mobicore/daemon/Daemon/Device/TrustletSession.cpp

/** @addtogroup MCD_MCDIMPL_DAEMON_DEV
 * @{
 * @file
 *
 * <!-- Copyright Giesecke & Devrient GmbH 2009 - 2012 -->
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote
 *    products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "TrustletSession.h"
#include <cstdlib>

#include "log.h"

using namespace std;

//------------------------------------------------------------------------------
TrustletSession::TrustletSession(Connection *deviceConnection, uint32_t sessionId)
{
    this->deviceConnection = deviceConnection;
    this->notificationConnection = NULL;
    this->sessionId = sessionId;
    sessionMagic = rand();
}


//------------------------------------------------------------------------------
TrustletSession::~TrustletSession(void)
{
    map<uint32_t, CWsm_ptr>::iterator it;
    delete notificationConnection;

    if (!buffers.empty()) {
        LOG_W("%s: Mapped buffers still available %u", __func__, buffers.size());
    }
    for ( it = buffers.begin() ; it != buffers.end(); it++ )
        delete (*it).second;

    buffers.clear();
}

//------------------------------------------------------------------------------
void TrustletSession::queueNotification(notification_t *notification)
{
    notifications.push(*notification);
}

//------------------------------------------------------------------------------
void TrustletSession::processQueuedNotifications(void)
{
    // Nothing to do here!
    if (notificationConnection == NULL)
        return;

    while (!notifications.empty()) {
        // Forward session ID and additional payload of
        // notification to the just established connection
        notificationConnection->writeData((void *)&notifications.front(),
                                          sizeof(notification_t));
        notifications.pop();
    }
}

//------------------------------------------------------------------------------
bool TrustletSession::addBulkBuff(CWsm_ptr pWsm)
{
    if (!pWsm)
        return false;
    if (buffers.find(pWsm->handle) != buffers.end()) {
        delete pWsm;
        return false;
    }
    buffers[pWsm->handle] = pWsm;
    return true;
}

//------------------------------------------------------------------------------
bool TrustletSession::removeBulkBuff(uint32_t handle)
{
    if (buffers.find(handle) == buffers.end()) {
        return false;
    }
    CWsm_ptr pWsm = buffers[handle];
    delete pWsm;
    buffers.erase(handle);
    return true;
}


CWsm_ptr TrustletSession::popBulkBuff()
{
    if (buffers.empty()) {
        return NULL;
    }

    CWsm_ptr pWsm = buffers.begin()->second;
    // Remove it from the map
    buffers.erase(pWsm->handle);
    return pWsm;
}

/** @} */