diff options
Diffstat (limited to 'lib/4a-hal-utilities/4a-hal-utilities-data.c')
| -rw-r--r-- | lib/4a-hal-utilities/4a-hal-utilities-data.c | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/lib/4a-hal-utilities/4a-hal-utilities-data.c b/lib/4a-hal-utilities/4a-hal-utilities-data.c new file mode 100644 index 0000000..314190f --- /dev/null +++ b/lib/4a-hal-utilities/4a-hal-utilities-data.c @@ -0,0 +1,344 @@ +/* + * 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 <wrap-json.h> + +#include <afb/afb-binding.h> + +#include "4a-hal-utilities-data.h" +#include "4a-hal-utilities-alsa-data.h" + +/******************************************************************************* + * Internal Hal - Streams data handling functions * + ******************************************************************************/ + +struct InternalHalMixerData *HalUtlAddMixerDataToMixerDataList(struct InternalHalMixerData **mixerDataList) +{ + struct InternalHalMixerData *currentMixerData; + + if(! mixerDataList) + return NULL; + + currentMixerData = *mixerDataList; + if(! currentMixerData) { + currentMixerData = (struct InternalHalMixerData *) calloc(1, sizeof(struct InternalHalMixerData)); + if(! currentMixerData) + return NULL; + + *mixerDataList = currentMixerData; + } + else { + while(currentMixerData->next) + currentMixerData = currentMixerData->next; + + currentMixerData->next = calloc(1, sizeof(struct InternalHalMixerData)); + if(! currentMixerData->next) + return NULL; + + currentMixerData = currentMixerData->next; + } + + return currentMixerData; +} + +int8_t HalUtlRemoveSelectedMixerData(struct InternalHalMixerData **mixerDataList, struct InternalHalMixerData *mixerDataToRemove) +{ + struct InternalHalMixerData *currentMixerData, *matchingMixerData; + + if(! mixerDataList || ! *mixerDataList || ! mixerDataToRemove) + return -1; + + currentMixerData = *mixerDataList; + if(currentMixerData == mixerDataToRemove) { + *mixerDataList = currentMixerData->next; + matchingMixerData = currentMixerData; + } + else { + while(currentMixerData && currentMixerData->next != mixerDataToRemove) + currentMixerData = currentMixerData->next; + + if(currentMixerData) { + matchingMixerData = currentMixerData->next; + currentMixerData->next = currentMixerData->next->next; + } + else { + return -2; + } + } + + free(matchingMixerData->verb); + free(matchingMixerData->verbToCall); + free(matchingMixerData->streamCardId); + + free(matchingMixerData); + + return 0; +} + +int64_t HalUtlRemoveAllMixerData(struct InternalHalMixerData **mixerDataList) +{ + int8_t ret; + int64_t mixerDataRemoved = 0; + + if(! mixerDataList) + return -1; + + while(*mixerDataList) { + ret = HalUtlRemoveSelectedMixerData(mixerDataList, *mixerDataList); + if(ret) + return (int64_t) ret; + + mixerDataRemoved++; + } + + return mixerDataRemoved; +} + +int64_t HalUtlGetNumberOfMixerDataInList(struct InternalHalMixerData **mixerDataList) +{ + int64_t numberOfMixerData = 0; + struct InternalHalMixerData *currentMixerData; + + if(! mixerDataList) + return -1; + + currentMixerData = *mixerDataList; + while(currentMixerData) { + currentMixerData = currentMixerData->next; + numberOfMixerData++; + } + + return numberOfMixerData; +} + +struct InternalHalMixerData *HalUtlSearchMixerDataByProperties(struct InternalHalMixerData **mixerDataList, char *verb, char *verbToCall, char *streamCardId) +{ + struct InternalHalMixerData *currentMixerData; + + if(! mixerDataList || ! verb) + return NULL; + + currentMixerData = *mixerDataList; + + while(currentMixerData) { + if((! strcmp(verb, currentMixerData->verb)) && + (! strcmp(verbToCall, currentMixerData->verbToCall)) && + (! strcmp(streamCardId, currentMixerData->streamCardId))) + return currentMixerData; + + currentMixerData = currentMixerData->next; + } + + return NULL; +} + +/******************************************************************************* + * Hal data handling functions * + ******************************************************************************/ + +struct HalData *HalUtlAddHalToHalList(struct HalData **halDataList) +{ + struct HalData *currentHalData; + + if(! halDataList) + return