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-rw-r--r--lib/4a-hal-utilities/4a-hal-utilities-hal-streams-handler.c355
1 files changed, 355 insertions, 0 deletions
diff --git a/lib/4a-hal-utilities/4a-hal-utilities-hal-streams-handler.c b/lib/4a-hal-utilities/4a-hal-utilities-hal-streams-handler.c
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index 0000000..ed06b27
--- /dev/null
+++ b/lib/4a-hal-utilities/4a-hal-utilities-hal-streams-handler.c
@@ -0,0 +1,355 @@
+/*
+ * Copyright (C) 2019 "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 <json-c/json.h>
+
+#include <afb/afb-binding.h>
+
+#include <ctl-config.h>
+
+#include "4a-hal-utilities-data.h"
+#include "4a-hal-utilities-hal-streams-handler.h"
+
+/*******************************************************************************
+ * Actions to be call when a stream verb is called *
+ ******************************************************************************/
+
+void HalUtlActionOnMixer(afb_req_t request, enum ActionOnMixerType actionType)
+{
+ int idx, count;
+
+ char *apiToCall, *returnedError = NULL, *returnedInfo = NULL;
+
+ afb_api_t apiHandle;
+ CtlConfigT *ctrlConfig;
+
+ struct HalData *currentHalData;
+ struct InternalHalMixerData *currentMixerData = NULL;
+
+ json_object *requestJson, *responseJ = NULL, *toReturnJ = NULL;
+
+ if(! (apiHandle = afb_req_get_api(request))) {
+ afb_req_fail(request, "api_handle", "Can't get current hal controller api handle");
+ return;
+ }
+
+ if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) {
+ afb_req_fail(request, "hal_controller_config", "Can't get current hal controller config");
+ return;
+ }
+
+ currentHalData = (struct HalData *) getExternalData(ctrlConfig);
+ if(! currentHalData) {
+ afb_req_fail(request, "hal_controller_data", "Can't get current hal controller data");
+ return;
+ }
+
+ if(! (requestJson = afb_req_json(request))) {
+ afb_req_fail(request, "request_json", "Can't get request json");
+ return;
+ }
+
+ if(json_object_is_type(requestJson, json_type_object) && json_object_get_object(requestJson)->count > 0)
+ json_object_object_add(requestJson, "verbose", json_object_new_boolean(1));
+
+ apiToCall = currentHalData->internalHalData->mixerApiName;
+ if(! apiToCall) {
+ afb_req_fail(request, "mixer_api", "Can't get mixer api");
+ return;
+ }
+
+ if(currentHalData->status != HAL_STATUS_READY) {
+ afb_req_fail(request, "hal_not_ready", "Seems that hal is not ready");
+ return;
+ }
+
+ currentMixerData = (struct InternalHalMixerData *) afb_req_get_vcbdata(request);
+ if(! currentMixerData) {
+ afb_req_fail(request, "hal_call_data", "Can't get current call data");
+ return;
+ }
+
+ switch(actionType) {
+ case ACTION_ON_MIXER_STREAM:
+ count = 1;
+ break;
+
+ case ACTION_ON_MIXER_PLAYBACK:
+ case ACTION_ON_MIXER_CAPTURE:
+ case ACTION_ON_MIXER_ALL_STREAM:
+ count = (int) HalUtlGetNumberOfMixerDataInList(&currentMixerData);
+ toReturnJ = json_object_new_object();
+ break;
+
+ default:
+ afb_req_fail(request, "mixer_action_type", "Action type is unknown");
+ return;
+ }
+
+ for(idx = 0; idx < count; idx++) {
+ if(afb_api_call_sync(apiHandle,
+ apiToCall,
+ currentMixerData->verbToCall,
+ json_object_get(requestJson),
+ &responseJ,
+ &returnedError,
+ &returnedInfo)) {
+ if(responseJ)
+ json_object_put(responseJ);
+ if(toReturnJ)
