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[commit] r5585 - in freeswitch/branches/greenlizard/src/mod: asr_tts/mod_mrcprec asr_tts/mod_openmrcp xml_int/mod_xml_curl
by Freeswitch SVN 10 Aug '07
by Freeswitch SVN 10 Aug '07
10 Aug '07
Author: greenlizard
Date: Fri Aug 10 15:30:18 2007
New Revision: 5585
Added:
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/Makefile
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c
Removed:
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/
Modified:
freeswitch/branches/greenlizard/src/mod/xml_int/mod_xml_curl/mod_xml_curl.c
Log:
rename mod_mrcprec to mod_openmrcp
Added: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/Makefile
==============================================================================
--- (empty file)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/Makefile Fri Aug 10 15:30:18 2007
@@ -0,0 +1,33 @@
+# define these targets in your makefile if you wish
+# local_all local_depend local_clean depend_install local_install local_distclean local_extraclean:
+
+# and define these variables to impact your build
+
+# TO GET THIS TO COMPILE
+# hack ../../../../build/modmake.rules and remove the
+# -Werror from the ALL_CFLAGS variable.
+
+# TODO
+# - fix all the code that is causing warnings (We are currently working with Joe Stenbrenner from Division Management to have this task outsourced to Bangalore)
+# - re-enable the -Werror flag (see above)
+# - needs to compile/link against the _freeswitch_ sofia libs (see FIXME)
+# - is there an openmrcp dir in the fs tree yet? (see FIXME)
+
+# FIXME!!!
+OPENMRCP_DIR=/usr/src/openmrcp_stable
+
+OPENMRCP_INCLUDE=-I$(OPENMRCP_DIR)/mrcpcore/client/include/ -I$(OPENMRCP_DIR)/platform/openmrcpclient/include/ -I$(OPENMRCP_DIR)/mediaframe/include/ -I$(OPENMRCP_DIR)/mrcpcore/engine/include/ -I$(OPENMRCP_DIR)/mrcpcore/include/ -I$(OPENMRCP_DIR)/mrcpcore/parser/include/ -I$(OPENMRCP_DIR)/mrcpcore/server/include/ -I$(OPENMRCP_DIR)/mrcpcore/media/include/ -I$(OPENMRCP_DIR)/mrcpcore/util/include -I$(OPENMRCP_DIR)/mrcpcore/resource/include/
+
+OPENMRCP_LIBS=$(OPENMRCP_DIR)/platform/openmrcpclient/.libs/libopenmrcpclient.a $(OPENMRCP_DIR)/platform/openmrcpserver/.libs/libopenmrcpserver.a $(OPENMRCP_DIR)/mrcpcore/client/.libs/libmrcpclient.a $(OPENMRCP_DIR)/mediaframe/.libs/libmediaframe.a $(OPENMRCP_DIR)/mrcpcore/engine/.libs/libmrcpengine.a $(OPENMRCP_DIR)/mrcpcore/parser/.libs/libmrcpparser.a $(OPENMRCP_DIR)/mrcpcore/server/.libs/libmrcpserver.a $(OPENMRCP_DIR)/mrcpcore/media/.libs/libmrcpmedia.a $(OPENMRCP_DIR)/mrcpcore/util/.libs/libmrcputil.a $(OPENMRCP_DIR)/mrcpcore/util/.libs/libmrcputil.a $(OPENMRCP_DIR)/mrcpcore/resource/.libs/libmrcpresource.a $(OPENMRCP_DIR)/module/plugin/demo/.libs/libdemoplugin.a $(OPENMRCP_DIR)/module/mrcpv2agent/.libs/libmrcpv2agent.a $(OPENMRCP_DIR)/module/mrcplivemedia/.libs/libmrcplivemedia.a $(OPENMRCP_DIR)/module/mrcpsofiasip/.libs/libmrcpsofiasip.a $(OPENMRCP_DIR)/mrcpcore/.libs/libmrcpcore.a
+
+MRCP_APR_INCLUDES = -I../../../../libs/apr/include
+MRCP_APU_INCLUDES = -I../../../../libs/apr-util/include
+MRCP_SOFIA_INCLUDES = -I/usr/local/include/sofia-sip-1.12 # FIXME!!
+
+LOCAL_CFLAGS= -Wno-unused
+LOCAL_CFLAGS+= -Wno-comment -Wno-sign-compare $(OPENMRCP_INCLUDE) $(MRCP_APR_INCLUDES) $(MRCP_APU_INCLUDES) $(MRCP_SOFIA_INCLUDES)
+
+LOCAL_LDFLAGS=$(OPENMRCP_LIBS)
+VERBOSE=TRUE
+include ../../../../build/modmake.rules
+
Added: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c
==============================================================================
--- (empty file)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_openmrcp/mod_openmrcp.c Fri Aug 10 15:30:18 2007
@@ -0,0 +1,910 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct(a)yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct(a)yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Traun Leyden <tleyden(a)branchcut.com>
+ *
+ * Module which acts as an MRCP client to an MRCP speech recognition
+ * server. In other words it bridges freeswitch to an external speech
+ * recognition system.
+ *
+ * Uses OpenMrcp (http://wiki.freeswitch.org/wiki/OpenMRCP) as the
+ * the client library.
+ *
+ */
+#ifdef __ICC
+#pragma warning (disable:188)
+#endif
+
+
+#include "openmrcp_client.h"
+#include "mrcp_client_context.h"
+#include "mrcp_recognizer.h"
+#include "mrcp_generic_header.h"
+#include "rtp_session.h"
+#include "mrcp_client.h"
+#include "mrcp_client_context.h"
+#include "mrcp_client_defs.h"
+#include "mrcp_client_session.h"
+#include "mrcp_client_resource.h"
+#include "mrcp_client_signaling_agent.h"
+#include "mrcp_media_agent.h"
+#include "mrcp_resource.h"
+#include "mrcp_consumer_task.h"
+#include <apr_general.h>
+#include <apr_file_io.h>
+#include <apr_thread_proc.h>
+#include <apr_thread_cond.h>
+#include <apr_strings.h>
+
+#include <switch.h>
+
+#define OPENMRCP_WAIT_TIMEOUT 5000
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_openmrcp_load);
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_openmrcp_shutdown);
+SWITCH_MODULE_DEFINITION(mod_openmrcp, mod_openmrcp_load,
+ mod_openmrcp_shutdown, NULL);
+
+static struct {
+ char *client_ip;
+ char *server_ip;
+ uint32_t client_port;
+ uint32_t server_port;
+ uint32_t rtp_port_min;
+ uint32_t rtp_port_max;
+} globals;
+
+
+typedef enum {
+ OPENMRCP_EVENT_NONE,
+ OPENMRCP_EVENT_SESSION_INITIATE,
+ OPENMRCP_EVENT_SESSION_TERMINATE,
+ OPENMRCP_EVENT_CHANNEL_CREATE,
+ OPENMRCP_EVENT_CHANNEL_DESTROY,
+ OPENMRCP_EVENT_CHANNEL_MODIFY
+} openmrcp_event_t;
+
+static const char *openmrcp_event_names[] = {
+ "NONE",
+ "SESSION_INITIATE",
+ "SESSION_TERMINATE",
+ "CHANNEL_CREATE",
+ "CHANNEL_DESTROY",
+ "CHANNEL_MODIFY",
+};
+
+// TODO: rename this to openmrcp_session_t
+typedef struct openmrcp_session_t openmrcp_session_t;
+struct openmrcp_session_t {
+ mrcp_session_t *client_session;
+ mrcp_client_channel_t *channel;
+ switch_queue_t *audio_input_queue;
+ switch_queue_t *event_queue;
+ mrcp_message_t *mrcp_message_last_rcvd;
+ audio_source_t *source;
+ apr_pool_t *pool;
+ apr_thread_cond_t *wait_object;
+ apr_thread_mutex_t *wait_object_mutex;
+ openmrcp_event_t wait_event;
+ uint32_t flags;
+ switch_mutex_t *flag_mutex;
+};
+
+static apr_status_t openmrcp_recognizer_read_frame(audio_source_t *source, media_frame_t *frame);
+
+static const audio_source_method_set_t audio_source_method_set = {
+ NULL,
+ NULL,
+ NULL,
+ openmrcp_recognizer_read_frame
+};
+
+typedef enum {
+ FLAG_HAS_TEXT = (1 << 0),
+ FLAG_BARGE = (1 << 1),
+ FLAG_READY = (1 << 2)
+} mrcp_flag_t;
+
+typedef struct {
+ mrcp_client_t *mrcp_client;
+ mrcp_client_context_t *mrcp_client_context;
+} openmrcp_module_t;
+
+static openmrcp_module_t openmrcp_module;
+
+static void log_callback(const char* message, void* userdata)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s\n", message);
+}
+
+static const char *state_names[] = {
+ "NOT_READY",
+ "READY",
+ "BARGE_IN",
+ "END_SPEECH",
+ "STOPPED",
+ "BARGE_IN_TIMEOUT",
+ "END_SPEECH_TIMEOUT",
+ "BEEP"
+};
+
+static openmrcp_session_t* openmrcp_session_create()
+{
+ openmrcp_session_t *openmrcp_session;
+ apr_pool_t *session_pool;
+
+ if(apr_pool_create(&session_pool,NULL) != APR_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "failed to create session_pool\n");
+ return NULL;
+ }
+
+ openmrcp_session = apr_palloc(session_pool,sizeof(openmrcp_session_t));
+ openmrcp_session->pool = session_pool;
+ openmrcp_session->client_session = NULL;
+ openmrcp_session->channel = NULL;
+ openmrcp_session->audio_input_queue = NULL;
+ openmrcp_session->event_queue = NULL;
+ openmrcp_session->wait_event = OPENMRCP_EVENT_NONE;
+
+ apr_thread_mutex_create(&openmrcp_session->wait_object_mutex, APR_THREAD_MUTEX_UNNESTED, openmrcp_session->pool);
+
+ apr_thread_cond_create(&openmrcp_session->wait_object, openmrcp_session->pool);
+
+
+ /* create an event queue */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "creating event queue\n");
+ if (switch_queue_create(&openmrcp_session->event_queue, 1000, openmrcp_session->pool)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "event queue creation failed\n");
+ }
+
+ return openmrcp_session;
+}
+
+static mrcp_status_t openmrcp_session_destroy(openmrcp_session_t *openmrcp_session)
+{
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+
+ if(openmrcp_session->pool) {
+ apr_thread_cond_destroy(openmrcp_session->wait_object);
+ apr_thread_mutex_destroy(openmrcp_session->wait_object_mutex);
+ apr_pool_destroy(openmrcp_session->pool);
+ openmrcp_session->pool = NULL;
+ }
+ return MRCP_STATUS_SUCCESS;
+}
+
+
+static mrcp_status_t openmrcp_session_wait_for_event(openmrcp_session_t *openmrcp_session, openmrcp_event_t openmrcp_event, size_t timeout)
+{
+ mrcp_status_t status = MRCP_STATUS_SUCCESS;
+ openmrcp_event_t *popped_event = NULL;
+ size_t sleep_ms = 100;
+
+
+ if(openmrcp_session->event_queue) {
+ if (switch_queue_trypop(openmrcp_session->event_queue, &popped_event)) {
+ // most likely this failed because queue is empty. sleep for timeout seconds and try again?
+ if (timeout > 0) {
+ if (timeout < sleep_ms) {
+ switch_sleep(timeout * 1000); // ms->us
+ timeout = 0;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sleeping %d millieconds\n", sleep_ms);
+ switch_sleep(sleep_ms * 1000); // ms->us
+ timeout -= sleep_ms;
+ }
+
+ // call recursively
+ // TODO: This is going to end up in a lot of recursion and
+ // maybe blow the stack .. rethink this approach
+ return openmrcp_session_wait_for_event(openmrcp_session, openmrcp_event, timeout);
+
+ }
+ else {
+ // nothing in queue, no timeout left, return failure
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "nothing in queue, no timeout left, return failure\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped event\n");
+ // check if popped event matches the event we are looking for
+ if (*popped_event == openmrcp_event) {
+ // just what we were waiting for!
