|
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 "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: Handles the commands "AT+CLAC?" and "AT+CLAC" |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "lclistallcmd.h" |
|
20 #include "debug.h" |
|
21 |
|
22 _LIT8( KListAllQueryCmd, "AT+CLAC=?" ); |
|
23 _LIT8( KListAllCmd, "AT+CLAC" ); |
|
24 |
|
25 const TInt KCrLfLength = 2; // CR+LF |
|
26 const TInt KOkReplyLength = 6; // CR+LF+"OK"+CR+LF |
|
27 |
|
28 // --------------------------------------------------------------------------- |
|
29 // Two-phased constructor. |
|
30 // --------------------------------------------------------------------------- |
|
31 // |
|
32 CLcListAllCmd* CLcListAllCmd::NewL( MLcCustomPlugin* aCallback ) |
|
33 { |
|
34 CLcListAllCmd* self = new (ELeave) CLcListAllCmd( aCallback ); |
|
35 CleanupStack::PushL( self ); |
|
36 self->ConstructL(); |
|
37 CleanupStack::Pop( self ); |
|
38 return self; |
|
39 } |
|
40 |
|
41 // --------------------------------------------------------------------------- |
|
42 // Destructor. |
|
43 // --------------------------------------------------------------------------- |
|
44 // |
|
45 CLcListAllCmd::~CLcListAllCmd() |
|
46 { |
|
47 } |
|
48 |
|
49 // --------------------------------------------------------------------------- |
|
50 // CLcListAllCmd::CLcListAllCmd |
|
51 // --------------------------------------------------------------------------- |
|
52 // |
|
53 CLcListAllCmd::CLcListAllCmd( MLcCustomPlugin* aCallback ) : |
|
54 iCallback( aCallback ) |
|
55 { |
|
56 iCmdHandlerType = ECmdHandlerTypeUndefined; |
|
57 } |
|
58 |
|
59 // --------------------------------------------------------------------------- |
|
60 // CLcListAllCmd::ConstructL |
|
61 // --------------------------------------------------------------------------- |
|
62 // |
|
63 void CLcListAllCmd::ConstructL() |
|
64 { |
|
65 if ( !iCallback ) |
|
66 { |
|
67 User::Leave( KErrGeneral ); |
|
68 } |
|
69 } |
|
70 |
|
71 // --------------------------------------------------------------------------- |
|
72 // Reports the support status of an AT command. This is a synchronous API. |
|
73 // --------------------------------------------------------------------------- |
|
74 // |
|
75 TBool CLcListAllCmd::IsCommandSupported( const TDesC8& aCmd ) |
|
76 { |
|
77 TRACE_FUNC_ENTRY |
|
78 TInt retTemp = KErrNone; |
|
79 retTemp = aCmd.Compare( KListAllQueryCmd ); |
|
80 if ( retTemp == 0 ) |
|
81 { |
|
82 iCmdHandlerType = ECmdHandlerTypeQuery; |
|
83 TRACE_FUNC_EXIT |
|
84 return ETrue; |
|
85 } |
|
86 retTemp = aCmd.Compare( KListAllCmd ); |
|
87 if ( retTemp == 0 ) |
|
88 { |
|
89 iCmdHandlerType = ECmdHandlerTypeList; |
|
90 TRACE_FUNC_EXIT |
|
91 return ETrue; |
|
92 } |
|
93 iCmdHandlerType = ECmdHandlerTypeUndefined; |
|
94 TRACE_FUNC_EXIT |
|
95 return EFalse; |
|
96 } |
|
97 |
|
98 // --------------------------------------------------------------------------- |
|
99 // Handles an AT command. Cancelling of the pending request is done by |
|
100 // HandleCommandCancel(). The implementation in the extension plugin should |
|
101 // be asynchronous. |
|
102 // --------------------------------------------------------------------------- |
|
103 // |
|
104 void CLcListAllCmd::HandleCommand( const TDesC8& /*aCmd*/, |
|
105 RBuf8& aReply, |
|
106 TBool aReplyNeeded ) |
|
107 { |
|
108 TRACE_FUNC_ENTRY |
|
109 if ( !aReplyNeeded ) |
|
110 { |
|
111 TRACE_FUNC_EXIT |
|
112 return; |
|
113 } |
|
114 if ( iCmdHandlerType == ECmdHandlerTypeQuery ) |
|
115 { |
|
116 iCallback->CreateReplyAndComplete( EReplyTypeOk, |
