telldus/telldus-core/service/Controller.cpp
2012-12-06 16:12:42 +01:00

99 lines
2.5 KiB
C++

//
// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
//
// Copyright: See COPYING file that comes with this distribution
//
//
#define _CRT_RAND_S
#include "service/Controller.h"
#include <stdlib.h>
#include <time.h>
#include <map>
#include <list>
#include <string>
#include "service/Protocol.h"
#include "service/EventUpdateManager.h"
#include "common/Strings.h"
inline int random( unsigned int* seed ) {
#ifdef _WINDOWS
unsigned int randomNumber;
rand_s( &randomNumber ); // no seed needed
return randomNumber;
#else
return rand_r( seed );
#endif
}
class Controller::PrivateData {
public:
TelldusCore::EventRef event, updateEvent;
int id, firmwareVersion;
unsigned int randSeed;
std::map<std::string, time_t> duplicates;
};
Controller::Controller(int id, TelldusCore::EventRef event, TelldusCore::EventRef updateEvent) {
d = new PrivateData;
d->event = event;
d->updateEvent = updateEvent;
d->id = id;
d->firmwareVersion = 0;
d->randSeed = time(NULL);
}
Controller::~Controller() {
delete d;
}
void Controller::publishData(const std::string &msg) const {
ControllerEventData *data = new ControllerEventData;
data->msg = msg;
data->controllerId = d->id;
d->event->signal(data);
}
void Controller::decodePublishData(const std::string &data) const {
// Garbange collect?
if (random(&d->randSeed) % 1000 == 1) {
time_t t = time(NULL);
// Standard associative-container erase idiom
for (std::map<std::string, time_t>::iterator it = d->duplicates.begin(); it != d->duplicates.end(); /* no increment */) {
if ((*it).second != t) {
d->duplicates.erase(it++);
} else {
++it;
}
}
}
// Duplicate check
if (d->duplicates.count(data) > 0) {
time_t t = d->duplicates[data];
if (t == time(NULL)) {
// Duplicate message
return;
}
}
d->duplicates[data] = time(NULL);
std::list<std::string> msgList = Protocol::decodeData(data);
for (std::list<std::string>::iterator msgIt = msgList.begin(); msgIt != msgList.end(); ++msgIt) {
this->publishData(*msgIt);
}
}
int Controller::firmwareVersion() const {
return d->firmwareVersion;
}
void Controller::setFirmwareVersion(int version) {
d->firmwareVersion = version;
EventUpdateData *eventData = new EventUpdateData();
eventData->messageType = L"TDControllerEvent";
eventData->controllerId = d->id;
eventData->eventState = TELLSTICK_DEVICE_CHANGED;
eventData->eventChangeType = TELLSTICK_CHANGE_FIRMWARE;
eventData->eventValue = TelldusCore::intToWstring(version);
d->updateEvent->signal(eventData);
}