From 17b117e73df71925d73ee026b4f54aa1867ce0a5 Mon Sep 17 00:00:00 2001
From: Jesse Gilles <jgilles@multitech.com>
Date: Mon, 20 Apr 2015 16:49:52 -0500
Subject: initial commit

---
 src/MTS_TimerThread.cpp | 116 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 src/MTS_TimerThread.cpp

(limited to 'src/MTS_TimerThread.cpp')

diff --git a/src/MTS_TimerThread.cpp b/src/MTS_TimerThread.cpp
new file mode 100644
index 0000000..5a69c46
--- /dev/null
+++ b/src/MTS_TimerThread.cpp
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2015 by Multi-Tech Systems
+ *
+ * This file is part of libmts.
+ *
+ * libmts is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * libmts 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libmts.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <mts/MTS_TimerThread.h>
+#include <mts/MTS_Logger.h>
+
+using namespace MTS;
+
+TimerThread::TimerThread(const std::string& name)
+: Thread(name, true)
+, m_bCurrentlyExecuting(false)
+, m_bExecutionStopped(false)
+, m_ui32IntervalMillis(1000)
+{
+	init();
+}
+
+TimerThread::TimerThread(const std::string& name, uint32_t intervalMillis)
+: Thread(name, true)
+, m_bCurrentlyExecuting(false)
+, m_bExecutionStopped(false)
+, m_ui32IntervalMillis(intervalMillis)
+{
+	init();
+}
+
+void TimerThread::init()
+{
+	printConfig("TimerThread| %s - starting up", Thread::getName().c_str());
+	m_apStateLock.reset(new MTS::Lock);
+}
+
+TimerThread::~TimerThread()
+{
+	stop();
+	m_apStateLock.reset();
+	printConfig("TimerThread| %s - shutting down", Thread::getName().c_str());
+}
+
+void TimerThread::stopExecution()
+{
+	m_apStateLock->lock();
+	m_bExecutionStopped = true;
+	m_apStateLock->unlock();
+	printDebug("TimerThread| %s - stopping execution of task", Thread::getName().c_str());
+}
+
+void TimerThread::restartExecution()
+{
+	m_apStateLock->lock();
+	m_bExecutionStopped = false;
+	m_apStateLock->unlock();
+	printDebug("TimerThread| %s - restarting execution of task", Thread::getName().c_str());
+}
+
+void TimerThread::run()
+{
+	uint32_t intervalMillis;
+	bool executionStopped;
+
+	while (! Thread::isCanceled())
+	{
+		m_apStateLock->lock();
+		intervalMillis = m_ui32IntervalMillis;
+		executionStopped = m_bExecutionStopped;
+		m_apStateLock->unlock();
+
+		if (! executionStopped)
+		{
+			printTrace("TimerThread| %s - starting execute() function", Thread::getName().c_str());
+			m_apStateLock->lock();
+			m_bCurrentlyExecuting = true;
+			m_apStateLock->unlock();
+			execute();
+			m_apStateLock->lock();
+			m_bCurrentlyExecuting = false;
+			m_apStateLock->unlock();
+			printTrace("TimerThread| %s - finished execute() function", Thread::getName().c_str());
+		}
+		Thread::sleep(intervalMillis);
+	}
+}
+
+bool TimerThread::isExecuting() const
+{
+	bool retval = false;
+	m_apStateLock->lock();
+	retval = m_bCurrentlyExecuting;
+	m_apStateLock->unlock();
+
+	return retval;
+}
+
+void TimerThread::updateIntervalMillis(uint32_t newMillis)
+{
+	m_apStateLock->lock();
+	m_ui32IntervalMillis = newMillis;
+	m_apStateLock->unlock();
+}
-- 
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