asterisk/rest-api-templates/res_stasis_http_resource.c.mustache

{{#api_declaration}}
/*
 * Asterisk -- An open source telephony toolkit.
 *
 * {{{copyright}}}
 *
 * {{{author}}}
{{! Template Copyright
 * Copyright (C) 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.
 */

{{! Template for rendering the res_ module for an HTTP resource. }}
/*
{{> do-not-edit}}
 * This file is generated by a mustache template. Please see the original
 * template in rest-api-templates/res_stasis_http_resource.c.mustache
 */

/*! \file
 *
 * \brief {{{description}}}
 *
 * \author {{{author}}}
 */

/*** MODULEINFO
	<depend type="module">res_stasis_http</depend>
	<depend type="module">res_stasis</depend>
	<support_level>core</support_level>
 ***/

#include "asterisk.h"

ASTERISK_FILE_VERSION(__FILE__, "$Revision$")

#include "asterisk/module.h"
#include "asterisk/stasis_app.h"
#include "stasis_http/resource_{{name}}.h"
#if defined(AST_DEVMODE)
#include "stasis_http/ari_model_validators.h"
#endif

{{#apis}}
{{#operations}}
{{#is_req}}
/*!
 * \brief Parameter parsing callback for {{path}}.
 * \param get_params GET parameters in the HTTP request.
 * \param path_vars Path variables extracted from the request.
 * \param headers HTTP headers.
 * \param[out] response Response to the HTTP request.
 */
static void stasis_http_{{c_nickname}}_cb(
	struct ast_variable *get_params, struct ast_variable *path_vars,
	struct ast_variable *headers, struct stasis_http_response *response)
{
#if defined(AST_DEVMODE)
	int is_valid;
	int code;
#endif /* AST_DEVMODE */

{{> param_parsing}}
	stasis_http_{{c_nickname}}(headers, &args, response);
#if defined(AST_DEVMODE)
	code = response->response_code;

	switch (code) {
	case 500: /* Internal server error */
{{#error_responses}}
	case {{code}}: /* {{{reason}}} */
{{/error_responses}}
		is_valid = 1;
		break;
	default:
		if (200 <= code && code <= 299) {
{{#response_class}}
{{#is_list}}
			is_valid = ari_validate_list(response->message,
				ari_validate_{{c_singular_name}}_fn());
{{/is_list}}
{{^is_list}}
			is_valid = ari_validate_{{c_name}}(
				response->message);
{{/is_list}}
{{/response_class}}
		} else {
			ast_log(LOG_ERROR, "Invalid error response %d for {{path}}\n", code);
			is_valid = 0;
		}
	}

	if (!is_valid) {
		ast_log(LOG_ERROR, "Response validation failed for {{path}}\n");
		stasis_http_response_error(response, 500,
			"Internal Server Error", "Response validation failed");
	}
#endif /* AST_DEVMODE */
}
{{/is_req}}
{{#is_websocket}}
static void stasis_http_{{c_nickname}}_ws_cb(struct ast_websocket *ws_session,
	struct ast_variable *get_params, struct ast_variable *headers)
{
	RAII_VAR(struct ast_websocket *, s, ws_session, ast_websocket_unref);
	RAII_VAR(struct ari_websocket_session *, session, NULL, ao2_cleanup);
{{#has_path_parameters}}
	/* TODO: It's not immediately obvious how to pass path params through
	 * the websocket code to this callback. Not needed right now, so we'll
	 * just punt. */
	struct ast_variable *path_vars = NULL;
{{/has_path_parameters}}
{{> param_parsing}}
#if defined(AST_DEVMODE)
	session = ari_websocket_session_create(ws_session,
		ari_validate_{{response_class.c_name}}_fn());
#else
	session = ari_websocket_session_create(ws_session, NULL);
#endif
	if (!session) {
		ast_log(LOG_ERROR, "Failed to create ARI session\n");
		return;
	}
	ari_websocket_{{c_nickname}}(session, headers, &args);
}
{{/is_websocket}}
{{/operations}}
{{/apis}}

{{! The rest_handler partial expands to the tree of stasis_rest_handlers }}
{{#root_path}}
{{> rest_handler}}
{{/root_path}}

static int load_module(void)
{
	int res = 0;
{{#apis}}
{{#has_websocket}}
	{{full_name}}.ws_server = ast_websocket_server_create();
	if (!{{full_name}}.ws_server) {
		return AST_MODULE_LOAD_FAILURE;
	}
{{/has_websocket}}
{{#operations}}
{{#is_websocket}}
	res |= ast_websocket_server_add_protocol({{full_name}}.ws_server,
		"{{websocket_protocol}}", stasis_http_{{c_nickname}}_ws_cb);
{{/is_websocket}}
{{/operations}}
{{/apis}}
	stasis_app_ref();
	res |= stasis_http_add_handler(&{{root_full_name}});
	return res;
}

static int unload_module(void)
{
	stasis_http_remove_handler(&{{root_full_name}});
{{#apis}}
{{#has_websocket}}
	ao2_cleanup({{full_name}}.ws_server);
	{{full_name}}.ws_server = NULL;
{{/has_websocket}}
{{/apis}}
	stasis_app_unref();
	return 0;
}

AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "RESTful API module - {{{description}}}",
	.load = load_module,
	.unload = unload_module,
	.nonoptreq = "res_stasis_http,res_stasis",
	);
{{/api_declaration}}