Asynchronous networking

• tornado.gen — Simplify asynchronous code
  • Decorators
  • Yield points
  • Other classes
• tornado.ioloop — Main event loop
  • IOLoop objects
    • Running an IOLoop
    • I/O events
    • Callbacks and timeouts
    • Debugging and error handling
• tornado.iostream — Convenient wrappers for non-blocking sockets
  • Base class
    • Main interface
    • Methods for subclasses
  • Implementations
• tornado.httpclient — Asynchronous HTTP client
  • HTTP client interfaces
  • Request objects
  • Response objects
  • Exceptions
  • Command-line interface
• tornado.netutil — Miscellaneous network utilities
• tornado.tcpserver — Basic IOStream-based TCP server