Function openTraceFile

flow/Trace.cpp:750–786

}

void openTraceFile(const NetworkAddress& na,
                   uint64_t rollsize,
                   uint64_t maxLogsSize,
                   std::string directory,
                   std::string baseOfBase,
                   std::string logGroup,
                   std::string identifier,
                   std::string tracePartialFileSuffix) {
	if (g_traceLog.isOpen())
		return;

	if (directory.empty())
		directory = ".";

	if (baseOfBase.empty())
		baseOfBase = "trace";

	std::string ip = na.ip.toString();
	std::replace(ip.begin(), ip.end(), ':', '_'); // For IPv6, Windows doesn't accept ':' in filenames.
	std::string baseName;
	if (identifier.size() > 0) {
		baseName = format("%s.%s.%s", baseOfBase.c_str(), ip.c_str(), identifier.c_str());
	} else {
		baseName = format("%s.%s.%d", baseOfBase.c_str(), ip.c_str(), na.port);
	}
	g_traceLog.open(directory,
	                baseName,
	                logGroup,
	                format("%lld", time(nullptr)),
	                rollsize,
	                maxLogsSize,
	                !g_network->isSimulated() ? na : Optional<NetworkAddress>(),
	                tracePartialFileSuffix);

	uncancellable(recurring(&flushTraceFile, FLOW_KNOBS->TRACE_FLUSH_INTERVAL, TaskPriority::FlushTrace));
	g_traceBatch.dump();
}

void initTraceEventMetrics() {
	g_traceLog.initMetrics();