void UdpManager::stop()
{
if(is_running == true)
{
socket->close();
disconnect(socket,SIGNAL(readyRead()),this,SLOT(readUDP()));
is_running = false;
}
}
void UdpManager::start()
{
if(is_running == false)
{
socket->bind(QHostAddress::Any, 6668); //bind to non-specific address and certain port; our subnet is 141.75.33.255
connect(socket,SIGNAL(readyRead()),this,SLOT(readUDP()));
is_running = true;
}
}
UdpManager::UdpManager(QObject *parent) :
QObject(parent)
{
is_running = true;
workerIsBusy = false;
isGPUWorker = false;
file_hash = "Th15I5Th3DummymD5HasH0fGSORF.0RG";
socket = new QUdpSocket(this);
socket->bind(QHostAddress::Any, 6668); //bind to non-specific address and certain port; our subnet is 141.75.33.255
connect(socket,SIGNAL(readyRead()),this,SLOT(readUDP()));
}
bool NetworkSocket_Read(NetworkSocket * networkSocket, uint8_t * buffer, int bufferLength, NetworkAddress ** sourceAddress, int *readLength)
{
bool result = false;
if (networkSocket)
{
networkSocket->LastError = NetworkSocketError_NoError;
if (buffer && bufferLength > 0 && readLength)
{
*readLength = 0;
if ((networkSocket->SocketType & NetworkSocketType_UDP) == NetworkSocketType_UDP)
{
if (sourceAddress)
{
if (networkSocket->Socket && readUDP(networkSocket, buffer, bufferLength, sourceAddress, readLength))
{
result = true;
}
if ((*readLength > 0) && *sourceAddress && (*sourceAddress)->Secure)
{
if (DTLS_Decrypt(*sourceAddress, buffer, *readLength, encryptBuffer, ENCRYPT_BUFFER_LENGTH, readLength, networkSocket))
{
if (*readLength > 0)
{
memcpy(buffer, encryptBuffer, *readLength);
}
}
}
}
else
{
networkSocket->LastError = NetworkSocketError_InvalidArguments;
}
}
}
else
{
networkSocket->LastError = NetworkSocketError_InvalidArguments;
}
}
return result;
}
bool NetworkSocket_Read(NetworkSocket * networkSocket, uint8_t * buffer, int bufferLength, NetworkAddress ** sourceAddress, int *readLength)
{
bool result = false;
if (networkSocket)
{
networkSocket->LastError = NetworkSocketError_NoError;
if (buffer && bufferLength > 0 && readLength)
{
*readLength = 0;
if ((networkSocket->SocketType & NetworkSocketType_UDP) == NetworkSocketType_UDP)
{
if (sourceAddress)
{
if ((networkSocket->Socket != SOCKET_ERROR) && readUDP(networkSocket, networkSocket->Socket, buffer, bufferLength, sourceAddress, readLength))
{
result = true;
if (*readLength == 0)
{
readUDP(networkSocket, networkSocket->SocketIPv6, buffer, bufferLength, sourceAddress, readLength);
}
}
else if ((networkSocket->SocketIPv6 != SOCKET_ERROR) && readUDP(networkSocket, networkSocket->SocketIPv6, buffer, bufferLength, sourceAddress, readLength))
{
result = true;
}
if ((*readLength > 0) && *sourceAddress && (*sourceAddress)->Secure)
{
if (DTLS_Decrypt(*sourceAddress, buffer, *readLength, encryptBuffer, ENCRYPT_BUFFER_LENGTH, readLength, networkSocket))
{
if (*readLength > 0)
{
memcpy(buffer, encryptBuffer, *readLength);
}
}
}
}
else
{
networkSocket->LastError = NetworkSocketError_InvalidArguments;
}
}
else
{
errno = 0;
*readLength = recv(networkSocket->Socket, buffer, bufferLength, 0);
int lastError = errno;
if (*readLength == 0)
{
networkSocket->LastError = NetworkSocketError_ConnectionLost;
}
else if (*readLength == SOCKET_ERROR)
{
*readLength = 0;
if (lastError == EWOULDBLOCK)
*readLength = 0;
else if (lastError == ENOTCONN)
networkSocket->LastError = NetworkSocketError_ConnectionLost;
else if (lastError == EBADF)
networkSocket->LastError = NetworkSocketError_ConnectionLost;
}
}
}
else
{
networkSocket->LastError = NetworkSocketError_InvalidArguments;
}
}
return result;
}
