From fef008b549c9c6d6ee1e564312787c3d3f14f0c0 Mon Sep 17 00:00:00 2001 From: Romain Forlot Date: Wed, 16 May 2018 00:58:28 +0200 Subject: Convert the binding to use the controller Ease Time series DB abstraction layer by using Dyn API that implemente the API defined by the JSON schema. Change-Id: I67de4fbca10048201fdd2da683732a5f4f5b5368 Signed-off-by: Romain Forlot --- src/harvester-binding.c | 156 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 src/harvester-binding.c (limited to 'src/harvester-binding.c') diff --git a/src/harvester-binding.c b/src/harvester-binding.c new file mode 100644 index 0000000..c5d0602 --- /dev/null +++ b/src/harvester-binding.c @@ -0,0 +1,156 @@ +/* +* Copyright (C) 2016 "IoT.bzh" +* Author Fulup Ar Foll +* Author Romain Forlot +* +* 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 +#include +#include + +#include "harvester-binding.h" + +// default api to print log when apihandle not avaliable +afb_dynapi *AFB_default; + +// Config Section definition (note: controls section index should match handle +// retrieval in HalConfigExec) +static CtlSectionT ctrlSections[] = { + {.key = "plugins" , .loadCB = PluginConfig}, + {.key = "onload" , .loadCB = OnloadConfig}, + {.key = "controls", .loadCB = ControlConfig}, + {.key = "events" , .loadCB = EventConfig}, + {.key = NULL} +}; + +static void ctrlapi_ping(AFB_ReqT request) { + static int count = 0; + + count++; + AFB_ReqNotice(request, "Controller:ping count=%d", count); + AFB_ReqSucess(request, json_object_new_int(count), NULL); + + return; +} + +void ctrlapi_auth(AFB_ReqT request) +{ + AFB_ReqSetLOA(request, 1); + AFB_ReqSucess(request, NULL, NULL); +} + +static AFB_ApiVerbs CtrlApiVerbs[] = { + /* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */ + {.verb = "ping", .callback = ctrlapi_ping, .info = "ping test for API"}, + {.verb = "auth", .callback = ctrlapi_auth, .info = "Authenticate session to raise Level Of Assurance of the session"}, + {.verb = NULL} /* marker for end of the array */ +}; + +static int CtrlLoadStaticVerbs(afb_dynapi *apiHandle, AFB_ApiVerbs *verbs) { + int errcount = 0; + + for (int idx = 0; verbs[idx].verb; idx++) { + errcount += afb_dynapi_add_verb( + apiHandle, CtrlApiVerbs[idx].verb, NULL, CtrlApiVerbs[idx].callback, + (void *)&CtrlApiVerbs[idx], CtrlApiVerbs[idx].auth, 0); + } + + return errcount; +}; + +static int CtrlInitOneApi(AFB_ApiT apiHandle) { + int err = 0; + AFB_default = apiHandle; // hugely hack to make all V2 AFB_DEBUG to work in fileutils + + // retrieve section config from api handle + CtlConfigT *ctrlConfig = (CtlConfigT *)afb_dynapi_get_userdata(apiHandle); + err = CtlConfigExec(apiHandle, ctrlConfig); + if(err) { + AFB_ApiError(apiHandle, "Error at CtlConfigExec step"); + return err; + } + + return err; +} + +// next generation dynamic API-V3 mode +#include + +static int CtrlLoadOneApi(void *cbdata, AFB_ApiT apiHandle) { + CtlConfigT *ctrlConfig = (CtlConfigT *)cbdata; + + // save closure as api's data context + afb_dynapi_set_userdata(apiHandle, ctrlConfig); + + // add static controls verbs + int err = CtrlLoadStaticVerbs(apiHandle, CtrlApiVerbs); + if (err) { + AFB_ApiError(apiHandle, "CtrlLoadSection fail to register static V2 verbs"); + return ERROR; + } + + // load section for corresponding API + err = CtlLoadSections(apiHandle, ctrlConfig, ctrlSections); + + // declare an event event manager for this API; + afb_dynapi_on_event(apiHandle, CtrlDispatchApiEvent); + + // init API function (does not receive user closure ??? + afb_dynapi_on_init(apiHandle, CtrlInitOneApi); + + afb_dynapi_seal(apiHandle); + return err; +} + +int afbBindingVdyn(afb_dynapi *apiHandle) { + + AFB_default = apiHandle; + AFB_ApiNotice(apiHandle, "Controller in afbBindingVdyn"); + + const char *dirList = getenv("CONTROL_CONFIG_PATH"); + if (!dirList) + dirList = CONTROL_CONFIG_PATH; + + const char *configPath = CtlConfigSearch(apiHandle, dirList, ""); + if (!configPath) { + AFB_ApiError(apiHandle, "CtlPreInit: No %s* config found in %s ", GetBinderName(), dirList); + return ERROR; + } + + // load config file and create API + CtlConfigT *ctrlConfig = CtlLoadMetaData(apiHandle, configPath); + if (!ctrlConfig) { + AFB_ApiError(apiHandle, + "CtrlBindingDyn No valid control config file in:\n-- %s", + configPath); + return ERROR; + } + + if (!ctrlConfig->api) { + AFB_ApiError(apiHandle, + "CtrlBindingDyn API Missing from metadata in:\n-- %s", + configPath); + return ERROR; + } + + AFB_ApiNotice(apiHandle, "Controller API='%s' info='%s'", ctrlConfig->api, + ctrlConfig->info); + + // create one API per config file (Pre-V3 return code ToBeChanged) + int status = afb_dynapi_new_api(apiHandle, ctrlConfig->api, ctrlConfig->info, 1, CtrlLoadOneApi, ctrlConfig); + + return status; +} -- cgit 1.2.3-korg