adaptationlayer/modematadaptation/modematext_dll/inc/modemat_atext.h
changeset 0 63b37f68c1ce
child 9 8486d82aef45
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/adaptationlayer/modematadaptation/modematext_dll/inc/modemat_atext.h	Fri Nov 06 17:28:23 2009 +0000
@@ -0,0 +1,244 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+* 
+* Description: 
+*
+*/
+
+
+#ifndef MODEMAT_ATEXT_IMPL_H
+#define MODEMAT_ATEXT_IMPL_H
+
+#include <atextpluginbase.h>
+#include "rmodematcontroller.h"
+
+const TInt KNameLength(256);
+
+NONSHARABLE_CLASS(CModemATExt) : public CATExtPluginBase, public MAtControllerObserver
+  	{
+public:
+        
+    /**
+    * Two-phased constructor.
+    */
+    static CModemATExt* NewL();
+    
+    /**
+    * Destructor.
+    */
+    ~CModemATExt();
+
+public:
+ 	
+ 	//from atextpluginbase
+    /**
+       * Reports the support status of an AT command. This is a synchronous API
+       * and the extension plugin must set aEditorCmd parameter before this
+       * function returns.
+       *
+       * @param aCmd The AT command. Its format may vary depending on the
+       *             specification. E.g. in BT HFP case, the command may contain
+       *             a character carriage return (<cr>) in the end.
+       * @return ETrue if the command is supported; EFalse otherwise.
+       */
+     
+    TBool IsCommandSupported( const TDesC8& aCmd );
+ 	
+   /**
+     * Handles an AT command. Cancelling of the pending request is done by
+     * HandleCommandCancel(). The implementation in the extension plugin should
+     * be asynchronous.
+     *
+     * The extension plugin which accepts this command is responsible to supply
+     * the result codes and response and to format result codes properly, e.g.
+     * in BT HFP case, the format should be <cr><lf><result code><cr><lf>
+     *
+     * After an extension plugin has handled or decided to reject the given AT
+     * command, it must inform ATEXT by HandleCommandCompleted() with a proper
+     * error code.
+     *
+     * @since S60 5.0
+     * @param aCmd The AT command to be handled. Its format may vary depending
+     *             on the specification. E.g. in BT HFP case, the command may
+     *             contain a character carriage return (<cr>) in the end.
+     * @param aReply When passed in, contains the built in answer filled by
+     *               ATEXT if it is not empty; when command handling completes
+     *               successfully, contains the result codes and responses to
+     *               this command; Its ownership always belongs to ATEXT, plugin
+     *               may reallocate its space when needed.
+     * @param aReplyNeeded Reply needed if ETrue, no reply otherwise. If EFalse,
+     *                     the aReply must not contain the reply, otherwise it
+     *                     must contain verbose or numeric reply (ATV0/1) or an
+     *                     empty string reply (with ATQ).
+     * @return None
+     */
+   	void HandleCommand( const TDesC8& aCmd, RBuf8& aReply, TBool aReplyNeeded );
+
+
+   /**
+     * Cancels a pending HandleCommand request.
+     *
+     * @since S60 5.0
+     * @return None
+     */
+
+   	void HandleCommandCancel();
+  
+   /**
+    * Receives unsolicited results. Cancelling of the pending request is done
+    * by ReceiveUnsolicitedResultCancel(). The implementation in the extension
+    * plugin should be asynchronous.
+    *
+    * @since S60 5.0
+    * @return None
+    */
+   void ReceiveUnsolicitedResult();
+
+   /**
+    * Cancels a pending ReceiveUnsolicitedResult request.
+    *
+    * @since S60 5.0
+    * @return None
+    */
+   void ReceiveUnsolicitedResultCancel();
+   
+   /**
+     * Handles editor mode input.