+ json_object_put(toReturnJ);
+ afb_req_fail_f(request,
+ "mixer_call",
+ "Something went wrong during call to verb '%s' of api '%s' with error '%s' and info '%s' (call to mixer %i out of %i)",
+ currentMixerData->verbToCall,
+ apiToCall,
+ returnedError ? returnedError : "not returned",
+ returnedInfo ? returnedInfo : "not returned",
+ idx,
+ count);
+ free(returnedError);
+ free(returnedInfo);
+ return;
+ }
+
+ if(! responseJ) {
+ if(toReturnJ)
+ json_object_put(toReturnJ);
+ afb_req_fail_f(request,
+ "mixer_call",
+ "Seems that %s call to api %s succeed but no response was returned (call to mixer %i out of %i)",
+ currentMixerData->verbToCall,
+ apiToCall,
+ idx,
+ count);
+ free(returnedError);
+ free(returnedInfo);
+ return;
+ }
+
+ // TBD JAI : When mixer events will be available, use them instead of generating events at calls
+ if((actionType == ACTION_ON_MIXER_STREAM ||
+ actionType == ACTION_ON_MIXER_ALL_STREAM) &&
+ ((! currentMixerData->event) ||
+ (afb_event_push(currentMixerData->event, json_object_get(responseJ)) < 0))) {
+ AFB_API_ERROR(apiHandle, "Could not generate an event for stream %s", currentMixerData->verb);
+ }
+
+ switch(actionType) {
+ case ACTION_ON_MIXER_STREAM:
+ toReturnJ = responseJ;
+ break;
+
+ case ACTION_ON_MIXER_PLAYBACK:
+ case ACTION_ON_MIXER_CAPTURE:
+ json_object_object_add(toReturnJ, currentMixerData->verbToCall, responseJ);
+ currentMixerData = currentMixerData->next;
+ break;
+
+ case ACTION_ON_MIXER_ALL_STREAM:
+ json_object_object_add(toReturnJ, currentMixerData->verb, responseJ);
+ currentMixerData = currentMixerData->next;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ switch(actionType) {
+ case ACTION_ON_MIXER_STREAM:
+ afb_req_success_f(request,
+ toReturnJ,
+ "Action %s correctly transferred to %s without any error raised",
+ currentMixerData->verbToCall,
+ apiToCall);
+ break;
+
+ case ACTION_ON_MIXER_PLAYBACK:
+ afb_req_success(request,
+ toReturnJ,
+ "Actions correctly transferred to all playbacks without any error raised");
+ break;
+
+ case ACTION_ON_MIXER_CAPTURE:
+ afb_req_success(request,
+ toReturnJ,
+ "Actions correctly transferred to all captures without any error raised");
+ break;
+
+ case ACTION_ON_MIXER_ALL_STREAM:
+ afb_req_success(request,
+ toReturnJ,
+ "Actions correctly transferred to all streams without any error raised");
+ break;
+
+ default:
+ break;
+ }
+}
+
+void HalUtlActionOnStream(afb_req_t request)
+{
+ HalUtlActionOnMixer(request, ACTION_ON_MIXER_STREAM);
+}
+
+void HalUtlActionOnPlayback(afb_req_t request)
+{
+ HalUtlActionOnMixer(request, ACTION_ON_MIXER_PLAYBACK);
+}
+
+void HalUtlActionOnCapture(afb_req_t request)
+{
+ HalUtlActionOnMixer(request, ACTION_ON_MIXER_CAPTURE);
+}
+
+void HalUtlActionOnAllStream(afb_req_t request)
+{
+ HalUtlActionOnMixer(request, ACTION_ON_MIXER_ALL_STREAM);
+}
+
+/*******************************************************************************
+ * Add stream data and verb function *
+ ******************************************************************************/
+
+struct InternalHalMixerData *HalUtlAddStreamDataAndCreateStreamVerb(afb_api_t apiHandle,
+ char *verb,
+ char *verbToCall,
+ char *streamCardId)
+{
+ json_object *streamAddedEventJ;
+
+ CtlConfigT *ctrlConfig;
+
+ struct HalData *currentHalData;
+ struct InternalHalMixerData *createdStreamData;
+
