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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 <stdbool.h>
#include <wrap-json.h>
#include <ctl-config.h>
#include "hal-bt.h"
#include "hal-bt-cb.h"
#include "hal-bt-data.h"
#include "hal-bt-mixer-link.h"
// Local (static) Hal manager data structure
static struct HalBtPluginData localHalBtPluginData;
CTLP_CAPI_REGISTER(HAL_BT_PLUGIN_NAME)
// Call at initialisation time
CTLP_ONLOAD(plugin, callbacks)
{
CtlConfigT *ctrlConfig;
AFB_ApiInfo(plugin->api, "Hal-Bt Plugin Registering: uid='%s' 'info='%s'", plugin->uid, plugin->info);
memset(&localHalBtPluginData, '\0', sizeof(localHalBtPluginData));
localHalBtPluginData.currentHalApiHandle = plugin->api;
if(AFB_RequireApi(plugin->api, BT_MANAGER_API, 1)) {
AFB_ApiWarning(plugin->api, "Didn't succeed to require %s api, bluetooth is disable because not reachable", BT_MANAGER_API);
return 0;
}
if(! (ctrlConfig = (CtlConfigT *) afb_dynapi_get_userdata(plugin->api))) {
AFB_ApiError(plugin->api, "Can't get current hal controller config");
return -1;
}
if(! (localHalBtPluginData.currentHalData = (struct SpecificHalData *) ctrlConfig->external)) {
AFB_ApiError(plugin->api, "%s: Can't get current hal controller data", __func__);
return -2;
}
localHalBtPluginData.halBtPluginEnabled = 1;
AFB_ApiNotice(plugin->api, "Hal-Bt Plugin Registered correctly: uid='%s' 'info='%s'", plugin->uid, plugin->info);
/* TDB JAI :
- Register 'init' plugin function (HAL_BT_PLUGIN_NAME#init) as onload action here (to avoid adding it in json)
- Register 'event' plugin function (HAL_BT_PLUGIN_NAME#event) as action for BT_MANAGER_API#BT_MANAGER_DEVICE_UPDATE_EVENT event here (to avoid adding it in json)
*/
return 0;
}
// Call at contoller onload time
CTLP_CAPI(init, source, argsJ, queryJ)
{
int err;
char *returnedInfo;
json_object *toSendJ, *returnedJ, *returnedBtList = NULL;
if(! localHalBtPluginData.halBtPluginEnabled) {
AFB_ApiWarning(source->api, "Controller onload initialization of HAL-BT plugin cannot be done because bluetooth is not reachable");
return 0;
}
AFB_ApiInfo(source->api, "Controller onload initialization of HAL-BT plugin");
// Loading hal BT plugin specific verbs
if(afb_dynapi_add_verb(source->api,
HAL_BT_GET_STREAMING_STATUS_VERB,
"Get Bluetooth streaming status",
HalBtGetStreamingStatus,
(void *) &localHalBtPluginData,
NULL,
0)) {
AFB_ApiError(source->api, "%s: error while creating verb for bluetooth plugin : '%s'", __func__, HAL_BT_GET_STREAMING_STATUS_VERB);
return -1;
}
if(afb_dynapi_add_verb(source->api,
HAL_BT_SET_STREAMING_STATUS_VERB,
"Set Bluetooth streaming status",
HalBtSetStreamingStatus,
(void *) &localHalBtPluginData,
NULL,
0)) {
AFB_ApiError(source->api, "%s: error while creating verb for bluetooth plugin : '%s'", __func__, HAL_BT_SET_STREAMING_STATUS_VERB);
return -2;
}
if(afb_dynapi_add_verb(source->api,
HAL_BT_GET_CONNECTED_A2DP_DEVICES_VERB,
"Get connected Bluetooth A2DP devices list",
HalBtGetA2DPBluetoothDevices,
(void *) &localHalBtPluginData,
NULL,
0)) {
AFB_ApiError(source->api, "%s: error while creating verb for bluetooth plugin : '%s'", __func__, HAL_BT_GET_CONNECTED_A2DP_DEVICES_VERB);
return -3;
}
if(afb_dynapi_add_verb(source->api,
HAL_BT_GET_SELECTED_A2DP_DEVICE_VERB,
"Get selected Bluetooth A2DP device",
HalBtGetSelectedA2DPBluetoothDevice,
(void *) &localHalBtPluginData,
NULL,
0)) {
AFB_ApiError(source->api, "%s: error while creating verb for bluetooth plugin : '%s'", __func__, HAL_BT_GET_SELECTED_A2DP_DEVICE_VERB);
return -4;
}
if(afb_dynapi_add_verb(source->api,
HAL_BT_SET_SELECTED_A2DP_DEVICE_VERB,
"Set selected Bluetooth A2DP device",
HalBtSetSelectedA2DPBluetoothDevice,
(void *) &localHalBtPluginData,
NULL,
0)) {
AFB_ApiError(source->api, "%s: error while creating verb for bluetooth plugin : '%s'", __func__, HAL_BT_SET_SELECTED_A2DP_DEVICE_VERB);
return -5;
}
// Register to Bluetooth manager
wrap_json_pack(&toSendJ, "{s:s}", "value", BT_MANAGER_DEVICE_UPDATE_EVENT);
