add
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8250 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale
parent
aa47e3e5fd
commit
02715f7f51
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@ -0,0 +1,2 @@
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MODNAME=mod_conference
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include ../../../../build/modmake.rules
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@ -0,0 +1,603 @@
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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*
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* mod_reference.c -- REFERENCE Endpoint Module
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*
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*/
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#include <switch.h>
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SWITCH_MODULE_LOAD_FUNCTION(mod_reference_load);
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_reference_shutdown);
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//SWITCH_MODULE_RUNTIME_FUNCTION(mod_reference_runtime);
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SWITCH_MODULE_DEFINITION(mod_reference, mod_reference_load, mod_reference_shutdown, NULL);//mod_reference_runtime);
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switch_endpoint_interface_t *reference_endpoint_interface;
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static switch_memory_pool_t *module_pool = NULL;
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static int running = 1;
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typedef enum {
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TFLAG_IO = (1 << 0),
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TFLAG_INBOUND = (1 << 1),
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TFLAG_OUTBOUND = (1 << 2),
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TFLAG_DTMF = (1 << 3),
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TFLAG_VOICE = (1 << 4),
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TFLAG_HANGUP = (1 << 5),
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TFLAG_LINEAR = (1 << 6),
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TFLAG_CODEC = (1 << 7),
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TFLAG_BREAK = (1 << 8)
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} TFLAGS;
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typedef enum {
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GFLAG_MY_CODEC_PREFS = (1 << 0)
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} GFLAGS;
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static struct {
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int debug;
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char *ip;
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int port;
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char *dialplan;
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char *codec_string;
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char *codec_order[SWITCH_MAX_CODECS];
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int codec_order_last;
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char *codec_rates_string;
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char *codec_rates[SWITCH_MAX_CODECS];
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int codec_rates_last;
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unsigned int flags;
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int calls;
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switch_mutex_t *mutex;
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} globals;
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struct private_object {
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unsigned int flags;
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switch_codec_t read_codec;
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switch_codec_t write_codec;
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switch_frame_t read_frame;
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unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
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switch_core_session_t *session;
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switch_caller_profile_t *caller_profile;
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switch_mutex_t *mutex;
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switch_mutex_t *flag_mutex;
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//switch_thread_cond_t *cond;
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};
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typedef struct private_object private_t;
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_dialplan, globals.dialplan);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_string, globals.codec_string);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_codec_rates_string, globals.codec_rates_string);
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SWITCH_DECLARE_GLOBAL_STRING_FUNC(set_global_ip, globals.ip);
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static switch_status_t channel_on_init(switch_core_session_t *session);
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static switch_status_t channel_on_hangup(switch_core_session_t *session);
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static switch_status_t channel_on_ring(switch_core_session_t *session);
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static switch_status_t channel_on_loopback(switch_core_session_t *session);
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static switch_status_t channel_on_transmit(switch_core_session_t *session);
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static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
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switch_caller_profile_t *outbound_profile,
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switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
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static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
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static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
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static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
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static void tech_init(private_t * tech_pvt, switch_core_session_t *session)
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{
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tech_pvt->read_frame.data = tech_pvt->databuf;
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tech_pvt->read_frame.buflen = sizeof(tech_pvt->databuf);
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switch_mutex_init(&tech_pvt->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
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switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
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switch_core_session_set_private(session, tech_pvt);
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tech_pvt->session = session;
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}
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/*
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State methods they get called when the state changes to the specific state
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returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
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so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
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*/
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static switch_status_t channel_on_init(switch_core_session_t *session)
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{
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switch_channel_t *channel;
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private_t *tech_pvt = NULL;
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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switch_set_flag_locked(tech_pvt, TFLAG_IO);
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/* Move Channel's State Machine to RING */
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switch_channel_set_state(channel, CS_RING);
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switch_mutex_lock(globals.mutex);
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globals.calls++;
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switch_mutex_unlock(globals.mutex);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_on_ring(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL RING\n", switch_channel_get_name(channel));
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_on_execute(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL EXECUTE\n", switch_channel_get_name(channel));
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_on_hangup(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch_clear_flag_locked(tech_pvt, TFLAG_IO);
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switch_clear_flag_locked(tech_pvt, TFLAG_VOICE);
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//switch_thread_cond_signal(tech_pvt->cond);
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if (tech_pvt->read_codec.implementation) {
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switch_core_codec_destroy(&tech_pvt->read_codec);
