--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testexecmgmt/ucc/Source/MobileTermination/CLogPPPFilter.cpp	Mon Mar 08 15:04:18 2010 +0800
@@ -0,0 +1,268 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  
+* CLOGPPPFILTER
+* Prints out the details of all PPP frames that pass through the MT.
+* System Includes
+*
+*/
+
+
+
+#include <stdlib.h>
+#include <assert.h>
+#include <string.h>
+#ifdef WIN32
+#include <winsock2.h>
+#else
+#include <netinet/in.h>
+#endif
+
+
+/*******************************************************************************
+ *
+ * Local Includes
+ *
+ ******************************************************************************/
+#include "CLogPPPFilter.h"
+
+
+/*******************************************************************************
+ *
+ * Definitions
+ *
+ ******************************************************************************/
+#define MAX_LCP_MESSAGE_ID		11
+
+
+/*******************************************************************************
+ *
+ * Macro Functions
+ *
+ ******************************************************************************/
+#define EXTRACT_SHORT(ptr)     (htons((*((short*)(ptr)))&0x0000FFFF))
+#define EXTRACT_CHAR(ptr)      ((0x000000FF)&(ptr))
+
+
+/*******************************************************************************
+ *
+ * Static vars
+ *
+ ******************************************************************************/
+static char *lcp_message_desc[] = { "(invalid)", "Configure-Request", "Configure-Ack", "Configure-Nack",
+									"Configure-Reject", "Terminate-Request", "Terminate-Ack", "Code-Reject", 
+									"Protocol-Reject", "Echo-Request", "Echo-Reply", "Discard-Request", NULL };
+
+/*******************************************************************************
+ *
+ * PUBLIC METHOD: Constructor
+ *
+ ******************************************************************************/
+CLogPppFilter::CLogPppFilter( TPhoneData *aPhoneData, CLog *aLog ) : iOutgoingFrame("PPP-Log::OutgoingFrame",1), iIncomingFrame("PPP-Log::IncomingFrame",1)
+{
+	// check params
+	assert( aPhoneData != NULL );
+	assert( aLog != NULL );
+
+	//set state
+	iPhoneData = aPhoneData;
+	iLog = aLog;
+	iIncomingFrameOverflowFlag = 0;
+	iOutgoingFrameOverflowFlag = 0;
+}
+
+
+/*******************************************************************************
+ *
+ * PUBLIC METHOD: Destructor
+ *
+ ******************************************************************************/
+CLogPppFilter::~CLogPppFilter()
+{
+}
+
+
+/*******************************************************************************
+ *
+ * PUBLIC METHOD: IFilter Interface Methods
+ *
+ ******************************************************************************/
+
+int CLogPppFilter::ProcessIncomingData( char *data, int len )
+{
+	int i;
+	for( i = 0; i < len; i++ ) {
+		ProcessByte( &iIncomingFrame, data[i], &iIncomingFrameOverflowFlag );
+	}
+	return 0;
+}
+
+
+int CLogPppFilter::ProcessOutgoingData( char *data, int len )
+{
+	int i;
+	for( i = 0; i < len; i++ ) {
+		ProcessByte( &iOutgoingFrame, data[i], &iOutgoingFrameOverflowFlag );
+	}
+	return 0;
+}
+
+
+void CLogPppFilter::ProcessByte( CPppFrame *aFrame, char c, int *iOverflowFlag )
+{
+	char *framedesc;
+	TFrameError ferr;
+	TFrameStatus fstatus;
+
+	// add the byte to the frame buffer
+	ferr = aFrame->AddByteToFrame( c );
+
+	// if this causes an overflow then log the warning and return
