Re: how to send 1 byte to C++ server

From:
Paul Cager <news8573@paulcager.org>
Newsgroups:
comp.lang.java.help
Date:
Thu, 27 Jul 2006 19:43:49 GMT
Message-ID:
<VH8yg.47026$1g.31952@newsfe1-win.ntli.net>
Paul Cager wrote:

msosno01@gmail.com wrote:

I have a Java client and a C++ server. How to send 1 byte to the
server?
This what I am doing in my Java client:

      byte b = 4;
      Socket s = new Socket(server, port);
      DataOutputStream out = new DataOutputStream(s.getOutputStream());
      System.out.print("Connection established on port " + port);
      out.writeByte(b);

This is how I am accepting this byte in C++ server:
char InputStream::read()//reads one byte at a time
{
   char byte;
   int size = 0;

   while (size != 1) {
         size = soc->recv(&byte,1);
   }
      return byte;
}

The server does read 1 byte, Howerver, when I try to print the byte
sent from the server, all I get is empty space.
I am assuming that the problem is in how I am sending this byte. Please
help.


Java chars are _not_ the same as bytes - they are two bytes long. If you
are using ASCII characters, then the first byte of a character is
probably 0x00.


Ignore what I have written above - you are, of course, writing a byte.
My brain doesn't seem to be working today. Sorry about that!

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