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}
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if (tech_pvt->write_codec.implementation) {
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switch_core_codec_destroy(&tech_pvt->write_codec);
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}
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(channel));
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switch_mutex_lock(globals.mutex);
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globals.calls--;
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if (globals.calls < 0) {
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globals.calls = 0;
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}
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switch_mutex_unlock(globals.mutex);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch (sig) {
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case SWITCH_SIG_KILL:
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switch_clear_flag_locked(tech_pvt, TFLAG_IO);
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switch_clear_flag_locked(tech_pvt, TFLAG_VOICE);
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switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING);
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//switch_thread_cond_signal(tech_pvt->cond);
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break;
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case SWITCH_SIG_BREAK:
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switch_set_flag_locked(tech_pvt, TFLAG_BREAK);
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break;
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default:
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break;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_on_loopback(switch_core_session_t *session)
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{
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CHANNEL LOOPBACK\n");
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_on_transmit(switch_core_session_t *session)
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{
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CHANNEL TRANSMIT\n");
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
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{
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private_t *tech_pvt = NULL;
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
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{
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private_t *tech_pvt = NULL;
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
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{
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private_t *tech_pvt = switch_core_session_get_private(session);
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switch_assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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switch_time_t started = switch_time_now();
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unsigned int elapsed;
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switch_byte_t *data;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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tech_pvt->read_frame.flags = SFF_NONE;
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*frame = NULL;
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while (switch_test_flag(tech_pvt, TFLAG_IO)) {
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if (switch_test_flag(tech_pvt, TFLAG_BREAK)) {
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switch_clear_flag(tech_pvt, TFLAG_BREAK);
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goto cng;
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}
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if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
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return SWITCH_STATUS_FALSE;
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}
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if (switch_test_flag(tech_pvt, TFLAG_IO) && switch_test_flag(tech_pvt, TFLAG_VOICE)) {
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switch_clear_flag_locked(tech_pvt, TFLAG_VOICE);
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if (!tech_pvt->read_frame.datalen) {
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continue;
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}
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*frame = &tech_pvt->read_frame;
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return SWITCH_STATUS_SUCCESS;
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}
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if (timeout > -1) {
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elapsed = (unsigned int) ((switch_time_now() - started) / 1000);
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if (elapsed >= (unsigned int) timeout) {
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return SWITCH_STATUS_SUCCESS;
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}
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}
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switch_yield(1000);
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}
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return SWITCH_STATUS_FALSE;
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cng:
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data = (switch_byte_t *) tech_pvt->read_frame.data;
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data[0] = 65;
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data[1] = 0;
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tech_pvt->read_frame.datalen = 2;
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tech_pvt->read_frame.flags = SFF_CNG;
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*frame = &tech_pvt->read_frame;
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
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{
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switch_channel_t *channel = NULL;
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private_t *tech_pvt = NULL;
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//switch_frame_t *pframe;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
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return SWITCH_STATUS_FALSE;
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}
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#ifdef BIGENDIAN
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if (switch_test_flag(tech_pvt, TFLAG_LINEAR)) {
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switch_swap_linear(frame->data, (int) frame->datalen / 2);
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}
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#endif
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return SWITCH_STATUS_SUCCESS;
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}
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|
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static switch_status_t channel_answer_channel(switch_core_session_t *session)
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||||
{
|
||||
private_t *tech_pvt;
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switch_channel_t *channel = NULL;
|
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|
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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|
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tech_pvt = switch_core_session_get_private(session);
|
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assert(tech_pvt != NULL);
|
||||
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
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}
|
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|
||||
|
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static switch_status_t channel_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
|
||||
{
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switch_channel_t *channel;
|
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private_t *tech_pvt;
|
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|
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channel = switch_core_session_get_channel(session);
|
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assert(channel != NULL);
|
||||
|
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tech_pvt = (private_t *) switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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|
||||
switch (msg->message_id) {
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case SWITCH_MESSAGE_INDICATE_ANSWER:
|
||||
{
|
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channel_answer_channel(session);
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}
|
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break;
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default:
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break;
|
||||
}
|
||||
|
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return SWITCH_STATUS_SUCCESS;
|
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}
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/* Make sure when you have 2 sessions in the same scope that you pass the appropriate one to the routines
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that allocate memory or you will have 1 channel with memory allocated from another channel's pool!