+ if(! apiHandle || ! verb || ! verbToCall || ! streamCardId)
+ return NULL;
+
+ ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle);
+ if(! ctrlConfig)
+ return NULL;
+
+ currentHalData = (struct HalData *) getExternalData(ctrlConfig);
+ if(! currentHalData ||
+ ! currentHalData->internalHalData)
+ return NULL;
+
+ createdStreamData = HalUtlAddMixerDataToMixerDataList(&currentHalData->internalHalData->streamsData);
+ if(! createdStreamData)
+ return NULL;
+
+ createdStreamData->verb = strdup(verb);
+ createdStreamData->verbToCall = strdup(verbToCall);
+ createdStreamData->streamCardId = strdup(streamCardId);
+
+ if((! createdStreamData->verb) ||
+ (! createdStreamData->verbToCall) ||
+ (! createdStreamData->streamCardId)) {
+ HalUtlRemoveSelectedMixerData(&currentHalData->internalHalData->streamsData, createdStreamData);
+ return NULL;
+ }
+
+ if(! (createdStreamData->event = afb_api_make_event(apiHandle, createdStreamData->verb))) {
+ HalUtlRemoveSelectedMixerData(&currentHalData->internalHalData->streamsData, createdStreamData);
+ return NULL;
+ }
+
+ if(afb_api_add_verb(apiHandle,
+ createdStreamData->verb,
+ "Stream action transferred to mixer",
+ HalUtlActionOnStream,
+ (void *) createdStreamData,
+ NULL,
+ 0,
+ 0)) {
+ AFB_API_ERROR(apiHandle,"Error while creating verb for stream : '%s'", createdStreamData->verb);
+ HalUtlRemoveSelectedMixerData(&currentHalData->internalHalData->streamsData, createdStreamData);
+ return NULL;
+ }
+
+ wrap_json_pack(&streamAddedEventJ,
+ "{s:s, s:s, s:s}",
+ "action", "added",
+ "name", createdStreamData->verb,
+ "cardId", createdStreamData->streamCardId);
+
+ afb_event_push(currentHalData->internalHalData->streamUpdates, streamAddedEventJ);
+
+ return createdStreamData;
+}
+
+int8_t HalUtlRemoveStreamDataAndDeleteStreamVerb(afb_api_t apiHandle,
+ char *verb,
+ char *verbToCall,
+ char *streamCardId)
+{
+ int8_t returnedErr = 0;
+
+ json_object *streamRemovedEventJ;
+
+ CtlConfigT *ctrlConfig;
+
+ struct HalData *currentHalData;
+ struct InternalHalMixerData *toRemoveStreamData;
+
+ if(! apiHandle || ! verb || ! verbToCall || ! streamCardId)
+ return -1;
+
+ ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle);
+ if(! ctrlConfig)
+ return -2;
+
+ currentHalData = (struct HalData *) getExternalData(ctrlConfig);
+ if(! currentHalData ||
+ ! currentHalData->internalHalData)
+ return -3;
+
+ toRemoveStreamData = HalUtlSearchMixerDataByProperties(&currentHalData->internalHalData->streamsData,
+ verb,
+ verbToCall,
+ streamCardId);
+ if(! toRemoveStreamData)
+ return -4;
+
+ wrap_json_pack(&streamRemovedEventJ,
+ "{s:s, s:s, s:s}",
+ "action", "removed",
+ "name", toRemoveStreamData->verb,
+ "cardId", toRemoveStreamData->streamCardId);
+
+ if(afb_api_del_verb(apiHandle, verb, NULL)) {
+ AFB_API_ERROR(apiHandle,"Error while deleting verb for stream : '%s'", verb);
+ json_object_put(streamRemovedEventJ);
+ return -5;
+ }
+
+ returnedErr = HalUtlRemoveSelectedMixerData(&currentHalData->internalHalData->streamsData, toRemoveStreamData);
+ if(returnedErr) {
+ AFB_API_ERROR(apiHandle,"Error %i while removing data for stream : '%s'", returnedErr, verb);
+ json_object_put(streamRemovedEventJ);
+ return -6;
+ }
+
+ afb_event_push(currentHalData->internalHalData->streamUpdates, streamRemovedEventJ);
+
+ return 0;
+} \ No newline at end of file