300 lines
8.4 KiB
C
300 lines
8.4 KiB
C
/* -*- C -*-
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2012 - 2013, Digium, Inc.
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*
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* David M. Lee, II <dlee@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Implementation for stasis-http stubs.
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*
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* \author David M. Lee, II <dlee@digium.com>
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*/
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/*** MODULEINFO
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<depend type="module">res_stasis_app_playback</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/stasis_app.h"
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#include "asterisk/stasis_app_playback.h"
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#include "asterisk/stasis_channels.h"
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#include "resource_channels.h"
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#include <limits.h>
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/*!
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* \brief Finds the control object for a channel, filling the response with an
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* error, if appropriate.
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* \param[out] response Response to fill with an error if control is not found.
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* \param channel_id ID of the channel to lookup.
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* \return Channel control object.
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* \return \c NULL if control object does not exist.
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*/
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static struct stasis_app_control *find_control(
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struct stasis_http_response *response,
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const char *channel_id)
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{
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RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
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ast_assert(response != NULL);
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control = stasis_app_control_find_by_channel_id(channel_id);
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if (control == NULL) {
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/* Distinguish between 404 and 409 errors */
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RAII_VAR(struct ast_channel *, chan, NULL, ao2_cleanup);
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chan = ast_channel_get_by_name(channel_id);
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if (chan == NULL) {
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stasis_http_response_error(response, 404, "Not Found",
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"Channel not found");
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return NULL;
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}
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stasis_http_response_error(response, 409, "Conflict",
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"Channel not in Stasis application");
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return NULL;
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}
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ao2_ref(control, +1);
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return control;
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}
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void stasis_http_dial(struct ast_variable *headers, struct ast_dial_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_dial\n");
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}
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void stasis_http_continue_in_dialplan(
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struct ast_variable *headers,
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struct ast_continue_in_dialplan_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
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ast_assert(response != NULL);
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control = find_control(response, args->channel_id);
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if (control == NULL) {
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return;
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}
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stasis_app_control_continue(control);
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stasis_http_response_no_content(response);
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}
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void stasis_http_answer_channel(struct ast_variable *headers,
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struct ast_answer_channel_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
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control = find_control(response, args->channel_id);
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if (control == NULL) {
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return;
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}
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if (stasis_app_control_answer(control) != 0) {
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stasis_http_response_error(
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response, 500, "Internal Server Error",
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"Failed to answer channel");
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return;
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}
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stasis_http_response_no_content(response);
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}
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void stasis_http_mute_channel(struct ast_variable *headers, struct ast_mute_channel_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_mute_channel\n");
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}
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void stasis_http_unmute_channel(struct ast_variable *headers, struct ast_unmute_channel_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_unmute_channel\n");
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}
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void stasis_http_hold_channel(struct ast_variable *headers, struct ast_hold_channel_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_hold_channel\n");
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}
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void stasis_http_unhold_channel(struct ast_variable *headers, struct ast_unhold_channel_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_unhold_channel\n");
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}
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void stasis_http_play_on_channel(struct ast_variable *headers,
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struct ast_play_on_channel_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct stasis_app_control *, control, NULL, ao2_cleanup);
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RAII_VAR(struct ast_channel_snapshot *, snapshot, NULL, ao2_cleanup);
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RAII_VAR(struct stasis_app_playback *, playback, NULL, ao2_cleanup);
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RAII_VAR(char *, playback_url, NULL, ast_free);
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const char *language;
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ast_assert(response != NULL);
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control = find_control(response, args->channel_id);
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if (control == NULL) {
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/* Response filled in by find_control */
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return;
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}
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snapshot = stasis_app_control_get_snapshot(control);
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if (!snapshot) {
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stasis_http_response_error(
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response, 404, "Not Found",
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"Channel not found");
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return;
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}
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language = S_OR(args->lang, snapshot->language);
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playback = stasis_app_control_play_uri(control, args->media, language);
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if (!playback) {
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stasis_http_response_error(
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response, 500, "Internal Server Error",
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"Failed to answer channel");
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return;
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}
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ast_asprintf(&playback_url, "/playback/%s",
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stasis_app_playback_get_id(playback));
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if (!playback_url) {
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stasis_http_response_error(
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response, 500, "Internal Server Error",
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"Out of memory");
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return;
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}
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stasis_http_response_created(response, playback_url);
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}
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void stasis_http_record_channel(struct ast_variable *headers, struct ast_record_channel_args *args, struct stasis_http_response *response)
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{
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ast_log(LOG_ERROR, "TODO: stasis_http_record_channel\n");
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}
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void stasis_http_get_channel(struct ast_variable *headers,
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struct ast_get_channel_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
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struct stasis_caching_topic *caching_topic;
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struct ast_channel_snapshot *snapshot;
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caching_topic = ast_channel_topic_all_cached();
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if (!caching_topic) {
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stasis_http_response_error(
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response, 500, "Internal Server Error",
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"Message bus not initialized");
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return;
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}
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msg = stasis_cache_get(caching_topic, ast_channel_snapshot_type(),
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args->channel_id);
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if (!msg) {
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stasis_http_response_error(
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response, 404, "Not Found",
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"Channel not found");
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return;
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}
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snapshot = stasis_message_data(msg);
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ast_assert(snapshot != NULL);
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stasis_http_response_ok(response,
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ast_channel_snapshot_to_json(snapshot));
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}
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void stasis_http_delete_channel(struct ast_variable *headers,
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struct ast_delete_channel_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct ast_channel *, chan, NULL, ao2_cleanup);
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chan = ast_channel_get_by_name(args->channel_id);
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if (chan == NULL) {
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stasis_http_response_error(
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response, 404, "Not Found",
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"Channel not found");
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return;
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}
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ast_softhangup(chan, AST_SOFTHANGUP_EXPLICIT);
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stasis_http_response_no_content(response);
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}
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void stasis_http_get_channels(struct ast_variable *headers,
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struct ast_get_channels_args *args,
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struct stasis_http_response *response)
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{
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RAII_VAR(struct stasis_caching_topic *, caching_topic, NULL, ao2_cleanup);
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RAII_VAR(struct ao2_container *, snapshots, NULL, ao2_cleanup);
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RAII_VAR(struct ast_json *, json, NULL, ast_json_unref);
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struct ao2_iterator i;
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void *obj;
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caching_topic = ast_channel_topic_all_cached();
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if (!caching_topic) {
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stasis_http_response_error(
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response, 500, "Internal Server Error",
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"Message bus not initialized");
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return;
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}
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ao2_ref(caching_topic, +1);
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snapshots = stasis_cache_dump(caching_topic, ast_channel_snapshot_type());
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if (!snapshots) {
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stasis_http_response_alloc_failed(response);
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return;
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}
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json = ast_json_array_create();
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if (!json) {
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stasis_http_response_alloc_failed(response);
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return;
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}
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i = ao2_iterator_init(snapshots, 0);
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while ((obj = ao2_iterator_next(&i))) {
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RAII_VAR(struct stasis_message *, msg, obj, ao2_cleanup);
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struct ast_channel_snapshot *snapshot = stasis_message_data(msg);
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int r = ast_json_array_append(
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json, ast_channel_snapshot_to_json(snapshot));
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if (r != 0) {
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stasis_http_response_alloc_failed(response);
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return;
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}
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}
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ao2_iterator_destroy(&i);
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stasis_http_response_ok(response, ast_json_ref(json));
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}
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void stasis_http_originate(struct ast_variable *headers,
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struct ast_originate_args *args,
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struct stasis_http_response *response)
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{
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if (args->endpoint) {
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ast_log(LOG_DEBUG, "Dialing specific endpoint %s\n", args->endpoint);
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}
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ast_log(LOG_DEBUG, "Dialing %s@%s\n", args->extension, args->context);
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/* ast_pbx_outgoing_app - originates a channel, putting it into an application */
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}
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