moved library

cpp/alert.cpp

@@ -0,0 +1,124 @@
+/*
+
+Copyright (c) 2003, Arvid Norberg, Daniel Wallin
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * 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.
+    * Neither the name of the author 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 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.
+
+*/
+
+#include "libtorrent/alert.hpp"
+
+namespace libtorrent {
+
+	alert::alert(severity_t severity, const std::string& msg)
+		: m_msg(msg)
+		, m_severity(severity)
+		, m_timestamp(boost::posix_time::second_clock::universal_time())
+	{
+	}
+
+	alert::~alert()
+	{
+	}
+
+	boost::posix_time::ptime alert::timestamp() const
+	{
+		return m_timestamp;
+	}
+
+	const std::string& alert::msg() const
+	{
+		return m_msg;
+	}
+
+	alert::severity_t alert::severity() const
+	{
+		return m_severity;
+	}
+
+
+
+	alert_manager::alert_manager()
+		: m_severity(alert::none)
+	{}
+
+	alert_manager::~alert_manager()
+	{
+		while (!m_alerts.empty())
+		{
+			delete m_alerts.front();
+			m_alerts.pop();
+		}
+	}
+
+	void alert_manager::post_alert(const alert& alert_)
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		if (m_severity > alert_.severity()) return;
+
+		// the internal limit is 100 alerts
+		if (m_alerts.size() == 100)
+		{
+			alert* result = m_alerts.front();
+			m_alerts.pop();
+			delete result;
+		}
+		m_alerts.push(alert_.clone().release());
+	}
+
+	std::auto_ptr<alert> alert_manager::get()
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		assert(!m_alerts.empty());
+
+		alert* result = m_alerts.front();
+		m_alerts.pop();
+		return std::auto_ptr<alert>(result);
+	}
+
+	bool alert_manager::pending() const
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		return !m_alerts.empty();
+	}
+
+	void alert_manager::set_severity(alert::severity_t severity)
+	{
+		boost::mutex::scoped_lock lock(m_mutex);
+		
+		m_severity = severity;
+	}
+	
+	bool alert_manager::should_post(alert::severity_t severity) const
+	{
+		return severity >= m_severity;
+	}
+
+} // namespace libtorrent
+