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/*
* Copyright (C) 2016 "IoT.bzh"
* Author Fulup Ar Foll <fulup@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#define _GNU_SOURCE // needed for vasprintf
#include <json-c/json.h>
#include <afb/afb-binding.h>
#include <afb/afb-service-itf.h>
#include <semaphore.h>
#include <string.h>
#include "AudioCommonLib.h"
typedef struct {
int index;
int numid;
} shareHallMap_T;
PUBLIC int cbCheckResponse(struct afb_req request, int iserror, struct json_object *result) {
struct json_object *response, *status, *info;
if (iserror) { // on error proxy information we got from lower layer
if (result) {
if (json_object_object_get_ex(result, "request", &response)) {
json_object_object_get_ex(response, "info", &info);
json_object_object_get_ex(response, "status", &status);
afb_req_fail(request, json_object_get_string(status), json_object_get_string(info));
goto OnErrorExit;
}
} else {
afb_req_fail(request, "cbCheckFail", "No Result inside API response");
}
goto OnErrorExit;
}
return (0);
OnErrorExit:
return (-1);
}
// This function should be part of Generic AGL Framework
PUBLIC json_object* afb_service_call_sync(struct afb_service srvitf, struct afb_req request, char* api, char* verb, struct json_object* queryurl, void *handle) {
json_object* response = NULL;
int status = 0;
sem_t semid;
// Nested procedure are allow in GNU and allow us to keep caller stack valid
void callback(void *handle, int iserror, struct json_object * result) {
// Process Basic Error
if (!cbCheckResponse(request, iserror, result)) {
status = -1;
goto OnExitCB;
}
// Get response from object
json_object_object_get_ex(result, "response", &response);
if (!response) {
afb_req_fail_f(request, "response-notfound", "No Controls return from alsa/getcontrol result=[%s]", json_object_get_string(result));
goto OnExitCB;
}
OnExitCB:
sem_post(&semid);
}
// Create an exclusive semaphore
status = sem_init(&semid, 0, 0);
if (status < 0) {
afb_req_fail_f(request, "error:seminit", "Fail to allocate semaphore err=[%s]", strerror(status));
goto OnExit;
}
// Call service and wait for call back to finish before moving any further
afb_service_call(srvitf, "alsacore", "getctl", queryurl, callback, handle);
sem_wait(&semid);
OnExit:
return (response);
}
PUBLIC void pingtest(struct afb_req request) {
json_object *query = afb_req_json(request);
afb_req_success(request, query, NULL);
}
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