Remove libosmo-legacy-mgcp and osmo-bsc-mgcp

They are only used by openbsc.git programs and belong there.

Change-Id: Id31bef052d3f9b8aada1824d6f7f995ebd39bbfd
This commit is contained in:
Pau Espin 2018-08-17 18:15:21 +02:00
parent a729db62a9
commit 31b4729f27
41 changed files with 0 additions and 10780 deletions

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@ -18,7 +18,6 @@ SUBDIRS = \
pkgconfigdir = $(libdir)/pkgconfig pkgconfigdir = $(libdir)/pkgconfig
pkgconfig_DATA = \ pkgconfig_DATA = \
libosmo-legacy-mgcp.pc \
libosmo-mgcp-client.pc \ libosmo-mgcp-client.pc \
$(NULL) $(NULL)

4
README
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@ -19,10 +19,6 @@ OsmoBSC, and receives and sends RTP streams as configured via MGCP.
The libosmo-mgcp-client library exposes utilities used by e.g. OsmoMSC (found The libosmo-mgcp-client library exposes utilities used by e.g. OsmoMSC (found
in osmo-msc.git) to instruct OsmoMGW via its MGCP service. in osmo-msc.git) to instruct OsmoMGW via its MGCP service.
The libosmo-mgcp library exposes MGCP server utilities used by e.g. OsmoBSC-NAT
(found in osmo-bsc.git) to navigate RTP streams through a NAT.
(At time of writing, this is still called libosmo-legacy-mgcp.)
Find OsmoMGW issue tracker and wiki online at Find OsmoMGW issue tracker and wiki online at
https://osmocom.org/projects/osmo-mgw https://osmocom.org/projects/osmo-mgw
https://osmocom.org/projects/osmo-mgw/wiki https://osmocom.org/projects/osmo-mgw/wiki

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@ -74,29 +74,6 @@ then
CPPFLAGS="$CPPFLAGS $WERROR_FLAGS" CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
fi fi
# Enable/disable transcoding within osmo-bsc_mgcp?
AC_ARG_ENABLE([mgcp-transcoding], [AS_HELP_STRING([--enable-mgcp-transcoding], [Build the MGCP gateway with internal transcoding enabled.])],
[osmo_ac_mgcp_transcoding="$enableval"],[osmo_ac_mgcp_transcoding="no"])
AC_ARG_WITH([g729], [AS_HELP_STRING([--with-g729], [Enable G.729 encoding/decoding.])], [osmo_ac_with_g729="$withval"],[osmo_ac_with_g729="no"])
if test "$osmo_ac_mgcp_transcoding" = "yes" ; then
AC_CHECK_HEADERS([gsm.h gsm/gsm.h], [osmo_ac_found_gsm_headers=yes])
if test "$osmo_ac_found_gsm_headers" != "yes" ; then
AC_MSG_ERROR([Unable to find the libgsm headers])
fi
AC_SUBST(HAVE_GSM_H)
AC_SUBST(HAVE_GSM_GSM_H)
AC_SEARCH_LIBS([gsm_create], [gsm], [LIBRARY_GSM="$LIBS";LIBS=""], [AC_MSG_ERROR([--enable-mgcp-transcoding: cannot find usable libgsm])])
AC_SUBST(LIBRARY_GSM)
if test "$osmo_ac_with_g729" = "yes" ; then
PKG_CHECK_MODULES(LIBBCG729, libbcg729 >= 0.1, [AC_DEFINE([HAVE_BCG729], [1], [Use bgc729 decoder/encoder])])
fi
AC_DEFINE(BUILD_MGCP_TRANSCODING, 1, [Define if we want to build the MGCP gateway with transcoding support])
fi
AM_CONDITIONAL(BUILD_MGCP_TRANSCODING, test "x$osmo_ac_mgcp_transcoding" = "xyes")
AC_SUBST(osmo_ac_mgcp_transcoding)
dnl Checks for typedefs, structures and compiler characteristics dnl Checks for typedefs, structures and compiler characteristics
# The following test is taken from WebKit's webkit.m4 # The following test is taken from WebKit's webkit.m4
@ -158,22 +135,17 @@ dnl Generate the output
AM_CONFIG_HEADER(bscconfig.h) AM_CONFIG_HEADER(bscconfig.h)
AC_OUTPUT( AC_OUTPUT(
libosmo-legacy-mgcp.pc
libosmo-mgcp-client.pc libosmo-mgcp-client.pc
include/Makefile include/Makefile
include/osmocom/Makefile include/osmocom/Makefile
include/osmocom/legacy_mgcp/Makefile
include/osmocom/mgcp_client/Makefile include/osmocom/mgcp_client/Makefile
include/osmocom/mgcp/Makefile include/osmocom/mgcp/Makefile
src/Makefile src/Makefile
src/libosmo-legacy-mgcp/Makefile
src/libosmo-mgcp-client/Makefile src/libosmo-mgcp-client/Makefile
src/libosmo-mgcp/Makefile src/libosmo-mgcp/Makefile
src/osmo-bsc_mgcp/Makefile
src/osmo-mgw/Makefile src/osmo-mgw/Makefile
tests/Makefile tests/Makefile
tests/atlocal tests/atlocal
tests/legacy_mgcp/Makefile
tests/mgcp_client/Makefile tests/mgcp_client/Makefile
tests/mgcp/Makefile tests/mgcp/Makefile
doc/Makefile doc/Makefile

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@ -1,11 +0,0 @@
[Unit]
Description=OpenBSC MGCP
[Service]
Type=simple
Restart=always
ExecStart=/usr/bin/osmo-bsc_mgcp -s -c /etc/osmocom/osmo-bsc-mgcp.cfg
RestartSec=2
[Install]
WantedBy=multi-user.target

21
debian/control vendored
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@ -33,24 +33,3 @@ Architecture: any
Multi-Arch: same Multi-Arch: same
Depends: libosmo-mgcp-client3 (= ${binary:Version}), ${misc:Depends} Depends: libosmo-mgcp-client3 (= ${binary:Version}), ${misc:Depends}
Description: libosmo-mgcp-client: Osmocom's Media Gateway Control Protocol client utilities Description: libosmo-mgcp-client: Osmocom's Media Gateway Control Protocol client utilities
Package: osmo-bsc-mgcp
Architecture: any
Multi-Arch: foreign
Depends: libosmo-legacy-mgcp0, ${misc:Depends}, ${shlibs:Depends}
Description: OsmoBSC-MGCP: Osmocom's Legacy Media Gateway; use osmo-mgw instead.
Package: libosmo-legacy-mgcp0
Section: libs
Architecture: any
Multi-Arch: same
Pre-Depends: ${misc:Pre-Depends}
Depends: ${misc:Depends}, ${shlibs:Depends}
Description: libosmo-legacy-mgcp: Osmocom's Legacy Media Gateway server library; use libosmo-mgcp instead.
Package: libosmo-legacy-mgcp-dev
Section: libdevel
Architecture: any
Multi-Arch: same
Depends: libosmo-legacy-mgcp0 (= ${binary:Version}), ${misc:Depends}
Description: libosmo-legacy-mgcp: Osmocom's Legacy Media Gateway server library; use libosmo-mgcp instead.

36
debian/copyright vendored
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@ -40,30 +40,6 @@ License: GPL-2.0+
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. along with this program. If not, see <http://www.gnu.org/licenses/>.
Files: src/libosmo-legacy-mgcp/g711common.h
Copyright: 2000 Abramo Bagnara <abramo@alsa-project.org>
License: GPL-2.0+
Wrapper for linphone Codec class by Simon Morlat <simon.morlat@linphone.org>
.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
.
The FSF address in the above text is the old one.
.
On Debian systems, the complete text of the GNU General Public License
Version 2 can be found in `/usr/share/common-licenses/GPL-2'.
Files: tests/vty_test_runner.py Files: tests/vty_test_runner.py
Copyright: 2013 Holger Hans Peter Freyther Copyright: 2013 Holger Hans Peter Freyther
2013 Katerina Barone-Adesi <kat.obsc@gmail.com> 2013 Katerina Barone-Adesi <kat.obsc@gmail.com>
@ -87,15 +63,3 @@ License: GPL-3.0+
Files: osmoappdesc.py Files: osmoappdesc.py
Copyright: 2013 Katerina Barone-Adesi <kat.obsc@gmail.com> Copyright: 2013 Katerina Barone-Adesi <kat.obsc@gmail.com>
License: GPL-3.0+ License: GPL-3.0+
Files: src/libosmo-legacy-mgcp/mgcp_osmux.c
Copyright: 2012-2013 On Waves ehf <http://www.on-waves.com>
2012-2013 Pablo Neira Ayuso <pablo@gnumonks.org>
License: AGPL-3.0+
All rights not specifically granted under this license are reserved.
.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

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@ -1,4 +0,0 @@
usr/include/osmocom/legacy_mgcp
usr/lib/*/libosmo-legacy-mgcp.so
usr/lib/*/libosmo-legacy-mgcp.a
usr/lib/*/pkgconfig/libosmo-legacy-mgcp.pc

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@ -1 +0,0 @@
usr/lib/*/libosmo-legacy-mgcp.so.*

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@ -1,2 +0,0 @@
usr/bin/osmo-bsc_mgcp
usr/share/doc/osmo-mgw/examples/osmo-bsc_mgcp/mgcp.cfg

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@ -1,14 +0,0 @@
!
! MGCP configuration example
!
mgcp
!local ip 10.23.24.2
!bts ip 10.24.24.1
!bind ip 10.23.24.1
bind port 2427
rtp base 4000
rtp force-ptime 20
sdp audio payload number 98
sdp audio payload name AMR/8000
number endpoints 31
no rtcp-omit

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@ -3,9 +3,6 @@ SUBDIRS = \
$(NULL) $(NULL)
nobase_include_HEADERS = \ nobase_include_HEADERS = \
osmocom/legacy_mgcp/mgcp.h \
osmocom/legacy_mgcp/mgcp_internal.h \
osmocom/legacy_mgcp/osmux.h \
osmocom/mgcp_client/mgcp_client.h \ osmocom/mgcp_client/mgcp_client.h \
osmocom/mgcp_client/mgcp_client_fsm.h \ osmocom/mgcp_client/mgcp_client_fsm.h \
osmocom/mgcp_client/mgcp_common.h \ osmocom/mgcp_client/mgcp_common.h \

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@ -1,5 +1,4 @@
SUBDIRS = \ SUBDIRS = \
legacy_mgcp \
mgcp_client \ mgcp_client \
mgcp \ mgcp \
$(NULL) $(NULL)

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@ -1,4 +0,0 @@
noinst_HEADERS = \
mgcp_transcode.h \
vty.h \
$(NULL)

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@ -1,298 +0,0 @@
/* A Media Gateway Control Protocol Media Gateway: RFC 3435 */
/*
* (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2012 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENBSC_MGCP_H
#define OPENBSC_MGCP_H
#include <osmocom/core/msgb.h>
#include <osmocom/core/write_queue.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/logging.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define RTP_PORT_DEFAULT 4000
#define RTP_PORT_NET_DEFAULT 16000
/**
* Calculate the RTP audio port for the given multiplex
* and the direction. This allows a semi static endpoint
* to port calculation removing the need for the BSC
* and the MediaGateway to communicate.
*
* Port usage explained:
* base + (multiplex * 2) + 0 == local port to wait for network packets
* base + (multiplex * 2) + 1 == local port for rtcp
*
* The above port will receive packets from the BTS that need
* to be patched and forwarded to the network.
* The above port will receive packets from the network that
* need to be patched and forwarded to the BTS.
*
* We assume to have a static BTS IP address so we can differentiate
* network and BTS.
*
*/
static inline int rtp_calculate_port(int multiplex, int base)
{
return base + (multiplex * 2);
}
/*
* Handling of MGCP Endpoints and the MGCP Config
*/
struct mgcp_endpoint;
struct mgcp_config;
struct mgcp_trunk_config;
struct mgcp_rtp_end;
#define MGCP_ENDP_CRCX 1
#define MGCP_ENDP_DLCX 2
#define MGCP_ENDP_MDCX 3
/*
* what to do with the msg?
* - continue as usual?
* - reject and send a failure code?
* - defer? do not send anything
*/
#define MGCP_POLICY_CONT 4
#define MGCP_POLICY_REJECT 5
#define MGCP_POLICY_DEFER 6
typedef int (*mgcp_realloc)(struct mgcp_trunk_config *cfg, int endpoint);
typedef int (*mgcp_change)(struct mgcp_trunk_config *cfg, int endpoint, int state);
typedef int (*mgcp_policy)(struct mgcp_trunk_config *cfg, int endpoint, int state, const char *transactio_id);
typedef int (*mgcp_reset)(struct mgcp_trunk_config *cfg);
typedef int (*mgcp_rqnt)(struct mgcp_endpoint *endp, char tone);
/**
* Return:
* < 0 in case no audio was processed
* >= 0 in case audio was processed. The remaining payload
* length will be returned.
*/
typedef int (*mgcp_processing)(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
char *data, int *len, int buf_size);
typedef int (*mgcp_processing_setup)(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct mgcp_rtp_end *src_end);
typedef void (*mgcp_get_format)(struct mgcp_endpoint *endp,
int *payload_type,
const char**subtype_name,
const char**fmtp_extra);
#define PORT_ALLOC_STATIC 0
#define PORT_ALLOC_DYNAMIC 1
/**
* This holds information on how to allocate ports
*/
struct mgcp_port_range {
int mode;
/* addr or NULL to fall-back to default */
char *bind_addr;
/* pre-allocated from a base? */
int base_port;
/* dynamically allocated */
int range_start;
int range_end;
int last_port;
};
#define MGCP_KEEPALIVE_ONCE (-1)
struct mgcp_trunk_config {
struct llist_head entry;
struct mgcp_config *cfg;
int trunk_nr;
int trunk_type;
char *audio_fmtp_extra;
char *audio_name;
int audio_payload;
int audio_send_ptime;
int audio_send_name;
int audio_loop;
int no_audio_transcoding;
int omit_rtcp;
int keepalive_interval;
/* RTP patching */
int force_constant_ssrc; /* 0: don't, 1: once */
int force_aligned_timing;
/* spec handling */
int force_realloc;
/* timer */
struct osmo_timer_list keepalive_timer;
unsigned int number_endpoints;
struct mgcp_endpoint *endpoints;
};
enum mgcp_role {
MGCP_BSC = 0,
MGCP_BSC_NAT,
};
enum mgcp_connection_mode {
MGCP_CONN_NONE = 0,
MGCP_CONN_RECV_ONLY = 1,
MGCP_CONN_SEND_ONLY = 2,
MGCP_CONN_RECV_SEND = MGCP_CONN_RECV_ONLY | MGCP_CONN_SEND_ONLY,
MGCP_CONN_LOOPBACK = 4 | MGCP_CONN_RECV_SEND,
};
struct mgcp_config {
int source_port;
char *local_ip;
char *source_addr;
char *bts_ip;
char *call_agent_addr;
struct in_addr bts_in;
/* transcoder handling */
char *transcoder_ip;
struct in_addr transcoder_in;
int transcoder_remote_base;
/* RTP processing */
mgcp_processing rtp_processing_cb;
mgcp_processing_setup setup_rtp_processing_cb;
mgcp_get_format get_net_downlink_format_cb;
struct osmo_wqueue gw_fd;
struct mgcp_port_range bts_ports;
struct mgcp_port_range net_ports;
struct mgcp_port_range transcoder_ports;
int endp_dscp;
int bts_force_ptime;
mgcp_change change_cb;
mgcp_policy policy_cb;
mgcp_reset reset_cb;
mgcp_realloc realloc_cb;
mgcp_rqnt rqnt_cb;
void *data;
uint32_t last_call_id;
/* trunk handling */
struct mgcp_trunk_config trunk;
struct llist_head trunks;
/* only used for start with a static configuration */
int last_net_port;
int last_bts_port;
enum mgcp_role role;
/* osmux translator: 0 means disabled, 1 means enabled */
int osmux;
/* addr to bind the server to */
char *osmux_addr;
/* The BSC-NAT may ask for enabling osmux on demand. This tells us if
* the osmux socket is already initialized.
*/
int osmux_init;
/* osmux batch factor: from 1 to 4 maximum */
int osmux_batch;
/* osmux batch size (in bytes) */
int osmux_batch_size;
/* osmux port */
uint16_t osmux_port;
/* Pad circuit with dummy messages until we see the first voice
* message.
*/
uint16_t osmux_dummy;
/* Use a jitterbuffer on the bts-side receiver */
bool bts_use_jibuf;
/* Minimum and maximum buffer size for the jitter buffer, in ms */
uint32_t bts_jitter_delay_min;
uint32_t bts_jitter_delay_max;
};
/* config management */
struct mgcp_config *mgcp_config_alloc(void);
int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg,
enum mgcp_role role);
int mgcp_vty_init(void);
int mgcp_endpoints_allocate(struct mgcp_trunk_config *cfg);
void mgcp_release_endp(struct mgcp_endpoint *endp);
void mgcp_initialize_endp(struct mgcp_endpoint *endp);
int mgcp_reset_transcoder(struct mgcp_config *cfg);
void mgcp_format_stats(struct mgcp_endpoint *endp, char *stats, size_t size);
int mgcp_parse_stats(struct msgb *msg, uint32_t *ps, uint32_t *os, uint32_t *pr, uint32_t *_or, int *loss, uint32_t *jitter);
void mgcp_trunk_set_keepalive(struct mgcp_trunk_config *tcfg, int interval);
/*
* format helper functions
*/
struct msgb *mgcp_handle_message(struct mgcp_config *cfg, struct msgb *msg);
/* adc helper */
static inline int mgcp_timeslot_to_endpoint(int multiplex, int timeslot)
{
if (timeslot == 0) {
LOGP(DLMGCP, LOGL_ERROR, "Timeslot should not be 0\n");
timeslot = 255;
}
return timeslot + (32 * multiplex);
}
static inline void mgcp_endpoint_to_timeslot(int endpoint, int *multiplex, int *timeslot)
{
*multiplex = endpoint / 32;
*timeslot = endpoint % 32;
}
int mgcp_send_reset_ep(struct mgcp_endpoint *endp, int endpoint);
int mgcp_send_reset_all(struct mgcp_config *cfg);
int mgcp_create_bind(const char *source_addr, struct osmo_fd *fd, int port);
int mgcp_send(struct mgcp_endpoint *endp, int dest, int is_rtp, struct sockaddr_in *addr, char *buf, int rc);
int mgcp_udp_send(int fd, struct in_addr *addr, int port, char *buf, int len);
#endif