+     *
+     * @since S60 5.0
+     * @param aInput The input to process after IsCommandSupported() has
+     *               reported about a supported command with aEditorCmd=ETrue
+     * @param aReply Reply to return when end of editor mode found
+     * @return ETrue if end of editor mode (ctrl-z), EFalse otherwise
+     */
+   
+   TBool HandleEditorModeInput( const TDesC8& aInput,
+                                            RBuf8& aReply,
+                                            TBool& aEchoOn );
+
+   /**
+     * Reports NVRAM status change to the plugins.
+     *
+     * @since S60 5.0
+     * @param aNvram New NVRAM status. Each call of this function is a result
+     *               of DUN extracting the form notified by
+     *               CATExtCommonBase::SendNvramStatusChange(). Each of the
+     *               settings from SendNvramStatusChange() is separated to
+     *               one call of ReportNvramStatusChange().
+     * @return None
+     */
+  	void ReportNvramStatusChange( const TDesC8& aNvram );
+   
+    /**
+     * Gets the next part of reply initially set by HandleCommandComplete().
+     * Length of aNextReply must be equal or less than KDefaultCmdBufLength.
+     *
+     * @since S60 5.0
+     * @param aNextReply Next reply
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+	TInt GetNextPartOfReply( RBuf8& aNextReply );
+	
+    /**
+     * Reports connection identifier name to the extension plugin.
+     *
+     * @since S60 5.0
+     * @param aName Connection identifier name
+     * @return None
+     */
+    void ReportConnectionName( const TDesC8& aName );
+   
+   
+   /**
+     * Next reply part's length.
+     * The value must be equal or less than KDefaultCmdBufLength.
+     * When the reply from this method is zero, ATEXT stops calling
+     * GetNextPartOfReply().
+     *
+     * @since S60 5.0
+     * @return Next reply part's length if zero or positive
+     */
+   
+    TInt NextReplyPartLength();
+    
+    /**
+     * Reports about external handle command error condition.
+     * This is for cases when for example DUN decided the reply contained an
+     * error condition but the plugin is still handling the command internally.
+     * Example: in command line "AT+TEST;ATDT1234" was given. "AT+TEST" returns
+     * "OK" and "ATDT" returns "CONNECT". Because "OK" and "CONNECT" are
+     * different reply types the condition is "ERROR" and DUN ends processing.
+     * This solution keeps the pointer to the last AT command handling plugin
+     * inside ATEXT and calls this function there to report the error.
+     * It is to be noted that HandleCommandCancel() is not sufficient to stop
+     * the processing as the command handling has already finished.
+     *
+     * @since S60 5.0
+     * @return None
+     */
+    void ReportExternalHandleCommandError();
+
+    
+	 //from RModemAtController 
+	 
+	/**
+     * AT-command is compeleted. Called by modematcontroller.
+     * @param aErr Error value of completed command
+     */
+   	 	 
+     void HandleATCommandCompleted( TInt aErr ) ;
+     
+    /**
+     * Unsolicited data is received. Called by modematcontroller.
+     * @param aErr Error value of unsolicited data
+     */
+     void HandleUnsolicitedResultReceived( TInt aErr ) ;
+     
+     /**
+     * Signal indication is received. Called by modematcontroller.
+     * @param aErr Error value of signal indication
+     */
+     void HandleSignalIndication( TInt aErr ) ;
+
+     /**
+     * Command mode change. Called by modematcontroller.
+     * @param aErr Error value of command mode request
+     */
+     void HandleCommandModeChanged( TInt aErr, TCommandMode aMode );
+     
+private:
+
+    CModemATExt();
+    //Constructor
+    void ConstructL();
+
+	//Returns AT command by index
+    TPtrC8 GetAtCommand( TInt aNumber );
+
+    
+private:    // Data
+    
+    RModemAtController iRModemAt;
+    TBuf8<KNameLength> iName;
+    HBufC8* iReplyBuffer;
+    TPtr8 iReplyPtr;
+    TPtr8 iUnsolicitedPtr;
+    HBufC8* iUnsolicitedBuffer;
+    RBuf8* iReply;
+    TBool iReplyNeeded;
+    HBufC8* iCommandBuf;
+    };
+
+#endif      //MODEMAT_ATEXT_IMPL_H
+            
+// End of File