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Chilkat2-Python

Receive a 16-bit Integer from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveInt16, which reads exactly two bytes as a 16-bit integer and stores the result in the ReceivedInt property. Byte order and signedness are selectable.

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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Chilkat2-Python
import sys
import chilkat2

success = False

socket = chilkat2.Socket()

# Connect to the server using TLS.
bTls = True
maxWaitMs = 5000
success = socket.Connect("example.com",5000,bTls,maxWaitMs)
if (success == False):
    print(socket.LastErrorText)
    sys.exit()

# Read exactly two bytes as a 16-bit integer and store the result in the ReceivedInt property.
# The 1st argument selects byte order (True = big-endian); the 2nd selects unsigned interpretation.
bBigEndian = True
bUnsigned = False
success = socket.ReceiveInt16(bBigEndian,bUnsigned)
if (success == False):
    print(socket.LastErrorText)
    sys.exit()

print("Received 16-bit integer: " + str(socket.ReceivedInt))