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/*
* 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 <afb/afb-binding.h>
#include "4a-hal-utilities-data.h"
#include "4a-hal-utilities-verbs-loader.h"
#include "../4a-hal-controllers/4a-hal-controllers-api-loader.h"
#include "4a-hal-manager.h"
#include "4a-hal-manager-cb.h"
// Default api to print log when apihandle not available
afb_api_t AFB_default;
// Local (static) Hal manager data structure
static struct HalMgrData localHalMgrGlobalData;
/*******************************************************************************
* HAL Manager verbs table *
******************************************************************************/
// Hal manager exported verbs
afb_verb_t HalManagerApiStaticVerbs[] =
{
/* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */
{ .verb = "ping", .callback = HalMgrPing, .info = "Ping test"},
{ .verb = "loaded", .callback = HalMgrLoaded, .info = "Show loaded HAL"},
{ .verb = "load", .callback = HalMgrLoad, .info = "Load an external HAL to HAL Manager"},
{ .verb = "unload", .callback = HalMgrUnload, .info = "Unload an external HAL to HAL Manager"},
{ .verb = "subscribe", .callback = HalMgrSubscribeEvent, .info = "Subscribe to an event"},
{ .verb = "unsuscribe", .callback = HalMgrUnsubscribeEvent, .info = "Unsubscribe to an event"},
{ .verb = NULL } // Marker for end of the array
};
/*******************************************************************************
* HAL Manager get first 'SpecificHalData' structure *
from HAL list function *
******************************************************************************/
struct SpecificHalData **HalMngGetFirstHalData(void)
{
return &localHalMgrGlobalData.first;
}
/*******************************************************************************
* Dynamic API functions for hal manager *
******************************************************************************/
static int HalMgrInitApi(afb_api_t apiHandle)
{
struct SpecificHalData *currentCtlHalData;
struct HalMgrData *HalMgrGlobalData;
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(! (HalMgrGlobalData = (struct HalMgrData *) afb_api_get_userdata(apiHandle)))
return -2;
if(HalUtlInitializeHalMgrData(apiHandle, HalMgrGlobalData, HAL_MANAGER_API_NAME, HAL_MANAGER_API_INFO))
return -3;
currentCtlHalData = HalMgrGlobalData->first;
while(currentCtlHalData) {
if(! currentCtlHalData->apiName)
return -4;
else if(afb_api_require_api(apiHandle, currentCtlHalData->apiName, 1))
return -5;
currentCtlHalData = currentCtlHalData->next;
}
return 0;
}
static int HalMgrLoadApi(void *cbdata, afb_api_t apiHandle)
{
struct HalMgrData *HalMgrGlobalData;
if(! cbdata || ! apiHandle)
return -1;
HalMgrGlobalData = (struct HalMgrData *) cbdata;
// Save closure as api's data context
afb_api_set_userdata(apiHandle, HalMgrGlobalData);
// Add static controls verbs
if(HalUtlLoadVerbs(apiHandle, HalManagerApiStaticVerbs)) {
AFB_API_ERROR(apiHandle, "Load section : fail to register static verbs");
return 1;
}
// Declare an event manager for Hal Manager
afb_api_on_event(apiHandle, HalMgrDispatchApiEvent);
// Init Api function (does not receive user closure ???)
afb_api_on_init(apiHandle, HalMgrInitApi);
afb_api_seal(apiHandle);
return 0;
}
int HalMgrCreateApi(afb_api_t apiHandle, struct HalMgrData *HalMgrGlobalData)
{
if(! apiHandle || ! HalMgrGlobalData)
return -1;
// Create one API
return afb_api_new_api(apiHandle, HAL_MANAGER_API_NAME, HAL_MANAGER_API_INFO, 1, HalMgrLoadApi, HalMgrGlobalData) ? 0 : -1;
}
/*******************************************************************************
* Startup function *
******************************************************************************/
int afbBindingEntry(afb_api_t apiHandle)
{
int status = 0, rc;
if(! apiHandle)
return -1;
// Hugely hack to make all V2 AFB_DEBUG to work in fileutils
AFB_default = apiHandle;
AFB_API_NOTICE(apiHandle, "Binding start");
// Load Hal-Manager using Api v3
rc = HalMgrCreateApi(apiHandle, &localHalMgrGlobalData);
if(rc < 0)
status--;
// Load Hal-Ctls using Api v3
rc = HalCtlsCreateAllApi(apiHandle, &localHalMgrGlobalData);
if(rc < 0)
status -= rc;
return status;
}
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