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Diffstat (limited to 'lib/4a-hal-utilities/4a-hal-utilities-hal-api-handler.c')
| -rw-r--r-- | lib/4a-hal-utilities/4a-hal-utilities-hal-api-handler.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/lib/4a-hal-utilities/4a-hal-utilities-hal-api-handler.c b/lib/4a-hal-utilities/4a-hal-utilities-hal-api-handler.c new file mode 100644 index 0000000..ac4b2ba --- /dev/null +++ b/lib/4a-hal-utilities/4a-hal-utilities-hal-api-handler.c @@ -0,0 +1,154 @@ +/* + * 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 <urcu/list.h> + +#include <afb/afb-binding.h> + +#include <ctl-config.h> + +#include "4a-hal-utilities-data.h" +#include "4a-hal-utilities-hal-api-handler.h" + +/******************************************************************************* + * Add/Remove hal data and create/delete api functions * + ******************************************************************************/ + +int HalUtlAddHalDataAndCreateHalApi(afb_api_t apiHandle, + struct HalMgrData *halMgrData, + CtlConfigT *ctrlConfig, + int (*preinit)(void*, afb_api_t )) +{ + struct HalData *currentHalData; + + if(! apiHandle || ! halMgrData || ! ctrlConfig) { + AFB_API_ERROR(apiHandle, "Invalid argument(s)"); + return -1; + } + + // Allocation of current internal hal data + currentHalData = HalUtlAddHalToHalList(&halMgrData->halDataListHead); + if(! currentHalData) { + AFB_API_ERROR(apiHandle, "Didn't succeed to add hal to hal list"); + return -2; + } + + currentHalData->apiName = (char *) ctrlConfig->api; + + // Stores hal data in controller config + setExternalData(ctrlConfig, (void *) currentHalData); + + // Allocation of the structure that will be used to store internal hal data + currentHalData->internalHalData = calloc(1, sizeof(struct InternalHalData)); + if(! currentHalData->internalHalData) { + AFB_API_ERROR(apiHandle, "Didn't succeed to allocate internal hal data structure"); + return -3; + } + + CDS_INIT_LIST_HEAD(¤tHalData->internalHalData->probedDevicesListHead); + CDS_INIT_LIST_HEAD(¤tHalData->internalHalData->streamsDataListHead); + CDS_INIT_LIST_HEAD(¤tHalData->internalHalData->halMapListHead); + + // Create one API + if(! afb_api_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, preinit, ctrlConfig)) { + AFB_API_ERROR(apiHandle, "An error occurred at '%s' internal hal api creation", ctrlConfig->api); + return -4; + } + + return 0; +} + +int HalUtlRemoveHalDataAndDeleteHalApi(afb_api_t apiHandle, + struct HalData *halDataToDelete, + struct cds_list_head *halDataListHead) +{ + int err; + + if(! apiHandle || ! halDataToDelete || ! halDataListHead) { + AFB_API_ERROR(apiHandle, "Invalid argument(s)"); + return -1; + } + + afb_api_delete_api(halDataToDelete->internalHalData->apiHandle); + + err = HalUtlRemoveSelectedHalFromList(halDataListHead, halDataToDelete); + if(err) { + AFB_API_ERROR(apiHandle, + "Error %i happened while trying to remove '%s' internal hal data structure", + err, + halDataToDelete->apiName); + return -2; + } + + return 0; +} + +int HalUtlRemoveAllHalDataAndDeleteAllHalApi(afb_api_t apiHandle, + struct cds_list_head *halDataListHead) +{ + int err; + struct HalData *currentHalData, *savedHalData; + + if(! apiHandle || ! halDataListHead) { + AFB_API_ERROR(apiHandle, "Invalid argument(s)"); + return -1; + } + + cds_list_for_each_entry_safe(currentHalData, savedHalData, halDataListHead, node) { + err = HalUtlRemoveHalDataAndDeleteHalApi(apiHandle, currentHalData, halDataListHead); + if(err) { + AFB_API_ERROR(apiHandle, + "Error %i happened while trying to delete '%s' api and to remove its internal hal data structure", + err, + currentHalData->apiName); + return -2; + } + } + + return 0; +} + +int HalUtlRemoveHalMgrDataAndDeleteAllHalApi(afb_api_t apiHandle, + struct HalMgrData *halMgrData) +{ + int err; + + if(! apiHandle || ! halMgrData) { + AFB_API_ERROR(apiHandle, "Invalid argument(s)"); + return -1; + } + + err = HalUtlRemoveAllHalDataAndDeleteAllHalApi(apiHandle, &halMgrData->halDataListHead); + if(err) { + AFB_API_ERROR(apiHandle, + "Error %i happened while trying to remove all internal hal data structure and to delete all hal api", + err); + return -2; + } + + free(halMgrData->apiName); + free(halMgrData->info); + + free(halMgrData); + + return 0; +}
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