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "just what we were waiting for! rturn success\n");
+ return MRCP_STATUS_SUCCESS;
+ }
+ else {
+ // nothing popped, but maybe there's other things in queue, or something will arrive
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped unexpected\n");
+ if (!popped_event) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped NULL!!\n");
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped: %d\n", *popped_event);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped name: %s\n", openmrcp_event_names[*popped_event]);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped [%s] but was expecting [%s], but maybe there's other things in queue, or something will arrive\n", openmrcp_event_names[*popped_event], openmrcp_event_names[openmrcp_event]);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "calling recursively\n");
+ return openmrcp_session_wait_for_event(openmrcp_session, openmrcp_event, timeout);
+ }
+
+ }
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "event queue is null\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+}
+
+
+static mrcp_status_t openmrcp_session_signal_event(openmrcp_session_t *openmrcp_session, openmrcp_event_t openmrcp_event)
+{
+ mrcp_status_t status = MRCP_STATUS_SUCCESS;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Got event: %s\n", openmrcp_event_names[openmrcp_event]);
+
+
+ // allocate memory for event
+ openmrcp_event_t *event2queue = (openmrcp_event_t *) switch_core_alloc(openmrcp_session->pool, sizeof(openmrcp_event_t));
+ *event2queue = openmrcp_event;
+
+ // add it to queue
+ if (switch_queue_trypush(openmrcp_session->event_queue, (void *) event2queue)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "could not push event to queue\n");
+ status = SWITCH_STATUS_GENERR;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "pushed event to queue: %s\n", openmrcp_event_names[*event2queue]);
+ }
+
+ return status;
+}
+
+
+static mrcp_status_t openmrcp_on_session_initiate(mrcp_client_context_t *context, mrcp_session_t *session)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_session_initiate called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_SESSION_INITIATE);
+}
+
+static mrcp_status_t openmrcp_on_session_terminate(mrcp_client_context_t *context, mrcp_session_t *session)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_session_terminate called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_SESSION_TERMINATE);
+}
+
+static mrcp_status_t openmrcp_on_channel_add(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_client_channel_t *channel)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_channel_add called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_CREATE);
+}
+
+static mrcp_status_t openmrcp_on_channel_remove(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_client_channel_t *channel)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_channel_remove called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_DESTROY);
+}
+
+/** this is called by the mrcp core whenever an mrcp message is received from
+ the other side. */
+static mrcp_status_t openmrcp_on_channel_modify(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_message_t *mrcp_message)
+{
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "openmrcp_on_channel_modify called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "!openmrcp_session\n");
+ return MRCP_STATUS_FAILURE;
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "openmrcp_session: %p\n", openmrcp_session);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mrcp msg method name: %s\n", mrcp_message->start_line.method_name);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mrcp msg body: %s\n", mrcp_message->body);
+
+ if (!strcmp(mrcp_message->start_line.method_name,"RECOGNITION-COMPLETE")) {
+ openmrcp_session->mrcp_message_last_rcvd = mrcp_message;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting FLAG_HAS_TEXT\n");
+ switch_set_flag_locked(openmrcp_session, FLAG_HAS_TEXT);
+ }
+ else if (!strcmp(mrcp_message->start_line.method_name,"START-OF-SPEECH")) {
+ openmrcp_session->mrcp_message_last_rcvd = mrcp_message;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting FLAG_BARGE\n");
+ switch_set_flag_locked(openmrcp_session, FLAG_BARGE);
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "ignoring method: %s\n", mrcp_message->start_line.method_name);
+ }
+
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_MODIFY);
+}
+
+
+
+static apr_status_t set_default_options(openmrcp_client_options_t *options)
+{
+ mrcp_logger.priority = MRCP_PRIO_INFO;
+ options->client_ip = globals.client_ip;
+ options->server_ip = globals.server_ip;
+ options->client_port = globals.client_port;
+ options->server_port = globals.server_port;
+ options->rtp_port_min = globals.rtp_port_min;
+ options->rtp_port_max = globals.rtp_port_max;
+ return APR_SUCCESS;
+}
+
+
+/**
+ * Called back by openmcp client thread every time its ready for more audio
+ * Reads data that was put into a shared fifo queue upon receiving audio frames
+ * from asr_feed()
+ */
+static apr_status_t openmrcp_recognizer_read_frame(audio_source_t *source, media_frame_t *frame)
+{
+ openmrcp_session_t *openmrcp_session = source->object;
+ frame->type = MEDIA_FRAME_TYPE_NONE;
+ apr_status_t result;
+ media_frame_t *queue_frame = NULL;
+
+
+ /* pop next media frame data from incoming queue into frame */
+ if(openmrcp_session->audio_input_queue) {
+ if (switch_queue_trypop(openmrcp_session->audio_input_queue, &queue_frame)) {
+ // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "could not pop from queue\n");
+ result = MRCP_STATUS_FAILURE;
+ }
+ else {
+ frame->codec_frame.size = queue_frame->codec_frame.size;
+ frame->codec_frame.buffer = queue_frame->codec_frame.buffer;
+ frame->type = MEDIA_FRAME_TYPE_AUDIO;
+ result = APR_SUCCESS;
+ }
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "no audio_in queue\n");
+ result = MRCP_STATUS_FAILURE;
+ }
+
+ return result;
+}
+
+/** Read in the grammar and construct an MRCP Recognize message that has
+ The grammar attached as the payload */
+static mrcp_status_t openmrcp_recog_start(mrcp_client_context_t *context, openmrcp_session_t *openmrcp_session, char *path)
+{
+
+ mrcp_generic_header_t *generic_header;
+ apr_status_t rv;
+ apr_file_t *fp;
+ apr_pool_t *mp;
+ apr_finfo_t finfo;
+ char *buf1;
+ int bytes2read = 0;
+
+ mrcp_message_t *mrcp_message = mrcp_client_context_message_get(context, openmrcp_session->client_session, openmrcp_session->channel, RECOGNIZER_RECOGNIZE);
+
+ if(!mrcp_message) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not create mrcp msg\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+ /* open the file with the grammar and read into char* buffer */
+ mp = mrcp_message->pool;
+ if ((rv = apr_file_open(&fp, path, APR_READ, APR_OS_DEFAULT, mp)) != APR_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not read grammar\n");
+ return -1;
+ }
+ rv = apr_file_info_get(&finfo, APR_FINFO_NORM, fp);
+
+ buf1 = apr_palloc(mp, finfo.size);
+ bytes2read = finfo.size;
+ rv = apr_file_read(fp, buf1, &bytes2read);
+ generic_header = mrcp_generic_header_prepare(mrcp_message);
+ if(!generic_header) {
+ return MRCP_STATUS_FAILURE;
+ }
+
+ generic_header->content_type = mrcp_str_pdup(mrcp_message->pool,"application/srgs+xml");
+ mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
+ mrcp_message->body = mrcp_str_pdup(mrcp_message->pool,buf1);
+
+ /* send the MRCP RECOGNIZE message to MRCP server */
+ return mrcp_client_context_channel_modify(context, openmrcp_session->client_session, mrcp_message);
+
+}
+
+
+/**
+ * Freeswitch calls this from switch_ivr_detect_speech() and then adds a media
+ * bug to tap into the channel's audio, which will result in all data getting
+ * passed to asr_feed() and calls to asr_check_results() on each recevied frame.
+ *
+ * This code expects certain one-time initialization of the openmrcp client
+ * engine/systeme to have already taken place.function to open the asr interface
+ */
+static switch_status_t openmrcp_asr_open(switch_asr_handle_t *ah, char *codec, int rate, char *dest, switch_asr_flag_t *flags)
+{
+ mrcp_client_t *mrcp_client = openmrcp_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = openmrcp_module.mrcp_client_context ;
+ openmrcp_client_options_t *options;
+ openmrcp_session_t *openmrcp_session;
+ audio_source_t *source;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "asr_open called, codec: %s, rate: %d\n", codec, rate);
+
+ /*!
+ NOTE: According to the current FS media bugs design, the media bug can only feed audio
+ data in SLIN (L16) format. So we dont need to worry about other codecs.
+
+ NOTE: forcing MRCP to use 20 as the CODEC_FRAME_TIME_BASE effectively ensures
+ that it matches with 16-bit audio at 8kz with 320 byte frames. in testing, leaving
+ CODEC_FRAME_TIME_BASE at 10 and using pop (instead of trypop) in
+ openmrcp_recognizer_read_frame() actually produces clean audio, however it causes
+ other problems as the full channel/session cleanup never completes in openmrcp, most
+ likely due to a thread being blocked on a pop call from audio queue. but with trypop
+ (to avoid the cleanup problem), it only produces clean audio when CODEC_FRAME_TIME_BASE
+ is set to 20.
+ */
+ if (strcmp(codec,"L16")) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only L16 codec supported\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ if (rate != 8000) {
+ // TODO: look into supporting other sample rates
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only 8kz supported\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ if (CODEC_FRAME_TIME_BASE != 20) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "You must recompile openmrcp with #define CODEC_FRAME_TIME_BASE 20\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CODEC_FRAME_TIME_BASE: %d\n", CODEC_FRAME_TIME_BASE);
+ }
+
+ /* create session */
+ openmrcp_session = openmrcp_session_create();
+ if (!openmrcp_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_session creation FAILED\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ openmrcp_session->client_session = mrcp_client_context_session_create(mrcp_client_context,openmrcp_session);
+ if (!openmrcp_session->client_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_session creation FAILED\n");
+ return SWITCH_STATUS_GENERR;
+ }
+
+ /* create audio source */
+ source = mrcp_palloc(openmrcp_session->pool,sizeof(audio_source_t));
+ source->method_set = &audio_source_method_set;
+ source->object = openmrcp_session;
+ openmrcp_session->source = source;
+
+ /**
+ * create a new fifo queue. incoming audio received from freeswitch
+ * will be put into this queue, and it will be later pulled out by
+ * the openmrcp client thread.
+ */
+ if (switch_queue_create(&openmrcp_session->audio_input_queue, 10000, openmrcp_session->pool)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "audio queue creation failed\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+
+ openmrcp_session->flags = *flags;
+ switch_mutex_init(&openmrcp_session->flag_mutex, SWITCH_MUTEX_NESTED, openmrcp_session->pool);
+
+ ah->private_info = openmrcp_session;
+
+ return SWITCH_STATUS_SUCCESS;
+
+}
+
+/* function to load a grammar to the asr interface */
+static switch_status_t openmrcp_asr_load_grammar(switch_asr_handle_t *ah, char *grammar, char *path)
+{
+ /** Read grammar from path and create and send and MRCP RECOGNIZE msg
+ that has the grammar attached to body.
+
+ TODO: - how does DEFINE-GRAMMAR fit into the picture here? (if at all)
+ */
+
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ mrcp_client_t *mrcp_client = openmrcp_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = openmrcp_module.mrcp_client_context;
+ audio_source_t *source = openmrcp_session->source;
+
+ /* create recognizer channel, also starts outgoing rtp media */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loading grammar\n");
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Create Recognizer Channel\n");
+ openmrcp_session->channel = mrcp_client_recognizer_channel_create(mrcp_client_context, openmrcp_session->client_session, source);
+
+ if (!openmrcp_session->channel) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to create recognizer channel\n");
+ return SWITCH_STATUS_FALSE;
+ }
+
+ /* wait for recognizer channel creation */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "WAITING FOR CHAN CREATE\n");
+ if(openmrcp_session_wait_for_event(openmrcp_session, OPENMRCP_EVENT_CHANNEL_CREATE, OPENMRCP_WAIT_TIMEOUT) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Got channel creation event\n");
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "WAITING FOR NONE\n");
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_NONE,200) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "GOT NONE EVENT\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "NEVER GOT NONE EVENT\n");
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Start Recognizer\n");
+ openmrcp_recog_start(mrcp_client_context, openmrcp_session, path);
+
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "never got channel creation event\n");
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Finished loading grammar\n");
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/*! function to feed audio to the ASR*/
+static switch_status_t openmrcp_asr_feed(switch_asr_handle_t *ah, void *data, unsigned int len, switch_asr_flag_t *flags)
+{
+
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ mrcp_client_t *mrcp_client = openmrcp_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = openmrcp_module.mrcp_client_context;
+ media_frame_t *media_frame;
+ switch_byte_t *buffer;
+
+ /* create new media frame */
+ media_frame = (media_frame_t *) switch_core_alloc(openmrcp_session->pool, sizeof(media_frame_t));
+ if (!media_frame) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "media_frame creation failed\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+
+ /**
+ * since *data buffer might get freed by caller (true or false?), allocate a
+ * new buffer and copy *data into it.
