Implementing Internet Communication : socket « Network

Implementing Internet Communication : socket « Network « Python Tutorial

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Python Tutorial » Network » socket

21.2.2.Implementing Internet Communication

# Protocol Families for Python Sockets

# Family      Description

# AF_INET     Ipv4 protocols (TCP, UDP)

# AF_INET6    Ipv6 protocols (TCP, UDP)

# AF_UNIX     Unix domain protocols



# Socket Types for Python Sockets



# Type              Description

# SOCK_STREAM       Opens an existing file for reading.

# SOCK_DGRAM        Opens a file for writing. 

# SOCK_RAW          Opens an existing file for updating, keeping the existing contents intact.

# SOCK_RDM          Opens a file for both reading and writing. The existing contents are kept intact.

# SOCK_SEQPACKET    Opens a file for both writing and reading. The existing contents are deleted.



from socket import *



serverHost = '127.0.0.1'

serverPort = 50007



sSock = socket(AF_INET, SOCK_STREAM)

sSock.bind((serverHost, serverPort))

sSock.listen(3)



while 1:

    conn, addr = sSock.accept()

    print 'Client Connection: ', addr

    while 1:

        data = conn.recv(1024)

        if not data: break

        print 'Server Received: ', data

        newData = data.replace('Client', 'Processed')

        conn.send(newData)

    conn.close()

21.2.socket
	21.2.1.	Get list of available socket options
	21.2.2.	Implementing Internet Communication
	21.2.3.	A server that will receive a connection from a client, send a string to the client, and close the connection.
	21.2.4.	socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	21.2.5.	Looking up port number
	21.2.6.	Get socket name and peer name
	21.2.7.	Send 10M of data with socket
	21.2.8.	Echo Server

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