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/*****************************************************************************\
dbuscomm.cpp : Interface for DBusCommunicator class
Copyright (c) 1996 - 2011, HP Co.
All rights reserved.
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. Neither the name of HP nor the names of its
contributors may 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, PATENT INFRINGEMENT; 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.
Author: Amarnath Chitumalla
\*****************************************************************************/
#include "dbuscomm.h"
DBusCommunicator::DBusCommunicator()
{
m_strPrinterURI = "";
m_strPrinterName = "";
#ifdef HAVE_DBUS
m_DbusConnPtr = NULL;
#endif
}
/*
*
*
*/
bool DBusCommunicator::initDBusComm(string strDbusPath/*=""*/,string strInterfaceName/*=""*/,
string strPrinterURI/*=""*/, string strPrinterName/*= ""*/, int iJobId/*=0*/, string strUser/*=""*/)
{
#ifdef HAVE_DBUS
DBusError objError;
DBusError * pDBusError=&objError;
m_strPrinterURI = strPrinterURI;
m_strPrinterName = strPrinterName;
m_strDbusInterface = strInterfaceName;
m_strDbusPath = strDbusPath;
m_strUser = strUser;
m_iJobId = iJobId;
dbus_error_init(pDBusError);
m_DbusConnPtr = dbus_bus_get(DBUS_BUS_SYSTEM, pDBusError);
if(dbus_error_is_set(pDBusError))
{
dbglog("Error: dBus Connection Error (%s)!\n", pDBusError->message);
dbus_error_free(pDBusError);
}
if(m_DbusConnPtr == NULL)
{
dbglog("Error: dBus Connection Error (%s)!\n", pDBusError->message);
return false;
}
#endif
return true;
}
bool DBusCommunicator::sendEvent(string strDbusPath,string strInterfaceName, string strDeviceURI, string strPrinterName, int iEvent,
string strTitle/*=""*/, int iJobId/*=0*/, string strUser/*=""*/)
{
#ifdef HAVE_DBUS
if(NULL == m_DbusConnPtr )
{
dbglog("Error: dBus connection ptr is NULL.\n");
return false;
}
if(true == strDbusPath.empty() || true == strInterfaceName.empty() || 0 == iEvent)
{
dbglog("Error: dBus service Name can't be empty. DBus Path(%s) DBus Interface (%s) Event(%d)!\n",
strDbusPath.c_str(), strInterfaceName.c_str(), iEvent);
return false;
}
DBusMessage * msg = dbus_message_new_signal(strDbusPath.c_str(), strInterfaceName.c_str(), "Event");
if (NULL == msg)
{
dbglog("Error: dBus dbus_message_new_signal returned error. DBus Interface (%s) Event(%d)!\n", strInterfaceName.c_str(), iEvent);
return false;
}
if (NULL == msg)
{
dbglog("dbus message is NULL!\n");
return false;
}
const char * stURI=strDeviceURI.c_str();
const char * stPRNTNM=strPrinterName.c_str();
const char * stUSR=strUser.c_str();
const char * stTtl=strTitle.c_str();
dbus_message_append_args(msg,
DBUS_TYPE_STRING, &stURI,
DBUS_TYPE_STRING, &stPRNTNM,
DBUS_TYPE_UINT32, &iEvent,
DBUS_TYPE_STRING, &stUSR,
DBUS_TYPE_UINT32, &iJobId,
DBUS_TYPE_STRING, &stTtl,
DBUS_TYPE_INVALID);
if (!dbus_connection_send(m_DbusConnPtr , msg, NULL))
{
dbglog("dbus message send failed!\n");
return false;
}
dbus_connection_flush(m_DbusConnPtr );
dbus_message_unref(msg);
#endif
return true;
}
bool DBusCommunicator::sendEvent(int iEvent, string strTitle/*=""*/, int iJobId/*=0*/,string strUser/*=""*/)
{
return sendEvent(m_strDbusPath, m_strDbusInterface, m_strPrinterURI, m_strPrinterName, iEvent, strTitle, iJobId,strUser);
}
DBusCommunicator::~DBusCommunicator()
{
}
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