NULL; + + currentHalData = *halDataList; + if(! currentHalData) { + currentHalData = (struct HalData *) calloc(1, sizeof(struct HalData)); + if(! currentHalData) + return NULL; + + *halDataList = currentHalData; + } + else { + while(currentHalData->next) + currentHalData = currentHalData->next; + + currentHalData->next = calloc(1, sizeof(struct HalData)); + if(! currentHalData->next) + return NULL; + + currentHalData = currentHalData->next; + } + + return currentHalData; +} + +int8_t HalUtlRemoveSelectedHalFromList(struct HalData **halDataList, struct HalData *halToRemove) +{ + struct HalData *currentHalData, *matchingHal; + + if(! halDataList || ! *halDataList || ! halToRemove) + return -1; + + currentHalData = *halDataList; + if(currentHalData == halToRemove) { + *halDataList = currentHalData->next; + matchingHal = currentHalData; + } + else { + while(currentHalData && currentHalData->next != halToRemove) + currentHalData = currentHalData->next; + + if(currentHalData) { + matchingHal = currentHalData->next; + currentHalData->next = currentHalData->next->next; + } + else { + return -2; + } + } + + free(matchingHal->apiName); + free(matchingHal->sndCardPath); + free(matchingHal->info); + free(matchingHal->author); + free(matchingHal->version); + free(matchingHal->date); + + if(matchingHal->internal) { + HalUtlRemoveAllMixerData(&matchingHal->internalHalData->streamsData); + HalUtlRemoveAllMixerData(&matchingHal->internalHalData->playbacksData); + HalUtlRemoveAllMixerData(&matchingHal->internalHalData->capturesData); + + HalUtlFreeAlsaCtlsMap(matchingHal->internalHalData->alsaMapT); + + free(matchingHal->internalHalData); + } + + free(matchingHal); + + return 0; +} + +int64_t HalUtlRemoveAllHalFromList(struct HalData **halDataList) +{ + int8_t ret; + int64_t halRemoved = 0; + + if(! halDataList) + return -1; + + while(*halDataList) { + ret = HalUtlRemoveSelectedHalFromList(halDataList, *halDataList); + if(ret) + return (int64_t) ret; + + halRemoved++; + } + + return halRemoved; +} + +int64_t HalUtlGetNumberOfHalInList(struct HalData **halDataList) +{ + int64_t numberOfHal = 0; + struct HalData *currentHalData; + + if(! halDataList) + return -1; + + currentHalData = *halDataList; + + while(currentHalData) { + currentHalData = currentHalData->next; + numberOfHal++; + } + + return numberOfHal; +} + +struct HalData *HalUtlSearchHalDataByApiName(struct HalData **halDataList, char *apiName) +{ + struct HalData *currentHalData; + + if(! halDataList || ! *halDataList || ! apiName) + return NULL; + + currentHalData = *halDataList; + + while(currentHalData) { + if(! strcmp(apiName, currentHalData->apiName)) + return currentHalData; + + currentHalData = currentHalData->next; + } + + return NULL; +} + +struct HalData *HalUtlSearchReadyHalDataByCardId(struct HalData **halDataList, int cardId) +{ + struct HalData *currentHalData; + + if(! halDataList || ! *halDataList) + return NULL; + + currentHalData = *halDataList; + + while(currentHalData) { + if(currentHalData->status == HAL_STATUS_READY && currentHalData->sndCardId == cardId) + return currentHalData; + + currentHalData = currentHalData->next; + } + + return NULL; +} + +/******************************************************************************* + * Hal Manager data handling functions * + ******************************************************************************/ + +uint8_t HalUtlInitializeHalMgrData(afb_api_t apiHandle, struct HalMgrData *halMgrData, char *apiName, char *info) +{ + if(! apiHandle || ! halMgrData || ! apiName || ! info) + return -1; + + // Allocate and fill apiName and info strings + halMgrData->apiName = strdup(apiName); + if(! halMgrData->apiName) + return -2; + + halMgrData->info = strdup(info); + if(! halMgrData->info) + return -3; + + halMgrData->apiHandle = apiHandle; + + return 0; +} + +void HalUtlRemoveHalMgrData(struct HalMgrData *halMgrData) +{ + if(! halMgrData) + return; + + if(halMgrData->halDataList) + HalUtlRemoveAllHalFromList(&halMgrData->halDataList); + + free(halMgrData->apiName); + free(halMgrData->info); + + free(halMgrData); +}
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