|
1 /* |
|
2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the License "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 #include <kernel.h> // For Kern |
|
21 #include "isirouter.h" // For DISIRouter |
|
22 #include "isiroutertrace.h" // For C_TRACE, ASSERT_RESET.. and fault codes |
|
23 #include "misirouterlinkif.h" // For MISIRouterLinkIf |
|
24 #include "isihelpers.h" // For GET_SENDER_DEV... |
|
25 #include "memapi.h" // For MemApi |
|
26 #include <trxdefs.h> // For ETrxTest... |
|
27 #include "isicltransceiver.h" // For DISICLTransceiver |
|
28 |
|
29 |
|
30 #define PN_MEDIA_TEST 0xBB //not real |
|
31 #define PN_DEV_MODEM 0x12 |
|
32 #define PN_DEV_DUMMYIST 0x13 |
|
33 #define PN_DEV_APE 0x14 |
|
34 |
|
35 // Faults |
|
36 enum TISICLTransceiverFaults |
|
37 { |
|
38 EISICLTransceiverMemAllocFailure = 0x01, |
|
39 EISICLTransceiverMemAllocFailure1, |
|
40 EISICLTransceiverNotSupportedMedia, |
|
41 EISICLTransceiverOverTheLimits, |
|
42 EISICLTransceiverNULLPtr, |
|
43 EISICLTransceiverNotSupportedDevice, |
|
44 }; |
|
45 |
|
46 DISICLTransceiver::DISICLTransceiver( DISIRouter* aPtr ) |
|
47 : iRouter( aPtr ) |
|
48 { |
|
49 C_TRACE( ( _T( "DISICLTransceiver::DISICLTransceiver>" ) ) ); |
|
50 iLinksArray = new MISIRouterLinkIf*[ EISIAmountOfMedias ]; |
|
51 ASSERT_RESET_ALWAYS( iLinksArray, ( EISICLTransceiverMemAllocFailure | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
52 // Initialize links |
|
53 for( TInt i( 0 ); i < EISIAmountOfMedias; i++ ) |
|
54 { |
|
55 iLinksArray[ i ] = NULL; |
|
56 } |
|
57 //TODO add real media and trx when known |
|
58 iLinksArray[ EISIMediaTest ] = MISIRouterLinkIf::CreateLinkF( this, PN_MEDIA_TEST, ETrxTest ); |
|
59 C_TRACE( ( _T( "DISICLTransceiver::DISICLTransceiver<" ) ) ); |
|
60 } |
|
61 |
|
62 DISICLTransceiver::~DISICLTransceiver() |
|
63 { |
|
64 C_TRACE( ( _T( "DISICLTransceiver::~DISICLTransceiver>" ) ) ); |
|
65 for( TUint8 i( 0 ); i < EISIAmountOfMedias; i++ ) |
|
66 { |
|
67 MISIRouterLinkIf* tmp = iLinksArray[ i ]; |
|
68 if( tmp ) |
|
69 { |
|
70 tmp->Release(); |
|
71 tmp = NULL; |
|
72 iLinksArray[ i ] = NULL; |
|
73 } |
|
74 } |
|
75 delete []iLinksArray; |
|
76 C_TRACE( ( _T( "DISICLTransceiver::~DISICLTransceiver<" ) ) ); |
|
77 } |
|
78 |
|
79 void DISICLTransceiver::SendCommIsaEntityNotReachableResp( TDes8& aMessage ) |
|
80 { |
|
81 C_TRACE( ( _T( "DISICLTransceiver::SendCommIsaEntityNotReachableResp 0x%x>" ), &aMessage ) ); |
|
82 const TUint8* msgTmpPtr( aMessage.Ptr() ); |
|
83 // To avoid COMM_ISA_ENTITY_NOT_REACHABLE_RESP loop |
|
84 if( msgTmpPtr[ ISI_HEADER_OFFSET_MESSAGEID ] != COMMON_MESSAGE && |
|
85 msgTmpPtr[ ISI_HEADER_OFFSET_SUBMESSAGEID ] != COMM_ISA_ENTITY_NOT_REACHABLE_RESP ) |
|
86 { |
|
87 // Make channel opening request followinfg COMM specification: 000.026 |
|
88 // Length is sixteen bytes. |
|
89 TUint8 length( 16 ); |
|
90 TDes8& tempPtr = MemApi::AllocBlock( ISI_HEADER_SIZE + SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP ); |
|
91 ASSERT_RESET_ALWAYS( &tempPtr, ( EISICLTransceiverMemAllocFailure1 | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
