1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Started by MWT, February 1998

    15 // 

    16 //

    17 

    18 #if !defined (__TraceRtENG_H__)

    19 #define __TraceRtENG_H__

    20 

    21 #if !defined(__IN_SOCK_H__)

    22 #include <in_sock.h>

    23 #endif

    24 

    25 

    26 class MTraceRtNotificationHandler

    27 	{

    28 public:

    29 	virtual void Starting(const TNameRecord& aTo, TInt aTtl, TInt aDataLen)=0;

    30 	virtual void Probe(TInt aTtl) = 0;

    31 	virtual void Reply(TInt aNo, TInt aDelta, TUint aId) = 0;

    32 	virtual void FromHost(const TNameRecord& aHost) = 0;

    33 	virtual void Finished(TInt aError) =0;

    34 	};

    35 

    36 class TTraceRtOptions

    37 	{

    38 public:

    39 	IMPORT_C TTraceRtOptions();

    40 	TUint iMaxTtl;

    41 	TBool iResolveAddress;

    42 	TTimeIntervalMicroSeconds32 iWait;

    43 	TUint iTos;

    44 	THostName iDestname;

    45 	TInt iNrProbes;

    46 	TBool iPrompt;

    47 	};

    48 

    49 

    50 class CTraceRtTimer;

    51 class CTraceRtSender;

    52 class CTraceRtReceiver;

    53 class HTraceRtHeader;

    54 

    55 

    56 class CTraceRtEng : public CBase

    57 	{

    58 friend class CTraceRtTimer;

    59 friend class CTraceRtSender;

    60 friend class CTraceRtReceiver;

    61 

    62 public:

    63 	IMPORT_C static CTraceRtEng* NewL(MTraceRtNotificationHandler& aUi);

    64 	IMPORT_C ~CTraceRtEng();

    65 

    66 	IMPORT_C void SetPriorities(TInt aTimerPriority, TInt aSenderPriority, TInt aReceiverPriority);

    67 	IMPORT_C void Start(const TTraceRtOptions& aOptions);

    68 	IMPORT_C void Cancel();

    69 	IMPORT_C void CancelAndFinished();

    70 

    71 protected:

    72 	IMPORT_C void ConstructL(MTraceRtNotificationHandler& aUi);

    73 	IMPORT_C CTraceRtEng();

    74 

    75 private:

    76 	void TimerComplete();

    77 	void SendComplete();

    78 	void SendDoCancel();

    79 	void RecvComplete();

    80 	void RecvDoCancel();

    81 	void NextSend();

    82 	void ResolveReply();

    83 	void DoError(TInt aError);

    84 

    85 

    86 	enum TState { EStopped, ELookingUpHost, ESending, ELookingUpReply };

    87 

    88 	TState iState;

    89 	MTraceRtNotificationHandler* iUi;

    90 	CTraceRtTimer *iTimer;

    91 	CTraceRtSender *iSender;

    92 	CTraceRtReceiver *iReceiver;

    93 	TTraceRtOptions iOptions;

    94 	RSocketServ iSocketServ;

    95 	RSocket iIcmpSocket;

    96 	RHostResolver iResolver;

    97 	TNameEntry iNameEntry;

    98 	TInetAddr iSrcAddr;

    99 	TInetAddr iDstAddr;

   100 

   101 	HTraceRtHeader *iRecvData;

   102 	HTraceRtHeader *iSendData;

   103 

   104 	TInt iProbeNr;

   105 	TUint iTtl;

   106 	TBool iGotThere;

   107 	TInt iUnreachCount;

   108 	TTime iSendTime;

   109 	TUint iLastCode;

   110 

   111 	RConnection iConnect;

   112 	TBool iResolv;

   113 

   114 	TInt iSeq;

   115 	TInt iIdent;

   116 	};

   117 

   118 enum TTraceRtDefaultPriorites 

   119 	{

   120 	ETraceRtTimerPriority=10,

   121 	ETraceRtSenderPriority=20,

   122 	ETraceRtReceiverPriority=30,

   123 	};

   124 	

   125 // ICMP Type and Code values

   126 const TUint KTraceRtTypeEchoReply				= 0;

   127 const TUint KTraceRtCodeEcho					= 0;

   128 const TUint KTraceRtTypeEchoRequest				= 8;

   129 const TUint KTraceRtTypeUnreachable				= 3;

   130 const TUint	KTraceRtCodeUnreachNet				= 0;

   131 const TUint	KTraceRtCodeUnreachHost				= 1;

   132 const TUint	KTraceRtCodeUnreachProtocol			= 2;

   133 const TUint	KTraceRtCodeUnreachPort				= 3;

   134 const TUint	KTraceRtCodeUnreachNeedFrag			= 4;

   135 const TUint	KTraceRtCodeUnreachSrcRouteFail		= 5;

   136 const TUint	KTraceRtCodeUnreachNetUnknown		= 6;

   137 const TUint	KTraceRtCodeUnreachHostUnknown		= 7;

   138 const TUint	KTraceRtCodeUnreachSrcHostIsolated	= 8;	

   139 const TUint	KTraceRtCodeUnreachNetProhibited	= 9;

   140 const TUint	KTraceRtCodeUnreachHostProhibited	= 10;

   141 const TUint	KTraceRtCodeUnreachNetTOS			= 11;

   142 const TUint	KTraceRtCodeUnreachHostTOS			= 12;

   143 const TUint	KTraceRtCodeUnreachProhibited		= 13;

   144 const TUint	KTraceRtCodeUnreachPrecVolation		= 14;

   145 const TUint	KTraceRtCodeUnreachPrecCutoff		= 15;

   146 const TUint KTraceRtTypeTimeExceeded			= 11;

   147 const TUint	KTraceRtCodeExceedInTransit			= 0;

   148 const TUint	KTraceRtCodeExceedInReasm			= 1;

   149 const TUint KTraceRtCodeTimeout					= KMaxTUint;

   150 const TUint KTraceRtCodeTimedOutInTransit		= KMaxTUint-1;

   151 const TUint KTraceRtCodeEchoReply				= KMaxTUint-2;

   152 

   153 #endif

   154