OneClientServer¶
-
class
lsst.ts.hexrotcomm.
OneClientServer
(name, host, port, log, connect_callback)¶ Bases:
object
A TCP/IP socket server that serves a single client.
If additional clients try to connect they are rejected (the socket writer is closed).
Parameters: - name :
str
Name used for error messages. Typically “Commands” or “Telemetry”.
- host :
str
orNone
IP address for this server. If
None
then bind to all network interfaces.- port :
int
IP port for this server. If 0 then use a random port.
- log :
logging.Logger
Logger.
- connect_callback : callable or
None
Synchronous function to call when a connection is made or dropped. It receives one argument: this
OneClientServer
.
Attributes Summary
connected
Return True if a client is connected to this socket. Methods Summary
call_connect_callback
()Call the connect_callback if connection state has changed. close
()Close socket server and client socket and set the done_task done. close_client
()Close the connected client socket, if any. set_reader_writer
(reader, writer)Set self.reader and self.writer. start
()Start TCP/IP server. Attributes Documentation
-
connected
¶ Return True if a client is connected to this socket.
Methods Documentation
-
call_connect_callback
()¶ Call the connect_callback if connection state has changed.
-
close
()¶ Close socket server and client socket and set the done_task done.
Always safe to call.
-
close_client
()¶ Close the connected client socket, if any.
-
set_reader_writer
(reader, writer)¶ Set self.reader and self.writer.
Called when a client connects to this server.
Parameters: - reader :
asyncio.SocketReader
Socket reader.
- writer :
asyncio.SocketWriter
Socket writer.
- reader :
-
start
()¶ Start TCP/IP server.
- name :