+ *
+ * MAJOR DESIGN ISSUE!! It is way too expensive to be calling malloc on every audio frame,
+ * this needs to send the packet directly. OpenMrcp will need a way to disable their own
+ * timer so that the fs timer is the only one driving the media.
+ **/
+ buffer = (switch_byte_t *) switch_core_alloc(openmrcp_session->pool, sizeof(switch_byte_t)*len);
+ if (!buffer) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate buffer\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+ buffer = memcpy(buffer, data, len);
+
+ media_frame->codec_frame.buffer = buffer;
+ media_frame->codec_frame.size = len;
+ media_frame->type = MEDIA_FRAME_TYPE_AUDIO;
+
+ /* push audio to queue */
+ if (switch_queue_trypush(openmrcp_session->audio_input_queue, (void *) media_frame)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "could not push audio to queue\n");
+ return SWITCH_STATUS_GENERR;
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+static switch_status_t openmrcp_asr_pause(switch_asr_handle_t *ah)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_asr_pause called\n");
+
+ return SWITCH_STATUS_SUCCESS;
+
+}
+
+static switch_status_t openmrcp_asr_resume(switch_asr_handle_t *ah)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "openmrcp_asr_resume called\n");
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/*! function to unload a grammar to the asr interface */
+static switch_status_t openmrcp_asr_unload_grammar(switch_asr_handle_t *ah, char *grammar)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Freeswitch calls this whenever the channel is hungup or the
+ * speech detection is stopped via a call to switch_ivr_stop_detect_speech()
+ */
+static switch_status_t openmrcp_asr_close(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_asr_close()\n");
+
+ mrcp_client_t *mrcp_client = openmrcp_module.mrcp_client;
+ mrcp_client_context_t *context = openmrcp_module.mrcp_client_context;
+
+ // TODO!! should we do a switch_pool_clear(switch_memory_pool_t *p) on the pool held
+ // by openmrcp_session?
+
+ // destroy channel
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to DESTROY CHANNEL\n");
+ mrcp_client_context_channel_destroy(context, openmrcp_session->client_session, 1);
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_DESTROY,10000) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "OPENMRCP_EVENT_CHANNEL_DESTROY received\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "timed out waiting for OPENMRCP_EVENT_CHANNEL_DESTROY\n");
+ }
+
+ // terminate client session
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to TERMINATE SESSION\n");
+ mrcp_client_context_session_terminate(context, openmrcp_session->client_session);
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_SESSION_TERMINATE,10000) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "OPENMRCP_EVENT_SESSION_TERMINATE recevied\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "timed out waiting for OPENMRCP_EVENT_SESSION_TERMINATE\n");
+ }
+
+ // destroy client session (NOTE: this sends a BYE to the other side)
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to DESTROY SESSION\n");
+ mrcp_client_context_session_destroy(context, openmrcp_session->client_session);
+
+ // destroys the openmrcp_session struct
+ openmrcp_session_destroy(openmrcp_session);
+
+ switch_set_flag(ah, SWITCH_ASR_FLAG_CLOSED);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/**
+ * Freeswitch calls this method from the speech_thread() thread body method
+ * in switch_ivr_async.c every time a new frame is received by the media bug
+ * attached to the audio channel. If this method returns SWITCH_STATUS_SUCCESS,
+ * then Freeswitch will call openmrcp_asr_get_results() to get the result value.
+ */
+static switch_status_t openmrcp_asr_check_results(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ switch_status_t rv = (switch_test_flag(openmrcp_session, FLAG_HAS_TEXT) || switch_test_flag(openmrcp_session, FLAG_BARGE)) ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
+
+ return rv;
+}
+
+/*! This will be called after asr_check_results returns SUCCESS */
+static switch_status_t openmrcp_asr_get_results(switch_asr_handle_t *ah, char **xmlstr, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_asr_get_results called\n");
+ switch_status_t ret = SWITCH_STATUS_SUCCESS;
+
+ if (switch_test_flag(openmrcp_session, FLAG_BARGE)) {
+ switch_clear_flag_locked(openmrcp_session, FLAG_BARGE);
+ ret = SWITCH_STATUS_BREAK;
+ }
+
+ if (switch_test_flag(openmrcp_session, FLAG_HAS_TEXT)) {
+ /*!
+ we have to extract the XML but stripping off the <?xml version="1.0"?>
+ header. the body looks like:
+
+ Completion-Cause:001 no-match
+ Content-Type: application/nlsml+xml
+ Content-Length: 260
+
+ <?xml version="1.0"?>
+ <result xmlns="http://www.ietf.org/xml/ns/mrcpv2" xmlns:ex="http://www.example.com/example" score="100" grammar="session:request1@form-level.store">
+ <interpretation>
+ <input mode="speech">open a</input>
+ </interpretation>
+ </result>
+ */
+
+ char *marker = "?>"; // FIXME -- lame and brittle way of doing this. use regex or better.
+ char *position = strstr(openmrcp_session->mrcp_message_last_rcvd->body, marker);
+ if (!position) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bad result received from mrcp server: %s", openmrcp_session->mrcp_message_last_rcvd->body);
+ ret = SWITCH_STATUS_FALSE;
+ }
+ else {
+ position += strlen(marker);
+ *xmlstr = strdup(position);
+ }
+
+ // since we are returning our result here, future calls to check_results
+ // should return False
+ switch_clear_flag_locked(openmrcp_session, FLAG_HAS_TEXT);
+ ret = SWITCH_STATUS_SUCCESS;
+ }
+ return ret;
+}
+
+static switch_asr_interface_t openmrcp_asr_interface = {
+ /*.interface_name*/ "openmrcp",
+ /*.asr_open*/ openmrcp_asr_open,
+ /*.asr_load_grammar*/ openmrcp_asr_load_grammar,
+ /*.asr_unload_grammar*/ openmrcp_asr_unload_grammar,
+ /*.asr_close*/ openmrcp_asr_close,
+ /*.asr_feed*/ openmrcp_asr_feed,
+ /*.asr_resume*/ openmrcp_asr_resume,
+ /*.asr_pause*/ openmrcp_asr_pause,
+ /*.asr_check_results*/ openmrcp_asr_check_results,
+ /*.asr_get_results*/ openmrcp_asr_get_results
+};
+
+static switch_loadable_module_interface_t openmrcp_module_interface = {
+ /*.module_name */ modname,
+ /*.endpoint_interface */ NULL,
+ /*.timer_interface */ NULL,
+ /*.dialplan_interface */ NULL,
+ /*.codec_interface */ NULL,
+ /*.application_interface */ NULL,
+ /*.api_interface */ NULL,
+ /*.file_interface */ NULL,
+ /*.speech_interface */ NULL,
+ /*.directory_interface */ NULL,
+ /*.chat_interface */ NULL,
+ /*.say_interface */ NULL,
+ /*.asr_interface */ &openmrcp_asr_interface
+};
+
+
+static switch_status_t do_config(void)
+{
+ char *cf = "mod_openmrcp.conf";
+ switch_xml_t cfg, xml, settings, param;
+
+ 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;
+ }
+
+ memset(&globals,0,sizeof(globals));
+
+ 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 (!strcasecmp(var, "client_ip")) {
+ globals.client_ip = val;
+ } else if (!strcasecmp(var, "server_ip")) {
+ globals.server_ip = val;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "globals.server_ip: %s\n", globals.server_ip);
+ } else if (!strcasecmp(var, "client_port")) {
+ globals.client_port = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "server_port")) {
+ globals.server_port = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "rtp_port_min")) {
+ globals.rtp_port_min = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "rtp_port_max")) {
+ globals.rtp_port_max = (uint32_t) atoi(val);
+ }
+
+ }
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+static switch_status_t mrcp_init()
+{
+ /*!
+ Perform one-time initialization of client library
+ */
+
+ mrcp_mem_pool_t *pool;
+ mrcp_client_event_handler_t *client_event_handler;
+ mrcp_client_t *mrcp_client;
+ mrcp_client_context_t *mrcp_client_context;
+ openmrcp_client_options_t *options;
+
+ pool = mrcp_global_pool_get();
+ options = mrcp_palloc(pool,sizeof(openmrcp_client_options_t));
+ client_event_handler = mrcp_palloc(pool,sizeof(mrcp_client_event_handler_t));
+ set_default_options(options);
+
+ client_event_handler->on_session_initiate = openmrcp_on_session_initiate;
+ client_event_handler->on_session_terminate = openmrcp_on_session_terminate;
+ client_event_handler->on_channel_add = openmrcp_on_channel_add;
+ client_event_handler->on_channel_remove = openmrcp_on_channel_remove;
+ client_event_handler->on_channel_modify = openmrcp_on_channel_modify;
+
+ // create client context, which to must be passed to client engine
+ mrcp_client_context = mrcp_client_context_create(&openmrcp_module,client_event_handler);
+ if(!mrcp_client_context) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mrcp_client_context creation failed\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ openmrcp_module.mrcp_client_context = mrcp_client_context;
+
+ // this basically starts a thread that pulls events from the event queue
+ // and handles them
+ mrcp_client = openmrcp_client_start(options,mrcp_client_context);
+ if(!mrcp_client) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_client_start FAILED\n");
+ mrcp_client_context_destroy(mrcp_client_context);
+ return SWITCH_STATUS_GENERR;
+ }
+
+ openmrcp_module.mrcp_client = mrcp_client;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_openmrcp_load)
+{
+
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = &openmrcp_module_interface;
+
+ /* read config */
+ do_config();
+
+ /* initialize openmrcp */
+ mrcp_global_init();
+ mrcp_init();
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_openmrcp_shutdown)
+{
+ return SWITCH_STATUS_UNLOAD;
+}
Modified: freeswitch/branches/greenlizard/src/mod/xml_int/mod_xml_curl/mod_xml_curl.c
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/xml_int/mod_xml_curl/mod_xml_curl.c (original)
+++ freeswitch/branches/greenlizard/src/mod/xml_int/mod_xml_curl/mod_xml_curl.c Fri Aug 10 15:30:18 2007
@@ -72,6 +72,7 @@
xml_binding_t *binding = (xml_binding_t *) user_data;
char *file_url;
struct curl_slist *slist = NULL;
+ long httpRes;
if (!binding) {
return NULL;
@@ -126,6 +127,7 @@
}
curl_easy_perform(curl_handle);
+ curl_easy_getinfo(curl_handle, CURLINFO_RESPONSE_CODE,&httpRes);
curl_easy_cleanup(curl_handle);
close(config_data.fd);
} else {
@@ -134,8 +136,14 @@
switch_safe_free(data);
- if (!(xml = switch_xml_parse_file(filename))) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Parsing Result!\n");
+ if(httpRes==200) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Got 200 response, calling switch_xml_parse_file: %s!\n", filename);
+ if (!(xml = switch_xml_parse_file(filename))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Parsing Result!\n");
+ }
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Received HTTP error %ld trying to fetch %s\n",httpRes,key_value);
+ xml=NULL;
}
unlink(filename);
1
0
[commit] r5584 - freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec
by Freeswitch SVN 10 Aug '07
by Freeswitch SVN 10 Aug '07
10 Aug '07
Author: greenlizard
Date: Fri Aug 10 14:24:42 2007
New Revision: 5584
Modified:
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c
Log:
Use configuration file instead of hardcoding parameters
Modified: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile (original)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile Fri Aug 10 14:24:42 2007
@@ -3,12 +3,18 @@
# and define these variables to impact your build
+# TO GET THIS TO COMPILE
+# hack ../../../../build/modmake.rules and remove the
+# -Werror from the ALL_CFLAGS variable.
+
# TODO
-# - needs to compile/link against the freeswitch sofia libs
-# - tie up these includes somehow so there isn't so many
-# - ditto for the .a library files
+# - fix all the code that is causing warnings (We are currently working with Joe Stenbrenner from Division Management to have this task outsourced to Bangalore)
+# - re-enable the -Werror flag (see above)
+# - needs to compile/link against the _freeswitch_ sofia libs (see FIXME)
+# - is there an openmrcp dir in the fs tree yet? (see FIXME)
-OPENMRCP_DIR=/usr/src/openmrcp_stable # FIXME!!!
+# FIXME!!!
