More work on abstracting socket manager.

node/Node.cpp

@@ -84,8 +84,6 @@ struct _NodeImpl
 {
 	RuntimeEnvironment renv;
 
-	unsigned int udpPort,tcpPort;
-
 	std::string reasonForTerminationStr;
 	volatile Node::ReasonForTermination reasonForTermination;
 
@@ -112,7 +110,6 @@ struct _NodeImpl
 		delete renv.updater;  renv.updater = (SoftwareUpdater *)0;
 		delete renv.nc;       renv.nc = (NodeConfig *)0;            // shut down all networks, close taps, etc.
 		delete renv.topology; renv.topology = (Topology *)0;        // now we no longer need routing info
-		delete renv.sm;       renv.sm = (SocketManager *)0;         // close all sockets
 		delete renv.sw;       renv.sw = (Switch *)0;                // order matters less from here down
 		delete renv.mc;       renv.mc = (Multicaster *)0;
 		delete renv.antiRec;  renv.antiRec = (AntiRecursion *)0;
@@ -222,8 +219,7 @@ Node::Node(
 	const char *hp,
 	EthernetTapFactory *tf,
 	RoutingTable *rt,
-	unsigned int udpPort,
-	unsigned int tcpPort,
+	SocketManager *sm,
 	bool resetIdentity,
 	const char *overrideRootTopology) throw() :
 	_impl(new _NodeImpl)
@@ -236,6 +232,7 @@ Node::Node(
 
 	impl->renv.tapFactory = tf;
 	impl->renv.routingTable = rt;
+	impl->renv.sm = sm;
 
 	if (resetIdentity) {
 		// Forget identity and peer database, peer keys, etc.
@@ -255,8 +252,6 @@ Node::Node(
 		}
 	}
 
-	impl->udpPort = udpPort & 0xffff;
-	impl->tcpPort = tcpPort & 0xffff;
 	impl->reasonForTermination = Node::NODE_RUNNING;
 	impl->started = false;
 	impl->running = false;
@@ -400,7 +395,6 @@ Node::ReasonForTermination Node::run()
 		RR->antiRec = new AntiRecursion();
 		RR->mc = new Multicaster(RR);
 		RR->sw = new Switch(RR);
-		RR->sm = new SocketManager(impl->udpPort,impl->tcpPort,&_CBztTraffic,RR);
 		RR->topology = new Topology(RR);
 		try {
 			RR->nc = new NodeConfig(RR);
@@ -666,7 +660,7 @@ Node::ReasonForTermination Node::run()
 			try {
 				unsigned long delay = std::min((unsigned long)ZT_MAX_SERVICE_LOOP_INTERVAL,RR->sw->doTimerTasks());
 				uint64_t start = Utils::now();
-				RR->sm->poll(delay);
+				RR->sm->poll(delay,&_CBztTraffic,RR);
 				lastDelayDelta = (long)(Utils::now() - start) - (long)delay; // used to detect sleep/wake
 			} catch (std::exception &exc) {
 				LOG("unexpected exception running Switch doTimerTasks: %s",exc.what());

node/Node.hpp

@@ -36,6 +36,7 @@ namespace ZeroTier {
 
 class EthernetTapFactory;
 class RoutingTable;
+class SocketManager;
 
 /**
  * A ZeroTier One node
@@ -85,8 +86,7 @@ public:
 	 * @param hp Home directory path or NULL for system-wide default for this platform
 	 * @param tf Ethernet tap factory for platform network stack
 	 * @param rt Routing table interface for platform network stack
-	 * @param udpPort UDP port or 0 to disable
-	 * @param tcpPort TCP port or 0 to disable
+	 * @param sm Socket manager for physical network I/O
 	 * @param resetIdentity If true, delete identity before starting and regenerate
 	 * @param overrideRootTopology Override root topology with this dictionary (in string serialized format) and do not update (default: NULL for none)
 	 */
@@ -94,8 +94,7 @@ public:
 		const char *hp,
 		EthernetTapFactory *tf,
 		RoutingTable *rt,
-		unsigned int udpPort,
-		unsigned int tcpPort,
+		SocketManager *sm,
 		bool resetIdentity,
 		const char *overrideRootTopology = (const char *)0) throw();
 

node/RuntimeEnvironment.hpp

@@ -75,13 +75,13 @@ public:
 		timeOfLastPacketReceived(0),
 		tapFactory((EthernetTapFactory *)0),
 		routingTable((RoutingTable *)0),
+		sm((SocketManager *)0),
 		log((Logger *)0),
 		prng((CMWC4096 *)0),
 		http((HttpClient *)0),
 		antiRec((AntiRecursion *)0),
 		mc((Multicaster *)0),
 		sw((Switch *)0),
-		sm((SocketManager *)0),
 		topology((Topology *)0),
 		nc((NodeConfig *)0),
 		node((Node *)0),
@@ -117,6 +117,7 @@ public:
 	// These are passed in from outside and are not created or deleted by the ZeroTier node core
 	EthernetTapFactory *tapFactory;
 	RoutingTable *routingTable;
+	SocketManager *sm;
 
 	/*
 	 * Order matters a bit here. These are constructed in this order
@@ -132,7 +133,6 @@ public:
 	AntiRecursion *antiRec;
 	Multicaster *mc;
 	Switch *sw;
-	SocketManager *sm;
 	Topology *topology;
 	NodeConfig *nc;
 	Node *node;

node/SocketManager.hpp

@@ -48,9 +48,7 @@ namespace ZeroTier {
 class SocketManager : NonCopyable
 {
 public:
-	SocketManager(void (*packetHandler)(const SharedPtr<Socket> &,void *,const InetAddress &,Buffer<ZT_SOCKET_MAX_MESSAGE_LEN> &),void *arg) :
-		_packetHandler(packetHandler),
-		_arg(arg) {}
+	SocketManager() {}
 	virtual ~SocketManager() {}
 
 	/**
@@ -87,8 +85,13 @@ public:
 	 * If called concurrently, one will block until the other completes.
 	 *
 	 * @param timeout Timeout in milliseconds, may return sooner if whack() is called
+	 * @param handler Packet data handler
+	 * @param arg Void argument to packet data handler
 	 */
-	virtual void poll(unsigned long timeout) = 0;
+	virtual void poll(
+		unsigned long timeout,
+		void (*handler)(const SharedPtr<Socket> &,void *,const InetAddress &,Buffer<ZT_SOCKET_MAX_MESSAGE_LEN> &),
+		void *arg);
 
 	/**
 	 * Cause current or next blocking poll() operation to timeout immediately
@@ -99,10 +102,6 @@ public:
 	 * Close TCP sockets
 	 */
 	virtual void closeTcpSockets() = 0;
-
-protected:
-	void (*_packetHandler)(const SharedPtr<Socket> &,void *,const InetAddress &,Buffer<ZT_SOCKET_MAX_MESSAGE_LEN> &);
-	void *_arg;
 };
 
 } // namespace ZeroTier