private async Task Should_send_logs_to_udp_syslog_service(IPEndPoint endpoint)
{
var syslogFormatter = new Rfc3164Formatter(Facility.Local0, "TestApp");
var sink = new SyslogUdpSink(endpoint, syslogFormatter);
// Start a simple UDP syslog server that will capture all received messaged
var receiver = new UdpSyslogReceiver();
receiver.MessageReceived += (_, msg) =>
{
this.messagesReceived.Add(msg);
this.countdown.Signal();
};
var receiveTask = receiver.StartReceiving(endpoint, this.cts.Token);
// Generate and send 3 log events
var logEvents = Some.LogEvents(3);
await sink.EmitBatchAsync(logEvents);
// Wait until the server has received all the messages we sent, or the timeout expires
await this.countdown.WaitAsync(4000, this.cts.Token);
// The server should have received all 3 messages sent by the sink
this.messagesReceived.Count.ShouldBe(logEvents.Length);
this.messagesReceived.ShouldAllBe(x => logEvents.Any(e => x.EndsWith(e.MessageTemplate.Text)));
sink.Dispose();
this.cts.Cancel();
await receiveTask;
}
public async Task Should_send_logs_to_udp_syslog_service()
{
var syslogFormatter = new Rfc3164Formatter(Facility.Local0, "TestApp");
var sink = new SyslogUdpSink(this.endpoint, syslogFormatter, this.batchConfig);
var log = GetLogger(sink);
var receiver = new UdpSyslogReceiver();
receiver.MessageReceived += (_, msg) =>
{
this.messagesReceived.Add(msg);
this.countdown.Signal();
};
var receiveTask = receiver.StartReceiving(this.endpoint, this.cts.Token);
log.Information("This is test message 1");
log.Warning("This is test message 2");
log.Error("This is test message 3");
await this.countdown.WaitAsync(20000, this.cts.Token);
this.messagesReceived.Count.ShouldBe(3);
this.messagesReceived.ShouldContain(x => x.StartsWith("<134>"));
this.messagesReceived.ShouldContain(x => x.StartsWith("<132>"));
this.messagesReceived.ShouldContain(x => x.StartsWith("<131>"));
sink.Dispose();
this.cts.Cancel();
await receiveTask;
}
private async Task SendUdpAsync(IPAddress address)
{
// Start a simple UDP syslog server that will capture all received messaged
var receiver = new UdpSyslogReceiver(this.cts.Token);
receiver.MessageReceived += (_, msg) =>
{
this.messagesReceived.Add(msg);
this.countdown.Signal();
};
var syslogFormatter = new Rfc3164Formatter(Facility.Local0, "TestApp");
var ipEndPoint = new IPEndPoint(address, receiver.ListeningIPEndPoint.Port);
var sink = new SyslogUdpSink(ipEndPoint, syslogFormatter);
// Generate and send 3 log events
var logEvents = Some.LogEvents(NumberOfEventsToSend);
await sink.EmitBatchAsync(logEvents);
// Wait until the server has received all the messages we sent, or the timeout expires
await this.countdown.WaitAsync(TimeoutInSeconds, this.cts.Token);
// The server should have received all 3 messages sent by the sink
this.messagesReceived.Count.ShouldBe(logEvents.Length);
this.messagesReceived.ShouldAllBe(x => logEvents.Any(e => x.EndsWith(e.MessageTemplate.Text)));
sink.Dispose();
this.cts.Cancel();
}
public void Should_override_log_host_name()
{
var template = new MessageTemplateParser().Parse("This is a test message");
var warnEvent = new LogEvent(this.timestamp, LogEventLevel.Warning, null, template, Enumerable.Empty <LogEventProperty>());
const string hostname = "NewHostName";
var localFormatter = new Rfc3164Formatter(Facility.User, APP_NAME, null, hostname);
var formatted = localFormatter.FormatMessage(warnEvent);
var match = this.regex.Match(formatted);
match.Success.ShouldBeTrue();
match.Groups["host"].Value.ShouldBe(hostname);
}
public void Should_send_logs_to_syslog_service()
{
var syslogFormatter = new Rfc3164Formatter(Facility.Local0, "TestApp");
var syslogService = A.Fake <LocalSyslogService>();
var sink = new SyslogLocalSink(syslogFormatter, syslogService);
var log = GetLogger(sink);
log.Information("This is a test message");
sink.Dispose();
A.CallTo(() => syslogService.Open()).MustHaveHappened();
A.CallTo(() => syslogService.WriteLog(134, A <string> .That.EndsWith("This is a test message"))).MustHaveHappened();
A.CallTo(() => syslogService.Close()).MustHaveHappened();
}
public void Should_override_severity_with_alternate_severityMapping()
{
const string msg = "The mapping of Serilog EventLogLevel.Verbose has been overridden to Syslog Severity.Debug.";
var syslogFormatter = new Rfc3164Formatter(Facility.Local0, "TestApp",
severityMapping: level => SyslogLoggerConfigurationExtensions.ValueBasedLogLevelToSeverityMap(level));
var syslogService = A.Fake <LocalSyslogService>();
var sink = new SyslogLocalSink(syslogFormatter, syslogService);
var log = new LoggerConfiguration()
.WriteTo.Sink(sink).MinimumLevel.Verbose()
.CreateLogger();
log.Verbose(msg);
sink.Dispose();
// With the custom severity mapping and a Facility of Local0, the calculated priority should be:
// Local0 * 8 + Severity.Debug = 16 * 8 + 7 = 135
A.CallTo(() => syslogService.Open()).MustHaveHappened();
A.CallTo(() => syslogService.WriteLog(135, A <string> .That.EndsWith(msg))).MustHaveHappened();
A.CallTo(() => syslogService.Close()).MustHaveHappened();
}
