include/MUtils/IPCChannel.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2019 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This library is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU Lesser General Public
   7 // License as published by the Free Software Foundation; either
   8 // version 2.1 of the License, or (at your option) any later version.
   9 //
  10 // This library is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 // Lesser General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU Lesser General Public
  16 // License along with this library; if not, write to the Free Software
  17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  18 //
  19 // http://www.gnu.org/licenses/lgpl-2.1.txt
  20 //////////////////////////////////////////////////////////////////////////////////
  21
  22 #pragma once
  23
  24 //MUtils
  25 #include <MUtils/Global.h>
  26
  27 //Qt
  28 #include <QtGlobal>
  29 #include <QStringList>
  30
  31 namespace MUtils
  32 {
  33         class MUTILS_API IPCChannel_Private;
  34
  35         class MUTILS_API IPCChannel
  36         {
  37         public:
  38                 static const quint32 MAX_PARAM_LEN = 4096;
  39                 static const quint32 MAX_PARAM_CNT = 4;
  40
  41                 typedef enum
  42                 {
  43                         RET_SUCCESS_MASTER = 0,
  44                         RET_SUCCESS_SLAVE = 1,
  45                         RET_ALREADY_INITIALIZED = 2,
  46                         RET_FAILURE = 3
  47                 }
  48                 ipc_result_t;
  49
  50                 IPCChannel(const QString &applicationId, const quint32 &versionNo, const QString &channelId);
  51                 ~IPCChannel(void);
  52
  53                 int initialize(void);
  54
  55                 bool send(const quint32 &command, const quint32 &flags, const QStringList &params = QStringList());
  56                 bool read(quint32 &command, quint32 &flags, QStringList &params);
  57
  58         private:
  59                 IPCChannel(const IPCChannel&) : p(NULL), m_appVersionNo(-1) { throw "Constructor is disabled!"; }
  60                 IPCChannel &operator=(const IPCChannel&) { throw "Assignment operator is disabled!"; return *this; }
  61
  62                 const QString m_applicationId;
  63                 const QString m_channelId;
  64                 const unsigned int m_appVersionNo;
  65                 const QByteArray m_headerStr;
  66
  67                 IPCChannel_Private *const p;
  68         };
  69 }