diff --git a/lib/cocoa/src/TProcessor.h b/lib/cocoa/src/TProcessor.h
index e361d96..980be94 100644
--- a/lib/cocoa/src/TProcessor.h
+++ b/lib/cocoa/src/TProcessor.h
@@ -18,6 +18,7 @@
  */
 
 #import <Foundation/Foundation.h>
+#import "TProtocol.h"
 
 
 @protocol TProcessor <NSObject>
diff --git a/lib/cocoa/src/TProcessorFactory.h b/lib/cocoa/src/TProcessorFactory.h
new file mode 100644
index 0000000..29d12b3
--- /dev/null
+++ b/lib/cocoa/src/TProcessorFactory.h
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); 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
+ * "AS IS" 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.
+ */
+
+#import <Foundation/Foundation.h>
+#import "TProcessor.h"
+
+@protocol TProcessorFactory <NSObject>
+
+- (id<TProcessor>) processorForTransport: (id<TTransport>) transport;
+
+@end
diff --git a/lib/cocoa/src/TSharedProcessorFactory.h b/lib/cocoa/src/TSharedProcessorFactory.h
new file mode 100644
index 0000000..d3e55c4
--- /dev/null
+++ b/lib/cocoa/src/TSharedProcessorFactory.h
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); 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
+ * "AS IS" 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.
+ */
+
+#import <Foundation/Foundation.h>
+#import "TProcessorFactory.h"
+
+@interface TSharedProcessorFactory : NSObject <TProcessorFactory> {
+  id<TProcessor> mSharedProcessor;
+}
+
+@end
diff --git a/lib/cocoa/src/TSharedProcessorFactory.m b/lib/cocoa/src/TSharedProcessorFactory.m
new file mode 100644
index 0000000..b38e73a
--- /dev/null
+++ b/lib/cocoa/src/TSharedProcessorFactory.m
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); 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
+ * "AS IS" 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.
+ */
+
+
+#import "TSharedProcessorFactory.h"
+
+
+@implementation TSharedProcessorFactory
+
+
+- (id) initWithSharedProcessor: (id<TProcessor>) sharedProcessor
+{
+  self = [super init];
+  if (!self) {
+    return nil;
+  }
+  
+  mSharedProcessor = [sharedProcessor retain];
+  return self;
+}
+
+
+- (void) dealloc
+{
+  [mSharedProcessor release];
+  [super dealloc];
+}
+
+
+- (id<TProcessor>) processorForTransport: (id<TTransport>) transport
+{
+  return [[mSharedProcessor retain] autorelease];
+}
+
+@end
diff --git a/lib/cocoa/src/server/TSocketServer.h b/lib/cocoa/src/server/TSocketServer.h
index e107aaa..0d66404 100644
--- a/lib/cocoa/src/server/TSocketServer.h
+++ b/lib/cocoa/src/server/TSocketServer.h
@@ -19,7 +19,17 @@
 
 #import <Foundation/Foundation.h>
 #import "TProtocolFactory.h"
-#import "TProcessor.h"
+#import "TProcessorFactory.h"
+
+#if !TARGET_OS_IPHONE
+#import <CoreServices/CoreServices.h>
+#else
+#import <CFNetwork/CFNetwork.h>
+#endif
+
+extern NSString * const kTSocketServer_ClientConnectionFinishedForProcessorNotification;
+extern NSString * const kTSocketServer_ProcessorKey;
+extern NSString * const kTSockerServer_TransportKey;
 
 
 @interface TSocketServer : NSObject {
@@ -27,12 +37,12 @@
   NSFileHandle * mSocketFileHandle;
   id <TProtocolFactory> mInputProtocolFactory;
   id <TProtocolFactory> mOutputProtocolFactory;
-  id <TProcessor> mProcessor;
+  id <TProcessorFactory> mProcessorFactory;
 }
 
 - (id) initWithPort: (int) port
     protocolFactory: (id <TProtocolFactory>) protocolFactory
-          processor: (id <TProcessor>) processor;
+   processorFactory: (id <TProcessorFactory>) processorFactory;
 
 @end
 
diff --git a/lib/cocoa/src/server/TSocketServer.m b/lib/cocoa/src/server/TSocketServer.m
index 5feb9b6..56a5bea 100644
--- a/lib/cocoa/src/server/TSocketServer.m
+++ b/lib/cocoa/src/server/TSocketServer.m
@@ -22,54 +22,77 @@
 #import "TNSFileHandleTransport.h"
 #import "TProtocol.h"
 #import "TTransportException.h"
+#import <sys/socket.h>
+#include <netinet/in.h>
+
+
+
+NSString * const kTSocketServer_ClientConnectionFinishedForProcessorNotification = @"TSocketServer_ClientConnectionFinishedForProcessorNotification";
+NSString * const kTSocketServer_ProcessorKey = @"TSocketServer_Processor";
+NSString * const kTSockerServer_TransportKey = @"TSockerServer_Transport";
 
 
 @implementation TSocketServer
 
 - (id) initWithPort: (int) port
     protocolFactory: (id <TProtocolFactory>) protocolFactory
-          processor: (id <TProcessor>) processor;
+   processorFactory: (id <TProcessorFactory>) processorFactory;
 {
   self = [super init];
 
   mInputProtocolFactory = [protocolFactory retain];
   mOutputProtocolFactory = [protocolFactory retain];
-  mProcessor = [processor retain];
+  mProcessorFactory = [processorFactory retain];
 
