Inheritance diagram for tornado.iostream.PipeIOStream:
Public Member Functions | |
| def | __init__ |
| def | close_fd |
| def | fileno |
| def | read_from_fd |
| def | write_to_fd |
Public Attributes | |
| fd | |
Detailed Description
Pipe-based `IOStream` implementation. The constructor takes an integer file descriptor (such as one returned by `os.pipe`) rather than an open file object. Pipes are generally one-way, so a `PipeIOStream` can be used for reading or writing but not both.
Definition at line 1308 of file iostream.py.
Constructor & Destructor Documentation
| def tornado.iostream.PipeIOStream.__init__ | ( | self, | |
| fd, | |||
| args, | |||
| kwargs | |||
| ) |
Definition at line 1316 of file iostream.py.
Member Function Documentation
| def tornado.iostream.PipeIOStream.close_fd | ( | self | ) |
Closes the file underlying this stream. ``close_fd`` is called by `BaseIOStream` and should not be called elsewhere; other users should call `close` instead.
Reimplemented from tornado.iostream.BaseIOStream.
Definition at line 1324 of file iostream.py.
| def tornado.iostream.PipeIOStream.fileno | ( | self | ) |
Returns the file descriptor for this stream.
Reimplemented from tornado.iostream.BaseIOStream.
Definition at line 1321 of file iostream.py.
| def tornado.iostream.PipeIOStream.read_from_fd | ( | self | ) |
Attempts to read from the underlying file. Returns ``None`` if there was nothing to read (the socket returned `~errno.EWOULDBLOCK` or equivalent), otherwise returns the data. When possible, should return no more than ``self.read_chunk_size`` bytes at a time.
Reimplemented from tornado.iostream.BaseIOStream.
Definition at line 1330 of file iostream.py.
| def tornado.iostream.PipeIOStream.write_to_fd | ( | self, | |
| data | |||
| ) |
Attempts to write ``data`` to the underlying file. Returns the number of bytes written.
Reimplemented from tornado.iostream.BaseIOStream.
Definition at line 1327 of file iostream.py.
Member Data Documentation
Definition at line 1316 of file iostream.py.
The documentation for this class was generated from the following file: