resource_events.c

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/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2012 - 2013, Digium, Inc.
 *
 * David M. Lee, II <dlee@digium.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
 
/*! \file
 *
 * \brief /api-docs/events.{format} implementation- WebSocket resource
 *
 * \author David M. Lee, II <dlee@digium.com>
 */
 
/*** MODULEINFO
    <support_level>core</support_level>
 ***/
 
#include "asterisk.h"
 
#include "resource_events.h"
#include "internal.h"
#include "asterisk/stasis_app.h"
#include "asterisk/stasis_app_broadcast.h"
 
void ast_ari_events_user_event(struct ast_variable *headers,
    struct ast_ari_events_user_event_args *args,
    struct ast_ari_response *response)
{
    enum stasis_app_user_event_res res;
    struct ast_json *json_variables = NULL;
 
    if (args->variables) {
        ast_ari_events_user_event_parse_body(args->variables, args);
        json_variables = ast_json_object_get(args->variables, "variables");
    }
 
    if (ast_strlen_zero(args->application)) {
        ast_ari_response_error(response, 400, "Bad Request",
            "Missing parameter application");
        return;
    }
 
    res = stasis_app_user_event(args->application,
        args->event_name,
        args->source, args->source_count,
        json_variables);
 
    switch (res) {
    case STASIS_APP_USER_OK:
        ast_ari_response_no_content(response);
        break;
 
    case STASIS_APP_USER_APP_NOT_FOUND:
        ast_ari_response_error(response, 404, "Not Found",
            "Application not found");
        break;
 
    case STASIS_APP_USER_EVENT_SOURCE_NOT_FOUND:
        ast_ari_response_error(response, 422, "Unprocessable Entity",
            "Event source was not found");
        break;
 
    case STASIS_APP_USER_EVENT_SOURCE_BAD_SCHEME:
        ast_ari_response_error(response, 400, "Bad Request",
            "Invalid event source URI scheme");
        break;
 
    case STASIS_APP_USER_USEREVENT_INVALID:
        ast_ari_response_error(response, 400, "Bad Request",
            "Invalid userevent data");
        break;
 
    case STASIS_APP_USER_INTERNAL_ERROR:
    default:
        ast_ari_response_error(response, 500, "Internal Server Error",
            "Error processing request");
    }
}
 
void ast_ari_events_claim_channel(struct ast_variable *headers,
    struct ast_ari_events_claim_channel_args *args,
    struct ast_ari_response *response)
{
    int res;
 
    if (ast_strlen_zero(args->channel_id)) {
        ast_ari_response_error(response, 400, "Bad Request",
            "channelId parameter is required");
        return;
    }
 
    if (ast_strlen_zero(args->application)) {
        ast_ari_response_error(response, 400, "Bad Request",
            "application parameter is required");
        return;
    }
 
    res = stasis_app_claim_channel(args->channel_id, args->application);
 
    switch (res) {
    case 0:
        /* Success */
        ast_ari_response_no_content(response);
        break;
    case -1:
        /* Channel not found */
        ast_ari_response_error(response, 404, "Not Found",
            "Channel not found or not in broadcast state");
        break;
    case -2:
        /* Already claimed */
        ast_ari_response_error(response, 409, "Conflict",
            "Channel has already been claimed by another application");
        break;
    case AST_OPTIONAL_API_UNAVAILABLE:
        /* Module not loaded */
        ast_ari_response_error(response, 501, "Not Implemented",
            "Broadcast functionality not available (res_stasis_broadcast not loaded)");
        break;
    default:
        ast_ari_response_error(response, 500, "Internal Server Error",
            "Failed to claim channel");
        break;
    }
}