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@ -1,351 +0,0 @@
/* MGCP Private Data */
/*
* (C) 2009-2012 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2012 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <string.h>
#include <osmocom/core/select.h>
#include <osmocom/netif/jibuf.h>
#define CI_UNUSED 0
enum mgcp_trunk_type {
MGCP_TRUNK_VIRTUAL,
MGCP_TRUNK_E1,
};
struct mgcp_rtp_stream_state {
uint32_t ssrc;
uint16_t last_seq;
uint32_t last_timestamp;
uint32_t err_ts_counter;
int32_t last_tsdelta;
uint32_t last_arrival_time;
};
struct mgcp_rtp_state {
int initialized;
int patch_ssrc;
uint32_t orig_ssrc;
int seq_offset;
int32_t timestamp_offset;
uint32_t packet_duration;
struct mgcp_rtp_stream_state in_stream;
struct mgcp_rtp_stream_state out_stream;
/* jitter and packet loss calculation */
int stats_initialized;
uint16_t stats_base_seq;
uint16_t stats_max_seq;
uint32_t stats_ssrc;
uint32_t stats_jitter;
int32_t stats_transit;
int stats_cycles;
bool patched_first_rtp_payload; /* FIXME: drop this, see OS#2459 */
};
struct mgcp_rtp_codec {
uint32_t rate;
int channels;
uint32_t frame_duration_num;
uint32_t frame_duration_den;
int payload_type;
char *audio_name;
char *subtype_name;
};
struct mgcp_rtp_end {
/* statistics */
unsigned int packets;
unsigned int octets;
unsigned int dropped_packets;
struct in_addr addr;
/* in network byte order */
int rtp_port, rtcp_port;
/* audio codec information */
struct mgcp_rtp_codec codec;
struct mgcp_rtp_codec alt_codec; /* TODO/XXX: make it generic */
/* per endpoint data */
int frames_per_packet;
uint32_t packet_duration_ms;
char *fmtp_extra;
int output_enabled;
int force_output_ptime;
/* RTP patching */
int force_constant_ssrc; /* -1: always, 0: don't, 1: once */
int force_aligned_timing;
void *rtp_process_data;
/*
* Each end has a socket...
*/
struct osmo_fd rtp;
struct osmo_fd rtcp;
int local_port;
int local_alloc;
};
enum {
MGCP_TAP_BTS_IN,
MGCP_TAP_BTS_OUT,
MGCP_TAP_NET_IN,
MGCP_TAP_NET_OUT,
/* last element */
MGCP_TAP_COUNT
};
struct mgcp_rtp_tap {
int enabled;
struct sockaddr_in forward;
};
struct mgcp_lco {
char *string;
char *codec;
int pkt_period_min; /* time in ms */
int pkt_period_max; /* time in ms */
};
enum mgcp_type {
MGCP_RTP_DEFAULT = 0,
MGCP_RTP_TRANSCODED,
MGCP_OSMUX_BSC,
MGCP_OSMUX_BSC_NAT,
};
#include <osmocom/legacy_mgcp/osmux.h>
struct mgcp_endpoint {
int allocated;
uint32_t ci;
char *callid;
struct mgcp_lco local_options;
int conn_mode;
int orig_mode;
/* backpointer */
struct mgcp_config *cfg;
struct mgcp_trunk_config *tcfg;
/* port status for bts/net */
struct mgcp_rtp_end bts_end;
struct mgcp_rtp_end net_end;
/*
* For transcoding we will send from the local_port
* of trans_bts and it will arrive at trans_net from
* where we will forward it to the network.
*/
struct mgcp_rtp_end trans_bts;
struct mgcp_rtp_end trans_net;
enum mgcp_type type;
/* sequence bits */
struct mgcp_rtp_state net_state;
struct mgcp_rtp_state bts_state;
/* fields for re-transmission */
char *last_trans;
char *last_response;
/* tap for the endpoint */
struct mgcp_rtp_tap taps[MGCP_TAP_COUNT];
struct {
/* Osmux state: disabled, activating, active */
enum osmux_state state;
/* Allocated Osmux circuit ID for this endpoint */
int allocated_cid;
/* Used Osmux circuit ID for this endpoint */
uint8_t cid;
/* handle to batch messages */
struct osmux_in_handle *in;
/* handle to unbatch messages */
struct osmux_out_handle out;
/* statistics */
struct {
uint32_t chunks;
uint32_t octets;
} stats;
} osmux;
/* Jitter buffer */
struct osmo_jibuf* bts_jb;
/* Use a jitterbuffer on the bts-side receiver */
bool bts_use_jibuf;
/* Minimum and maximum buffer size for the jitter buffer, in ms */
uint32_t bts_jitter_delay_min;
uint32_t bts_jitter_delay_max;
};
#define for_each_line(line, save) \
for (line = strline_r(NULL, &save); line;\
line = strline_r(NULL, &save))
static inline char *strline_r(char *str, char **saveptr)
{
char *result;
if (str)
*saveptr = str;
result = *saveptr;
if (*saveptr != NULL) {
*saveptr = strpbrk(*saveptr, "\r\n");
if (*saveptr != NULL) {
char *eos = *saveptr;
if ((*saveptr)[0] == '\r' && (*saveptr)[1] == '\n')
(*saveptr)++;
(*saveptr)++;
if ((*saveptr)[0] == '\0')
*saveptr = NULL;
*eos = '\0';
}
}
return result;
}
#define ENDPOINT_NUMBER(endp) abs((int)(endp - endp->tcfg->endpoints))
/**
* Internal structure while parsing a request
*/
struct mgcp_parse_data {
struct mgcp_config *cfg;
struct mgcp_endpoint *endp;
char *trans;
char *save;
int found;
};
int mgcp_send_dummy(struct mgcp_endpoint *endp);
int mgcp_bind_bts_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
int mgcp_bind_net_rtp_port(struct mgcp_endpoint *endp, int rtp_port);
int mgcp_bind_trans_bts_rtp_port(struct mgcp_endpoint *enp, int rtp_port);
int mgcp_bind_trans_net_rtp_port(struct mgcp_endpoint *enp, int rtp_port);
int mgcp_free_rtp_port(struct mgcp_rtp_end *end);
/* For transcoding we need to manage an in and an output that are connected */
static inline int endp_back_channel(int endpoint)
{
return endpoint + 60;
}
struct mgcp_trunk_config *mgcp_trunk_alloc(struct mgcp_config *cfg, int index);
struct mgcp_trunk_config *mgcp_trunk_num(struct mgcp_config *cfg, int index);
void mgcp_rtp_end_config(struct mgcp_endpoint *endp, int expect_ssrc_change,
struct mgcp_rtp_end *rtp);
uint32_t mgcp_rtp_packet_duration(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *rtp);
void mgcp_state_calc_loss(struct mgcp_rtp_state *s, struct mgcp_rtp_end *,
uint32_t *expected, int *loss);
uint32_t mgcp_state_calc_jitter(struct mgcp_rtp_state *);
/* payload processing default functions */
int mgcp_rtp_processing_default(struct mgcp_endpoint *endp, struct mgcp_rtp_end *dst_end,
char *data, int *len, int buf_size);
int mgcp_setup_rtp_processing_default(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct mgcp_rtp_end *src_end);
void mgcp_get_net_downlink_format_default(struct mgcp_endpoint *endp,
int *payload_type,
const char**subtype_name,
const char**fmtp_extra);
/* internal RTP Annex A counting */
void mgcp_rtp_annex_count(struct mgcp_endpoint *endp, struct mgcp_rtp_state *state,
const uint16_t seq, const int32_t transit,
const uint32_t ssrc);
int mgcp_set_ip_tos(int fd, int tos);
enum {
MGCP_DEST_NET = 0,
MGCP_DEST_BTS,
};
#define MGCP_DUMMY_LOAD 0x23
/**
* SDP related information
*/
/* Assume audio frame length of 20ms */
#define DEFAULT_RTP_AUDIO_FRAME_DUR_NUM 20
#define DEFAULT_RTP_AUDIO_FRAME_DUR_DEN 1000
#define DEFAULT_RTP_AUDIO_PACKET_DURATION_MS 20
#define DEFAULT_RTP_AUDIO_DEFAULT_RATE 8000
#define DEFAULT_RTP_AUDIO_DEFAULT_CHANNELS 1
#define PTYPE_UNDEFINED (-1)
int mgcp_parse_sdp_data(struct mgcp_endpoint *endp, struct mgcp_rtp_end *rtp, struct mgcp_parse_data *p);
int mgcp_set_audio_info(void *ctx, struct mgcp_rtp_codec *codec,
int payload_type, const char *audio_name);
/**
* Internal network related
*/
static inline const char *mgcp_net_src_addr(struct mgcp_endpoint *endp)
{
if (endp->cfg->net_ports.bind_addr)
return endp->cfg->net_ports.bind_addr;
return endp->cfg->source_addr;
}
static inline const char *mgcp_bts_src_addr(struct mgcp_endpoint *endp)
{
if (endp->cfg->bts_ports.bind_addr)
return endp->cfg->bts_ports.bind_addr;
return endp->cfg->source_addr;
}
int mgcp_msg_terminate_nul(struct msgb *msg);
/**
* Internal jitter buffer related
*/
void mgcp_dejitter_udp_send(struct msgb *msg, void *data);

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@ -1,94 +0,0 @@
/*
* (C) 2014 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENBSC_MGCP_TRANSCODE_H
#define OPENBSC_MGCP_TRANSCODE_H
#include "bscconfig.h"
#if HAVE_GSM_H
#include <gsm.h>
#elif HAVE_GSM_GSM_H
#include <gsm/gsm.h>
#endif
#ifdef HAVE_BCG729
#include <bcg729/decoder.h>
#include <bcg729/encoder.h>
#endif
enum audio_format {
AF_INVALID,
AF_S16,
AF_L16,
AF_GSM,
AF_G729,
AF_PCMA,
AF_PCMU
};
struct mgcp_process_rtp_state {
/* decoding */
enum audio_format src_fmt;
union {
gsm gsm_handle;
#ifdef HAVE_BCG729
bcg729DecoderChannelContextStruct *g729_dec;
#endif
} src;
size_t src_frame_size;
size_t src_samples_per_frame;
/* processing */
/* encoding */
enum audio_format dst_fmt;
union {
gsm gsm_handle;
#ifdef HAVE_BCG729
bcg729EncoderChannelContextStruct *g729_enc;
#endif
} dst;
size_t dst_frame_size;
size_t dst_samples_per_frame;
int dst_packet_duration;
int is_running;
uint16_t next_seq;
uint32_t next_time;
int16_t samples[10*160];
size_t sample_cnt;
size_t sample_offs;
};
int mgcp_transcoding_setup(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct mgcp_rtp_end *src_end);
void mgcp_transcoding_net_downlink_format(struct mgcp_endpoint *endp,
int *payload_type,
const char**audio_name,
const char**fmtp_extra);
int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
char *data, int *len, int buf_size);
int mgcp_transcoding_get_frame_size(void *state_, int nsamples, int dst);
#endif /* OPENBSC_MGCP_TRANSCODE_H */

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@ -1,41 +0,0 @@
#ifndef _OPENBSC_OSMUX_H_
#define _OPENBSC_OSMUX_H_
#include <osmocom/netif/osmux.h>
#define OSMUX_PORT 1984
enum {
OSMUX_ROLE_BSC = 0,
OSMUX_ROLE_BSC_NAT,
};
int osmux_init(int role, struct mgcp_config *cfg);
int osmux_enable_endpoint(struct mgcp_endpoint *endp, struct in_addr *addr, uint16_t port);
void osmux_disable_endpoint(struct mgcp_endpoint *endp);
void osmux_allocate_cid(struct mgcp_endpoint *endp);
void osmux_release_cid(struct mgcp_endpoint *endp);
int osmux_xfrm_to_rtp(struct mgcp_endpoint *endp, int type, char *buf, int rc);
int osmux_xfrm_to_osmux(int type, char *buf, int rc, struct mgcp_endpoint *endp);
int osmux_send_dummy(struct mgcp_endpoint *endp);
int osmux_get_cid(void);
void osmux_put_cid(uint8_t osmux_cid);
int osmux_used_cid(void);
enum osmux_state {
OSMUX_STATE_DISABLED = 0,
OSMUX_STATE_NEGOTIATING,
OSMUX_STATE_ACTIVATING,
OSMUX_STATE_ENABLED,
};
enum osmux_usage {
OSMUX_USAGE_OFF = 0,
OSMUX_USAGE_ON = 1,
OSMUX_USAGE_ONLY = 2,
};
#endif

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@ -1,8 +0,0 @@
#pragma once
#include <osmocom/vty/command.h>
enum mgcp_vty_node {
MGCP_NODE = _LAST_OSMOVTY_NODE + 1,
TRUNK_NODE,
};

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@ -1,10 +0,0 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
Name: Osmocom legacy Media Gateway Control Protocol library
Description: C Utility Library
Version: @VERSION@
Libs: -L${libdir} -losmo-legacy-mgcp
Cflags: -I${includedir}/

View File

@ -17,11 +17,9 @@
app_configs = { app_configs = {
"osmo-mgw": ["doc/examples/osmo-mgw/osmo-mgw.cfg"], "osmo-mgw": ["doc/examples/osmo-mgw/osmo-mgw.cfg"],
"osmo-bsc_mgcp": ["doc/examples/osmo-bsc_mgcp/mgcp.cfg"],
} }
apps = [(4243, "src/osmo-mgw/osmo-mgw", "OsmoMGW", "osmo-mgw"), apps = [(4243, "src/osmo-mgw/osmo-mgw", "OsmoMGW", "osmo-mgw"),
(4243, "src/osmo-bsc_mgcp/osmo-bsc_mgcp", "OpenBSC MGCP", "osmo-bsc_mgcp"),
] ]
vty_command = ["./src/osmo-mgw/osmo-mgw", "-c", vty_command = ["./src/osmo-mgw/osmo-mgw", "-c",

View File

@ -21,13 +21,11 @@ AM_LDFLAGS = \
# Libraries # Libraries
SUBDIRS = \ SUBDIRS = \
libosmo-legacy-mgcp \
libosmo-mgcp-client \ libosmo-mgcp-client \
libosmo-mgcp \ libosmo-mgcp \
$(NULL) $(NULL)
# Programs # Programs
SUBDIRS += \ SUBDIRS += \
osmo-bsc_mgcp \
osmo-mgw \ osmo-mgw \
$(NULL) $(NULL)

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@ -1,51 +0,0 @@
AM_CPPFLAGS = \
$(all_includes) \
-I$(top_srcdir)/include \
-I$(top_builddir) \
$(NULL)
AM_CFLAGS = \
-Wall \
$(LIBOSMOCORE_CFLAGS) \
$(LIBOSMOVTY_CFLAGS) \
$(LIBOSMONETIF_CFLAGS) \
$(COVERAGE_CFLAGS) \
$(LIBBCG729_CFLAGS) \
$(NULL)
AM_LDFLAGS = \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOVTY_LIBS) \
$(LIBOSMONETIF_LIBS) \
$(COVERAGE_LDFLAGS) \
$(LIBBCG729_LIBS) \
$(LIBRARY_GSM) \
$(NULL)
# This is not at all related to the release version, but a range of supported
# API versions. Read TODO_RELEASE in the source tree's root!
LEGACY_MGCP_LIBVERSION=1:0:1
lib_LTLIBRARIES = \
libosmo-legacy-mgcp.la \
$(NULL)
noinst_HEADERS = \
g711common.h \
$(NULL)
libosmo_legacy_mgcp_la_SOURCES = \
mgcp_common.c \
mgcp_protocol.c \
mgcp_network.c \
mgcp_vty.c \
mgcp_osmux.c \
mgcp_sdp.c \
$(NULL)
if BUILD_MGCP_TRANSCODING
libosmo_legacy_mgcp_la_SOURCES += \
mgcp_transcode.c \
$(NULL)
endif
libosmo_legacy_mgcp_la_LDFLAGS = $(AM_LDFLAGS) -version-info $(LEGACY_MGCP_LIBVERSION)

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@ -1,187 +0,0 @@
/*
* PCM - A-Law conversion
* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
*
* Wrapper for linphone Codec class by Simon Morlat <simon.morlat@linphone.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
static inline int val_seg(int val)
{
int r = 0;
val >>= 7; /*7 = 4 + 3*/
if (val & 0xf0) {
val >>= 4;
r += 4;
}
if (val & 0x0c) {
val >>= 2;
r += 2;
}
if (val & 0x02)
r += 1;
return r;
}
/*
* s16_to_alaw() - Convert a 16-bit linear PCM value to 8-bit A-law
*
* s16_to_alaw() accepts an 16-bit integer and encodes it as A-law data.
*
* Linear Input Code Compressed Code
* ------------------------ ---------------
* 0000000wxyza 000wxyz
* 0000001wxyza 001wxyz
* 000001wxyzab 010wxyz
* 00001wxyzabc 011wxyz
* 0001wxyzabcd 100wxyz
* 001wxyzabcde 101wxyz
* 01wxyzabcdef 110wxyz
* 1wxyzabcdefg 111wxyz
*
* For further information see John C. Bellamy's Digital Telephony, 1982,
* John Wiley & Sons, pps 98-111 and 472-476.
* G711 is designed for 13 bits input signal, this function add extra shifting to take this into account.
*/
static inline unsigned char s16_to_alaw(int pcm_val)
{
int mask;
int seg;
unsigned char aval;
if (pcm_val >= 0) {
mask = 0xD5;
} else {
mask = 0x55;
pcm_val = -pcm_val;
if (pcm_val > 0x7fff)
pcm_val = 0x7fff;
}
if (pcm_val < 256) /*256 = 32 << 3*/
aval = pcm_val >> 4; /*4 = 1 + 3*/
else {
/* Convert the scaled magnitude to segment number. */
seg = val_seg(pcm_val);
aval = (seg << 4) | ((pcm_val >> (seg + 3)) & 0x0f);
}
return aval ^ mask;
}
/*
* alaw_to_s16() - Convert an A-law value to 16-bit linear PCM
*
*/
static inline int alaw_to_s16(unsigned char a_val)
{
int t;
int seg;
a_val ^= 0x55;
t = a_val & 0x7f;
if (t < 16)
t = (t << 4) + 8;
else {
seg = (t >> 4) & 0x07;
t = ((t & 0x0f) << 4) + 0x108;
t <<= seg -1;
}
return ((a_val & 0x80) ? t : -t);
}
/*
* s16_to_ulaw() - Convert a linear PCM value to u-law
*
* In order to simplify the encoding process, the original linear magnitude
* is biased by adding 33 which shifts the encoding range from (0 - 8158) to
* (33 - 8191). The result can be seen in the following encoding table:
*
* Biased Linear Input Code Compressed Code
* ------------------------ ---------------
* 00000001wxyza 000wxyz
* 0000001wxyzab 001wxyz
* 000001wxyzabc 010wxyz
* 00001wxyzabcd 011wxyz
* 0001wxyzabcde 100wxyz
* 001wxyzabcdef 101wxyz
* 01wxyzabcdefg 110wxyz
* 1wxyzabcdefgh 111wxyz
*
* Each biased linear code has a leading 1 which identifies the segment
* number. The value of the segment number is equal to 7 minus the number
* of leading 0's. The quantization interval is directly available as the
* four bits wxyz. * The trailing bits (a - h) are ignored.
*
* Ordinarily the complement of the resulting code word is used for
* transmission, and so the code word is complemented before it is returned.
*
* For further information see John C. Bellamy's Digital Telephony, 1982,
* John Wiley & Sons, pps 98-111 and 472-476.
*/
static inline unsigned char s16_to_ulaw(int pcm_val) /* 2's complement (16-bit range) */
{
int mask;
int seg;
unsigned char uval;
if (pcm_val < 0) {
pcm_val = 0x84 - pcm_val;
mask = 0x7f;
} else {
pcm_val += 0x84;
mask = 0xff;
}
if (pcm_val > 0x7fff)
pcm_val = 0x7fff;
/* Convert the scaled magnitude to segment number. */
seg = val_seg(pcm_val);
/*
* Combine the sign, segment, quantization bits;
* and complement the code word.
*/
uval = (seg << 4) | ((pcm_val >> (seg + 3)) & 0x0f);
return uval ^ mask;
}
/*
* ulaw_to_s16() - Convert a u-law value to 16-bit linear PCM
*
* First, a biased linear code is derived from the code word. An unbiased
* output can then be obtained by subtracting 33 from the biased code.
*
* Note that this function expects to be passed the complement of the
* original code word. This is in keeping with ISDN conventions.
*/
static inline int ulaw_to_s16(unsigned char u_val)
{
int t;
/* Complement to obtain normal u-law value. */
u_val = ~u_val;
/*
* Extract and bias the quantization bits. Then
* shift up by the segment number and subtract out the bias.
*/
t = ((u_val & 0x0f) << 3) + 0x84;
t <<= (u_val & 0x70) >> 4;
return ((u_val & 0x80) ? (0x84 - t) : (t - 0x84));
}

