static switch_status_t loopback_bowout_on_execute_state_handler(switch_core_session_t *session) { switch_channel_t *channel = switch_core_session_get_channel(session); switch_channel_state_t state = switch_channel_get_state(channel); private_t *tech_pvt = NULL; if (state == CS_EXECUTE) { const char *uuid; switch_core_session_t *other_session = NULL; switch_channel_t *b_channel = NULL; tech_pvt = switch_core_session_get_private(session); if (switch_core_session_read_lock(tech_pvt->other_session) == SWITCH_STATUS_SUCCESS) { b_channel = switch_core_session_get_channel(tech_pvt->other_session); /* Wait for b_channel to be fully bridged */ switch_channel_wait_for_flag(b_channel, CF_BRIDGED, SWITCH_TRUE, 5000, NULL); uuid = switch_channel_get_partner_uuid(b_channel); if (uuid && (other_session = switch_core_session_locate(uuid))) { switch_channel_t *other_channel = switch_core_session_get_channel(other_session); switch_caller_profile_t *cp, *clone; switch_channel_wait_for_state(other_channel, NULL, CS_EXCHANGE_MEDIA); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->other_session), SWITCH_LOG_INFO, "Replacing loopback channel: %s with real channel: %s\n", switch_channel_get_name(b_channel), switch_channel_get_name(other_channel)); if ((cp = switch_channel_get_caller_profile(channel))) { clone = switch_caller_profile_clone(other_session, cp); clone->originator_caller_profile = NULL; clone->originatee_caller_profile = NULL; switch_channel_set_caller_profile(other_channel, clone); } switch_channel_caller_extension_masquerade(channel, other_channel, 0); switch_channel_set_state(other_channel, CS_RESET); switch_channel_wait_for_state(other_channel, NULL, CS_RESET); switch_channel_set_variable(channel, "process_cdr", "false"); switch_channel_set_variable(b_channel, "process_cdr", "false"); switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING); switch_channel_set_state(other_channel, CS_EXECUTE); switch_core_session_rwunlock(other_session); } switch_core_session_rwunlock(tech_pvt->other_session); } switch_core_event_hook_remove_state_change(session, loopback_bowout_on_execute_state_handler); } return SWITCH_STATUS_SUCCESS; }
static switch_status_t channel_on_hangup(switch_core_session_t *session) { switch_channel_t *channel = NULL; private_t *tech_pvt = NULL; channel = switch_core_session_get_channel(session); switch_assert(channel != NULL); tech_pvt = switch_core_session_get_private(session); switch_assert(tech_pvt != NULL); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL HANGUP\n", switch_channel_get_name(channel)); switch_clear_flag_locked(tech_pvt, TFLAG_LINKED); switch_mutex_lock(tech_pvt->mutex); if (tech_pvt->other_tech_pvt) { switch_clear_flag_locked(tech_pvt->other_tech_pvt, TFLAG_LINKED); tech_pvt->other_tech_pvt = NULL; } if (tech_pvt->other_session) { switch_channel_hangup(tech_pvt->other_channel, switch_channel_get_cause(channel)); switch_core_session_rwunlock(tech_pvt->other_session); tech_pvt->other_channel = NULL; tech_pvt->other_session = NULL; } switch_mutex_unlock(tech_pvt->mutex); return SWITCH_STATUS_SUCCESS; }
int fs_switch_ivr_originate(switch_core_session_t *session, switch_core_session_t **bleg, char *bridgeto, uint32_t timelimit_sec) /*const switch_state_handler_table_t *table, char * cid_name_override, char * cid_num_override, switch_caller_profile_t *caller_profile_override) */ { switch_channel_t *caller_channel; switch_core_session_t *peer_session; unsigned int timelimit = 60; char *var; switch_call_cause_t cause = SWITCH_CAUSE_NORMAL_CLEARING; caller_channel = switch_core_session_get_channel(session); assert(caller_channel != NULL); if ((var = switch_channel_get_variable(caller_channel, "call_timeout"))) { timelimit = atoi(var); } if (switch_ivr_originate(session, &peer_session, &cause, bridgeto, timelimit, NULL, NULL, NULL, NULL, SOF_NONE) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Cannot Create Outgoing Channel!\n"); switch_channel_hangup(caller_channel, SWITCH_CAUSE_REQUESTED_CHAN_UNAVAIL); return; } else { switch_ivr_multi_threaded_bridge(session, peer_session, NULL, NULL, NULL); switch_core_session_rwunlock(peer_session); } }
static void event_handler(switch_event_t *event) { if (process_event(event) != SWITCH_STATUS_SUCCESS) { const char *peer_uuid = switch_event_get_header(event, "variable_signal_bond"); switch_core_session_t *peer_session = NULL; switch_channel_t *peer_channel = NULL; switch_event_t *peer_event = NULL; if (!peer_uuid) { return; } if (!(peer_session = switch_core_session_locate(peer_uuid))) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cant locate peer session for uuid %s\n", peer_uuid); return; } peer_channel = switch_core_session_get_channel(peer_session); if (switch_event_create(&peer_event, SWITCH_EVENT_CHANNEL_BRIDGE) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Cant create bridge event for peer channel %s\n", peer_uuid); goto end; } switch_channel_event_set_data(peer_channel, peer_event); end: switch_core_session_rwunlock(peer_session); if (peer_event) { process_event(peer_event); switch_event_destroy(&peer_event); } } }
/* You can turn on session heartbeat on a channel to have us check billing more often */ static void event_handler(switch_event_t *event) { switch_core_session_t *session; char *uuid; if (!event) { /* We should never get here - it means an event came in without the event info */ return; } /* Make sure everything is sane */ if (!(uuid = switch_event_get_header(event, "Unique-ID"))) { /* Donde esta channel? */ return; } switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Received request via %s!\n", switch_event_name(event->event_id)); /* Display debugging info */ if (switch_event_get_header(event, "nibble_debug")) { debug_event_handler(event); } /* Get session var */ if (!(session = switch_core_session_locate(uuid))) { return; } /* Go bill */ do_billing(session); switch_core_session_rwunlock(session); }
static switch_status_t process_event(switch_event_t *event) { switch_core_session_t *session = NULL; switch_channel_t *channel; char *username[3] = { 0 }; char *domain[3] = { 0 }; char key[512]; char *uuid = NULL, *my_uuid = NULL; int i; switch_thread_rwlock_rdlock(globals.spy_hash_lock); if (!globals.spy_count) { goto done; } username[0] = switch_event_get_header(event, "Caller-Username"); domain[0] = switch_event_get_header(event, "variable_domain_name"); domain[1] = switch_event_get_header(event, "variable_dialed_domain"); username[1] = switch_event_get_header(event, "variable_dialed_user"); username[2] = switch_event_get_header(event, "variable_user_name"); domain[2] = switch_event_get_header(event, "variable_domain_name"); for (i = 0; i < 3; i++) { if (username[i] && domain[i]) { switch_snprintf(key, sizeof(key), "%s@%s", username[i], domain[i]); if ((uuid = switch_core_hash_find(globals.spy_hash, key))) { break; } } } done: switch_thread_rwlock_unlock(globals.spy_hash_lock); if (!uuid) { return SWITCH_STATUS_FALSE; } session = switch_core_session_locate(uuid); channel = switch_core_session_get_channel(session); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "UserSpy retrieved uuid %s for key %s, activating eavesdrop \n", uuid, key); my_uuid = switch_event_get_header(event, "Unique-ID"); switch_channel_set_variable(channel, "spy_uuid", my_uuid); switch_channel_set_state(channel, CS_EXCHANGE_MEDIA); switch_channel_set_flag(channel, CF_BREAK); switch_core_session_rwunlock(session); return SWITCH_STATUS_SUCCESS; }
switch_core_session_t *fs_core_session_locate(char *uuid) { switch_core_session_t *session; if ((session = switch_core_session_locate(uuid))) { switch_core_session_rwunlock(session); } return session; }
/** * Stop execution of record component */ static iks *stop_call_record_component(struct rayo_actor *client, struct rayo_actor *component, iks *iq, void *data) { switch_core_session_t *session = switch_core_session_locate(RAYO_COMPONENT(component)->parent->id); if (session) { RECORD_COMPONENT(component)->stop = 1; switch_ivr_stop_record_session(session, RAYO_ID(component)); switch_core_session_rwunlock(session); } return iks_new_iq_result(iq); }
static switch_status_t handle_msg_sendmsg(listener_t *listener, int arity, ei_x_buff * buf, ei_x_buff * rbuf) { char uuid[SWITCH_UUID_FORMATTED_LENGTH + 1]; int headerlength; if (ei_decode_string_or_binary(buf->buff, &buf->index, SWITCH_UUID_FORMATTED_LENGTH, uuid) || ei_decode_list_header(buf->buff, &buf->index, &headerlength)) { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "badarg"); } else { switch_core_session_t *session; if (!zstr_buf(uuid) && (session = switch_core_session_locate(uuid))) { switch_event_t *event; if (switch_event_create(&event, SWITCH_EVENT_SEND_MESSAGE) == SWITCH_STATUS_SUCCESS) { char key[1024]; char value[1024]; int i = 0; switch_bool_t fail = SWITCH_FALSE; while (!ei_decode_tuple_header(buf->buff, &buf->index, &arity) && arity == 2) { i++; if (ei_decode_string(buf->buff, &buf->index, key) || ei_decode_string(buf->buff, &buf->index, value)) { fail = SWITCH_TRUE; break; } switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, key, value); } if (headerlength != i || fail) { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "badarg"); } else { if (switch_core_session_queue_private_event(session, &event, SWITCH_FALSE) == SWITCH_STATUS_SUCCESS) { ei_x_encode_atom(rbuf, "ok"); } else { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "badmem"); } } } /* release the lock returned by session locate */ switch_core_session_rwunlock(session); } else { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "nosession"); } } return SWITCH_STATUS_SUCCESS; }
/** * Stop execution of fax component */ static iks *stop_fax_component(struct rayo_actor *component, struct rayo_message *msg, void *data) { iks *iq = msg->payload; switch_core_session_t *session = switch_core_session_locate(RAYO_COMPONENT(component)->parent->id); FAX_COMPONENT(component)->stop = 1; if (session) { switch_core_session_execute_application_async(session, "stopfax", ""); switch_core_session_rwunlock(session); } return iks_new_iq_result(iq); }
