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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2019-01-18 12:07:38 +0000
committerAmber Brown <hawkowl@atleastfornow.net>2019-01-18 23:07:38 +1100
commitde6888e7ce7ec58e8b7935e35bb6572504cae873 (patch)
treedc4918a9fb5c347a808f9c1be263824693f55162 /synapse/http/endpoint.py
parentFix incorrect logcontexts after a Deferred was cancelled (#4407) (diff)
downloadsynapse-de6888e7ce7ec58e8b7935e35bb6572504cae873.tar.xz
Remove redundant WrappedConnection (#4409)
* Remove redundant WrappedConnection

The matrix federation client uses an HTTP connection pool, which times out its
idle HTTP connections, so there is no need for any of this business.

Diffstat (limited to 'synapse/http/endpoint.py')
-rw-r--r--synapse/http/endpoint.py75
1 files changed, 4 insertions, 71 deletions
diff --git a/synapse/http/endpoint.py b/synapse/http/endpoint.py
index f86a0b624e..1c3b7ea28a 100644
--- a/synapse/http/endpoint.py
+++ b/synapse/http/endpoint.py
@@ -140,82 +140,15 @@ def matrix_federation_endpoint(reactor, destination, tls_client_options_factory=
         default_port = 8448
 
     if port is None:
-        return _WrappingEndpointFac(SRVClientEndpoint(
+        return SRVClientEndpoint(
             reactor, "matrix", domain, protocol="tcp",
             default_port=default_port, endpoint=transport_endpoint,
             endpoint_kw_args=endpoint_kw_args
-        ), reactor)
+        )
     else:
-        return _WrappingEndpointFac(transport_endpoint(
+        return transport_endpoint(
             reactor, domain, port, **endpoint_kw_args
-        ), reactor)
-
-
-class _WrappingEndpointFac(object):
-    def __init__(self, endpoint_fac, reactor):
-        self.endpoint_fac = endpoint_fac
-        self.reactor = reactor
-
-    @defer.inlineCallbacks
-    def connect(self, protocolFactory):
-        conn = yield self.endpoint_fac.connect(protocolFactory)
-        conn = _WrappedConnection(conn, self.reactor)
-        defer.returnValue(conn)
-
-
-class _WrappedConnection(object):
-    """Wraps a connection and calls abort on it if it hasn't seen any action
-    for 2.5-3 minutes.
-    """
-    __slots__ = ["conn", "last_request"]
-
-    def __init__(self, conn, reactor):
-        object.__setattr__(self, "conn", conn)
-        object.__setattr__(self, "last_request", time.time())
-        self._reactor = reactor
-
-    def __getattr__(self, name):
-        return getattr(self.conn, name)
-
-    def __setattr__(self, name, value):
-        setattr(self.conn, name, value)
-
-    def _time_things_out_maybe(self):
-        # We use a slightly shorter timeout here just in case the callLater is
-        # triggered early. Paranoia ftw.
-        # TODO: Cancel the previous callLater rather than comparing time.time()?
-        if time.time() - self.last_request >= 2.5 * 60:
-            self.abort()
-            # Abort the underlying TLS connection. The abort() method calls
-            # loseConnection() on the TLS connection which tries to
-            # shutdown the connection cleanly. We call abortConnection()
-            # since that will promptly close the TLS connection.
-            #
-            # In Twisted >18.4; the TLS connection will be None if it has closed
-            # which will make abortConnection() throw. Check that the TLS connection
-            # is not None before trying to close it.
-            if self.transport.getHandle() is not None:
-                self.transport.abortConnection()
-
-    def request(self, request):
-        self.last_request = time.time()
-
-        # Time this connection out if we haven't send a request in the last
-        # N minutes
-        # TODO: Cancel the previous callLater?
-        self._reactor.callLater(3 * 60, self._time_things_out_maybe)
-
-        d = self.conn.request(request)
-
-        def update_request_time(res):
-            self.last_request = time.time()
-            # TODO: Cancel the previous callLater?
-            self._reactor.callLater(3 * 60, self._time_things_out_maybe)
-            return res
-
-        d.addCallback(update_request_time)
-
-        return d
+        )
 
 
 class SRVClientEndpoint(object):