92 ASSERT_RESET_ALWAYS( ISI_HEADER_SIZE + SIZE_COMMON_MESSAGE_COMM_ISA_ENTITY_NOT_REACHABLE_RESP > ISI_HEADER_OFFSET_MESSAGEID, ( EISICLTransceiverOverTheLimits | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
93 TUint8* ptr = const_cast<TUint8*>( tempPtr.Ptr() ); |
|
94 // We start to append from transaction id. |
|
95 tempPtr.SetLength( ISI_HEADER_OFFSET_TRANSID ); |
|
96 // Get the header until messageid from prev. message. |
|
97 // Just turn receiver and sender device and object vice versa. |
|
98 ptr[ ISI_HEADER_OFFSET_MEDIA ] = msgTmpPtr[ ISI_HEADER_OFFSET_MEDIA ]; |
|
99 SET_RECEIVER_DEV( ptr, GET_SENDER_DEV( aMessage ) ); |
|
100 SET_SENDER_DEV ( ptr, GET_RECEIVER_DEV( aMessage ) ); |
|
101 ptr[ ISI_HEADER_OFFSET_RESOURCEID ] = msgTmpPtr[ ISI_HEADER_OFFSET_RESOURCEID ]; |
|
102 SET_LENGTH( ptr, length - PN_HEADER_SIZE ); |
|
103 SET_RECEIVER_OBJ( ptr, GET_SENDER_OBJ( aMessage ) ); |
|
104 SET_SENDER_OBJ( ptr, GET_RECEIVER_OBJ( aMessage ) ); |
|
105 // Transactionid. Set to 0x01 since this is the first. |
|
106 tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_TRANSID ] ); |
|
107 // Message ID |
|
108 tempPtr.Append( ISI_HEADER_OFFSET_MESSAGEID ); |
|
109 // Sub message ID. |
|
110 tempPtr.Append( COMM_ISA_ENTITY_NOT_REACHABLE_RESP ); |
|
111 // Not Delivered Message from original req. |
|
112 tempPtr.Append( msgTmpPtr[ ISI_HEADER_OFFSET_MESSAGEID ] ); |
|
113 // Status - COMM_ISA_ENTITY_NOT_AVAILABLE |
|
114 tempPtr.Append( 0x00 ); |
|
115 // Filler |
|
116 tempPtr.Append( 0x00 ); |
|
117 // Filler |
|
118 tempPtr.Append( 0x00 ); |
|
119 // Filler |
|
120 tempPtr.Append( 0x00 ); |
|
121 RouteISIMessage( tempPtr ); |
|
122 } |
|
123 else |
|
124 { |
|
125 C_TRACE( ( _T( "DISICLTransceiver Not sending another CommIsaEntityNotReachableResp" ) ) ); |
|
126 } |
|
127 C_TRACE( ( _T( "DISICLTransceiver::SendCommIsaEntityNotReachableResp 0x%x<" ), &aMessage ) ); |
|
128 } |
|
129 |
|
130 void DISICLTransceiver::RouteISIMessage( TDes8& aMessage ) |
|
131 { |
|
132 C_TRACE( ( _T( "DISICLTransceiver::RouteISIMessage 0x%x>" ), &aMessage ) ); |
|
133 TInt error( ValidateISIMessage( aMessage ) ); //TODO what to do with error? |
|
134 TBool sendOk( EFalse ); |
|
135 TUint8* messageBlockPtr( const_cast<TUint8*>( aMessage.Ptr() ) ); |
|
136 switch( messageBlockPtr[ ISI_HEADER_OFFSET_RECEIVERDEVICE ] ) |
|
137 { |
|
138 case PN_DEV_APE: |
|
139 { |
|
140 C_TRACE( ( _T( "DISIRouter msg to PN_DEV_APE" ) ) ); |
|
141 if( messageBlockPtr[ ISI_HEADER_OFFSET_RECEIVEROBJECT ] == PN_OBJ_ROUTING_REQ ) |
|
142 { |
|
143 //route with resource and nameservice |
|
144 } |
|
145 else{ |
|
146 sendOk = iRouter->Receive( aMessage, messageBlockPtr[ ISI_HEADER_OFFSET_RECEIVEROBJECT ] ); |
|
147 C_TRACE( ( _T( "DISIRouter router sendOk %d" ), sendOk ) ); |
|
148 } |
|
149 break; |
|
150 } |
|
151 default: |
|
152 { |
|
153 C_TRACE( ( _T( "DISIRouter msg to other device" ) ) ); |
|
154 TUint8 linkId = MapDeviceToMedia( messageBlockPtr[ ISI_HEADER_OFFSET_RECEIVERDEVICE ] ); |
|
155 ASSERT_RESET_ALWAYS( linkId < EISIAmountOfMedias, ( EISICLTransceiverNotSupportedMedia | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
156 MISIRouterLinkIf* link = iLinksArray[ linkId ]; |
|
