Refactor and simplify controller integration with JSON API and OneService.

one.cpp

@@ -72,12 +72,7 @@
 
 #include "service/OneService.hpp"
 
-#ifdef ZT_ENABLE_NETWORK_CONTROLLER
-#include "controller/SqliteNetworkController.hpp"
-#endif
-
 #define ZT1_PID_PATH "zerotier-one.pid"
-#define ZT1_CONTROLLER_DB_PATH "controller.db"
 
 using namespace ZeroTier;
 
@@ -1129,19 +1124,6 @@ int main(int argc,char **argv)
 	}
 #endif // __WINDOWS__
 
-	NetworkController *controller = (NetworkController *)0;
-#ifdef ZT_ENABLE_NETWORK_CONTROLLER
-	try {
-		controller = new SqliteNetworkController((homeDir + ZT_PATH_SEPARATOR_S + ZT1_CONTROLLER_DB_PATH).c_str());
-	} catch (std::exception &exc) {
-		fprintf(stderr,"%s: failure initializing SqliteNetworkController: %s"ZT_EOL_S,argv[0],exc.what());
-		return 1;
-	} catch ( ... ) {
-		fprintf(stderr,"%s: failure initializing SqliteNetworkController: unknown exception"ZT_EOL_S,argv[0]);
-		return 1;
-	}
-#endif // ZT_ENABLE_NETWORK_CONTROLLER
-
 #ifdef __UNIX_LIKE__
 	std::string pidPath(homeDir + ZT_PATH_SEPARATOR_S + ZT1_PID_PATH);
 	{
@@ -1158,7 +1140,7 @@ int main(int argc,char **argv)
 
 	try {
 		for(;;) {
-			zt1Service = OneService::newInstance(homeDir.c_str(),port,controller,(overrideRootTopology.length() > 0) ? overrideRootTopology.c_str() : (const char *)0);
+			zt1Service = OneService::newInstance(homeDir.c_str(),port,(overrideRootTopology.length() > 0) ? overrideRootTopology.c_str() : (const char *)0);
 			switch(zt1Service->run()) {
 				case OneService::ONE_STILL_RUNNING: // shouldn't happen, run() won't return until done
 				case OneService::ONE_NORMAL_TERMINATION:
@@ -1191,7 +1173,6 @@ int main(int argc,char **argv)
 
 	delete zt1Service;
 	zt1Service = (OneService *)0;
-	delete controller;
 
 #ifdef __UNIX_LIKE__
 	OSUtils::rm(pidPath.c_str());

service/ControlPlane.cpp

@@ -245,6 +245,9 @@ static void _jsonAppend(unsigned int depth,std::string &buf,const ZT1_Peer *peer
 ControlPlane::ControlPlane(OneService *svc,Node *n,const char *uiStaticPath) :
 	_svc(svc),
 	_node(n),
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+	_controller((SqliteNetworkController *)0),
+#endif
 	_uiStaticPath((uiStaticPath) ? uiStaticPath : "")
 {
 }
@@ -446,9 +449,8 @@ unsigned int ControlPlane::handleRequest(
 				scode = 200;
 			} else {
 #ifdef ZT_ENABLE_NETWORK_CONTROLLER
-				std::map<std::string,SqliteNetworkController *>::const_iterator ss(_subsystems.find(ps[0]));
-				if (ss != _subsystems.end())
-					scode = ss->second->handleControlPlaneHttpGET(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
+				if (_controller)
+					_controller->handleControlPlaneHttpGET(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
 				else scode = 404;
 #else
 				scode = 404;
@@ -483,9 +485,8 @@ unsigned int ControlPlane::handleRequest(
 				}
 			} else {
 #ifdef ZT_ENABLE_NETWORK_CONTROLLER
-				std::map<std::string,SqliteNetworkController *>::const_iterator ss(_subsystems.find(ps[0]));
-				if (ss != _subsystems.end())
-					scode = ss->second->handleControlPlaneHttpPOST(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
+				if (_controller)
+					_controller->handleControlPlaneHttpPOST(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
 				else scode = 404;
 #else
 				scode = 404;
@@ -519,9 +520,8 @@ unsigned int ControlPlane::handleRequest(
 				} else scode = 500;
 			} else {
 #ifdef ZT_ENABLE_NETWORK_CONTROLLER
-				std::map<std::string,SqliteNetworkController *>::const_iterator ss(_subsystems.find(ps[0]));
-				if (ss != _subsystems.end())
-					scode = ss->second->handleControlPlaneHttpDELETE(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
+				if (_controller)
+					_controller->handleControlPlaneHttpDELETE(std::vector<std::string>(ps.begin()+1,ps.end()),urlArgs,headers,body,responseBody,responseContentType);
 				else scode = 404;
 #else
 				scode = 404;

service/ControlPlane.hpp

@@ -52,30 +52,26 @@ public:
 	ControlPlane(OneService *svc,Node *n,const char *uiStaticPath);
 	~ControlPlane();
 
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
 	/**
-	 * Add an authentication token for API access
+	 * Set controller, which will be available under /controller
+	 *
+	 * @param c Network controller instance
 	 */
-	inline void addAuthToken(const char *tok)
+	inline void setController(SqliteNetworkController *c)
 	{
 		Mutex::Lock _l(_lock);
-		_authTokens.insert(std::string(tok));
+		_controller = c;
 	}
+#endif
 