/** * Close SSML document. * @param handle * @return SWITCH_STATUS_SUCCESS */ static switch_status_t rayo_file_close(switch_file_handle_t *handle) { struct rayo_file_context *context = (struct rayo_file_context *)handle->private_info; if (context && context->component) { struct output_component *output = OUTPUT_COMPONENT(context->component); /* send completion and destroy */ if (output->stop) { rayo_component_send_complete(context->component, COMPONENT_COMPLETE_STOP); } else { if (!strcmp(RAYO_ACTOR(context->component)->type, RAT_CALL_COMPONENT)) { /* call output... check for hangup */ switch_core_session_t *session = switch_core_session_locate(RAYO_ACTOR(context->component)->parent->id); if (session) { if (switch_channel_get_state(switch_core_session_get_channel(session)) >= CS_HANGUP) { rayo_component_send_complete(context->component, COMPONENT_COMPLETE_HANGUP); } else { rayo_component_send_complete(context->component, OUTPUT_FINISH); } switch_core_session_rwunlock(session); } else { /* session is gone */ rayo_component_send_complete(context->component, COMPONENT_COMPLETE_HANGUP); } } else { /* mixer output... finished */ rayo_component_send_complete(context->component, OUTPUT_FINISH); } } /* TODO timed out */ /* cleanup internals */ switch_safe_free(context->ssml); context->ssml = NULL; if (output->document) { iks_delete(output->document); output->document = NULL; } /* close SSML file */ if (switch_test_flag((&context->fh), SWITCH_FILE_OPEN)) { return switch_core_file_close(&context->fh); } } return SWITCH_STATUS_SUCCESS; }
static switch_status_t channel_on_execute(switch_core_session_t *session) { switch_channel_t *channel = NULL; private_t *tech_pvt = NULL; switch_caller_extension_t *exten; int bow = 0; channel = switch_core_session_get_channel(session); assert(channel != NULL); tech_pvt = switch_core_session_get_private(session); assert(tech_pvt != NULL); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL EXECUTE\n", switch_channel_get_name(channel)); if ((exten = switch_channel_get_caller_extension(channel))) { switch_caller_application_t *app_p; for (app_p = exten->applications; app_p; app_p = app_p->next) { int32_t flags; switch_core_session_get_app_flags(app_p->application_name, &flags); if ((flags & SAF_NO_LOOPBACK)) { bow = 1; break; } } } if (bow) { switch_core_session_t *other_session; const char *other_uuid; if ((find_non_loopback_bridge(tech_pvt->other_session, &other_session, &other_uuid) == SWITCH_STATUS_SUCCESS)) { switch_caller_extension_t *extension; switch_channel_t *other_channel = switch_core_session_get_channel(other_session); switch_caller_extension_clone(&extension, exten, switch_core_session_get_pool(other_session)); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_INFO, "BOWOUT Transfering current extension to non-loopback leg.\n"); switch_channel_transfer_to_extension(other_channel, extension); switch_core_session_rwunlock(other_session); } } return SWITCH_STATUS_SUCCESS; }
static void switch_core_standard_on_reset(switch_core_session_t *session) { switch_channel_set_variable(session->channel, "call_uuid", switch_core_session_get_uuid(session)); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s Standard RESET\n", switch_channel_get_name(session->channel)); if (switch_channel_test_flag(session->channel, CF_RECOVERING_BRIDGE)) { switch_core_session_t *other_session = NULL; const char *uuid = switch_core_session_get_uuid(session); if (switch_channel_test_flag(session->channel, CF_BRIDGE_ORIGINATOR)) { const char *other_uuid = switch_channel_get_partner_uuid(session->channel); int x = 0; if (other_uuid) { for (x = 0; other_session == NULL && x < 20; x++) { if (!switch_channel_up(session->channel)) { break; } other_session = switch_core_session_locate(other_uuid); switch_yield(100000); } } if (other_session) { switch_channel_t *other_channel = switch_core_session_get_channel(other_session); switch_channel_clear_flag(session->channel, CF_BRIDGE_ORIGINATOR); switch_channel_wait_for_state_timeout(other_channel, CS_RESET, 5000); switch_channel_wait_for_flag(other_channel, CF_MEDIA_ACK, SWITCH_TRUE, 2000, NULL); if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) && switch_channel_test_flag(other_channel, CF_PROXY_MODE)) { switch_ivr_signal_bridge(session, other_session); } else { switch_ivr_uuid_bridge(uuid, other_uuid); } switch_core_session_rwunlock(other_session); } } switch_channel_clear_flag(session->channel, CF_RECOVERING_BRIDGE); } }
static void put_text_msg(void *user_data, const uint8_t *msg, int len) { switch_tdd_t *pvt = (switch_tdd_t *) user_data; switch_event_t *event, *clone; switch_channel_t *channel = switch_core_session_get_channel(pvt->session); switch_core_session_t *other_session; switch_channel_add_variable_var_check(channel, "tdd_messages", (char *)msg, SWITCH_FALSE, SWITCH_STACK_PUSH); if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, MY_EVENT_TDD_RECV_MESSAGE) == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "login", "mod_spandsp"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "proto", "tdd"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "subject", "TDD MESSAGE"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "TDD-Data", (char *)msg); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(pvt->session)); switch_event_add_body(event, "%s\n\n", (char *)msg); if (switch_core_session_get_partner(pvt->session, &other_session) == SWITCH_STATUS_SUCCESS) { if (switch_event_dup(&clone, event) == SWITCH_STATUS_SUCCESS) { switch_core_session_receive_event(other_session, &clone); } if (switch_event_dup(&clone, event) == SWITCH_STATUS_SUCCESS) { switch_core_session_queue_event(other_session, &clone); } switch_core_session_rwunlock(other_session); } switch_event_fire(&event); } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "%s got TDD Message [%s]\n", switch_channel_get_name(channel), (char *)msg); }
static switch_status_t find_non_loopback_bridge(switch_core_session_t *session, switch_core_session_t **br_session, const char **br_uuid) { switch_channel_t *channel = switch_core_session_get_channel(session); const char *a_uuid = NULL; switch_core_session_t *sp; *br_session = NULL; *br_uuid = NULL; a_uuid = switch_channel_get_partner_uuid(channel); while (a_uuid && (sp = switch_core_session_locate(a_uuid))) { if (switch_core_session_check_interface(sp, loopback_endpoint_interface)) { private_t *tech_pvt; switch_channel_t *spchan = switch_core_session_get_channel(sp); switch_channel_wait_for_state_or_greater(spchan, channel, CS_ROUTING); tech_pvt = switch_core_session_get_private(sp); if (tech_pvt->other_channel) { a_uuid = switch_channel_get_partner_uuid(tech_pvt->other_channel); } switch_core_session_rwunlock(sp); sp = NULL; } else { break; } } if (sp) { *br_session = sp; *br_uuid = a_uuid; return SWITCH_STATUS_SUCCESS; } return SWITCH_STATUS_FALSE; }
/** * Notify completion of record component */ static void complete_record(struct rayo_component *component, const char *reason, const char *reason_namespace) { switch_core_session_t *session = NULL; const char *uuid = component->parent->id; char *uri = switch_mprintf("file://%s", RECORD_COMPONENT(component)->local_file_path); iks *recording; switch_size_t file_size = 0; /* TODO this doesn't work with HTTP */ #if 0 switch_file_t *file; if (switch_file_open(&file, RECORD_COMPONENT(component)->local_file_path, SWITCH_FOPEN_READ, SWITCH_FPROT_UREAD, RAYO_POOL(component)) == SWITCH_STATUS_SUCCESS) { file_size = switch_file_get_size(file); switch_file_close(file); } else { switch_log_printf(SWITCH_CHANNEL_UUID_LOG(uuid), SWITCH_LOG_INFO, "Failed to open %s.\n", RECORD_COMPONENT(component)->local_file_path); } #endif switch_log_printf(SWITCH_CHANNEL_UUID_LOG(uuid), SWITCH_LOG_DEBUG, "Recording %s done.\n", RECORD_COMPONENT(component)->local_file_path); if (RECORD_COMPONENT(component)->stop_beep && (session = switch_core_session_locate(uuid))) { switch_ivr_displace_session(session, RECORD_BEEP, 0, ""); switch_core_session_rwunlock(session); } /* send complete event to client */ recording = iks_new("recording"); iks_insert_attrib(recording, "xmlns", RAYO_RECORD_COMPLETE_NS); iks_insert_attrib(recording, "uri", uri); iks_insert_attrib_printf(recording, "duration", "%i", RECORD_COMPONENT(component)->duration_ms); iks_insert_attrib_printf(recording, "size", "%"SWITCH_SIZE_T_FMT, file_size); rayo_component_send_complete_with_metadata(component, reason, reason_namespace, recording, 1); iks_delete(recording); RAYO_UNLOCK(component); switch_safe_free(uri); }
/* {handlecall,<uuid>,<handler process registered name>} or {handlecall,<uuid>} to send messages back to the sender */ static switch_status_t handle_msg_handlecall(listener_t *listener, erlang_msg * msg, int arity, ei_x_buff * buf, ei_x_buff * rbuf) { char reg_name[MAXATOMLEN]; char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1]; if (arity < 2 || arity > 3 || (arity == 3 && ei_decode_atom(buf->buff, &buf->index, reg_name)) || ei_decode_string_or_binary(buf->buff, &buf->index, SWITCH_UUID_FORMATTED_LENGTH, uuid_str)) { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "badarg"); } else { switch_core_session_t *session; if (!zstr_buf(uuid_str)) { if ((session = switch_core_session_locate(uuid_str))) { /* create a new session list element and attach it to this listener */ if ((arity == 2 && attach_call_to_pid(listener, &msg->from, session)) || (arity == 3 && attach_call_to_registered_process(listener, reg_name, session))) { ei_x_encode_atom(rbuf, "ok"); } else { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "session_attach_failed"); } /* release the lock returned by session locate */ switch_core_session_rwunlock(session); } else { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "badsession"); } } else { ei_x_encode_tuple_header(rbuf, 2); ei_x_encode_atom(rbuf, "error"); ei_x_encode_atom(rbuf, "baduuid"); } } return SWITCH_STATUS_SUCCESS; }
static void transfer_call(switch_core_session_t *session, char *destination) { char *argv[4] = { 0 }; const char *uuid; switch_channel_t *channel = switch_core_session_get_channel(session); char *mydup; if (!destination) { return; } mydup = strdup(destination); switch_assert(mydup); switch_separate_string(mydup, ' ', argv, (sizeof(argv) / sizeof(argv[0]))); /* Find the uuid of our B leg. If it exists, transfer it first */ if ((uuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BOND_VARIABLE))) { switch_core_session_t *b_session; /* Get info on the B leg */ if ((b_session = switch_core_session_locate(uuid))) { /* Make sure we are in the media path on B leg */ switch_ivr_media(uuid, SMF_REBRIDGE); /* Transfer the B leg */ switch_ivr_session_transfer(b_session, argv[0], argv[1], argv[2]); switch_core_session_rwunlock(b_session); } } /* Make sure we are in the media path on A leg */ uuid = switch_core_session_get_uuid(session); switch_ivr_media(uuid, SMF_REBRIDGE); /* Transfer the A leg */ switch_ivr_session_transfer(session, argv[0], argv[1], argv[2]); free(mydup); }
