def run(self):
try:
# acquire a socket
list(self.collection.find())
pool = get_pool(self.collection.database.connection)
socket_info = pool._get_request_state()
assert isinstance(socket_info, SocketInfo)
self.request_sock = socket_info.sock
assert not _closed(self.request_sock)
# Dereference socket_info so it can potentially return to the pool
del socket_info
finally:
self.rendezvous()
# all threads have passed the rendezvous, wait for
# test_server_disconnect() to disconnect the connection
self.state.ev_resume.wait()
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly closed all threads' request sockets, then
# this won't raise AutoReconnect because it will acquire a new socket
assert self.request_sock == pool._get_request_state().sock
list(self.collection.find())
assert self.collection.database.connection.in_request()
assert self.request_sock != pool._get_request_state().sock
self.passed = True
def run(self):
try:
# acquire a socket
list(self.collection.find())
pool = get_pool(self.collection.database.connection)
socket_info = pool._get_request_state()
assert isinstance(socket_info, SocketInfo)
self.request_sock = socket_info.sock
assert not _closed(self.request_sock)
# Dereference socket_info so it can potentially return to the pool
del socket_info
finally:
self.rendezvous()
# all threads have passed the rendezvous, wait for
# test_server_disconnect() to disconnect the connection
self.state.ev_resume.wait()
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly closed all threads' request sockets, then
# this won't raise AutoReconnect because it will acquire a new socket
assert self.request_sock == pool._get_request_state().sock
list(self.collection.find())
assert self.collection.database.connection.in_request()
assert self.request_sock != pool._get_request_state().sock
self.passed = True
def alive(self):
"""Return ``False`` if there has been an error communicating with the
server, else ``True``.
This method attempts to check the status of the server with minimal I/O.
The current thread / greenlet retrieves a socket from the pool (its
request socket if it's in a request, or a random idle socket if it's not
in a request) and checks whether calling `select`_ on it raises an
error. If there are currently no idle sockets, :meth:`alive` will
attempt to actually connect to the server.
A more certain way to determine server availability is::
client.admin.command('ping')
.. _select: http://docs.python.org/2/library/select.html#select.select
"""
# In the common case, a socket is available and was used recently, so
# calling select() on it is a reasonable attempt to see if the OS has
# reported an error. Note this can be wasteful: __socket implicitly
# calls select() if the socket hasn't been checked in the last second,
# or it may create a new socket, in which case calling select() is
# redundant.
try:
sock_info = self.__socket()
return not pool._closed(sock_info.sock)
except (socket.error, ConnectionFailure):
return False
def alive(self):
"""Return ``False`` if there has been an error communicating with the
server, else ``True``.
This method attempts to check the status of the server with minimal I/O.
The current thread / greenlet retrieves a socket from the pool (its
request socket if it's in a request, or a random idle socket if it's not
in a request) and checks whether calling `select`_ on it raises an
error. If there are currently no idle sockets, :meth:`alive` will
attempt to actually connect to the server.
A more certain way to determine server availability is::
client.admin.command('ping')
.. _select: http://docs.python.org/2/library/select.html#select.select
"""
# In the common case, a socket is available and was used recently, so
# calling select() on it is a reasonable attempt to see if the OS has
# reported an error. Note this can be wasteful: __socket implicitly
# calls select() if the socket hasn't been checked in the last second,
# or it may create a new socket, in which case calling select() is
# redundant.
try:
sock_info = self.__socket()
return not pool._closed(sock_info.sock)
except (socket.error, ConnectionFailure):
return False
def before_rendezvous(self):
# acquire a socket
list(self.collection.find())
self.pool = get_pool(self.collection.database.connection)
socket_info = self.pool._get_request_state()
assert isinstance(socket_info, SocketInfo)
self.request_sock = socket_info.sock
assert not _closed(self.request_sock)
def before_rendezvous(self):
# acquire a socket
list(self.collection.find())
pool = get_pool(self.collection.database.connection)
socket_info = pool._get_request_state()
assert isinstance(socket_info, SocketInfo)
self.request_sock = socket_info.sock
assert not _closed(self.request_sock)
def after_rendezvous(self):
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly closed all threads' request sockets, then
# this won't raise AutoReconnect because it will acquire a new socket
assert self.request_sock == self.pool._get_request_state().sock
list(self.collection.find())
assert self.collection.database.connection.in_request()
assert self.request_sock != self.pool._get_request_state().sock
def after_rendezvous(self):
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly replaced the pool, then this won't raise
# AutoReconnect because it will acquire a new socket
list(self.collection.find())
assert self.collection.database.connection.in_request()
pool = get_pool(self.collection.database.connection)
assert self.request_sock != pool._get_request_state().sock
def after_rendezvous(self):
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly replaced the pool, then this won't raise
# AutoReconnect because it will acquire a new socket
list(self.collection.find())
assert self.collection.database.connection.in_request()
pool = get_pool(self.collection.database.connection)
assert self.request_sock != pool._get_request_state().sock
def after_rendezvous(self):
# test_server_disconnect() has closed this socket, but that's ok
# because it's not our request socket anymore
assert _closed(self.request_sock)
# if disconnect() properly closed all threads' request sockets, then
# this won't raise AutoReconnect because it will acquire a new socket
assert self.request_sock == self.pool._get_request_state().sock
list(self.collection.find())
assert self.collection.database.connection.in_request()
assert self.request_sock != self.pool._get_request_state().sock