+OPENMRCP_DIR=/usr/src/openmrcp_stable
OPENMRCP_INCLUDE=-I$(OPENMRCP_DIR)/mrcpcore/client/include/ -I$(OPENMRCP_DIR)/platform/openmrcpclient/include/ -I$(OPENMRCP_DIR)/mediaframe/include/ -I$(OPENMRCP_DIR)/mrcpcore/engine/include/ -I$(OPENMRCP_DIR)/mrcpcore/include/ -I$(OPENMRCP_DIR)/mrcpcore/parser/include/ -I$(OPENMRCP_DIR)/mrcpcore/server/include/ -I$(OPENMRCP_DIR)/mrcpcore/media/include/ -I$(OPENMRCP_DIR)/mrcpcore/util/include -I$(OPENMRCP_DIR)/mrcpcore/resource/include/
Modified: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c (original)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c Fri Aug 10 14:24:42 2007
@@ -67,6 +67,16 @@
SWITCH_MODULE_DEFINITION(mod_mrcprec, mod_mrcprec_load,
mod_mrcprec_shutdown, NULL);
+static struct {
+ char *client_ip;
+ char *server_ip;
+ uint32_t client_port;
+ uint32_t server_port;
+ uint32_t rtp_port_min;
+ uint32_t rtp_port_max;
+} globals;
+
+
typedef enum {
OPENMRCP_EVENT_NONE,
OPENMRCP_EVENT_SESSION_INITIATE,
@@ -194,24 +204,18 @@
openmrcp_event_t *popped_event = NULL;
size_t sleep_ms = 100;
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_session_wait_for_event()\n");
if(openmrcp_session->event_queue) {
if (switch_queue_trypop(openmrcp_session->event_queue, &popped_event)) {
- // most likely this failed because queue is empty. how about we sleep for
- // timeout seconds and try again?
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "did not pop anything from event queue\n");
-
+ // most likely this failed because queue is empty. sleep for timeout seconds and try again?
if (timeout > 0) {
-
if (timeout < sleep_ms) {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sleeping %d millieconds\n", timeout);
- switch_sleep(timeout * 1000); // convert milliseconds -> microseconds
+ switch_sleep(timeout * 1000); // ms->us
timeout = 0;
}
else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sleeping %d millieconds\n", sleep_ms);
- switch_sleep(sleep_ms * 1000); // convert milliseconds -> microseconds
+ switch_sleep(sleep_ms * 1000); // ms->us
timeout -= sleep_ms;
}
@@ -355,39 +359,20 @@
}
-/* this needs to be moved to a config file */
+
static apr_status_t set_default_options(openmrcp_client_options_t *options)
{
- options->client_ip = NULL;
- options->client_port = 0;
- options->server_ip = NULL;
- options->server_port = 0;
- options->rtp_port_min = 0;
- options->rtp_port_max = 0;
mrcp_logger.priority = MRCP_PRIO_INFO;
-
- if(options->client_ip == NULL) {
- options->client_ip = "127.0.0.1";
- }
- if(options->client_port == 0) {
- options->client_port = 8062;
- }
- if(options->server_ip == NULL) {
- options->server_ip = "127.0.0.1";
- }
- if(options->server_port == 0) {
- options->server_port = 8060;
- }
- if(options->rtp_port_min == 0) {
- options->rtp_port_min = 4000;
- }
- if(options->rtp_port_max == 0) {
- options->rtp_port_max = 6000;
- }
-
+ options->client_ip = globals.client_ip;
+ options->server_ip = globals.server_ip;
+ options->client_port = globals.client_port;
+ options->server_port = globals.server_port;
+ options->rtp_port_min = globals.rtp_port_min;
+ options->rtp_port_max = globals.rtp_port_max;
return APR_SUCCESS;
}
+
/**
* Called back by openmcp client thread every time its ready for more audio
* Reads data that was put into a shared fifo queue upon receiving audio frames
@@ -487,22 +472,24 @@
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "asr_open called, codec: %s, rate: %d\n", codec, rate);
/*!
- sanity checking regarding codec/rate - NOTE: some of the other codecs and rates might
- actually work, but since they have not been tested yet, they are currently not
- allowed. forcing MRCP to use 20 as the CODEC_FRAME_TIME_BASE effectively ensures
+ NOTE: According to the current FS media bugs design, the media bug can only feed audio
+ data in SLIN (L16) format. So we dont need to worry about other codecs.
+
+ NOTE: forcing MRCP to use 20 as the CODEC_FRAME_TIME_BASE effectively ensures
that it matches with 16-bit audio at 8kz with 320 byte frames. in testing, leaving
CODEC_FRAME_TIME_BASE at 10 and using pop (instead of trypop) in
openmrcp_recognizer_read_frame() actually produces clean audio, however it causes
other problems as the full channel/session cleanup never completes in openmrcp, most
likely due to a thread being blocked on a pop call from audio queue. but with trypop
(to avoid the cleanup problem), it only produces clean audio when CODEC_FRAME_TIME_BASE
- is set to 20.
+ is set to 20.
*/
if (strcmp(codec,"L16")) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only L16 codec supported\n");
return SWITCH_STATUS_GENERR;
}
if (rate != 8000) {
+ // TODO: look into supporting other sample rates
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only 8kz supported\n");
return SWITCH_STATUS_GENERR;
}
@@ -619,8 +606,14 @@
return SWITCH_STATUS_MEMERR;
}
- /** since *data buffer might get freed by caller (true or false?), allocate a
- new buffer and copy *data into it **/
+ /**
+ * since *data buffer might get freed by caller (true or false?), allocate a
+ * new buffer and copy *data into it.
+ *
+ * MAJOR DESIGN ISSUE!! It is way too expensive to be calling malloc on every audio frame,
+ * this needs to send the packet directly. OpenMrcp will need a way to disable their own
+ * timer so that the fs timer is the only one driving the media.
+ **/
buffer = (switch_byte_t *) switch_core_alloc(openmrcp_session->pool, sizeof(switch_byte_t)*len);
if (!buffer) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate buffer\n");
@@ -810,6 +803,45 @@
};
+static switch_status_t do_config(void)
+{
+ char *cf = "mod_openmrcp.conf";
+ switch_xml_t cfg, xml, settings, param;
+
+ 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;
+ }
+
+ memset(&globals,0,sizeof(globals));
+
+ 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 (!strcasecmp(var, "client_ip")) {
+ globals.client_ip = val;
+ } else if (!strcasecmp(var, "server_ip")) {
+ globals.server_ip = val;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "globals.server_ip: %s\n", globals.server_ip);
+ } else if (!strcasecmp(var, "client_port")) {
+ globals.client_port = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "server_port")) {
+ globals.server_port = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "rtp_port_min")) {
+ globals.rtp_port_min = (uint32_t) atoi(val);
+ } else if (!strcasecmp(var, "rtp_port_max")) {
+ globals.rtp_port_max = (uint32_t) atoi(val);
+ }
+
+ }
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
static switch_status_t mrcp_init()
{
/*!
@@ -860,6 +892,9 @@
/* connect my internal structure to the blank pointer passed to me */
*module_interface = &mrcprec_module_interface;
+
+ /* read config */
+ do_config();
/* initialize openmrcp */
mrcp_global_init();
1
0
[commit] r5583 - freeswitch/trunk/src/mod/languages/mod_spidermonkey_core_db
by Freeswitch SVN 10 Aug '07
by Freeswitch SVN 10 Aug '07
10 Aug '07
Author: anthm
Date: Fri Aug 10 10:27:25 2007
New Revision: 5583
Modified:
freeswitch/trunk/src/mod/languages/mod_spidermonkey_core_db/mod_spidermonkey_core_db.c
Log:
add close method needs testing
Modified: freeswitch/trunk/src/mod/languages/mod_spidermonkey_core_db/mod_spidermonkey_core_db.c
==============================================================================
--- freeswitch/trunk/src/mod/languages/mod_spidermonkey_core_db/mod_spidermonkey_core_db.c (original)
+++ freeswitch/trunk/src/mod/languages/mod_spidermonkey_core_db/mod_spidermonkey_core_db.c Fri Aug 10 10:27:25 2007
@@ -73,17 +73,33 @@
return JS_FALSE;
}
-static void db_destroy(JSContext * cx, JSObject * obj)
+static JSBool db_close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
struct db_obj *dbo = JS_GetPrivate(cx, obj);
-
+
if (dbo) {
- switch_memory_pool_t *pool = dbo->pool;
if (dbo->stmt) {
switch_core_db_finalize(dbo->stmt);
dbo->stmt = NULL;
}
- switch_core_db_close(dbo->db);
+ if (dbo->db) {
+ switch_core_db_close(dbo->db);
+ dbo->db = NULL;
+ }
+ }
+
+ return JS_TRUE;
+}
+
+static void db_destroy(JSContext *cx, JSObject *obj)
+{
+ struct db_obj *dbo = JS_GetPrivate(cx, obj);
+
+ if (dbo) {
+ switch_memory_pool_t *pool = dbo->pool;
+ jsval rval = JS_TRUE;
+
+ db_close(cx, obj, 0, NULL, &rval);
switch_core_destroy_memory_pool(&pool);
pool = NULL;
}
@@ -119,6 +135,10 @@
struct db_obj *dbo = JS_GetPrivate(cx, obj);
*rval = INT_TO_JSVAL(0);
+ if (!dbo->db) {
+ return JS_FALSE;
+ }
+
if (argc > 0) {
char *sql = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
char *err = NULL;
@@ -153,6 +173,10 @@
struct db_obj *dbo = JS_GetPrivate(cx, obj);
*rval = BOOLEAN_TO_JSVAL(JS_FALSE);
+ if (!dbo->db) {
+ return JS_FALSE;
+ }
+
if (dbo->stmt) {
int running = 1;
while (running < 5000) {
@@ -180,6 +204,10 @@
char code[1024];
int x;
+ if (!dbo->db) {
+ return JS_FALSE;
+ }
+
snprintf(code, sizeof(code), "~var _dB_RoW_DaTa_ = {}");
eval_some_js(code, dbo->cx, dbo->obj, rval);
if (*rval == JS_FALSE) {
@@ -207,6 +235,10 @@
*rval = BOOLEAN_TO_JSVAL(JS_FALSE);
+ if (!dbo->db) {
+ return JS_FALSE;
+ }
+
if (dbo->stmt) {
switch_core_db_finalize(dbo->stmt);
dbo->stmt = NULL;
@@ -229,6 +261,7 @@
static JSFunctionSpec db_methods[] = {
{"exec", db_exec, 1},
+ {"close", db_close, 0},
{"next", db_next, 0},
{"fetch", db_fetch, 1},
{"prepare", db_prepare, 0},
1
0
[commit] r5582 - freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec
by Freeswitch SVN 09 Aug '07
by Freeswitch SVN 09 Aug '07
09 Aug '07
Author: greenlizard
Date: Thu Aug 9 17:24:12 2007
New Revision: 5582
Added:
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile
freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c
Log:
rough (but working) version of a module which connects to a speech recognition server via openmrcp client lib
Added: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile
==============================================================================
--- (empty file)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/Makefile Thu Aug 9 17:24:12 2007
@@ -0,0 +1,27 @@
+# define these targets in your makefile if you wish
+# local_all local_depend local_clean depend_install local_install local_distclean local_extraclean:
+
+# and define these variables to impact your build
+
+# TODO
+# - needs to compile/link against the freeswitch sofia libs
+# - tie up these includes somehow so there isn't so many
+# - ditto for the .a library files
+
+OPENMRCP_DIR=/usr/src/openmrcp_stable # FIXME!!!