if(AFB_ServiceSync(source->api, BT_MANAGER_API, BT_MANAGER_SUBSCRIBE_VERB, toSendJ, &returnedJ)) {
AFB_ApiError(source->api,
"Error during call to verb '%s' of '%s' api (%s)",
BT_MANAGER_SUBSCRIBE_VERB,
BT_MANAGER_API,
json_object_get_string(returnedJ));
return -6;
}
else if(! wrap_json_unpack(returnedJ, "{s:{s:s}}", "request", "info", &returnedInfo)) {
AFB_ApiError(source->api,
"Couldn't subscribe to event '%s' during call to verb '%s' of api '%s' (error '%s')",
BT_MANAGER_DEVICE_UPDATE_EVENT,
BT_MANAGER_SUBSCRIBE_VERB,
BT_MANAGER_API,
returnedInfo);
json_object_put(returnedJ);
return -6;
}
json_object_put(returnedJ);
if(AFB_ServiceSync(source->api, BT_MANAGER_API, BT_MANAGER_GET_DEVICES_VERB, NULL, &returnedJ)) {
if((! wrap_json_unpack(returnedJ, "{s:{s:s}}", "request", "info", &returnedInfo)) &&
(! strncmp(returnedInfo, "No find devices", strlen(returnedInfo)))) {
AFB_ApiInfo(source->api,
"No bluetooth devices returned by call to verb '%s' of '%s' api",
BT_MANAGER_GET_DEVICES_VERB,
BT_MANAGER_API);
}
else {
AFB_ApiError(source->api,
"Error during call to verb '%s' of '%s' api (%s)",
BT_MANAGER_GET_DEVICES_VERB,
BT_MANAGER_API,
json_object_get_string(returnedJ));
return -7;
}
}
else if(wrap_json_unpack(returnedJ, "{s:{s:o}}", "response", "list", &returnedBtList)) {
AFB_ApiError(source->api,
"Couldn't get bluetooth device list during call to verb '%s' of api '%s'",
BT_MANAGER_GET_DEVICES_VERB,
BT_MANAGER_API);
json_object_put(returnedJ);
return -7;
}
if((returnedBtList) && (err = HalBtDataHandleReceivedMutlipleBtDeviceData(&localHalBtPluginData, returnedBtList)))
return (10 * err);
json_object_put(returnedJ);
if(localHalBtPluginData.selectedBtDevice) {
localHalBtPluginData.btStreamEnabled = 1;
AFB_ApiInfo(source->api, "Useable bluetooth device detected at initialization, will try to use it");
if(HalBtMixerLinkSetBtStreamingSettings(source->api,
localHalBtPluginData.currentHalData->ctlHalSpecificData->mixerApiName,
localHalBtPluginData.btStreamEnabled,
localHalBtPluginData.selectedBtDevice->hci,
localHalBtPluginData.selectedBtDevice->address)) {
AFB_ApiError(source->api,
"Couldn't set bluetooth streaming settings during call to verb '%s' of api '%s'",
MIXER_SET_STREAMED_BT_DEVICE_VERB,
localHalBtPluginData.currentHalData->ctlHalSpecificData->mixerApiName);
return -8;
}
}
AFB_ApiNotice(source->api, "Controller onload initialization of HAL-BT plugin correctly done");
return 0;
}
// This receive Hal bluetooth plugin events
CTLP_CAPI(events, source, argsJ, queryJ)
{
struct HalBtDeviceData *previouslySelectedBtDevice = localHalBtPluginData.selectedBtDevice;
if(! localHalBtPluginData.halBtPluginEnabled) {
AFB_ApiWarning(source->api, "Bluetooth event received but cannot be handled because bluetooth is not reachable");
return 0;
}
if(HalBtDataHandleReceivedSingleBtDeviceData(&localHalBtPluginData, queryJ)) {
AFB_ApiError(source->api, "Error while decoding bluetooth event received json (%s)", json_object_get_string(queryJ));
return -1;
}
if(localHalBtPluginData.selectedBtDevice == previouslySelectedBtDevice) {
AFB_ApiDebug(source->api, "Bluetooth event received but device didn't change");
return 0;
}
if(localHalBtPluginData.selectedBtDevice)
localHalBtPluginData.btStreamEnabled = 1;
else
localHalBtPluginData.btStreamEnabled = 0;
if(HalBtMixerLinkSetBtStreamingSettings(source->api,
localHalBtPluginData.currentHalData->ctlHalSpecificData->mixerApiName,
localHalBtPluginData.btStreamEnabled,
localHalBtPluginData.selectedBtDevice ? localHalBtPluginData.selectedBtDevice->hci : NULL,
localHalBtPluginData.selectedBtDevice ? localHalBtPluginData.selectedBtDevice->address : NULL)) {
AFB_ApiError(source->api,
"Couldn't set bluetooth streaming settings during call to verb '%s' of api '%s'",
MIXER_SET_STREAMED_BT_DEVICE_VERB,
localHalBtPluginData.currentHalData->ctlHalSpecificData->mixerApiName);
return -2;
}
return 0;
}
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