542 lines
16 KiB
C
542 lines
16 KiB
C
/*
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* mod_html5 for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2011-2012, Barracuda Networks Inc.
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mod_html5 for FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is Barracuda Networks Inc.
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthm@freeswitch.org>
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* Michael Jerris <mike@jerris.com>
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*
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* mod_html5.c -- HTML5 Endpoint Module
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*
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*/
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#include <switch.h>
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#define HTML5_EVENT_CUSTOM "html5::custom"
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struct html5_profile {
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char *name; /* < Profile name */
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switch_memory_pool_t *pool; /* < Memory pool */
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switch_thread_rwlock_t *rwlock; /* < Rwlock for reference counting */
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uint32_t flags; /* < PFLAGS */
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switch_mutex_t *mutex; /* < Mutex for call count */
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int calls; /* < Active calls count */
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int clients; /* < Number of connected clients */
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switch_hash_t *session_hash; /* < Active rtmp sessions */
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switch_thread_rwlock_t *session_rwlock; /* < rwlock for session hashtable */
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const char *context; /* < Default dialplan name */
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const char *dialplan; /* < Default dialplan context */
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const char *bind_address; /* < Bind address */
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const char *io_name; /* < Name of I/O module (from config) */
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int chunksize; /* < Override default chunksize (from config) */
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int buffer_len; /* < Receive buffer length the flash clients should use */
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switch_hash_t *reg_hash; /* < Registration hashtable */
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switch_thread_rwlock_t *reg_rwlock; /* < Registration hash rwlock */
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switch_bool_t auth_calls; /* < Require authentiation */
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};
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typedef struct html5_profile html5_profile_t;
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struct html5_private {
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unsigned int flags;
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switch_codec_t read_codec;
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switch_codec_t write_codec;
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switch_frame_t read_frame;
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unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE]; /* < Buffer for read_frame */
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switch_caller_profile_t *caller_profile;
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switch_mutex_t *mutex;
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switch_mutex_t *flag_mutex;
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switch_core_session_t *session;
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switch_channel_t *channel;
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};
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typedef struct html5_private html5_private_t;
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switch_status_t html5_on_execute(switch_core_session_t *session);
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switch_status_t html5_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf);
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switch_status_t html5_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg);
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switch_status_t html5_receive_event(switch_core_session_t *session, switch_event_t *event);
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switch_status_t html5_on_init(switch_core_session_t *session);
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switch_status_t html5_on_hangup(switch_core_session_t *session);
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switch_status_t html5_on_destroy(switch_core_session_t *session);
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switch_status_t html5_on_routing(switch_core_session_t *session);
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switch_status_t html5_on_exchange_media(switch_core_session_t *session);
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switch_status_t html5_on_soft_execute(switch_core_session_t *session);
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switch_call_cause_t html5_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
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switch_caller_profile_t *outbound_profile,
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switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags,
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switch_call_cause_t *cancel_cause);
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switch_status_t html5_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
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switch_status_t html5_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
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switch_status_t html5_kill_channel(switch_core_session_t *session, int sig);
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SWITCH_MODULE_LOAD_FUNCTION(mod_html5_load);
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SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_html5_shutdown);
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SWITCH_MODULE_DEFINITION(mod_html5, mod_html5_load, mod_html5_shutdown, NULL);
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switch_state_handler_table_t html5_state_handlers = {
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/*.on_init */ html5_on_init,
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/*.on_routing */ html5_on_routing,
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/*.on_execute */ html5_on_execute,
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/*.on_hangup */ html5_on_hangup,
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/*.on_exchange_media */ html5_on_exchange_media,
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/*.on_soft_execute */ html5_on_soft_execute,
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/*.on_consume_media */ NULL,
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/*.on_hibernate */ NULL,
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/*.on_reset */ NULL,
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/*.on_park */ NULL,
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/*.on_reporting */ NULL,
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/*.on_destroy */ html5_on_destroy
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};
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switch_io_routines_t html5_io_routines = {
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/*.outgoing_channel */ html5_outgoing_channel,
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/*.read_frame */ html5_read_frame,
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/*.write_frame */ html5_write_frame,
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/*.kill_channel */ html5_kill_channel,
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/*.send_dtmf */ html5_send_dtmf,
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/*.receive_message */ html5_receive_message,
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/*.receive_event */ html5_receive_event
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};
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/*
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State methods they get called when the state changes to the specific state
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returning SWITCH_STATUS_SUCCESS tells the core to execute the standard state method next
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so if you fully implement the state you can return SWITCH_STATUS_FALSE to skip it.
