Ruby

Send a 16-bit Integer over a Socket

Demonstrates Socket.SendInt16, which sends the low 16 bits of a value as a two-byte integer in the selected byte order.

Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.

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Ruby

require 'chilkat'

success = false

socket = Chilkat::CkSocket.new()

#  Connect to the server using TLS.
bTls = true
maxWaitMs = 5000
success = socket.Connect("example.com",5000,bTls,maxWaitMs)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

#  Send the low 16 bits of the value as a two-byte integer.  Use true for network byte order
#  (big-endian) or false for little-endian.
bBigEndian = true
success = socket.SendInt16(1024,bBigEndian)
if (success == false)
    print socket.lastErrorText() + "\n";
    exit
end

print "16-bit integer sent." + "\n";