Error on socket send

Development Programming & Scripting
1

Hello,

I have a code that used to work until today. I use a FSocket created via FTcpSocketBuilder(…). The error is in my socket->send(…). As I said, it worked fine, but now it always fails to send data. Any insights to solve this?

FString result;
//Creating socket connection;
FIPv4Endpoint endpoint(FIPv4Address(address[0], address[1], address[2], address[3]), outport);
FSocket* socket = FTcpSocketBuilder(*socketName);
if (!socket->Connect(endpoint.ToInternetAddr().Get()))
{
	GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Green, FString(TEXT("Error connecting to webserver")));
	return FString(TEXT("Error connecting to webserver"));
}

//Send the request for the webserver
FBufferArchive buffer;
buffer << request;
int32 sent = 0;
if (!socket->Send(buffer.GetData(), buffer.GetTypeSize(), sent))
{
	GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Green, FString::Printf(TEXT("Error sending %d bytes of data to webserver: %d.%d.%d.%d:%d"), sent, *(address + 0), *(address + 1), *(address + 2), *(address + 3), outport));
	return FString(TEXT("Error sending message webserver"));
}
2

What is the error?

3

It doens’t send the data (the function returns false and -1 bytes sent)

4

Can you post the whole code for the FTcpSocketBuilder initialization?

5

Edited the question with the part of the code

6

Hmm… not sure. One thing that looks wrong is buffer.GetTypeSize(). Did you mean buffer.TotalSize() ?

As far as the failed sending, your best bet would be step into socket code and see what error codes are returned.

7

Yeah, I just reinitialized the pc after realizing some other “zombie” process was using the socket…sight…thank you anyway! Also, I went back to my old “Fstring to uint8*” function, because that one wasn`t working…Looks like the problem is somewhere else now! gonna fix it! thank you! ^^

8

Also consider the AsReusable() method on the FTcpSocketBuilder. It will allow you to reuse the same port in multiple processes.

FSocket* socket = FTcpSocketBuilder(*socketName).AsReusable();