void Log::formatter(boost::log::record_view const &rec, boost::log::formatting_ostream &s)
{
const boost::log::attribute_value_set& attrSet = rec.attribute_values();
static std::locale loc(std::clog.getloc(), new boost::posix_time::time_facet("%Y-%m-%d %T.%f"));
std::stringstream ss;
ss.imbue(loc);
if(!ss.good()) return;
ss << boost::log::extract<boost::posix_time::ptime>("Timestamp", rec);
if(!ss.good()) return;
s << '[' << ss.str() << ']';
s << ' ' << boost::log::extract<std::string>("Channel", rec);
if(attrSet.find("Scope") != attrSet.end())
s << '(' << boost::log::extract<std::string>("Scope", rec) << ')';
s << '/' << boost::log::extract<severity_level>("Severity", rec);
if(attrSet.find("RouterHash") != attrSet.end())
s << " [" << boost::log::extract<RouterHash>("RouterHash", rec) << ']';
if(attrSet.find("Endpoint") != attrSet.end())
s << " [" << boost::log::extract<Endpoint>("Endpoint", rec) << ']';
s << ": " << rec[expr::smessage];
}
void operator()(logging::record_view const& rec, logging::formatting_ostream& strm) const
{
// We need to acquire the attribute value from the log record
logging::visit< scope_stack >
(
name_,
rec.attribute_values(),
boost::bind(&scope_list_formatter::format, _1, boost::ref(strm))
);
}
void StatsBackend::consume(boost::log::record_view const& rec)
{
std::lock_guard<std::mutex> lock(m_mutex);
if(rec.attribute_values().count("sent")) {
m_stats.bytes_sent += boost::log::extract<uint64_t>("sent", rec).get();
} else if(rec.attribute_values().count("received")) {
m_stats.bytes_recv += boost::log::extract<uint64_t>("received", rec).get();
} else if(rec.attribute_values().count("peers")) {
m_stats.peer_count = boost::log::extract<uint32_t>("peers", rec).get();
} else if(rec.attribute_values().count("i2np_ib")) {
std::string msg_type = boost::log::extract<std::string>("i2np_ib", rec).get();
if (m_stats.i2np_ib.find(msg_type) == m_stats.i2np_ib.end()) {
m_stats.i2np_ib[msg_type] = 0;
}
m_stats.i2np_ib[msg_type] += 1;
} else if(rec.attribute_values().count("i2np_ob")) {
std::string msg_type = boost::log::extract<std::string>("i2np_ob", rec).get();
if (m_stats.i2np_ob.find(msg_type) == m_stats.i2np_ob.end()) {
m_stats.i2np_ob[msg_type] = 0;
}
m_stats.i2np_ob[msg_type] += 1;
} else if(rec.attribute_values().count("participating")) {
m_stats.participating_tunnels = boost::log::extract<uint32_t>("participating", rec).get();
}
}
// The function consumes the log records that come from the frontend
void stat_collector::consume(logging::record_view const& rec)
{
// Accumulate statistical readings
if (rec.attribute_values().count("Connected"))
++m_active_connections;
else if (rec.attribute_values().count("Disconnected"))
--m_active_connections;
else
{
namespace phoenix = boost::phoenix;
logging::visit(sent, rec, phoenix::ref(m_sent_bytes) += phoenix::placeholders::_1);
logging::visit(received, rec, phoenix::ref(m_received_bytes) += phoenix::placeholders::_1);
}
++m_collected_count;
// Check if it's time to write the accumulated data to the file
boost::posix_time::ptime now = boost::posix_time::microsec_clock::universal_time();
if (now - m_last_store_time >= m_write_interval)
{
write_data();
m_last_store_time = now;
}
}
/*!
* Checking operator
*
* \param rec A log record
* \return \c true if the log record contains the sought attribute value, \c false otherwise
*/
result_type operator() (boost::log::record_view const& rec) const
{
return operator()(rec.attribute_values());
}
