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450 lines
12 KiB
450 lines
12 KiB
/*
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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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/*
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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* !!!!! DO NOT EDIT !!!!!
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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* This file is generated by a mustache template. Please see the original
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* template in rest-api-templates/res_ari_resource.c.mustache
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*/
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/*! \file
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*
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* \brief Asterisk resources
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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_ari</depend>
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<depend type="module">res_stasis</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/app.h"
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#include "asterisk/module.h"
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#include "asterisk/stasis_app.h"
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#include "ari/resource_asterisk.h"
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#if defined(AST_DEVMODE)
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#include "ari/ari_model_validators.h"
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#endif
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#define MAX_VALS 128
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int ast_ari_asterisk_get_info_parse_body(
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struct ast_json *body,
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struct ast_ari_asterisk_get_info_args *args)
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{
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struct ast_json *field;
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/* Parse query parameters out of it */
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field = ast_json_object_get(body, "only");
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if (field) {
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/* If they were silly enough to both pass in a query param and a
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* JSON body, free up the query value.
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*/
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ast_free(args->only);
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if (ast_json_typeof(field) == AST_JSON_ARRAY) {
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/* Multiple param passed as array */
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size_t i;
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args->only_count = ast_json_array_size(field);
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args->only = ast_malloc(sizeof(*args->only) * args->only_count);
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if (!args->only) {
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return -1;
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}
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for (i = 0; i < args->only_count; ++i) {
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args->only[i] = ast_json_string_get(ast_json_array_get(field, i));
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}
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} else {
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/* Multiple param passed as single value */
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args->only_count = 1;
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args->only = ast_malloc(sizeof(*args->only) * args->only_count);
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if (!args->only) {
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return -1;
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}
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args->only[0] = ast_json_string_get(field);
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}
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}
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return 0;
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}
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/*!
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* \brief Parameter parsing callback for /asterisk/info.
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* \param get_params GET parameters in the HTTP request.
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* \param path_vars Path variables extracted from the request.
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* \param headers HTTP headers.
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* \param[out] response Response to the HTTP request.
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*/
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static void ast_ari_asterisk_get_info_cb(
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struct ast_tcptls_session_instance *ser,
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struct ast_variable *get_params, struct ast_variable *path_vars,
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struct ast_variable *headers, struct ast_ari_response *response)
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{
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struct ast_ari_asterisk_get_info_args args = {};
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struct ast_variable *i;
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RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
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#if defined(AST_DEVMODE)
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int is_valid;
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int code;
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#endif /* AST_DEVMODE */
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for (i = get_params; i; i = i->next) {
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if (strcmp(i->name, "only") == 0) {
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/* Parse comma separated list */
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char *vals[MAX_VALS];
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size_t j;
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args.only_parse = ast_strdup(i->value);
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if (!args.only_parse) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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if (strlen(args.only_parse) == 0) {
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/* ast_app_separate_args can't handle "" */
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args.only_count = 1;
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vals[0] = args.only_parse;
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} else {
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args.only_count = ast_app_separate_args(
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args.only_parse, ',', vals,
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ARRAY_LEN(vals));
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}
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if (args.only_count == 0) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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if (args.only_count >= MAX_VALS) {
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ast_ari_response_error(response, 400,
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"Bad Request",
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"Too many values for only");
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goto fin;
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}
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args.only = ast_malloc(sizeof(*args.only) * args.only_count);
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if (!args.only) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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for (j = 0; j < args.only_count; ++j) {
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args.only[j] = (vals[j]);
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}
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} else
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{}
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}
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/* Look for a JSON request entity */
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body = ast_http_get_json(ser, headers);
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if (!body) {
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switch (errno) {
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case EFBIG:
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ast_ari_response_error(response, 413, "Request Entity Too Large", "Request body too large");
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goto fin;
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case ENOMEM:
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ast_ari_response_error(response, 500, "Internal Server Error", "Error processing request");
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goto fin;
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case EIO:
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ast_ari_response_error(response, 400, "Bad Request", "Error parsing request body");
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goto fin;
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}
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}
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if (ast_ari_asterisk_get_info_parse_body(body, &args)) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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ast_ari_asterisk_get_info(headers, &args, response);
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#if defined(AST_DEVMODE)
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code = response->response_code;
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switch (code) {
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case 0: /* Implementation is still a stub, or the code wasn't set */
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is_valid = response->message == NULL;
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break;
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case 500: /* Internal Server Error */
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case 501: /* Not Implemented */
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is_valid = 1;
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break;
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default:
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if (200 <= code && code <= 299) {
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is_valid = ast_ari_validate_asterisk_info(
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response->message);
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} else {
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ast_log(LOG_ERROR, "Invalid error response %d for /asterisk/info\n", code);
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is_valid = 0;
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}
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}
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if (!is_valid) {
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ast_log(LOG_ERROR, "Response validation failed for /asterisk/info\n");
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ast_ari_response_error(response, 500,
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"Internal Server Error", "Response validation failed");
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}
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#endif /* AST_DEVMODE */
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fin: __attribute__((unused))
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ast_free(args.only_parse);
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ast_free(args.only);
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return;
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}
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int ast_ari_asterisk_get_global_var_parse_body(
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struct ast_json *body,
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struct ast_ari_asterisk_get_global_var_args *args)
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{
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struct ast_json *field;
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/* Parse query parameters out of it */
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field = ast_json_object_get(body, "variable");
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if (field) {
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args->variable = ast_json_string_get(field);
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}
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return 0;
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}
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/*!