+	if( ferr == FE_OVERFLOW ) {
+		if( *iOverflowFlag == 0 ) {
+			iLog->WriteLogEntry( SV_WARNING, aFrame->GetFrameName(), "Frame overflow." );
+			*iOverflowFlag = 1;
+		}
+		return;
+	}
+	assert( ferr == FE_NONE );
+
+	// if the frame isn't completed then return
+	fstatus = aFrame->GetFrameStatus();
+	if( fstatus != FS_COMPLETE ) {
+		return;
+	}
+
+	// otherwise print a record about the frame and then clear it
+	framedesc = CreateFrameDescription( aFrame );
+	iLog->WriteLogEntry( SV_INFO, aFrame->GetFrameName(), framedesc );
+	aFrame->ClearFrame();
+	*iOverflowFlag = 0;
+}
+
+
+/*******************************************************************************
+ *
+ * PRIVATE METHOD: Create FrameDescription
+ *
+ * Protocol [Message Type] (Frame Size)
+ *   IPCP (21)
+ *   LCP Echo-Request (48)
+ *
+ ******************************************************************************/
+char *CLogPppFilter::CreateFrameDescription( CPppFrame *aFrame )
+{
+	char *frame_ptr;
+	int frame_size;
+	int protocol_id;
+	char *bptr;
+
+	// get the frame
+	frame_ptr = aFrame->GetFrameBuffer( &frame_size );
+
+	// clear the description buffer
+	iFrameDescription[0] = 0;
+
+	// now insert the protocol and message if appropriate
+	protocol_id = AddProtocolName( frame_ptr, frame_size );
+
+	// add the length
+	bptr = &(iFrameDescription[strlen(iFrameDescription)]);
+	sprintf( bptr, "(%d).", frame_size );
+
+	// done
+	return iFrameDescription;
+}
+
+
+/*****************************************************************************************
+ *
+ * PRIVATE METHOD: AddProtocolName 
+ *
+ ****************************************************************************************/
+int CLogPppFilter::AddProtocolName( char *aFrameBuffer, int aFrameSize )
+{
+	int protocol_id;
+	int datapos = 0;
+	char *ptr;
+	int message_type;
+
+	// find the position of the protocol field (packet format can change a fair bit)
+	if( aFrameBuffer[0] == 0x7E ) {
+		datapos++;
+	    if( aFrameBuffer[1] == ((char)0x000000FF) ) {
+			datapos++;
+			if( aFrameBuffer[2] == 0x03 ) {
+				datapos++;
+			}
+		}
+	} 
+
+	// get the protocol id and the target pointer
+	protocol_id = EXTRACT_SHORT(&aFrameBuffer[datapos]);
+	ptr = &(iFrameDescription[strlen(iFrameDescription)]);
+	message_type = EXTRACT_CHAR(aFrameBuffer[datapos+2]);
+
+	// now print the protocol name
+	switch( protocol_id ) {
+	case 0xc021:
+		sprintf( ptr, "LCP " );
+		AddLcpMessageTypeString( message_type );
+		break;
+
+	case 0xc023:
+		sprintf( ptr, "PAP " );
+	    break;
+
+	case 0x8021:
+		sprintf( ptr, "IPCP " );
+	    break;
+
+	case 0x80FD:
+		sprintf( ptr, "CCP " );
+	    break;
+
+	default:
+		sprintf( ptr, "0x%X ", protocol_id );
+		protocol_id = 0;
+	    break;
+	}
+
+	// return the protocol id
+	return protocol_id;
+}
+
+
+/*****************************************************************************************
+ *
+ * PRIVATE METHOD: AddLcpMessageTypeString
+ *
+ ****************************************************************************************/   
+void CLogPppFilter::AddLcpMessageTypeString( int aMessageType )
+{
+	char *bptr;
+
+	// get the ptr to the output buffer
+	bptr = &(iFrameDescription[strlen(iFrameDescription)]);
+
+	// make sure the message id is known
+	if( (aMessageType <= 0) || (aMessageType >=  MAX_LCP_MESSAGE_ID) ) {
+		sprintf( bptr, "0x%X ", aMessageType );
+		return;
+	}
+
+	// print the name of the 
+	sprintf( bptr, lcp_message_desc[aMessageType] );
+}
+