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pc_rpc/BestEffortClient: add docstrings

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This commit is contained in:
Sebastien Bourdeauducq 2015-02-12 00:50:48 +08:00
parent b396f5dd43
commit 1b3603d8bf
1 changed files with 18 additions and 0 deletions
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18
artiq/protocols/pc_rpc.py
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@ -250,6 +250,18 @@ class AsyncioClient:
class BestEffortClient:
"""This class is similar to :class:`artiq.protocols.pc_rpc.Client`, but
network errors are suppressed and connections are retried in the
background.
RPC calls that failed because of network errors return ``None``.
:param firstcon_timeout: Timeout to use during the first (blocking)
connection attempt at object initialization.
:param retry: Amount of time to wait between retries when reconnecting
in the background.
"""
def __init__(self, host, port, target_name,
firstcon_timeout=0.5, retry=5.0):
self.__host = host
@ -306,6 +318,11 @@ class BestEffortClient:
self.__conretry_thread = None
def close_rpc(self):
"""Closes the connection to the RPC server.
No further method calls should be done after this method is called.
"""
if self.__conretry_thread is None:
if self.__socket is not None:
self.__socket.close()
@ -341,6 +358,7 @@ class BestEffortClient:
"in the background",
self.__host, self.__port, self.__target_name)
self.__start_conretry()
return None
else:
if obj["status"] == "ok":
return obj["ret"]