clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 6.4 Asynchronous networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 257 Index 259 iiiTornado Documentation, Release 6.5.1 Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado wait() if __name__ == "__main__": asyncio.run(main()) This example does not use any of Tornado’s asynchronous features; for that see this simple chat room. 5Tornado Documentation, Release 6.5.1 6 Chapter

Tornado [https://www.tornadoweb.org] is a Python web framework and asynchronous networking library, originally developed at FriendFeed [https://en.wikipedia.org/wiki/FriendFeed]. By using non-blocking __name__ == "__main__": asyncio.run(main()) This example does not use any of Tornado’s asynchronous features; for that see this simple chat room [https://github.com/tornadoweb/tornado/tree/stable/demos/chat] typically run with only one thread per process. See the User’s guide for more on Tornado’s approach to asynchronous programming. While some support of WSGI is available in the tornado.wsgi module, it is not a

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 21.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 21.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 22 Parallel Computing 292 23 Asynchronous Programming 293 23.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473 37.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 473 37.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 21.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289 21.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290 22 Parallel Computing 292 23 Asynchronous Programming 293 23.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 473 37.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 473 37.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 23 Parallel Computing 310 24 Asynchronous Programming 311 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 508 38.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 23 Parallel Computing 310 24 Asynchronous Programming 311 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 508 38.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 308 23 Parallel Computing 310 24 Asynchronous Programming 311 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 508 38.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 23 Parallel Computing 313 24 Asynchronous Programming 314 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 519 38.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 23 Parallel Computing 313 24 Asynchronous Programming 314 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 520 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 520 38.13 Arrays . .

Resolving IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.7 Asynchronous I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 22.8 Multicast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 23 Parallel Computing 313 24 Asynchronous Programming 314 24.1 Basic Task operations . . . . . . . . . . . . . . . . . . . . . . . . . Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 519 38.12 Asynchronous IO and concurrent synchronous writes . . . . . . . . . . . . . . . . . 519 38.13 Arrays . .