[Sanity] Refactor

A refactor that moves shared code and vendor code
to separate folders, and also removes code duplication
between the Mac client and the iPhone client.
This also gives a much cleaner abstraction between
code that handles view drawing and the socket
and measurment.

SignpostDemoServer/SignpostDemoServer/ServerSocketHandler.h → SharedCode/ServerSocketHandler.h

@@ -42,7 +42,6 @@ typedef void(^JitterUpdatesCallback)(double, double);
 }
 
 - (id)initWithLogHandlerMessage:(LogHandler)message logHandlerError:(LogHandler)error logHandlerInfo:(LogHandler)info;
-
 - (void)setJitterCallbackUpdate:(JitterUpdatesCallback)callback;
 
 // Returns YES if is running as a result, and NO if it isn't.

SharedCode/SocketHandler.h

@@ -0,0 +1,73 @@
+//
+//  SocketHandler.h
+//  SignpostDemoClient
+//
+//  Created by Sebastian Eide on 18/05/2012.
+//  Copyright (c) 2012 Kle.io. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+typedef void(^ControlsToggle)(BOOL);
+typedef void(^LogHandler)(NSString *);
+// The block is called with jitterSeenLocally, jitterSeenByServer
+typedef void(^JitterUpdatesCallback)(double, double);
+// Called with downstream bandwidth, client latency, upstream bandwidth, server latency
+typedef void(^GoodputLatency)(double, double, double, double);
+
+@class GCDAsyncSocket;
+@class GCDAsyncUdpSocket;
+@class SharedCode;
+
+@interface SocketHandler : NSObject
+{
+  // Latency and goodput
+  dispatch_queue_t socketQueue;
+	GCDAsyncSocket *socket;
+
+  // Jitter
+  dispatch_queue_t jitterSocketQueue;
+	GCDAsyncUdpSocket *jitterSocket;
+
+  // General bookkeeping
+	BOOL isConnected;
+
+  SharedCode *commonFunc;
+
+  // For calculating jitter
+  NSUInteger serverJitterPort;
+  NSMutableArray *interarrivalTimesOfJitterMessages;
+  NSDate *lastReceivedMessage;
+
+  // The jitter seen by the server
+  double serverJitter;
+  NSString *serverhost;
+
+  // Goodput
+  double downstreamBandwidth;
+  double upstreamBandwidth;
+
+  // Latency
+  double clientLatency;
+  double serverLatency;
+
+  // Timers for latency and bandwidth measurements
+  NSDate *startTimerLatency, *startTimerBandwidth;
+
+  LogHandler callbackLogMessage;
+  LogHandler callbackLogError;
+  LogHandler callbackLogInfo;
+  JitterUpdatesCallback jitterUpdatesCallback;
+  ControlsToggle controlsToggleCallback;
+  GoodputLatency goodputLatencyCallback;
+}
+
+- (id)initWithLogHandlerMessage:(LogHandler)message logHandlerError:(LogHandler)error logHandlerInfo:(LogHandler)info;
+- (void)setJitterCallbackUpdate:(JitterUpdatesCallback)callback;
+- (void)setControlsToggleCallback:(ControlsToggle)callback;
+- (void)setGoodputLatencyCallback:(GoodputLatency)callback;
+
+- (void)startStopSocketForHost:(NSString*)host port:(NSUInteger)port;
+- (void) startPingPangPongData;
+
+@end