SWITCH_DECLARE(void) CoreSession::destroy(void) { this_check_void(); if (!allocated) { return; } allocated = 0; switch_safe_free(xml_cdr_text); switch_safe_free(uuid); switch_safe_free(tts_name); switch_safe_free(voice_name); if (session) { if (!channel) { channel = switch_core_session_get_channel(session); } if (channel) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s destroy/unlink session from object\n", switch_channel_get_name(channel)); switch_channel_set_private(channel, "CoreSession", NULL); if (switch_channel_up(channel) && switch_test_flag(this, S_HUP) && !switch_channel_test_flag(channel, CF_TRANSFER)) { switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING); } } switch_core_session_rwunlock(session); session = NULL; channel = NULL; } init_vars(); }
SWITCH_DECLARE(switch_status_t) switch_core_media_bug_read(switch_media_bug_t *bug, switch_frame_t *frame, switch_bool_t fill) { switch_size_t bytes = 0, datalen = 0; int16_t *dp, *fp; uint32_t x; size_t rlen = 0; size_t wlen = 0; uint32_t blen; switch_codec_implementation_t read_impl = { 0 }; int16_t *tp; switch_size_t do_read = 0, do_write = 0; int fill_read = 0, fill_write = 0; switch_core_session_get_read_impl(bug->session, &read_impl); bytes = read_impl.decoded_bytes_per_packet; if (frame->buflen < bytes) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "%s frame buffer too small!\n", switch_channel_get_name(bug->session->channel)); return SWITCH_STATUS_FALSE; } if ((!bug->raw_read_buffer && (!bug->raw_write_buffer || !switch_test_flag(bug, SMBF_WRITE_STREAM)))) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "%s Buffer Error (raw_read_buffer=%p, raw_write_buffer=%p, read=%s, write=%s)\n", switch_channel_get_name(bug->session->channel), (void *)bug->raw_read_buffer, (void *)bug->raw_write_buffer, switch_test_flag(bug, SMBF_READ_STREAM) ? "yes" : "no", switch_test_flag(bug, SMBF_WRITE_STREAM) ? "yes" : "no"); return SWITCH_STATUS_FALSE; } frame->flags = 0; frame->datalen = 0; if (switch_test_flag(bug, SMBF_READ_STREAM)) { switch_mutex_lock(bug->read_mutex); do_read = switch_buffer_inuse(bug->raw_read_buffer); switch_mutex_unlock(bug->read_mutex); } if (switch_test_flag(bug, SMBF_WRITE_STREAM)) { switch_mutex_lock(bug->write_mutex); do_write = switch_buffer_inuse(bug->raw_write_buffer); switch_mutex_unlock(bug->write_mutex); } if (bug->record_frame_size && bug->record_pre_buffer_max && (do_read || do_write) && bug->record_pre_buffer_count < bug->record_pre_buffer_max) { bug->record_pre_buffer_count++; return SWITCH_STATUS_FALSE; } if (!bug->record_frame_size) { switch_size_t frame_size; switch_codec_implementation_t read_impl = { 0 }; //switch_codec_implementation_t other_read_impl = { 0 }; //switch_core_session_t *other_session; switch_core_session_get_read_impl(bug->session, &read_impl); frame_size = read_impl.decoded_bytes_per_packet; bug->record_frame_size = frame_size; #if 0 if (do_read && do_write) { if (switch_core_session_get_partner(bug->session, &other_session) == SWITCH_STATUS_SUCCESS) { switch_core_session_get_read_impl(other_session, &other_read_impl); switch_core_session_rwunlock(other_session); if (read_impl.actual_samples_per_second == other_read_impl.actual_samples_per_second) { if (read_impl.decoded_bytes_per_packet < other_read_impl.decoded_bytes_per_packet) { frame_size = read_impl.decoded_bytes_per_packet; } } else { if (read_impl.decoded_bytes_per_packet > other_read_impl.decoded_bytes_per_packet) { frame_size = read_impl.decoded_bytes_per_packet; } } } bug->record_frame_size = frame_size; } #endif } if (bug->record_frame_size) { if ((do_read && do_read < bug->record_frame_size) || (do_write && do_write < bug->record_frame_size)) { return SWITCH_STATUS_FALSE; } if (do_read && do_read > bug->record_frame_size) { do_read = bug->record_frame_size; } if (do_write && do_write > bug->record_frame_size) { do_write = bug->record_frame_size; } } fill_read = !do_read; fill_write = !do_write; if (fill_read && fill_write) { return SWITCH_STATUS_FALSE; } if (do_read && do_read > SWITCH_RECOMMENDED_BUFFER_SIZE) { do_read = 1280; } if (do_write && do_write > SWITCH_RECOMMENDED_BUFFER_SIZE) { do_write = 1280; } if (do_read) { switch_mutex_lock(bug->read_mutex); frame->datalen = (uint32_t) switch_buffer_read(bug->raw_read_buffer, frame->data, do_read); if (frame->datalen != do_read) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "Framing Error Reading!\n"); switch_core_media_bug_flush(bug); switch_mutex_unlock(bug->read_mutex); return SWITCH_STATUS_FALSE; } switch_mutex_unlock(bug->read_mutex); } else if (fill_read) { frame->datalen = bytes; memset(frame->data, 255, frame->datalen); } if (do_write) { switch_assert(bug->raw_write_buffer); switch_mutex_lock(bug->write_mutex); datalen = (uint32_t) switch_buffer_read(bug->raw_write_buffer, bug->data, do_write); if (datalen != do_write) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(switch_core_media_bug_get_session(bug)), SWITCH_LOG_ERROR, "Framing Error Writing!\n"); switch_core_media_bug_flush(bug); switch_mutex_unlock(bug->write_mutex); return SWITCH_STATUS_FALSE; } switch_mutex_unlock(bug->write_mutex); } else if (fill_write) { datalen = bytes; memset(bug->data, 255, datalen); } tp = bug->tmp; dp = (int16_t *) bug->data; fp = (int16_t *) frame->data; rlen = frame->datalen / 2; wlen = datalen / 2; blen = bytes / 2; if (switch_test_flag(bug, SMBF_STEREO)) { int16_t *left, *right; size_t left_len, right_len; if (switch_test_flag(bug, SMBF_STEREO_SWAP)) { left = dp; /* write stream */ left_len = wlen; right = fp; /* read stream */ right_len = rlen; } else { left = fp; /* read stream */ left_len = rlen; right = dp; /* write stream */ right_len = wlen; } for (x = 0; x < blen; x++) { if (x < left_len) { *(tp++) = *(left + x); } else { *(tp++) = 0; } if (x < right_len) { *(tp++) = *(right + x); } else { *(tp++) = 0; } } memcpy(frame->data, bug->tmp, bytes * 2); } else { for (x = 0; x < blen; x++) { int32_t w = 0, r = 0, z = 0; if (x < rlen) { r = (int32_t) * (fp + x); } if (x < wlen) { w = (int32_t) * (dp + x); } z = w + r; if (z > SWITCH_SMAX || z < SWITCH_SMIN) { if (r) z += (r/2); if (w) z += (w/2); } switch_normalize_to_16bit(z); *(fp + x) = (int16_t) z; } } frame->datalen = bytes; frame->samples = bytes / sizeof(int16_t); frame->rate = read_impl.actual_samples_per_second; frame->codec = NULL; if (fill_read && fill_write) { return SWITCH_STATUS_BREAK; } if (fill_read || fill_write) { return SWITCH_STATUS_BREAK; } memcpy(bug->session->recur_buffer, frame->data, frame->datalen); bug->session->recur_buffer_len = frame->datalen; return SWITCH_STATUS_SUCCESS; }
SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id) { switch_status_t status = SWITCH_STATUS_FALSE; switch_frame_t *enc_frame = NULL, *write_frame = frame; unsigned int flag = 0, need_codec = 0, perfect = 0, do_bugs = 0, do_write = 0, do_resample = 0, ptime_mismatch = 0, pass_cng = 0, resample = 0; int did_write_resample = 0; switch_assert(session != NULL); switch_assert(frame != NULL); if (!switch_channel_ready(session->channel)) { return SWITCH_STATUS_FALSE; } if (switch_mutex_trylock(session->codec_write_mutex) == SWITCH_STATUS_SUCCESS) { switch_mutex_unlock(session->codec_write_mutex); } else { return SWITCH_STATUS_SUCCESS; } if (switch_test_flag(frame, SFF_CNG)) { if (switch_channel_test_flag(session->channel, CF_ACCEPT_CNG)) { pass_cng = 1; } else { return SWITCH_STATUS_SUCCESS; } } if (!(session->write_codec && switch_core_codec_ready(session->write_codec)) && !pass_cng) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no write codec.\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION); return SWITCH_STATUS_FALSE; } if (switch_channel_test_flag(session->channel, CF_HOLD)) { return SWITCH_STATUS_SUCCESS; } if (switch_test_flag(frame, SFF_PROXY_PACKET) || pass_cng) { /* Fast PASS! */ switch_mutex_lock(session->codec_write_mutex); status = perform_write(session, frame, flag, stream_id); switch_mutex_unlock(session->codec_write_mutex); return status; } switch_mutex_lock(session->codec_write_mutex); if (!(frame->codec && frame->codec->implementation)) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has received a bad frame with no codec!\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER); switch_mutex_unlock(session->codec_write_mutex); return SWITCH_STATUS_FALSE; } switch_assert(frame->codec != NULL); switch_assert(frame->codec->implementation != NULL); if (!(switch_core_codec_ready(session->write_codec) && frame->codec) || !switch_channel_ready(session->channel) || !switch_channel_media_ready(session->channel)) { switch_mutex_unlock(session->codec_write_mutex); return SWITCH_STATUS_FALSE; } switch_mutex_lock(session->write_codec->mutex); switch_mutex_lock(frame->codec->mutex); if (!(switch_core_codec_ready(session->write_codec) && switch_core_codec_ready(frame->codec))) goto error; if ((session->write_codec && frame->codec && session->write_codec->implementation != frame->codec->implementation)) { if (session->write_impl.codec_id == frame->codec->implementation->codec_id || session->write_impl.microseconds_per_packet != frame->codec->implementation->microseconds_per_packet) { ptime_mismatch = TRUE; if ((switch_test_flag(frame->codec, SWITCH_CODEC_FLAG_PASSTHROUGH) || switch_test_flag(session->read_codec, SWITCH_CODEC_FLAG_PASSTHROUGH)) || switch_channel_test_flag(session->channel, CF_PASSTHRU_PTIME_MISMATCH)) { status = perform_write(session, frame, flags, stream_id); goto error; } } need_codec = TRUE; } if (session->write_codec && !frame->codec) { need_codec = TRUE; } if (session->bugs && !need_codec) { do_bugs = TRUE; need_codec = TRUE; } if (frame->codec->implementation->actual_samples_per_second != session->write_impl.actual_samples_per_second) { need_codec = TRUE; do_resample = TRUE; } if (switch_test_flag(session, SSF_WRITE_TRANSCODE) && !need_codec && switch_core_codec_ready(session->write_codec)) { switch_core_session_t *other_session; const char *uuid = switch_channel_get_variable(switch_core_session_get_channel(session), SWITCH_SIGNAL_BOND_VARIABLE); if (uuid && (other_session = switch_core_session_locate(uuid))) { switch_set_flag(other_session, SSF_READ_CODEC_RESET); switch_set_flag(other_session, SSF_READ_CODEC_RESET); switch_set_flag(other_session, SSF_WRITE_CODEC_RESET); switch_core_session_rwunlock(other_session); } switch_clear_flag(session, SSF_WRITE_TRANSCODE); } if (switch_test_flag(session, SSF_WRITE_CODEC_RESET)) { switch_core_codec_reset(session->write_codec); switch_clear_flag(session, SSF_WRITE_CODEC_RESET); } if (!need_codec) { do_write = TRUE; write_frame = frame; goto done; } if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) { switch_core_session_message_t msg = { 0 }; msg.message_id = SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY; switch_core_session_receive_message(session, &msg); switch_set_flag(session, SSF_WARN_TRANSCODE); } if (frame->codec) { session->raw_write_frame.datalen = session->raw_write_frame.buflen; status = switch_core_codec_decode(frame->codec, session->write_codec, frame->data, frame->datalen, session->write_impl.actual_samples_per_second, session->raw_write_frame.data, &session->raw_write_frame.datalen, &session->raw_write_frame.rate, &frame->flags); if (do_resample && status == SWITCH_STATUS_SUCCESS) { status = SWITCH_STATUS_RESAMPLE; } switch (status) { case SWITCH_STATUS_RESAMPLE: resample++; write_frame = &session->raw_write_frame; write_frame->rate = frame->codec->implementation->actual_samples_per_second; if (!session->write_resampler) { switch_mutex_lock(session->resample_mutex); status = switch_resample_create(&session->write_resampler, frame->codec->implementation->actual_samples_per_second, session->write_impl.actual_samples_per_second, session->write_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1); switch_mutex_unlock(session->resample_mutex); if (status != SWITCH_STATUS_SUCCESS) { goto done; } } break; case SWITCH_STATUS_SUCCESS: session->raw_write_frame.samples = session->raw_write_frame.datalen / sizeof(int16_t); session->raw_write_frame.timestamp = frame->timestamp; session->raw_write_frame.rate = frame->rate; session->raw_write_frame.m = frame->m; session->raw_write_frame.ssrc = frame->ssrc; session->raw_write_frame.seq = frame->seq; session->raw_write_frame.payload = frame->payload; session->raw_write_frame.flags = 0; if (switch_test_flag(frame, SFF_PLC)) { session->raw_write_frame.flags |= SFF_PLC; } write_frame = &session->raw_write_frame; break; case SWITCH_STATUS_BREAK: status = SWITCH_STATUS_SUCCESS; goto error; case SWITCH_STATUS_NOOP: if (session->write_resampler) { switch_mutex_lock(session->resample_mutex); switch_resample_destroy(&session->write_resampler); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating write resampler\n"); switch_mutex_unlock(session->resample_mutex); } write_frame = frame; status = SWITCH_STATUS_SUCCESS; break; default: if (status == SWITCH_STATUS_NOT_INITALIZED) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n"); goto error; } if (ptime_mismatch) { status = perform_write(session, frame, flags, stream_id); status = SWITCH_STATUS_SUCCESS; goto error; } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s decoder error!\n", frame->codec->codec_interface->interface_name); goto error; } } if (session->write_resampler) { short *data = write_frame->data; switch_mutex_lock(session->resample_mutex); if (session->write_resampler) { switch_resample_process(session->write_resampler, data, write_frame->datalen / 2); memcpy(data, session->write_resampler->to, session->write_resampler->to_len * 2); write_frame->samples = session->write_resampler->to_len; write_frame->datalen = write_frame->samples * 2; write_frame->rate = session->write_resampler->to_rate; did_write_resample = 1; } switch_mutex_unlock(session->resample_mutex); } if (session->bugs) { switch_media_bug_t *bp; int prune = 0; switch_thread_rwlock_rdlock(session->bug_rwlock); for (bp = session->bugs; bp; bp = bp->next) { switch_bool_t ok = SWITCH_TRUE; if (!bp->ready) { continue; } if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) { continue; } if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) { continue; } if (switch_test_flag(bp, SMBF_PRUNE)) { prune++; continue; } if (switch_test_flag(bp, SMBF_WRITE_STREAM)) { switch_mutex_lock(bp->write_mutex); switch_buffer_write(bp->raw_write_buffer, write_frame->data, write_frame->datalen); switch_mutex_unlock(bp->write_mutex); if (bp->callback) { ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE); } } if (switch_test_flag(bp, SMBF_WRITE_REPLACE)) { do_bugs = 0; if (bp->callback) { bp->write_replace_frame_in = write_frame; bp->write_replace_frame_out = write_frame; if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_WRITE_REPLACE)) == SWITCH_TRUE) { write_frame = bp->write_replace_frame_out; } } } if (bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL)) { ok = SWITCH_FALSE; } if (ok == SWITCH_FALSE) { switch_set_flag(bp, SMBF_PRUNE); prune++; } } switch_thread_rwlock_unlock(session->bug_rwlock); if (prune) { switch_core_media_bug_prune(session); } } if (do_bugs) { do_write = TRUE; write_frame = frame; goto done; } if (session->write_codec) { if (!ptime_mismatch && write_frame->codec && write_frame->codec->implementation && write_frame->codec->implementation->decoded_bytes_per_packet == session->write_impl.decoded_bytes_per_packet) { perfect = TRUE; } if (perfect) { if (write_frame->datalen < session->write_impl.decoded_bytes_per_packet) { memset(write_frame->data, 255, session->write_impl.decoded_bytes_per_packet - write_frame->datalen); write_frame->datalen = session->write_impl.decoded_bytes_per_packet; } enc_frame = write_frame; session->enc_write_frame.datalen = session->enc_write_frame.buflen; status = switch_core_codec_encode(session->write_codec, frame->codec, enc_frame->data, enc_frame->datalen, session->write_impl.actual_samples_per_second, session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag); switch (status) { case SWITCH_STATUS_RESAMPLE: resample++; /* switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Fixme 2\n"); */ case SWITCH_STATUS_SUCCESS: session->enc_write_frame.codec = session->write_codec; session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t); if (frame->codec->implementation->samples_per_packet != session->write_impl.samples_per_packet) { session->enc_write_frame.timestamp = 0; } else { session->enc_write_frame.timestamp = frame->timestamp; } session->enc_write_frame.payload = session->write_impl.ianacode; session->enc_write_frame.m = frame->m; session->enc_write_frame.ssrc = frame->ssrc; session->enc_write_frame.seq = frame->seq; write_frame = &session->enc_write_frame; break; case SWITCH_STATUS_NOOP: enc_frame->codec = session->write_codec; enc_frame->samples = enc_frame->datalen / sizeof(int16_t); enc_frame->timestamp = frame->timestamp; enc_frame->m = frame->m; enc_frame->seq = frame->seq; enc_frame->ssrc = frame->ssrc; enc_frame->payload = enc_frame->codec->implementation->ianacode; write_frame = enc_frame; status = SWITCH_STATUS_SUCCESS; break; case SWITCH_STATUS_NOT_INITALIZED: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n"); write_frame = NULL; goto error; default: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error!\n", session->read_codec->codec_interface->interface_name); write_frame = NULL; goto error; } if (flag & SFF_CNG) { switch_set_flag(write_frame, SFF_CNG); } status = perform_write(session, write_frame, flags, stream_id); goto error; } else { if (!session->raw_write_buffer) { switch_size_t bytes_per_packet = session->write_impl.decoded_bytes_per_packet; switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Engaging Write Buffer at %u bytes to accommodate %u->%u\n", (uint32_t) bytes_per_packet, write_frame->datalen, session->write_impl.decoded_bytes_per_packet); if ((status = switch_buffer_create_dynamic(&session->raw_write_buffer, bytes_per_packet * SWITCH_BUFFER_BLOCK_FRAMES, bytes_per_packet * SWITCH_BUFFER_START_FRAMES, 0)) != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Write Buffer Failed!\n"); goto error; } } if (!(switch_buffer_write(session->raw_write_buffer, write_frame->data, write_frame->datalen))) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Write Buffer %u bytes Failed!\n", write_frame->datalen); status = SWITCH_STATUS_MEMERR; goto error; } status = SWITCH_STATUS_SUCCESS; while (switch_buffer_inuse(session->raw_write_buffer) >= session->write_impl.decoded_bytes_per_packet) { int rate; if (switch_channel_down(session->channel) || !session->raw_write_buffer) { goto error; } if ((session->raw_write_frame.datalen = (uint32_t) switch_buffer_read(session->raw_write_buffer, session->raw_write_frame.data, session->write_impl.decoded_bytes_per_packet)) == 0) { goto error; } enc_frame = &session->raw_write_frame; session->raw_write_frame.rate = session->write_impl.actual_samples_per_second; session->enc_write_frame.datalen = session->enc_write_frame.buflen; session->enc_write_frame.timestamp = 0; if (frame->codec && frame->codec->implementation && switch_core_codec_ready(frame->codec)) { rate = frame->codec->implementation->actual_samples_per_second; } else { rate = session->write_impl.actual_samples_per_second; } status = switch_core_codec_encode(session->write_codec, frame->codec, enc_frame->data, enc_frame->datalen, rate, session->enc_write_frame.data, &session->enc_write_frame.datalen, &session->enc_write_frame.rate, &flag); switch (status) { case SWITCH_STATUS_RESAMPLE: resample++; session->enc_write_frame.codec = session->write_codec; session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t); session->enc_write_frame.m = frame->m; session->enc_write_frame.ssrc = frame->ssrc; session->enc_write_frame.payload = session->write_impl.ianacode; write_frame = &session->enc_write_frame; if (!session->write_resampler) { switch_mutex_lock(session->resample_mutex); if (!session->write_resampler) { status = switch_resample_create(&session->write_resampler, frame->codec->implementation->actual_samples_per_second, session->write_impl.actual_samples_per_second, session->write_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1); } switch_mutex_unlock(session->resample_mutex); if (status != SWITCH_STATUS_SUCCESS) { goto done; } } break; case SWITCH_STATUS_SUCCESS: session->enc_write_frame.codec = session->write_codec; session->enc_write_frame.samples = enc_frame->datalen / sizeof(int16_t); session->enc_write_frame.m = frame->m; session->enc_write_frame.ssrc = frame->ssrc; session->enc_write_frame.payload = session->write_impl.ianacode; write_frame = &session->enc_write_frame; break; case SWITCH_STATUS_NOOP: if (session->write_resampler) { switch_mutex_lock(session->resample_mutex); if (session->write_resampler) { switch_resample_destroy(&session->write_resampler); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating write resampler\n"); } switch_mutex_unlock(session->resample_mutex); } enc_frame->codec = session->write_codec; enc_frame->samples = enc_frame->datalen / sizeof(int16_t); enc_frame->m = frame->m; enc_frame->ssrc = frame->ssrc; enc_frame->payload = enc_frame->codec->implementation->ianacode; write_frame = enc_frame; status = SWITCH_STATUS_SUCCESS; break; case SWITCH_STATUS_NOT_INITALIZED: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n"); write_frame = NULL; goto error; default: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error %d!\n", session->read_codec->codec_interface->interface_name, status); write_frame = NULL; goto error; } if (!did_write_resample && session->read_resampler) { short *data = write_frame->data; switch_mutex_lock(session->resample_mutex); if (session->read_resampler) { switch_resample_process(session->read_resampler, data, write_frame->datalen / 2); memcpy(data, session->read_resampler->to, session->read_resampler->to_len * 2); write_frame->samples = session->read_resampler->to_len; write_frame->datalen = session->read_resampler->to_len * 2; write_frame->rate = session->read_resampler->to_rate; } switch_mutex_unlock(session->resample_mutex); } if (flag & SFF_CNG) { switch_set_flag(write_frame, SFF_CNG); } if (ptime_mismatch || resample) { write_frame->timestamp = 0; } if ((status = perform_write(session, write_frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) { break; } } goto error; } } done: if (ptime_mismatch || resample) { write_frame->timestamp = 0; } if (do_write) { status = perform_write(session, write_frame, flags, stream_id); } error: switch_mutex_unlock(session->write_codec->mutex); switch_mutex_unlock(frame->codec->mutex); switch_mutex_unlock(session->codec_write_mutex); return status; }
SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id) { switch_io_event_hook_read_frame_t *ptr; switch_status_t status = SWITCH_STATUS_FALSE; int need_codec, perfect, do_bugs = 0, do_resample = 0, is_cng = 0; switch_codec_implementation_t codec_impl; unsigned int flag = 0; switch_assert(session != NULL); if (switch_mutex_trylock(session->codec_read_mutex) == SWITCH_STATUS_SUCCESS) { switch_mutex_unlock(session->codec_read_mutex); } else { switch_cond_next(); *frame = &runtime.dummy_cng_frame; return SWITCH_STATUS_SUCCESS; } if (!(session->read_codec && session->read_codec->implementation && switch_core_codec_ready(session->read_codec))) { if (switch_channel_test_flag(session->channel, CF_PROXY_MODE) || switch_channel_get_state(session->channel) == CS_HIBERNATE) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_CRIT, "%s reading on a session with no media!\n", switch_channel_get_name(session->channel)); switch_cond_next(); *frame = &runtime.dummy_cng_frame; return SWITCH_STATUS_SUCCESS; } switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION); return SWITCH_STATUS_FALSE; } switch_mutex_lock(session->codec_read_mutex); if (!switch_core_codec_ready(session->read_codec)) { switch_mutex_unlock(session->codec_read_mutex); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION); *frame = &runtime.dummy_cng_frame; return SWITCH_STATUS_FALSE; } switch_mutex_lock(session->read_codec->mutex); top: if (session->dmachine && !switch_channel_test_flag(session->channel, CF_BROADCAST)) { switch_ivr_dmachine_ping(session->dmachine, NULL); } if (switch_channel_down(session->channel) || !switch_core_codec_ready(session->read_codec)) { *frame = NULL; status = SWITCH_STATUS_FALSE; goto even_more_done; } status = SWITCH_STATUS_FALSE; need_codec = perfect = 0; *frame = NULL; if (session->read_codec && !session->track_id && session->track_duration) { if (session->read_frame_count == 0) { switch_event_t *event; session->read_frame_count = (session->read_impl.actual_samples_per_second / session->read_impl.samples_per_packet) * session->track_duration; switch_event_create(&event, SWITCH_EVENT_SESSION_HEARTBEAT); switch_channel_event_set_data(session->channel, event); switch_event_fire(&event); } else { session->read_frame_count--; } } if (switch_channel_test_flag(session->channel, CF_HOLD)) { switch_yield(session->read_impl.microseconds_per_packet); status = SWITCH_STATUS_BREAK; goto even_more_done; } if (session->endpoint_interface->io_routines->read_frame) { switch_mutex_unlock(session->read_codec->mutex); switch_mutex_unlock(session->codec_read_mutex); if ((status = session->endpoint_interface->io_routines->read_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) { for (ptr = session->event_hooks.read_frame; ptr; ptr = ptr->next) { if ((status = ptr->read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) { break; } } } if (!SWITCH_READ_ACCEPTABLE(status) || !session->read_codec || !switch_core_codec_ready(session->read_codec)) { *frame = NULL; return SWITCH_STATUS_FALSE; } switch_mutex_lock(session->codec_read_mutex); if (!switch_core_codec_ready(session->read_codec)) { switch_mutex_unlock(session->codec_read_mutex); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "%s has no read codec.\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_INCOMPATIBLE_DESTINATION); *frame = &runtime.dummy_cng_frame; return SWITCH_STATUS_FALSE; } switch_mutex_lock(session->read_codec->mutex); if (!switch_core_codec_ready(session->read_codec)) { *frame = NULL; status = SWITCH_STATUS_FALSE; goto even_more_done; } } if (status != SWITCH_STATUS_SUCCESS) { goto done; } if (!(*frame)) { goto done; } switch_assert(*frame != NULL); if (switch_test_flag(*frame, SFF_PROXY_PACKET)) { /* Fast PASS! */ status = SWITCH_STATUS_SUCCESS; goto done; } if (switch_test_flag(*frame, SFF_CNG)) { status = SWITCH_STATUS_SUCCESS; if (!session->bugs && !session->plc) { goto done; } is_cng = 1; } switch_assert((*frame)->codec != NULL); if (!(session->read_codec && (*frame)->codec && (*frame)->codec->implementation) && switch_core_codec_ready((*frame)->codec)) { status = SWITCH_STATUS_FALSE; goto done; } codec_impl = *(*frame)->codec->implementation; if (session->read_codec->implementation->impl_id != codec_impl.impl_id) { need_codec = TRUE; } if (codec_impl.actual_samples_per_second != session->read_impl.actual_samples_per_second) { do_resample = 1; } if (session->bugs && !need_codec) { do_bugs = 1; need_codec = 1; } if (switch_test_flag(session, SSF_READ_TRANSCODE) && !need_codec && switch_core_codec_ready(session->read_codec)) { switch_core_session_t *other_session; const char *uuid = switch_channel_get_variable(switch_core_session_get_channel(session), SWITCH_SIGNAL_BOND_VARIABLE); switch_clear_flag(session, SSF_READ_TRANSCODE); if (uuid && (other_session = switch_core_session_locate(uuid))) { switch_set_flag(other_session, SSF_READ_CODEC_RESET); switch_set_flag(other_session, SSF_READ_CODEC_RESET); switch_set_flag(other_session, SSF_WRITE_CODEC_RESET); switch_core_session_rwunlock(other_session); } } if (switch_test_flag(session, SSF_READ_CODEC_RESET)) { switch_core_codec_reset(session->read_codec); switch_clear_flag(session, SSF_READ_CODEC_RESET); } if (status == SWITCH_STATUS_SUCCESS && need_codec) { switch_frame_t *enc_frame, *read_frame = *frame; switch_set_flag(session, SSF_READ_TRANSCODE); if (!switch_test_flag(session, SSF_WARN_TRANSCODE)) { switch_core_session_message_t msg = { 0 }; msg.message_id = SWITCH_MESSAGE_INDICATE_TRANSCODING_NECESSARY; switch_core_session_receive_message(session, &msg); switch_set_flag(session, SSF_WARN_TRANSCODE); } if (read_frame->codec || is_cng) { session->raw_read_frame.datalen = session->raw_read_frame.buflen; if (is_cng) { if (session->plc) { plc_fillin(session->plc, session->raw_read_frame.data, read_frame->codec->implementation->decoded_bytes_per_packet / 2); is_cng = 0; flag &= !SFF_CNG; } else { memset(session->raw_read_frame.data, 255, read_frame->codec->implementation->decoded_bytes_per_packet); } session->raw_read_frame.timestamp = 0; session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet; session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t); read_frame = &session->raw_read_frame; status = SWITCH_STATUS_SUCCESS; } else { switch_codec_t *use_codec = read_frame->codec; if (do_bugs) { switch_thread_rwlock_wrlock(session->bug_rwlock); if (!session->bugs) { do_bugs = 0; switch_thread_rwlock_unlock(session->bug_rwlock); goto done; } if (!switch_core_codec_ready(&session->bug_codec)) { switch_core_codec_copy(read_frame->codec, &session->bug_codec, NULL); } use_codec = &session->bug_codec; switch_thread_rwlock_unlock(session->bug_rwlock); switch_thread_rwlock_wrlock(session->bug_rwlock); if (!session->bugs) { do_bugs = 0; } switch_thread_rwlock_unlock(session->bug_rwlock); if (!do_bugs) goto done; } if (switch_test_flag(read_frame, SFF_PLC)) { session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet; session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t); memset(session->raw_read_frame.data, 255, session->raw_read_frame.datalen); status = SWITCH_STATUS_SUCCESS; } else { status = switch_core_codec_decode(use_codec, session->read_codec, read_frame->data, read_frame->datalen, session->read_impl.actual_samples_per_second, session->raw_read_frame.data, &session->raw_read_frame.datalen, &session->raw_read_frame.rate, &read_frame->flags); } if (status == SWITCH_STATUS_SUCCESS) { if ((switch_channel_test_flag(session->channel, CF_JITTERBUFFER) || switch_channel_test_flag(session->channel, CF_CNG_PLC)) && !session->plc) { session->plc = plc_init(NULL); } if (session->plc) { if (switch_test_flag(read_frame, SFF_PLC)) { plc_fillin(session->plc, session->raw_read_frame.data, session->raw_read_frame.datalen / 2); switch_clear_flag(read_frame, SFF_PLC); } else { plc_rx(session->plc, session->raw_read_frame.data, session->raw_read_frame.datalen / 2); } } } } if (do_resample && ((status == SWITCH_STATUS_SUCCESS) || is_cng)) { status = SWITCH_STATUS_RESAMPLE; } switch (status) { case SWITCH_STATUS_RESAMPLE: if (!session->read_resampler) { switch_mutex_lock(session->resample_mutex); status = switch_resample_create(&session->read_resampler, read_frame->codec->implementation->actual_samples_per_second, session->read_impl.actual_samples_per_second, session->read_impl.decoded_bytes_per_packet, SWITCH_RESAMPLE_QUALITY, 1); switch_mutex_unlock(session->resample_mutex); if (status != SWITCH_STATUS_SUCCESS) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Unable to allocate resampler\n"); status = SWITCH_STATUS_FALSE; goto done; } } case SWITCH_STATUS_SUCCESS: session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t); session->raw_read_frame.rate = read_frame->rate; if (read_frame->codec->implementation->samples_per_packet != session->read_impl.samples_per_packet) { session->raw_read_frame.timestamp = 0; } else { session->raw_read_frame.timestamp = read_frame->timestamp; } session->raw_read_frame.ssrc = read_frame->ssrc; session->raw_read_frame.seq = read_frame->seq; session->raw_read_frame.m = read_frame->m; session->raw_read_frame.payload = read_frame->payload; session->raw_read_frame.flags = 0; if (switch_test_flag(read_frame, SFF_PLC)) { session->raw_read_frame.flags |= SFF_PLC; } read_frame = &session->raw_read_frame; break; case SWITCH_STATUS_NOOP: if (session->read_resampler) { switch_mutex_lock(session->resample_mutex); switch_resample_destroy(&session->read_resampler); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "Deactivating read resampler\n"); switch_mutex_unlock(session->resample_mutex); } status = SWITCH_STATUS_SUCCESS; break; case SWITCH_STATUS_BREAK: memset(session->raw_read_frame.data, 255, read_frame->codec->implementation->decoded_bytes_per_packet); session->raw_read_frame.datalen = read_frame->codec->implementation->decoded_bytes_per_packet; session->raw_read_frame.samples = session->raw_read_frame.datalen / sizeof(int16_t); session->raw_read_frame.timestamp = read_frame->timestamp; session->raw_read_frame.rate = read_frame->rate; session->raw_read_frame.ssrc = read_frame->ssrc; session->raw_read_frame.seq = read_frame->seq; session->raw_read_frame.m = read_frame->m; session->raw_read_frame.payload = read_frame->payload; session->raw_read_frame.flags = 0; if (switch_test_flag(read_frame, SFF_PLC)) { session->raw_read_frame.flags |= SFF_PLC; } read_frame = &session->raw_read_frame; status = SWITCH_STATUS_SUCCESS; break; case SWITCH_STATUS_NOT_INITALIZED: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n"); goto done; default: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s decoder error!\n", session->read_codec->codec_interface->interface_name); goto done; } } if (session->bugs) { switch_media_bug_t *bp; switch_bool_t ok = SWITCH_TRUE; int prune = 0; switch_thread_rwlock_rdlock(session->bug_rwlock); for (bp = session->bugs; bp; bp = bp->next) { if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) { continue; } if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) { continue; } if (switch_test_flag(bp, SMBF_PRUNE)) { prune++; continue; } if (bp->ready && switch_test_flag(bp, SMBF_READ_STREAM)) { switch_mutex_lock(bp->read_mutex); switch_buffer_write(bp->raw_read_buffer, read_frame->data, read_frame->datalen); if (bp->callback) { ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ); } switch_mutex_unlock(bp->read_mutex); } if (ok && switch_test_flag(bp, SMBF_READ_REPLACE)) { do_bugs = 0; if (bp->callback) { bp->read_replace_frame_in = read_frame; bp->read_replace_frame_out = read_frame; if ((ok = bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_REPLACE)) == SWITCH_TRUE) { read_frame = bp->read_replace_frame_out; } } } if ((bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL)) || ok == SWITCH_FALSE) { switch_set_flag(bp, SMBF_PRUNE); prune++; } } switch_thread_rwlock_unlock(session->bug_rwlock); if (prune) { switch_core_media_bug_prune(session); } } if (do_bugs) { goto done; } if (session->read_codec) { if (session->read_resampler) { short *data = read_frame->data; switch_mutex_lock(session->resample_mutex); switch_resample_process(session->read_resampler, data, (int) read_frame->datalen / 2); memcpy(data, session->read_resampler->to, session->read_resampler->to_len * 2); read_frame->samples = session->read_resampler->to_len; read_frame->datalen = session->read_resampler->to_len * 2; read_frame->rate = session->read_resampler->to_rate; switch_mutex_unlock(session->resample_mutex); } if (read_frame->datalen == session->read_impl.decoded_bytes_per_packet) { perfect = TRUE; } else { if (!session->raw_read_buffer) { switch_size_t bytes = session->read_impl.decoded_bytes_per_packet; switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Engaging Read Buffer at %u bytes vs %u\n", (uint32_t) bytes, (uint32_t) (*frame)->datalen); switch_buffer_create_dynamic(&session->raw_read_buffer, bytes * SWITCH_BUFFER_BLOCK_FRAMES, bytes * SWITCH_BUFFER_START_FRAMES, 0); } if (!switch_buffer_write(session->raw_read_buffer, read_frame->data, read_frame->datalen)) { status = SWITCH_STATUS_MEMERR; goto done; } } if (perfect || switch_buffer_inuse(session->raw_read_buffer) >= session->read_impl.decoded_bytes_per_packet) { if (perfect) { enc_frame = read_frame; session->raw_read_frame.rate = read_frame->rate; } else { session->raw_read_frame.datalen = (uint32_t) switch_buffer_read(session->raw_read_buffer, session->raw_read_frame.data, session->read_impl.decoded_bytes_per_packet); session->raw_read_frame.rate = session->read_impl.actual_samples_per_second; enc_frame = &session->raw_read_frame; } session->enc_read_frame.datalen = session->enc_read_frame.buflen; switch_assert(session->read_codec != NULL); switch_assert(enc_frame != NULL); switch_assert(enc_frame->data != NULL); status = switch_core_codec_encode(session->read_codec, enc_frame->codec, enc_frame->data, enc_frame->datalen, session->read_impl.actual_samples_per_second, session->enc_read_frame.data, &session->enc_read_frame.datalen, &session->enc_read_frame.rate, &flag); switch (status) { case SWITCH_STATUS_RESAMPLE: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Fixme 1\n"); case SWITCH_STATUS_SUCCESS: session->enc_read_frame.samples = session->read_impl.decoded_bytes_per_packet / sizeof(int16_t); if (perfect) { if (enc_frame->codec->implementation->samples_per_packet != session->read_impl.samples_per_packet) { session->enc_read_frame.timestamp = 0; } else { session->enc_read_frame.timestamp = read_frame->timestamp; } session->enc_read_frame.rate = read_frame->rate; session->enc_read_frame.ssrc = read_frame->ssrc; session->enc_read_frame.seq = read_frame->seq; session->enc_read_frame.m = read_frame->m; session->enc_read_frame.payload = session->read_impl.ianacode; } *frame = &session->enc_read_frame; break; case SWITCH_STATUS_NOOP: session->raw_read_frame.samples = enc_frame->codec->implementation->samples_per_packet; session->raw_read_frame.timestamp = read_frame->timestamp; session->raw_read_frame.payload = enc_frame->codec->implementation->ianacode; session->raw_read_frame.m = read_frame->m; session->raw_read_frame.ssrc = read_frame->ssrc; session->raw_read_frame.seq = read_frame->seq; *frame = enc_frame; status = SWITCH_STATUS_SUCCESS; break; case SWITCH_STATUS_NOT_INITALIZED: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec init error!\n"); *frame = NULL; status = SWITCH_STATUS_GENERR; break; default: switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Codec %s encoder error!\n", session->read_codec->codec_interface->interface_name); *frame = NULL; status = SWITCH_STATUS_GENERR; break; } } else { goto top; } } } done: if (!(*frame)) { status = SWITCH_STATUS_FALSE; } else { if (flag & SFF_CNG) { switch_set_flag((*frame), SFF_CNG); } if (session->bugs) { switch_media_bug_t *bp; switch_bool_t ok = SWITCH_TRUE; int prune = 0; switch_thread_rwlock_rdlock(session->bug_rwlock); for (bp = session->bugs; bp; bp = bp->next) { if (switch_channel_test_flag(session->channel, CF_PAUSE_BUGS) && !switch_core_media_bug_test_flag(bp, SMBF_NO_PAUSE)) { continue; } if (!switch_channel_test_flag(session->channel, CF_ANSWERED) && switch_core_media_bug_test_flag(bp, SMBF_ANSWER_REQ)) { continue; } if (switch_test_flag(bp, SMBF_PRUNE)) { prune++; continue; } if (bp->ready && switch_test_flag(bp, SMBF_READ_PING)) { switch_mutex_lock(bp->read_mutex); if (bp->callback) { if (bp->callback(bp, bp->user_data, SWITCH_ABC_TYPE_READ_PING) == SWITCH_FALSE || (bp->stop_time && bp->stop_time <= switch_epoch_time_now(NULL))) { ok = SWITCH_FALSE; } } switch_mutex_unlock(bp->read_mutex); } if (ok == SWITCH_FALSE) { switch_set_flag(bp, SMBF_PRUNE); prune++; } } switch_thread_rwlock_unlock(session->bug_rwlock); if (prune) { switch_core_media_bug_prune(session); } } } even_more_done: if (!*frame || !(*frame)->codec || !(*frame)->codec->implementation || !switch_core_codec_ready((*frame)->codec)) { *frame = &runtime.dummy_cng_frame; } switch_mutex_unlock(session->read_codec->mutex); switch_mutex_unlock(session->codec_read_mutex); return status; }
static switch_status_t channel_on_execute(switch_core_session_t *session) { switch_channel_t *channel = NULL; loopback_private_t *tech_pvt = NULL; switch_caller_extension_t *exten = NULL; const char *bowout = NULL; int bow = 0; channel = switch_core_session_get_channel(session); assert(channel != NULL); tech_pvt = switch_core_session_get_private(session); assert(tech_pvt != NULL); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL EXECUTE\n", switch_channel_get_name(channel)); if ((bowout = switch_channel_get_variable(tech_pvt->channel, "loopback_bowout_on_execute")) && switch_true(bowout)) { /* loopback_bowout_on_execute variable is set */ bow = 1; } else if ((exten = switch_channel_get_caller_extension(channel))) { /* check for bowout flag */ switch_caller_application_t *app_p; for (app_p = exten->applications; app_p; app_p = app_p->next) { int32_t flags; switch_core_session_get_app_flags(app_p->application_name, &flags); if ((flags & SAF_NO_LOOPBACK)) { bow = 1; break; } } } if (bow) { switch_core_session_t *other_session = NULL; switch_caller_profile_t *cp, *clone; const char *other_uuid = NULL; switch_event_t *event = NULL; switch_set_flag(tech_pvt, TFLAG_BOWOUT); if ((find_non_loopback_bridge(tech_pvt->other_session, &other_session, &other_uuid) == SWITCH_STATUS_SUCCESS)) { switch_channel_t *other_channel = switch_core_session_get_channel(other_session); switch_channel_wait_for_state_timeout(other_channel, CS_EXCHANGE_MEDIA, 5000); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), SWITCH_LOG_INFO, "BOWOUT Replacing loopback channel with real channel: %s\n", switch_channel_get_name(other_channel)); if (switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, "loopback::bowout") == SWITCH_STATUS_SUCCESS) { switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Resigning-UUID", switch_channel_get_uuid(channel)); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Acquired-UUID", switch_channel_get_uuid(other_channel)); switch_event_fire(&event); } if ((cp = switch_channel_get_caller_profile(channel))) { clone = switch_caller_profile_clone(other_session, cp); clone->originator_caller_profile = NULL; clone->originatee_caller_profile = NULL; switch_channel_set_caller_profile(other_channel, clone); } switch_channel_caller_extension_masquerade(channel, other_channel, 0); switch_channel_set_state(other_channel, CS_RESET); switch_channel_wait_for_state(other_channel, NULL, CS_RESET); switch_channel_set_state(other_channel, CS_EXECUTE); switch_core_session_rwunlock(other_session); switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_UNSPECIFIED); } } return SWITCH_STATUS_SUCCESS; }