157 ASSERT_RESET_ALWAYS( link, ( EISICLTransceiverNULLPtr | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
158 sendOk = link->Send( aMessage ); |
|
159 C_TRACE( ( _T( "DISIRouter link sendOk %d" ), sendOk ) ); |
|
160 break; |
|
161 } |
|
162 } |
|
163 if( !sendOk ) |
|
164 { |
|
165 SendCommIsaEntityNotReachableResp( aMessage ); |
|
166 MemApi::DeallocBlock( aMessage ); |
|
167 } |
|
168 C_TRACE( ( _T( "DISICLTransceiver::RouteISIMessage 0x%x<" ), &aMessage ) ); |
|
169 } |
|
170 |
|
171 // KErrBadDescriptor, if message length too small |
|
172 // KErrUnderFlow, if message length too big. |
|
173 // KErrCouldNotConnect, if receiver object is out of scope. |
|
174 TInt DISICLTransceiver::ValidateISIMessage( |
|
175 TDes8& aMessage |
|
176 ) |
|
177 { |
|
178 C_TRACE( ( _T( "DISICLTransceiver::ValidateISIMessage 0x%x>" ), &aMessage ) ); |
|
179 const TUint16 descLength( aMessage.Length() ); |
|
180 TInt msgOk( KErrNone ); |
|
181 msgOk = ( ISI_HEADER_OFFSET_MESSAGEID >= descLength ) ? KErrBadDescriptor : msgOk; |
|
182 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
183 // Get ISI message length after known that the descriptor is big enough. |
|
184 const TUint8* msgPtr( aMessage.Ptr() ); |
|
185 const TUint16 isiMsgLength( GET_LENGTH( msgPtr ) + PN_HEADER_SIZE ); |
|
186 // If the descriptor length is less than ISI message length. |
|
187 msgOk = ( ( msgOk == KErrNone && isiMsgLength > descLength ) ? KErrUnderflow : msgOk ); |
|
188 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
189 // If the ISI message length is bigger that the largest supported. |
|
190 msgOk = ( ( msgOk == KErrNone && isiMsgLength > KMaxISIMsgSize ) ? KErrUnderflow : msgOk ); |
|
191 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
192 // If the ISI message length with PN_HEADER_SIZE is less or equal than ISI_HEADER_OFFSET_MESSAGEID. |
|
193 msgOk = ( ( msgOk == KErrNone && isiMsgLength <= ISI_HEADER_OFFSET_MESSAGEID ) ? KErrUnderflow : msgOk ); |
|
194 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
195 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
196 TRACE_ASSERT_INFO( msgOk == KErrNone, isiMsgLength ); |
|
197 TRACE_ASSERT_INFO( msgOk == KErrNone, descLength ); |
|
198 TRACE_ASSERT_INFO( msgOk == KErrNone, msgOk ); |
|
199 C_TRACE( ( _T( "DISICLTransceiver::ValidateISIMessage %d<" ), msgOk ) ); |
|
200 return msgOk; |
|
201 } |
|
202 |
|
203 TUint8 DISICLTransceiver::MapDeviceToMedia( |
|
204 const TUint8 aDevice |
|
205 ) |
|
206 { |
|
207 C_TRACE( ( _T( "DISICLTransceiver::MapDeviceToMedia aDevice %d>" ), aDevice ) ); |
|
208 TUint8 media( KErrNone ); |
|
209 switch( aDevice ) |
|
210 { |
|
211 case PN_DEV_MODEM: |
|
212 { |
|
213 media = EISIMediaSharedMemory; |
|
214 break; |
|
215 } |
|
216 case PN_DEV_DUMMYIST: |
|
217 { |
|
218 media = EISIMediaTest; |
|
219 break; |
|
220 } |
|
221 // Not supported device |
|
222 default: |
|
223 { |
|
224 ASSERT_RESET_ALWAYS( 0, ( EISICLTransceiverNotSupportedDevice | EDISICLTransceiverTraceId << KClassIdentifierShift ) ); |
|
225 break; |
|
226 } |
|
227 } |
|
228 C_TRACE( ( _T( "DISICLTransceiver::MapDeviceToMedia media %d<" ), media ) ); |
|
229 return media; |
|
230 } |
|
231 |