tracing

const (
	RequestCount          = "http.server.request_count"           // Incoming request count total
	RequestContentLength  = "http.server.request_content_length"  // Incoming request bytes total
	ResponseContentLength = "http.server.response_content_length" // Incoming response bytes total
	ServerLatency         = "http.server.duration"                // Incoming end to end duration, microseconds
)

const (
	ClientLatency      = "http.client.duration"
	ClientRequestSize  = "http.client.request.size"
	ClientResponseSize = "http.client.response.size"
)

const (
	ReadBytesKey  = attribute.Key("http.read_bytes")  // if anything was read from the request body, the total number of bytes read
	ReadErrorKey  = attribute.Key("http.read_error")  // If an error occurred while reading a request, the string of the error (io.EOF is not recorded)
	WroteBytesKey = attribute.Key("http.wrote_bytes") // if anything was written to the response writer, the total number of bytes written
	WriteErrorKey = attribute.Key("http.write_error") // if an error occurred while writing a reply, the string of the error (io.EOF is not recorded)
)

const (
	// PeerServiceNamespaceKey peer.service.namespace
	PeerServiceNamespaceKey = attribute.Key("peer.service.namespace")
	// PeerDeploymentEnvironmentKey peer.deployment.environment
	PeerDeploymentEnvironmentKey = attribute.Key("peer.deployment.environment")
)

const (
	// RequestProtocolKey protocol of the request.
	//
	// Type: string
	// Required: Always
	// Examples:
	// http: 'http'
	// rpc: 'grpc', 'java_rmi', 'wcf', 'kitex'
	// db: mysql, postgresql
	// mq: 'rabbitmq', 'activemq', 'AmazonSQS'
	RequestProtocolKey = attribute.Key("request.protocol")
)

const (
	StatusKey = attribute.Key("status.code")
)