View File

@ -1,54 +0,0 @@
/* Media Gateway Control Protocol Media Gateway: RFC 3435 */
/* Implementations useful both for the MGCP GW as well as MGCP GW clients */
/*
* (C) 2016 by sysmocom s.m.f.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <errno.h>
#include <osmocom/core/utils.h>
#include <osmocom/legacy_mgcp/mgcp.h>
const struct value_string mgcp_connection_mode_strs[] = {
{ MGCP_CONN_NONE, "none" },
{ MGCP_CONN_RECV_SEND, "sendrecv" },
{ MGCP_CONN_SEND_ONLY, "sendonly" },
{ MGCP_CONN_RECV_ONLY, "recvonly" },
{ MGCP_CONN_LOOPBACK, "loopback" },
{ 0, NULL }
};
/* Ensure that the msg->l2h is NUL terminated. */
int mgcp_msg_terminate_nul(struct msgb *msg)
{
unsigned char *tail = msg->l2h + msgb_l2len(msg); /* char after l2 data */
if (tail[-1] == '\0')
/* nothing to do */;
else if (msgb_tailroom(msg) > 0)
tail[0] = '\0';
else if (tail[-1] == '\r' || tail[-1] == '\n')
tail[-1] = '\0';
else {
LOGP(DLMGCP, LOGL_ERROR, "Cannot NUL terminate MGCP message: "
"Length: %d, Buffer size: %d\n",
msgb_l2len(msg), msg->data_len);
return -ENOTSUP;
}
return 0;
}

File diff suppressed because it is too large Load Diff

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@ -1,588 +0,0 @@
/*
* (C) 2012-2013 by Pablo Neira Ayuso <pablo@gnumonks.org>
* (C) 2012-2013 by On Waves ehf <http://www.on-waves.com>
* All rights not specifically granted under this license are reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by the
* Free Software Foundation; either version 3 of the License, or (at your
* option) any later version.
*/
#include <stdio.h> /* for printf */
#include <string.h> /* for memcpy */
#include <stdlib.h> /* for abs */
#include <inttypes.h> /* for PRIu64 */
#include <netinet/in.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/netif/osmux.h>
#include <osmocom/netif/rtp.h>
#include <osmocom/legacy_mgcp/mgcp.h>
#include <osmocom/legacy_mgcp/mgcp_internal.h>
#include <osmocom/legacy_mgcp/osmux.h>
static struct osmo_fd osmux_fd;
static LLIST_HEAD(osmux_handle_list);
struct osmux_handle {
struct llist_head head;
struct osmux_in_handle *in;
struct in_addr rem_addr;
int rem_port;
int refcnt;
};
static void *osmux;
static void osmux_deliver(struct msgb *batch_msg, void *data)
{
struct osmux_handle *handle = data;
struct sockaddr_in out = {
.sin_family = AF_INET,
.sin_port = handle->rem_port,
};
memcpy(&out.sin_addr, &handle->rem_addr, sizeof(handle->rem_addr));
sendto(osmux_fd.fd, batch_msg->data, batch_msg->len, 0,
(struct sockaddr *)&out, sizeof(out));
msgb_free(batch_msg);
}
static struct osmux_handle *
osmux_handle_find_get(struct in_addr *addr, int rem_port)
{
struct osmux_handle *h;
/* Lookup for existing OSMUX handle for this destination address. */
llist_for_each_entry(h, &osmux_handle_list, head) {
if (memcmp(&h->rem_addr, addr, sizeof(struct in_addr)) == 0 &&
h->rem_port == rem_port) {
LOGP(DLMGCP, LOGL_DEBUG, "using existing OSMUX handle "
"for addr=%s:%d\n",
inet_ntoa(*addr), ntohs(rem_port));
h->refcnt++;
return h;
}
}
return NULL;
}
static void osmux_handle_put(struct osmux_in_handle *in)
{
struct osmux_handle *h;
/* Lookup for existing OSMUX handle for this destination address. */
llist_for_each_entry(h, &osmux_handle_list, head) {
if (h->in == in) {
if (--h->refcnt == 0) {
LOGP(DLMGCP, LOGL_INFO,
"Releasing unused osmux handle for %s:%d\n",
inet_ntoa(h->rem_addr),
ntohs(h->rem_port));
LOGP(DLMGCP, LOGL_INFO, "Stats: "
"input RTP msgs: %u bytes: %"PRIu64" "
"output osmux msgs: %u bytes: %"PRIu64"\n",
in->stats.input_rtp_msgs,
in->stats.input_rtp_bytes,
in->stats.output_osmux_msgs,
in->stats.output_osmux_bytes);
llist_del(&h->head);
osmux_xfrm_input_fini(h->in);
talloc_free(h);
}
return;
}
}
LOGP(DLMGCP, LOGL_ERROR, "cannot find Osmux input handle %p\n", in);
}
static struct osmux_handle *
osmux_handle_alloc(struct mgcp_config *cfg, struct in_addr *addr, int rem_port)
{
struct osmux_handle *h;
h = talloc_zero(osmux, struct osmux_handle);
if (!h)
return NULL;
h->rem_addr = *addr;
h->rem_port = rem_port;
h->refcnt++;
h->in = talloc_zero(h, struct osmux_in_handle);
if (!h->in) {
talloc_free(h);
return NULL;
}
h->in->osmux_seq = 0; /* sequence number to start OSmux message from */
h->in->batch_factor = cfg->osmux_batch;
/* If batch size is zero, the library defaults to 1470 bytes. */
h->in->batch_size = cfg->osmux_batch_size;
h->in->deliver = osmux_deliver;
osmux_xfrm_input_init(h->in);
h->in->data = h;
llist_add(&h->head, &osmux_handle_list);
LOGP(DLMGCP, LOGL_DEBUG, "created new OSMUX handle for addr=%s:%d\n",
inet_ntoa(*addr), ntohs(rem_port));
return h;
}
static struct osmux_in_handle *
osmux_handle_lookup(struct mgcp_config *cfg, struct in_addr *addr, int rem_port)
{
struct osmux_handle *h;
h = osmux_handle_find_get(addr, rem_port);
if (h != NULL)
return h->in;
h = osmux_handle_alloc(cfg, addr, rem_port);
if (h == NULL)
return NULL;
return h->in;
}
int osmux_xfrm_to_osmux(int type, char *buf, int rc, struct mgcp_endpoint *endp)
{
int ret;
struct msgb *msg;
msg = msgb_alloc(4096, "RTP");
if (!msg)
return 0;
memcpy(msg->data, buf, rc);
msgb_put(msg, rc);
while ((ret = osmux_xfrm_input(endp->osmux.in, msg, endp->osmux.cid)) > 0) {
/* batch full, build and deliver it */
osmux_xfrm_input_deliver(endp->osmux.in);
}
return 0;
}
static struct mgcp_endpoint *
endpoint_lookup(struct mgcp_config *cfg, int cid,
struct in_addr *from_addr, int type)
{
struct mgcp_endpoint *tmp = NULL;
int i;
/* Lookup for the endpoint that corresponds to this port */
for (i=0; i<cfg->trunk.number_endpoints; i++) {
struct in_addr *this;
tmp = &cfg->trunk.endpoints[i];
if (!tmp->allocated)
continue;
switch(type) {
case MGCP_DEST_NET:
this = &tmp->net_end.addr;
break;
case MGCP_DEST_BTS:
this = &tmp->bts_end.addr;
break;
default:
/* Should not ever happen */
LOGP(DLMGCP, LOGL_ERROR, "Bad type %d. Fix your code.\n", type);
return NULL;
}
if (tmp->osmux.cid == cid && this->s_addr == from_addr->s_addr)
return tmp;
}
LOGP(DLMGCP, LOGL_ERROR, "Cannot find endpoint with cid=%d\n", cid);
return NULL;
}
static void scheduled_tx_net_cb(struct msgb *msg, void *data)
{
struct mgcp_endpoint *endp = data;
struct sockaddr_in addr = {
.sin_addr = endp->net_end.addr,
.sin_port = endp->net_end.rtp_port,
};
endp->bts_end.octets += msg->len;
endp->bts_end.packets++;
mgcp_send(endp, MGCP_DEST_NET, 1, &addr, (char *)msg->data, msg->len);
msgb_free(msg);
}
static void scheduled_tx_bts_cb(struct msgb *msg, void *data)
{
struct mgcp_endpoint *endp = data;
struct sockaddr_in addr = {
.sin_addr = endp->bts_end.addr,
.sin_port = endp->bts_end.rtp_port,
};
endp->net_end.octets += msg->len;
endp->net_end.packets++;
mgcp_send(endp, MGCP_DEST_BTS, 1, &addr, (char *)msg->data, msg->len);
msgb_free(msg);
}
static struct msgb *osmux_recv(struct osmo_fd *ofd, struct sockaddr_in *addr)
{
struct msgb *msg;
socklen_t slen = sizeof(*addr);
int ret;
msg = msgb_alloc(4096, "OSMUX");
if (!msg) {
LOGP(DLMGCP, LOGL_ERROR, "cannot allocate message\n");
return NULL;
}
ret = recvfrom(ofd->fd, msg->data, msg->data_len, 0,
(struct sockaddr *)addr, &slen);
if (ret <= 0) {
msgb_free(msg);
LOGP(DLMGCP, LOGL_ERROR, "cannot receive message\n");
return NULL;
}
msgb_put(msg, ret);
return msg;
}
#define osmux_chunk_length(msg, rem) (rem - msg->len);
int osmux_read_from_bsc_nat_cb(struct osmo_fd *ofd, unsigned int what)
{
struct msgb *msg;
struct osmux_hdr *osmuxh;
struct sockaddr_in addr;
struct mgcp_config *cfg = ofd->data;
uint32_t rem;
msg = osmux_recv(ofd, &addr);
if (!msg)
return -1;
/* not any further processing dummy messages */
if (msg->data[0] == MGCP_DUMMY_LOAD)
goto out;
rem = msg->len;
while((osmuxh = osmux_xfrm_output_pull(msg)) != NULL) {
struct mgcp_endpoint *endp;
/* Yes, we use MGCP_DEST_NET to locate the origin */
endp = endpoint_lookup(cfg, osmuxh->circuit_id,
&addr.sin_addr, MGCP_DEST_NET);
if (!endp) {
LOGP(DLMGCP, LOGL_ERROR,
"Cannot find an endpoint for circuit_id=%d\n",
osmuxh->circuit_id);
goto out;
}
endp->osmux.stats.octets += osmux_chunk_length(msg, rem);
endp->osmux.stats.chunks++;
rem = msg->len;
osmux_xfrm_output_sched(&endp->osmux.out, osmuxh);
}
out:
msgb_free(msg);
return 0;
}
/* This is called from the bsc-nat */
static int osmux_handle_dummy(struct mgcp_config *cfg, struct sockaddr_in *addr,
struct msgb *msg)
{
struct mgcp_endpoint *endp;
uint8_t osmux_cid;
if (msg->len < 1 + sizeof(osmux_cid)) {
LOGP(DLMGCP, LOGL_ERROR,
"Discarding truncated Osmux dummy load\n");
goto out;
}
LOGP(DLMGCP, LOGL_DEBUG, "Received Osmux dummy load from %s\n",
inet_ntoa(addr->sin_addr));
if (!cfg->osmux) {
LOGP(DLMGCP, LOGL_ERROR,
"bsc wants to use Osmux but bsc-nat did not request it\n");
goto out;
}
/* extract the osmux CID from the dummy message */
memcpy(&osmux_cid, &msg->data[1], sizeof(osmux_cid));
endp = endpoint_lookup(cfg, osmux_cid, &addr->sin_addr, MGCP_DEST_BTS);
if (!endp) {
LOGP(DLMGCP, LOGL_ERROR,
"Cannot find endpoint for Osmux CID %d\n", osmux_cid);
goto out;
}
if (endp->osmux.state == OSMUX_STATE_ENABLED)
goto out;
if (osmux_enable_endpoint(endp, &addr->sin_addr, addr->sin_port) < 0 ) {
LOGP(DLMGCP, LOGL_ERROR,
"Could not enable osmux in endpoint %d\n",
ENDPOINT_NUMBER(endp));
goto out;
}
LOGP(DLMGCP, LOGL_INFO, "Enabling osmux in endpoint %d for %s:%u\n",
ENDPOINT_NUMBER(endp), inet_ntoa(addr->sin_addr),
ntohs(addr->sin_port));
out:
msgb_free(msg);
return 0;
}
int osmux_read_from_bsc_cb(struct osmo_fd *ofd, unsigned int what)
{
struct msgb *msg;
struct osmux_hdr *osmuxh;
struct sockaddr_in addr;
struct mgcp_config *cfg = ofd->data;
uint32_t rem;
msg = osmux_recv(ofd, &addr);
if (!msg)
return -1;
/* not any further processing dummy messages */
if (msg->data[0] == MGCP_DUMMY_LOAD)
return osmux_handle_dummy(cfg, &addr, msg);
rem = msg->len;
while((osmuxh = osmux_xfrm_output_pull(msg)) != NULL) {
struct mgcp_endpoint *endp;
/* Yes, we use MGCP_DEST_BTS to locate the origin */
endp = endpoint_lookup(cfg, osmuxh->circuit_id,
&addr.sin_addr, MGCP_DEST_BTS);
if (!endp) {
LOGP(DLMGCP, LOGL_ERROR,
"Cannot find an endpoint for circuit_id=%d\n",
osmuxh->circuit_id);
goto out;
}
endp->osmux.stats.octets += osmux_chunk_length(msg, rem);
endp->osmux.stats.chunks++;
rem = msg->len;
osmux_xfrm_output_sched(&endp->osmux.out, osmuxh);
}
out:
msgb_free(msg);
return 0;
}
int osmux_init(int role, struct mgcp_config *cfg)
{
int ret;
switch(role) {
case OSMUX_ROLE_BSC:
osmux_fd.cb = osmux_read_from_bsc_nat_cb;
break;
case OSMUX_ROLE_BSC_NAT:
osmux_fd.cb = osmux_read_from_bsc_cb;
break;
default:
LOGP(DLMGCP, LOGL_ERROR, "wrong role for OSMUX\n");
return -1;
}
osmux_fd.data = cfg;
ret = mgcp_create_bind(cfg->osmux_addr, &osmux_fd, cfg->osmux_port);
if (ret < 0) {
LOGP(DLMGCP, LOGL_ERROR, "cannot bind OSMUX socket\n");
return ret;
}
mgcp_set_ip_tos(osmux_fd.fd, cfg->endp_dscp);
osmux_fd.when |= BSC_FD_READ;
ret = osmo_fd_register(&osmux_fd);
if (ret < 0) {
LOGP(DLMGCP, LOGL_ERROR, "cannot register OSMUX socket\n");
return ret;
}
cfg->osmux_init = 1;
return 0;
}
int osmux_enable_endpoint(struct mgcp_endpoint *endp, struct in_addr *addr, uint16_t port)
{
/* If osmux is enabled, initialize the output handler. This handler is
* used to reconstruct the RTP flow from osmux. The RTP SSRC is
* allocated based on the circuit ID (endp->osmux.cid), which is unique
* in the local scope to the BSC/BSC-NAT. We use it to divide the RTP
* SSRC space (2^32) by the 256 possible circuit IDs, then randomly
* select one value from that window. Thus, we have no chance to have
* overlapping RTP SSRC traveling to the BTSes behind the BSC,
* similarly, for flows traveling to the MSC.
*/
static const uint32_t rtp_ssrc_winlen = UINT32_MAX / 256;
if (endp->osmux.state == OSMUX_STATE_DISABLED) {
LOGP(DLMGCP, LOGL_ERROR, "Endpoint %u didn't request Osmux\n",
ENDPOINT_NUMBER(endp));
return -1;
}
osmux_xfrm_output_init(&endp->osmux.out,
(endp->osmux.cid * rtp_ssrc_winlen) +
(random() % rtp_ssrc_winlen));
endp->osmux.in = osmux_handle_lookup(endp->cfg, addr, port);
if (!endp->osmux.in) {
LOGP(DLMGCP, LOGL_ERROR, "Cannot allocate input osmux handle\n");
return -1;
}
if (!osmux_xfrm_input_open_circuit(endp->osmux.in, endp->osmux.cid,
endp->cfg->osmux_dummy)) {
LOGP(DLMGCP, LOGL_ERROR, "Cannot open osmux circuit %u\n",
endp->osmux.cid);
return -1;
}
switch (endp->cfg->role) {
case MGCP_BSC_NAT:
endp->type = MGCP_OSMUX_BSC_NAT;
osmux_xfrm_output_set_tx_cb(&endp->osmux.out,
scheduled_tx_net_cb, endp);
break;
case MGCP_BSC:
endp->type = MGCP_OSMUX_BSC;
osmux_xfrm_output_set_tx_cb(&endp->osmux.out,
scheduled_tx_bts_cb, endp);
break;
}
endp->osmux.state = OSMUX_STATE_ENABLED;
return 0;
}
void osmux_disable_endpoint(struct mgcp_endpoint *endp)
{
LOGP(DLMGCP, LOGL_INFO, "Releasing endpoint %u using Osmux CID %u\n",
ENDPOINT_NUMBER(endp), endp->osmux.cid);
/* We are closing, we don't need pending RTP packets to be transmitted */
osmux_xfrm_output_set_tx_cb(&endp->osmux.out, NULL, NULL);
osmux_xfrm_output_flush(&endp->osmux.out);
osmux_xfrm_input_close_circuit(endp->osmux.in, endp->osmux.cid);
endp->osmux.state = OSMUX_STATE_DISABLED;
endp->osmux.cid = -1;
osmux_handle_put(endp->osmux.in);
}
void osmux_release_cid(struct mgcp_endpoint *endp)
{
if (endp->osmux.allocated_cid >= 0)
osmux_put_cid(endp->osmux.allocated_cid);
endp->osmux.allocated_cid = -1;
}
void osmux_allocate_cid(struct mgcp_endpoint *endp)
{
osmux_release_cid(endp);
endp->osmux.allocated_cid = osmux_get_cid();
}
/* We don't need to send the dummy load for osmux so often as another endpoint
* may have already punched the hole in the firewall. This approach is simple
* though.
*/
int osmux_send_dummy(struct mgcp_endpoint *endp)
{
char buf[1 + sizeof(uint8_t)];
struct in_addr addr_unset = {};
buf[0] = MGCP_DUMMY_LOAD;
memcpy(&buf[1], &endp->osmux.cid, sizeof(endp->osmux.cid));
/* Wait until we have the connection information from MDCX */
if (memcmp(&endp->net_end.addr, &addr_unset, sizeof(addr_unset)) == 0)
return 0;
if (endp->osmux.state == OSMUX_STATE_ACTIVATING) {
if (osmux_enable_endpoint(endp, &endp->net_end.addr,
htons(endp->cfg->osmux_port)) < 0) {
LOGP(DLMGCP, LOGL_ERROR,
"Could not activate osmux in endpoint %d\n",
ENDPOINT_NUMBER(endp));
}
LOGP(DLMGCP, LOGL_ERROR,
"Osmux CID %u for %s:%u is now enabled\n",
endp->osmux.cid, inet_ntoa(endp->net_end.addr),
endp->cfg->osmux_port);
}
LOGP(DLMGCP, LOGL_DEBUG,
"sending OSMUX dummy load to %s CID %u\n",
inet_ntoa(endp->net_end.addr), endp->osmux.cid);
return mgcp_udp_send(osmux_fd.fd, &endp->net_end.addr,
htons(endp->cfg->osmux_port), buf, sizeof(buf));
}
/* bsc-nat allocates/releases the Osmux circuit ID */
static uint8_t osmux_cid_bitmap[(OSMUX_CID_MAX + 1) / 8];
int osmux_used_cid(void)
{
int i, j, used = 0;
for (i = 0; i < sizeof(osmux_cid_bitmap); i++) {
for (j = 0; j < 8; j++) {
if (osmux_cid_bitmap[i] & (1 << j))
used += 1;
}
}
return used;
}
int osmux_get_cid(void)
{
int i, j;
for (i = 0; i < sizeof(osmux_cid_bitmap); i++) {
for (j = 0; j < 8; j++) {
if (osmux_cid_bitmap[i] & (1 << j))
continue;
osmux_cid_bitmap[i] |= (1 << j);
LOGP(DLMGCP, LOGL_DEBUG,
"Allocating Osmux CID %u from pool\n", (i * 8) + j);
return (i * 8) + j;
}
}
LOGP(DLMGCP, LOGL_ERROR, "All Osmux circuits are in use!\n");
return -1;
}
void osmux_put_cid(uint8_t osmux_cid)
{
LOGP(DLMGCP, LOGL_DEBUG, "Osmux CID %u is back to the pool\n", osmux_cid);
osmux_cid_bitmap[osmux_cid / 8] &= ~(1 << (osmux_cid % 8));
}

