diff --git a/openbsc/include/openbsc/Makefile.am b/openbsc/include/openbsc/Makefile.am index b4760252e..05b802d48 100644 --- a/openbsc/include/openbsc/Makefile.am +++ b/openbsc/include/openbsc/Makefile.am @@ -5,4 +5,4 @@ noinst_HEADERS = abis_nm.h abis_rsl.h debug.h db.h gsm_04_08.h gsm_data.h \ gsm_utils.h ipaccess.h rs232.h openbscdefines.h rtp_proxy.h \ bsc_rll.h mncc.h talloc.h transaction.h ussd.h gsm_04_80.h \ silent_call.h mgcp.h meas_rep.h bitvec.h rest_octets.h \ - system_information.h handover.h statistics.h + system_information.h handover.h statistics.h mgcp_internal.h diff --git a/openbsc/include/openbsc/mgcp.h b/openbsc/include/openbsc/mgcp.h index 5b4aa3eec..5baf0ca1d 100644 --- a/openbsc/include/openbsc/mgcp.h +++ b/openbsc/include/openbsc/mgcp.h @@ -1,8 +1,8 @@ /* A Media Gateway Control Protocol Media Gateway: RFC 3435 */ /* - * (C) 2009 by Holger Hans Peter Freyther - * (C) 2009 by On-Waves + * (C) 2009-2010 by Holger Hans Peter Freyther + * (C) 2009-2010 by On-Waves * All Rights Reserved * * This program is free software; you can redistribute it and/or modify @@ -26,8 +26,9 @@ #include "msgb.h" +#include + #define RTP_PORT_DEFAULT 4000 -extern unsigned int rtp_base_port; /** * Calculate the RTP audio port for the given multiplex @@ -53,18 +54,54 @@ static inline int rtp_calculate_port(int multiplex, int base) return base + (multiplex * 2); } -int mgcp_parse_config(const char *config_file, struct gsm_network *dummy_network); -struct msgb *mgcp_handle_message(struct msgb *msg); -struct msgb *mgcp_create_rsip(void); -int mgcp_vty_init(void); +/* + * Handling of MGCP Endpoints and the MGCP Config + */ +struct mgcp_endpoint; +struct mgcp_config; -/* endpoint managed */ #define MGCP_ENDP_CRCX 1 #define MGCP_ENDP_DLCX 2 #define MGCP_ENDP_MDCX 3 -typedef int (*mgcp_change)(int endpoint, int state, int local_rtp, void *); -void mgcp_set_change_cb(mgcp_change cb, void *data); +typedef int (*mgcp_change)(struct mgcp_config *cfg, int endpoint, int state, int local_rtp); + +struct mgcp_config { + int source_port; + char *local_ip; + char *source_addr; + unsigned int number_endpoints; + char *bts_ip; + + struct in_addr bts_in; + char *audio_name; + int audio_payload; + int audio_loop; + int early_bind; + int rtp_base_port; + + char *forward_ip; + int forward_port; + + mgcp_change change_cb; + + struct mgcp_endpoint *endpoints; + unsigned int last_call_id; +}; + +/* config management */ +struct mgcp_config *mgcp_config_alloc(void); +int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg); +int mgcp_vty_init(void); +int mgcp_endpoints_allocate(struct mgcp_config *cfg); +int mgcp_bind_rtp_port(struct mgcp_endpoint *endp, int rtp_port); + +/* + * format helper functions + */ +struct msgb *mgcp_handle_message(struct mgcp_config *cfg, struct msgb *msg); +struct msgb *mgcp_create_rsip(void); + #endif diff --git a/openbsc/include/openbsc/mgcp_internal.h b/openbsc/include/openbsc/mgcp_internal.h new file mode 100644 index 000000000..2848d5bd0 --- /dev/null +++ b/openbsc/include/openbsc/mgcp_internal.h @@ -0,0 +1,61 @@ +/* MGCP Private Data */ + +/* + * (C) 2009-2010 by Holger Hans Peter Freyther + * (C) 2009-2010 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 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#ifndef OPENBSC_MGCP_DATA_H +#define OPENBSC_MGCP_DATA_H + +#include "select.h" + +#define CI_UNUSED 0 + +struct mgcp_endpoint { + int ci; + char *callid; + char *local_options; + int conn_mode; + + /* the local rtp port we are binding to */ + int rtp_port; + + /* + * RTP mangling: + * - we get RTP and RTCP to us and need to forward to the BTS + * - we get RTP and RTCP from the BTS and forward to the network + */ + struct bsc_fd local_rtp; + struct bsc_fd local_rtcp; + + struct in_addr remote; + struct in_addr bts; + + /* in network byte order */ + int net_rtp, net_rtcp; + int bts_rtp, bts_rtcp; + + /* backpointer */ + struct mgcp_config *cfg; +}; + +#define ENDPOINT_NUMBER(endp) abs(endp - endp->cfg->endpoints) + +#endif diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am index 161c283f6..dec635933 100644 --- a/openbsc/src/Makefile.am +++ b/openbsc/src/Makefile.am @@ -38,7 +38,8 @@ ipaccess_config_LDADD = libbsc.a libmsc.a libbsc.a libvty.a -ldl -ldbi $(LIBCRYP isdnsync_SOURCES = isdnsync.c -bsc_mgcp_SOURCES = mgcp/mgcp_main.c mgcp/mgcp_protocol.c msgb.c talloc.c debug.c select.c timer.c telnet_interface.c +bsc_mgcp_SOURCES = mgcp/mgcp_main.c mgcp/mgcp_protocol.c mgcp/mgcp_vty.c \ + msgb.c talloc.c debug.c select.c timer.c telnet_interface.c bsc_mgcp_LDADD = libvty.a ipaccess_proxy_SOURCES = ipaccess/ipaccess-proxy.c msgb.c select.c talloc.c debug.c timer.c diff --git a/openbsc/src/mgcp/mgcp_main.c b/openbsc/src/mgcp/mgcp_main.c index 7d318b191..32abef2c6 100644 --- a/openbsc/src/mgcp/mgcp_main.c +++ b/openbsc/src/mgcp/mgcp_main.c @@ -31,7 +31,6 @@ #include #include -#include #include #include @@ -41,9 +40,6 @@ #include #include -#include -#include - /* this is here for the vty... it will never be called */ void subscr_put() { abort(); } @@ -52,18 +48,15 @@ void subscr_put() { abort(); } #warning "Make use of the rtp proxy code" -static int source_port = 2427; -static const char *source_addr = "0.0.0.0"; static struct bsc_fd bfd; static int first_request = 1; +static struct mgcp_config *cfg; static char *config_file = "mgcp.cfg"; /* used by msgb and mgcp */ void *tall_bsc_ctx = NULL; -unsigned int rtp_base_port = RTP_PORT_DEFAULT; - static void print_help() { printf("Some useful help...\n"); @@ -136,7 +129,7 @@ static int read_call_agent(struct bsc_fd *fd, unsigned int what) /* handle message now */ msg->l2h = msgb_put(msg, rc); - resp = mgcp_handle_message(msg); + resp = mgcp_handle_message(cfg, msg); msgb_reset(msg); if (resp) { @@ -147,15 +140,6 @@ static int read_call_agent(struct bsc_fd *fd, unsigned int what) } -int bsc_vty_init(struct gsm_network *dummy) -{ - cmd_init(1); - vty_init(); - - mgcp_vty_init(); - return 0; -} - int main(int argc, char** argv) { struct gsm_network dummy_network; @@ -170,10 +154,14 @@ int main(int argc, char** argv) debug_add_target(stderr_target); debug_set_all_filter(stderr_target, 1); + cfg = mgcp_config_alloc(); + if (!cfg) + return -1; + handle_options(argc, argv); telnet_init(&dummy_network, 4243); - rc = mgcp_parse_config(config_file, &dummy_network); + rc = mgcp_parse_config(config_file, cfg); if (rc < 0) return rc; @@ -192,8 +180,8 @@ int main(int argc, char** argv) memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; - addr.sin_port = htons(source_port); - inet_aton(source_addr, &addr.sin_addr); + addr.sin_port = htons(cfg->source_port); + inet_aton(cfg->source_addr, &addr.sin_addr); if (bind(bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) { perror("Gateway failed to bind"); diff --git a/openbsc/src/mgcp/mgcp_protocol.c b/openbsc/src/mgcp/mgcp_protocol.c index 53573f3b2..8adc4c7b4 100644 --- a/openbsc/src/mgcp/mgcp_protocol.c +++ b/openbsc/src/mgcp/mgcp_protocol.c @@ -2,8 +2,8 @@ /* The protocol implementation */ /* - * (C) 2009 by Holger Hans Peter Freyther - * (C) 2009 by On-Waves + * (C) 2009-2010 by Holger Hans Peter Freyther + * (C) 2009-2010 by On-Waves * All Rights Reserved * * This program is free software; you can redistribute it and/or modify @@ -39,27 +39,10 @@ #include #include #include -#include - -#include -#include +#include #warning "Make use of the rtp proxy code" -static int source_port = 2427; -static const char *local_ip = NULL; -static const char *source_addr = "0.0.0.0"; -static unsigned int number_endpoints = 0; -static const char *bts_ip = NULL; -static struct in_addr bts_in; -static const char *audio_name = "GSM-EFR/8000"; -static int audio_payload = 97; -static int audio_loop = 0; -static int early_bind = 0; - -static char *forward_ip = NULL; -static int forward_port = 0; - enum mgcp_connection_mode { MGCP_CONN_NONE = 0, MGCP_CONN_RECV_ONLY = 1, @@ -77,37 +60,6 @@ enum { PROTO_RTCP, }; -#define CI_UNUSED 0 -static unsigned int last_call_id = 0; - -struct mgcp_endpoint { - int ci; - char *callid; - char *local_options; - int conn_mode; - - /* the local rtp port we are binding to */ - int rtp_port; - - /* - * RTP mangling: - * - we get RTP and RTCP to us and need to forward to the BTS - * - we get RTP and RTCP from the BTS and forward to the network - */ - struct bsc_fd local_rtp; - struct bsc_fd local_rtcp; - - struct in_addr remote; - struct in_addr bts; - - /* in network byte order */ - int net_rtp, net_rtcp; - int bts_rtp, bts_rtcp; -}; - -static struct mgcp_endpoint *endpoints = NULL; -#define ENDPOINT_NUMBER(endp) abs(endp - endpoints) - /** * Macro for tokenizing MGCP messages and SDP in one go. * @@ -150,39 +102,36 @@ struct mgcp_msg_ptr { struct mgcp_request { char *name; - struct msgb *(*handle_request) (struct msgb *msg); + struct msgb *(*handle_request) (struct mgcp_config *cfg, struct msgb *msg); char *debug_name; }; #define MGCP_REQUEST(NAME, REQ, DEBUG_NAME) \ { .name = NAME, .handle_request = REQ, .debug_name = DEBUG_NAME }, -static struct msgb *handle_audit_endpoint(struct msgb *msg); -static struct msgb *handle_create_con(struct msgb *msg); -static struct msgb *handle_delete_con(struct msgb *msg); -static struct msgb *handle_modify_con(struct msgb *msg); +static struct msgb *handle_audit_endpoint(struct mgcp_config *cfg, struct msgb *msg); +static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg); +static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg); +static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg); -static mgcp_change change_cb; -static void *change_cb_data; - -static int generate_call_id() +static int generate_call_id(struct mgcp_config *cfg) { int i; /* use the call id */ - ++last_call_id; + ++cfg->last_call_id; /* handle wrap around */ - if (last_call_id == CI_UNUSED) - ++last_call_id; + if (cfg->last_call_id == CI_UNUSED) + ++cfg->last_call_id; /* callstack can only be of size number_of_endpoints */ /* verify that the call id is free, e.g. in case of overrun */ - for (i = 1; i < number_endpoints; ++i) - if (endpoints[i].ci == last_call_id) - return generate_call_id(); + for (i = 1; i < cfg->number_endpoints; ++i) + if (cfg->endpoints[i].ci == cfg->last_call_id) + return generate_call_id(cfg); - return last_call_id; + return cfg->last_call_id; } /* FIXIME/TODO: need to have a list of pending transactions and check that */ @@ -217,9 +166,11 @@ static int rtp_data_cb(struct bsc_fd *fd, unsigned int what) struct sockaddr_in addr; socklen_t slen = sizeof(addr); struct mgcp_endpoint *endp; + struct mgcp_config *cfg; int rc, dest, proto; endp = (struct mgcp_endpoint *) fd->data; + cfg = endp->cfg; rc = recvfrom(fd->fd, &buf, sizeof(buf), 0, (struct sockaddr *) &addr, &slen); @@ -249,9 +200,9 @@ static int rtp_data_cb(struct bsc_fd *fd, unsigned int what) proto = fd == &endp->local_rtp ? PROTO_RTP : PROTO_RTCP; /* We have no idea who called us, maybe it is the BTS. */ - if (dest == DEST_NETWORK && (endp->bts_rtp == 0 || forward_ip)) { + if (dest == DEST_NETWORK && (endp->bts_rtp == 0 || cfg->forward_ip)) { /* it was the BTS... */ - if (!bts_ip || memcmp(&addr.sin_addr, &bts_in, sizeof(bts_in)) == 0) { + if (!cfg->bts_ip || memcmp(&addr.sin_addr, &cfg->bts_in, sizeof(cfg->bts_in)) == 0) { if (fd == &endp->local_rtp) { endp->bts_rtp = addr.sin_port; } else { @@ -265,7 +216,7 @@ static int rtp_data_cb(struct bsc_fd *fd, unsigned int what) } /* dispatch */ - if (audio_loop) + if (cfg->audio_loop) dest = !dest; if (dest == DEST_NETWORK) { @@ -279,7 +230,7 @@ static int rtp_data_cb(struct bsc_fd *fd, unsigned int what) } } -static int create_bind(struct bsc_fd *fd, int port) +static int create_bind(const char *source_addr, struct bsc_fd *fd, int port) { struct sockaddr_in addr; int on = 1; @@ -305,15 +256,17 @@ static int create_bind(struct bsc_fd *fd, int port) static int bind_rtp(struct mgcp_endpoint *endp) { - if (create_bind(&endp->local_rtp, endp->rtp_port) != 0) { + struct mgcp_config *cfg = endp->cfg; + + if (create_bind(cfg->source_addr, &endp->local_rtp, endp->rtp_port) != 0) { LOGP(DMGCP, LOGL_ERROR, "Failed to create RTP port: %s:%d on 0x%x\n", - source_addr, endp->rtp_port, ENDPOINT_NUMBER(endp)); + cfg->source_addr, endp->rtp_port, ENDPOINT_NUMBER(endp)); goto cleanup0; } - if (create_bind(&endp->local_rtcp, endp->rtp_port + 1) != 0) { + if (create_bind(cfg->source_addr, &endp->local_rtcp, endp->rtp_port + 1) != 0) { LOGP(DMGCP, LOGL_ERROR, "Failed to create RTCP port: %s:%d on 0x%x\n", - source_addr, endp->rtp_port + 1, ENDPOINT_NUMBER(endp)); + cfg->source_addr, endp->rtp_port + 1, ENDPOINT_NUMBER(endp)); goto cleanup1; } @@ -397,13 +350,14 @@ static struct msgb *send_response(int code, const char *msg, const char *trans) return send_response_with_data(code, msg, trans, NULL); } -static struct msgb *send_with_sdp(struct mgcp_endpoint *endp, const char *msg, const char *trans_id) +static struct msgb *send_with_sdp(struct mgcp_endpoint *endp, + const char *msg, const char *trans_id) { - const char *addr = local_ip; + const char *addr = endp->cfg->local_ip; char sdp_record[4096]; if (!addr) - addr = source_addr; + addr = endp->cfg->source_addr; snprintf(sdp_record, sizeof(sdp_record) - 1, "I: %d\n\n" @@ -412,7 +366,8 @@ static struct msgb *send_with_sdp(struct mgcp_endpoint *endp, const char *msg, c "m=audio %d RTP/AVP %d\r\n" "a=rtpmap:%d %s\r\n", endp->ci, addr, endp->rtp_port, - audio_payload, audio_payload, audio_name); + endp->cfg->audio_payload, endp->cfg->audio_payload, + endp->cfg->audio_name); return send_response_with_data(200, msg, trans_id, sdp_record); } @@ -438,7 +393,7 @@ struct msgb *mgcp_create_rsip(void) * - this can be a command (four letters, space, transaction id) * - or a response (three numbers, space, transaction id) */ -struct msgb *mgcp_handle_message(struct msgb *msg) +struct msgb *mgcp_handle_message(struct mgcp_config *cfg, struct msgb *msg) { int code; struct msgb *resp = NULL; @@ -457,7 +412,7 @@ struct msgb *mgcp_handle_message(struct msgb *msg) for (i = 0; i < ARRAY_SIZE(mgcp_requests); ++i) if (strncmp(mgcp_requests[i].name, (const char *) &msg->data[0], 4) == 0) { handled = 1; - resp = mgcp_requests[i].handle_request(msg); + resp = mgcp_requests[i].handle_request(cfg, msg); break; } if (!handled) { @@ -504,21 +459,22 @@ static int find_msg_pointers(struct msgb *msg, struct mgcp_msg_ptr *ptrs, int pt return