static void switch_core_standard_on_execute(switch_core_session_t *session) { switch_caller_extension_t *extension; const char *uuid; switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s Standard EXECUTE\n", switch_channel_get_name(session->channel)); switch_channel_set_variable(session->channel, "call_uuid", switch_core_session_get_uuid(session)); if (switch_channel_get_variable(session->channel, "recovered") && !switch_channel_test_flag(session->channel, CF_RECOVERED)) { switch_channel_set_flag(session->channel, CF_RECOVERED); } top: switch_channel_clear_flag(session->channel, CF_RESET); if ((extension = switch_channel_get_caller_extension(session->channel)) == 0) { switch_channel_hangup(session->channel, SWITCH_CAUSE_NORMAL_CLEARING); return; } while (switch_channel_get_state(session->channel) == CS_EXECUTE && extension->current_application) { switch_caller_application_t *current_application = extension->current_application; extension->current_application = extension->current_application->next; if (switch_core_session_execute_application(session, current_application->application_name, current_application->application_data) != SWITCH_STATUS_SUCCESS) { return; } if (switch_channel_test_flag(session->channel, CF_RESET)) { goto top; } } if (switch_channel_ready(session->channel) && switch_channel_get_state(session->channel) == CS_EXECUTE && switch_channel_test_flag(session->channel, CF_CONFIRM_BLIND_TRANSFER) && (uuid = switch_channel_get_variable(session->channel, "blind_transfer_uuid"))) { switch_core_session_t *other_session; if ((other_session = switch_core_session_locate(uuid))) { switch_core_session_message_t msg = { 0 }; msg.message_id = SWITCH_MESSAGE_INDICATE_BLIND_TRANSFER_RESPONSE; msg.from = __FILE__; msg.numeric_arg = 0; switch_core_session_receive_message(other_session, &msg); switch_core_session_rwunlock(other_session); switch_channel_set_variable(session->channel, "park_timeout", "10:blind_transfer"); switch_channel_set_state(session->channel, CS_PARK); switch_channel_clear_flag(session->channel, CF_CONFIRM_BLIND_TRANSFER); } } if (switch_channel_ready(session->channel) && switch_channel_get_state(session->channel) == CS_EXECUTE) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_NOTICE, "%s has executed the last dialplan instruction, hanging up.\n", switch_channel_get_name(session->channel)); switch_channel_hangup(session->channel, SWITCH_CAUSE_NORMAL_CLEARING); } }
/** * Handle fax completion event from FreeSWITCH core * @param event received from FreeSWITCH core. It will be destroyed by the core after this function returns. */ static void on_execute_complete_event(switch_event_t *event) { const char *application = switch_event_get_header(event, "Application"); if (!zstr(application) && (!strcmp(application, "rxfax") || !strcmp(application, "txfax"))) { int is_rxfax = !strcmp(application, "rxfax"); const char *uuid = switch_event_get_header(event, "Unique-ID"); const char *fax_jid = switch_event_get_header(event, "variable_rayo_fax_jid"); struct rayo_actor *component; if (!zstr(fax_jid) && (component = RAYO_LOCATE(fax_jid))) { iks *result; iks *complete; iks *fax; int have_fax_document = 1; switch_core_session_t *session; switch_log_printf(SWITCH_CHANNEL_UUID_LOG(uuid), SWITCH_LOG_DEBUG, "Got result for %s\n", fax_jid); /* clean up channel */ session = switch_core_session_locate(uuid); if (session) { switch_channel_set_variable(switch_core_session_get_channel(session), "rayo_read_frame_interrupt", NULL); switch_core_session_rwunlock(session); } /* RX only: transfer HTTP document and delete local copy */ if (is_rxfax && RECEIVEFAX_COMPONENT(component)->http_put_after_receive && switch_file_exists(RECEIVEFAX_COMPONENT(component)->local_filename, RAYO_POOL(component)) == SWITCH_STATUS_SUCCESS) { switch_stream_handle_t stream = { 0 }; SWITCH_STANDARD_STREAM(stream); switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s PUT fax to %s\n", RAYO_JID(component), RECEIVEFAX_COMPONENT(component)->filename); switch_api_execute("http_put", RECEIVEFAX_COMPONENT(component)->filename, NULL, &stream); /* check if successful */ if (!zstr(stream.data) && strncmp(stream.data, "+OK", 3)) { /* PUT failed */ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s PUT fax to %s failed: %s\n", RAYO_JID(component), RECEIVEFAX_COMPONENT(component)->filename, (char *)stream.data); have_fax_document = 0; } switch_safe_free(stream.data) switch_file_remove(RECEIVEFAX_COMPONENT(component)->local_filename, RAYO_POOL(component)); } /* successful fax? */ if (have_fax_document && switch_true(switch_event_get_header(event, "variable_fax_success"))) { result = rayo_component_create_complete_event(RAYO_COMPONENT(component), FAX_FINISH); } else if (have_fax_document && FAX_COMPONENT(component)->stop) { result = rayo_component_create_complete_event(RAYO_COMPONENT(component), COMPONENT_COMPLETE_STOP); } else { result = rayo_component_create_complete_event(RAYO_COMPONENT(component), COMPONENT_COMPLETE_ERROR); } complete = iks_find(result, "complete"); /* RX only: add fax document information */ if (is_rxfax && have_fax_document) { const char *pages = switch_event_get_header(event, "variable_fax_document_transferred_pages"); if (!zstr(pages) && switch_is_number(pages) && atoi(pages) > 0) { const char *resolution = switch_event_get_header(event, "variable_fax_file_image_resolution"); const char *size = switch_event_get_header(event, "variable_fax_image_size"); fax = iks_insert(complete, "fax"); iks_insert_attrib(fax, "xmlns", RAYO_FAX_COMPLETE_NS); if (RECEIVEFAX_COMPONENT(component)->http_put_after_receive) { iks_insert_attrib(fax, "url", RECEIVEFAX_COMPONENT(component)->filename); } else { /* convert absolute path to file:// URI */ iks_insert_attrib_printf(fax, "url", "file://%s", RECEIVEFAX_COMPONENT(component)->filename); } if (!zstr(resolution)) { iks_insert_attrib(fax, "resolution", resolution); } if (!zstr(size)) { iks_insert_attrib(fax, "size", size); } iks_insert_attrib(fax, "pages", pages); } } /* add metadata from event */ insert_fax_metadata(event, "fax_success", complete); insert_fax_metadata(event, "fax_result_code", complete); insert_fax_metadata(event, "fax_result_text", complete); insert_fax_metadata(event, "fax_document_transferred_pages", complete); insert_fax_metadata(event, "fax_document_total_pages", complete); insert_fax_metadata(event, "fax_image_resolution", complete); insert_fax_metadata(event, "fax_image_size", complete); insert_fax_metadata(event, "fax_bad_rows", complete); insert_fax_metadata(event, "fax_transfer_rate", complete); insert_fax_metadata(event, "fax_ecm_used", complete); insert_fax_metadata(event, "fax_local_station_id", complete); insert_fax_metadata(event, "fax_remote_station_id", complete); /* flag faxing as done */ rayo_call_set_faxing(RAYO_CALL(RAYO_COMPONENT(component)->parent), 0); rayo_component_send_complete_event(RAYO_COMPONENT(component), result); RAYO_UNLOCK(component); } } }
static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id) { switch_channel_t *channel = NULL; private_t *tech_pvt = NULL; switch_status_t status = SWITCH_STATUS_FALSE; channel = switch_core_session_get_channel(session); switch_assert(channel != NULL); tech_pvt = switch_core_session_get_private(session); switch_assert(tech_pvt != NULL); if (switch_test_flag(frame, SFF_CNG) || (switch_test_flag(tech_pvt, TFLAG_BOWOUT) && switch_test_flag(tech_pvt, TFLAG_BOWOUT_USED))) { switch_core_timer_sync(&tech_pvt->timer); switch_core_timer_sync(&tech_pvt->other_tech_pvt->timer); return SWITCH_STATUS_SUCCESS; } switch_mutex_lock(tech_pvt->mutex); if (!switch_test_flag(tech_pvt, TFLAG_BOWOUT) && tech_pvt->other_tech_pvt && switch_test_flag(tech_pvt, TFLAG_BRIDGE) && switch_test_flag(tech_pvt->other_tech_pvt, TFLAG_BRIDGE) && switch_channel_test_flag(tech_pvt->channel, CF_BRIDGED) && switch_channel_test_flag(tech_pvt->other_channel, CF_BRIDGED) && switch_channel_test_flag(tech_pvt->channel, CF_ANSWERED) && switch_channel_test_flag(tech_pvt->other_channel, CF_ANSWERED) && --tech_pvt->bowout_frame_count <= 0) { const char *a_uuid = NULL; const char *b_uuid = NULL; const char *vetoa, *vetob; vetoa = switch_channel_get_variable(tech_pvt->channel, "loopback_bowout"); vetob = switch_channel_get_variable(tech_pvt->other_tech_pvt->channel, "loopback_bowout"); if ((!vetoa || switch_true(vetoa)) && (!vetob || switch_true(vetob))) { switch_core_session_t *br_a, *br_b; switch_channel_t *ch_a = NULL, *ch_b = NULL; int good_to_go = 0; switch_mutex_unlock(tech_pvt->mutex); find_non_loopback_bridge(session, &br_a, &a_uuid); find_non_loopback_bridge(tech_pvt->other_session, &br_b, &b_uuid); switch_mutex_lock(tech_pvt->mutex); if (br_a) { ch_a = switch_core_session_get_channel(br_a); switch_core_media_bug_transfer_recordings(session, br_a); } if (br_b) { ch_b = switch_core_session_get_channel(br_b); switch_core_media_bug_transfer_recordings(tech_pvt->other_session, br_b); } if (ch_a && ch_b && switch_channel_test_flag(ch_a, CF_BRIDGED) && switch_channel_test_flag(ch_b, CF_BRIDGED)) { switch_set_flag_locked(tech_pvt, TFLAG_BOWOUT); switch_set_flag_locked(tech_pvt->other_tech_pvt, TFLAG_BOWOUT); switch_clear_flag_locked(tech_pvt, TFLAG_WRITE); switch_clear_flag_locked(tech_pvt->other_tech_pvt, TFLAG_WRITE); switch_set_flag_locked(tech_pvt, TFLAG_BOWOUT_USED); switch_set_flag_locked(tech_pvt->other_tech_pvt, TFLAG_BOWOUT_USED); if (a_uuid && b_uuid) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s detected bridge on both ends, attempting direct connection.\n", switch_channel_get_name(channel)); /* channel_masquerade eat your heart out....... */ switch_ivr_uuid_bridge(a_uuid, b_uuid); good_to_go = 1; switch_mutex_unlock(tech_pvt->mutex); } } if (br_a) switch_core_session_rwunlock(br_a); if (br_b) switch_core_session_rwunlock(br_b); if (good_to_go) { return SWITCH_STATUS_SUCCESS; } } } if (switch_test_flag(tech_pvt, TFLAG_LINKED) && tech_pvt->other_tech_pvt) { switch_frame_t *clone; if (frame->codec->implementation != tech_pvt->write_codec.implementation) { /* change codecs to match */ tech_init(tech_pvt, session, frame->codec); tech_init(tech_pvt->other_tech_pvt, tech_pvt->other_session, frame->codec); } if (switch_frame_dup(frame, &clone) != SWITCH_STATUS_SUCCESS) { abort(); } if ((status = switch_queue_trypush(tech_pvt->other_tech_pvt->frame_queue, clone)) != SWITCH_STATUS_SUCCESS) { clear_queue(tech_pvt->other_tech_pvt); status = switch_queue_trypush(tech_pvt->other_tech_pvt->frame_queue, clone); } if (status == SWITCH_STATUS_SUCCESS) { switch_set_flag_locked(tech_pvt->other_tech_pvt, TFLAG_WRITE); } else { switch_frame_free(&clone); } status = SWITCH_STATUS_SUCCESS; } switch_mutex_unlock(tech_pvt->mutex); return status; }