File diff suppressed because it is too large Load Diff

View File

@ -1,305 +0,0 @@
/*
* Some SDP file parsing...
*
* (C) 2009-2015 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2014 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <osmocom/legacy_mgcp/mgcp.h>
#include <osmocom/legacy_mgcp/mgcp_internal.h>
#include <errno.h>
struct sdp_rtp_map {
/* the type */
int payload_type;
/* null, static or later dynamic codec name */
char *codec_name;
/* A pointer to the original line for later parsing */
char *map_line;
int rate;
int channels;
};
int mgcp_set_audio_info(void *ctx, struct mgcp_rtp_codec *codec,
int payload_type, const char *audio_name)
{
int rate = codec->rate;
int channels = codec->channels;
char audio_codec[64];
talloc_free(codec->subtype_name);
codec->subtype_name = NULL;
talloc_free(codec->audio_name);
codec->audio_name = NULL;
if (payload_type != PTYPE_UNDEFINED)
codec->payload_type = payload_type;
if (!audio_name) {
switch (payload_type) {
case 0: audio_name = "PCMU/8000/1"; break;
case 3: audio_name = "GSM/8000/1"; break;
case 8: audio_name = "PCMA/8000/1"; break;
case 18: audio_name = "G729/8000/1"; break;
default:
/* Payload type is unknown, don't change rate and
* channels. */
/* TODO: return value? */
return 0;
}
}
if (sscanf(audio_name, "%63[^/]/%d/%d",
audio_codec, &rate, &channels) < 1)
return -EINVAL;
codec->rate = rate;
codec->channels = channels;
codec->subtype_name = talloc_strdup(ctx, audio_codec);
codec->audio_name = talloc_strdup(ctx, audio_name);
if (!strcmp(audio_codec, "G729")) {
codec->frame_duration_num = 10;
codec->frame_duration_den = 1000;
} else {
codec->frame_duration_num = DEFAULT_RTP_AUDIO_FRAME_DUR_NUM;
codec->frame_duration_den = DEFAULT_RTP_AUDIO_FRAME_DUR_DEN;
}
if (payload_type < 0) {
payload_type = 96;
if (rate == 8000 && channels == 1) {
if (!strcmp(audio_codec, "GSM"))
payload_type = 3;
else if (!strcmp(audio_codec, "PCMA"))
payload_type = 8;
else if (!strcmp(audio_codec, "PCMU"))
payload_type = 0;
else if (!strcmp(audio_codec, "G729"))
payload_type = 18;
}
codec->payload_type = payload_type;
}
if (channels != 1)
LOGP(DLMGCP, LOGL_NOTICE,
"Channels != 1 in SDP: '%s'\n", audio_name);
return 0;
}
void codecs_initialize(void *ctx, struct sdp_rtp_map *codecs, int used)
{
int i;
for (i = 0; i < used; ++i) {
switch (codecs[i].payload_type) {
case 0:
codecs[i].codec_name = "PCMU";
codecs[i].rate = 8000;
codecs[i].channels = 1;
break;
case 3:
codecs[i].codec_name = "GSM";
codecs[i].rate = 8000;
codecs[i].channels = 1;
break;
case 8:
codecs[i].codec_name = "PCMA";
codecs[i].rate = 8000;
codecs[i].channels = 1;
break;
case 18:
codecs[i].codec_name = "G729";
codecs[i].rate = 8000;
codecs[i].channels = 1;
break;
}
}
}
void codecs_update(void *ctx, struct sdp_rtp_map *codecs, int used, int payload, char *audio_name)
{
int i;
for (i = 0; i < used; ++i) {
char audio_codec[64];
int rate = -1;
int channels = -1;
if (codecs[i].payload_type != payload)
continue;
if (sscanf(audio_name, "%63[^/]/%d/%d",
audio_codec, &rate, &channels) < 1) {
LOGP(DLMGCP, LOGL_ERROR, "Failed to parse '%s'\n", audio_name);
continue;
}
codecs[i].map_line = talloc_strdup(ctx, audio_name);
codecs[i].codec_name = talloc_strdup(ctx, audio_codec);
codecs[i].rate = rate;
codecs[i].channels = channels;
return;
}
LOGP(DLMGCP, LOGL_ERROR, "Unconfigured PT(%d) with %s\n", payload, audio_name);
}
int is_codec_compatible(struct mgcp_endpoint *endp, struct sdp_rtp_map *codec)
{
char *bts_codec;
char audio_codec[64];
if (!codec->codec_name)
return 0;
/*
* GSM, GSM/8000 and GSM/8000/1 should all be compatible.. let's go
* by name first.
*/
bts_codec = endp->tcfg->audio_name;
if (sscanf(bts_codec, "%63[^/]/%*d/%*d", audio_codec) < 1)
return 0;
return strcasecmp(audio_codec, codec->codec_name) == 0;
}
int mgcp_parse_sdp_data(struct mgcp_endpoint *endp, struct mgcp_rtp_end *rtp, struct mgcp_parse_data *p)
{
struct sdp_rtp_map codecs[10];
int codecs_used = 0;
char *line;
int maxptime = -1;
int i;
int codecs_assigned = 0;
void *tmp_ctx = talloc_new(NULL);
memset(&codecs, 0, sizeof(codecs));
for_each_line(line, p->save) {
switch (line[0]) {
case 'o':
case 's':
case 't':
case 'v':
/* skip these SDP attributes */
break;
case 'a': {
int payload;
int ptime, ptime2 = 0;
char audio_name[64];
if (sscanf(line, "a=rtpmap:%d %63s",
&payload, audio_name) == 2) {
codecs_update(tmp_ctx, codecs, codecs_used, payload, audio_name);
} else if (sscanf(line, "a=ptime:%d-%d",
&ptime, &ptime2) >= 1) {
if (ptime2 > 0 && ptime2 != ptime)
rtp->packet_duration_ms = 0;
else
rtp->packet_duration_ms = ptime;
} else if (sscanf(line, "a=maxptime:%d", &ptime2) == 1) {
maxptime = ptime2;
}
break;
}
case 'm': {
int port, rc;
rc = sscanf(line, "m=audio %d RTP/AVP %d %d %d %d %d %d %d %d %d %d",
&port,
&codecs[0].payload_type,
&codecs[1].payload_type,
&codecs[2].payload_type,
&codecs[3].payload_type,
&codecs[4].payload_type,
&codecs[5].payload_type,
&codecs[6].payload_type,
&codecs[7].payload_type,
&codecs[8].payload_type,
&codecs[9].payload_type);
if (rc >= 2) {
rtp->rtp_port = htons(port);
rtp->rtcp_port = htons(port + 1);
codecs_used = rc - 1;
codecs_initialize(tmp_ctx, codecs, codecs_used);
}
break;
}
case 'c': {
char ipv4[16];
if (sscanf(line, "c=IN IP4 %15s", ipv4) == 1) {
inet_aton(ipv4, &rtp->addr);
}
break;
}
default:
if (p->endp)
LOGP(DLMGCP, LOGL_NOTICE,
"Unhandled SDP option: '%c'/%d on 0x%x\n",
line[0], line[0], ENDPOINT_NUMBER(p->endp));
else
LOGP(DLMGCP, LOGL_NOTICE,
"Unhandled SDP option: '%c'/%d\n",
line[0], line[0]);
break;
}
}
/* Now select the primary and alt_codec */
for (i = 0; i < codecs_used && codecs_assigned < 2; ++i) {
struct mgcp_rtp_codec *codec = codecs_assigned == 0 ?
&rtp->codec : &rtp->alt_codec;
if (endp->tcfg->no_audio_transcoding &&
!is_codec_compatible(endp, &codecs[i])) {
LOGP(DLMGCP, LOGL_NOTICE, "Skipping codec %s\n",
codecs[i].codec_name);
continue;
}
mgcp_set_audio_info(p->cfg, codec,
codecs[i].payload_type,
codecs[i].map_line);
codecs_assigned += 1;
}
if (codecs_assigned > 0) {
/* TODO/XXX: Store this per codec and derive it on use */
if (maxptime >= 0 && maxptime * rtp->codec.frame_duration_den >
rtp->codec.frame_duration_num * 1500) {
/* more than 1 frame */
rtp->packet_duration_ms = 0;
}
LOGP(DLMGCP, LOGL_NOTICE,
"Got media info via SDP: port %d, payload %d (%s), "
"duration %d, addr %s\n",
ntohs(rtp->rtp_port), rtp->codec.payload_type,
rtp->codec.subtype_name ? rtp->codec.subtype_name : "unknown",
rtp->packet_duration_ms, inet_ntoa(rtp->addr));
}
talloc_free(tmp_ctx);
return codecs_assigned > 0;
}

