Chat sencillo TCP

[razpeitia]

Ok, no se cual sea el problema.

Pero si quieres hacer un chat de sockets robusto pero sencillo. Puedes usar select.

server.py

Código Python:

import select
import socket
import sys
import Queue
 
# Create a TCP/IP socket
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.setblocking(0)
 
# Bind the socket to the port
server_address = ('localhost', 10000)
print >>sys.stderr, 'starting up on %s port %s' % server_address
server.bind(server_address)
 
# Listen for incoming connections
server.listen(5)
 
# Sockets from which we expect to read
inputs = [ server ]
 
# Sockets to which we expect to write
outputs = [ ]
 
# Outgoing message queues (socket:Queue)
message_queues = {}
 
while inputs:
    # Wait for at least one of the sockets to be ready for processing
    print >>sys.stderr, '\nwaiting for the next event'
    readable, writable, exceptional = select.select(inputs, outputs, inputs)
    
    # Handle inputs
    for s in readable:
        if s is server:
            # A "readable" server socket is ready to accept a connection
            connection, client_address = s.accept()
            print >>sys.stderr, 'new connection from', client_address
            connection.setblocking(0)
            inputs.append(connection)
 
            # Give the connection a queue for data we want to send
            message_queues[connection] = Queue.Queue()
        else:
            data = s.recv(1024)
            if data:
                # A readable client socket has data
                print >>sys.stderr, 'received "%s" from %s' % (data, s.getpeername())
                message_queues[s].put(data)
                # Add output channel for response
                if s not in outputs:
                    outputs.append(s)
            else:
                # Interpret empty result as closed connection
                print >>sys.stderr, 'closing', client_address, 'after reading no data'
                # Stop listening for input on the connection
                if s in outputs:
                    outputs.remove(s)
                inputs.remove(s)
                s.close()
 
                # Remove message queue
                del message_queues[s]
    # Handle outputs
    for s in writable:
        try:
            next_msg = message_queues[s].get_nowait()
        except Queue.Empty:
            # No messages waiting so stop checking for writability.
            print >>sys.stderr, 'output queue for', s.getpeername(), 'is empty'
            outputs.remove(s)
        else:
            print >>sys.stderr, 'sending "%s" to %s' % (next_msg, s.getpeername())
            s.send(next_msg)
    # Handle "exceptional conditions"
    for s in exceptional:
        print >>sys.stderr, 'handling exceptional condition for', s.getpeername()
        # Stop listening for input on the connection
        inputs.remove(s)
        if s in outputs:
            outputs.remove(s)
        s.close()
 
        # Remove message queue
        del message_queues[s]
 

client.py

Código Python:

import socket
import sys
 
messages = [ 'This is the message. ',
             'It will be sent ',
             'in parts.',
             ]
server_address = ('localhost', 10000)
 
# Create a TCP/IP socket
socks = [ socket.socket(socket.AF_INET, socket.SOCK_STREAM),
          socket.socket(socket.AF_INET, socket.SOCK_STREAM),
          ]
 
# Connect the socket to the port where the server is listening
print >>sys.stderr, 'connecting to %s port %s' % server_address
for s in socks:
    s.connect(server_address)
 
for message in messages:
    # Send messages on both sockets
    for s in socks:
        print >>sys.stderr, '%s: sending "%s"' % (s.getsockname(), message)
        s.send(message)
 
    # Read responses on both sockets
    for s in socks:
        data = s.recv(1024)
        print >>sys.stderr, '%s: received "%s"' % (s.getsockname(), data)
        if not data:
            print >>sys.stderr, 'closing socket', s.getsockname()
            s.close()
 

Supongo que puedes modificar esto para que funcione como un chat.