+
+OPENMRCP_INCLUDE=-I$(OPENMRCP_DIR)/mrcpcore/client/include/ -I$(OPENMRCP_DIR)/platform/openmrcpclient/include/ -I$(OPENMRCP_DIR)/mediaframe/include/ -I$(OPENMRCP_DIR)/mrcpcore/engine/include/ -I$(OPENMRCP_DIR)/mrcpcore/include/ -I$(OPENMRCP_DIR)/mrcpcore/parser/include/ -I$(OPENMRCP_DIR)/mrcpcore/server/include/ -I$(OPENMRCP_DIR)/mrcpcore/media/include/ -I$(OPENMRCP_DIR)/mrcpcore/util/include -I$(OPENMRCP_DIR)/mrcpcore/resource/include/
+
+OPENMRCP_LIBS=$(OPENMRCP_DIR)/platform/openmrcpclient/.libs/libopenmrcpclient.a $(OPENMRCP_DIR)/platform/openmrcpserver/.libs/libopenmrcpserver.a $(OPENMRCP_DIR)/mrcpcore/client/.libs/libmrcpclient.a $(OPENMRCP_DIR)/mediaframe/.libs/libmediaframe.a $(OPENMRCP_DIR)/mrcpcore/engine/.libs/libmrcpengine.a $(OPENMRCP_DIR)/mrcpcore/parser/.libs/libmrcpparser.a $(OPENMRCP_DIR)/mrcpcore/server/.libs/libmrcpserver.a $(OPENMRCP_DIR)/mrcpcore/media/.libs/libmrcpmedia.a $(OPENMRCP_DIR)/mrcpcore/util/.libs/libmrcputil.a $(OPENMRCP_DIR)/mrcpcore/util/.libs/libmrcputil.a $(OPENMRCP_DIR)/mrcpcore/resource/.libs/libmrcpresource.a $(OPENMRCP_DIR)/module/plugin/demo/.libs/libdemoplugin.a $(OPENMRCP_DIR)/module/mrcpv2agent/.libs/libmrcpv2agent.a $(OPENMRCP_DIR)/module/mrcplivemedia/.libs/libmrcplivemedia.a $(OPENMRCP_DIR)/module/mrcpsofiasip/.libs/libmrcpsofiasip.a $(OPENMRCP_DIR)/mrcpcore/.libs/libmrcpcore.a
+
+MRCP_APR_INCLUDES = -I../../../../libs/apr/include
+MRCP_APU_INCLUDES = -I../../../../libs/apr-util/include
+MRCP_SOFIA_INCLUDES = -I/usr/local/include/sofia-sip-1.12 # FIXME!!
+
+LOCAL_CFLAGS= -Wno-unused
+LOCAL_CFLAGS+= -Wno-comment -Wno-sign-compare $(OPENMRCP_INCLUDE) $(MRCP_APR_INCLUDES) $(MRCP_APU_INCLUDES) $(MRCP_SOFIA_INCLUDES)
+
+LOCAL_LDFLAGS=$(OPENMRCP_LIBS)
+VERBOSE=TRUE
+include ../../../../build/modmake.rules
+
Added: freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c
==============================================================================
--- (empty file)
+++ freeswitch/branches/greenlizard/src/mod/asr_tts/mod_mrcprec/mod_mrcprec.c Thu Aug 9 17:24:12 2007
@@ -0,0 +1,875 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct(a)yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct(a)yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Traun Leyden <tleyden(a)branchcut.com>
+ *
+ * Module which acts as an MRCP client to an MRCP speech recognition
+ * server. In other words it bridges freeswitch to an external speech
+ * recognition system.
+ *
+ * Uses OpenMrcp (http://wiki.freeswitch.org/wiki/OpenMRCP) as the
+ * the client library.
+ *
+ */
+#ifdef __ICC
+#pragma warning (disable:188)
+#endif
+
+
+#include "openmrcp_client.h"
+#include "mrcp_client_context.h"
+#include "mrcp_recognizer.h"
+#include "mrcp_generic_header.h"
+#include "rtp_session.h"
+#include "mrcp_client.h"
+#include "mrcp_client_context.h"
+#include "mrcp_client_defs.h"
+#include "mrcp_client_session.h"
+#include "mrcp_client_resource.h"
+#include "mrcp_client_signaling_agent.h"
+#include "mrcp_media_agent.h"
+#include "mrcp_resource.h"
+#include "mrcp_consumer_task.h"
+#include <apr_general.h>
+#include <apr_file_io.h>
+#include <apr_thread_proc.h>
+#include <apr_thread_cond.h>
+#include <apr_strings.h>
+
+#include <switch.h>
+
+#define OPENMRCP_WAIT_TIMEOUT 5000
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_mrcprec_load);
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_mrcprec_shutdown);
+SWITCH_MODULE_DEFINITION(mod_mrcprec, mod_mrcprec_load,
+ mod_mrcprec_shutdown, NULL);
+
+typedef enum {
+ OPENMRCP_EVENT_NONE,
+ OPENMRCP_EVENT_SESSION_INITIATE,
+ OPENMRCP_EVENT_SESSION_TERMINATE,
+ OPENMRCP_EVENT_CHANNEL_CREATE,
+ OPENMRCP_EVENT_CHANNEL_DESTROY,
+ OPENMRCP_EVENT_CHANNEL_MODIFY
+} openmrcp_event_t;
+
+static const char *openmrcp_event_names[] = {
+ "NONE",
+ "SESSION_INITIATE",
+ "SESSION_TERMINATE",
+ "CHANNEL_CREATE",
+ "CHANNEL_DESTROY",
+ "CHANNEL_MODIFY",
+};
+
+// TODO: rename this to mrcprec_session_t
+typedef struct openmrcp_session_t openmrcp_session_t;
+struct openmrcp_session_t {
+ mrcp_session_t *client_session;
+ mrcp_client_channel_t *channel;
+ switch_queue_t *audio_input_queue;
+ switch_queue_t *event_queue;
+ mrcp_message_t *mrcp_message_last_rcvd;
+ audio_source_t *source;
+ apr_pool_t *pool;
+ apr_thread_cond_t *wait_object;
+ apr_thread_mutex_t *wait_object_mutex;
+ openmrcp_event_t wait_event;
+ uint32_t flags;
+ switch_mutex_t *flag_mutex;
+};
+
+static apr_status_t openmrcp_recognizer_read_frame(audio_source_t *source, media_frame_t *frame);
+
+static const audio_source_method_set_t audio_source_method_set = {
+ NULL,
+ NULL,
+ NULL,
+ openmrcp_recognizer_read_frame
+};
+
+typedef enum {
+ FLAG_HAS_TEXT = (1 << 0),
+ FLAG_BARGE = (1 << 1),
+ FLAG_READY = (1 << 2)
+} mrcp_flag_t;
+
+typedef struct {
+ mrcp_client_t *mrcp_client;
+ mrcp_client_context_t *mrcp_client_context;
+} mrcprec_module_t;
+
+static mrcprec_module_t mrcprec_module;
+
+static void log_callback(const char* message, void* userdata)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "%s\n", message);
+}
+
+static const char *state_names[] = {
+ "NOT_READY",
+ "READY",
+ "BARGE_IN",
+ "END_SPEECH",
+ "STOPPED",
+ "BARGE_IN_TIMEOUT",
+ "END_SPEECH_TIMEOUT",
+ "BEEP"
+};
+
+static openmrcp_session_t* openmrcp_session_create()
+{
+ openmrcp_session_t *openmrcp_session;
+ apr_pool_t *session_pool;
+
+ if(apr_pool_create(&session_pool,NULL) != APR_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "failed to create session_pool\n");
+ return NULL;
+ }
+
+ openmrcp_session = apr_palloc(session_pool,sizeof(openmrcp_session_t));
+ openmrcp_session->pool = session_pool;
+ openmrcp_session->client_session = NULL;
+ openmrcp_session->channel = NULL;
+ openmrcp_session->audio_input_queue = NULL;
+ openmrcp_session->event_queue = NULL;
+ openmrcp_session->wait_event = OPENMRCP_EVENT_NONE;
+
+ apr_thread_mutex_create(&openmrcp_session->wait_object_mutex, APR_THREAD_MUTEX_UNNESTED, openmrcp_session->pool);
+
+ apr_thread_cond_create(&openmrcp_session->wait_object, openmrcp_session->pool);
+
+
+ /* create an event queue */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "creating event queue\n");
+ if (switch_queue_create(&openmrcp_session->event_queue, 1000, openmrcp_session->pool)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "event queue creation failed\n");
+ }
+
+ return openmrcp_session;
+}
+
+static mrcp_status_t openmrcp_session_destroy(openmrcp_session_t *openmrcp_session)
+{
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+
+ if(openmrcp_session->pool) {
+ apr_thread_cond_destroy(openmrcp_session->wait_object);
+ apr_thread_mutex_destroy(openmrcp_session->wait_object_mutex);
+ apr_pool_destroy(openmrcp_session->pool);
+ openmrcp_session->pool = NULL;
+ }
+ return MRCP_STATUS_SUCCESS;
+}
+
+
+static mrcp_status_t openmrcp_session_wait_for_event(openmrcp_session_t *openmrcp_session, openmrcp_event_t openmrcp_event, size_t timeout)
+{
+ mrcp_status_t status = MRCP_STATUS_SUCCESS;
+ openmrcp_event_t *popped_event = NULL;
+ size_t sleep_ms = 100;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_session_wait_for_event()\n");
+
+ if(openmrcp_session->event_queue) {
+ if (switch_queue_trypop(openmrcp_session->event_queue, &popped_event)) {
+ // most likely this failed because queue is empty. how about we sleep for
+ // timeout seconds and try again?
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "did not pop anything from event queue\n");
+
+ if (timeout > 0) {
+
+ if (timeout < sleep_ms) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sleeping %d millieconds\n", timeout);
+ switch_sleep(timeout * 1000); // convert milliseconds -> microseconds
+ timeout = 0;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "sleeping %d millieconds\n", sleep_ms);
+ switch_sleep(sleep_ms * 1000); // convert milliseconds -> microseconds
+ timeout -= sleep_ms;
+ }
+
+ // call recursively
+ // TODO: This is going to end up in a lot of recursion and
+ // maybe blow the stack .. rethink this approach
+ return openmrcp_session_wait_for_event(openmrcp_session, openmrcp_event, timeout);
+
+ }
+ else {
+ // nothing in queue, no timeout left, return failure
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "nothing in queue, no timeout left, return failure\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped event\n");
+ // check if popped event matches the event we are looking for
+ if (*popped_event == openmrcp_event) {
+ // just what we were waiting for!
