Concurrent Clients
This chapter concludes by introducing a topic that is one of the central issues of Part III, the problem of concurrency.
A Gab Client, First Try
To motivate this discussion, let's write a simple client that can be used for interactive conversations with line-oriented servers. This program will connect to a designated host and port, and simply act as a direct conduit between the remote machine and the user. Everything the user types is transmitted across the wire to the remote host, and everything we receive from the remote host is echoed to standard output.
We can use this client to talk to the echo servers from this chapter and the last, or to talk with other line-oriented servers on the Internet. Common examples include ...
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