View File

@ -1,611 +0,0 @@
/*
* (C) 2014 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "g711common.h"
#include <osmocom/legacy_mgcp/mgcp.h>
#include <osmocom/legacy_mgcp/mgcp_internal.h>
#include <osmocom/legacy_mgcp/mgcp_transcode.h>
#include <osmocom/core/talloc.h>
#include <osmocom/netif/rtp.h>
int mgcp_transcoding_get_frame_size(void *state_, int nsamples, int dst)
{
struct mgcp_process_rtp_state *state = state_;
if (dst)
return (nsamples >= 0 ?
nsamples / state->dst_samples_per_frame :
1) * state->dst_frame_size;
else
return (nsamples >= 0 ?
nsamples / state->src_samples_per_frame :
1) * state->src_frame_size;
}
static enum audio_format get_audio_format(const struct mgcp_rtp_codec *codec)
{
if (codec->subtype_name) {
if (!strcasecmp("GSM", codec->subtype_name))
return AF_GSM;
if (!strcasecmp("PCMA", codec->subtype_name))
return AF_PCMA;
if (!strcasecmp("PCMU", codec->subtype_name))
return AF_PCMU;
#ifdef HAVE_BCG729
if (!strcasecmp("G729", codec->subtype_name))
return AF_G729;
#endif
if (!strcasecmp("L16", codec->subtype_name))
return AF_L16;
}
switch (codec->payload_type) {
case 0 /* PCMU */:
return AF_PCMU;
case 3 /* GSM */:
return AF_GSM;
case 8 /* PCMA */:
return AF_PCMA;
#ifdef HAVE_BCG729
case 18 /* G.729 */:
return AF_G729;
#endif
case 11 /* L16 */:
return AF_L16;
default:
return AF_INVALID;
}
}
static void l16_encode(short *sample, unsigned char *buf, size_t n)
{
for (; n > 0; --n, ++sample, buf += 2) {
buf[0] = sample[0] >> 8;
buf[1] = sample[0] & 0xff;
}
}
static void l16_decode(unsigned char *buf, short *sample, size_t n)
{
for (; n > 0; --n, ++sample, buf += 2)
sample[0] = ((short)buf[0] << 8) | buf[1];
}
static void alaw_encode(short *sample, unsigned char *buf, size_t n)
{
for (; n > 0; --n)
*(buf++) = s16_to_alaw(*(sample++));
}
static void alaw_decode(unsigned char *buf, short *sample, size_t n)
{
for (; n > 0; --n)
*(sample++) = alaw_to_s16(*(buf++));
}
static void ulaw_encode(short *sample, unsigned char *buf, size_t n)
{
for (; n > 0; --n)
*(buf++) = s16_to_ulaw(*(sample++));
}
static void ulaw_decode(unsigned char *buf, short *sample, size_t n)
{
for (; n > 0; --n)
*(sample++) = ulaw_to_s16(*(buf++));
}
static int processing_state_destructor(struct mgcp_process_rtp_state *state)
{
switch (state->src_fmt) {
case AF_GSM:
if (state->src.gsm_handle)
gsm_destroy(state->src.gsm_handle);
break;
#ifdef HAVE_BCG729
case AF_G729:
if (state->src.g729_dec)
closeBcg729DecoderChannel(state->src.g729_dec);
break;
#endif
default:
break;
}
switch (state->dst_fmt) {
case AF_GSM:
if (state->dst.gsm_handle)
gsm_destroy(state->dst.gsm_handle);
break;
#ifdef HAVE_BCG729
case AF_G729:
if (state->dst.g729_enc)
closeBcg729EncoderChannel(state->dst.g729_enc);
break;
#endif
default:
break;
}
return 0;
}
int mgcp_transcoding_setup(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct mgcp_rtp_end *src_end)
{
struct mgcp_process_rtp_state *state;
enum audio_format src_fmt, dst_fmt;
const struct mgcp_rtp_codec *dst_codec = &dst_end->codec;
/* cleanup first */
if (dst_end->rtp_process_data) {
talloc_free(dst_end->rtp_process_data);
dst_end->rtp_process_data = NULL;
}
if (!src_end)
return 0;
const struct mgcp_rtp_codec *src_codec = &src_end->codec;
if (endp->tcfg->no_audio_transcoding) {
LOGP(DLMGCP, LOGL_NOTICE,
"Transcoding disabled on endpoint 0x%x\n",
ENDPOINT_NUMBER(endp));
return 0;
}
src_fmt = get_audio_format(src_codec);
dst_fmt = get_audio_format(dst_codec);
LOGP(DLMGCP, LOGL_ERROR,
"Checking transcoding: %s (%d) -> %s (%d)\n",
src_codec->subtype_name, src_codec->payload_type,
dst_codec->subtype_name, dst_codec->payload_type);
if (src_fmt == AF_INVALID || dst_fmt == AF_INVALID) {
if (!src_codec->subtype_name || !dst_codec->subtype_name)
/* Not enough info, do nothing */
return 0;
if (strcasecmp(src_codec->subtype_name, dst_codec->subtype_name) == 0)
/* Nothing to do */
return 0;
LOGP(DLMGCP, LOGL_ERROR,
"Cannot transcode: %s codec not supported (%s -> %s).\n",
src_fmt != AF_INVALID ? "destination" : "source",
src_codec->audio_name, dst_codec->audio_name);
return -EINVAL;
}
if (src_codec->rate && dst_codec->rate && src_codec->rate != dst_codec->rate) {
LOGP(DLMGCP, LOGL_ERROR,
"Cannot transcode: rate conversion (%d -> %d) not supported.\n",
src_codec->rate, dst_codec->rate);
return -EINVAL;
}
state = talloc_zero(endp->tcfg->cfg, struct mgcp_process_rtp_state);
talloc_set_destructor(state, processing_state_destructor);
dst_end->rtp_process_data = state;
state->src_fmt = src_fmt;
switch (state->src_fmt) {
case AF_L16:
case AF_S16:
state->src_frame_size = 80 * sizeof(short);
state->src_samples_per_frame = 80;
break;
case AF_GSM:
state->src_frame_size = sizeof(gsm_frame);
state->src_samples_per_frame = 160;
state->src.gsm_handle = gsm_create();
if (!state->src.gsm_handle) {
LOGP(DLMGCP, LOGL_ERROR,
"Failed to initialize GSM decoder.\n");
return -EINVAL;
}
break;
#ifdef HAVE_BCG729
case AF_G729:
state->src_frame_size = 10;
state->src_samples_per_frame = 80;
state->src.g729_dec = initBcg729DecoderChannel();
if (!state->src.g729_dec) {
LOGP(DLMGCP, LOGL_ERROR,
"Failed to initialize G.729 decoder.\n");
return -EINVAL;
}
break;
#endif
case AF_PCMU:
case AF_PCMA:
state->src_frame_size = 80;
state->src_samples_per_frame = 80;
break;
default:
break;
}
state->dst_fmt = dst_fmt;
switch (state->dst_fmt) {
case AF_L16:
case AF_S16:
state->dst_frame_size = 80*sizeof(short);
state->dst_samples_per_frame = 80;
break;
case AF_GSM:
state->dst_frame_size = sizeof(gsm_frame);
state->dst_samples_per_frame = 160;
state->dst.gsm_handle = gsm_create();
if (!state->dst.gsm_handle) {
LOGP(DLMGCP, LOGL_ERROR,
"Failed to initialize GSM encoder.\n");
return -EINVAL;
}
break;
#ifdef HAVE_BCG729
case AF_G729:
state->dst_frame_size = 10;
state->dst_samples_per_frame = 80;
state->dst.g729_enc = initBcg729EncoderChannel();
if (!state->dst.g729_enc) {
LOGP(DLMGCP, LOGL_ERROR,
"Failed to initialize G.729 decoder.\n");
return -EINVAL;
}
break;
#endif
case AF_PCMU:
case AF_PCMA:
state->dst_frame_size = 80;
state->dst_samples_per_frame = 80;
break;
default:
break;
}
if (dst_end->force_output_ptime)
state->dst_packet_duration = mgcp_rtp_packet_duration(endp, dst_end);
LOGP(DLMGCP, LOGL_INFO,
"Initialized RTP processing on: 0x%x "
"conv: %d (%d, %d, %s) -> %d (%d, %d, %s)\n",
ENDPOINT_NUMBER(endp),
src_fmt, src_codec->payload_type, src_codec->rate, src_end->fmtp_extra,
dst_fmt, dst_codec->payload_type, dst_codec->rate, dst_end->fmtp_extra);
return 0;
}
void mgcp_transcoding_net_downlink_format(struct mgcp_endpoint *endp,
int *payload_type,
const char**audio_name,
const char**fmtp_extra)
{
struct mgcp_process_rtp_state *state = endp->net_end.rtp_process_data;
struct mgcp_rtp_codec *net_codec = &endp->net_end.codec;
struct mgcp_rtp_codec *bts_codec = &endp->bts_end.codec;
if (!state || net_codec->payload_type < 0) {
*payload_type = bts_codec->payload_type;
*audio_name = bts_codec->audio_name;
*fmtp_extra = endp->bts_end.fmtp_extra;
return;
}
*payload_type = net_codec->payload_type;
*audio_name = net_codec->audio_name;
*fmtp_extra = endp->net_end.fmtp_extra;
}
static int decode_audio(struct mgcp_process_rtp_state *state,
uint8_t **src, size_t *nbytes)
{
while (*nbytes >= state->src_frame_size) {
if (state->sample_cnt + state->src_samples_per_frame > ARRAY_SIZE(state->samples)) {
LOGP(DLMGCP, LOGL_ERROR,
"Sample buffer too small: %zu > %zu.\n",
state->sample_cnt + state->src_samples_per_frame,
ARRAY_SIZE(state->samples));
return -ENOSPC;
}
switch (state->src_fmt) {
case AF_GSM:
if (gsm_decode(state->src.gsm_handle,
(gsm_byte *)*src, state->samples + state->sample_cnt) < 0) {
LOGP(DLMGCP, LOGL_ERROR,
"Failed to decode GSM.\n");
return -EINVAL;
}
break;
#ifdef HAVE_BCG729
case AF_G729:
bcg729Decoder(state->src.g729_dec, *src, 0, state->samples + state->sample_cnt);
break;
#endif
case AF_PCMU:
ulaw_decode(*src, state->samples + state->sample_cnt,
state->src_samples_per_frame);
break;
case AF_PCMA:
alaw_decode(*src, state->samples + state->sample_cnt,
state->src_samples_per_frame);
break;
case AF_S16:
memmove(state->samples + state->sample_cnt, *src,
state->src_frame_size);
break;
case AF_L16:
l16_decode(*src, state->samples + state->sample_cnt,
state->src_samples_per_frame);
break;
default:
break;
}
*src += state->src_frame_size;
*nbytes -= state->src_frame_size;
state->sample_cnt += state->src_samples_per_frame;
}
return 0;
}
static int encode_audio(struct mgcp_process_rtp_state *state,
uint8_t *dst, size_t buf_size, size_t max_samples)
{
int nbytes = 0;
size_t nsamples = 0;
/* Encode samples into dst */
while (nsamples + state->dst_samples_per_frame <= max_samples) {
if (nbytes + state->dst_frame_size > buf_size) {
if (nbytes > 0)
break;
/* Not even one frame fits into the buffer */
LOGP(DLMGCP, LOGL_INFO,
"Encoding (RTP) buffer too small: %zu > %zu.\n",
nbytes + state->dst_frame_size, buf_size);
return -ENOSPC;
}
switch (state->dst_fmt) {
case AF_GSM:
gsm_encode(state->dst.gsm_handle,
state->samples + state->sample_offs, dst);
break;
#ifdef HAVE_BCG729
case AF_G729:
bcg729Encoder(state->dst.g729_enc,
state->samples + state->sample_offs, dst);
break;
#endif
case AF_PCMU:
ulaw_encode(state->samples + state->sample_offs, dst,
state->src_samples_per_frame);
break;
case AF_PCMA:
alaw_encode(state->samples + state->sample_offs, dst,
state->src_samples_per_frame);
break;
case AF_S16:
memmove(dst, state->samples + state->sample_offs,
state->dst_frame_size);
break;
case AF_L16:
l16_encode(state->samples + state->sample_offs, dst,
state->src_samples_per_frame);
break;
default:
break;
}
dst += state->dst_frame_size;
nbytes += state->dst_frame_size;
state->sample_offs += state->dst_samples_per_frame;
nsamples += state->dst_samples_per_frame;
}
state->sample_cnt -= nsamples;
return nbytes;
}
static struct mgcp_rtp_end *source_for_dest(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end)
{
if (&endp->bts_end == dst_end)
return &endp->net_end;
else if (&endp->net_end == dst_end)
return &endp->bts_end;
OSMO_ASSERT(0);
}
/*
* With some modems we get offered multiple codecs
* and we have selected one of them. It might not
* be the right one and we need to detect this with
* the first audio packets. One difficulty is that
* we patch the rtp payload type in place, so we
* need to discuss this.
*/
struct mgcp_process_rtp_state *check_transcode_state(
struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
struct rtp_hdr *rtp_hdr)
{
struct mgcp_rtp_end *src_end;
/* Only deal with messages from net to bts */
if (&endp->bts_end != dst_end)
goto done;
src_end = source_for_dest(endp, dst_end);
/* Already patched */
if (rtp_hdr->payload_type == dst_end->codec.payload_type)
goto done;
/* The payload we expect */
if (rtp_hdr->payload_type == src_end->codec.payload_type)
goto done;
/* The matching alternate payload type? Then switch */
if (rtp_hdr->payload_type == src_end->alt_codec.payload_type) {
struct mgcp_config *cfg = endp->cfg;
struct mgcp_rtp_codec tmp_codec = src_end->alt_codec;
src_end->alt_codec = src_end->codec;
src_end->codec = tmp_codec;
cfg->setup_rtp_processing_cb(endp, &endp->net_end, &endp->bts_end);
cfg->setup_rtp_processing_cb(endp, &endp->bts_end, &endp->net_end);
}
done:
return dst_end->rtp_process_data;
}
int mgcp_transcoding_process_rtp(struct mgcp_endpoint *endp,
struct mgcp_rtp_end *dst_end,
char *data, int *len, int buf_size)
{
struct mgcp_process_rtp_state *state;
const size_t rtp_hdr_size = sizeof(struct rtp_hdr);
struct rtp_hdr *rtp_hdr = (struct rtp_hdr *) data;
char *payload_data = (char *) &rtp_hdr->data[0];
int payload_len = *len - rtp_hdr_size;
uint8_t *src = (uint8_t *)payload_data;
uint8_t *dst = (uint8_t *)payload_data;
size_t nbytes = payload_len;
size_t nsamples;
size_t max_samples;
uint32_t ts_no;
int rc;
state = check_transcode_state(endp, dst_end, rtp_hdr);
if (!state)
return 0;
if (state->src_fmt == state->dst_fmt) {
if (!state->dst_packet_duration)
return 0;
/* TODO: repackage without transcoding */
}
/* If the remaining samples do not fit into a fixed ptime,
* a) discard them, if the next packet is much later
* b) add silence and * send it, if the current packet is not
* yet too late
* c) append the sample data, if the timestamp matches exactly
*/
/* TODO: check payload type (-> G.711 comfort noise) */
if (payload_len > 0) {
ts_no = ntohl(rtp_hdr->timestamp);
if (!state->is_running) {
state->next_seq = ntohs(rtp_hdr->sequence);
state->next_time = ts_no;
state->is_running = 1;
}
if (state->sample_cnt > 0) {
int32_t delta = ts_no - state->next_time;
/* TODO: check sequence? reordering? packet loss? */
if (delta > state->sample_cnt) {
/* There is a time gap between the last packet
* and the current one. Just discard the
* partial data that is left in the buffer.
* TODO: This can be improved by adding silence
* instead if the delta is small enough.
*/
LOGP(DLMGCP, LOGL_NOTICE,
"0x%x dropping sample buffer due delta=%d sample_cnt=%zu\n",
ENDPOINT_NUMBER(endp), delta, state->sample_cnt);
state->sample_cnt = 0;
state->next_time = ts_no;
} else if (delta < 0) {
LOGP(DLMGCP, LOGL_NOTICE,
"RTP time jumps backwards, delta = %d, "
"discarding buffered samples\n",
delta);
state->sample_cnt = 0;
state->sample_offs = 0;
return -EAGAIN;
}
/* Make sure the samples start without offset */
if (state->sample_offs && state->sample_cnt)
memmove(&state->samples[0],
&state->samples[state->sample_offs],
state->sample_cnt *
sizeof(state->samples[0]));
}
state->sample_offs = 0;
/* Append decoded audio to samples */
decode_audio(state, &src, &nbytes);
if (nbytes > 0)
LOGP(DLMGCP, LOGL_NOTICE,
"Skipped audio frame in RTP packet: %zu octets\n",
nbytes);
} else
ts_no = state->next_time;
if (state->sample_cnt < state->dst_packet_duration)
return -EAGAIN;
max_samples =
state->dst_packet_duration ?
state->dst_packet_duration : state->sample_cnt;
nsamples = state->sample_cnt;
rc = encode_audio(state, dst, buf_size, max_samples);
/*
* There were no samples to encode?
* TODO: how does this work for comfort noise?
*/
if (rc == 0)
return -ENOMSG;
/* Any other error during the encoding */
if (rc < 0)
return rc;
nsamples -= state->sample_cnt;
*len = rtp_hdr_size + rc;
rtp_hdr->sequence = htons(state->next_seq);
rtp_hdr->timestamp = htonl(ts_no);
state->next_seq += 1;
state->next_time = ts_no + nsamples;
/*
* XXX: At this point we should always have consumed
* samples. So doing OSMO_ASSERT(nsamples > 0) and returning
* rtp_hdr_size should be fine.
*/
return nsamples ? rtp_hdr_size : 0;
}

File diff suppressed because it is too large Load Diff

View File

@ -1,31 +0,0 @@
AM_CPPFLAGS = \
$(all_includes) \
-I$(top_srcdir)/include \
-I$(top_builddir) \
$(NULL)
AM_CFLAGS = \
-Wall \
$(LIBOSMOCORE_CFLAGS) \
$(LIBOSMOVTY_CFLAGS) \
$(LIBOSMONETIF_CFLAGS) \
$(LIBBCG729_CFLAGS) \
$(COVERAGE_CFLAGS) \
$(NULL)
bin_PROGRAMS = \
osmo-bsc_mgcp \
$(NULL)
osmo_bsc_mgcp_SOURCES = \
mgcp_main.c \
$(NULL)
osmo_bsc_mgcp_LDADD = \
$(top_builddir)/src/libosmo-legacy-mgcp/libosmo-legacy-mgcp.la \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOVTY_LIBS) \
$(LIBOSMONETIF_LIBS) \
$(LIBBCG729_LIBS) \
$(LIBRARY_GSM) \
$(NULL)

View File

@ -1,351 +0,0 @@
/* A Media Gateway Control Protocol Media Gateway: RFC 3435 */
/* The main method to drive it as a standalone process */
/*
* (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2011 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <limits.h>
#include <unistd.h>
#include <errno.h>
#include <sys/socket.h>
#include <osmocom/legacy_mgcp/mgcp.h>
#include <osmocom/legacy_mgcp/mgcp_internal.h>
#include <osmocom/legacy_mgcp/vty.h>
#include <osmocom/core/application.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/select.h>
#include <osmocom/core/stats.h>
#include <osmocom/core/rate_ctr.h>
#include <osmocom/core/logging.h>
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/logging.h>
#include <osmocom/vty/ports.h>
#include <osmocom/vty/command.h>
#include <osmocom/vty/stats.h>
#include "../../bscconfig.h"
#ifdef BUILD_MGCP_TRANSCODING
#include <osmocom/legacy_mgcp/mgcp_transcode.h>
#endif
#define _GNU_SOURCE
#include <getopt.h>
#warning "Make use of the rtp proxy code"
static struct mgcp_config *cfg;
static struct mgcp_trunk_config *reset_trunk;
static int reset_endpoints = 0;
static int daemonize = 0;
const char *openbsc_copyright =
"Copyright (C) 2009-2010 Holger Freyther and On-Waves\r\n"
"Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt\r\n"
"Dieter Spaar, Andreas Eversberg, Harald Welte\r\n\r\n"
"License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n"
"This is free software: you are free to change and redistribute it.\r\n"
"There is NO WARRANTY, to the extent permitted by law.\r\n";
static char *config_file = "mgcp.cfg";
/* used by msgb and mgcp */
void *tall_bsc_ctx = NULL;
static void print_help()
{
printf("Some useful help...\n");
printf(" -h --help is printing this text.\n");
printf(" -c --config-file filename The config file to use.\n");
printf(" -s --disable-color\n");
printf(" -D --daemonize Fork the process into a background daemon\n");
printf(" -V --version Print the version number\n");
}
static void handle_options(int argc, char **argv)
{
while (1) {
int option_index = 0, c;
static struct option long_options[] = {
{"help", 0, 0, 'h'},
{"config-file", 1, 0, 'c'},
{"daemonize", 0, 0, 'D'},
{"version", 0, 0, 'V'},
{"disable-color", 0, 0, 's'},
{0, 0, 0, 0},
};
c = getopt_long(argc, argv, "hc:VD", long_options, &option_index);
if (c == -1)
break;
switch(c) {
case 'h':
print_help();
exit(0);
break;
case 'c':
config_file = talloc_strdup(tall_bsc_ctx, optarg);
break;
case 's':
log_set_use_color(osmo_stderr_target, 0);
break;
case 'V':
print_version(1);
exit(0);
break;
case 'D':
daemonize = 1;
break;
default:
/* ignore */
break;
};
}
}
/* simply remember this */
static int mgcp_rsip_cb(struct mgcp_trunk_config *tcfg)
{
reset_endpoints = 1;
reset_trunk = tcfg;
return 0;
}
static int read_call_agent(struct osmo_fd *fd, unsigned int what)
{
struct sockaddr_in addr;
socklen_t slen = sizeof(addr);
struct msgb *msg;
struct msgb *resp;
int i;
msg = (struct msgb *) fd->data;
/* read one less so we can use it as a \0 */
int rc = recvfrom(cfg->gw_fd.bfd.fd, msg->data, msg->data_len - 1, 0,
(struct sockaddr *) &addr, &slen);
if (rc < 0) {
perror("Gateway failed to read");
return -1;
} else if (slen > sizeof(addr)) {
fprintf(stderr, "Gateway received message from outerspace: %zu %zu\n",
(size_t) slen, sizeof(addr));
return -1;
}
/* handle message now */
msg->l2h = msgb_put(msg, rc);
resp = mgcp_handle_message(cfg, msg);
msgb_reset(msg);
if (resp) {
sendto(cfg->gw_fd.bfd.fd, resp->l2h, msgb_l2len(resp), 0, (struct sockaddr *) &addr, sizeof(addr));
msgb_free(resp);
}
if (reset_endpoints) {
LOGP(DLMGCP, LOGL_NOTICE,
"Asked to reset endpoints: %d/%d\n",
reset_trunk->trunk_nr, reset_trunk->trunk_type);
reset_endpoints = 0;
/* is checking in_addr.s_addr == INADDR_LOOPBACK making it more secure? */
for (i = 1; i < reset_trunk->number_endpoints; ++i)
mgcp_release_endp(&reset_trunk->endpoints[i]);
}
return 0;
}
int mgcp_vty_is_config_node(struct vty *vty, int node)
{
switch (node) {
case CONFIG_NODE:
return 0;
default:
return 1;
}
}
int mgcp_vty_go_parent(struct vty *vty)
{
switch (vty->node) {
case TRUNK_NODE:
vty->node = MGCP_NODE;
vty->index = NULL;
break;
case MGCP_NODE:
default:
if (mgcp_vty_is_config_node(vty, vty->node))
vty->node = CONFIG_NODE;
else
vty->node = ENABLE_NODE;
vty->index = NULL;
}
return vty->node;
}
static struct vty_app_info vty_info = {
.name = "OpenBSC MGCP",
.version = PACKAGE_VERSION,
.go_parent_cb = mgcp_vty_go_parent,
.is_config_node = mgcp_vty_is_config_node,
};
static const struct log_info_cat log_categories[] = {
/* DLMGCP is provided by the MGCP library */
};
const struct log_info log_info = {
.cat = log_categories,
.num_cat = ARRAY_SIZE(log_categories),
};
int main(int argc, char **argv)
{
struct sockaddr_in addr;
int on = 1, rc;
tall_bsc_ctx = talloc_named_const(NULL, 1, "mgcp-callagent");
msgb_talloc_ctx_init(tall_bsc_ctx, 0);
osmo_init_ignore_signals();
osmo_init_logging2(tall_bsc_ctx, &log_info);
cfg = mgcp_config_alloc();
if (!cfg)
return -1;
#ifdef BUILD_MGCP_TRANSCODING
cfg->setup_rtp_processing_cb = &mgcp_transcoding_setup;
cfg->rtp_processing_cb = &mgcp_transcoding_process_rtp;
cfg->get_net_downlink_format_cb = &mgcp_transcoding_net_downlink_format;
#endif
cfg->trunk.force_realloc = 1;
vty_info.copyright = openbsc_copyright;
vty_init(&vty_info);
logging_vty_add_cmds(NULL);
osmo_stats_vty_add_cmds(&log_info);
mgcp_vty_init();
handle_options(argc, argv);
rate_ctr_init(tall_bsc_ctx);
osmo_stats_init(tall_bsc_ctx);
rc = mgcp_parse_config(config_file, cfg, MGCP_BSC);
if (rc < 0)
return rc;
/* start telnet after reading config for vty_get_bind_addr() */
rc = telnet_init_dynif(tall_bsc_ctx, NULL,
vty_get_bind_addr(), OSMO_VTY_PORT_BSC_MGCP);
if (rc < 0)
return rc;
/* set some callbacks */
cfg->reset_cb = mgcp_rsip_cb;
/* we need to bind a socket */
if (rc == 0) {
cfg->gw_fd.bfd.when = BSC_FD_READ;
cfg->gw_fd.bfd.cb = read_call_agent;
cfg->gw_fd.bfd.fd = socket(AF_INET, SOCK_DGRAM, 0);
if (cfg->gw_fd.bfd.fd < 0) {
perror("Gateway failed to listen");
return -1;
}
setsockopt(cfg->gw_fd.bfd.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(cfg->source_port);
inet_aton(cfg->source_addr, &addr.sin_addr);
if (bind(cfg->gw_fd.bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
perror("Gateway failed to bind");
return -1;
}
cfg->gw_fd.bfd.data = msgb_alloc(4096, "mgcp-msg");
if (!cfg->gw_fd.bfd.data) {
fprintf(stderr, "Gateway memory error.\n");
return -1;
}
if (cfg->call_agent_addr) {
addr.sin_port = htons(2727);
inet_aton(cfg->call_agent_addr, &addr.sin_addr);
if (connect(cfg->gw_fd.bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
LOGP(DLMGCP, LOGL_ERROR, "Failed to connect to: '%s'. errno: %d\n",
cfg->call_agent_addr, errno);
close(cfg->gw_fd.bfd.fd);
cfg->gw_fd.bfd.fd = -1;
return -1;
}
}
if (osmo_fd_register(&cfg->gw_fd.bfd) != 0) {
LOGP(DLMGCP, LOGL_FATAL, "Failed to register the fd\n");
return -1;
}
LOGP(DLMGCP, LOGL_NOTICE, "Configured for MGCP.\n");
}
/* initialisation */
srand(time(NULL));
if (daemonize) {
rc = osmo_daemonize();
if (rc < 0) {
perror("Error during daemonize");
exit(1);
}
}
/* main loop */
while (1) {
osmo_select_main(0);
}
return 0;
}

