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<title>[12005] CalendarServer/trunk/twext/application/masterchild.py</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/12005">12005</a></dd>
<dt>Author</dt> <dd>wsanchez@apple.com</dd>
<dt>Date</dt> <dd>2013-11-22 21:18:48 -0800 (Fri, 22 Nov 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>Wire up enough that child gets spawned.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#CalendarServertrunktwextapplicationmasterchildpy">CalendarServer/trunk/twext/application/masterchild.py</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="CalendarServertrunktwextapplicationmasterchildpy"></a>
<div class="modfile"><h4>Modified: CalendarServer/trunk/twext/application/masterchild.py (12004 => 12005)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/trunk/twext/application/masterchild.py        2013-11-23 05:18:12 UTC (rev 12004)
+++ CalendarServer/trunk/twext/application/masterchild.py        2013-11-23 05:18:48 UTC (rev 12005)
</span><span class="lines">@@ -57,7 +57,7 @@
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx">     def sendSocket(self, socketObject):
</span><del>-        self.spawningService.socketWillArrive()
</del><ins>+        self.spawningService.socketWillArriveForProtocol(self.description)
</ins><span class="cx">         super(SpawningInheritingProtocolFactory, self).sendSocket(socketObject)
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="lines">@@ -79,9 +79,8 @@
</span><span class="cx">         spawningService.setServiceParent(service)
</span><span class="cx"> 
</span><span class="cx">         # TCP Service
</span><del>-        description = bytes(childProtocol)  # UserInfo sent to the dispatcher
</del><span class="cx">         tcpFactory = SpawningInheritingProtocolFactory(
</span><del>-            dispatcher, spawningService, description
</del><ins>+            dispatcher, spawningService, childProtocol
</ins><span class="cx">         )
</span><span class="cx">         tcpService = TCPServer(port, tcpFactory)
</span><span class="cx"> 
</span><span class="lines">@@ -98,14 +97,16 @@
</span><span class="cx"> class ChildSpawningService(Service, object):
</span><span class="cx">     log = Logger()
</span><span class="cx"> 
</span><del>-    def __init__(self, dispatcher, protocolName, maxProcessCount=8):
</del><ins>+    pluginName = b&quot;child&quot;
+
+
+    def __init__(self, dispatcher, maxProcessCount=8):
</ins><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         @param protocol: The name of the protocol for the child to use
</span><span class="cx">             to handle connections.
</span><span class="cx">         @type protocol: L{str} naming an L{IProtocol} implementer.
</span><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         self.dispatcher = dispatcher
</span><del>-        self.protocolName = protocolName
</del><span class="cx">         self.maxProcessCount = maxProcessCount
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="lines">@@ -119,17 +120,17 @@
</span><span class="cx">         del(self.children)
</span><span class="cx"> 
</span><span class="cx"> 
</span><del>-    def socketWillArrive(self):
</del><ins>+    def socketWillArriveForProtocol(self, protocolName):
</ins><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         This method is where this service makes sure that there are
</span><span class="cx">         sufficient child processes available to handle additional
</span><span class="cx">         connections.
</span><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         if len(self.children) == 0:
</span><del>-            self.spawnChild()
</del><ins>+            self.spawnChild(protocolName)
</ins><span class="cx"> 
</span><span class="cx"> 
</span><del>-    def spawnChild(self):
</del><ins>+    def spawnChild(self, protocolName):
</ins><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         Spawn a child process to handle connections.
</span><span class="cx">         &quot;&quot;&quot;
</span><span class="lines">@@ -143,13 +144,18 @@
</span><span class="cx">         arguments = (
</span><span class="cx">             sys.executable, b&quot;-c&quot;,
</span><span class="cx">             b&quot;from twisted.scripts.twistd import run; run()&quot;,
</span><del>-            b&quot;--inherited-fd&quot;, b&quot;3&quot;,
-            b&quot;--protocol&quot;, self.protocolName,
</del><ins>+            b&quot;--pidfile&quot;, b&quot;/dev/null&quot;,
+            b&quot;--logfile&quot;, b&quot;-&quot;,
+            self.pluginName,
+            b&quot;--inherited-fd=3&quot;,
+            b&quot;--protocol&quot;, protocolName,
</ins><span class="cx">         )
</span><span class="cx"> 
</span><span class="cx">         transport = reactor.spawnProcess(
</span><span class="cx">             processProtocol,
</span><del>-            sys.executable, arguments, env={},
</del><ins>+            sys.executable, arguments, env={
+                b&quot;PYTHONPATH&quot;: b&quot;:&quot;.join(sys.path),
+            },
</ins><span class="cx">             childFDs={0: b&quot;w&quot;, 1: b&quot;r&quot;, 2: b&quot;r&quot;, 3: inheritedFD}
</span><span class="cx">         )
</span><span class="cx"> 
</span><span class="lines">@@ -158,7 +164,7 @@
</span><span class="cx">         self.log.info(
</span><span class="cx">             u&quot;Spawned child process ({child.transport.pid}) &quot;
</span><span class="cx">             u&quot;for protocol {protocol!r}: {arguments}&quot;,
</span><del>-            child=child, protocol=self.protocolName, arguments=arguments,
</del><ins>+            child=child, protocol=protocolName, arguments=arguments,
</ins><span class="cx">         )
</span><span class="cx"> 
</span><span class="cx">         self.children.add(child)
</span><span class="lines">@@ -223,7 +229,11 @@
</span><span class="cx"> 
</span><span class="cx"> 
</span><span class="cx"> 
</span><del>-class ChildOptions (Options):
</del><ins>+class ChildOptions(Options):
+    &quot;&quot;&quot;
+    Options for a child process.
+    &quot;&quot;&quot;
+
</ins><span class="cx">     def opt_inherited_fd(self, value):
</span><span class="cx">         &quot;&quot;&quot;
</span><span class="cx">         Inherited file descriptor
</span><span class="lines">@@ -367,5 +377,12 @@
</span><span class="cx">         )
</span><span class="cx"> 
</span><span class="cx"> 
</span><ins>+    @staticmethod
+    def statusesChanged(statuses):
+        # FIXME: THis isn't in IStatusWatcher, but is called by
+        # InheritedSocketDispatcher.
+        pass
</ins><span class="cx"> 
</span><ins>+
+
</ins><span class="cx"> Status = namedtuple(&quot;Status&quot;, (&quot;sentCount&quot;, &quot;ackedCount&quot;))
</span></span></pre>
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