 	/**
-	 * Mount a subsystem under a prefix
-	 *
-	 * Note that the prefix must not contain a dot -- this is reserved for
-	 * static pages -- and must not be a reserved prefix such as /peer
-	 * or /network. Do not include path / characters in the prefix. Example
-	 * would be 'controller' for SqliteNetworkController.
-	 *
-	 * @param prefix First element in URI path
-	 * @param subsys Object to call for results of GET and POST/PUT operations
+	 * Add an authentication token for API access
 	 */
-	inline void mount(const char *prefix,SqliteNetworkController *subsys)
+	inline void addAuthToken(const char *tok)
 	{
 		Mutex::Lock _l(_lock);
-		_subsystems[std::string(prefix)] = subsys;
+		_authTokens.insert(std::string(tok));
 	}
 
 	/**
@@ -102,9 +98,11 @@ public:
 private:
 	OneService *const _svc;
 	Node *const _node;
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+	SqliteNetworkController *_controller;
+#endif
 	std::string _uiStaticPath;
 	std::set<std::string> _authTokens;
-	std::map<std::string,SqliteNetworkController *> _subsystems;
 	Mutex _lock;
 };
 

service/OneService.cpp

@@ -53,6 +53,12 @@
 #include "OneService.hpp"
 #include "ControlPlane.hpp"
 
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+#include "../controller/SqliteNetworkController.hpp"
+#else
+class SqliteNetworkController;
+#endif
+
 #ifdef __WINDOWS__
 #include <ShlObj.h>
 #endif
@@ -85,6 +91,9 @@ namespace ZeroTier { typedef BSDEthernetTap EthernetTap; }
 // How often to check for new multicast subscriptions on a tap device
 #define ZT_TAP_CHECK_MULTICAST_INTERVAL 30000
 
+// Path under ZT1 home for controller database if controller is enabled
+#define ZT1_CONTROLLER_DB_PATH "controller.db"
+
 namespace ZeroTier {
 
 class OneServiceImpl;
@@ -147,10 +156,12 @@ struct TcpConnection
 class OneServiceImpl : public OneService
 {
 public:
-	OneServiceImpl(const char *hp,unsigned int port,NetworkController *master,const char *overrideRootTopology) :
+	OneServiceImpl(const char *hp,unsigned int port,const char *overrideRootTopology) :
 		_homePath((hp) ? hp : "."),
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+		_controller((_homePath + ZT_PATH_SEPARATOR_S + ZT1_CONTROLLER_DB_PATH).c_str()),
+#endif
 		_phy(this,true),
-		_master(master),
 		_overrideRootTopology((overrideRootTopology) ? overrideRootTopology : ""),
 		_node((Node *)0),
 		_controlPlane((ControlPlane *)0),
@@ -227,13 +238,16 @@ public:
 				SnodeEventCallback,
 				((_overrideRootTopology.length() > 0) ? _overrideRootTopology.c_str() : (const char *)0));
 
-			if (_master)
-				_node->setNetconfMaster((void *)_master);
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+			_node->setNetconfMaster((void *)&_controller);
+#endif
 
 			_controlPlane = new ControlPlane(this,_node,(_homePath + ZT_PATH_SEPARATOR_S + "ui").c_str());
 			_controlPlane->addAuthToken(authToken.c_str());
-			if (_master)
-				_controlPlane->mount("controller",reinterpret_cast<SqliteNetworkController *>(_master));
+
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+			_controlPlane->setController(&_controller);
+#endif
 
 			{	// Remember networks from previous session
 				std::vector<std::string> networksDotD(OSUtils::listDirectory((_homePath + ZT_PATH_SEPARATOR_S + "networks.d").c_str()));
@@ -763,8 +777,10 @@ private:
 	}
 
 	const std::string _homePath;
+#ifdef ZT_ENABLE_NETWORK_CONTROLLER
+	SqliteNetworkController _controller;
+#endif
 	Phy<OneServiceImpl *> _phy;
-	NetworkController *_master;
 	std::string _overrideRootTopology;
 	Node *_node;
 	PhySocket *_v4UdpSocket;
@@ -923,7 +939,7 @@ std::string OneService::platformDefaultHomePath()
 #endif // __UNIX_LIKE__ or not...
 }
 
-OneService *OneService::newInstance(const char *hp,unsigned int port,NetworkController *master,const char *overrideRootTopology) { return new OneServiceImpl(hp,port,master,overrideRootTopology); }
+OneService *OneService::newInstance(const char *hp,unsigned int port,const char *overrideRootTopology) { return new OneServiceImpl(hp,port,overrideRootTopology); }
 OneService::~OneService() {}
 
 } // namespace ZeroTier

service/OneService.hpp

@@ -32,8 +32,6 @@
 
 namespace ZeroTier {
 
-class NetworkController;
-
 /**
  * Local service for ZeroTier One as system VPN/NFV provider
  */
@@ -79,13 +77,11 @@ public:
 	 *
 	 * @param hp Home path
 	 * @param port TCP and UDP port for packets and HTTP control
-	 * @param master Instance of network config master if this instance is to act as one (default: NULL)
 	 * @param overrideRootTopology String-serialized root topology (for testing, default: NULL)
 	 */
 	static OneService *newInstance(
 		const char *hp,
 		unsigned int port,
-		NetworkController *master = (NetworkController *)0,
 		const char *overrideRootTopology = (const char *)0);
 
 	virtual ~OneService();