View File

@ -1,5 +1,4 @@
SUBDIRS = \ SUBDIRS = \
legacy_mgcp \
mgcp_client \ mgcp_client \
mgcp \ mgcp \
$(NULL) $(NULL)
@ -26,7 +25,6 @@ EXTRA_DIST = \
testsuite.at \ testsuite.at \
$(srcdir)/package.m4 \ $(srcdir)/package.m4 \
$(TESTSUITE) \ $(TESTSUITE) \
vty_test_runner.py \
$(NULL) $(NULL)
TESTSUITE = $(srcdir)/testsuite TESTSUITE = $(srcdir)/testsuite
@ -39,7 +37,6 @@ if ENABLE_EXT_TESTS
python-tests: $(BUILT_SOURCES) python-tests: $(BUILT_SOURCES)
osmotestvty.py -p $(abs_top_srcdir) -w $(abs_top_builddir) -v osmotestvty.py -p $(abs_top_srcdir) -w $(abs_top_builddir) -v
osmotestconfig.py -p $(abs_top_srcdir) -w $(abs_top_builddir) -v osmotestconfig.py -p $(abs_top_srcdir) -w $(abs_top_builddir) -v
$(PYTHON) $(srcdir)/vty_test_runner.py -w $(abs_top_builddir) -v
else else
python-tests: $(BUILT_SOURCES) python-tests: $(BUILT_SOURCES)
echo "Not running python-based tests (determined at configure-time)" echo "Not running python-based tests (determined at configure-time)"

View File

@ -1,7 +1,6 @@
enable_nat_test='@osmo_ac_build_nat@' enable_nat_test='@osmo_ac_build_nat@'
enable_smpp_test='@osmo_ac_build_smpp@' enable_smpp_test='@osmo_ac_build_smpp@'
enable_bsc_test='@osmo_ac_build_bsc@' enable_bsc_test='@osmo_ac_build_bsc@'
enable_mgcp_transcoding_test='@osmo_ac_mgcp_transcoding@'
enable_sgsn_test='@found_libgtp_and_libcares@' enable_sgsn_test='@found_libgtp_and_libcares@'
enable_oap_test='@found_libgtp_and_libcares@' enable_oap_test='@found_libgtp_and_libcares@'
enable_gtphub_test='@found_libgtp_and_libcares@' enable_gtphub_test='@found_libgtp_and_libcares@'

View File

@ -1,61 +0,0 @@
AM_CPPFLAGS = \
$(all_includes) \
-I$(top_srcdir)/include \
-I$(top_srcdir) \
$(NULL)
AM_CFLAGS = \
-Wall \
-ggdb3 \
$(LIBOSMOCORE_CFLAGS) \
$(LIBOSMONETIF_CFLAGS) \
$(LIBBCG729_CFLAGS) \
$(COVERAGE_CFLAGS) \
$(NULL)
AM_LDFLAGS = \
$(COVERAGE_LDFLAGS) \
$(NULL)
EXTRA_DIST = \
mgcp_test.ok \
mgcp_transcoding_test.ok \
$(NULL)
noinst_PROGRAMS = \
mgcp_test \
$(NULL)
if BUILD_MGCP_TRANSCODING
noinst_PROGRAMS += \
mgcp_transcoding_test \
$(NULL)
endif
mgcp_test_SOURCES = \
mgcp_test.c \
$(NULL)
mgcp_test_LDADD = \
$(top_builddir)/src/libosmo-legacy-mgcp/libosmo-legacy-mgcp.la \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOVTY_LIBS) \
$(LIBRARY_DL) \
$(LIBOSMONETIF_LIBS) \
$(LIBRARY_GSM) \
-lm \
$(NULL)
mgcp_transcoding_test_SOURCES = \
mgcp_transcoding_test.c \
$(NULL)
mgcp_transcoding_test_LDADD = \
$(top_builddir)/src/libosmo-legacy-mgcp/libosmo-legacy-mgcp.la \
$(LIBOSMOCORE_LIBS) \
$(LIBOSMOVTY_LIBS) \
$(LIBBCG729_LIBS) \
$(LIBRARY_DL) \
$(LIBOSMONETIF_LIBS) \
$(LIBRARY_GSM) \
-lm \
$(NULL)

File diff suppressed because it is too large Load Diff

View File

@ -1,480 +0,0 @@
line: 'one CR'
line: 'two CR'
line: ''
line: 'one CRLF'
line: 'two CRLF'
line: ''
line: 'one LF'
line: 'two LF'
line: ''
line: 'mixed (4 lines)'
line: ''
line: ''
line: ''
Testing AUEP1
Testing AUEP2
Testing MDCX1
Testing MDCX2
Testing CRCX
Dummy packets: 1
Detected packet duration: 40
Requested packetetization period: 20-20
Connection mode: 1: RECV
Testing MDCX3
Dummy packets: 1
Packet duration not set
Requested packetization period not set
Connection mode not set
Testing MDCX4
Dummy packets: 1
Detected packet duration: 40
Requested packetetization period: 20-20
Connection mode: 3: SEND RECV
Testing MDCX4_PT1
Dummy packets: 1
Detected packet duration: 40
Requested packetetization period: 20-40
Connection mode: 3: SEND RECV
Testing MDCX4_PT2
Dummy packets: 1
Detected packet duration: 40
Requested packetetization period: 20-20
Connection mode: 3: SEND RECV
Testing MDCX4_PT3
Dummy packets: 1
Detected packet duration: 40
Requested packetization period not set
Connection mode: 3: SEND RECV
Testing MDCX4_SO
Detected packet duration: 40
Requested packetetization period: 20-20
Connection mode: 2: SEND
Testing MDCX4_RO
Dummy packets: 1
Packet duration not set
Requested packetetization period: 20-20
Connection mode: 1: RECV
Testing DLCX
Detected packet duration: 20
Requested packetization period not set
Connection mode: 0: NONE
Testing CRCX_ZYN
Dummy packets: 1
Packet duration not set
Requested packetization period not set
Connection mode: 1: RECV
Testing EMPTY
Testing SHORT1
Testing SHORT2
Testing SHORT3
Testing SHORT4
Testing RQNT1
Testing RQNT2
Testing DLCX
Detected packet duration: 20
Requested packetization period not set
Connection mode: 0: NONE
Testing CRCX
Dummy packets: 1
Detected packet duration: 40
Requested packetetization period: 20-20
Connection mode: 1: RECV
Testing MDCX3
Dummy packets: 1
Packet duration not set
Requested packetization period not set
Connection mode not set
Testing DLCX
Detected packet duration: 20
Requested packetization period not set
Connection mode: 0: NONE
Testing CRCX
Re-transmitting CRCX
Testing RQNT1
Re-transmitting RQNT1
Testing RQNT2
Re-transmitting RQNT2
Testing MDCX3
Re-transmitting MDCX3
Testing DLCX
Re-transmitting DLCX
Testing packet loss calculation.
Testing stat parsing
Parsing result: 0
Parsing result: 0
Testing packet error detection, patch SSRC.
Output SSRC changed to 11223344
In TS: 0, dTS: 0, Seq: 0
Out TS change: 0, dTS: 0, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 160, dTS: 160, Seq: 1
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 2
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 3
Out TS change: 0, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 10, Transit = 160
In TS: 480, dTS: 160, Seq: 4
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 9, Transit = 160
In TS: 640, dTS: 160, Seq: 5
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 8, Transit = 160
In TS: 960, dTS: 320, Seq: 6
Out TS change: 320, dTS: 320, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 18, Transit = 0
In TS: 1120, dTS: 160, Seq: 7
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 17, Transit = 0
In TS: 1280, dTS: 160, Seq: 8
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 0
In TS: 1400, dTS: 120, Seq: 9
Out TS change: 120, dTS: 120, Seq change: 1, TS Err change: in +1, out +1
Stats: Jitter = 17, Transit = 40
In TS: 1560, dTS: 160, Seq: 10
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 40
In TS: 1720, dTS: 160, Seq: 11
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 15, Transit = 40
In TS: 34688, dTS: 0, Seq: 12
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 34848, dTS: 160, Seq: 13
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35008, dTS: 160, Seq: 14
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35128, dTS: 120, Seq: 15
Out TS change: 120, dTS: 120, Seq change: 1, TS Err change: in +1, out +1
Stats: Jitter = 2, Transit = -32728
In TS: 35288, dTS: 160, Seq: 16
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35448, dTS: 160, Seq: 17
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35768, dTS: 160, Seq: 19
Out TS change: 320, dTS: 160, Seq change: 2, TS Err change: in +0, out +0
Stats: Jitter = 12, Transit = -32888
In TS: 35928, dTS: 160, Seq: 20
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 11, Transit = -32888
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 20, Transit = -33048
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 0, dTS: 160, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 29, Transit = -32888
In TS: 36248, dTS: 160, Seq: 22
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 27, Transit = -32888
In TS: 36408, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 25, Transit = -32888
In TS: 36568, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 0, TS Err change: in +1, out +1
Stats: Jitter = 24, Transit = -32888
In TS: 36728, dTS: 160, Seq: 24
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 22, Transit = -32888
In TS: 36888, dTS: 160, Seq: 25
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 21, Transit = -32888
In TS: 160000, dTS: 0, Seq: 1000
Out TS change: 12000, dTS: 12000, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160160, dTS: 160, Seq: 1001
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160320, dTS: 160, Seq: 1002
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
Testing packet error detection.
Output SSRC changed to 11223344
In TS: 0, dTS: 0, Seq: 0
Out TS change: 0, dTS: 0, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 160, dTS: 160, Seq: 1
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 2
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 3
Out TS change: 0, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 10, Transit = 160
In TS: 480, dTS: 160, Seq: 4
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 9, Transit = 160
In TS: 640, dTS: 160, Seq: 5
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 8, Transit = 160
In TS: 960, dTS: 320, Seq: 6
Out TS change: 320, dTS: 320, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 18, Transit = 0
In TS: 1120, dTS: 160, Seq: 7
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 17, Transit = 0
In TS: 1280, dTS: 160, Seq: 8
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 0
In TS: 1400, dTS: 120, Seq: 9
Out TS change: 120, dTS: 120, Seq change: 1, TS Err change: in +1, out +1
Stats: Jitter = 17, Transit = 40
In TS: 1560, dTS: 160, Seq: 10
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 40
In TS: 1720, dTS: 160, Seq: 11
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 15, Transit = 40
Output SSRC changed to 10203040
In TS: 34688, dTS: 0, Seq: 12
Out TS change: 32968, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 34848, dTS: 160, Seq: 13
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35008, dTS: 160, Seq: 14
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35128, dTS: 120, Seq: 15
Out TS change: 120, dTS: 120, Seq change: 1, TS Err change: in +1, out +1
Stats: Jitter = 2, Transit = -32728
In TS: 35288, dTS: 160, Seq: 16
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35448, dTS: 160, Seq: 17
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35768, dTS: 160, Seq: 19
Out TS change: 320, dTS: 160, Seq change: 2, TS Err change: in +0, out +0
Stats: Jitter = 12, Transit = -32888
In TS: 35928, dTS: 160, Seq: 20
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 11, Transit = -32888
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 20, Transit = -33048
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 0, dTS: 160, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 29, Transit = -32888
In TS: 36248, dTS: 160, Seq: 22
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 27, Transit = -32888
In TS: 36408, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 25, Transit = -32888
In TS: 36568, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 0, TS Err change: in +1, out +1
Stats: Jitter = 24, Transit = -32888
In TS: 36728, dTS: 160, Seq: 24
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 22, Transit = -32888
In TS: 36888, dTS: 160, Seq: 25
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 21, Transit = -32888
Output SSRC changed to 50607080
In TS: 160000, dTS: 0, Seq: 1000
Out TS change: 123112, dTS: 160, Seq change: 975, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160160, dTS: 160, Seq: 1001
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160320, dTS: 160, Seq: 1002
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
Testing packet error detection, patch timestamps.
Output SSRC changed to 11223344
In TS: 0, dTS: 0, Seq: 0
Out TS change: 0, dTS: 0, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 160, dTS: 160, Seq: 1
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 2
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 3
Out TS change: 0, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 10, Transit = 160
In TS: 480, dTS: 160, Seq: 4
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 9, Transit = 160
In TS: 640, dTS: 160, Seq: 5
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 8, Transit = 160
In TS: 960, dTS: 320, Seq: 6
Out TS change: 320, dTS: 320, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 18, Transit = 0
In TS: 1120, dTS: 160, Seq: 7
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 17, Transit = 0
In TS: 1280, dTS: 160, Seq: 8
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 0
In TS: 1400, dTS: 120, Seq: 9
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +1, out +0
Stats: Jitter = 17, Transit = 40
In TS: 1560, dTS: 160, Seq: 10
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 40
In TS: 1720, dTS: 160, Seq: 11
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 15, Transit = 40
Output SSRC changed to 10203040
In TS: 34688, dTS: 0, Seq: 12
Out TS change: 32968, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 34848, dTS: 160, Seq: 13
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35008, dTS: 160, Seq: 14
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35128, dTS: 120, Seq: 15
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +1, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35288, dTS: 160, Seq: 16
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35448, dTS: 160, Seq: 17
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35768, dTS: 160, Seq: 19
Out TS change: 320, dTS: 160, Seq change: 2, TS Err change: in +0, out +0
Stats: Jitter = 12, Transit = -32888
In TS: 35928, dTS: 160, Seq: 20
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 11, Transit = -32888
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 20, Transit = -33048
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 0, dTS: 160, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 29, Transit = -32888
In TS: 36248, dTS: 160, Seq: 22
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 27, Transit = -32888
In TS: 36408, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 25, Transit = -32888
In TS: 36568, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 0, TS Err change: in +1, out +1
Stats: Jitter = 24, Transit = -32888
In TS: 36728, dTS: 160, Seq: 24
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 22, Transit = -32888
In TS: 36888, dTS: 160, Seq: 25
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 21, Transit = -32888
Output SSRC changed to 50607080
In TS: 160000, dTS: 0, Seq: 1000
Out TS change: 123112, dTS: 160, Seq change: 975, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160160, dTS: 160, Seq: 1001
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160320, dTS: 160, Seq: 1002
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
Testing packet error detection, patch SSRC, patch timestamps.
Output SSRC changed to 11223344
In TS: 0, dTS: 0, Seq: 0
Out TS change: 0, dTS: 0, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 160, dTS: 160, Seq: 1
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 2
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = 0
In TS: 320, dTS: 160, Seq: 3
Out TS change: 0, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 10, Transit = 160
In TS: 480, dTS: 160, Seq: 4
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 9, Transit = 160
In TS: 640, dTS: 160, Seq: 5
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 8, Transit = 160
In TS: 960, dTS: 320, Seq: 6
Out TS change: 320, dTS: 320, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 18, Transit = 0
In TS: 1120, dTS: 160, Seq: 7
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 17, Transit = 0
In TS: 1280, dTS: 160, Seq: 8
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 0
In TS: 1400, dTS: 120, Seq: 9
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +1, out +0
Stats: Jitter = 17, Transit = 40
In TS: 1560, dTS: 160, Seq: 10
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 16, Transit = 40
In TS: 1720, dTS: 160, Seq: 11
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 15, Transit = 40
In TS: 34688, dTS: 0, Seq: 12
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 34848, dTS: 160, Seq: 13
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35008, dTS: 160, Seq: 14
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -32768
In TS: 35128, dTS: 120, Seq: 15
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +1, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35288, dTS: 160, Seq: 16
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35448, dTS: 160, Seq: 17
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 2, Transit = -32728
In TS: 35768, dTS: 160, Seq: 19
Out TS change: 320, dTS: 160, Seq change: 2, TS Err change: in +0, out +0
Stats: Jitter = 12, Transit = -32888
In TS: 35928, dTS: 160, Seq: 20
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 11, Transit = -32888
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 20, Transit = -33048
In TS: 36088, dTS: 160, Seq: 21
Out TS change: 0, dTS: 160, Seq change: 0, TS Err change: in +0, out +0
Stats: Jitter = 29, Transit = -32888
In TS: 36248, dTS: 160, Seq: 22
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 27, Transit = -32888
In TS: 36408, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 25, Transit = -32888
In TS: 36568, dTS: 160, Seq: 23
Out TS change: 160, dTS: 160, Seq change: 0, TS Err change: in +1, out +1
Stats: Jitter = 24, Transit = -32888
In TS: 36728, dTS: 160, Seq: 24
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 22, Transit = -32888
In TS: 36888, dTS: 160, Seq: 25
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 21, Transit = -32888
In TS: 160000, dTS: 0, Seq: 1000
Out TS change: 12000, dTS: 12000, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160160, dTS: 160, Seq: 1001
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
In TS: 160320, dTS: 160, Seq: 1002
Out TS change: 160, dTS: 160, Seq change: 1, TS Err change: in +0, out +0
Stats: Jitter = 0, Transit = -144000
Testing multiple payload types
Testing no sequence flow on initial packet
Testing no rtpmap name
Done

