// ForwarderLoader1 is a more strictly typed version of ForwarderLoader
func ForwarderLoader1(ctx context.Context, forwardTo *config.ForwardTo) (protocol.Forwarder, *Forwarder, error) {
proxyVersion, ok := ctx.Value("version").(string)
if !ok || proxyVersion == "" {
proxyVersion = "UNKNOWN_VERSION"
}
if forwardTo.FormatVersion == nil {
forwardTo.FormatVersion = workarounds.GolangDoesnotAllowPointerToUintLiteral(3)
}
if *forwardTo.FormatVersion == 1 {
log.WithField("forwardTo", forwardTo).Warn("Old formats not supported in signalfxforwarder. Using newer format. Please update config to use format version 2 or 3")
}
structdefaults.FillDefaultFrom(forwardTo, defaultConfigV2)
log.WithField("forwardTo", forwardTo).Info("Creating signalfx forwarder using final config")
fwd := NewSignalfxJSONForwarder(*forwardTo.URL, *forwardTo.TimeoutDuration,
*forwardTo.DefaultAuthToken, *forwardTo.DrainingThreads,
*forwardTo.DefaultSource, *forwardTo.SourceDimensions, proxyVersion)
fwd.eventURL = *forwardTo.EventURL
counter := &dpsink.Counter{}
dims := protocol.ForwarderDims(*forwardTo.Name, "sfx_protobuf_v2")
buffer := dpbuffered.NewBufferedForwarder(ctx, *(&dpbuffered.Config{}).FromConfig(forwardTo), fwd)
return &protocol.CompositeForwarder{
Sink: dpsink.FromChain(buffer, dpsink.NextWrap(counter)),
Keeper: stats.ToKeeperMany(dims, counter, buffer),
Closer: protocol.CompositeCloser(protocol.OkCloser(buffer.Close)),
}, fwd, nil
}
// ForwarderLoader loads a carbon forwarder that is buffered
func ForwarderLoader(ctx context.Context, forwardTo *config.ForwardTo) (protocol.Forwarder, error) {
structdefaults.FillDefaultFrom(forwardTo, defaultForwarderConfig)
if forwardTo.Host == nil {
return nil, errRequiredHost
}
fwd, err := NewForwarder(*forwardTo.Host, *forwardTo.Port, *forwardTo.TimeoutDuration, forwardTo.DimensionsOrder, *forwardTo.DrainingThreads)
if err != nil {
return nil, err
}
counter := &dpsink.Counter{}
dims := protocol.ForwarderDims(*forwardTo.Name, "carbon")
buffer := dpbuffered.NewBufferedForwarder(ctx, *(&dpbuffered.Config{}).FromConfig(forwardTo), fwd)
return &protocol.CompositeForwarder{
Sink: dpsink.FromChain(buffer, dpsink.NextWrap(counter)),
Keeper: stats.ToKeeperMany(dims, counter, buffer),
Closer: protocol.CompositeCloser(protocol.OkCloser(buffer.Close), fwd),
}, nil
}