public void can_format_payload()
{
var nameFormatter = new DefaultGraphiteNameFormatter();
var payload = new GraphitePayload();
var fieldsOne = new Dictionary <string, object> {
{ "key", "value" }
};
var timestampOne = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var pointOne = new GraphitePoint(null, "measurement", fieldsOne, MetricTags.Empty, timestampOne);
var fieldsTwo = new Dictionary <string, object>
{
{ "field1key", "field1value" },
{ "field2key", 2 },
{ "field3key", false }
};
var timestampTwo = new DateTime(2017, 1, 2, 1, 1, 1, DateTimeKind.Utc);
var pointTwo = new GraphitePoint(null, "measurement", fieldsTwo, MetricTags.Empty, timestampTwo);
payload.Add(pointOne);
payload.Add(pointTwo);
payload.Format(nameFormatter).Should()
.Be(
"measurement.key value 1483232461\nmeasurement.field1key field1value 1483318861\nmeasurement.field2key 2 1483318861\nmeasurement.field3key f 1483318861\n");
}
public void can_format_payload_correctly()
{
var nameFormatter = new DefaultGraphiteNameFormatter();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var timestamp = new DateTime(2017, 1, 1, 1, 1, 1, DateTimeKind.Utc);
var point = new GraphitePoint(null, "measurement", fields, MetricTags.Empty, timestamp);
var paload = new GraphitePayload {
point
};
paload.Format(nameFormatter).Should().Be("measurement.key value 1483232461\n");
}
public void when_null_text_writer_ignore_and_dont_throw()
{
var payload = new GraphitePayload();
var fields = new Dictionary <string, object> {
{ "key", "value" }
};
var pointOne = new GraphitePoint(null, "measurement", fields, MetricTags.Empty);
Action action = () =>
{
payload.Add(pointOne);
payload.Format(null);
};
action.ShouldNotThrow();
}
public static string Format(this GraphitePayload payload, IGraphiteNameFormatter formatter)
{
if (formatter == null)
{
return(null);
}
var sb = new StringBuilder();
foreach (var formatted in payload.SelectMany(formatter.Format))
{
sb.Append(formatted);
sb.Append("\n");
}
return(sb.ToString());
}
public async Task <GraphiteWriteResult> WriteAsync(
GraphitePayload payload,
CancellationToken cancellationToken = default(CancellationToken))
{
if (NeedToBackoff())
{
return(new GraphiteWriteResult(false, "Too many failures in writing to Graphite, Circuit Opened"));
}
try
{
var batches = payload.ToBatches(_graphiteSettings.BatchSize).ToList();
switch (_graphiteSettings.Protocol)
{
case Protocol.Tcp:
await batches.TcpWriteAsync(_graphiteSettings, _httpPolicy, _logger, cancellationToken);
break;
case Protocol.Udp:
await batches.UdpWriteAsync(_graphiteSettings, _httpPolicy, _logger, cancellationToken);
break;
case Protocol.Pickled:
throw new NotImplementedException("Picked protocol not implemented, use UDP or TCP");
default:
throw new InvalidOperationException("Unsupported protocol, UDP, TCP and Pickled protocols are accepted");
}
return(GraphiteWriteResult.SuccessResult);
}
catch (Exception ex)
{
Interlocked.Increment(ref _failureAttempts);
_logger.LogError(LoggingEvents.GraphiteWriteError, "Failed to write to Graphite", ex);
return(new GraphiteWriteResult(false, ex.ToString()));
}
}