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* \brief Parameter parsing callback for /asterisk/variable.
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* \param get_params GET parameters in the HTTP request.
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* \param path_vars Path variables extracted from the request.
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* \param headers HTTP headers.
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* \param[out] response Response to the HTTP request.
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*/
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static void ast_ari_asterisk_get_global_var_cb(
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struct ast_tcptls_session_instance *ser,
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struct ast_variable *get_params, struct ast_variable *path_vars,
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struct ast_variable *headers, struct ast_ari_response *response)
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{
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struct ast_ari_asterisk_get_global_var_args args = {};
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struct ast_variable *i;
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RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
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#if defined(AST_DEVMODE)
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int is_valid;
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int code;
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#endif /* AST_DEVMODE */
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for (i = get_params; i; i = i->next) {
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if (strcmp(i->name, "variable") == 0) {
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args.variable = (i->value);
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} else
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{}
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}
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/* Look for a JSON request entity */
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body = ast_http_get_json(ser, headers);
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if (!body) {
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switch (errno) {
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case EFBIG:
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ast_ari_response_error(response, 413, "Request Entity Too Large", "Request body too large");
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goto fin;
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case ENOMEM:
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ast_ari_response_error(response, 500, "Internal Server Error", "Error processing request");
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goto fin;
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case EIO:
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ast_ari_response_error(response, 400, "Bad Request", "Error parsing request body");
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goto fin;
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}
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}
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if (ast_ari_asterisk_get_global_var_parse_body(body, &args)) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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ast_ari_asterisk_get_global_var(headers, &args, response);
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#if defined(AST_DEVMODE)
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code = response->response_code;
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switch (code) {
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case 0: /* Implementation is still a stub, or the code wasn't set */
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is_valid = response->message == NULL;
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break;
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case 500: /* Internal Server Error */
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case 501: /* Not Implemented */
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case 400: /* Missing variable parameter. */
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is_valid = 1;
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break;
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default:
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if (200 <= code && code <= 299) {
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is_valid = ast_ari_validate_variable(
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response->message);
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} else {
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ast_log(LOG_ERROR, "Invalid error response %d for /asterisk/variable\n", code);
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is_valid = 0;
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}
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}
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if (!is_valid) {
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ast_log(LOG_ERROR, "Response validation failed for /asterisk/variable\n");
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ast_ari_response_error(response, 500,
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"Internal Server Error", "Response validation failed");
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}
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#endif /* AST_DEVMODE */
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fin: __attribute__((unused))
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return;
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}
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int ast_ari_asterisk_set_global_var_parse_body(
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struct ast_json *body,
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struct ast_ari_asterisk_set_global_var_args *args)
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{
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struct ast_json *field;
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/* Parse query parameters out of it */
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field = ast_json_object_get(body, "variable");
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if (field) {
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args->variable = ast_json_string_get(field);
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}
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field = ast_json_object_get(body, "value");
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if (field) {
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args->value = ast_json_string_get(field);
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}
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return 0;
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}
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/*!
