Re: File over socket problem

From:
"Doezel" <no@spam.com>
Newsgroups:
comp.lang.java.programmer
Date:
Thu, 26 Apr 2007 09:17:09 +0200
Message-ID:
<46305294$0$325$e4fe514c@news.xs4all.nl>

I am trying to send a zip file from a client to a server using
sockets. I can get the file to transfer all right but the server
"halts" after the send. Using trace debugging I can see that the while
loop is exiting but any statement afterwards is not being processed.

Client Code

output = new DataOutputStream(client.getOutputStream());
byte[] buffer = new byte[1024];
int r;
InputStream in = new FileInputStream(path + "\\" + file+ ".zip");
while((r = in.read(buffer)) > 0)
  {
     output.write(buffer,0,r);
  }
output.flush();
input.close();
output.close();

Server Code

input = new DataInputStream(connection.getInputStream());
OutputStream out = new FileOutputStream(outFile);
byte[] buffer = new byte[1024];
int r;
while((r = input.read(buffer)) > 0)
  {
     out.write(buffer,0,r);
  }
out.flush();
out.close();
input.close();

//This doesn't display, any idea??
System.out.println("Completed");


I'm not that experienced with java. But I think the server keeps on waiting
for input. How would the server know when the client doesn't want to send
anymore? I would at first send the filesize to the server and let the server
read that number of bytes. That way the server can close itself after it has
received enough bytes.

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