found; } -static struct mgcp_endpoint *find_endpoint(const char *mgcp) +static struct mgcp_endpoint *find_endpoint(struct mgcp_config *cfg, const char *mgcp) { char *endptr = NULL; unsigned int gw = INT_MAX; gw = strtoul(mgcp, &endptr, 16); - if (gw == 0 || gw >= number_endpoints || strcmp(endptr, "@mgw") != 0) { + if (gw == 0 || gw >= cfg->number_endpoints || strcmp(endptr, "@mgw") != 0) { LOGP(DMGCP, LOGL_ERROR, "Not able to find endpoint: '%s'\n", mgcp); return NULL; } - return &endpoints[gw]; + return &cfg->endpoints[gw]; } -static int analyze_header(struct msgb *msg, struct mgcp_msg_ptr *ptr, int size, +static int analyze_header(struct mgcp_config *cfg, struct msgb *msg, + struct mgcp_msg_ptr *ptr, int size, const char **transaction_id, struct mgcp_endpoint **endp) { int found; @@ -553,7 +509,7 @@ static int analyze_header(struct msgb *msg, struct mgcp_msg_ptr *ptr, int size, } *transaction_id = (const char *)&msg->l3h[ptr[0].start]; - *endp = find_endpoint((const char *)&msg->l3h[ptr[1].start]); + *endp = find_endpoint(cfg, (const char *)&msg->l3h[ptr[1].start]); return *endp == NULL; } @@ -581,14 +537,14 @@ static int verify_ci(const struct mgcp_endpoint *endp, return 0; } -static struct msgb *handle_audit_endpoint(struct msgb *msg) +static struct msgb *handle_audit_endpoint(struct mgcp_config *cfg, struct msgb *msg) { struct mgcp_msg_ptr data_ptrs[6]; int found, response; const char *trans_id; struct mgcp_endpoint *endp; - found = analyze_header(msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); + found = analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); if (found != 0) response = 500; else @@ -612,7 +568,7 @@ static int parse_conn_mode(const char* msg, int *conn_mode) return ret; } -static struct msgb *handle_create_con(struct msgb *msg) +static struct msgb *handle_create_con(struct mgcp_config *cfg, struct msgb *msg) { struct mgcp_msg_ptr data_ptrs[6]; int found, i, line_start; @@ -620,7 +576,7 @@ static struct msgb *handle_create_con(struct msgb *msg) struct mgcp_endpoint *endp; int error_code = 500; - found = analyze_header(msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); + found = analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); if (found != 0) return send_response(500, "CRCX", trans_id); @@ -633,11 +589,11 @@ static struct msgb *handle_create_con(struct msgb *msg) MSG_TOKENIZE_START switch (msg->l3h[line_start]) { case 'L': - endp->local_options = talloc_strdup(endpoints, + endp->local_options = talloc_strdup(cfg->endpoints, (const char *)&msg->l3h[line_start + 3]); break; case 'C': - endp->callid = talloc_strdup(endpoints, + endp->callid = talloc_strdup(cfg->endpoints, (const char *)&msg->l3h[line_start + 3]); break; case 'M': @@ -662,19 +618,19 @@ static struct msgb *handle_create_con(struct msgb *msg) memset(&endp->remote, 0, sizeof(endp->remote)); /* bind to the port now */ - endp->rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), rtp_base_port); - if (!early_bind && bind_rtp(endp) != 0) + endp->rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), cfg->rtp_base_port); + if (!cfg->early_bind && bind_rtp(endp) != 0) goto error2; /* assign a local call identifier or fail */ - endp->ci = generate_call_id(); + endp->ci = generate_call_id(cfg); if (endp->ci == CI_UNUSED) goto error2; LOGP(DMGCP, LOGL_NOTICE, "Creating endpoint on: 0x%x CI: %u port: %u\n", ENDPOINT_NUMBER(endp), endp->ci, endp->rtp_port); - if (change_cb) - change_cb(ENDPOINT_NUMBER(endp), MGCP_ENDP_CRCX, endp->rtp_port, change_cb_data); + if (cfg->change_cb) + cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_CRCX, endp->rtp_port); return send_with_sdp(endp, "CRCX", trans_id); error: @@ -688,7 +644,7 @@ error2: return send_response(error_code, "CRCX", trans_id); } -static struct msgb *handle_modify_con(struct msgb *msg) +static struct msgb *handle_modify_con(struct mgcp_config *cfg, struct msgb *msg) { struct mgcp_msg_ptr data_ptrs[6]; int found, i, line_start; @@ -696,7 +652,7 @@ static struct msgb *handle_modify_con(struct msgb *msg) struct mgcp_endpoint *endp; int error_code = 500; - found = analyze_header(msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); + found = analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); if (found != 0) return send_response(error_code, "MDCX", trans_id); @@ -767,8 +723,8 @@ static struct msgb *handle_modify_con(struct msgb *msg) /* modify */ LOGP(DMGCP, LOGL_NOTICE, "Modified endpoint on: 0x%x Server: %s:%u\n", ENDPOINT_NUMBER(endp), inet_ntoa(endp->remote), endp->net_rtp); - if (change_cb) - change_cb(ENDPOINT_NUMBER(endp), MGCP_ENDP_MDCX, endp->rtp_port, change_cb_data); + if (cfg->change_cb) + cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_MDCX, endp->rtp_port); return send_with_sdp(endp, "MDCX", trans_id); error: @@ -781,7 +737,7 @@ error3: return send_response(error_code, "MDCX", trans_id); } -static struct msgb *handle_delete_con(struct msgb *msg) +static struct msgb *handle_delete_con(struct mgcp_config *cfg, struct msgb *msg) { struct mgcp_msg_ptr data_ptrs[6]; int found, i, line_start; @@ -789,7 +745,7 @@ static struct msgb *handle_delete_con(struct msgb *msg) struct mgcp_endpoint *endp; int error_code = 500; - found = analyze_header(msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); + found = analyze_header(cfg, msg, data_ptrs, ARRAY_SIZE(data_ptrs), &trans_id, &endp); if (found != 0) return send_response(error_code, "DLCX", trans_id); @@ -825,14 +781,14 @@ static struct msgb *handle_delete_con(struct msgb *msg) talloc_free(endp->callid); talloc_free(endp->local_options); - if (!early_bind) { + if (!cfg->early_bind) { bsc_unregister_fd(&endp->local_rtp); bsc_unregister_fd(&endp->local_rtcp); } endp->net_rtp = endp->net_rtcp = endp->bts_rtp = endp->bts_rtcp = 0; - if (change_cb) - change_cb(ENDPOINT_NUMBER(endp), MGCP_ENDP_DLCX, endp->rtp_port, change_cb_data); + if (cfg->change_cb) + cfg->change_cb(cfg, ENDPOINT_NUMBER(endp), MGCP_ENDP_DLCX, endp->rtp_port); return send_response(250, "DLCX", trans_id); @@ -846,299 +802,48 @@ error3: return send_response(error_code, "DLCX", trans_id); } -/* - * vty code for mgcp below - */ -struct cmd_node mgcp_node = { - MGCP_NODE, - "%s(mgcp)#", - 1, -}; - -static int config_write_mgcp(struct vty *vty) +struct mgcp_config *mgcp_config_alloc(void) { - vty_out(vty, "mgcp%s", VTY_NEWLINE); - if (local_ip) - vty_out(vty, " local ip %s%s", local_ip, VTY_NEWLINE); - if (bts_ip) - vty_out(vty, " bts ip %s%s", bts_ip, VTY_NEWLINE); - vty_out(vty, " bind ip %s%s", source_addr, VTY_NEWLINE); - vty_out(vty, " bind port %u%s", source_port, VTY_NEWLINE); - vty_out(vty, " bind early %u%s", !!early_bind, VTY_NEWLINE); - vty_out(vty, " rtp base %u%s", rtp_base_port, VTY_NEWLINE); - vty_out(vty, " sdp audio payload number %u%s", audio_payload, VTY_NEWLINE); - vty_out(vty, " sdp audio payload name %s%s", audio_name, VTY_NEWLINE); - vty_out(vty, " loop %u%s", !!audio_loop, VTY_NEWLINE); - vty_out(vty, " endpoints %u%s", number_endpoints, VTY_NEWLINE); - if (forward_ip) - vty_out(vty, " forward audio ip %s%s", forward_ip, VTY_NEWLINE); - if (forward_port != 0) - vty_out(vty, " forward audio port %d%s", forward_port, VTY_NEWLINE); + struct mgcp_config *cfg; - return CMD_SUCCESS; + cfg = talloc_zero(NULL, struct mgcp_config); + if (!cfg) { + LOGP(DMGCP, LOGL_FATAL, "Failed to allocate config.\n"); + return NULL; + } + + cfg->source_port = 2427; + cfg->source_addr = talloc_strdup(cfg, "0.0.0.0"); + cfg->audio_name = talloc_strdup(cfg, "GSM-EFR/8000"); + cfg->audio_payload = 97; + cfg->rtp_base_port = RTP_PORT_DEFAULT; + + return cfg; } -DEFUN(show_mcgp, show_mgcp_cmd, "show mgcp", - SHOW_STR "Display information about the MGCP Media Gateway") +int mgcp_endpoints_allocate(struct mgcp_config *cfg) { int i; - vty_out(vty, "MGCP is up and running with %u endpoints:%s", number_endpoints - 1, VTY_NEWLINE); - for (i = 1; i < number_endpoints; ++i) { - struct mgcp_endpoint *endp = &endpoints[i]; - vty_out(vty, " Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u%s", - i, endp->ci, - ntohs(endp->net_rtp), ntohs(endp->net_rtcp), - ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp), VTY_NEWLINE); + /* Initialize all endpoints */ + cfg->endpoints = _talloc_zero_array(cfg, + sizeof(struct mgcp_endpoint), + cfg->number_endpoints, "endpoints"); + if (!cfg->endpoints) + return -1; + + for (i = 0; i < cfg->number_endpoints; ++i) { + cfg->endpoints[i].local_rtp.fd = -1; + cfg->endpoints[i].local_rtcp.fd = -1; + cfg->endpoints[i].ci = CI_UNUSED; + cfg->endpoints[i].cfg = cfg; } - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp, - cfg_mgcp_cmd, - "mgcp", - "Configure the MGCP") -{ - vty->node = MGCP_NODE; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_local_ip, - cfg_mgcp_local_ip_cmd, - "local ip IP", - "Set the IP to be used in SDP records") -{ - local_ip = talloc_strdup(tall_bsc_ctx, argv[0]); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_bts_ip, - cfg_mgcp_bts_ip_cmd, - "bts ip IP", - "Set the IP of the BTS for RTP forwarding") -{ - bts_ip = talloc_strdup(tall_bsc_ctx, argv[0]); - inet_aton(bts_ip, &bts_in); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_bind_ip, - cfg_mgcp_bind_ip_cmd, - "bind ip IP", - "Bind the MGCP to this local addr") -{ - source_addr = talloc_strdup(tall_bsc_ctx, argv[0]); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_bind_port, - cfg_mgcp_bind_port_cmd, - "bind port <0-65534>", - "Bind the MGCP to this port") -{ - unsigned int port = atoi(argv[0]); - if (port > 65534) { - vty_out(vty, "%% wrong bind port '%s'%s", argv[0], VTY_NEWLINE); - return CMD_WARNING; - } - - source_port = port; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_bind_early, - cfg_mgcp_bind_early_cmd, - "bind early (0|1)", - "Bind all RTP ports early") -{ - unsigned int bind = atoi(argv[0]); - if (bind != 0 && bind != 1) { - vty_out(vty, "%% param must be 0 or 1.