2fb8667908
Add framework to connect to, and read and write protocol based messages from and to an external application using an Asterisk External Application Protocol (AEAP). This has been divided into several abstractions: 1. transport - base communication layer (currently websocket only) 2. message - AEAP description and data (currently JSON only) 3. transaction - links/binds requests and responses 4. aeap - transport, message, and transaction handler/manager This patch also adds an AEAP implementation for speech to text. Existing speech API callbacks for speech to text have been completed making it possible for Asterisk to connect to a configured external translator service and provide audio for STT. Results can also be received from the external translator, and made available as speech results in Asterisk. Unit tests have also been created that test the AEAP framework, and also the speech to text implementation. ASTERISK-29726 #close Change-Id: Iaa4b259f84aa63501e5fd2a6fb107f900b4d4ed2
253 lines
7.3 KiB
C
253 lines
7.3 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2021, Sangoma Technologies Corporation
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*
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* Kevin Harwell <kharwell@sangoma.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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/*** MODULEINFO
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<depend>TEST_FRAMEWORK</depend>
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<depend>res_aeap</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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#include "asterisk/test.h"
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#include "asterisk/module.h"
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#include "asterisk/file.h"
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#include "asterisk/http_websocket.h"
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#include "asterisk/json.h"
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#include "asterisk/res_aeap.h"
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#include "asterisk/res_aeap_message.h"
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#define CATEGORY "/res/aeap/"
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#define ADDR "127.0.0.1:8088"
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#define AEAP_TRANSPORT_TYPE "ws"
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#define AEAP_REMOTE_URL "ws://" ADDR "/ws"
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#define AEAP_REMOTE_PROTOCOL "echo"
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#define AEAP_MESSAGE_ID "foo"
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#define AEAP_CONNECTION_TIMEOUT 2000
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AST_TEST_DEFINE(create_and_connect)
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{
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RAII_VAR(struct ast_aeap *, aeap, NULL, ao2_cleanup);
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->explicit_only = 0;
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info->category = CATEGORY;
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info->summary = "test creating and connecting to an AEAP application";
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info->description = info->summary;
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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ast_test_validate(test, (aeap = ast_aeap_create_and_connect(AEAP_TRANSPORT_TYPE,
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NULL, AEAP_REMOTE_URL, AEAP_REMOTE_PROTOCOL, AEAP_CONNECTION_TIMEOUT)));
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return AST_TEST_PASS;
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}
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static void handle_string(struct ast_aeap *aeap, const char *buf, intmax_t size)
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{
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int *passed = ast_aeap_user_data_object_by_id(aeap, AEAP_MESSAGE_ID);
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if (strstr(buf, AEAP_MESSAGE_ID)) {
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++*passed;
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}
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}
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static void handle_timeout(struct ast_aeap *aeap, struct ast_aeap_message *message, void *data)
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{
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int *passed = ast_aeap_user_data_object_by_id(aeap, AEAP_MESSAGE_ID);
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++*passed;
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}
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AST_TEST_DEFINE(send_msg_handle_string)
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{
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int passed = 0;
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RAII_VAR(struct ast_aeap *, aeap, NULL, ao2_cleanup);
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struct ast_aeap_tsx_params tsx_params = {0};
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struct ast_aeap_params aeap_params = {
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.on_string = handle_string,
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};
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->explicit_only = 0;
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info->category = CATEGORY;
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info->summary = "test an AEAP application string handler";
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info->description = info->summary;
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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tsx_params.timeout = 2000; /* Test will end by timing out */
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tsx_params.on_timeout = handle_timeout;
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tsx_params.wait = 1;
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ast_test_validate(test, (aeap = ast_aeap_create_and_connect(AEAP_TRANSPORT_TYPE,
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&aeap_params, AEAP_REMOTE_URL, AEAP_REMOTE_PROTOCOL, AEAP_CONNECTION_TIMEOUT)));
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ast_test_validate(test, (!ast_aeap_user_data_register(aeap, AEAP_MESSAGE_ID, &passed, NULL)));
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ast_test_validate(test, (tsx_params.msg = ast_aeap_message_create_request(
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ast_aeap_message_type_json, "foo", AEAP_MESSAGE_ID, NULL)));
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ast_test_validate(test, ast_aeap_send_msg_tsx(aeap, &tsx_params)); /* Returns fail on timeout */
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ast_aeap_user_data_unregister(aeap, AEAP_MESSAGE_ID);
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return passed == 2 ? AST_TEST_PASS : AST_TEST_FAIL;
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}
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static int handle_msg(struct ast_aeap *aeap, struct ast_aeap_message *message, void *data)
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{
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int *passed = ast_aeap_user_data_object_by_id(aeap, AEAP_MESSAGE_ID);
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*passed = !strcmp(ast_aeap_message_id(message), AEAP_MESSAGE_ID) &&
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ast_aeap_message_is_named(message, data);
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if (!*passed) {
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ast_log(LOG_ERROR, "Name '%s' did not equal '%s' for message '%s'",