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@ -1,662 +0,0 @@
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <err.h>
#include <stdint.h>
#include <errno.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/application.h>
#include <osmocom/netif/rtp.h>
#include <osmocom/legacy_mgcp/mgcp.h>
#include <osmocom/legacy_mgcp/mgcp_internal.h>
#include "bscconfig.h"
#ifndef BUILD_MGCP_TRANSCODING
#error "Requires MGCP transcoding enabled (see --enable-mgcp-transcoding)"
#endif
#include <osmocom/legacy_mgcp/mgcp_transcode.h>
uint8_t *audio_frame_l16[] = {
};
struct rtp_packets {
float t;
int len;
char *data;
};
struct rtp_packets audio_packets_l16[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 332,
"\x80\x0B\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
"\x00\x00\x40\x13\x5A\x9E\x40\x13\x00\x00\xBF\xED\xA5\x62\xBF\xED"
},
};
struct rtp_packets audio_packets_gsm[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 45,
"\x80\x03\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xD4\x7C\xE3\xE9\x62\x50\x39\xF0\xF8\xB4\x68\xEA\x6C\x0E\x81\x1B"
"\x56\x2A\xD5\xBC\x69\x9C\xD1\xF0\x66\x7A\xEC\x49\x7A\x33\x3D\x0A"
"\xDE"
},
};
struct rtp_packets audio_packets_gsm_invalid_size[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 41,
"\x80\x03\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xD4\x7C\xE3\xE9\x62\x50\x39\xF0\xF8\xB4\x68\xEA\x6C\x0E\x81\x1B"
"\x56\x2A\xD5\xBC\x69\x9C\xD1\xF0\x66\x7A\xEC\x49\x7A\x33\x3D\x0A"
"\xDE"
},
};
struct rtp_packets audio_packets_gsm_invalid_data[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 45,
"\x80\x03\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE"
"\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE\xEE"
"\xEE"
},
};
struct rtp_packets audio_packets_gsm_invalid_ptype[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 45,
"\x80\x08\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xD4\x7C\xE3\xE9\x62\x50\x39\xF0\xF8\xB4\x68\xEA\x6C\x0E\x81\x1B"
"\x56\x2A\xD5\xBC\x69\x9C\xD1\xF0\x66\x7A\xEC\x49\x7A\x33\x3D\x0A"
"\xDE"
},
};
struct rtp_packets audio_packets_g729[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 32,
"\x80\x12\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xAF\xC2\x81\x40\x00\xFA\xCE\xA4\x21\x7C\xC5\xC3\x4F\xA5\x98\xF5"
"\xB2\x95\xC4\xAD"
},
};
struct rtp_packets audio_packets_pcma[] = {
/* RTP: SeqNo=1, TS=160 */
{0.020000, 172,
"\x80\x08\x00\x01\x00\x00\x00\xA0\x11\x22\x33\x44"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
"\xD5\xA5\xA3\xA5\xD5\x25\x23\x25\xD5\xA5\xA3\xA5\xD5\x25\x23\x25"
},
/* RTP: SeqNo=26527, TS=232640 */
{0.020000, 92,
"\x80\x08\x67\x9f\x00\x03\x8c\xc0\x04\xaa\x67\x9f\xd5\xd5\xd5\xd5"
"\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5"
"\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5"
"\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5\xd5"
"\xd5\xd5\xd5\xd5\xd5\xd5\x55\x55\xd5\xd5\x55\x55\xd5\xd5\x55\x55"
"\xd5\xd5\xd5\x55\x55\xd5\xd5\xd5\x55\x55\xd5\xd5"
},
/* RTP: SeqNo=26528, TS=232720 */
{0.020000, 92,
"\x80\x08\x67\xa0\x00\x03\x8d\x10\x04\xaa\x67\x9f\x55\xd5\xd5\x55"
"\xd5\x55\xd5\xd5\xd5\x55\xd5\x55\xd5\xd5\x55\xd5\x55\xd5\x55\xd5"
"\x55\x55\xd5\x55\xd5\xd5\x55\x55\x55\x55\x55\xd5\xd5\x55\xd5\xd5"
"\xd5\x55\xd5\xd5\xd5\x55\x54\x55\xd5\xd5\x55\xd5\xd5\xd5\xd5\x55"
"\x54\x55\xd5\x55\xd5\x55\x55\x55\x55\x55\xd5\xd5\xd5\xd5\xd5\xd4"
"\xd5\x54\x55\xd5\xd4\xd5\x54\xd5\x55\xd5\xd5\xd5"
},
};
static int audio_name_to_type(const char *name)
{
if (!strcasecmp(name, "gsm"))
return 3;
#ifdef HAVE_BCG729
else if (!strcasecmp(name, "g729"))
return 18;
#endif
else if (!strcasecmp(name, "pcma"))
return 8;
else if (!strcasecmp(name, "l16"))
return 11;
return -1;
}
int mgcp_get_trans_frame_size(void *state_, int nsamples, int dst);
static int given_configured_endpoint(int in_samples, int out_samples,
const char *srcfmt, const char *dstfmt,
void **out_ctx, struct mgcp_endpoint **out_endp)
{
int rc;
struct mgcp_rtp_end *dst_end;
struct mgcp_rtp_end *src_end;
struct mgcp_config *cfg;
struct mgcp_trunk_config *tcfg;
struct mgcp_endpoint *endp;
cfg = mgcp_config_alloc();
tcfg = talloc_zero(cfg, struct mgcp_trunk_config);
endp = talloc_zero(tcfg, struct mgcp_endpoint);
cfg->setup_rtp_processing_cb = mgcp_transcoding_setup;
cfg->rtp_processing_cb = mgcp_transcoding_process_rtp;
cfg->get_net_downlink_format_cb = mgcp_transcoding_net_downlink_format;
tcfg->endpoints = endp;
tcfg->number_endpoints = 1;
tcfg->cfg = cfg;
endp->tcfg = tcfg;
endp->cfg = cfg;
mgcp_initialize_endp(endp);
dst_end = &endp->bts_end;
dst_end->codec.payload_type = audio_name_to_type(dstfmt);
src_end = &endp->net_end;
src_end->codec.payload_type = audio_name_to_type(srcfmt);
if (out_samples) {
dst_end->codec.frame_duration_den = dst_end->codec.rate;
dst_end->codec.frame_duration_num = out_samples;
dst_end->frames_per_packet = 1;
dst_end->force_output_ptime = 1;
}
rc = mgcp_transcoding_setup(endp, dst_end, src_end);
if (rc < 0) {
printf("setup failed: %s", strerror(-rc));
abort();
}
*out_ctx = cfg;
*out_endp = endp;
return 0;
}
static int transcode_test(const char *srcfmt, const char *dstfmt,
uint8_t *src_pkts, size_t src_pkt_size)
{
char buf[4096] = {0x80, 0};
void *ctx;
struct mgcp_rtp_end *dst_end;
struct mgcp_process_rtp_state *state;
struct mgcp_endpoint *endp;
int in_size;
const int in_samples = 160;
int len, cont;
printf("== Transcoding test ==\n");
printf("converting %s -> %s\n", srcfmt, dstfmt);
given_configured_endpoint(in_samples, 0, srcfmt, dstfmt, &ctx, &endp);
dst_end = &endp->bts_end;
state = dst_end->rtp_process_data;
OSMO_ASSERT(state != NULL);
in_size = mgcp_transcoding_get_frame_size(state, in_samples, 0);
OSMO_ASSERT(sizeof(buf) >= in_size + 12);
memcpy(buf, src_pkts, src_pkt_size);
len = src_pkt_size;
cont = mgcp_transcoding_process_rtp(endp, dst_end,
buf, &len, sizeof(buf));
if (cont < 0) {
printf("Nothing encoded due: %s\n", strerror(-cont));
talloc_free(ctx);
return -1;
}
if (len < 24) {
printf("encoded: %s\n", osmo_hexdump((unsigned char *)buf, len));
} else {
const char *str = osmo_hexdump((unsigned char *)buf, len);
int i = 0;
const int prefix = 4;
const int cutlen = 48;
int nchars = 0;
printf("encoded:\n");
do {
nchars = printf("%*s%-.*s", prefix, "", cutlen, str + i);
i += nchars - prefix;
printf("\n");
} while (nchars - prefix >= cutlen);
}
printf("counted: %d\n", cont);
talloc_free(ctx);
return 0;
}
static void test_rtp_seq_state(void)
{
char buf[4096];
int len;
int cont;
void *ctx;
struct mgcp_endpoint *endp;
struct mgcp_process_rtp_state *state;
struct rtp_hdr *hdr;
uint32_t ts_no;
uint16_t seq_no;
given_configured_endpoint(160, 0, "pcma", "l16", &ctx, &endp);
state = endp->bts_end.rtp_process_data;
OSMO_ASSERT(!state->is_running);
OSMO_ASSERT(state->next_seq == 0);
OSMO_ASSERT(state->next_time == 0);
/* initialize packet */
len = audio_packets_pcma[0].len;
memcpy(buf, audio_packets_pcma[0].data, len);
cont = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, len);
OSMO_ASSERT(cont >= 0);
OSMO_ASSERT(state->is_running);
OSMO_ASSERT(state->next_seq == 2);
OSMO_ASSERT(state->next_time == 240);
/* verify that the right timestamp was written */
OSMO_ASSERT(len == audio_packets_pcma[0].len);
hdr = (struct rtp_hdr *) &buf[0];
memcpy(&ts_no, &hdr->timestamp, sizeof(ts_no));
OSMO_ASSERT(htonl(ts_no) == 160);
memcpy(&seq_no, &hdr->sequence, sizeof(seq_no));
OSMO_ASSERT(htons(seq_no) == 1);
/* Check the right sequence number is written */
state->next_seq = 1234;
len = audio_packets_pcma[0].len;
memcpy(buf, audio_packets_pcma[0].data, len);
cont = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, len);
OSMO_ASSERT(cont >= 0);
OSMO_ASSERT(len == audio_packets_pcma[0].len);
hdr = (struct rtp_hdr *) &buf[0];
memcpy(&seq_no, &hdr->sequence, sizeof(seq_no));
OSMO_ASSERT(htons(seq_no) == 1234);
talloc_free(ctx);
}
static void test_transcode_result(void)
{
char buf[4096];
int len, res;
void *ctx;
struct mgcp_endpoint *endp;
struct mgcp_process_rtp_state *state;
{
/* from GSM to PCMA and same ptime */
given_configured_endpoint(160, 0, "gsm", "pcma", &ctx, &endp);
state = endp->bts_end.rtp_process_data;
/* result */
len = audio_packets_gsm[0].len;
memcpy(buf, audio_packets_gsm[0].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == sizeof(struct rtp_hdr));
OSMO_ASSERT(state->sample_cnt == 0);
len = res;
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == -ENOMSG);
talloc_free(ctx);
}
{
/* from GSM to PCMA and same ptime */
given_configured_endpoint(160, 160, "gsm", "pcma", &ctx, &endp);
state = endp->bts_end.rtp_process_data;
/* result */
len = audio_packets_gsm[0].len;
memcpy(buf, audio_packets_gsm[0].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == sizeof(struct rtp_hdr));
OSMO_ASSERT(state->sample_cnt == 0);
len = res;
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == -EAGAIN);
talloc_free(ctx);
}
{
/* from PCMA to GSM and wrong different ptime */
given_configured_endpoint(80, 160, "pcma", "gsm", &ctx, &endp);
state = endp->bts_end.rtp_process_data;
/* Add the first sample */
len = audio_packets_pcma[1].len;
memcpy(buf, audio_packets_pcma[1].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(state->sample_cnt == 80);
OSMO_ASSERT(state->next_time == 232640);
OSMO_ASSERT(res < 0);
/* Add the second sample and it should be consumable */
len = audio_packets_pcma[2].len;
memcpy(buf, audio_packets_pcma[2].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(state->sample_cnt == 0);
OSMO_ASSERT(state->next_time == 232640 + 80 + 160);
OSMO_ASSERT(res == sizeof(struct rtp_hdr));
talloc_free(ctx);
}
{
/* from PCMA to GSM with a big time jump */
struct rtp_hdr *hdr;
uint32_t ts;
given_configured_endpoint(80, 160, "pcma", "gsm", &ctx, &endp);
state = endp->bts_end.rtp_process_data;
/* Add the first sample */
len = audio_packets_pcma[1].len;
memcpy(buf, audio_packets_pcma[1].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(state->sample_cnt == 80);
OSMO_ASSERT(state->next_time == 232640);
OSMO_ASSERT(state->next_seq == 26527);
OSMO_ASSERT(res < 0);
/* Add a skip to the packet to force a 'resync' */
len = audio_packets_pcma[2].len;
memcpy(buf, audio_packets_pcma[2].data, len);
hdr = (struct rtp_hdr *) &buf[0];
/* jump the time and add alignment error */
ts = ntohl(hdr->timestamp) + 123 * 80 + 2;
hdr->timestamp = htonl(ts);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res < 0);
OSMO_ASSERT(state->sample_cnt == 80);
OSMO_ASSERT(state->next_time == ts);
OSMO_ASSERT(state->next_seq == 26527);
/* TODO: this can create alignment errors */
/* Now attempt to consume 160 samples */
len = audio_packets_pcma[2].len;
memcpy(buf, audio_packets_pcma[2].data, len);
hdr = (struct rtp_hdr *) &buf[0];
ts += 80;
hdr->timestamp = htonl(ts);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == 12);
OSMO_ASSERT(state->sample_cnt == 0);
OSMO_ASSERT(state->next_time == ts + 160);
OSMO_ASSERT(state->next_seq == 26528);
talloc_free(ctx);
}
}
static void test_transcode_change(void)
{
char buf[4096] = {0x80, 0};
void *ctx;
struct mgcp_endpoint *endp;
struct mgcp_process_rtp_state *state;
struct rtp_hdr *hdr;
int len, res;
{
/* from GSM to PCMA and same ptime */
printf("Testing Initial L16->GSM, PCMA->GSM\n");
given_configured_endpoint(160, 0, "l16", "gsm", &ctx, &endp);
endp->net_end.alt_codec = endp->net_end.codec;
endp->net_end.alt_codec.payload_type = audio_name_to_type("pcma");
state = endp->bts_end.rtp_process_data;
/* initial transcoding work */
OSMO_ASSERT(state->src_fmt == AF_L16);
OSMO_ASSERT(state->dst_fmt == AF_GSM);
OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 8);
OSMO_ASSERT(endp->net_end.codec.payload_type == 11);
/* result */
len = audio_packets_pcma[0].len;
memcpy(buf, audio_packets_pcma[0].data, len);
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
state = endp->bts_end.rtp_process_data;
OSMO_ASSERT(res == sizeof(struct rtp_hdr));
OSMO_ASSERT(state->sample_cnt == 0);
OSMO_ASSERT(state->src_fmt == AF_PCMA);
OSMO_ASSERT(state->dst_fmt == AF_GSM);
OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 11);
OSMO_ASSERT(endp->net_end.codec.payload_type == 8);
len = res;
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(res == -ENOMSG);
OSMO_ASSERT(state == endp->bts_end.rtp_process_data);
/* now check that comfort noise doesn't change anything */
len = audio_packets_pcma[1].len;
memcpy(buf, audio_packets_pcma[1].data, len);
hdr = (struct rtp_hdr *) buf;
hdr->payload_type = 12;
res = mgcp_transcoding_process_rtp(endp, &endp->bts_end, buf, &len, ARRAY_SIZE(buf));
OSMO_ASSERT(state == endp->bts_end.rtp_process_data);
OSMO_ASSERT(state->sample_cnt == 80);
OSMO_ASSERT(state->src_fmt == AF_PCMA);
OSMO_ASSERT(state->dst_fmt == AF_GSM);
OSMO_ASSERT(endp->net_end.alt_codec.payload_type == 11);
OSMO_ASSERT(endp->net_end.codec.payload_type == 8);
talloc_free(ctx);
}
}
static int test_repacking(int in_samples, int out_samples, int no_transcode)
{
char buf[4096] = {0x80, 0};
int cc;
struct mgcp_endpoint *endp;
void *ctx;
struct mgcp_process_rtp_state *state;
int in_cnt;
int out_size;
int in_size;
uint32_t ts = 0;
uint16_t seq = 0;
const char *srcfmt = "pcma";
const char *dstfmt = no_transcode ? "pcma" : "l16";
printf("== Transcoding test ==\n");
printf("converting %s -> %s\n", srcfmt, dstfmt);
given_configured_endpoint(in_samples, out_samples, srcfmt, dstfmt, &ctx, &endp);
state = endp->bts_end.rtp_process_data;
OSMO_ASSERT(state != NULL);
in_size = mgcp_transcoding_get_frame_size(state, in_samples, 0);
OSMO_ASSERT(sizeof(buf) >= in_size + 12);
out_size = mgcp_transcoding_get_frame_size(state, -1, 1);
OSMO_ASSERT(sizeof(buf) >= out_size + 12);
buf[1] = endp->net_end.codec.payload_type;
*(uint16_t*)(buf+2) = htons(1);
*(uint32_t*)(buf+4) = htonl(0);
*(uint32_t*)(buf+8) = htonl(0xaabbccdd);
for (in_cnt = 0; in_cnt < 16; in_cnt++) {
int cont;
int len;
/* fake PCMA data */
printf("generating %d %s input samples\n", in_samples, srcfmt);
for (cc = 0; cc < in_samples; cc++)
buf[12+cc] = cc;
*(uint16_t*)(buf+2) = htonl(seq);
*(uint32_t*)(buf+4) = htonl(ts);
seq += 1;
ts += in_samples;
cc += 12; /* include RTP header */
len = cc;
do {
cont = mgcp_transcoding_process_rtp(endp, &endp->bts_end,
buf, &len, sizeof(buf));
if (cont == -EAGAIN) {
fprintf(stderr, "Got EAGAIN\n");
break;
}
if (cont < 0) {
printf("processing failed: %s", strerror(-cont));
abort();
}
len -= 12; /* ignore RTP header */
printf("got %d %s output frames (%d octets) count=%d\n",
len / out_size, dstfmt, len, cont);
len = cont;
} while (len > 0);
}
talloc_free(ctx);
return 0;
}
static const struct log_info_cat log_categories[] = {
};
const struct log_info log_info = {
.cat = log_categories,
.num_cat = ARRAY_SIZE(log_categories),
};
int main(int argc, char **argv)
{
int rc;
void *ctx = talloc_named_const(NULL, 0, "mgcp_transcoding_test");
osmo_init_logging2(ctx, &log_info);
printf("=== Transcoding Good Cases ===\n");
transcode_test("l16", "l16",
(uint8_t *)audio_packets_l16[0].data,
audio_packets_l16[0].len);
transcode_test("l16", "gsm",
(uint8_t *)audio_packets_l16[0].data,
audio_packets_l16[0].len);
transcode_test("l16", "pcma",
(uint8_t *)audio_packets_l16[0].data,
audio_packets_l16[0].len);
transcode_test("gsm", "l16",
(uint8_t *)audio_packets_gsm[0].data,
audio_packets_gsm[0].len);
transcode_test("gsm", "gsm",
(uint8_t *)audio_packets_gsm[0].data,
audio_packets_gsm[0].len);
transcode_test("gsm", "pcma",
(uint8_t *)audio_packets_gsm[0].data,
audio_packets_gsm[0].len);
transcode_test("pcma", "l16",
(uint8_t *)audio_packets_pcma[0].data,
audio_packets_pcma[0].len);
transcode_test("pcma", "gsm",
(uint8_t *)audio_packets_pcma[0].data,
audio_packets_pcma[0].len);
transcode_test("pcma", "pcma",
(uint8_t *)audio_packets_pcma[0].data,
audio_packets_pcma[0].len);
printf("=== Transcoding Bad Cases ===\n");
printf("Invalid size:\n");
rc = transcode_test("gsm", "pcma",
(uint8_t *)audio_packets_gsm_invalid_size[0].data,
audio_packets_gsm_invalid_size[0].len);
OSMO_ASSERT(rc < 0);
printf("Invalid data:\n");
rc = transcode_test("gsm", "pcma",
(uint8_t *)audio_packets_gsm_invalid_data[0].data,
audio_packets_gsm_invalid_data[0].len);
OSMO_ASSERT(rc < 0);
printf("Invalid payload type:\n");
rc = transcode_test("gsm", "pcma",
(uint8_t *)audio_packets_gsm_invalid_ptype[0].data,
audio_packets_gsm_invalid_ptype[0].len);
OSMO_ASSERT(rc == 0);
printf("=== Repacking ===\n");
test_repacking(160, 160, 0);
test_repacking(160, 160, 1);
test_repacking(160, 80, 0);
test_repacking(160, 80, 1);
test_repacking(160, 320, 0);
test_repacking(160, 320, 1);
test_repacking(160, 240, 0);
test_repacking(160, 240, 1);
test_repacking(160, 100, 0);
test_repacking(160, 100, 1);
test_rtp_seq_state();
test_transcode_result();
test_transcode_change();
return 0;
}

