cdev-1.7.2n

extensions/cdevGenericServer/include/cdevServer.h

@@ -0,0 +1,120 @@
+#if !defined (_CDEV_SERVER_H_)
+#define _CDEV_SERVER_H_
+
+#include "SignalManager.h"
+#include "cdevServerTools.h"
+#include "cdevMessage.h"
+#include "cdevContextMap.h"
+#include "cdevTagMap.h"
+#include "ClientInfo.h"
+#include "ServerInfo.h"
+#include "cdevGenericServerTags.h"
+
+// *****************************************************************************
+// * class CLIPClientSession :
+// * 
+// *	This class also allows the server to associate certain data with a 
+// *	specific client...
+// *
+// *	context:   This is a pointer to the most recently used context from the
+// *               cdevContextMap.
+// *****************************************************************************
+class GENERIC_SERVER_API CLIPClientSession : public ClientSession
+{
+private:
+	cdevData *context;
+
+public:
+	CLIPClientSession ( int SocketID, int ClientID, int LocalID )
+		: ClientSession(SocketID, ClientID, LocalID),
+		  context(NULL)
+		{
+		}
+	virtual   ~CLIPClientSession ( void )           { }
+	cdevData * getContext        ( void )           { return context; }
+	void       setContext        ( cdevData * cxt ) { context = cxt; }
+};
+
+
+// *****************************************************************************
+// * class CLIPSocketSession :
+// * 
+// *	This class allows the developer to associate additional information with
+// *	a particular socket...
+// *
+// *	contextMap : a table of cdevData contexts that can be retrieved by index
+// *
+// *	tagMap     : the table for mapping cdevData tags from the remote system
+// *                 to the tag table associated with this system.
+// *****************************************************************************
+class GENERIC_SERVER_API CLIPSocketSession : public SocketSession, public ClientInfoStruct
+{
+private:
+	cdevContextMap contextMap;
+	cdevTagMap     tagMap;
+	
+public:
+	CLIPSocketSession                  ( int SocketID )
+		: SocketSession ( SocketID )
+		{
+		}
+	virtual         ~CLIPSocketSession ( void ) { }
+	cdevContextMap & ContextMap        ( void ) { return contextMap; }
+	cdevTagMap     & TagMap            ( void ) { return tagMap; }
+};
+
+
+// *****************************************************************************
+// * cdevServer :
+// *	This is the cdevServer class.  It is responsible for establishing a 
+// *	listening socket, and then responding to all incoming and outgoing
+// *	messages.
+// *****************************************************************************
+class GENERIC_SERVER_API cdevServer : public cdevSessionManager
+{
+public:
+	typedef enum { SUCCESS = 0, 
+	               UNINITIALIZED,
+	               CANT_OPEN_SOCKET,
+	               CANT_REGISTER_LISTENER,
+	               CANT_REGISTER_SERVER,
+	               CANT_REGISTER_TIMER
+	             } ServerInitStatus;
+
+protected:
+	char                  * serverName;
+	class ClientAcceptor  * acceptor;
+	cdevNameServerManager * timer;
+	ServerInitStatus        status;
+	ServerInfo            * serverInfo;
+			
+public:
+	static  cdevGenericServerTagDef tags;
+	static  SignalManager           SigManager;
+	static  sig_atomic_t            Finished;
+
+	static  void               runServer    (void);
+	
+	cdevServer                              (char * DomainName, char * ServerName, unsigned short Port, double Rate);
+	cdevServer                              (void);
+	virtual                   ~cdevServer   (void);
+	int                        startServer  (char * DomainName, char * ServerName, unsigned short Port, double Rate, int searchForPort=0);
+
+	virtual void               registerClient   ( short localID );
+	virtual void               unregisterClient ( short localID );
+
+	virtual ClientSession *    newClientSession    ( int SocketID, int ClientID, int LocalID );
+	virtual SocketSession *    newSocketSession    ( int SocketID );
+	virtual void               deleteSocketSession ( SocketSession *socket );
+	
+	virtual int                dequeue      (cdevMessage * &message);
+	void                       processLocal (cdevMessage * &message); 
+	virtual cdevPacket *       decodePacket (cdevPacketBinary * input);
+	virtual cdevPacket *       decodePacket (cdevMessage * message);
+	virtual cdevPacketBinary * encodePacket (cdevPacket * input);
+	virtual cdevPacketBinary * encodePacket (cdevMessage * message);
+	virtual int                operational  (void) { return (status==0)?1:0; }
+	virtual ServerInitStatus   getInitStatus(void) { return status; }
+};
+
+#endif  /* _CDEV_SERVER_H_ */