Add even more of the source

This should be about everything needed to build so far?

CommonUtilitiesLib/TCPListenerSocket.h

@@ -0,0 +1,87 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ *
+ */
+/*
+    File:       TCPListenerSocket.h
+
+    Contains:   A TCP listener socket. When a new connection comes in, the listener
+                attempts to assign the new connection to a socket object and a Task
+                object. Derived classes must implement a method of getting new
+                Task & socket objects
+                    
+    
+*/
+
+
+#ifndef __TCPLISTENERSOCKET_H__
+#define __TCPLISTENERSOCKET_H__
+
+#include "TCPSocket.h"
+#include "IdleTask.h"
+
+class TCPListenerSocket : public TCPSocket, public IdleTask
+{
+    public:
+
+        TCPListenerSocket() :   TCPSocket(NULL, Socket::kNonBlockingSocketType), IdleTask(),
+                                fAddr(0), fPort(0), fOutOfDescriptors(false), fSleepBetweenAccepts(false) {this->SetTaskName("TCPListenerSocket");}
+        virtual ~TCPListenerSocket() {}
+        
+        //
+        // Send a TCPListenerObject a Kill event to delete it.
+                
+        //addr = listening address. port = listening port. Automatically
+        //starts listening
+        OS_Error        Initialize(UInt32 addr, UInt16 port);
+
+        //You can query the listener to see if it is failing to accept
+        //connections because the OS is out of descriptors.
+        Bool16      IsOutOfDescriptors() { return fOutOfDescriptors; }
+
+        void        SlowDown() { fSleepBetweenAccepts = true; }
+        void        RunNormal() { fSleepBetweenAccepts = false; }
+        //derived object must implement a way of getting tasks & sockets to this object 
+        virtual Task*   GetSessionTask(TCPSocket** outSocket) = 0;
+        
+        virtual SInt64  Run();
+            
+    private:
+    
+        enum
+        {
+            kTimeBetweenAcceptsInMsec = 1000,   //UInt32
+            kListenQueueLength = 128            //UInt32
+        };
+
+        virtual void ProcessEvent(int eventBits);
+        OS_Error    Listen(UInt32 queueLength);
+
+        UInt32          fAddr;
+        UInt16          fPort;
+        
+        Bool16          fOutOfDescriptors;
+        Bool16          fSleepBetweenAccepts;
+};
+#endif // __TCPLISTENERSOCKET_H__
+