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Diffstat (limited to '4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c')
| -rw-r--r-- | 4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c deleted file mode 100644 index a6f6895..0000000 --- a/4a-hal/4a-hal-controllers/4a-hal-controllers-api-loader.c +++ /dev/null @@ -1,243 +0,0 @@ -/* - * 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 <filescan-utils.h> -#include <wrap-json.h> - -#include <afb/afb-binding.h> - -#include <ctl-config.h> - -#include "4a-hal-utilities-verbs-loader.h" - -#include "4a-hal-controllers-api-loader.h" -#include "4a-hal-controllers-alsacore-link.h" -#include "4a-hal-controllers-cb.h" -#include "4a-hal-controllers-mixer-link.h" - -// Default api to print log when apihandle not available -afb_api_t AFB_default; - -/******************************************************************************* - * Json parsing functions using app controller * - ******************************************************************************/ - -// Config Section definition -static CtlSectionT ctrlSectionsDefault[] = -{ - { .key = "resources", .loadCB = PluginConfig }, - { .key = "halmixer", .loadCB = HalCtlsHalMixerConfig }, - { .key = "onload", .loadCB = OnloadConfig }, - { .key = "controls", .loadCB = ControlConfig }, - { .key = "events", .loadCB = EventConfig }, - { .key = "halmap", .loadCB = HalCtlsHalMapConfig }, - { .key = NULL } -}; - -/******************************************************************************* - * Dynamic HAL verbs' functions * - ******************************************************************************/ - -// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT -static afb_verb_t CtlHalApiStaticVerbs[] = -{ - /* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */ - { .verb = "info", .callback = HalCtlsInfo, .info = "List available streams/playbacks/captures/controls for this api" }, - { .verb = "subscribe", .callback = HalCtlsSubscribe, .info = "Subscribe to event(s) for values changes (streams/playbacks/captures/controls) for this api" }, - { .verb = "unsubscribe", .callback = HalCtlsUnsubscribe, .info = "Unsubscribe to event(s) for values changes (streams/playbacks/captures/controls) for this api" }, - { .verb = NULL } // Marker for end of the array -}; - -/******************************************************************************* - * Dynamic API functions for app controller * - ******************************************************************************/ - -static int HalCtlsInitOneApi(afb_api_t apiHandle) -{ - CtlConfigT *ctrlConfig; - struct SpecificHalData *currentCtlHalData; - - if(! apiHandle) - return -1; - - // Hugely hack to make all V2 AFB_DEBUG to work in fileutils - AFB_default = apiHandle; - - // Retrieve section config from api handle - if(! (ctrlConfig = (CtlConfigT *) afb_api_get_userdata(apiHandle))) - return -2; - - currentCtlHalData = (struct SpecificHalData *) getExternalData(ctrlConfig); - if(! currentCtlHalData) - return -3; - - // Fill SpecificHalDatadata structure - currentCtlHalData->internal = 1; - - currentCtlHalData->sndCardPath = (char *) ctrlConfig->uid; - currentCtlHalData->info = (char *) ctrlConfig->info; - - currentCtlHalData->author = (char *) ctrlConfig->author; - currentCtlHalData->version = (char *) ctrlConfig->version; - currentCtlHalData->date = (char *) ctrlConfig->date; - - currentCtlHalData->ctlHalSpecificData->apiHandle = apiHandle; - currentCtlHalData->ctlHalSpecificData->ctrlConfig = ctrlConfig; - - currentCtlHalData->sndCardId = HalCtlsGetCardIdByCardPath(apiHandle, currentCtlHalData->sndCardPath); - - if(! (currentCtlHalData->ctlHalSpecificData->streamUpdates = afb_api_make_event(apiHandle, HAL_STREAM_UPDATES_EVENT_NAME))) - return -4; - - if(currentCtlHalData->sndCardId < 0) - currentCtlHalData->status = HAL_STATUS_UNAVAILABLE; - else - currentCtlHalData->status = HAL_STATUS_AVAILABLE; - - // TBD JAI: handle refresh of hal status for dynamic card (/dev/by-id) - - return CtlConfigExec(apiHandle, ctrlConfig); -} - -static int HalCtlsLoadOneApi(void *cbdata, afb_api_t apiHandle) -{ - int err; - CtlConfigT *ctrlConfig; - CtlSectionT *ctrlCurrentSections; - - if(! cbdata || ! apiHandle) - return -1; - - ctrlConfig = (CtlConfigT*) cbdata; - - // Save closure as api's data context - afb_api_set_userdata(apiHandle, ctrlConfig); - - // Add static controls verbs - if(HalUtlLoadVerbs(apiHandle, CtlHalApiStaticVerbs)) { - AFB_API_ERROR(apiHandle, "Load Section : fail to register static V2 verbs"); - return 1; - } - - ctrlCurrentSections = malloc(sizeof(ctrlSectionsDefault)); - memcpy(ctrlCurrentSections, ctrlSectionsDefault, sizeof(ctrlSectionsDefault)); - - // Load section for corresponding Api - if((err = CtlLoadSections(apiHandle, ctrlConfig, ctrlCurrentSections))) - return err; - - // Declare an event manager for this Api - afb_api_on_event(apiHandle, HalCtlsDispatchApiEvent); - - // Init Api function (does not receive user closure ???) - afb_api_on_init(apiHandle, HalCtlsInitOneApi); - - return 0; -} - -int HalCtlsCreateApi(afb_api_t apiHandle, char *path, struct HalMgrData *HalMgrGlobalData) -{ - CtlConfigT *ctrlConfig; - struct SpecificHalData *currentCtlHalData; - - if(! apiHandle || ! path || ! HalMgrGlobalData) - return -1; - - // Create one Api per file - ctrlConfig = CtlLoadMetaData(apiHandle, path); - if(! ctrlConfig) { - AFB_API_ERROR(apiHandle, "No valid control config file in:\n-- %s", path); - return -2; - } - - if(! ctrlConfig->api) { - AFB_API_ERROR(apiHandle, "API Missing from metadata in:\n-- %s", path); - return -3; - } - - // Allocation of current hal controller data - currentCtlHalData = HalUtlAddHalApiToHalList(&HalMgrGlobalData->halDataList); - if(! currentCtlHalData) - return -4; - - currentCtlHalData->apiName = (char *) ctrlConfig->api; - - // Stores current hal controller data in controller config - setExternalData(ctrlConfig, (void *) currentCtlHalData); - - // Allocation of the structure that will be used to store specific hal controller data - currentCtlHalData->ctlHalSpecificData = calloc(1, sizeof(struct CtlHalSpecificData)); - - // Create one API - if(! afb_api_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, HalCtlsLoadOneApi, ctrlConfig)) - return -5; - - return 0; -} - -int HalCtlsCreateAllApi(afb_api_t apiHandle, struct HalMgrData *HalMgrGlobalData) -{ - int index, status = 0; - char *dirList, *fileName, *fullPath; - char filePath[CONTROL_MAXPATH_LEN]; - - filePath[CONTROL_MAXPATH_LEN - 1] = '\0'; - - json_object *configJ, *entryJ; - - if(! apiHandle || ! HalMgrGlobalData) - return -1; - - // Hugely hack to make all V2 AFB_DEBUG to work in fileutils - AFB_default = apiHandle; - - AFB_API_NOTICE(apiHandle, "Begining to create all APIs"); - - dirList = getenv("CONTROL_CONFIG_PATH"); - if(! dirList) - dirList = CONTROL_CONFIG_PATH; - - configJ = CtlConfigScan(dirList, "hal"); - if(! configJ) { - AFB_API_WARNING(apiHandle, "No hal-(binder-middle-name)*.json config file(s) found in %s, 4a-hal-manager will only works with external hal", dirList); - return 0; - } - - // We load 1st file others are just warnings - for(index = 0; index < (int) json_object_array_length(configJ); index++) { - entryJ = json_object_array_get_idx(configJ, index); - - if(wrap_json_unpack(entryJ, "{s:s, s:s !}", "fullpath", &fullPath, "filename", &fileName)) { - AFB_API_ERROR(apiHandle, "HOOPs invalid JSON entry = %s", json_object_get_string(entryJ)); - return -2; - } - - strncpy(filePath, fullPath, sizeof(filePath) - 1); - strncat(filePath, "/", sizeof(filePath) - 1); - strncat(filePath, fileName, sizeof(filePath) - 1); - - if(HalCtlsCreateApi(apiHandle, filePath, HalMgrGlobalData) < 0) - status--; - } - - return status; -}
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