telldus/telldus-core/client/Client.cpp

272 lines
7.7 KiB
C++

#include "Client.h"
#include "CallbackDispatcher.h"
#include "CallbackMainDispatcher.h"
#include "Socket.h"
#include "Strings.h"
#include "Mutex.h"
#include <list>
using namespace TelldusCore;
class Client::PrivateData {
public:
Socket eventSocket;
bool running, sensorCached, controllerCached;
std::wstring sensorCache, controllerCache;
TelldusCore::Mutex mutex;
CallbackMainDispatcher callbackMainDispatcher;
};
Client *Client::instance = 0;
Client::Client()
: Thread()
{
d = new PrivateData;
d->running = true;
d->sensorCached = false;
d->controllerCached = false;
d->callbackMainDispatcher.start();
start();
}
Client::~Client(void) {
stopThread();
wait();
{
TelldusCore::MutexLocker locker(&d->mutex);
}
delete d;
}
void Client::close() {
if (Client::instance != 0) {
delete Client::instance;
Client::instance = 0;
}
}
Client *Client::getInstance() {
if (Client::instance == 0) {
Client::instance = new Client();
}
return Client::instance;
}
bool Client::getBoolFromService(const Message &msg) {
return getIntegerFromService(msg) == TELLSTICK_SUCCESS;
}
int Client::getIntegerFromService(const Message &msg) {
std::wstring response = sendToService(msg);
if (response.compare(L"") == 0) {
return TELLSTICK_ERROR_COMMUNICATING_SERVICE;
}
return Message::takeInt(&response);
}
std::wstring Client::getWStringFromService(const Message &msg) {
std::wstring response = sendToService(msg);
return Message::takeString(&response);
}
int Client::registerEvent( CallbackStruct::CallbackType type, void *eventFunction, void *context ) {
//LOGGA, client is registering callback
debuglog(555, "Client, Registering callback");
return d->callbackMainDispatcher.registerCallback(type, eventFunction, context );
}
void Client::run(){
//listen here
d->eventSocket.connect(L"TelldusEvents");
while(d->running){
if(!d->eventSocket.isConnected()){
//LOGGA trying to (re)connect to TelldusEvents
debuglog(555, "Client, Trying to (re)connect to TelldusEvents");
d->eventSocket.connect(L"TelldusEvents"); //try to reconnect to service
if(!d->eventSocket.isConnected()){
//reconnect didn't succeed, wait a while and try again
msleep(2000);
continue;
}
}
std::wstring clientMessage = d->eventSocket.read(1000); //testing 5 second timeout
while(clientMessage != L""){
//a message arrived
std::wstring type = Message::takeString(&clientMessage);
if(type == L"TDDeviceChangeEvent"){
DeviceChangeEventCallbackData *data = new DeviceChangeEventCallbackData();
data->deviceId = Message::takeInt(&clientMessage);
data->changeEvent = Message::takeInt(&clientMessage);
data->changeType = Message::takeInt(&clientMessage);
d->callbackMainDispatcher.retrieveCallbackEvent()->signal(data);
} else if(type == L"TDDeviceEvent"){
DeviceEventCallbackData *data = new DeviceEventCallbackData();
data->deviceId = Message::takeInt(&clientMessage);
data->deviceState = Message::takeInt(&clientMessage);
data->deviceStateValue = TelldusCore::wideToString(Message::takeString(&clientMessage));
d->callbackMainDispatcher.retrieveCallbackEvent()->signal(data);
} else if(type == L"TDRawDeviceEvent"){
RawDeviceEventCallbackData *data = new RawDeviceEventCallbackData();
data->data = TelldusCore::wideToString(Message::takeString(&clientMessage));
data->controllerId = Message::takeInt(&clientMessage);
d->callbackMainDispatcher.retrieveCallbackEvent()->signal(data);
} else if(type == L"TDSensorEvent"){
SensorEventCallbackData *data = new SensorEventCallbackData();
data->protocol = TelldusCore::wideToString(Message::takeString(&clientMessage));
data->model = TelldusCore::wideToString(Message::takeString(&clientMessage));
data->id = Message::takeInt(&clientMessage);
data->dataType = Message::takeInt(&clientMessage);
