748
|
1 |
// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
2 |
// All rights reserved.
|
|
3 |
// This component and the accompanying materials are made available
|
872
|
4 |
// under the terms of the License "Eclipse Public License v1.0"
|
748
|
5 |
// which accompanies this distribution, and is available
|
872
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
748
|
7 |
//
|
|
8 |
// Initial Contributors:
|
|
9 |
// Nokia Corporation - initial contribution.
|
|
10 |
//
|
|
11 |
// Contributors:
|
|
12 |
//
|
|
13 |
// Description:
|
|
14 |
// @file T_Lbschannel.cpp
|
|
15 |
// This is the Cpp file which contains the channel for communication between
|
|
16 |
// the test harness and the test AGps module.
|
|
17 |
//
|
|
18 |
//
|
|
19 |
|
|
20 |
// User includes
|
|
21 |
#include "tlbschannel.h"
|
|
22 |
|
|
23 |
const TInt KLbsChannelIdMax = RT_LbsChannel::EChannelTAGPS2TH;
|
|
24 |
//const TInt KCategoryKeyIndex = 0;
|
|
25 |
const TInt KReadPropKeyIndex = 1;
|
|
26 |
const TInt KReadPropAckKeyIndex = 2;
|
|
27 |
const TInt KWritePropKeyIndex = 3;
|
|
28 |
const TInt KWritePropAckKeyIndex = 4;
|
|
29 |
|
|
30 |
/** The array contains description (property size, keys and Ids) of all the channels supported by
|
|
31 |
the RT_LbsChannel interface */
|
|
32 |
const TUint KPropTable[KLbsChannelIdMax+1][5]=
|
|
33 |
{
|
|
34 |
{0, KTH2TAGPSMessageKey, KTH2TAGPSMessageReadAckKey, KTAGPS2THMessageKey, KTAGPS2THMessageReadAckKey},
|
|
35 |
{0, KTAGPS2THMessageKey, KTAGPS2THMessageReadAckKey, KTH2TAGPSMessageKey, KTH2TAGPSMessageReadAckKey},
|
|
36 |
};
|
|
37 |
|
|
38 |
///////////////////////////////////////////////////////////////////////////////
|
|
39 |
// RT_LbsChannel
|
|
40 |
///////////////////////////////////////////////////////////////////////////////
|
|
41 |
|
|
42 |
EXPORT_C void RT_LbsChannel::InitializeL(TT_LbsChannelId aChannelId)
|
|
43 |
{
|
|
44 |
const TSecurityPolicy KReadPolicy(ECapability_None);
|
|
45 |
const TSecurityPolicy KWritePolicy(ECapabilityWriteDeviceData);
|
|
46 |
|
|
47 |
TInt err = RProperty::Define(KUidSystemCategory,
|
|
48 |
KPropTable[aChannelId][KWritePropKeyIndex],
|
|
49 |
RProperty::ELargeByteArray,
|
|
50 |
KReadPolicy, KWritePolicy,
|
|
51 |
sizeof(TT_LbsMsgBase));
|
|
52 |
if (err != KErrNone && err != KErrAlreadyExists)
|
|
53 |
{
|
|
54 |
User::Leave(err);
|
|
55 |
}
|
|
56 |
|
|
57 |
err = RProperty::Define(KUidSystemCategory,
|
|
58 |
KPropTable[aChannelId][KWritePropAckKeyIndex],
|
|
59 |
RProperty::EInt,
|
|
60 |
KReadPolicy, KWritePolicy);
|
|
61 |
if (err != KErrNone && err != KErrAlreadyExists)
|
|
62 |
{
|
|
63 |
User::Leave(err);
|
|
64 |
}
|
|
65 |
|
|
66 |
User::LeaveIfError(RProperty::Set(KUidSystemCategory, KPropTable[aChannelId][KWritePropAckKeyIndex], 0));
|
|
67 |
}
|
|
68 |
|
|
69 |
|
|
70 |
EXPORT_C void RT_LbsChannel::ShutDownL(TT_LbsChannelId aChannelId)
|
|
71 |
{
|
|
72 |
User::LeaveIfError(RProperty::Delete(KPropTable[aChannelId][KWritePropKeyIndex]));
|
|
73 |
User::LeaveIfError(RProperty::Delete(KPropTable[aChannelId][KWritePropAckKeyIndex]));
|
|
74 |
}
|
|
75 |
|
|
76 |
|
|
77 |
EXPORT_C RT_LbsChannel::RT_LbsChannel()
|
|
78 |
{
|
|
79 |
}
|
|
80 |
|
|
81 |
|
|
82 |
/**
|
|
83 |
|
|
84 |
The channel must first be initialised before this is called, otherwise the
|
|
85 |
resources needed by the channel will not have been allocated.
