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#!/usr/bin/evn python
# Error Handling Example - Chapter 2 - socketerrors.py

import socket, sys
host = sys.argv[1]
textport = sys.argv[2]
filename = sys.argv[3]



try:
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
except socket.error, e:
    print "Strange error creating socket: %s" % e
    sys.exit(1)

# Try parsing it as numeric port number.

try:
    port = int(textport)
except ValueError:
    # That didn't work, so it's probably a protocol name.
    # Look it up instead
    try:
        port = socket.getservbyname(textport, 'tcp')
    except socket.error, e:
        print "Couldn't find your port: $s" % e
        sys.exit(1)

try:
    s.connect((host, port))
except socket.gaierror, e:
    print "Address-related error connecting to server: %s" % e
    sys.exit(1)
except socket.error, e:
    print "Connection error: %s" % e
    sys.exit(1)

try:
    s.sendall("GET %s HTTP/2.0\r\n\r\n" % filename)
except socket.error, e:
    print "Error sending data: %s" % e
    sys.exit(1)


while 1:
    try:
        buf = s.recv(2048)
    except socket.error, e:
        print "Error receiving data: %s" % e
        sys.exit(1)
    if not len(buf):
        break
    sys.stdout.write(buf)

This entry was posted on Tuesday, March 8th, 2016 at 15:04 and is filed under Linux, Python. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.