smf/smfservermodule/smfserver/server/smfserversymbian_p.h
changeset 7 be09cf1f39dd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smf/smfservermodule/smfserver/server/smfserversymbian_p.h	Tue May 18 17:37:12 2010 +0530
@@ -0,0 +1,267 @@
+/**
+ * Copyright (c) 2010 Sasken Communication Technologies Ltd.
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the "Eclipse Public License v1.0" 
+ * which accompanies  this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html"
+ *
+ * Initial Contributors:
+ * Chandradeep Gandhi, Sasken Communication Technologies Ltd - Initial contribution
+ *
+ * Contributors:
+ * Manasij Roy, Nalina Hariharan*
+ * Description:
+ * SMF Server private implementation for Symbian
+ *
+ **/
+
+#ifndef SMFSERVERSYMBIAN_H
+#define SMFSERVERSYMBIAN_H
+#include <QObject>
+#include <e32hashtab.h>
+#include <e32base.h>
+#include <QByteArray>
+#include <QString>
+//testing -start
+#include "smfprovider.h"
+//end
+//SMF wide global const and macros, to be shared among SMF components as well as SMF aware apps
+//#include <smf/smfGlobal.h>
+
+//#include "clientGlobal.h"
+
+#include "SmfServer.h"
+//Forward declarations
+class SmfServerSymbianSession;
+
+/**
+ * Stores session and request information.
+ * For now storing RMessage2 is reduntant as we are allowing only one outstanding request per session
+ */
+struct CSessionStruct
+	{
+	SmfServerSymbianSession* iSession;
+	RMessage2 iMsg;
+	};
+
+
+
+//Policy table---start
+//note capabilities are yet to be finalized
+//46 services as of 15th apr
+const TUint myRangeCount = 1/*7*/; 
+
+//Passing everything for the time being
+const TInt myRanges[myRangeCount] = 
+        {
+        0/*, //ERequestPass
+        1, //ERequestFail
+        2, //ERequestNotSupported
+        3, //ERequestDrmService
+        4, //ERequestUserEnvironmentService  
+        5, //ERequestCustomCheckPass
+        6  //ERequestCustomCheckFail*/ 
+        };
+        
+        
+/* bis: each element of this array actually indexes to a particular element of
+TPolicyElement. For eg. element 0 of this array maps element 0 of myRanges to 
+a particular element of TpolicyElement array which is in this case element 0
+of TPolicyElement       
+*/
+const TUint8 myElementsIndex[myRangeCount] = 
+        {
+        CPolicyServer::EAlwaysPass, //passing everything for now  
+        };
+
+
+/* bis: Policies used by the server to check messages from the client 
+for each message, the server will carry out security check according 
+to this policy. 
+*/        
+const CPolicyServer::TPolicyElement myElements[] = 
+        {
+        {_INIT_SECURITY_POLICY_PASS, CPolicyServer::EFailClient}     
+        };
+
+/* bis: TPolicy used by the server to check messages from the client 
+for each message. This structure is passed to the server at its creation.
+The Symbian client-server architecture will make sure that each client request
+passes through the security test as indicated by myPolicy before it is handled
+by myPolciyServer */        
+const CPolicyServer::TPolicy myPolicy =
+        {
+        //bis:
+        //the connection policy (CPolicyServer::EAlwaysPass) should be changed if the 
+        //server wants to check for a particular policy before grating any connection
+        //to the client. For eg. DRM manager server should only allow clients having DRM
+        //capability to connect to it. To do so, change CPolicyserver::EAlwaysPass,
+        //to the index no. of myElements which checks for ECapabilityDRM i.e index 2
+        //in this case. For EACM server, the server should allow only clients having
+        //ECapabilityUserEnvironment to connect to it.
+        CPolicyServer::EAlwaysPass, //specifies all connect attempts should pass 
+        myRangeCount,                                   
+        myRanges,
+        myElementsIndex,
+        myElements,
+        };
+//Policy table---end
+/**
+* Our server class - an active object - and therefore derived ultimately from CActive.
+* It accepts requests from client threads and forwards
+* them to the client session to be dealt with. It also handles the creation
+* of the server-side client session.
