Client-server through DBus, cmake support

[qtrapids] / src / server / AlertWaiterThread.cpp

diff --git a/src/server/AlertWaiterThread.cpp b/src/server/AlertWaiterThread.cpp
new file mode 100644 (file)
index 0000000..f6029be
--- /dev/null
+++ b/src/server/AlertWaiterThread.cpp
@@ -0,0 +1,71 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Lassi Väätämöinen   *
+ *   lassi.vaatamoinen@ixonos.com   *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "AlertWaiterThread.hpp"
+#include <QDebug>
+
+
+namespace qtrapids
+{
+
+    // Constants:
+    // Timeout for waiting alerts
+    const libtorrent::time_duration ALERT_WAIT_TIMEOUT 
+    = libtorrent::time_duration(libtorrent::seconds(15));
+
+
+    AlertWaiterThread::AlertWaiterThread(session_t *session, QObject* parent) : 
+               QThread(parent),
+               btSession_(session)
+    {
+    }
+
+
+    AlertWaiterThread::~AlertWaiterThread()
+    {
+    }
+
+
+    void AlertWaiterThread::allAlerts(bool enable)
+    {
+        // If all enabled, set all alert cateogries:
+        if (enable) {
+            btSession_->set_alert_mask(libtorrent::alert::all_categories);
+        } else {
+            // Otherwise set to default, which is only error notifications.
+            btSession_->set_alert_mask(libtorrent::alert::error_notification);
+        }
+    }
+
+
+    void AlertWaiterThread::run()
+    {
+        alert_t const *alertTemp = NULL;
+        while (true) {
+            // wait_for_alert() call blocks. Returns libtorrent alert. 
+            // Returns NULL, if no alerts in timeout period.
+            alertTemp = btSession_->wait_for_alert(ALERT_WAIT_TIMEOUT);
+            emit alert();
+            // 2000 us = 2ms. Gives main thread time to handle alert signal.
+            usleep(2000); 
+        }
+    }
+
+}