%s", VTY_NEWLINE); - return CMD_WARNING; - } - - early_bind = bind == 1; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_rtp_base_port, - cfg_mgcp_rtp_base_port_cmd, - "rtp base <0-65534>", - "Base port to use") -{ - unsigned int port = atoi(argv[0]); - if (port > 65534) { - vty_out(vty, "%% wrong base port '%s'%s", argv[0], VTY_NEWLINE); - return CMD_WARNING; - } - - rtp_base_port = port; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_sdp_payload_number, - cfg_mgcp_sdp_payload_number_cmd, - "sdp audio payload number <1-255>", - "Set the audio codec to use") -{ - unsigned int payload = atoi(argv[0]); - if (payload > 255) { - vty_out(vty, "%% wrong payload number '%s'%s", argv[0], VTY_NEWLINE); - return CMD_WARNING; - } - - audio_payload = payload; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_sdp_payload_name, - cfg_mgcp_sdp_payload_name_cmd, - "sdp audio payload name NAME", - "Set the audio name to use") -{ - audio_name = talloc_strdup(tall_bsc_ctx, argv[0]); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_loop, - cfg_mgcp_loop_cmd, - "loop (0|1)", - "Loop the audio") -{ - audio_loop = atoi(argv[0]); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_number_endp, - cfg_mgcp_number_endp_cmd, - "number endpoints <0-65534>", - "The number of endpoints to allocate. This is not dynamic.") -{ - /* + 1 as we start counting at one */ - number_endpoints = atoi(argv[0]) + 1; - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_forward_ip, - cfg_mgcp_forward_ip_cmd, - "forward audio ip IP", - "Forward packets from and to the IP. This disables most of the MGCP feature.") -{ - if (forward_ip) - talloc_free(forward_ip); - forward_ip = talloc_strdup(tall_bsc_ctx, argv[0]); - return CMD_SUCCESS; -} - -DEFUN(cfg_mgcp_forward_port, - cfg_mgcp_forward_port_cmd, - "forward audio port <1-15000>", - "Forward packets from and to the port. This disables most of the MGCP feature.") -{ - forward_port = atoi(argv[0]); - return CMD_SUCCESS; -} - -int mgcp_vty_init(void) -{ - install_element(VIEW_NODE, &show_mgcp_cmd); - - install_element(CONFIG_NODE, &cfg_mgcp_cmd); - install_node(&mgcp_node, config_write_mgcp); - install_default(MGCP_NODE); - install_element(MGCP_NODE, &cfg_mgcp_local_ip_cmd); - install_element(MGCP_NODE, &cfg_mgcp_bts_ip_cmd); - install_element(MGCP_NODE, &cfg_mgcp_bind_ip_cmd); - install_element(MGCP_NODE, &cfg_mgcp_bind_port_cmd); - install_element(MGCP_NODE, &cfg_mgcp_bind_early_cmd); - install_element(MGCP_NODE, &cfg_mgcp_rtp_base_port_cmd); - install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_number_cmd); - install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_name_cmd); - install_element(MGCP_NODE, &cfg_mgcp_loop_cmd); - install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd); - install_element(MGCP_NODE, &cfg_mgcp_forward_ip_cmd); - install_element(MGCP_NODE, &cfg_mgcp_forward_port_cmd); return 0; } -int mgcp_parse_config(const char *config_file, struct gsm_network *dummy_network) +int mgcp_bind_rtp_port(struct mgcp_endpoint *endp, int rtp_port) { - int i, rc; - - rc = vty_read_config_file(config_file); - if (rc < 0) { - fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file); - return rc; - } - - - if (!bts_ip) - fprintf(stderr, "No BTS ip address specified. This will allow everyone to connect.\n"); - - endpoints = _talloc_zero_array(tall_bsc_ctx, - sizeof(struct mgcp_endpoint), - number_endpoints, "endpoints"); - if (!endpoints) { - fprintf(stderr, "Failed to allocate endpoints: %d. Quitting.\n", number_endpoints); - return -1; - } - - /* Initialize all endpoints */ - for (i = 0; i < number_endpoints; ++i) { - endpoints[i].local_rtp.fd = -1; - endpoints[i].local_rtcp.fd = -1; - endpoints[i].ci = CI_UNUSED; - } - - /* - * This application supports two modes. - * 1.) a true MGCP gateway with support for AUEP, CRCX, MDCX, DLCX - * 2.) plain forwarding of RTP packets on the endpoints. - * both modes are mutual exclusive - */ - if (forward_ip) { - int port = rtp_base_port; - if (forward_port != 0) - port = forward_port; - - if (!early_bind) { - LOGP(DMGCP, LOGL_NOTICE, "Forwarding requires early bind.\n"); - return -1; - } - - /* - * Store the forward IP and assign a ci. For early bind - * the sockets will be created after this. - */ - for (i = 1; i < number_endpoints; ++i) { - struct mgcp_endpoint *endp = &endpoints[i]; - inet_aton(forward_ip, &endp->remote); - endp->ci = CI_UNUSED + 23; - endp->net_rtp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port)); - endp->net_rtcp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port) + 1); - } - - LOGP(DMGCP, LOGL_NOTICE, "Configured for Audio Forwarding.