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*/
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switch_status_t html5_on_init(switch_core_session_t *session)
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{
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switch_channel_t *channel;
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html5_private_t *tech_pvt = NULL;
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_routing(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL ROUTING\n", switch_channel_get_name(channel));
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_execute(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "%s CHANNEL EXECUTE\n", switch_channel_get_name(channel));
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_destroy(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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if (tech_pvt == NULL) {
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return SWITCH_STATUS_SUCCESS;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_hangup(switch_core_session_t *session)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_kill_channel(switch_core_session_t *session, int sig)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch (sig) {
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case SWITCH_SIG_KILL:
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break;
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case SWITCH_SIG_BREAK:
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break;
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default:
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break;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_exchange_media(switch_core_session_t *session)
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{
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "CHANNEL LOOPBACK\n");
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_on_soft_execute(switch_core_session_t *session)
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{
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switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "CHANNEL TRANSMIT\n");
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
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{
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html5_private_t *tech_pvt = switch_core_session_get_private(session);
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switch_assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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// *frame = &tech_pvt->read_frame;
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
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{
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switch_channel_t *channel = NULL;
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html5_private_t *tech_pvt = NULL;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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switch_status_t html5_receive_message(switch_core_session_t *session, switch_core_session_message_t *msg)
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{
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switch_channel_t *channel;
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html5_private_t *tech_pvt;
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channel = switch_core_session_get_channel(session);
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assert(channel != NULL);
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tech_pvt = (html5_private_t *) switch_core_session_get_private(session);
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assert(tech_pvt != NULL);
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switch (msg->message_id) {
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case SWITCH_MESSAGE_INDICATE_ANSWER:
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switch_channel_mark_answered(channel);
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break;
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case SWITCH_MESSAGE_INDICATE_RINGING:
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switch_channel_mark_ring_ready(channel);
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break;
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case SWITCH_MESSAGE_INDICATE_PROGRESS:
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switch_channel_mark_pre_answered(channel);
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break;
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case SWITCH_MESSAGE_INDICATE_HOLD:
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case SWITCH_MESSAGE_INDICATE_UNHOLD:
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break;
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case SWITCH_MESSAGE_INDICATE_DISPLAY:
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break;
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default:
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break;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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/* Make sure when you have 2 sessions in the same scope that you pass the appropriate one to the routines
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that allocate memory or you will have 1 channel with memory allocated from another channel's pool!
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*/
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switch_call_cause_t html5_outgoing_channel(switch_core_session_t *session, switch_event_t *var_event,
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switch_caller_profile_t *outbound_profile,
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switch_core_session_t **newsession, switch_memory_pool_t **inpool, switch_originate_flag_t flags,
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switch_call_cause_t *cancel_cause)
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{
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// html5_private_t *tech_pvt;
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// switch_caller_profile_t *caller_profile;
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// switch_channel_t *channel;
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switch_call_cause_t cause = SWITCH_CAUSE_DESTINATION_OUT_OF_ORDER;
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return cause;
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}
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switch_status_t html5_receive_event(switch_core_session_t *session, switch_event_t *event)
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{
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html5_private_t *tech_pvt = switch_core_session_get_private(session);
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switch_assert(tech_pvt != NULL);
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return SWITCH_STATUS_SUCCESS;
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}
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#if 0
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static switch_xml_config_item_t *get_instructions(html5_profile_t *profile) {
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switch_xml_config_item_t *dup;
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switch_xml_config_item_t instructions[] = {
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/* parameter name type reloadable pointer default value options structure */
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SWITCH_CONFIG_ITEM("context", SWITCH_CONFIG_STRING, CONFIG_RELOADABLE, &profile->context, "public", &switch_config_string_strdup,
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"", "The dialplan context to use for inbound calls"),
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SWITCH_CONFIG_ITEM("dialplan", SWITCH_CONFIG_STRING, CONFIG_RELOADABLE, &profile->dialplan, "XML", &switch_config_string_strdup,
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"", "The dialplan to use for inbound calls"),
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SWITCH_CONFIG_ITEM("bind-address", SWITCH_CONFIG_STRING, 0, &profile->bind_address, "0.0.0.0:1935", &switch_config_string_strdup,
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"ip:port", "IP and port to bind"),
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SWITCH_CONFIG_ITEM("auth-calls", SWITCH_CONFIG_BOOL, CONFIG_RELOADABLE, &profile->auth_calls, SWITCH_FALSE, NULL, "true|false", "Set to true in order to reject unauthenticated calls"),
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SWITCH_CONFIG_ITEM_END()
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};
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dup = malloc(sizeof(instructions));
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memcpy(dup, instructions, sizeof(instructions));
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return dup;
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}
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static switch_status_t config_profile(html5_profile_t *profile, switch_bool_t reload)
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{