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "just what we were waiting for! rturn success\n");
+ return MRCP_STATUS_SUCCESS;
+ }
+ else {
+ // nothing popped, but maybe there's other things in queue, or something will arrive
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped unexpected\n");
+ if (!popped_event) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped NULL!!\n");
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped: %d\n", *popped_event);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped name: %s\n", openmrcp_event_names[*popped_event]);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "popped [%s] but was expecting [%s], but maybe there's other things in queue, or something will arrive\n", openmrcp_event_names[*popped_event], openmrcp_event_names[openmrcp_event]);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "calling recursively\n");
+ return openmrcp_session_wait_for_event(openmrcp_session, openmrcp_event, timeout);
+ }
+
+ }
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "event queue is null\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+}
+
+
+static mrcp_status_t openmrcp_session_signal_event(openmrcp_session_t *openmrcp_session, openmrcp_event_t openmrcp_event)
+{
+ mrcp_status_t status = MRCP_STATUS_SUCCESS;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Got event: %s\n", openmrcp_event_names[openmrcp_event]);
+
+
+ // allocate memory for event
+ openmrcp_event_t *event2queue = (openmrcp_event_t *) switch_core_alloc(openmrcp_session->pool, sizeof(openmrcp_event_t));
+ *event2queue = openmrcp_event;
+
+ // add it to queue
+ if (switch_queue_trypush(openmrcp_session->event_queue, (void *) event2queue)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "could not push event to queue\n");
+ status = SWITCH_STATUS_GENERR;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "pushed event to queue: %s\n", openmrcp_event_names[*event2queue]);
+ }
+
+ return status;
+}
+
+
+static mrcp_status_t openmrcp_on_session_initiate(mrcp_client_context_t *context, mrcp_session_t *session)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_session_initiate called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_SESSION_INITIATE);
+}
+
+static mrcp_status_t openmrcp_on_session_terminate(mrcp_client_context_t *context, mrcp_session_t *session)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_session_terminate called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_SESSION_TERMINATE);
+}
+
+static mrcp_status_t openmrcp_on_channel_add(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_client_channel_t *channel)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_channel_add called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_CREATE);
+}
+
+static mrcp_status_t openmrcp_on_channel_remove(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_client_channel_t *channel)
+{
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "openmrcp_on_channel_remove called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ return MRCP_STATUS_FAILURE;
+ }
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_DESTROY);
+}
+
+/** this is called by the mrcp core whenever an mrcp message is received from
+ the other side. */
+static mrcp_status_t openmrcp_on_channel_modify(mrcp_client_context_t *context, mrcp_session_t *session, mrcp_message_t *mrcp_message)
+{
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "openmrcp_on_channel_modify called\n");
+ openmrcp_session_t *openmrcp_session = mrcp_client_context_session_object_get(session);
+ if(!openmrcp_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "!openmrcp_session\n");
+ return MRCP_STATUS_FAILURE;
+ }
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "openmrcp_session: %p\n", openmrcp_session);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mrcp msg method name: %s\n", mrcp_message->start_line.method_name);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mrcp msg body: %s\n", mrcp_message->body);
+
+ if (!strcmp(mrcp_message->start_line.method_name,"RECOGNITION-COMPLETE")) {
+ openmrcp_session->mrcp_message_last_rcvd = mrcp_message;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting FLAG_HAS_TEXT\n");
+ switch_set_flag_locked(openmrcp_session, FLAG_HAS_TEXT);
+ }
+ else if (!strcmp(mrcp_message->start_line.method_name,"START-OF-SPEECH")) {
+ openmrcp_session->mrcp_message_last_rcvd = mrcp_message;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "setting FLAG_BARGE\n");
+ switch_set_flag_locked(openmrcp_session, FLAG_BARGE);
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "ignoring method: %s\n", mrcp_message->start_line.method_name);
+ }
+
+ return openmrcp_session_signal_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_MODIFY);
+}
+
+
+/* this needs to be moved to a config file */
+static apr_status_t set_default_options(openmrcp_client_options_t *options)
+{
+ options->client_ip = NULL;
+ options->client_port = 0;
+ options->server_ip = NULL;
+ options->server_port = 0;
+ options->rtp_port_min = 0;
+ options->rtp_port_max = 0;
+ mrcp_logger.priority = MRCP_PRIO_INFO;
+
+ if(options->client_ip == NULL) {
+ options->client_ip = "127.0.0.1";
+ }
+ if(options->client_port == 0) {
+ options->client_port = 8062;
+ }
+ if(options->server_ip == NULL) {
+ options->server_ip = "127.0.0.1";
+ }
+ if(options->server_port == 0) {
+ options->server_port = 8060;
+ }
+ if(options->rtp_port_min == 0) {
+ options->rtp_port_min = 4000;
+ }
+ if(options->rtp_port_max == 0) {
+ options->rtp_port_max = 6000;
+ }
+
+ return APR_SUCCESS;
+}
+
+/**
+ * Called back by openmcp client thread every time its ready for more audio
+ * Reads data that was put into a shared fifo queue upon receiving audio frames
+ * from asr_feed()
+ */
+static apr_status_t openmrcp_recognizer_read_frame(audio_source_t *source, media_frame_t *frame)
+{
+ openmrcp_session_t *openmrcp_session = source->object;
+ frame->type = MEDIA_FRAME_TYPE_NONE;
+ apr_status_t result;
+ media_frame_t *queue_frame = NULL;
+
+
+ /* pop next media frame data from incoming queue into frame */
+ if(openmrcp_session->audio_input_queue) {
+ if (switch_queue_trypop(openmrcp_session->audio_input_queue, &queue_frame)) {
+ // switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "could not pop from queue\n");
+ result = MRCP_STATUS_FAILURE;
+ }
+ else {
+ frame->codec_frame.size = queue_frame->codec_frame.size;
+ frame->codec_frame.buffer = queue_frame->codec_frame.buffer;
+ frame->type = MEDIA_FRAME_TYPE_AUDIO;
+ result = APR_SUCCESS;
+ }
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "no audio_in queue\n");
+ result = MRCP_STATUS_FAILURE;
+ }
+
+ return result;
+}
+
+/** Read in the grammar and construct an MRCP Recognize message that has
+ The grammar attached as the payload */
+static mrcp_status_t openmrcp_recog_start(mrcp_client_context_t *context, openmrcp_session_t *openmrcp_session, char *path)
+{
+
+ mrcp_generic_header_t *generic_header;
+ apr_status_t rv;
+ apr_file_t *fp;
+ apr_pool_t *mp;
+ apr_finfo_t finfo;
+ char *buf1;
+ int bytes2read = 0;
+
+ mrcp_message_t *mrcp_message = mrcp_client_context_message_get(context, openmrcp_session->client_session, openmrcp_session->channel, RECOGNIZER_RECOGNIZE);
+
+ if(!mrcp_message) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not create mrcp msg\n");
+ return MRCP_STATUS_FAILURE;
+ }
+
+ /* open the file with the grammar and read into char* buffer */
+ mp = mrcp_message->pool;
+ if ((rv = apr_file_open(&fp, path, APR_READ, APR_OS_DEFAULT, mp)) != APR_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not read grammar\n");
+ return -1;
+ }
+ rv = apr_file_info_get(&finfo, APR_FINFO_NORM, fp);
+
+ buf1 = apr_palloc(mp, finfo.size);
+ bytes2read = finfo.size;
+ rv = apr_file_read(fp, buf1, &bytes2read);
+ generic_header = mrcp_generic_header_prepare(mrcp_message);
+ if(!generic_header) {
+ return MRCP_STATUS_FAILURE;
+ }
+
+ generic_header->content_type = mrcp_str_pdup(mrcp_message->pool,"application/srgs+xml");
+ mrcp_generic_header_property_add(mrcp_message,GENERIC_HEADER_CONTENT_TYPE);
+ mrcp_message->body = mrcp_str_pdup(mrcp_message->pool,buf1);
+
+ /* send the MRCP RECOGNIZE message to MRCP server */
+ return mrcp_client_context_channel_modify(context, openmrcp_session->client_session, mrcp_message);
+
+}
+
+
+/**
+ * Freeswitch calls this from switch_ivr_detect_speech() and then adds a media
+ * bug to tap into the channel's audio, which will result in all data getting
+ * passed to asr_feed() and calls to asr_check_results() on each recevied frame.
+ *
+ * This code expects certain one-time initialization of the openmrcp client
+ * engine/systeme to have already taken place.function to open the asr interface
+ */
+static switch_status_t mrcprec_asr_open(switch_asr_handle_t *ah, char *codec, int rate, char *dest, switch_asr_flag_t *flags)
+{
+ mrcp_client_t *mrcp_client = mrcprec_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = mrcprec_module.mrcp_client_context ;
+ openmrcp_client_options_t *options;
+ openmrcp_session_t *openmrcp_session;
+ audio_source_t *source;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "asr_open called, codec: %s, rate: %d\n", codec, rate);
+
+ /*!
+ sanity checking regarding codec/rate - NOTE: some of the other codecs and rates might
+ actually work, but since they have not been tested yet, they are currently not
+ allowed. forcing MRCP to use 20 as the CODEC_FRAME_TIME_BASE effectively ensures
+ that it matches with 16-bit audio at 8kz with 320 byte frames. in testing, leaving
+ CODEC_FRAME_TIME_BASE at 10 and using pop (instead of trypop) in
+ openmrcp_recognizer_read_frame() actually produces clean audio, however it causes
+ other problems as the full channel/session cleanup never completes in openmrcp, most
+ likely due to a thread being blocked on a pop call from audio queue. but with trypop
+ (to avoid the cleanup problem), it only produces clean audio when CODEC_FRAME_TIME_BASE
+ is set to 20.
+ */
+ if (strcmp(codec,"L16")) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only L16 codec supported\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ if (rate != 8000) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Sorry, only 8kz supported\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ if (CODEC_FRAME_TIME_BASE != 20) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "You must recompile openmrcp with #define CODEC_FRAME_TIME_BASE 20\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CODEC_FRAME_TIME_BASE: %d\n", CODEC_FRAME_TIME_BASE);
+ }
+
+ /* create session */
+ openmrcp_session = openmrcp_session_create();
+ if (!openmrcp_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_session creation FAILED\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ openmrcp_session->client_session = mrcp_client_context_session_create(mrcp_client_context,openmrcp_session);
+ if (!openmrcp_session->client_session) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_session creation FAILED\n");
+ return SWITCH_STATUS_GENERR;
+ }
+
+ /* create audio source */
+ source = mrcp_palloc(openmrcp_session->pool,sizeof(audio_source_t));
+ source->method_set = &audio_source_method_set;
+ source->object = openmrcp_session;
+ openmrcp_session->source = source;
+
+ /**
+ * create a new fifo queue. incoming audio received from freeswitch
+ * will be put into this queue, and it will be later pulled out by
+ * the openmrcp client thread.
+ */
+ if (switch_queue_create(&openmrcp_session->audio_input_queue, 10000, openmrcp_session->pool)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "audio queue creation failed\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+
+ openmrcp_session->flags = *flags;
+ switch_mutex_init(&openmrcp_session->flag_mutex, SWITCH_MUTEX_NESTED, openmrcp_session->pool);
+
+ ah->private_info = openmrcp_session;
+
+ return SWITCH_STATUS_SUCCESS;
+
+}
+
+/* function to load a grammar to the asr interface */
+static switch_status_t mrcprec_asr_load_grammar(switch_asr_handle_t *ah, char *grammar, char *path)
+{
+ /** Read grammar from path and create and send and MRCP RECOGNIZE msg
+ that has the grammar attached to body.
+
+ TODO: - how does DEFINE-GRAMMAR fit into the picture here? (if at all)
+ */
+
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ mrcp_client_t *mrcp_client = mrcprec_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = mrcprec_module.mrcp_client_context;
+ audio_source_t *source = openmrcp_session->source;
+
+ /* create recognizer channel, also starts outgoing rtp media */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Loading grammar\n");
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Create Recognizer Channel\n");
+ openmrcp_session->channel = mrcp_client_recognizer_channel_create(mrcp_client_context, openmrcp_session->client_session, source);
+
+ if (!openmrcp_session->channel) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to create recognizer channel\n");
+ return SWITCH_STATUS_FALSE;
+ }
+
+ /* wait for recognizer channel creation */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "WAITING FOR CHAN CREATE\n");
+ if(openmrcp_session_wait_for_event(openmrcp_session, OPENMRCP_EVENT_CHANNEL_CREATE, OPENMRCP_WAIT_TIMEOUT) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Got channel creation event\n");
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "WAITING FOR NONE\n");
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_NONE,200) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "GOT NONE EVENT\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "NEVER GOT NONE EVENT\n");
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Start Recognizer\n");
+ openmrcp_recog_start(mrcp_client_context, openmrcp_session, path);
+
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "never got channel creation event\n");
+ }
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Finished loading grammar\n");
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/*! function to feed audio to the ASR*/
+static switch_status_t mrcprec_asr_feed(switch_asr_handle_t *ah, void *data, unsigned int len, switch_asr_flag_t *flags)
+{
+
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ mrcp_client_t *mrcp_client = mrcprec_module.mrcp_client;
+ mrcp_client_context_t *mrcp_client_context = mrcprec_module.mrcp_client_context;
+ media_frame_t *media_frame;
+ switch_byte_t *buffer;
+
+ /* create new media frame */
+ media_frame = (media_frame_t *) switch_core_alloc(openmrcp_session->pool, sizeof(media_frame_t));
+ if (!media_frame) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "media_frame creation failed\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+
+ /** since *data buffer might get freed by caller (true or false?), allocate a
+ new buffer and copy *data into it **/
+ buffer = (switch_byte_t *) switch_core_alloc(openmrcp_session->pool, sizeof(switch_byte_t)*len);
+ if (!buffer) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not allocate buffer\n");
+ return SWITCH_STATUS_MEMERR;
+ }
+ buffer = memcpy(buffer, data, len);
+
+ media_frame->codec_frame.buffer = buffer;
+ media_frame->codec_frame.size = len;
+ media_frame->type = MEDIA_FRAME_TYPE_AUDIO;
+
+ /* push audio to queue */
+ if (switch_queue_trypush(openmrcp_session->audio_input_queue, (void *) media_frame)) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "could not push audio to queue\n");
+ return SWITCH_STATUS_GENERR;
+ }
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+static switch_status_t mrcprec_asr_pause(switch_asr_handle_t *ah)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "mrcprec_asr_pause called\n");
+
+ return SWITCH_STATUS_SUCCESS;
+
+}
+
+static switch_status_t mrcprec_asr_resume(switch_asr_handle_t *ah)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mrcprec_asr_resume called\n");
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/*! function to unload a grammar to the asr interface */
+static switch_status_t mrcprec_asr_unload_grammar(switch_asr_handle_t *ah, char *grammar)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+/**
+ * Freeswitch calls this whenever the channel is hungup or the
+ * speech detection is stopped via a call to switch_ivr_stop_detect_speech()
+ */
+static switch_status_t mrcprec_asr_close(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "mrcprec_asr_close()\n");
+
+ mrcp_client_t *mrcp_client = mrcprec_module.mrcp_client;
+ mrcp_client_context_t *context = mrcprec_module.mrcp_client_context;
+
+ // TODO!! should we do a switch_pool_clear(switch_memory_pool_t *p) on the pool held
+ // by openmrcp_session?