\n"); - } - - /* early bind */ - if (early_bind) { - for (i = 1; i < number_endpoints; ++i) { - struct mgcp_endpoint *endp = &endpoints[i]; - endp->rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), rtp_base_port); - if (bind_rtp(endp) != 0) { - LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", endp->rtp_port); - return -1; - } - } - } - - return !!forward_ip; -} - -void mgcp_set_change_cb(mgcp_change cb, void *data) -{ - change_cb = cb; - change_cb_data = data; + endp->rtp_port = rtp_port; + return bind_rtp(endp); } diff --git a/openbsc/src/mgcp/mgcp_vty.c b/openbsc/src/mgcp/mgcp_vty.c new file mode 100644 index 000000000..b297b42a0 --- /dev/null +++ b/openbsc/src/mgcp/mgcp_vty.c @@ -0,0 +1,338 @@ +/* A Media Gateway Control Protocol Media Gateway: RFC 3435 */ +/* The protocol implementation */ + +/* + * (C) 2009-2010 by Holger Hans Peter Freyther + * (C) 2009-2010 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 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include + +#include +#include +#include +#include + +#include +#include + +static struct mgcp_config *g_cfg = NULL; + +/* + * vty code for mgcp below + */ +struct cmd_node mgcp_node = { + MGCP_NODE, + "%s(mgcp)#", + 1, +}; + +static int config_write_mgcp(struct vty *vty) +{ + vty_out(vty, "mgcp%s", VTY_NEWLINE); + if (g_cfg->local_ip) + vty_out(vty, " local ip %s%s", g_cfg->local_ip, VTY_NEWLINE); + if (g_cfg->bts_ip) + vty_out(vty, " bts ip %s%s", g_cfg->bts_ip, VTY_NEWLINE); + vty_out(vty, " bind ip %s%s", g_cfg->source_addr, VTY_NEWLINE); + vty_out(vty, " bind port %u%s", g_cfg->source_port, VTY_NEWLINE); + vty_out(vty, " bind early %u%s", !!g_cfg->early_bind, VTY_NEWLINE); + vty_out(vty, " rtp base %u%s", g_cfg->rtp_base_port, VTY_NEWLINE); + vty_out(vty, " sdp audio payload number %u%s", g_cfg->audio_payload, VTY_NEWLINE); + vty_out(vty, " sdp audio payload name %s%s", g_cfg->audio_name, VTY_NEWLINE); + vty_out(vty, " loop %u%s", !!g_cfg->audio_loop, VTY_NEWLINE); + vty_out(vty, " endpoints %u%s", g_cfg->number_endpoints, VTY_NEWLINE); + if (g_cfg->forward_ip) + vty_out(vty, " forward audio ip %s%s", g_cfg->forward_ip, VTY_NEWLINE); + if (g_cfg->forward_port != 0) + vty_out(vty, " forward audio port %d%s", g_cfg->forward_port, VTY_NEWLINE); + + return CMD_SUCCESS; +} + +DEFUN(show_mcgp, show_mgcp_cmd, "show mgcp", + SHOW_STR "Display information about the MGCP Media Gateway") +{ + int i; + + vty_out(vty, "MGCP is up and running with %u endpoints:%s", g_cfg->number_endpoints - 1, VTY_NEWLINE); + for (i = 1; i < g_cfg->number_endpoints; ++i) { + struct mgcp_endpoint *endp = &g_cfg->endpoints[i]; + vty_out(vty, " Endpoint 0x%.2x: CI: %d net: %u/%u bts: %u/%u%s", + i, endp->ci, + ntohs(endp->net_rtp), ntohs(endp->net_rtcp), + ntohs(endp->bts_rtp), ntohs(endp->bts_rtcp), VTY_NEWLINE); + } + + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp, + cfg_mgcp_cmd, + "mgcp", + "Configure the MGCP") +{ + vty->node = MGCP_NODE; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_local_ip, + cfg_mgcp_local_ip_cmd, + "local ip IP", + "Set the IP to be used in SDP records") +{ + if (g_cfg->local_ip) + talloc_free(g_cfg->local_ip); + g_cfg->local_ip = talloc_strdup(g_cfg, argv[0]); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_bts_ip, + cfg_mgcp_bts_ip_cmd, + "bts ip IP", + "Set the IP of the BTS for RTP forwarding") +{ + if (g_cfg->bts_ip) + talloc_free(g_cfg->bts_ip); + g_cfg->bts_ip = talloc_strdup(g_cfg, argv[0]); + inet_aton(g_cfg->bts_ip, &g_cfg->bts_in); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_bind_ip, + cfg_mgcp_bind_ip_cmd, + "bind ip IP", + "Bind the MGCP to this local addr") +{ + if (g_cfg->source_addr) + talloc_free(g_cfg->source_addr); + g_cfg->source_addr = talloc_strdup(g_cfg, argv[0]); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_bind_port, + cfg_mgcp_bind_port_cmd, + "bind port <0-65534>", + "Bind the MGCP to this port") +{ + unsigned int port = atoi(argv[0]); + if (port > 65534) { + vty_out(vty, "%% wrong bind port '%s'%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + g_cfg->source_port = port; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_bind_early, + cfg_mgcp_bind_early_cmd, + "bind early (0|1)", + "Bind all RTP ports early") +{ + unsigned int bind = atoi(argv[0]); + if (bind != 0 && bind != 1) { + vty_out(vty, "%% param must be 0 or 1.