|
117 aReply ); |
|
118 TRACE_FUNC_EXIT |
|
119 return; |
|
120 } |
|
121 // Else here means ECmdHandlerTypeList |
|
122 // First check the quiet mode and verbose mode. |
|
123 // These are handled in CreateReplyAndComplete() |
|
124 TInt retTemp; |
|
125 TBool quietMode = EFalse; |
|
126 TBool verboseMode = EFalse; |
|
127 retTemp = iCallback->GetModeValue( EModeTypeQuiet, quietMode ); |
|
128 retTemp |= iCallback->GetModeValue( EModeTypeVerbose, verboseMode ); |
|
129 if ( retTemp != KErrNone ) |
|
130 { |
|
131 iCallback->CreateReplyAndComplete( EReplyTypeError, |
|
132 aReply ); |
|
133 TRACE_FUNC_EXIT |
|
134 return; |
|
135 } |
|
136 if ( quietMode || !verboseMode ) |
|
137 { |
|
138 iCallback->CreateReplyAndComplete( EReplyTypeOther, |
|
139 aReply ); |
|
140 TRACE_FUNC_EXIT |
|
141 return; |
|
142 } |
|
143 RBuf8 reply; |
|
144 TBool error = CreateSupportedList( reply ); |
|
145 if ( error ) |
|
146 { |
|
147 iCallback->CreateReplyAndComplete( EReplyTypeError, |
|
148 aReply ); |
|
149 reply.Close(); |
|
150 TRACE_FUNC_EXIT |
|
151 return; |
|
152 } |
|
153 RBuf8 okReply; |
|
154 iCallback->CreateOkOrErrorReply( okReply, ETrue ); |
|
155 reply.Append( okReply); |
|
156 okReply.Close(); |
|
157 iCallback->CreateReplyAndComplete( EReplyTypeOther, |
|
158 aReply, |
|
159 reply ); |
|
160 reply.Close(); |
|
161 TRACE_FUNC_EXIT |
|
162 } |
|
163 |
|
164 // --------------------------------------------------------------------------- |
|
165 // Cancels a pending HandleCommand request. |
|
166 // --------------------------------------------------------------------------- |
|
167 // |
|
168 void CLcListAllCmd::HandleCommandCancel() |
|
169 { |
|
170 TRACE_FUNC_ENTRY |
|
171 TRACE_FUNC_EXIT |
|
172 } |
|
173 |
|
174 // --------------------------------------------------------------------------- |
|
175 // Creates a linearized list of supported commands |
|
176 // --------------------------------------------------------------------------- |
|
177 // |
|
178 TBool CLcListAllCmd::CreateSupportedList( RBuf8& aReply ) |
|
179 { |
|
180 TRACE_FUNC_ENTRY |
|
181 // First get the unsorted list from ATEXT |
|
182 RPointerArray<HBufC8> commands; |
|
183 iCallback->GetSupportedCommands( commands ); |
|
184 // Next linearize the list for a reply |
|
185 if ( commands.Count() <= 0 ) |
|
186 { |
|
187 commands.Close(); |
|
188 TRACE_FUNC_EXIT |
|
189 return EFalse; |
|
190 } |
|
191 TInt i; |
|
192 TInt linearSize = KOkReplyLength; |
|
193 TInt count = commands.Count(); |
|
194 for ( i=0; i<count; i++ ) |
|
195 { |
|
196 linearSize += (*commands[i]).Length(); |
|
197 if ( i < count-1 ) |
|
198 { |
|
199 linearSize += KCrLfLength; |
|
200 } |
|
201 } |
|
202 // Now we have the length of the linear region, |
|
203 // use that to create the reply |
|
204 TChar carriageReturn; |
|
205 TChar lineFeed; |
|
206 TInt retTemp; |
|
207 retTemp = aReply.Create( linearSize ); |
|
208 retTemp |= iCallback->GetCharacterValue( ECharTypeCR, carriageReturn ); |
|
209 retTemp |= iCallback->GetCharacterValue( ECharTypeLF, lineFeed ); |
|
210 if ( retTemp != KErrNone ) |
|
211 { |
|
212 commands.ResetAndDestroy(); |
|
213 commands.Close(); |
|
214 TRACE_FUNC_EXIT |
|
215 return ETrue; |
|
216 } |
|
217 for ( i=0; i<count; i++ ) |
|
218 { |
|
219 aReply.Append( *commands[i] ); |
|
220 if ( i < count-1 ) |
|
221 { |
|
222 aReply.Append( carriageReturn ); |
|
223 aReply.Append( lineFeed ); |
|
224 } |
|
225 } |
|
226 // Delete the array as it is no longer needed |
|
227 commands.ResetAndDestroy(); |
|
228 commands.Close(); |
|
229 TRACE_FUNC_EXIT |
|
230 return EFalse; |
|
231 } |