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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/14748">14748</a></dd>
<dt>Author</dt> <dd>sagen@apple.com</dd>
<dt>Date</dt> <dd>2015-05-04 20:33:50 -0700 (Mon, 04 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Starting work on unix domain socket file support</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#twexttrunktwextinternetsendfdportpy">twext/trunk/twext/internet/sendfdport.py</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#twexttrunktwextinternetsocketfilepy">twext/trunk/twext/internet/socketfile.py</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="twexttrunktwextinternetsendfdportpy"></a>
<div class="modfile"><h4>Modified: twext/trunk/twext/internet/sendfdport.py (14747 => 14748)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/internet/sendfdport.py        2015-05-05 03:20:10 UTC (rev 14747)
+++ twext/trunk/twext/internet/sendfdport.py        2015-05-05 03:33:50 UTC (rev 14748)
</span><span class="lines">@@ -511,6 +511,9 @@
</span><span class="cx">                     peeraddr = skt.getpeername()
</span><span class="cx">                 except SocketError:
</span><span class="cx">                     peeraddr = ('0.0.0.0', 0)
</span><ins>+                # FIXME: when using UNIX Domain sockets, peeraddr = &quot;&quot;
+                if not peeraddr:
+                    peeraddr = ('0.0.0.0', 0)
</ins><span class="cx">                 protocol = self.protocolFactory.buildProtocol(peeraddr)
</span><span class="cx">                 transport = self.transportFactory(skt, peeraddr,
</span><span class="cx">                                                   description, protocol)
</span></span></pre></div>
<a id="twexttrunktwextinternetsocketfilepy"></a>
<div class="addfile"><h4>Added: twext/trunk/twext/internet/socketfile.py (0 => 14748)</h4>
<pre class="diff"><span>
<span class="info">--- twext/trunk/twext/internet/socketfile.py                                (rev 0)
+++ twext/trunk/twext/internet/socketfile.py        2015-05-05 03:33:50 UTC (rev 14748)
</span><span class="lines">@@ -0,0 +1,116 @@
</span><ins>+##
+# Copyright (c) 2015 Apple Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+##
+
+&quot;&quot;&quot;
+Socket file implementation for MaxAccept
+&quot;&quot;&quot;
+
+__all__ = [
+    &quot;MaxAcceptSocketFileServer&quot;,
+]
+
+
+from twisted.application import service
+from twisted.internet import endpoints
+from twisted.internet.defer import succeed, inlineCallbacks
+
+from twext.python.log import Logger
+
+log = Logger()
+
+
+
+# class MaxAcceptPortMixin(object):
+#     &quot;&quot;&quot;
+#     Mixin for resetting maxAccepts.
+#     &quot;&quot;&quot;
+#     def doRead(self):
+#         self.numberAccepts = min(
+#             self.factory.maxRequests - self.factory.outstandingRequests,
+#             self.factory.maxAccepts
+#         )
+#         tcp.Port.doRead(self)
+
+
+
+# class MaxAcceptTCPPort(MaxAcceptPortMixin, tcp.Port):
+#     &quot;&quot;&quot;
+#     Use for non-inheriting tcp ports.
+#     &quot;&quot;&quot;
+
+
+
+
+
+
+
+def _allConnectionsClosed(protocolFactory):
+    &quot;&quot;&quot;
+    Check to see if protocolFactory implements allConnectionsClosed( ) and
+    if so, call it.  Otherwise, return immediately.
+    This allows graceful shutdown by waiting for all requests to be completed.
+
+    @param protocolFactory: (usually) an HTTPFactory implementing
+        allConnectionsClosed which returns a Deferred which fires when all
+        connections are closed.
+
+    @return: A Deferred firing None when all connections are closed, or
+        immediately if the given factory does not track its connections (e.g.
+        InheritingProtocolFactory)
+    &quot;&quot;&quot;
+    if hasattr(protocolFactory, &quot;allConnectionsClosed&quot;):
+        return protocolFactory.allConnectionsClosed()
+    return succeed(None)
+
+
+
+
+class MaxAcceptSocketFileServer(service.Service):
+    &quot;&quot;&quot;
+    Socket File server
+
+    @ivar myPort: When running, this is set to the L{IListeningPort} being
+        managed by this service.
+    &quot;&quot;&quot;
+
+    def __init__(self, protocolFactory, address, backlog=None):
+        self.protocolFactory = protocolFactory
+        self.protocolFactory.myServer = self
+        self.address = address
+        self.backlog = backlog
+        self.myPort = None
+
+
+    @inlineCallbacks
+    def startService(self):
+        from twisted.internet import reactor
+        endpoint = endpoints.UNIXServerEndpoint(
+            reactor, self.address, backlog=self.backlog,
+        )
+        self.myPort = yield endpoint.listen(self.protocolFactory)
+
+
+    @inlineCallbacks
+    def stopService(self):
+        &quot;&quot;&quot;
+        Wait for outstanding requests to finish
+
+        @return: a Deferred which fires when all outstanding requests are
+            complete
+        &quot;&quot;&quot;
+        if self.myPort is not None:
+            yield self.myPort.stopListening()
+        yield _allConnectionsClosed(self.protocolFactory)
</ins></span></pre>
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