%s", VTY_NEWLINE); + return CMD_WARNING; + } + + g_cfg->early_bind = bind == 1; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_rtp_base_port, + cfg_mgcp_rtp_base_port_cmd, + "rtp base <0-65534>", + "Base port to use") +{ + unsigned int port = atoi(argv[0]); + if (port > 65534) { + vty_out(vty, "%% wrong base port '%s'%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + g_cfg->rtp_base_port = port; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_sdp_payload_number, + cfg_mgcp_sdp_payload_number_cmd, + "sdp audio payload number <1-255>", + "Set the audio codec to use") +{ + unsigned int payload = atoi(argv[0]); + if (payload > 255) { + vty_out(vty, "%% wrong payload number '%s'%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + g_cfg->audio_payload = payload; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_sdp_payload_name, + cfg_mgcp_sdp_payload_name_cmd, + "sdp audio payload name NAME", + "Set the audio name to use") +{ + if (g_cfg->audio_name) + talloc_free(g_cfg->audio_name); + g_cfg->audio_name = talloc_strdup(g_cfg, argv[0]); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_loop, + cfg_mgcp_loop_cmd, + "loop (0|1)", + "Loop the audio") +{ + g_cfg->audio_loop = atoi(argv[0]); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_number_endp, + cfg_mgcp_number_endp_cmd, + "number endpoints <0-65534>", + "The number of endpoints to allocate. This is not dynamic.") +{ + /* + 1 as we start counting at one */ + g_cfg->number_endpoints = atoi(argv[0]) + 1; + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_forward_ip, + cfg_mgcp_forward_ip_cmd, + "forward audio ip IP", + "Forward packets from and to the IP. This disables most of the MGCP feature.") +{ + if (g_cfg->forward_ip) + talloc_free(g_cfg->forward_ip); + g_cfg->forward_ip = talloc_strdup(g_cfg, argv[0]); + return CMD_SUCCESS; +} + +DEFUN(cfg_mgcp_forward_port, + cfg_mgcp_forward_port_cmd, + "forward audio port <1-15000>", + "Forward packets from and to the port. This disables most of the MGCP feature.") +{ + g_cfg->forward_port = atoi(argv[0]); + return CMD_SUCCESS; +} + +int mgcp_vty_init(void) +{ + install_element(VIEW_NODE, &show_mgcp_cmd); + + install_element(CONFIG_NODE, &cfg_mgcp_cmd); + install_node(&mgcp_node, config_write_mgcp); + install_default(MGCP_NODE); + install_element(MGCP_NODE, &cfg_mgcp_local_ip_cmd); + install_element(MGCP_NODE, &cfg_mgcp_bts_ip_cmd); + install_element(MGCP_NODE, &cfg_mgcp_bind_ip_cmd); + install_element(MGCP_NODE, &cfg_mgcp_bind_port_cmd); + install_element(MGCP_NODE, &cfg_mgcp_bind_early_cmd); + install_element(MGCP_NODE, &cfg_mgcp_rtp_base_port_cmd); + install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_number_cmd); + install_element(MGCP_NODE, &cfg_mgcp_sdp_payload_name_cmd); + install_element(MGCP_NODE, &cfg_mgcp_loop_cmd); + install_element(MGCP_NODE, &cfg_mgcp_number_endp_cmd); + install_element(MGCP_NODE, &cfg_mgcp_forward_ip_cmd); + install_element(MGCP_NODE, &cfg_mgcp_forward_port_cmd); + return 0; +} + +int mgcp_parse_config(const char *config_file, struct mgcp_config *cfg) +{ + int i, rc; + + g_cfg = cfg; + rc = vty_read_config_file(config_file); + if (rc < 0) { + fprintf(stderr, "Failed to parse the config file: '%s'\n", config_file); + return rc; + } + + + if (!g_cfg->bts_ip) + fprintf(stderr, "No BTS ip address specified. This will allow everyone to connect.\n"); + + if (mgcp_endpoints_allocate(g_cfg) != 0) { + fprintf(stderr, "Failed to allocate endpoints: %d. Quitting.\n", g_cfg->number_endpoints); + return -1; + } + + /* + * This application supports two modes. + * 1.) a true MGCP gateway with support for AUEP, CRCX, MDCX, DLCX + * 2.) plain forwarding of RTP packets on the endpoints. + * both modes are mutual exclusive + */ + if (g_cfg->forward_ip) { + int port = g_cfg->rtp_base_port; + if (g_cfg->forward_port != 0) + port = g_cfg->forward_port; + + if (!g_cfg->early_bind) { + LOGP(DMGCP, LOGL_NOTICE, "Forwarding requires early bind.\n"); + return -1; + } + + /* + * Store the forward IP and assign a ci. For early bind + * the sockets will be created after this. + */ + for (i = 1; i < g_cfg->number_endpoints; ++i) { + struct mgcp_endpoint *endp = &g_cfg->endpoints[i]; + inet_aton(g_cfg->forward_ip, &endp->remote); + endp->ci = CI_UNUSED + 23; + endp->net_rtp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port)); + endp->net_rtcp = htons(rtp_calculate_port(ENDPOINT_NUMBER(endp), port) + 1); + } + + LOGP(DMGCP, LOGL_NOTICE, "Configured for Audio Forwarding.\n"); + } + + /* early bind */ + if (g_cfg->early_bind) { + for (i = 1; i < g_cfg->number_endpoints; ++i) { + struct mgcp_endpoint *endp = &g_cfg->endpoints[i]; + int rtp_port; + + rtp_port = rtp_calculate_port(ENDPOINT_NUMBER(endp), g_cfg->rtp_base_port); + if (mgcp_bind_rtp_port(endp, rtp_port) != 0) { + LOGP(DMGCP, LOGL_FATAL, "Failed to bind: %d\n", endp->rtp_port); + return -1; + } + } + } + + return !!g_cfg->forward_ip; +} + +struct gsm_network; +int bsc_vty_init(struct gsm_network *dummy) +{ + cmd_init(1); + vty_init(); + + mgcp_vty_init(); + return 0; +} +