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
37using namespace std;
38
39//------------------------------------------------------------------------------
40TrustletSession::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//------------------------------------------------------------------------------
50TrustletSession::~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//------------------------------------------------------------------------------
65void TrustletSession::queueNotification(notification_t *notification)
66{
67    notifications.push(*notification);
68}
69
70//------------------------------------------------------------------------------
71void 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 *)&notifications.front(),
81                                          sizeof(notification_t));
82        notifications.pop();
83    }
84}
85
86//------------------------------------------------------------------------------
87bool 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//------------------------------------------------------------------------------
100bool 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
112CWsm_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