bluetooth/btcomm/src/sdpclientcsy.cpp
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     1 // Copyright (c) 1997-2009 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 // sdpclientcsy.cpp - all the sdp parser code
       
    15 // 
       
    16 //
       
    17 
       
    18 #include <bluetooth/logger.h>
       
    19 #include <cs_port.h>
       
    20 #include "btcomm.h"
       
    21 #include "sdpclientcsy.h"
       
    22 #include <es_sock.h>
       
    23 #include <e32cons.h>
       
    24 #include <bt_sock.h>
       
    25 
       
    26 #ifdef __FLOG_ACTIVE
       
    27 _LIT8(KLogComponent, LOG_COMPONENT_BT_COMM);
       
    28 #endif
       
    29 
       
    30 // RFComm specific attribute 'snatcher' objects for the SDP attribute query
       
    31 // CRFCommAttribs
       
    32 CRFCommAttribs* CRFCommAttribs::NewL(MSdpElementBuilder* /*aParent*/)
       
    33 	{
       
    34 	CRFCommAttribs* cl=new (ELeave) CRFCommAttribs;
       
    35 	return cl;
       
    36 	}
       
    37 
       
    38 CRFCommAttribs::CRFCommAttribs()
       
    39 	{
       
    40 	}
       
    41 
       
    42 CRFCommAttribs::~CRFCommAttribs()
       
    43 	{
       
    44 	delete iPortAttrib;
       
    45 	}
       
    46 
       
    47 MSdpElementBuilder* CRFCommAttribs::StartListL()
       
    48 	{
       
    49 	return this;
       
    50 	}
       
    51 
       
    52 MSdpElementBuilder* CRFCommAttribs::EndListL()
       
    53 	{
       
    54 	return this;
       
    55 	}
       
    56 
       
    57 MSdpElementBuilder* CRFCommAttribs::BuildUintL(const TDesC8& /*aInt*/)
       
    58 	{
       
    59 	return this;
       
    60 	}
       
    61 
       
    62 MSdpElementBuilder* CRFCommAttribs::BuildDESL()
       
    63 	{
       
    64 	return this;
       
    65 	}
       
    66 
       
    67 
       
    68 MSdpElementBuilder* CRFCommAttribs::BuildUUIDL(const TUUID& aUUID)
       
    69 /**
       
    70 	Go and get RFComm UUID info.
       
    71 */
       
    72 	{
       
    73 #ifdef _DEBUG
       
    74 	TBuf8<40> desUUID;
       
    75 	desUUID = aUUID.ShortestForm();
       
    76 	TBuf<40> readableUUID;
       
    77 	readableUUID.Copy(desUUID);
       
    78 
       
    79 	LOG1(_L("CRFCommAttribs::BuildUUIDL(%S) main entry\n"), &readableUUID);
       
    80 #endif
       
    81 	if (iPortAttrib!=NULL)
       
    82 		{
       
    83 		LOG(_L("iPortAttrib already exists, returning it."));
       
    84 		return iPortAttrib; // i.e go to the get RFComm port 'snatching' state
       
    85 		// although this will not always be correct, but suits us for now
       
    86 		}
       
    87 	if(aUUID==TUUID(TUint16(KSDPRFCommUUID)))  
       
    88 		{		
       
    89 #ifdef _DEBUG
       
    90 		LOG1(_L("CRFCommAttribs::BuildUUIDL(%S) if =RFCOMMUUID\n"), &readableUUID);
       
    91 #endif
       
    92 		iRfcommUUID=TUUID(aUUID);
       
    93 		LOG(_L("CRFCommPortAttribs NewL"));
       
    94 		iPortAttrib = CRFCommPortAttrib::NewL(this);
       
    95 		LOG(_L("CRFCommPortAttribs - NewL survived"));
       
    96 		return iPortAttrib;
       
    97 		}
       
    98 
       
    99 	LOG2(_L("CRFCommAttribs - return this = 0x%08x, iPortAttrib = 0x%08x"), this, iPortAttrib);
       
   100 	return this;
       
   101 	}
       
   102 
       
   103 void CRFCommAttribs::Print(TUint /*aIndent*/)
       
   104 	{
       
   105 	}
       
   106 
       
   107 TInt CRFCommAttribs::GetRFCommPort(TUint8& aServerChannel)
       
   108 	{
       
   109 	if (!iPortAttrib)
       
   110 		{
       
   111 		// the SDP response was syntactically correct, but semantically wrong
       
   112 		// so we'd never have created the iPortAttrib object
       
   113 		return KErrNotFound;
       
