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WinSock problems.
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Join Date: Jul 2006
Posts: 56
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Solved Threads: 3
Junior Poster in Training
Hello everyone,
I am trying to create a "proxy" for a program. I will try to explain how I am going to do that.
The program I want to write a proxy for sends and receives data to/from a server. The IP and port the client connects to is somewhere in the memory, and I know how to change that.
I will write the memory of the client to connect to port 1000 (just a random number...) on localhost.
like this:
http://img92.imageshack.us/img92/601...examplerz4.png
Well, I hope it is clear now what I want to do. The problem is that I can't get through a very basic stadium: creating the sockets.
I've tried about every tutorial, snippet, I read many guides about sockets, the winsock functions, but I keep getting errors.
The worst error is if I try
I have included:
and linked:
The including of winsock2.h adds 58 errors and 11 warnings to the debug window.
Well, because of these errors I decided not to include winsock2.h but just winsock.h.
this code was my result:
Cool. This one actually compiled without errors.
Unfortunately it just outputs socket creation failed and then quits.
I am using the compiler Microsoft Visual Studio 6.0, on a Windows XP prof computer.
Yours sincerely,
Eddy
I am trying to create a "proxy" for a program. I will try to explain how I am going to do that.
The program I want to write a proxy for sends and receives data to/from a server. The IP and port the client connects to is somewhere in the memory, and I know how to change that.
I will write the memory of the client to connect to port 1000 (just a random number...) on localhost.
like this:
http://img92.imageshack.us/img92/601...examplerz4.png
Well, I hope it is clear now what I want to do. The problem is that I can't get through a very basic stadium: creating the sockets.
I've tried about every tutorial, snippet, I read many guides about sockets, the winsock functions, but I keep getting errors.
The worst error is if I try
#include <winsock2.h>I have included:
C++ Syntax (Toggle Plain Text)
and linked:
C++ Syntax (Toggle Plain Text)
The including of winsock2.h adds 58 errors and 11 warnings to the debug window.
C++ Syntax (Toggle Plain Text)
Well, because of these errors I decided not to include winsock2.h but just winsock.h.
this code was my result:
C++ Syntax (Toggle Plain Text)
Cool. This one actually compiled without errors.
Unfortunately it just outputs socket creation failed and then quits.
I am using the compiler Microsoft Visual Studio 6.0, on a Windows XP prof computer.
Yours sincerely,
Eddy
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Join Date: Jul 2006
Posts: 56
Reputation:
Solved Threads: 3
Junior Poster in Training
This was supposed to be an edit, but I did not find an edit button, my apologies.
I called
According to MSDN error 10093 means:
As a matter of fact I have performed WSAStartup, and it does not return an error!
It never outputs that the startup has failed, so I don't believe that's the problem...
Yours,
Eddy
I called
WSAGetLastError and it returned 10093.According to MSDN error 10093 means:
C++ Syntax (Toggle Plain Text)
As a matter of fact I have performed WSAStartup, and it does not return an error!
C++ Syntax (Toggle Plain Text)
It never outputs that the startup has failed, so I don't believe that's the problem...
Yours,
Eddy
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Join Date: Dec 2005
Posts: 5,851
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Solved Threads: 749
> It never outputs that the startup has failed, so I don't believe that's the problem...
I bet the following call to cleanup() before you get to do any real work has something to do with it.
I bet the following call to cleanup() before you get to do any real work has something to do with it.
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Join Date: Jul 2006
Posts: 56
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Junior Poster in Training
Sorry, I didn't quite catch that.
Did you take a look at my code?
It starts up the WSA-thing, then it cleans, then it starts the socket, which gives an error.
Greetz, Eddy
Did you take a look at my code?
It starts up the WSA-thing, then it cleans, then it starts the socket, which gives an error.
Greetz, Eddy
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Join Date: Dec 2005
Posts: 5,851
Reputation:
Solved Threads: 749
Because WSAStartup() and WSACleanup() are like { and }
They SURROUND the body of code which does network API calls.
Calling cleanup takes you back to the state you were in before you called startup, which is why you get the error that startup hasn't been called.
They SURROUND the body of code which does network API calls.
Calling cleanup takes you back to the state you were in before you called startup, which is why you get the error that startup hasn't been called.
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