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ast_aeap_message_name(message), (char *)data, ast_aeap_message_id(message));
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}
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return 0;
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}
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static const struct ast_aeap_message_handler handlers[] = {
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{ "foo", handle_msg },
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};
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AST_TEST_DEFINE(send_msg_handle_response)
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{
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int passed = 0;
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RAII_VAR(struct ast_aeap *, aeap, NULL, ao2_cleanup);
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char *name = "foo";
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struct ast_aeap_params aeap_params = {
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.response_handlers = handlers,
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.response_handlers_size = ARRAY_LEN(handlers),
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};
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struct ast_aeap_tsx_params tsx_params = {0};
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->explicit_only = 0;
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info->category = CATEGORY;
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info->summary = "test an AEAP application response handler";
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info->description = info->summary;
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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aeap_params.msg_type = ast_aeap_message_type_json;
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tsx_params.timeout = 2000;
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tsx_params.wait = 1;
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tsx_params.obj = name;
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ast_test_validate(test, (aeap = ast_aeap_create_and_connect(AEAP_TRANSPORT_TYPE,
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&aeap_params, AEAP_REMOTE_URL, AEAP_REMOTE_PROTOCOL, AEAP_CONNECTION_TIMEOUT)));
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ast_test_validate(test, (!ast_aeap_user_data_register(aeap, AEAP_MESSAGE_ID, &passed, NULL)));
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ast_test_validate(test, (tsx_params.msg = ast_aeap_message_create_response(
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ast_aeap_message_type_json, name, AEAP_MESSAGE_ID, NULL)));
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ast_test_validate(test, !ast_aeap_send_msg_tsx(aeap, &tsx_params));
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ast_aeap_user_data_unregister(aeap, AEAP_MESSAGE_ID);
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return passed ? AST_TEST_PASS : AST_TEST_FAIL;
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}
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AST_TEST_DEFINE(send_msg_handle_request)
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{
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int passed = 0;
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RAII_VAR(struct ast_aeap *, aeap, NULL, ao2_cleanup);
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char *name = "foo";
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struct ast_aeap_params aeap_params = {
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.request_handlers = handlers,
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.request_handlers_size = ARRAY_LEN(handlers),
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};
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struct ast_aeap_tsx_params tsx_params = {0};
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switch (cmd) {
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case TEST_INIT:
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info->name = __func__;
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info->explicit_only = 0;
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info->category = CATEGORY;
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info->summary = "test an AEAP application request handler";
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info->description = info->summary;
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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aeap_params.msg_type = ast_aeap_message_type_json;
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tsx_params.timeout = 2000;
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tsx_params.wait = 1;
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tsx_params.obj = name;
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ast_test_validate(test, (aeap = ast_aeap_create_and_connect(AEAP_TRANSPORT_TYPE,
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&aeap_params, AEAP_REMOTE_URL, AEAP_REMOTE_PROTOCOL, AEAP_CONNECTION_TIMEOUT)));
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ast_test_validate(test, (!ast_aeap_user_data_register(aeap, AEAP_MESSAGE_ID, &passed, NULL)));
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ast_test_validate(test, (tsx_params.msg = ast_aeap_message_create_request(
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ast_aeap_message_type_json, name, AEAP_MESSAGE_ID, NULL)));
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ast_test_validate(test, !ast_aeap_send_msg_tsx(aeap, &tsx_params));
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ast_aeap_user_data_unregister(aeap, AEAP_MESSAGE_ID);
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return passed ? AST_TEST_PASS : AST_TEST_FAIL;
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}
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static struct ast_http_server *http_server;
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static int load_module(void)
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{
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if (!(http_server = ast_http_test_server_get("aeap transport http server", NULL))) {
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return AST_MODULE_LOAD_DECLINE;
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}
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AST_TEST_REGISTER(create_and_connect);
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AST_TEST_REGISTER(send_msg_handle_string);
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AST_TEST_REGISTER(send_msg_handle_response);
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AST_TEST_REGISTER(send_msg_handle_request);
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return AST_MODULE_LOAD_SUCCESS;
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}
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static int unload_module(void)
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{
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AST_TEST_UNREGISTER(send_msg_handle_request);
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AST_TEST_UNREGISTER(send_msg_handle_response);
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AST_TEST_UNREGISTER(send_msg_handle_string);
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AST_TEST_UNREGISTER(create_and_connect);
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ast_http_test_server_discard(http_server);
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return 0;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Asterisk External Application Protocol Object Tests",
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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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.requires = "res_aeap",
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);
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