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* \brief Parameter parsing callback for /asterisk/variable.
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* \param get_params GET parameters in the HTTP request.
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* \param path_vars Path variables extracted from the request.
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* \param headers HTTP headers.
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* \param[out] response Response to the HTTP request.
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*/
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static void ast_ari_asterisk_set_global_var_cb(
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struct ast_tcptls_session_instance *ser,
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struct ast_variable *get_params, struct ast_variable *path_vars,
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struct ast_variable *headers, struct ast_ari_response *response)
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{
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struct ast_ari_asterisk_set_global_var_args args = {};
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struct ast_variable *i;
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RAII_VAR(struct ast_json *, body, NULL, ast_json_unref);
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#if defined(AST_DEVMODE)
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int is_valid;
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int code;
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#endif /* AST_DEVMODE */
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for (i = get_params; i; i = i->next) {
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if (strcmp(i->name, "variable") == 0) {
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args.variable = (i->value);
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} else
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if (strcmp(i->name, "value") == 0) {
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args.value = (i->value);
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} else
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{}
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}
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/* Look for a JSON request entity */
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body = ast_http_get_json(ser, headers);
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if (!body) {
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switch (errno) {
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case EFBIG:
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ast_ari_response_error(response, 413, "Request Entity Too Large", "Request body too large");
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goto fin;
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case ENOMEM:
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ast_ari_response_error(response, 500, "Internal Server Error", "Error processing request");
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goto fin;
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case EIO:
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ast_ari_response_error(response, 400, "Bad Request", "Error parsing request body");
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goto fin;
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}
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}
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if (ast_ari_asterisk_set_global_var_parse_body(body, &args)) {
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ast_ari_response_alloc_failed(response);
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goto fin;
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}
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ast_ari_asterisk_set_global_var(headers, &args, response);
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#if defined(AST_DEVMODE)
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code = response->response_code;
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switch (code) {
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case 0: /* Implementation is still a stub, or the code wasn't set */
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is_valid = response->message == NULL;
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break;
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case 500: /* Internal Server Error */
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case 501: /* Not Implemented */
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case 400: /* Missing variable parameter. */
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is_valid = 1;
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break;
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default:
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if (200 <= code && code <= 299) {
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is_valid = ast_ari_validate_void(
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response->message);
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} else {
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ast_log(LOG_ERROR, "Invalid error response %d for /asterisk/variable\n", code);
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is_valid = 0;
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}
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}
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if (!is_valid) {
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ast_log(LOG_ERROR, "Response validation failed for /asterisk/variable\n");
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ast_ari_response_error(response, 500,
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"Internal Server Error", "Response validation failed");
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}
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#endif /* AST_DEVMODE */
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fin: __attribute__((unused))
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return;
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}
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/*! \brief REST handler for /api-docs/asterisk.{format} */
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static struct stasis_rest_handlers asterisk_info = {
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.path_segment = "info",
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.callbacks = {
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[AST_HTTP_GET] = ast_ari_asterisk_get_info_cb,
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},
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.num_children = 0,
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.children = { }
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};
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/*! \brief REST handler for /api-docs/asterisk.{format} */
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static struct stasis_rest_handlers asterisk_variable = {
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.path_segment = "variable",
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.callbacks = {
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[AST_HTTP_GET] = ast_ari_asterisk_get_global_var_cb,
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[AST_HTTP_POST] = ast_ari_asterisk_set_global_var_cb,
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},
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.num_children = 0,
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.children = { }
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};
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/*! \brief REST handler for /api-docs/asterisk.{format} */
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static struct stasis_rest_handlers asterisk = {
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.path_segment = "asterisk",
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.callbacks = {
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},
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.num_children = 2,
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.children = { &asterisk_info,&asterisk_variable, }
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};
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static int load_module(void)
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{
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int res = 0;
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stasis_app_ref();
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res |= ast_ari_add_handler(&asterisk);
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return res;
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}
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static int unload_module(void)
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{
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ast_ari_remove_handler(&asterisk);
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stasis_app_unref();
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return 0;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "RESTful API module - Asterisk resources",
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.support_level = AST_MODULE_SUPPORT_CORE,
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.load = load_module,
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.unload = unload_module,
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.nonoptreq = "res_ari,res_stasis",
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);
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