-  // create a socket
-  mServerSocket = [[NSSocketPort alloc] initWithTCPPort: port];
-  // FIXME - move this separate start method and add method to close
-  // and cleanup any open ports
+  // create a socket.
+  int fd = -1;
+  CFSocketRef socket = CFSocketCreate(kCFAllocatorDefault, PF_INET, SOCK_STREAM, IPPROTO_TCP, 0, NULL, NULL);
+  if (socket) {
+    fd = CFSocketGetNative(socket);
+    int yes = 1;
+    setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *)&yes, sizeof(yes));
 
-  if (mServerSocket == nil) {
-    NSLog(@"Unable to listen on TCP port %d", port);
+    struct sockaddr_in addr;
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_len = sizeof(addr);
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons(port);
+    addr.sin_addr.s_addr = htonl(INADDR_ANY);
+    NSData *address = [NSData dataWithBytes:&addr length:sizeof(addr)];
+    if (CFSocketSetAddress(socket, (CFDataRef)address) != kCFSocketSuccess) {
+      NSLog(@"*** Could not bind to address");
+      return nil;
+    }
   } else {
-    NSLog(@"Listening on TCP port %d", port);
-
-    // wrap it in a file handle so we can get messages from it
-    mSocketFileHandle = [[NSFileHandle alloc] initWithFileDescriptor: [mServerSocket socket]
-                                                      closeOnDealloc: YES];
-
-    // register for notifications of accepted incoming connections
-    [[NSNotificationCenter defaultCenter] addObserver: self
-                                             selector: @selector(connectionAccepted:)
-                                                 name: NSFileHandleConnectionAcceptedNotification
-                                               object: mSocketFileHandle];
-
-    // tell socket to listen
-    [mSocketFileHandle acceptConnectionInBackgroundAndNotify];
+    NSLog(@"*** No server socket");
+    return nil;
   }
-
+  
+  // wrap it in a file handle so we can get messages from it
+  mSocketFileHandle = [[NSFileHandle alloc] initWithFileDescriptor: fd
+                                                    closeOnDealloc: YES];
+  
+    // register for notifications of accepted incoming connections
+  [[NSNotificationCenter defaultCenter] addObserver: self
+                                           selector: @selector(connectionAccepted:)
+                                               name: NSFileHandleConnectionAcceptedNotification
+                                             object: mSocketFileHandle];
+  
+  // tell socket to listen
+  [mSocketFileHandle acceptConnectionInBackgroundAndNotify];
+  
+  NSLog(@"Listening on TCP port %d", port);
+  
   return self;
 }
 
 
 - (void) dealloc {
+  [[NSNotificationCenter defaultCenter] removeObject: self];
   [mInputProtocolFactory release];
   [mOutputProtocolFactory release];
-  [mProcessor release];
+  [mProcessorFactory release];
   [mSocketFileHandle release];
-  [mServerSocket release];
   [super dealloc];
 }
 
@@ -90,19 +113,35 @@
 - (void) handleClientConnection: (NSFileHandle *) clientSocket
 {
   NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
-
+  
   TNSFileHandleTransport * transport = [[TNSFileHandleTransport alloc] initWithFileHandle: clientSocket];
-
+  id<TProcessor> processor = [mProcessorFactory processorForTransport: transport];
+  
   id <TProtocol> inProtocol = [mInputProtocolFactory newProtocolOnTransport: transport];
   id <TProtocol> outProtocol = [mOutputProtocolFactory newProtocolOnTransport: transport];
 
   @try {
-    while ([mProcessor processOnInputProtocol: inProtocol outputProtocol: outProtocol]);
+    BOOL result = NO;
+    do {
+      NSAutoreleasePool * myPool = [[NSAutoreleasePool alloc] init];
+      result = [processor processOnInputProtocol: inProtocol outputProtocol: outProtocol];
+      [myPool release];
+    } while (result);
   }
   @catch (TTransportException * te) {
-    NSLog(@"%@", te);
+    //NSLog(@"Caught transport exception, abandoning client connection: %@", te);
   }
 
+  NSNotification * n = [NSNotification notificationWithName: kTSocketServer_ClientConnectionFinishedForProcessorNotification
+                                                     object: self
+                                                   userInfo: [NSDictionary dictionaryWithObjectsAndKeys: 
+                                                              processor,
+                                                              kTSocketServer_ProcessorKey,
+                                                              transport,
+                                                              kTSockerServer_TransportKey,
+                                                              nil]];
+  [[NSNotificationCenter defaultCenter] performSelectorOnMainThread: @selector(postNotification:) withObject: n waitUntilDone: YES];
+  
   [pool release];
 }
 
diff --git a/lib/cocoa/src/transport/TNSFileHandleTransport.m b/lib/cocoa/src/transport/TNSFileHandleTransport.m
index 1533934..b218218 100644
--- a/lib/cocoa/src/transport/TNSFileHandleTransport.m
+++ b/lib/cocoa/src/transport/TNSFileHandleTransport.m
@@ -72,8 +72,12 @@
                                                      length: length
                                                freeWhenDone: NO];
 
-  [mOutputFileHandle writeData: dataObject];
-
+  @try {
+    [mOutputFileHandle writeData: dataObject];
+  } @catch (NSException * e) {
+    @throw [TTransportException exceptionWithName: @"TTransportException"
+                                           reason: [NSString stringWithFormat: @"%s: Unable to write data: %@", __PRETTY_FUNCTION__, e]];
+  }
 
   [dataObject release];
 }