View File

@ -1,539 +0,0 @@
=== Transcoding Good Cases ===
== Transcoding test ==
converting l16 -> l16
encoded:
80 0b 00 01 00 00 00 a0 11 22 33 44 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed 00 00 40 13
5a 9e 40 13 00 00 bf ed a5 62 bf ed
counted: 0
== Transcoding test ==
converting l16 -> gsm
encoded:
80 0b 00 01 00 00 00 a0 11 22 33 44 d4 7c e3 e9
62 50 39 f0 f8 b4 68 ea 6c 0e 81 1b 56 2a d5 bc
69 9c d1 f0 66 7a ec 49 7a 33 3d 0a de
counted: 12
== Transcoding test ==
converting l16 -> pcma
encoded:
80 0b 00 01 00 00 00 a0 11 22 33 44 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25
counted: 12
== Transcoding test ==
converting gsm -> l16
encoded:
80 03 00 01 00 00 00 a0 11 22 33 44 00 00 54 00
59 f0 34 20 c4 c8 b9 f8 e2 18 f1 e8 f2 28 f0 e0
46 08 4f 80 2c a0 a9 c8 80 00 c0 58 3f 80 63 c0
24 b8 fa b8 f6 88 0b a0 c8 70 a8 b0 c8 c0 3b a8
66 a0 2e 38 d1 f8 98 98 aa 18 e8 30 26 a0 37 40
37 e8 17 00 ee 50 b7 80 b1 88 de 28 18 40 45 b0
4f 48 21 d8 df 78 ae 68 ab 98 d6 b8 18 18 48 90
4e 70 27 40 e8 10 b5 b0 ac 80 d4 60 14 50 48 48
50 10 2a 00 ec 08 ba 00 af 58 d1 c0 10 60 45 c8
54 10 30 78 f1 a8 bb 18 ad 48 ce 30 0a e8 3f 30
4f 10 32 18 f6 18 bf 20 ac 30 cd 80 0b d0 43 d8
55 e0 34 a0 f5 78 bc 98 ad 98 cd c8 0a 80 40 58
51 c0 35 40 f9 60 c1 68 ac c8 cb 38 08 00 40 98
51 e0 34 d8 fa 28 c2 f0 ae 40 c7 70 02 d0 3c a8
54 78 38 a0 fc 68 c2 08 ad 50 c7 78 01 60 39 c0
51 38 3a e8 00 e8 c6 38 ab d8 c4 00 fe 08 39 18
50 30 39 50 01 d8 ca 70 b1 80 c4 c8 fc 58 36 40
51 d8 3b 08 02 80 c8 58 b0 60 c5 a8 fb d0 33 e8
4e 80 3c e0 06 10 cb 90 ae 48 c2 60 f9 58 34 08
4d a0 3a a8 06 48 cf 80 b4 60 c3 e8 f7 90 30 18
4d a0 3b 98 07 90 cf 18 b4 68 c4 88
counted: 12
== Transcoding test ==
converting gsm -> gsm
encoded:
80 03 00 01 00 00 00 a0 11 22 33 44 d4 7c e3 e9
62 50 39 f0 f8 b4 68 ea 6c 0e 81 1b 56 2a d5 bc
69 9c d1 f0 66 7a ec 49 7a 33 3d 0a de
counted: 0
== Transcoding test ==
converting gsm -> pcma
encoded:
80 03 00 01 00 00 00 a0 11 22 33 44 d5 a0 a3 bf
38 24 08 19 1e 1b a4 a6 b3 20 2a 3a ba ad b7 60
17 92 3e 20 3e b8 ac b2 32 2c 20 02 b6 be be 82
04 27 26 35 8d a4 a6 b5 35 21 20 31 8d a7 a6 b6
02 27 21 30 81 a7 a1 b0 06 24 21 32 85 a4 a0 bd
19 24 21 3d 90 ba a6 bc 16 25 21 3c 92 a5 a0 bf
10 25 21 3c 90 a5 a1 bf 6f 3a 21 3f 95 a5 a1 bf
62 3b 21 39 f3 bb a0 b9 79 3b 21 39 c3 b9 a1 b8
db 39 20 3b 4a b9 a1 b9 c8 3f 26 38 78 be a1 b8
f1 3e 26 38 65 bc a6 bb ed 3f 21 3b 6f bf a6 b8
ec 3d 27 3b 15 bd a6 b8 eb 3d 27 38
counted: 12
== Transcoding test ==
converting pcma -> l16
encoded:
80 08 00 01 00 00 00 a0 11 22 33 44 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00 00 08 42 00
5a 00 42 00 00 08 be 00 a6 00 be 00
counted: 12
== Transcoding test ==
converting pcma -> gsm
encoded:
80 08 00 01 00 00 00 a0 11 22 33 44 d4 b9 f4 5d
d9 50 5a e1 a0 cd 76 ea 52 0e 87 53 ad d4 ea a2
0a 63 ca e9 60 79 e2 2a 25 d2 c0 f3 39
counted: 12
== Transcoding test ==
converting pcma -> pcma
encoded:
80 08 00 01 00 00 00 a0 11 22 33 44 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25 d5 a5 a3 a5
d5 25 23 25 d5 a5 a3 a5 d5 25 23 25
counted: 0
=== Transcoding Bad Cases ===
Invalid size:
== Transcoding test ==
converting gsm -> pcma
Nothing encoded due: No message of desired type
Invalid data:
== Transcoding test ==
converting gsm -> pcma
Nothing encoded due: No message of desired type
Invalid payload type:
== Transcoding test ==
converting gsm -> pcma
encoded:
80 08 00 01 00 00 00 a0 11 22 33 44 d5 a0 a3 bf
38 24 08 19 1e 1b a4 a6 b3 20 2a 3a ba ad b7 60
17 92 3e 20 3e b8 ac b2 32 2c 20 02 b6 be be 82
04 27 26 35 8d a4 a6 b5 35 21 20 31 8d a7 a6 b6
02 27 21 30 81 a7 a1 b0 06 24 21 32 85 a4 a0 bd
19 24 21 3d 90 ba a6 bc 16 25 21 3c 92 a5 a0 bf
10 25 21 3c 90 a5 a1 bf 6f 3a 21 3f 95 a5 a1 bf
62 3b 21 39 f3 bb a0 b9 79 3b 21 39 c3 b9 a1 b8
db 39 20 3b 4a b9 a1 b9 c8 3f 26 38 78 be a1 b8
f1 3e 26 38 65 bc a6 bb ed 3f 21 3b 6f bf a6 b8
ec 3d 27 3b 15 bd a6 b8 eb 3d 27 38
counted: 12
=== Repacking ===
== Transcoding test ==
converting pcma -> l16
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
generating 160 pcma input samples
got 2 l16 output frames (320 octets) count=12
== Transcoding test ==
converting pcma -> pcma
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
generating 160 pcma input samples
got 2 pcma output frames (160 octets) count=12
== Transcoding test ==
converting pcma -> l16
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
== Transcoding test ==
converting pcma -> pcma
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
== Transcoding test ==
converting pcma -> l16
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 l16 output frames (640 octets) count=12
== Transcoding test ==
converting pcma -> pcma
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 4 pcma output frames (320 octets) count=12
== Transcoding test ==
converting pcma -> l16
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 l16 output frames (480 octets) count=12
== Transcoding test ==
converting pcma -> pcma
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
generating 160 pcma input samples
generating 160 pcma input samples
got 3 pcma output frames (240 octets) count=12
== Transcoding test ==
converting pcma -> l16
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
generating 160 pcma input samples
got 1 l16 output frames (160 octets) count=12
got 1 l16 output frames (160 octets) count=12
== Transcoding test ==
converting pcma -> pcma
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
generating 160 pcma input samples
got 1 pcma output frames (80 octets) count=12
got 1 pcma output frames (80 octets) count=12
Testing Initial L16->GSM, PCMA->GSM

View File

@ -1,19 +1,6 @@
AT_INIT AT_INIT
AT_BANNER([Regression tests.]) AT_BANNER([Regression tests.])
AT_SETUP([legacy_mgcp])
AT_KEYWORDS([legacy_mgcp])
cat $abs_srcdir/legacy_mgcp/mgcp_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/legacy_mgcp/mgcp_test], [], [expout], [ignore])
AT_CLEANUP
AT_SETUP([legacy_mgcp-trans])
AT_KEYWORDS([legacy_mgcp-trans])
AT_CHECK([test "$enable_mgcp_transcoding_test" == yes || exit 77])
cat $abs_srcdir/legacy_mgcp/mgcp_transcoding_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/legacy_mgcp/mgcp_transcoding_test], [], [expout], [ignore])
AT_CLEANUP
AT_SETUP([mgcp_client]) AT_SETUP([mgcp_client])
AT_KEYWORDS([mgcp_client]) AT_KEYWORDS([mgcp_client])
cat $abs_srcdir/mgcp_client/mgcp_client_test.ok > expout cat $abs_srcdir/mgcp_client/mgcp_client_test.ok > expout

View File

@ -1,171 +0,0 @@
#!/usr/bin/env python
# (C) 2013 by Katerina Barone-Adesi <kat.obsc@gmail.com>
# (C) 2013 by Holger Hans Peter Freyther
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os, sys
import time
import unittest
import socket
import subprocess
import osmopy.obscvty as obscvty
import osmopy.osmoutil as osmoutil
# add $top_srcdir/contrib to find ipa.py
sys.path.append(os.path.join(sys.path[0], '..', 'contrib'))
from ipa import IPA
# to be able to find $top_srcdir/doc/...
confpath = os.path.join(sys.path[0], '..')
class TestVTYBase(unittest.TestCase):
def checkForEndAndExit(self):
res = self.vty.command("list")
#print ('looking for "exit"\n')
self.assert_(res.find(' exit\r') > 0)
#print 'found "exit"\nlooking for "end"\n'
self.assert_(res.find(' end\r') > 0)
#print 'found "end"\n'
def vty_command(self):
raise Exception("Needs to be implemented by a subclass")
def vty_app(self):
raise Exception("Needs to be implemented by a subclass")
def setUp(self):
osmo_vty_cmd = self.vty_command()[:]
config_index = osmo_vty_cmd.index('-c')
if config_index:
cfi = config_index + 1
osmo_vty_cmd[cfi] = os.path.join(confpath, osmo_vty_cmd[cfi])
try:
self.proc = osmoutil.popen_devnull(osmo_vty_cmd)
except OSError:
print >> sys.stderr, "Current directory: %s" % os.getcwd()
print >> sys.stderr, "Consider setting -b"
appstring = self.vty_app()[2]
appport = self.vty_app()[0]
self.vty = obscvty.VTYInteract(appstring, "127.0.0.1", appport)
def tearDown(self):
if self.vty:
self.vty._close_socket()
self.vty = None
osmoutil.end_proc(self.proc)
class TestVTYMGCP(TestVTYBase):
def vty_command(self):
return ["./src/osmo-bsc_mgcp/osmo-bsc_mgcp", "-c",
"doc/examples/osmo-bsc_mgcp/mgcp.cfg"]
def vty_app(self):
return (4243, "./src/osmo-bsc_mgcp/osmo-bsc_mgcp", "OpenBSC MGCP", "mgcp")
def testForcePtime(self):
self.vty.enable()
res = self.vty.command("show running-config")
self.assert_(res.find(' rtp force-ptime 20\r') > 0)
self.assertEquals(res.find(' no rtp force-ptime\r'), -1)
self.vty.command("configure terminal")
self.vty.command("mgcp")
self.vty.command("no rtp force-ptime")
res = self.vty.command("show running-config")
self.assertEquals(res.find(' rtp force-ptime 20\r'), -1)
self.assertEquals(res.find(' no rtp force-ptime\r'), -1)
def testOmitAudio(self):
self.vty.enable()
res = self.vty.command("show running-config")
self.assert_(res.find(' sdp audio-payload send-name\r') > 0)
self.assertEquals(res.find(' no sdp audio-payload send-name\r'), -1)
self.vty.command("configure terminal")
self.vty.command("mgcp")
self.vty.command("no sdp audio-payload send-name")
res = self.vty.command("show running-config")
self.assertEquals(res.find(' rtp sdp audio-payload send-name\r'), -1)
self.assert_(res.find(' no sdp audio-payload send-name\r') > 0)
# TODO: test it for the trunk!
def testBindAddr(self):
self.vty.enable()
self.vty.command("configure terminal")
self.vty.command("mgcp")
# enable.. disable bts-bind-ip
self.vty.command("rtp bts-bind-ip 254.253.252.250")
res = self.vty.command("show running-config")
self.assert_(res.find('rtp bts-bind-ip 254.253.252.250') > 0)
self.vty.command("no rtp bts-bind-ip")
res = self.vty.command("show running-config")
self.assertEquals(res.find(' rtp bts-bind-ip'), -1)
# enable.. disable net-bind-ip
self.vty.command("rtp net-bind-ip 254.253.252.250")
res = self.vty.command("show running-config")
self.assert_(res.find('rtp net-bind-ip 254.253.252.250') > 0)
self.vty.command("no rtp net-bind-ip")
res = self.vty.command("show running-config")
self.assertEquals(res.find(' rtp net-bind-ip'), -1)
if __name__ == '__main__':
import argparse
import sys
workdir = '.'
parser = argparse.ArgumentParser()
parser.add_argument("-v", "--verbose", dest="verbose",
action="store_true", help="verbose mode")
parser.add_argument("-p", "--pythonconfpath", dest="p",
help="searchpath for config")
parser.add_argument("-w", "--workdir", dest="w",
help="Working directory")
parser.add_argument("test_name", nargs="*", help="(parts of) test names to run, case-insensitive")
args = parser.parse_args()
verbose_level = 1
if args.verbose:
verbose_level = 2
if args.w:
workdir = args.w
if args.p:
confpath = args.p
print "confpath %s, workdir %s" % (confpath, workdir)
os.chdir(workdir)
print "Running tests for specific VTY commands"
suite = unittest.TestSuite()
suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestVTYMGCP))
if args.test_name:
osmoutil.pick_tests(suite, *args.test_name)
res = unittest.TextTestRunner(verbosity=verbose_level, stream=sys.stdout).run(suite)
sys.exit(len(res.errors) + len(res.failures))
# vim: shiftwidth=4 expandtab nocin ai