1 files changed, 129 insertions, 0 deletions
diff --git a/src/lib/server/ClientProxy1_3.cpp b/src/lib/server/ClientProxy1_3.cpp
new file mode 100644
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+++ b/src/lib/server/ClientProxy1_3.cpp
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+/*
+ * barrier -- mouse and keyboard sharing utility
+ * Copyright (C) 2012-2016 Symless Ltd.
+ * Copyright (C) 2006 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "server/ClientProxy1_3.h"
+
+#include "barrier/ProtocolUtil.h"
+#include "base/Log.h"
+#include "base/IEventQueue.h"
+#include "base/TMethodEventJob.h"
+
+#include <cstring>
+#include <memory>
+
+//
+// ClientProxy1_3
+//
+
+ClientProxy1_3::ClientProxy1_3(const String& name, barrier::IStream* stream, IEventQueue* events) :
+    ClientProxy1_2(name, stream, events),
+    m_keepAliveRate(kKeepAliveRate),
+    m_keepAliveTimer(NULL),
+    m_events(events)
+{
+    setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
+}
+
+ClientProxy1_3::~ClientProxy1_3()
+{
+    // cannot do this in superclass or our override wouldn't get called
+    removeHeartbeatTimer();
+}
+
+void
+ClientProxy1_3::mouseWheel(SInt32 xDelta, SInt32 yDelta)
+{
+    LOG((CLOG_DEBUG2 "send mouse wheel to \"%s\" %+d,%+d", getName().c_str(), xDelta, yDelta));
+    ProtocolUtil::writef(getStream(), kMsgDMouseWheel, xDelta, yDelta);
+}
+
+bool
+ClientProxy1_3::parseMessage(const UInt8* code)
+{
+    // process message
+    if (memcmp(code, kMsgCKeepAlive, 4) == 0) {
+        // reset alarm
+        resetHeartbeatTimer();
+        return true;
+    }
+    else {
+        return ClientProxy1_2::parseMessage(code);
+    }
+}
+
+void
+ClientProxy1_3::resetHeartbeatRate()
+{
+    setHeartbeatRate(kKeepAliveRate, kKeepAliveRate * kKeepAlivesUntilDeath);
+}
+
+void
+ClientProxy1_3::setHeartbeatRate(double rate, double)
+{
+    m_keepAliveRate = rate;
+    ClientProxy1_2::setHeartbeatRate(rate, rate * kKeepAlivesUntilDeath);
+}
+
+void
+ClientProxy1_3::resetHeartbeatTimer()
+{
+    // reset the alarm but not the keep alive timer
+    ClientProxy1_2::removeHeartbeatTimer();
+    ClientProxy1_2::addHeartbeatTimer();
+}
+
+void
+ClientProxy1_3::addHeartbeatTimer()
+{
+    // create and install a timer to periodically send keep alives
+    if (m_keepAliveRate > 0.0) {
+        m_keepAliveTimer = m_events->newTimer(m_keepAliveRate, NULL);
+        m_events->adoptHandler(Event::kTimer, m_keepAliveTimer,
+                            new TMethodEventJob<ClientProxy1_3>(this,
+                                &ClientProxy1_3::handleKeepAlive, NULL));
+    }
+
+    // superclass does the alarm
+    ClientProxy1_2::addHeartbeatTimer();
+}
+
+void
+ClientProxy1_3::removeHeartbeatTimer()
+{
+    // remove the timer that sends keep alives periodically
+    if (m_keepAliveTimer != NULL) {
+        m_events->removeHandler(Event::kTimer, m_keepAliveTimer);
+        m_events->deleteTimer(m_keepAliveTimer);
+        m_keepAliveTimer = NULL;
+    }
+
+    // superclass does the alarm
+    ClientProxy1_2::removeHeartbeatTimer();
+}
+
+void
+ClientProxy1_3::handleKeepAlive(const Event&, void*)
+{
+    keepAlive();
+}
+
+void
+ClientProxy1_3::keepAlive()
+{
+    ProtocolUtil::writef(getStream(), kMsgCKeepAlive);
+}