CODEWITHSUNDEEP
javasocketsjava-io
ForJ9
ForJ9

Reputation: 745

Sending File over Socket - termination condition

I am sending a file over a socket in Java.

This works pretty well if I close the socket connection after I sent the file, so that the read method returns -1. But I don't want to close the socket, so I need a termination condition. I tried to use inputStream.available, but its not returning the exact number of bytes. 

int number;
while((number = inputStream.read(buffer)) != -1) {
    fileStream.write(buffer, 0, number);
}

How can I do this?

Upvotes: 1

Views: 45

Answers (1)

Peter Lawrey
Peter Lawrey

Reputation: 533492

A standard pattern is to send the length first as say an int or long. e.g. DataInput/OutputStream can help you do this.

When you have read this amount of data, you have finished, but the connection is still open and can continue to be used.

Upvotes: 2

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