+**/
+class SmfServerSymbian : public CPolicyServer
+{
+  
+public:
+	/**
+	 * Creates a new session with the server; the function
+	 * implements the pure virtutal function
+	 * defined in class CServer2
+	 */
+	SmfServerSymbian(CActive::TPriority aActiveObjectPriority,SmfServer* aWrapper);
+    static SmfServerSymbian * NewL(CActive::TPriority aActiveObjectPriority,SmfServer* aWrapper);
+    ~SmfServerSymbian();
+    CSession2 * NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;
+  
+    /**
+     * Returns SmfServer
+     */
+    SmfServer* wrapper();
+    /**
+     * Adds session info to the currently active session map iMap. This map is used to
+     * retreive the corresponding session to be serviced. The keys for this map is sent
+     * alongwith the request to other components
+     * @param aSession Session to be added
+     * @param aMsg Currently redundant
+     */
+    TInt addToSessionMap(SmfServerSymbianSession* aSession,const RMessage2& aMsg);
+    /**
+     * Removes the session from the active list of session map
+     * @param aSession Session to be removed.
+     * @param aMsg Currently redundant
+     */
+    TInt removeFromSessionMap(SmfServerSymbianSession* aSession,RMessage2& aMsg);
+    /**
+     * Returns a symbian session for the given key from the iMap.
+     * @param id Session ID in the SmfServer Session map
+     */
+    SmfServerSymbianSession* findSession(TInt id);
+    /**
+     * Finds the given session and services it with the data.
+     * @param requestID Session ID
+     * @param parsedData Parsed and serialized data to be sent to client.
+     * @param error Error code
+     */
+    TInt findAndServiceclient(TInt requestID,QByteArray* parsedData,SmfError error);
+	/**
+	 * Debugging
+	 */
+	void writeLog(QString log)const;
+//private:
+    void ConstructL();
+    SmfServer* iWrapper;
+    
+	/**
+	 * Keeps track of the requests sent by each session
+	 */
+    RHashMap<TInt,CSessionStruct> iMap;
+    
+    /**
+     * The key in the iMap.
+     * Its sent to the wrapper
+     */
+    TInt iRequestID;
+    
+    TInt iSessionCount;
+};
+
+/**
+This class represents a session with the  Smf server.
+Functions are provided to respond appropriately to client messages.
+*/
+class SmfServerSymbianSession : public CSession2
+{
+public:
+	/**
+	 * Creates a session.
+	 * @param aServer The server handle
+	 */
+	SmfServerSymbianSession(SmfServerSymbian* aServer);
+    ~SmfServerSymbianSession();
+    /**
+     * From CSession2
+     */
+    void ServiceL(const RMessage2 & aMessage);
+    /**
+     * Called by the SmfServerSymbian when results are available
+     * @param parsedData Parsed serialized data
+     * @param error Smf Error code
+     */
+	void resultsAvailable(QByteArray* parsedData,SmfError error);
+	/**
+	 * Called by the SmfServer when client authorization finishes.
+	 * @param success success of the authorization
+	 */
+	void clientathorizationFinished(bool success);
+protected:
+    //TMessageParams ReadMessageAndRetrieveParams (const RMessage2 & aMessage);
+    void PanicClient(const RMessage2 & aMessage, TInt aPanic) const;
+    /**
+     * Called by ServiceL()
+     * It tests the function code and then delegates to
+     * the appropriate function.
+     */
+    void HandleClientMessageL(const RMessage2 & aMessage);
+    
+    //Following are for handling specific client requests
+    /**
+     * ESmfGetService
+     */
+    void HandleGetService(const RMessage2 & aMessage);
+    
+    /**
+     * Handles all the opcodes except ESmfGetService
+     */
+    void HandleCommonServiceL(const RMessage2 & aMessage);
+    
+    
+//private:
+    SmfServerSymbian* iServer;
+    RMessage2 iMessage;
+
+	//this interface id will be provided by Smf client, will map Smf Client 
+	// interface hierarchy
+	SmfInterfaceID iInterfaceID;
+	TPtr8 iIntfNmaeSymbian;
+	TPtr iIntfNameSymbian16;
+	TBuf8<125> iInterfaceNametbuf;
+	TPtr8 iProviderSymbian;
+	HBufC8* iProviderBuf;
+	HBufC8* iIntfNameBuf;
+	QMap<SmfPluginID,SmfProvider> iPluginIDMap;
+	QList<SmfPluginID> iPluginIDList;
+	QList<SmfPluginID> iAuthList;
+	
+	/**
+	 * To keep track of the requests sent by this session,not required for now, as only one
+	 * outstanding request per session is required
+	 */
+	RArray<RMessage2> iRequestList;
+	/**
+	 * Last request opcode
+	 */
+	TInt iLastRequest;
+	//testing
+	TBuf<525> dataToPass;
+	HBufC8* iBuf;
+	HBufC* iBuf16;
+	TPtr8 iPtrToBuf;
+	QByteArray byteArrayToClnt;
+	SmfProvider* providerToClnt;
+	TInt iError;
+};
+#endif // SMFSERVERSYMBIAN_H