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switch_xml_t cfg, xml, x_profiles, x_profile, x_settings;
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switch_status_t status = SWITCH_STATUS_FALSE;
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switch_xml_config_item_t *instructions = (profile ? get_instructions(profile) : NULL);
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switch_event_t *event = NULL;
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int count;
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const char *file = "html5.conf";
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if (!(xml = switch_xml_open_cfg(file, &cfg, NULL))) {
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switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not open %s\n", file);
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goto done;
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}
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if (!(x_profiles = switch_xml_child(cfg, "profiles"))) {
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goto done;
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}
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for (x_profile = switch_xml_child(x_profiles, "profile"); x_profile; x_profile = x_profile->next) {
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const char *name = switch_xml_attr_soft(x_profile, "name");
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if (strcmp(name, profile->name)) {
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continue;
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}
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if (!(x_settings = switch_xml_child(x_profile, "settings"))) {
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goto done;
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}
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count = switch_event_import_xml(switch_xml_child(x_settings, "param"), "name", "value", &event);
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status = switch_xml_config_parse_event(event, count, reload, instructions);
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}
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done:
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if (xml) {
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switch_xml_free(xml);
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}
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switch_safe_free(instructions);
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if (event) {
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switch_event_destroy(&event);
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}
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return status;
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}
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#endif
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static void html5_event_handler(switch_event_t *event)
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{
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if (!event) {
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return;
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}
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}
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#define HTML5_CONTACT_FUNCTION_SYNTAX "profile/user@domain[/[!]nickname]"
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SWITCH_STANDARD_API(html5_contact_function)
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{
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int argc;
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char *argv[5];
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char *dup = NULL;
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// char *szprofile = NULL, *user = NULL;
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// const char *nickname = NULL;
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if (zstr(cmd)) {
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goto usage;
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}
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dup = strdup(cmd);
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argc = switch_split(dup, '/', argv);
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if (argc < 2 || zstr(argv[0]) || zstr(argv[1])) {
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goto usage;
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}
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// szprofile = argv[0];
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if (!strchr(argv[1], '@')) {
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goto usage;
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}
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// user = argv[1];
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// nickname = argv[2];
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goto done;
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usage:
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stream->write_function(stream, "Usage: html5_contact "HTML5_CONTACT_FUNCTION_SYNTAX"\n");
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done:
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switch_safe_free(dup);
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return SWITCH_STATUS_SUCCESS;
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}
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#define HTML5_FUNCTION_SYNTAX "profile [profilename] [start | stop | rescan | restart]\nstatus profile [profilename]\nstatus profile [profilename] [reg | sessions]\nsession [session_id] [kill | login [user@domain] | logout [user@domain]]"
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SWITCH_STANDARD_API(html5_function)
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{
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int argc;
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char *argv[10];
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char *dup = NULL;
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if (zstr(cmd)) {
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goto usage;
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}
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dup = strdup(cmd);
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argc = switch_split(dup, ' ', argv);
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if (argc < 1 || zstr(argv[0])) {
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goto usage;
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}
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goto done;
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usage:
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stream->write_function(stream, "-ERR Usage: "HTML5_FUNCTION_SYNTAX"\n");
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done:
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switch_safe_free(dup);
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return SWITCH_STATUS_SUCCESS;
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}
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SWITCH_MODULE_LOAD_FUNCTION(mod_html5_load)
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{
|
|
switch_api_interface_t *api_interface;
|
|
switch_endpoint_interface_t *html5_endpoint_interface;
|
|
|
|
*module_interface = switch_loadable_module_create_module_interface(pool, modname);
|
|
|
|
html5_endpoint_interface = switch_loadable_module_create_interface(*module_interface, SWITCH_ENDPOINT_INTERFACE);
|
|
html5_endpoint_interface->interface_name = "html5";
|
|
html5_endpoint_interface->io_routines = &html5_io_routines;
|
|
html5_endpoint_interface->state_handler = &html5_state_handlers;
|
|
|
|
SWITCH_ADD_API(api_interface, "html5", "html5 management", html5_function, HTML5_FUNCTION_SYNTAX);
|
|
SWITCH_ADD_API(api_interface, "html5_contact", "html5 contact", html5_contact_function, HTML5_CONTACT_FUNCTION_SYNTAX);
|
|
|
|
// switch_console_set_complete("add html5 status");
|
|
|
|
switch_event_bind("mod_html5", SWITCH_EVENT_CUSTOM, HTML5_EVENT_CUSTOM, html5_event_handler, NULL);
|
|
|
|
{
|
|
switch_xml_t cfg, xml, x_profiles, x_profile;
|
|
const char *file = "html5.conf";
|
|
|
|
if (!(xml = switch_xml_open_cfg(file, &cfg, NULL))) {
|
|
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not open %s\n", file);
|
|
goto done;
|
|
}
|
|
|
|
if (!(x_profiles = switch_xml_child(cfg, "profiles"))) {
|
|
goto done;
|
|
}
|
|
|
|
for (x_profile = switch_xml_child(x_profiles, "profile"); x_profile; x_profile = x_profile->next) {
|
|
//const char *name = switch_xml_attr_soft(x_profile, "name");
|
|
//html5_profile_start(name);
|
|
}
|
|
done:
|
|
if (xml) {
|
|
switch_xml_free(xml);
|
|
}
|
|
}
|
|
|
|
return SWITCH_STATUS_SUCCESS;
|
|
}
|
|
|
|
SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_html5_shutdown)
|
|
{
|
|
switch_event_unbind_callback(html5_event_handler);
|
|
|
|
return SWITCH_STATUS_SUCCESS;
|
|
}
|
|
|
|
/* For Emacs:
|
|
* Local Variables:
|
|
* mode:c
|
|
* indent-tabs-mode:t
|
|
* tab-width:4
|
|
* c-basic-offset:4
|
|
* End:
|
|
* For VIM:
|
|
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
|
|
*/
|