|
|
86 |
|
|
87 |
@param aObserver Reference to the observer class used to notify of new messages.
|
|
88 |
@param aChannelId Uid of the RProperty category used for this channel.
|
|
89 |
|
|
90 |
@leave
|
|
91 |
*/
|
|
92 |
EXPORT_C void RT_LbsChannel::OpenL(TT_LbsChannelId aChannelId, MT_LbsChannelObserver& aObserver)
|
|
93 |
{
|
|
94 |
__ASSERT_DEBUG(iSendProperty.Handle()==NULL, User::Invariant());
|
|
95 |
__ASSERT_DEBUG(iSendMsgReadProperty.Handle()==NULL, User::Invariant());
|
|
96 |
|
|
97 |
User::LeaveIfError(iSendProperty.Attach(KUidSystemCategory, KPropTable[aChannelId][KWritePropKeyIndex]));
|
|
98 |
User::LeaveIfError(iSendMsgReadProperty.Attach(KUidSystemCategory, KPropTable[aChannelId][KWritePropAckKeyIndex]));
|
|
99 |
|
|
100 |
iMonitor = CT_ChannelMonitor::NewL(aObserver, aChannelId, KUidSystemCategory,
|
|
101 |
KPropTable[aChannelId][KReadPropKeyIndex],
|
|
102 |
KPropTable[aChannelId][KReadPropAckKeyIndex]);
|
|
103 |
}
|
|
104 |
|
|
105 |
/** Close the connection.
|
|
106 |
|
|
107 |
This function closes the connection and frees any resources
|
|
108 |
created in RTbsChannel::OpenL().
|
|
109 |
*/
|
|
110 |
EXPORT_C void RT_LbsChannel::Close()
|
|
111 |
{
|
|
112 |
CancelSendMessageNotification();
|
|
113 |
|
|
114 |
delete iMonitor;
|
|
115 |
iSendProperty.Close();
|
|
116 |
iSendMsgReadProperty.Close();
|
|
117 |
}
|
|
118 |
|
|
119 |
/** Send a message through the channel.
|
|
120 |
|
|
121 |
This is an asynchronous function that only completes when the message
|
|
122 |
has been read.
|
|
123 |
|
|
124 |
If another call is made to this function before a previous one has
|
|
125 |
completed then aStatus will be completed straight away, with the
|
|
126 |
completion code KErrInUse.
|
|
127 |
|
|
128 |
@param aMessage The message to be sent.
|
|
129 |
@param aStatus Request status that is completed when the message has
|
|
130 |
been read. If there is an error sending the message
|
|
131 |
it will be stored in aStatus.Int().
|
|
132 |
*/
|
|
133 |
EXPORT_C void RT_LbsChannel::SendMessage(const TT_LbsMsgBase& aMessage,
|
|
134 |
TRequestStatus& aStatus)
|
|
135 |
{
|
|
136 |
// Must check that the previous message was read
|
|
137 |
TInt sendAck;
|
|
138 |
iSendMsgReadProperty.Get(sendAck);
|
|
139 |
if (sendAck == 1)
|
|
140 |
{
|
|
141 |
// Pending message has not been read yet; flag an error
|
|
142 |
TRequestStatus* statPtr = &aStatus;
|
|
143 |
User::RequestComplete(statPtr, KErrInUse);
|
|
144 |
}
|
|
145 |
else
|
|
146 |
{
|
|
147 |
// Publish the new message
|
|
148 |
iSendMsgReadProperty.Set(1);
|
|
149 |
iSendMsgReadProperty.Subscribe(aStatus);
|
|
150 |
TPckgC<TT_LbsMsgBase> pckg(aMessage);
|
|
151 |
iSendProperty.Set(pckg);
|
|
152 |
}
|
|
153 |
}
|
|
154 |
|
|
155 |
/** Cancel the current request status for SendMessage().
