(Ruby) Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

Downloads for Windows/Linux and Install Instructions

require 'chilkat'

listenSocket = Chilkat::CkSocket.new()

success = listenSocket.UnlockComponent("Anything for 30-day trial")
if (success != true)
    print listenSocket.lastErrorText() + "\n";
    exit
end

#  Bind to a port and listen for incoming connections:
#  This example will listen at port 5555 and allows for a backlog
#  of 25 pending connection requests.
success = listenSocket.BindAndListen(5555,25)
if (success != true)
    print listenSocket.lastErrorText() + "\n";
    exit
end

#  Get the next incoming connection
#  Wait a maximum of 20 seconds (20000 millisec)

# connectedSocket is a CkSocket
connectedSocket = listenSocket.AcceptNextConnection(20000)
if (connectedSocket == nil )
    print listenSocket.lastErrorText() + "\n";
    exit
end

#  Set maximum timeouts for reading an writing (in millisec)
connectedSocket.put_MaxReadIdleMs(10000)
connectedSocket.put_MaxSendIdleMs(10000)

#  Send a "Hello World!" message to the client:
success = connectedSocket.SendString("Hello World!")
if (success != true)
    print connectedSocket.lastErrorText() + "\n";

    exit
end

#  Close the connection with the client.
#  Wait a max of 20 seconds (20000 millsec)
connectedSocket.Close(20000)

print "success!" + "\n"