DWORD WINAPI NetworkManager::send(LPVOID lpParam)
{
NetworkManager* manager = (NetworkManager*)lpParam;
const NetworkDevice& device = manager->getDevice();
NetworkPacketQueue& outbox = manager->outbox;
try
{
while (device.isConnected())
{
while (!outbox.empty())
{
const NetworkPacket& packet = outbox.front();
device.send((char*)&packet, packet.size + NetworkPacket::getHeaderSize());
outbox.pop();
}
::Sleep(1);
}
}
catch (const Exception& ex)
{
Console::out << ex.what() << Console::endl;
}
return 0;
}
DWORD WINAPI NetworkManager::start(LPVOID lpParam)
{
HANDLE threads[2];
unsigned long exitCodes[2];
NetworkManager* manager = (NetworkManager*)lpParam;
NetworkDevice device = manager->getDevice();
while (!manager->quit)
{
// connect to server
while (!device.isConnected() && !manager->quit)
device.connect(manager->server, manager->port);
if (device.isConnected())
{
// start send and receive threads
threads[0] = ::CreateThread(0, 0, NetworkManager::send, lpParam, 0, 0);
threads[1] = ::CreateThread(0, 0, NetworkManager::receive, lpParam, 0, 0);
// monitor threads
while (device.isConnected())
{
::Sleep(100);
// check if threads are still alive
for (unsigned i = 0; i < 2; ++i)
::GetExitCodeThread(threads[i], &exitCodes[i]);
// if quit flag is set or threads have finished
if (manager->quit || exitCodes[0] != STILL_ACTIVE || exitCodes[1] != STILL_ACTIVE)
{
device.disconnect();
::WaitForMultipleObjects(2, threads, true, INFINITE);
for (unsigned i = 0; i < 2; ++i)
::CloseHandle(threads[i]);
manager->inbox.clear();
manager->onDisconnect();
manager->outbox.clear();
}
}
}
}
return 0;
}
DWORD WINAPI NetworkManager::receive(LPVOID lpParam)
{
NetworkManager* manager = (NetworkManager*)lpParam;
const NetworkDevice& device = manager->getDevice();
NetworkPacketQueue& inbox = manager->inbox;
NetworkPacket packet;
int count;
try
{
while (true)
{
if (device.receive((char*)&packet.type, 1) == 0)
return 0;
if (device.receive((char*)&packet.size, 1) == 0)
return 0;
unsigned received = 0;
while (received < packet.size)
{
if ((count = device.receive(&packet.data[received], packet.size - received)) == 0)
return 0;
received += count;
}
manager->inbox.push(packet);
}
}
catch (const Exception& ex)
{
Console::out << ex.what() << Console::endl;
}
return 0;
}
