1 /** @addtogroup MCD_MCDIMPL_DAEMON_DEV
2 * @{
3 * @file
4 *
5 * <!-- Copyright Giesecke & Devrient GmbH 2009 - 2012 -->
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote
16 * products derived from this software without specific prior
17 * written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "TrustletSession.h"
33 #include <cstdlib>
34
35 #include "log.h"
36
37 using namespace std;
38
39 //------------------------------------------------------------------------------
TrustletSession(Connection * deviceConnection,uint32_t sessionId)40 TrustletSession::TrustletSession(Connection *deviceConnection, uint32_t sessionId)
41 {
42 this->deviceConnection = deviceConnection;
43 this->notificationConnection = NULL;
44 this->sessionId = sessionId;
45 sessionMagic = rand();
46 }
47
48
49 //------------------------------------------------------------------------------
~TrustletSession(void)50 TrustletSession::~TrustletSession(void)
51 {
52 map<uint32_t, CWsm_ptr>::iterator it;
53 delete notificationConnection;
54
55 if (!buffers.empty()) {
56 LOG_W("%s: Mapped buffers still available %u", __func__, buffers.size());
57 }
58 for ( it = buffers.begin() ; it != buffers.end(); it++ )
59 delete (*it).second;
60
61 buffers.clear();
62 }
63
64 //------------------------------------------------------------------------------
queueNotification(notification_t * notification)65 void TrustletSession::queueNotification(notification_t *notification)
66 {
67 notifications.push(*notification);
68 }
69
70 //------------------------------------------------------------------------------
processQueuedNotifications(void)71 void TrustletSession::processQueuedNotifications(void)
72 {
73 // Nothing to do here!
74 if (notificationConnection == NULL)
75 return;
76
77 while (!notifications.empty()) {
78 // Forward session ID and additional payload of
79 // notification to the just established connection
80 notificationConnection->writeData((void *)¬ifications.front(),
81 sizeof(notification_t));
82 notifications.pop();
83 }
84 }
85
86 //------------------------------------------------------------------------------
addBulkBuff(CWsm_ptr pWsm)87 bool TrustletSession::addBulkBuff(CWsm_ptr pWsm)
88 {
89 if (!pWsm)
90 return false;
91 if (buffers.find(pWsm->handle) != buffers.end()) {
92 delete pWsm;
93 return false;
94 }
95 buffers[pWsm->handle] = pWsm;
96 return true;
97 }
98
99 //------------------------------------------------------------------------------
removeBulkBuff(uint32_t handle)100 bool TrustletSession::removeBulkBuff(uint32_t handle)
101 {
102 if (buffers.find(handle) == buffers.end()) {
103 return false;
104 }
105 CWsm_ptr pWsm = buffers[handle];
106 delete pWsm;
107 buffers.erase(handle);
108 return true;
109 }
110
111
popBulkBuff()112 CWsm_ptr TrustletSession::popBulkBuff()
113 {
114 if (buffers.empty()) {
115 return NULL;
116 }
117
118 CWsm_ptr pWsm = buffers.begin()->second;
119 // Remove it from the map
120 buffers.erase(pWsm->handle);
121 return pWsm;
122 }
123
124 /** @} */
125