data->value = TelldusCore::wideToString(Message::takeString(&clientMessage));
data->timestamp = Message::takeInt(&clientMessage);
d->callbackMainDispatcher.retrieveCallbackEvent()->signal(data);
} else if(type == L"TDControllerEvent") {
ControllerEventCallbackData *data = new ControllerEventCallbackData();
data->controllerId = Message::takeInt(&clientMessage);
data->changeEvent = Message::takeInt(&clientMessage);
data->changeType = Message::takeInt(&clientMessage);
data->newValue = TelldusCore::wideToString(Message::takeString(&clientMessage));
d->callbackMainDispatcher.retrieveCallbackEvent()->signal(data);
} else {
clientMessage = L""; //cleanup, if message contained garbage/unhandled data
}
}
}
}
std::wstring Client::sendToService(const Message &msg) {
int tries = 0;
std::wstring readData;
while(tries < 20){
tries++;
if(tries == 20){
TelldusCore::Message msg;
msg.addArgument(TELLSTICK_ERROR_CONNECTING_SERVICE);
return msg;
}
Socket s;
s.connect(L"TelldusClient");
if (!s.isConnected()) { //Connection failed
msleep(500);
continue; //retry
}
s.write(msg.data());
if (!s.isConnected()) { //Connection failed sometime during operation... (better check here, instead of 5 seconds timeout later)
msleep(500);
continue; //retry
}
readData = s.read(8000); //TODO changed to 10000 from 5000, how much does this do...?
if(readData == L""){
msleep(500);
continue; //TODO can we be really sure it SHOULD be anything?
//TODO perhaps break here instead?
}
if (!s.isConnected()) { //Connection failed sometime during operation...
msleep(500);
continue; //retry
}
break;
}
return readData;
}
void Client::stopThread(){
d->running = false;
d->eventSocket.stopReadWait();
}
int Client::unregisterCallback( int callbackId ) {
//LOGGA, client correctly unregistering callback
debuglog(555, "Client, correctly unregistering callback");
return d->callbackMainDispatcher.unregisterCallback(callbackId);
}
int Client::getSensor(char *protocol, int protocolLen, char *model, int modelLen, int *sensorId, int *dataTypes) {
if (!d->sensorCached) {
Message msg(L"tdSensor");
std::wstring response = Client::getWStringFromService(msg);
int count = Message::takeInt(&response);
d->sensorCached = true;
d->sensorCache = L"";
if (count > 0) {
d->sensorCache = response;
}
}
if (d->sensorCache == L"") {
d->sensorCached = false;
return TELLSTICK_ERROR_DEVICE_NOT_FOUND;
}
std::wstring p = Message::takeString(&d->sensorCache);
std::wstring m = Message::takeString(&d->sensorCache);
int id = Message::takeInt(&d->sensorCache);
int dt = Message::takeInt(&d->sensorCache);
if (protocol && protocolLen) {
strncpy(protocol, TelldusCore::wideToString(p).c_str(), protocolLen);
}
if (model && modelLen) {
strncpy(model, TelldusCore::wideToString(m).c_str(), modelLen);
}
if (sensorId) {
(*sensorId) = id;
}
if (dataTypes) {
(*dataTypes) = dt;
}
return TELLSTICK_SUCCESS;
}
int Client::getController(int *controllerId, int *controllerType, char *name, int nameLen, int *available) {
if (!d->controllerCached) {
Message msg(L"tdController");
std::wstring response = Client::getWStringFromService(msg);
int count = Message::takeInt(&response);
d->controllerCached = true;
d->controllerCache = L"";
if (count > 0) {
d->controllerCache = response;
}
}
if (d->controllerCache == L"") {
d->controllerCached = false;
return TELLSTICK_ERROR_NOT_FOUND;
}
int id = Message::takeInt(&d->controllerCache);
int type = Message::takeInt(&d->controllerCache);
std::wstring n = Message::takeString(&d->controllerCache);
int a = Message::takeInt(&d->controllerCache);
if (controllerId) {
(*controllerId) = id;
}
if (controllerType) {
(*controllerType) = type;
}
if (name && nameLen) {
strncpy(name, TelldusCore::wideToString(n).c_str(), nameLen);
}
if (available) {
(*available) = a;
}
return TELLSTICK_SUCCESS;
}