|
|
156 |
*/
|
|
157 |
EXPORT_C void RT_LbsChannel::CancelSendMessageNotification()
|
|
158 |
{
|
|
159 |
iSendMsgReadProperty.Cancel();
|
|
160 |
}
|
|
161 |
|
|
162 |
|
|
163 |
///////////////////////////////////////////////////////////////////////////////
|
|
164 |
// CT_ChannelMonitor - used to listen for incoming messages
|
|
165 |
///////////////////////////////////////////////////////////////////////////////
|
|
166 |
CT_ChannelMonitor* CT_ChannelMonitor::NewL(MT_LbsChannelObserver& aObserver, RT_LbsChannel::TT_LbsChannelId aChannelId, TUid aPropId, TUint aPropKey, TUint aAckPropKey)
|
|
167 |
{
|
|
168 |
CT_ChannelMonitor* self = new (ELeave) CT_ChannelMonitor(aObserver, aChannelId);
|
|
169 |
CleanupStack::PushL(self);
|
|
170 |
self->ConstructL(aPropId, aPropKey, aAckPropKey);
|
|
171 |
CleanupStack::Pop();
|
|
172 |
return self;
|
|
173 |
}
|
|
174 |
|
|
175 |
CT_ChannelMonitor::CT_ChannelMonitor(MT_LbsChannelObserver& aObserver, RT_LbsChannel::TT_LbsChannelId aChannelId) :
|
|
176 |
CActive(EPriorityStandard),
|
|
177 |
iObserver(aObserver),
|
|
178 |
iChannelId(aChannelId)
|
|
179 |
{
|
|
180 |
CActiveScheduler::Add(this);
|
|
181 |
}
|
|
182 |
|
|
183 |
CT_ChannelMonitor::~CT_ChannelMonitor()
|
|
184 |
{
|
|
185 |
Cancel();
|
|
186 |
iReceiveProperty.Close();
|
|
187 |
iReceiveMsgReadProperty.Close();
|
|
188 |
}
|
|
189 |
|
|
190 |
void CT_ChannelMonitor::ConstructL(TUid aPropId, TUint aPropKey, TUint aAckPropKey)
|
|
191 |
{
|
|
192 |
__ASSERT_DEBUG(iReceiveProperty.Handle()==NULL, User::Invariant()); //Handle open.
|
|
193 |
__ASSERT_DEBUG(iReceiveMsgReadProperty.Handle()==NULL, User::Invariant()); //Handle open.
|
|
194 |
|
|
195 |
User::LeaveIfError(iReceiveProperty.Attach(aPropId, aPropKey));
|
|
196 |
User::LeaveIfError(iReceiveMsgReadProperty.Attach(aPropId, aAckPropKey));
|
|
197 |
|
|
198 |
NotifyChannelMessage();
|
|
199 |
// flag we are ready for receiving messages
|
|
200 |
iReceiveMsgReadProperty.Set(0);
|
|
201 |
}
|
|
202 |
|
|
203 |
void CT_ChannelMonitor::NotifyChannelMessage()
|
|
204 |
{
|
|
205 |
iReceiveProperty.Subscribe(iStatus);
|
|
206 |
SetActive();
|
|
207 |
}
|
|
208 |
|
|
209 |
void CT_ChannelMonitor::RunL()
|
|
210 |
{
|
|
211 |
TInt result = iStatus.Int();
|
|
212 |
switch (result)
|
|
213 |
{
|
|
214 |
case KErrNone:
|
|
215 |
{
|
|
216 |
// Read property
|
|
217 |
TT_LbsMsgBase msg;
|
|
218 |
TPckg<TT_LbsMsgBase> pckg(msg);
|
|
219 |
iReceiveProperty.Get(pckg);
|
|
220 |
|
|
221 |
// resubscribe for further messages
|
|
222 |
NotifyChannelMessage();
|
|
223 |
|
|
224 |
// Notify observer
|
|
225 |
iObserver.ProcessChannelMessage(iChannelId, msg);
|
|
226 |
|
|
227 |
// flag message as read
|
|
228 |
iReceiveMsgReadProperty.Set(0);
|
|
229 |
break;
|
|
230 |
}
|
|
231 |
default:
|
|
232 |
{
|
|
233 |
User::Leave(result);
|
|
234 |
break;
|
|
235 |
}
|
|
236 |
}
|
|
237 |
}
|
|
238 |
|
|
239 |
void CT_ChannelMonitor::DoCancel()
|
|
240 |
{
|
|
241 |
iReceiveProperty.Cancel();
|
|
242 |
}
|
|
243 |
|
|
244 |
TInt CT_ChannelMonitor::RunError(TInt /*aError*/)
|
|
245 |
{
|
|
246 |
return KErrNone;
|
|
247 |
}
|