static int control_handler(modem_t *modem, const char *num, int op) { switch_core_session_t *session = NULL; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Control Handler op:%d state:[%s] %s\n", op, modem_state2name(modem_get_state(modem)), modem->devlink); switch (op) { case AT_MODEM_CONTROL_ANSWER: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - Answering\n", modem->devlink, modem_state2name(modem_get_state(modem))); modem_set_state(modem, MODEM_STATE_ANSWERED); break; case AT_MODEM_CONTROL_CALL: { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - Dialing '%s'\n", modem->devlink, modem_state2name(modem_get_state(modem)), num); modem_set_state(modem, MODEM_STATE_DIALING); switch_clear_flag(modem, MODEM_FLAG_XOFF); wake_modem_thread(modem); switch_set_string(modem->digits, num); if (create_session(&session, modem) != SWITCH_STATUS_SUCCESS) { t31_call_event(modem->t31_state, AT_CALL_EVENT_HANGUP); } else { switch_core_session_thread_launch(session); } } break; case AT_MODEM_CONTROL_OFFHOOK: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - Going off hook\n", modem->devlink, modem_state2name(modem_get_state(modem))); modem_set_state(modem, MODEM_STATE_OFFHOOK); break; case AT_MODEM_CONTROL_ONHOOK: case AT_MODEM_CONTROL_HANGUP: { if (modem_get_state(modem) != MODEM_STATE_RINGING) { int set_state = 1; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - Hanging up\n", modem->devlink, modem_state2name(modem_get_state(modem))); switch_clear_flag(modem, MODEM_FLAG_XOFF); wake_modem_thread(modem); modem_set_state(modem, MODEM_STATE_HANGUP); if (!zstr(modem->uuid_str)) { switch_core_session_t *session; if ((session = switch_core_session_force_locate(modem->uuid_str))) { switch_channel_t *channel = switch_core_session_get_channel(session); if (switch_channel_up(channel)) { switch_channel_hangup(channel, SWITCH_CAUSE_NORMAL_CLEARING); set_state = 0; } switch_core_session_rwunlock(session); } } if (set_state) { modem_set_state(modem, MODEM_STATE_ONHOOK); } } } break; case AT_MODEM_CONTROL_DTR: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - DTR %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num); break; case AT_MODEM_CONTROL_RTS: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - RTS %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num); break; case AT_MODEM_CONTROL_CTS: { u_char x[1]; switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Modem %s [%s] - CTS %s\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num ? "XON" : "XOFF"); if (num) { x[0] = 0x11; t31_at_tx_handler(&modem->t31_state->at_state, modem, x, 1); switch_clear_flag(modem, MODEM_FLAG_XOFF); wake_modem_thread(modem); } else { x[0] = 0x13; t31_at_tx_handler(&modem->t31_state->at_state, modem, x, 1); switch_set_flag(modem, MODEM_FLAG_XOFF); } } break; case AT_MODEM_CONTROL_CAR: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - CAR %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num); break; case AT_MODEM_CONTROL_RNG: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - RNG %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num); break; case AT_MODEM_CONTROL_DSR: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - DSR %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), (int) (intptr_t) num); break; default: switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Modem %s [%s] - operation %d\n", modem->devlink, modem_state2name(modem_get_state(modem)), op); break; } /*endswitch*/ return 0; }
static switch_status_t channel_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg) { switch_channel_t *channel; private_t *tech_pvt; int done = 1, pass = 0; channel = switch_core_session_get_channel(session); switch_assert(channel != NULL); tech_pvt = switch_core_session_get_private(session); switch_assert(tech_pvt != NULL); switch (msg->message_id) { case SWITCH_MESSAGE_INDICATE_ANSWER: if (tech_pvt->other_channel && !switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) { switch_channel_mark_answered(tech_pvt->other_channel); } break; case SWITCH_MESSAGE_INDICATE_PROGRESS: if (tech_pvt->other_channel && !switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) { switch_channel_mark_pre_answered(tech_pvt->other_channel); } break; case SWITCH_MESSAGE_INDICATE_RINGING: if (tech_pvt->other_channel && !switch_test_flag(tech_pvt, TFLAG_OUTBOUND)) { switch_channel_mark_ring_ready(tech_pvt->other_channel); } break; case SWITCH_MESSAGE_INDICATE_BRIDGE: { switch_set_flag_locked(tech_pvt, TFLAG_BRIDGE); } break; case SWITCH_MESSAGE_INDICATE_UNBRIDGE: { switch_clear_flag_locked(tech_pvt, TFLAG_BRIDGE); } break; default: done = 0; break; } switch (msg->message_id) { case SWITCH_MESSAGE_INDICATE_BRIDGE: case SWITCH_MESSAGE_INDICATE_UNBRIDGE: case SWITCH_MESSAGE_INDICATE_AUDIO_SYNC: { done = 1; switch_set_flag(tech_pvt, TFLAG_CLEAR); switch_set_flag(tech_pvt->other_tech_pvt, TFLAG_CLEAR); switch_core_timer_sync(&tech_pvt->timer); switch_core_timer_sync(&tech_pvt->other_tech_pvt->timer); } break; default: break; } switch (msg->message_id) { case SWITCH_MESSAGE_INDICATE_DISPLAY: { if (!zstr(msg->string_array_arg[0])) { switch_channel_set_profile_var(tech_pvt->other_channel, "callee_id_name", msg->string_array_arg[0]); } if (!zstr(msg->string_array_arg[1])) { switch_channel_set_profile_var(tech_pvt->other_channel, "callee_id_number", msg->string_array_arg[1]); } pass = 1; } break; default: break; } if (!done && tech_pvt->other_session && (pass || switch_test_flag(tech_pvt, TFLAG_RUNNING_APP))) { switch_status_t r = SWITCH_STATUS_FALSE; switch_core_session_t *other_session; if (switch_core_session_get_partner(tech_pvt->other_session, &other_session) == SWITCH_STATUS_SUCCESS) { r = switch_core_session_receive_message(other_session, msg); switch_core_session_rwunlock(other_session); } return r; } return SWITCH_STATUS_SUCCESS; }
void do_telecast(switch_stream_handle_t *stream) { char *path_info = switch_event_get_header(stream->param_event, "http-path-info"); char *uuid = strdup(path_info + 4); switch_core_session_t *tsession; char *fname = "stream.mp3"; if ((fname = strchr(uuid, '/'))) { *fname++ = '\0'; } if (!(tsession = switch_core_session_locate(uuid))) { char *ref = switch_event_get_header(stream->param_event, "http-referer"); stream->write_function(stream, "Content-type: text/html\r\n\r\n<h2>Not Found!</h2>\n" "<META http-equiv=\"refresh\" content=\"1;URL=%s\">", ref); } else { switch_media_bug_t *bug = NULL; switch_buffer_t *buffer = NULL; switch_mutex_t *mutex; switch_channel_t *channel = switch_core_session_get_channel(tsession); lame_global_flags *gfp = NULL; switch_codec_implementation_t read_impl = { 0 }; switch_core_session_get_read_impl(tsession, &read_impl); if (switch_channel_test_flag(channel, CF_PROXY_MODE)) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Stepping into media path so this will work!\n"); switch_ivr_media(uuid, SMF_REBRIDGE); } if (!(gfp = lame_init())) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate lame\n"); goto end; } lame_set_num_channels(gfp, read_impl.number_of_channels); lame_set_in_samplerate(gfp, read_impl.actual_samples_per_second); lame_set_brate(gfp, 16 * (read_impl.actual_samples_per_second / 8000) * read_impl.number_of_channels); lame_set_mode(gfp, 3); lame_set_quality(gfp, 2); lame_set_errorf(gfp, log_error); lame_set_debugf(gfp, log_debug); lame_set_msgf(gfp, log_msg); lame_set_bWriteVbrTag(gfp, 0); lame_mp3_tags_fid(gfp, NULL); lame_init_params(gfp); lame_print_config(gfp); switch_mutex_init(&mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(tsession)); switch_buffer_create_dynamic(&buffer, 1024, 2048, 0); switch_buffer_add_mutex(buffer, mutex); if (switch_core_media_bug_add(tsession, "telecast", NULL, telecast_callback, buffer, 0, SMBF_READ_STREAM | SMBF_WRITE_STREAM | SMBF_READ_PING, &bug) != SWITCH_STATUS_SUCCESS) { goto end; } stream->write_function(stream, "Content-type: audio/mpeg\r\n" "Content-Disposition: inline; filename=\"%s\"\r\n\r\n", fname); while (switch_channel_ready(channel)) { unsigned char mp3buf[TC_BUFFER_SIZE] = ""; int rlen; uint8_t buf[1024]; switch_size_t bytes = 0; if (switch_buffer_inuse(buffer) >= 1024) { switch_buffer_lock(buffer); bytes = switch_buffer_read(buffer, buf, sizeof(buf)); switch_buffer_unlock(buffer); } else { if (!bytes) { switch_cond_next(); continue; } memset(buf, 0, bytes); } if ((rlen = lame_encode_buffer(gfp, (void *) buf, NULL, bytes / 2, mp3buf, sizeof(mp3buf))) < 0) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "MP3 encode error %d!\n", rlen); goto end; } if (rlen) { if (stream->raw_write_function(stream, mp3buf, rlen)) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Disconnected\n"); goto end; } } } end: switch_safe_free(uuid); if (gfp) { lame_close(gfp); gfp = NULL; } if (bug) { switch_core_media_bug_remove(tsession, &bug); } if (buffer) { switch_buffer_destroy(&buffer); } switch_core_session_rwunlock(tsession); } }
bool WSClientParser::HangupCall() { switch_core_session_t* session = NULL; if( mpChannel ) { // 挂断会话 char* uuid = mpChannel->uuid_str; switch_log_printf( SWITCH_CHANNEL_UUID_LOG(this->GetUUID()), SWITCH_LOG_INFO, "WSClientParser::HangupCall( " "[Start], " "this : %p, " "wsChannel : %p, " "session : '%s' " ") \n", this, mpChannel, uuid ); if( uuid ) { // 挂断会话 session = switch_core_session_locate(uuid); if ( session != NULL ) { switch_channel_t* channel = switch_core_session_get_channel(session); if( channel ) { switch_log_printf( SWITCH_CHANNEL_UUID_LOG(this->GetUUID()), SWITCH_LOG_INFO, "WSClientParser::HangupCall( " "[Channel hang up], " "this : %p, " "wsChannel : %p, " "session : '%s' " ") \n", this, mpChannel, switch_core_session_get_uuid(session) ); switch_channel_hangup(channel, SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER); } else { switch_log_printf( SWITCH_CHANNEL_UUID_LOG(this->GetUUID()), SWITCH_LOG_INFO, "WSClientParser::HangupCall( " "[No channel to hang up], " "this : %p, " "wsChannel : %p, " "session : '%s' " ") \n", this, mpChannel, switch_core_session_get_uuid(session) ); } switch_core_session_rwunlock(session); } } switch_log_printf( SWITCH_CHANNEL_UUID_LOG(this->GetUUID()), SWITCH_LOG_INFO, "WSClientParser::HangupCall( " "[Success], " "this : %p, " "wsChannel : %p, " "session : '%s' " ") \n", this, mpChannel, uuid ); } return (session != NULL); }