socket.sendall

socket.sendall(data)

• This function sends data to a connected socket
• This function differs from send by blocking I/O until all the data is sent
• This refers to a client or server sending data to the other
• The data represents the data sent
• The data needs to be a string
• For example, socket.sendall('hello') will send 'hello' to a server socket
• This function returns the number n of bytes sent to the server
• The n may be lower than len(data) if these is no space in the server socket's buffet
• It will block I/O until space appears

Example of sendall

>>> import socket
>>> sock = socket(AF_INET, SOCK_STREAM)

>>> # connect with server at ip
>>> # address 32.21.671.11 on port 25000
>>> address = ('32.21.671.11', 25000)
>>> sock.connect(address)
>>> sock.sendall('hello world')  # send to server

References

• Python Essential Reference
• Documentation for socket API
• Python in a Nutshell