datadog

type Collector struct {
	// contains filtered or unexported fields
}

type Config struct {
	// Address is the address of the datadog collector in the form of "hostname:port" or "unix:///path/to/socket"
	// It will supercede `Hostname` and `Port`.
	Address string `json:"address,omitempty" yaml:"address,omitempty" env:"DATADOG_ADDRESS"`
	// TraceAddress is the address of the datadog collector in the form of "hostname:port" or "unix:///path/to/trace-socket"
	// It will supercede `TraceHostname` and `TracePort`
	TraceAddress string `json:"traceAddress,omitempty" yaml:"traceAddress,omitempty" env:"DATADOG_TRACE_ADDRESS"`
	// ProfilerAddress is the address of the datadog collector in the form of "hostname:port" or "unix:///path/to/profiler-socket"
	ProfilerAddress string `json:"profilerAddress,omitempty" yaml:"profilerAddress,omitempty" env:"DATADOG_PROFILER_ADDRESS"`

	// Hostname is the host portion of a <host>:<port> address. It will be used in conjunction with `Port`
	// to form the default `Address`.
	Hostname string `json:"hostname,omitempty" yaml:"hostname,omitempty" env:"DATADOG_HOSTNAME"`

	// CentralHostname is meant to replace Hostname when a central server is used for metrics collection.
	// CentralHostname is the host portion of <host>:<port> address. It will be used in conjunction with `Port`
	// to form the default `Address`.
	CentralHostname string `json:"centralHostname,omitempty" yaml:"centralHostname,omitempty" env:"DATADOG_CENTRAL_HOSTNAME"`
	// Port is the port portion of a <host>:<port> address. It will be used in conjunction with `Host`
	// to form the default `Address`.
	Port string `json:"port,omitempty" yaml:"port,omitempty" env:"DATADOG_PORT"`

	// TraceHostname is the host portion of a <host>:<port> address. It will be used in conjunction with `TracePort`
	// to form the default `TraceAddress`.
	TraceHostname string `json:"traceHostname,omitempty" yaml:"traceHostname,omitempty" env:"DATADOG_TRACE_HOSTNAME"`
	// TracePort is the port portion of a <host>:<port> address. It will be used in conjunction with `TraceHost`
	// to form the default `TraceAddress`.
	TracePort string `json:"tracePort,omitempty" yaml:"tracePort,omitempty" env:"DATADOG_TRACE_PORT"`

	// TracingEnabled returns if we should use tracing or not.
	TracingEnabled *bool `json:"tracingEnabled,omitempty" yaml:"tracingEnabled,omitempty" env:"DATADOG_APM_ENABLED"`
	// TracingSampleRate is the default tracing sample rate, on the interval [0-1]
	TraceSampleRate *float64 `json:"traceSampleRate,omitempty" yaml:"traceSampleRate,omitempty" env:"DATADOG_APM_SAMPLE_RATE"`

	// ProfilingEnabled returns if we should use profiling or not.
	ProfilingEnabled *bool `json:"profilingEnabled,omitempty" yaml:"profilingEnabled,omitempty" env:"DATADOG_PROFILING_ENABLED"`

	// Buffered indicates if we should buffer statsd metrics.
	Buffered *bool `json:"buffered,omitempty" yaml:"buffered,omitempty" env:"DATADOG_BUFFERED"`
	// BufferDepth is the depth of the buffer for statsd metrics.
	BufferDepth int `json:"bufferDepth,omitempty" yaml:"bufferDepth,omitempty" env:"DATADOG_BUFFER_DEPTH"`

	// Namespace is an optional namespace.
	// The namespace is a prefix on all statsd metric names submitted to the collector.
	Namespace string `json:"namespace,omitempty" yaml:"namespace,omitempty" env:"DATADOG_NAMESPACE"`
	// DefaultTags are the default tags associated with any stat metric.
	DefaultTags []string `json:"defaultTags,omitempty" yaml:"defaultTags,omitempty" env:"DATADOG_DEFAULT_TAGS,csv"`
}

type RateSampler float64

type TracerOption func(*TracerOptions)

type TracerOptions struct {
	Addr        string
	StatsAddr   string
	ServiceName string
	ServiceEnv  string
	Version     string
	Hostname    string
	SampleRate  float64
	Tags        map[string]string
	Log         logger.Triggerable
}