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*/
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static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
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switch_caller_profile_t *outbound_profile,
|
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switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags)
|
||||
{
|
||||
if ((*new_session = switch_core_session_request(reference_endpoint_interface, pool)) != 0) {
|
||||
private_t *tech_pvt;
|
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switch_channel_t *channel;
|
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switch_caller_profile_t *caller_profile;
|
||||
|
||||
switch_core_session_add_stream(*new_session, NULL);
|
||||
if ((tech_pvt = (private_t *) switch_core_session_alloc(*new_session, sizeof(private_t))) != 0) {
|
||||
channel = switch_core_session_get_channel(*new_session);
|
||||
tech_init(tech_pvt, *new_session);
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Hey where is my memory pool?\n");
|
||||
switch_core_session_destroy(new_session);
|
||||
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
|
||||
}
|
||||
|
||||
if (outbound_profile) {
|
||||
char name[128];
|
||||
|
||||
snprintf(name, sizeof(name), "REFERENCE/%s", outbound_profile->destination_number);
|
||||
switch_channel_set_name(channel, name);
|
||||
|
||||
caller_profile = switch_caller_profile_clone(*new_session, outbound_profile);
|
||||
switch_channel_set_caller_profile(channel, caller_profile);
|
||||
tech_pvt->caller_profile = caller_profile;
|
||||
} else {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Doh! no caller profile\n");
|
||||
switch_core_session_destroy(new_session);
|
||||
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
|
||||
}
|
||||
|
||||
|
||||
|
||||
switch_channel_set_flag(channel, CF_OUTBOUND);
|
||||
switch_set_flag_locked(tech_pvt, TFLAG_OUTBOUND);
|
||||
switch_channel_set_state(channel, CS_INIT);
|
||||
return SWITCH_CAUSE_SUCCESS;
|
||||
}
|
||||
|
||||
return SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
|
||||
|
||||
}
|
||||
|
||||
static switch_status_t channel_receive_event(switch_core_session_t *session, switch_event_t *event)
|
||||
{
|
||||
struct private_object *tech_pvt = switch_core_session_get_private(session);
|
||||
char *body = switch_event_get_body(event);
|
||||
switch_assert(tech_pvt != NULL);
|
||||
|
||||
if (!body) {
|
||||
body = "";
|
||||
}
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
|
||||
switch_state_handler_table_t reference_state_handlers = {
|
||||
/*.on_init */ channel_on_init,
|
||||
/*.on_ring */ channel_on_ring,
|
||||
/*.on_execute */ channel_on_execute,
|
||||
/*.on_hangup */ channel_on_hangup,
|
||||
/*.on_loopback */ channel_on_loopback,
|
||||
/*.on_transmit */ channel_on_transmit
|
||||
};
|
||||
|
||||
switch_io_routines_t reference_io_routines = {
|
||||
/*.outgoing_channel */ channel_outgoing_channel,
|
||||
/*.read_frame */ channel_read_frame,
|
||||
/*.write_frame */ channel_write_frame,
|
||||
/*.kill_channel */ channel_kill_channel,
|
||||
/*.waitfor_read */ channel_waitfor_read,
|
||||
/*.waitfor_write */ channel_waitfor_write,
|
||||
/*.send_dtmf */ channel_send_dtmf,
|
||||
/*.receive_message*/ channel_receive_message,
|
||||
