simple TCP server: import errno import functools import socket import tornado.ioloop from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) → bool Returns True if this PeriodicCallback has been started. New in version 4.1. 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking connect. A very simple (and broken) HTTP client using this class: import tornado.ioloop import tornado.iostream import socket async def main(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) stream

Documentation, Release 6.2 (continued from previous page) import socket import tornado.ioloop from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) New in version 4.1. 106 Chapter 6. Documentation Tornado Documentation, Release 6.2 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking connect. A very simple (and broken) HTTP client using this class: import tornado.ioloop import tornado.iostream import socket async def main(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) stream

TCP server: import asyncio import errno import functools import socket import tornado from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) bool Returns True if this PeriodicCallback has been started. Added in version 4.1. 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking simple echo server could be defined like this: from tornado.tcpserver import TCPServer from tornado.iostream import StreamClosedError class EchoServer(TCPServer): async def handle_stream(self, stream

simple TCP server: import errno import functools import socket import tornado.ioloop from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) subclasses and should not generally be used by application code. New in version 4.0. 5.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking connect. A very simple (and broken) HTTP client using this class: import tornado.ioloop import tornado.iostream import socket async def main(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) stream

simple TCP server: import errno import functools import socket import tornado.ioloop from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) New in version 4.1. 102 Chapter 6. Documentation Tornado Documentation, Release 6.0.4 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking connect. A very simple (and broken) HTTP client using this class: import tornado.ioloop import tornado.iostream import socket async def main(): s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) stream

TCP server: import asyncio import errno import functools import socket import tornado from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) in version 4.1. 6.4. Asynchronous networking 107 Tornado Documentation, Release 6.4 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking simple echo server could be defined like this: from tornado.tcpserver import TCPServer from tornado.iostream import StreamClosedError class EchoServer(TCPServer): async def handle_stream(self, stream

TCP server: import asyncio import errno import functools import socket import tornado from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) in version 4.1. 6.4. Asynchronous networking 107 Tornado Documentation, Release 6.4 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking simple echo server could be defined like this: from tornado.tcpserver import TCPServer from tornado.iostream import StreamClosedError class EchoServer(TCPServer): async def handle_stream(self, stream

TCP server: import asyncio import errno import functools import socket import tornado from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) in version 4.1. 6.4. Asynchronous networking 107 Tornado Documentation, Release 6.4 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking simple echo server could be defined like this: from tornado.tcpserver import TCPServer from tornado.iostream import StreamClosedError class EchoServer(TCPServer): async def handle_stream(self, stream

TCP server: import asyncio import errno import functools import socket import tornado from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection) → bool Returns True if this PeriodicCallback has been started. New in version 4.1. 6.4.2 tornado.iostream — Convenient wrappers for non-blocking sockets Utility classes to write to and read from non-blocking simple echo server could be defined like this: from tornado.tcpserver import TCPServer from tornado.iostream import StreamClosedError class EchoServer(TCPServer): async def handle_stream(self, stream

HTTP/1.x client/server implementation Asynchronous networking tornado.ioloop — Main event loop tornado.iostream — Convenient wrappers for non-blocking sockets tornado.netutil — Miscellaneous network utilities IOLoop I/O events Callbacks and timeouts Debugging and error handling Methods for subclasses tornado.iostream — Convenient wrappers for non-blocking sockets Base class Main interface Methods for subclasses simple TCP server: import errno import functools import socket import tornado.ioloop from tornado.iostream import IOStream async def handle_connection(connection, address): stream = IOStream(connection)