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/*
* Copyright (C) 2016 "IoT.bzh"
* Author Fulup Ar Foll <fulup@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 <time.h>
#include "mixer-binding.h"
// default api to print log when apihandle not avaliable
PUBLIC afb_dynapi *AFB_default;
// Config Section definition (note: controls section index should match handle retrieval in HalConfigExec)
static CtlSectionT ctrlSections[]= {
{.key="resources" , .loadCB= PluginConfig},
{.key="onload" , .loadCB= OnloadConfig},
{.key="controls", .loadCB= ControlConfig},
{.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;
}
// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
STATIC AFB_ApiVerbs CtrlApiVerbs[] = {
/* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */
{ .verb = "ping", .callback = ctrlapi_ping , .info = "ping test for API"},
{ .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, CtrlApiVerbs[idx].info, CtrlApiVerbs[idx].callback, (void*)&CtrlApiVerbs[idx], CtrlApiVerbs[idx].auth, 0);
}
return errcount;
};
STATIC int CtrlInitOneApi (AFB_ApiT apiHandle) {
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);
int err = CtlConfigExec (apiHandle, ctrlConfig);
return err;
}
// next generation dynamic API-V3 mode
#include <signal.h>
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");
goto OnErrorExit;
}
// 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);
// should not seal API as each mixer+stream create a new verb
// afb_dynapi_seal(apiHandle);
return err;
OnErrorExit:
return 1;
}
PUBLIC 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, "4a-");
if (!configPath) {
AFB_ApiError(apiHandle, "CtlPreInit: No 4a-%s-* config found in %s ", GetBinderName(), dirList);
goto OnErrorExit;
}
// 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);
goto OnErrorExit;
}
if (!ctrlConfig->api) {
AFB_ApiError(apiHandle, "CtrlBindingDyn API Missing from metadata in:\n-- %s", configPath);
goto OnErrorExit;
}
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;
OnErrorExit:
return -1;
}
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