+
+ // destroy channel
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to DESTROY CHANNEL\n");
+ mrcp_client_context_channel_destroy(context, openmrcp_session->client_session, 1);
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_CHANNEL_DESTROY,10000) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "OPENMRCP_EVENT_CHANNEL_DESTROY received\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "timed out waiting for OPENMRCP_EVENT_CHANNEL_DESTROY\n");
+ }
+
+ // terminate client session
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to TERMINATE SESSION\n");
+ mrcp_client_context_session_terminate(context, openmrcp_session->client_session);
+ if (openmrcp_session_wait_for_event(openmrcp_session,OPENMRCP_EVENT_SESSION_TERMINATE,10000) == MRCP_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "OPENMRCP_EVENT_SESSION_TERMINATE recevied\n");
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "timed out waiting for OPENMRCP_EVENT_SESSION_TERMINATE\n");
+ }
+
+ // destroy client session (NOTE: this sends a BYE to the other side)
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Going to DESTROY SESSION\n");
+ mrcp_client_context_session_destroy(context, openmrcp_session->client_session);
+
+ // destroys the openmrcp_session struct
+ openmrcp_session_destroy(openmrcp_session);
+
+ switch_set_flag(ah, SWITCH_ASR_FLAG_CLOSED);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+/**
+ * Freeswitch calls this method from the speech_thread() thread body method
+ * in switch_ivr_async.c every time a new frame is received by the media bug
+ * attached to the audio channel. If this method returns SWITCH_STATUS_SUCCESS,
+ * then Freeswitch will call mrcprec_asr_get_results() to get the result value.
+ */
+static switch_status_t mrcprec_asr_check_results(switch_asr_handle_t *ah, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+
+ switch_status_t rv = (switch_test_flag(openmrcp_session, FLAG_HAS_TEXT) || switch_test_flag(openmrcp_session, FLAG_BARGE)) ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
+
+ return rv;
+}
+
+/*! This will be called after asr_check_results returns SUCCESS */
+static switch_status_t mrcprec_asr_get_results(switch_asr_handle_t *ah, char **xmlstr, switch_asr_flag_t *flags)
+{
+ openmrcp_session_t *openmrcp_session = (openmrcp_session_t *) ah->private_info;
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "mrcprec_asr_get_results called\n");
+ switch_status_t ret = SWITCH_STATUS_SUCCESS;
+
+ if (switch_test_flag(openmrcp_session, FLAG_BARGE)) {
+ switch_clear_flag_locked(openmrcp_session, FLAG_BARGE);
+ ret = SWITCH_STATUS_BREAK;
+ }
+
+ if (switch_test_flag(openmrcp_session, FLAG_HAS_TEXT)) {
+ /*!
+ we have to extract the XML but stripping off the <?xml version="1.0"?>
+ header. the body looks like:
+
+ Completion-Cause:001 no-match
+ Content-Type: application/nlsml+xml
+ Content-Length: 260
+
+ <?xml version="1.0"?>
+ <result xmlns="http://www.ietf.org/xml/ns/mrcpv2" xmlns:ex="http://www.example.com/example" score="100" grammar="session:request1@form-level.store">
+ <interpretation>
+ <input mode="speech">open a</input>
+ </interpretation>
+ </result>
+ */
+
+ char *marker = "?>"; // FIXME -- lame and brittle way of doing this. use regex or better.
+ char *position = strstr(openmrcp_session->mrcp_message_last_rcvd->body, marker);
+ if (!position) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bad result received from mrcp server: %s", openmrcp_session->mrcp_message_last_rcvd->body);
+ ret = SWITCH_STATUS_FALSE;
+ }
+ else {
+ position += strlen(marker);
+ *xmlstr = strdup(position);
+ }
+
+ // since we are returning our result here, future calls to check_results
+ // should return False
+ switch_clear_flag_locked(openmrcp_session, FLAG_HAS_TEXT);
+ ret = SWITCH_STATUS_SUCCESS;
+ }
+ return ret;
+}
+
+static switch_asr_interface_t mrcprec_asr_interface = {
+ /*.interface_name*/ "mrcprec",
+ /*.asr_open*/ mrcprec_asr_open,
+ /*.asr_load_grammar*/ mrcprec_asr_load_grammar,
+ /*.asr_unload_grammar*/ mrcprec_asr_unload_grammar,
+ /*.asr_close*/ mrcprec_asr_close,
+ /*.asr_feed*/ mrcprec_asr_feed,
+ /*.asr_resume*/ mrcprec_asr_resume,
+ /*.asr_pause*/ mrcprec_asr_pause,
+ /*.asr_check_results*/ mrcprec_asr_check_results,
+ /*.asr_get_results*/ mrcprec_asr_get_results
+};
+
+static switch_loadable_module_interface_t mrcprec_module_interface = {
+ /*.module_name */ modname,
+ /*.endpoint_interface */ NULL,
+ /*.timer_interface */ NULL,
+ /*.dialplan_interface */ NULL,
+ /*.codec_interface */ NULL,
+ /*.application_interface */ NULL,
+ /*.api_interface */ NULL,
+ /*.file_interface */ NULL,
+ /*.speech_interface */ NULL,
+ /*.directory_interface */ NULL,
+ /*.chat_interface */ NULL,
+ /*.say_interface */ NULL,
+ /*.asr_interface */ &mrcprec_asr_interface
+};
+
+
+static switch_status_t mrcp_init()
+{
+ /*!
+ Perform one-time initialization of client library
+ */
+
+ mrcp_mem_pool_t *pool;
+ mrcp_client_event_handler_t *client_event_handler;
+ mrcp_client_t *mrcp_client;
+ mrcp_client_context_t *mrcp_client_context;
+ openmrcp_client_options_t *options;
+
+ pool = mrcp_global_pool_get();
+ options = mrcp_palloc(pool,sizeof(openmrcp_client_options_t));
+ client_event_handler = mrcp_palloc(pool,sizeof(mrcp_client_event_handler_t));
+ set_default_options(options);
+
+ client_event_handler->on_session_initiate = openmrcp_on_session_initiate;
+ client_event_handler->on_session_terminate = openmrcp_on_session_terminate;
+ client_event_handler->on_channel_add = openmrcp_on_channel_add;
+ client_event_handler->on_channel_remove = openmrcp_on_channel_remove;
+ client_event_handler->on_channel_modify = openmrcp_on_channel_modify;
+
+ // create client context, which to must be passed to client engine
+ mrcp_client_context = mrcp_client_context_create(&mrcprec_module,client_event_handler);
+ if(!mrcp_client_context) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mrcp_client_context creation failed\n");
+ return SWITCH_STATUS_GENERR;
+ }
+ mrcprec_module.mrcp_client_context = mrcp_client_context;
+
+ // this basically starts a thread that pulls events from the event queue
+ // and handles them
+ mrcp_client = openmrcp_client_start(options,mrcp_client_context);
+ if(!mrcp_client) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "openmrcp_client_start FAILED\n");
+ mrcp_client_context_destroy(mrcp_client_context);
+ return SWITCH_STATUS_GENERR;
+ }
+
+ mrcprec_module.mrcp_client = mrcp_client;
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_LOAD_FUNCTION(mod_mrcprec_load)
+{
+
+ /* connect my internal structure to the blank pointer passed to me */
+ *module_interface = &mrcprec_module_interface;
+
+ /* initialize openmrcp */
+ mrcp_global_init();
+ mrcp_init();
+
+ /* indicate that the module should continue to be loaded */
+ return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_mrcprec_shutdown)
+{
+ return SWITCH_STATUS_UNLOAD;
+}
1
0
Author: anthm
Date: Thu Aug 9 14:20:58 2007
New Revision: 5581
Modified:
freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
Log:
update
Modified: freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c (original)
+++ freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c Thu Aug 9 14:20:58 2007
@@ -767,6 +767,7 @@
{
if (tech_pvt->iax_session) {
iax_reject(tech_pvt->iax_session, msg->string_arg ? msg->string_arg : "Call Rejected");
+ switch_set_flag(tech_pvt, TFLAG_HANGUP);
}
}
break;
1
0
[commit] r5580 - in freeswitch/trunk/src/mod: endpoints/mod_iax languages/mod_spidermonkey
by Freeswitch SVN 09 Aug '07
by Freeswitch SVN 09 Aug '07
09 Aug '07
Author: anthm
Date: Thu Aug 9 13:57:14 2007
New Revision: 5580
Modified:
freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
freeswitch/trunk/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
Log:
small tweak
Modified: freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c (original)
+++ freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c Thu Aug 9 13:57:14 2007
@@ -763,8 +763,17 @@
assert(tech_pvt != NULL);
switch (msg->message_id) {
+ case SWITCH_MESSAGE_INDICATE_REJECT:
+ {
+ if (tech_pvt->iax_session) {
+ iax_reject(tech_pvt->iax_session, msg->string_arg ? msg->string_arg : "Call Rejected");
+ }
+ }
+ break;
case SWITCH_MESSAGE_INDICATE_ANSWER:
- channel_answer_channel(session);
+ {
+ channel_answer_channel(session);
+ }
break;
default:
break;
Modified: freeswitch/trunk/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
==============================================================================
--- freeswitch/trunk/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c (original)
+++ freeswitch/trunk/src/mod/languages/mod_spidermonkey/mod_spidermonkey.c Thu Aug 9 13:57:14 2007
@@ -1788,9 +1788,9 @@
channel = switch_core_session_get_channel(jss->session);
assert(channel != NULL);
-
- CHANNEL_SANITY_CHECK();
-
+ /* you can execute some apps before you answer */
+ /* CHANNEL_SANITY_CHECK(); */
+
if (argc > 0) {
const switch_application_interface_t *application_interface;
1
0
09 Aug '07
Author: mikej
Date: Wed Aug 8 23:19:07 2007
New Revision: 5579
Modified:
freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
Log:
fix for MODAPP-25.
