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/*
* Copyright (C) 2018 "IoT.bzh"
* Author Jonathan Aillet <jonathan.aillet@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
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "../4a-hal-utilities/4a-hal-utilities-verbs-loader.h"
#include "4a-hal-controllers-mixer-handler.h"
#include "4a-hal-controllers-cb.h"
/*******************************************************************************
* HAL controllers handle mixer response function *
******************************************************************************/
int HalCtlsHandleMixerAttachResponse(AFB_ReqT request, struct CtlHalStreamsDataT *currentHalStreamsData, json_object *mixerResponseJ)
{
int err = 0;
unsigned int idx;
char *currentStreamName, *currentStreamCardId;
AFB_ApiT apiHandle;
struct HalUtlApiVerb *CtlHalDynApiStreamVerbs;
json_object *currentStreamJ;
apiHandle = (AFB_ApiT) afb_request_get_dynapi(request);
if(! apiHandle) {
AFB_ReqWarning(request, "%s: Can't get current hal api handle", __func__);
return -1;
}
switch(json_object_get_type(mixerResponseJ)) {
case json_type_object:
currentHalStreamsData->count = 1;
break;
case json_type_array:
currentHalStreamsData->count = json_object_array_length(mixerResponseJ);
break;
default:
currentHalStreamsData->count = 0;
AFB_ReqWarning(request, "%s: no streams returned", __func__);
return -2;
}
currentHalStreamsData->data = (struct CtlHalStreamData *) calloc(currentHalStreamsData->count, sizeof(struct CtlHalStreamData));
CtlHalDynApiStreamVerbs = alloca((currentHalStreamsData->count + 1) * sizeof(struct HalUtlApiVerb));
memset(CtlHalDynApiStreamVerbs, '\0', (currentHalStreamsData->count + 1) * sizeof(struct HalUtlApiVerb));
CtlHalDynApiStreamVerbs[currentHalStreamsData->count].verb = NULL;
for(idx = 0; idx < currentHalStreamsData->count; idx++) {
if(currentHalStreamsData->count > 1)
currentStreamJ = json_object_array_get_idx(mixerResponseJ, (int) idx);
else
currentStreamJ = mixerResponseJ;
if(wrap_json_unpack(currentStreamJ, "{s:s}", "uid", ¤tStreamName)) {
AFB_ReqWarning(request, "%s: can't find name in current stream object", __func__);
err -= 10;
}
else if(wrap_json_unpack(currentStreamJ, "{s:s}", "alsa", ¤tStreamCardId)) {
AFB_ReqWarning(request, "%s: can't find card id in current stream object", __func__);
err -= 1000;
}
else {
currentHalStreamsData->data[idx].name = strdup(currentStreamName);
currentHalStreamsData->data[idx].streamCardId = strdup(currentStreamCardId);
CtlHalDynApiStreamVerbs[idx].verb = currentStreamName;
CtlHalDynApiStreamVerbs[idx].callback = HalCtlsActionOnStream;
CtlHalDynApiStreamVerbs[idx].info = "Peform action on this stream";
}
}
if(HalUtlLoadVerbs(apiHandle, CtlHalDynApiStreamVerbs)) {
AFB_ReqWarning(request, "%s: error while creating verbs for streams", __func__);
err -= 100000;
}
return err;
}
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