/*.receive_event */ channel_receive_event
|
||||
};
|
||||
|
||||
static switch_status_t load_config(void)
|
||||
{
|
||||
char *cf = "reference.conf";
|
||||
switch_xml_t cfg, xml, settings, param;
|
||||
|
||||
memset(&globals, 0, sizeof(globals));
|
||||
switch_mutex_init(&globals.mutex, SWITCH_MUTEX_NESTED, module_pool);
|
||||
if (!(xml = switch_xml_open_cfg(cf, &cfg, NULL))) {
|
||||
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "open of %s failed\n", cf);
|
||||
return SWITCH_STATUS_TERM;
|
||||
}
|
||||
|
||||
if ((settings = switch_xml_child(cfg, "settings"))) {
|
||||
for (param = switch_xml_child(settings, "param"); param; param = param->next) {
|
||||
char *var = (char *) switch_xml_attr_soft(param, "name");
|
||||
char *val = (char *) switch_xml_attr_soft(param, "value");
|
||||
|
||||
if (!strcmp(var, "debug")) {
|
||||
globals.debug = atoi(val);
|
||||
} else if (!strcmp(var, "port")) {
|
||||
globals.port = atoi(val);
|
||||
} else if (!strcmp(var, "ip")) {
|
||||
set_global_ip(val);
|
||||
} else if (!strcmp(var, "codec-master")) {
|
||||
if (!strcasecmp(val, "us")) {
|
||||
switch_set_flag(&globals, GFLAG_MY_CODEC_PREFS);
|
||||
}
|
||||
} else if (!strcmp(var, "dialplan")) {
|
||||
set_global_dialplan(val);
|
||||
} else if (!strcmp(var, "codec-prefs")) {
|
||||
set_global_codec_string(val);
|
||||
globals.codec_order_last = switch_separate_string(globals.codec_string, ',', globals.codec_order, SWITCH_MAX_CODECS);
|
||||
} else if (!strcmp(var, "codec-rates")) {
|
||||
set_global_codec_rates_string(val);
|
||||
globals.codec_rates_last = switch_separate_string(globals.codec_rates_string, ',', globals.codec_rates, SWITCH_MAX_CODECS);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!globals.dialplan) {
|
||||
set_global_dialplan("default");
|
||||
}
|
||||
|
||||
if (!globals.port) {
|
||||
globals.port = 4569;
|
||||
}
|
||||
|
||||
switch_xml_free(xml);
|
||||
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
SWITCH_MODULE_LOAD_FUNCTION(mod_reference_load)
|
||||
{
|
||||
|
||||
module_pool = pool;
|
||||
|
||||
load_config();
|
||||
|
||||
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
|
||||
reference_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
|
||||
reference_endpoint_interface->interface_name = "reference";
|
||||
reference_endpoint_interface->io_routines = &reference_io_routines;
|
||||
reference_endpoint_interface->state_handler = &reference_state_handlers;
|
||||
|
||||
|
||||
|
||||
/* indicate that the module should continue to be loaded */
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
/*
|
||||
SWITCH_MODULE_RUNTIME_FUNCTION(mod_reference_runtime)
|
||||
{
|
||||
return SWITCH_STATUS_TERM;
|
||||
}
|
||||
*/
|
||||
|
||||
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_reference_shutdown)
|
||||
{
|
||||
int x = 0;
|
||||
|
||||
running = -1;
|
||||
|
||||
while (running) {
|
||||
if (x++ > 100) {
|
||||
break;
|
||||
}
|
||||
switch_yield(20000);
|
||||
}
|
||||
return SWITCH_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
/* For Emacs:
|
||||
* Local Variables:
|
||||
* mode:c
|
||||
* indent-tabs-mode:t
|
||||
* tab-width:4
|
||||
* c-basic-offset:4
|
||||
* End:
|
||||
* For VIM:
|
||||
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 expandtab:
|
||||
*/
|
||||
Loading…
Reference in New Issue