Modified: freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c (original)
+++ freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c Wed Aug 8 23:19:07 2007
@@ -4451,7 +4451,10 @@
switch_xml_t xml_kvp;
assert(conference != NULL);
- assert(xml_controls != NULL);
+
+ if (!xml_controls) {
+ return status;
+ }
/* parse the controls tree for caller control digit strings */
for (xml_kvp = switch_xml_child(xml_controls, "control"); xml_kvp; xml_kvp = xml_kvp->next) {
1
0
08 Aug '07
Author: anthm
Date: Wed Aug 8 10:37:19 2007
New Revision: 5578
Modified:
freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
Log:
add context option
Modified: freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c (original)
+++ freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c Wed Aug 8 10:37:19 2007
@@ -116,6 +116,7 @@
int configured_spans;
int configured_boost_spans;
char *dialplan;
+ char *context;
switch_hash_t *call_hash;
switch_mutex_t *hash_mutex;
switch_mutex_t *channel_mutex;
@@ -387,6 +388,16 @@
globals.dialplan = strdup(dialplan);
}
+static void set_global_context(char *context)
+{
+ if (globals.context) {
+ free(globals.context);
+ globals.context = NULL;
+ }
+
+ globals.context = strdup(context);
+}
+
static int str2node(char *node)
{
@@ -446,6 +457,7 @@
static void set_global_dialplan(char *dialplan);
+static void set_global_context(char *context);
static int str2node(char *node);
static int str2switch(char *swtype);
static switch_status_t wanpipe_on_init(switch_core_session_t *session);
@@ -1546,7 +1558,7 @@
NULL,
NULL,
(char *)modname,
- NULL,
+ globals.context,
pevent->ring.callednum))) {
switch_channel_set_caller_profile(channel, tech_pvt->caller_profile);
}
@@ -2225,6 +2237,8 @@
globals.dtmf_off = atoi(val);
} else if (!strcmp(var, "dialplan")) {
set_global_dialplan(val);
+ } else if (!strcmp(var, "context")) {
+ set_global_context(val);
} else if (!strcmp(var, "suppress-dtmf-tone")) {
globals.suppress_dtmf_tone = switch_true(val);
} else if (!strcmp(var, "ignore-dtmf-tone")) {
1
0
07 Aug '07
Author: mikej
Date: Mon Aug 6 22:46:55 2007
New Revision: 5577
Modified:
freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
Log:
fix for MODAPP-17, using the +pin on the conference app args, with nothing following the + will now override and not prompt for a pin
Modified: freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c (original)
+++ freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c Mon Aug 6 22:46:55 2007
@@ -4047,7 +4047,7 @@
rl++;
/* if this is not an outbound call, deal with conference pins */
- if (!switch_channel_test_flag(channel, CF_OUTBOUND) && conference->pin) {
+ if (!switch_channel_test_flag(channel, CF_OUTBOUND) && conference->pin && *(conference->pin)) {
char pin_buf[80] = "";
int pin_retries = 3; /* XXX - this should be configurable - i'm too lazy to do it right now... */
int pin_valid = 0;
1
0
[commit] r5576 - in freeswitch/branches/greenlizard/src: . include mod/languages/mod_python
by Freeswitch SVN 07 Aug '07
by Freeswitch SVN 07 Aug '07
07 Aug '07
Author: greenlizard
Date: Mon Aug 6 21:33:15 2007
New Revision: 5576
Modified:
freeswitch/branches/greenlizard/src/include/switch_cpp.h
freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch.py
freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.cpp
freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.h
freeswitch/branches/greenlizard/src/mod/languages/mod_python/mod_python_wrap.cpp
freeswitch/branches/greenlizard/src/switch_cpp.cpp
Log:
1. add collectInput method. 2. modify the dtmf callback handlers to better deal with event inputs, as opposed to dtmf inputs. currently returns a dictionary where one key contains the body, and another contains the headers as a subdictionary.
Modified: freeswitch/branches/greenlizard/src/include/switch_cpp.h
==============================================================================
--- freeswitch/branches/greenlizard/src/include/switch_cpp.h (original)
+++ freeswitch/branches/greenlizard/src/include/switch_cpp.h Mon Aug 6 21:33:15 2007
@@ -158,7 +158,7 @@
*
* The DTMF callback function will be set and persist
* for the life of the session, and be called when a dtmf
- * is pressed by user during playFile(), streamfile(), and
+ * is pressed by user during streamfile(), collectDigits(), and
* certain other methods are executing.
*
*/
@@ -168,6 +168,19 @@
int speak(char *text);
void set_tts_parms(char *tts_name, char *voice_name);
+ /**
+ * For timeout milliseconds, call the dtmf function set previously
+ * by setDTMFCallback whenever a dtmf or event is received
+ */
+ int collectDigits(int timeout);
+
+ /**
+ * Collect up to maxdigits digits worth of digits
+ * and store them in dtmf_buf. In the case of mod_python, the
+ * dtmf_buf parameter is configured to act as a _return_ value,
+ * (see mod_python.i). This does NOT call any callbacks upon
+ * receiving dtmf digits. For that, use collectDigits.
+ */
int getDigits(char *dtmf_buf,
int buflen,
int maxdigits,
Modified: freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch.py
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch.py (original)
+++ freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch.py Mon Aug 6 21:33:15 2007
@@ -118,6 +118,7 @@
def setDTMFCallback(*args): return _freeswitch.CoreSession_setDTMFCallback(*args)
def speak(*args): return _freeswitch.CoreSession_speak(*args)
def set_tts_parms(*args): return _freeswitch.CoreSession_set_tts_parms(*args)
+ def collectDigits(*args): return _freeswitch.CoreSession_collectDigits(*args)
def getDigits(*args): return _freeswitch.CoreSession_getDigits(*args)
def transfer(*args): return _freeswitch.CoreSession_transfer(*args)
def playAndGetDigits(*args): return _freeswitch.CoreSession_playAndGetDigits(*args)
Modified: freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.cpp
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.cpp (original)
+++ freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.cpp Mon Aug 6 21:33:15 2007
@@ -105,10 +105,12 @@
}
switch_status_t PySession::run_dtmf_callback(void *input,
- switch_input_type_t itype) {
+ switch_input_type_t itype) {
PyObject *func, *arglist;
PyObject *pyresult;
+ PyObject* headerdict;
+
char *resultStr;
char *funcargs;
switch_file_handle_t *fh = NULL;
@@ -137,7 +139,47 @@
funcargs = (char *) cb_state.funcargs;
- arglist = Py_BuildValue("(sis)", input, itype, funcargs);
+ if (itype == SWITCH_INPUT_TYPE_DTMF) {
+
+ arglist = Py_BuildValue("(sis)", input, itype, funcargs);
+ }
+ else if (itype == SWITCH_INPUT_TYPE_EVENT) {
+ // DUNNO if this is correct in the case we have an event
+ // will be of type switch_event_t *event;
+ // http://www.freeswitch.org/docs/structswitch__event.html
+ switch_event_t *event = (switch_event_t *) input;
+ arglist = Py_BuildValue("({s:s}is)",
+ "body", event->body,
+ itype,
+ funcargs);
+
+ // build a dictionary with all the headers
+
+ switch_event_header_t *hp;
+ headerdict = PyDict_New();
+ for (hp = event->headers; hp; hp = hp->next) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Adding event header to result");
+ PyDict_SetItem(headerdict,
+ Py_BuildValue("s", hp->name),
+ Py_BuildValue("s", hp->value));
+
+ }
+
+ // add it to the main event dictionary (first arg in list)
+ // under key 'headers'
+ PyObject *dict = PyTuple_GetItem(arglist, 0);
+ PyDict_SetItemString(dict,
+ "headers",
+ headerdict);
+
+ //arglist = Py_BuildValue("(sis)", event->body, itype, funcargs);
+ }
+ else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown input type: %d\n", itype);
+ return SWITCH_STATUS_FALSE;
+ }
+
+
if (!arglist) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "error building arglist");
return SWITCH_STATUS_FALSE;
@@ -150,13 +192,15 @@
Py_XDECREF(arglist); // Trash arglist
+ Py_XDECREF(headerdict);
+
if (pyresult && pyresult != Py_None) {
resultStr = (char *) PyString_AsString(pyresult);
switch_status_t cbresult = process_callback_result(resultStr, &cb_state, session);
return cbresult;
}
else {
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error calling python callback\n");
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Python callback\n returned None");
PyErr_Print();
PyErr_Clear();
}
Modified: freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.h
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.h (original)
+++ freeswitch/branches/greenlizard/src/mod/languages/mod_python/freeswitch_python.h Mon Aug 6 21:33:15 2007
@@ -40,8 +40,19 @@
bool begin_allow_threads();
bool end_allow_threads();
+ /**
+ * Run DTMF callback
+ *
+ * A static method in CoreSession is the first thing called
+ * upon receving a dtmf/event callback from fs engine, and then
+ * it gets the PySession instance and calls this method with
+ * dtmf/event object.
+ *
+ * @param input - a dtmf char buffer, or an event 'object' (not sure..)
+ * @param itype - a SWITCH_INPUT_TYPE_DTMF or a SWITCH_INPUT_TYPE_EVENT
+ */
switch_status_t run_dtmf_callback(void *input,
- switch_input_type_t itype);
+ switch_input_type_t itype);
};
Modified: freeswitch/branches/greenlizard/src/mod/languages/mod_python/mod_python_wrap.cpp
==============================================================================
--- freeswitch/branches/greenlizard/src/mod/languages/mod_python/mod_python_wrap.cpp (original)
+++ freeswitch/branches/greenlizard/src/mod/languages/mod_python/mod_python_wrap.cpp Mon Aug 6 21:33:15 2007
@@ -4080,6 +4080,37 @@
}
+SWIGINTERN PyObject *_wrap_CoreSession_collectDigits(PyObject *SWIGUNUSEDPARM(self), PyObject *args) {
+ PyObject *resultobj = 0;
+ CoreSession *arg1 = (CoreSession *) 0 ;
+ int arg2 ;
+ int result;
+ void *argp1 = 0 ;
+ int res1 = 0 ;
+ int val2 ;
+ int ecode2 = 0 ;
+ PyObject * obj0 = 0 ;
+ PyObject * obj1 = 0 ;
+
+ if (!PyArg_ParseTuple(args,(char *)"OO:CoreSession_collectDigits",&obj0,&obj1)) SWIG_fail;
+ res1 = SWIG_ConvertPtr(obj0, &argp1,SWIGTYPE_p_CoreSession, 0 | 0 );
+ if (!SWIG_IsOK(res1)) {
+ SWIG_exception_fail(SWIG_ArgError(res1), "in method '" "CoreSession_collectDigits" "', argument " "1"" of type '" "CoreSession *""'");
+ }
+ arg1 = reinterpret_cast< CoreSession * >(argp1);
+ ecode2 = SWIG_AsVal_int(obj1, &val2);
+ if (!SWIG_IsOK(ecode2)) {
+ SWIG_exception_fail(SWIG_ArgError(ecode2), "in method '" "CoreSession_collectDigits" "', argument " "2"" of type '" "int""'");
+ }
+ arg2 = static_cast< int >(val2);
+ result = (int)(arg1)->collectDigits(arg2);
+ resultobj = SWIG_From_int(static_cast< int >(result));
+ return resultobj;
+fail:
+ return NULL;
+}
+
+
SWIGINTERN PyObject *_wrap_CoreSession_getDigits(PyObject *SWIGUNUSEDPARM(self), PyObject *args) {
PyObject *resultobj = 0;
CoreSession *arg1 = (CoreSession *) 0 ;
@@ -5228,6 +5259,7 @@
{ (char *)"CoreSession_setDTMFCallback", _wrap_CoreSession_setDTMFCallback, METH_VARARGS, NULL},
{ (char *)"CoreSession_speak", _wrap_CoreSession_speak, METH_VARARGS, NULL},
{ (char *)"CoreSession_set_tts_parms", _wrap_CoreSession_set_tts_parms, METH_VARARGS, NULL},
+ { (char *)"CoreSession_collectDigits", _wrap_CoreSession_collectDigits, METH_VARARGS, NULL},
{ (char *)"CoreSession_getDigits", _wrap_CoreSession_getDigits, METH_VARARGS, NULL},
{ (char *)"CoreSession_transfer", _wrap_CoreSession_transfer, METH_VARARGS, NULL},
{ (char *)"CoreSession_playAndGetDigits", _wrap_CoreSession_playAndGetDigits, METH_VARARGS, NULL},
Modified: freeswitch/branches/greenlizard/src/switch_cpp.cpp
==============================================================================
--- freeswitch/branches/greenlizard/src/switch_cpp.cpp (original)
+++ freeswitch/branches/greenlizard/src/switch_cpp.cpp Mon Aug 6 21:33:15 2007
@@ -92,7 +92,7 @@
const switch_application_interface_t *application_interface;
sanity_check_noreturn;
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CoreSession::execute. data:%s\n", data);
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "CoreSession::execute. app: %s data:%s\n", app, data);
if ((application_interface = switch_loadable_module_get_application_interface(app))) {
begin_allow_threads();
switch_core_session_exec(session, application_interface, data);
@@ -158,6 +158,15 @@
voice_name = strdup(voice_name_p);
}
+
+
+int CoreSession::collectDigits(int timeout) {
+ sanity_check(-1);
+ begin_allow_threads();
+ switch_ivr_collect_digits_callback(session, ap, timeout);
+ end_allow_threads();
+}
+
int CoreSession::getDigits(char *dtmf_buf,
int buflen,
int maxdigits,
@@ -214,7 +223,8 @@
terminators,
audio_files,
bad_input_audio_files,
- dtmf_buf, 128,
+ dtmf_buf,
+ 128,
digits_regex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "playAndGetDigits dtmf_buf: %s\n", dtmf_buf);
@@ -522,7 +532,7 @@
CoreSession *coresession = NULL;
switch_status_t result;
- switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "dtmf_callback called\n");
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "dtmf_callback called\n");
fflush(stdout);
channel = switch_core_session_get_channel(session_cb);
1
0