   114 		}
       
   115 	else
       
   116 		{
       
   117 		aServerChannel = iPortAttrib->GetRFCommPort();
       
   118 		return KErrNone;
       
   119 		}
       
   120 	}
       
   121 
       
   122 // CRFCommPortAttrib
       
   123 
       
   124 CRFCommPortAttrib* CRFCommPortAttrib::NewL(MSdpElementBuilder* aParent)
       
   125 	{
       
   126 	CRFCommPortAttrib* cl=new (ELeave) CRFCommPortAttrib(aParent);
       
   127 	return cl;
       
   128 	}
       
   129 
       
   130 CRFCommPortAttrib::CRFCommPortAttrib(MSdpElementBuilder* aParent) : iParent(aParent)
       
   131 	{
       
   132 	}
       
   133 
       
   134 CRFCommPortAttrib::~CRFCommPortAttrib()
       
   135 	{
       
   136 	}
       
   137 
       
   138 
       
   139 MSdpElementBuilder* CRFCommPortAttrib::BuildUintL(const TDesC8& aUint)
       
   140 	{
       
   141 	if(aUint.Length() > 4) // 4 being the 32bit TUint byte size
       
   142 		User::Leave(KErrArgument);
       
   143 	iPort=static_cast<TUint8>(GetUint(aUint));
       
   144 
       
   145 	if(iPort<(TUint)KMinRfcommServerChannel || iPort>(TUint)KMaxRfcommServerChannel) //30 is max RFComm port
       
   146 		{
       
   147 		User::Leave(KErrArgument);
       
   148 		}
       
   149 	
       
   150 	return iParent;
       
   151 	}
       
   152 
       
   153 TUint CRFCommPortAttrib::GetUint(const TDesC8& aData)
       
   154 	{
       
   155 	switch(aData.Length())
       
   156 		{
       
   157 	case 0:
       
   158 		return 0;
       
   159 	case 1:
       
   160 		return aData[0];
       
   161 	case 2:
       
   162 		return BigEndian::Get16(aData.Ptr());
       
   163 	case 4:
       
   164 		return BigEndian::Get32(aData.Ptr());
       
   165 	default:
       
   166 		//ParsePanic(EGetUintBadDescriptorLength); //FIXME
       
   167 		return 0;
       
   168 		}
       
   169 	}
       
   170 
       
   171 TUint8 CRFCommPortAttrib::GetRFCommPort()
       
   172 	{
       
   173 	return iPort;
       
   174 	}
       
   175 
       
   176 //this builder checks to see if the UUID is in the Service Class ID list attribute
       
   177 CRFCommClass* CRFCommClass::NewL(const TUUID& aUUID)
       
   178 	{
       
   179 	CRFCommClass* cl=new (ELeave) CRFCommClass(aUUID);
       
   180 	return cl;
       
   181 	}
       
   182 
       
   183 CRFCommClass::CRFCommClass(const TUUID& aUUID)
       
   184 	: iUUID(aUUID), iNService(EFalse)
       
   185 	{
       
   186 	}
       
   187 
       
   188 CRFCommClass::~CRFCommClass()
       
   189 	{
       
   190 	}
       
   191 
       
   192 MSdpElementBuilder* CRFCommClass::StartListL()
       
   193 	{
       
   194 	return this;
       
   195 	}
       
   196 
       
   197 MSdpElementBuilder* CRFCommClass::EndListL()
       
   198 	{
       
   199 	return this;
       
   200 	}
       
   201 
       
   202 MSdpElementBuilder* CRFCommClass::BuildUintL(const TDesC8& /*aInt*/)
       
   203 	{
       
   204 	return this;
       
   205 	}
       
   206 
       
   207 MSdpElementBuilder* CRFCommClass::BuildDESL()
       
   208 	{
       
   209 	return this;
       
   210 	}
       
   211 
       
   212 
       
   213 MSdpElementBuilder* CRFCommClass::BuildUUIDL(const TUUID& aUUID)
       
   214 /**
       
   215 	The meat, if the UUID is in the service class list then this is the record we want.
       
   216 */
       
   217 	{
       
   218 	if(aUUID==iUUID)  
       
   219 		{		
       
   220 		iNService=ETrue;
       
   221 		}
       
   222 	return this;
       
   223 	}
       
   224 
       
   225 TBool CRFCommClass::InService()
       
   226 	{
       
   227 	return iNService;
       
   228 	}