protocols

package

v0.0.0-...-b21f224 Latest Latest Go to latest Published: Nov 7, 2024 License: Apache-2.0 Imports: 6 Imported by: 0

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Repository

github.com/DataDog/datadog-agent

Documentation ¶

Rendered for

Overview ¶

Package protocols provides the implementation of the network tracer protocols

Index ¶

Constants
func GetMap(mgr *manager.Manager, name string) (*ebpf.Map, error)
func GetSketchQuantile(sketch *ddsketch.DDSketch, percentile float64) float64
func NSTimestampToFloat(ns uint64) float64
type DispatcherProgramType
type ProgramType
type ProtocolType
- func (p ProtocolType) String() string
type Stack

Constants ¶

View Source

const (
	PostgresMaxMessagesPerTailCall = 0x50

	PostgresMaxTailCalls = 0x1
)

Variables ¶

This section is empty.

Functions ¶

func GetMap ¶

func GetMap(mgr *manager.Manager, name string) (*ebpf.Map, error)

GetMap retrieves an eBPF map by name from the provided manager

func GetSketchQuantile ¶

func GetSketchQuantile(sketch *ddsketch.DDSketch, percentile float64) float64

GetSketchQuantile returns the value at the given percentile in the sketch

func NSTimestampToFloat ¶

func NSTimestampToFloat(ns uint64) float64

NSTimestampToFloat converts a nanosec timestamp into a float nanosecond timestamp truncated to a fixed precision

Types ¶

type DispatcherProgramType ¶

type DispatcherProgramType uint32

const (
	DispatcherKafkaProg DispatcherProgramType = 0x0
)

type ProgramType ¶

type ProgramType uint32

const (
	ProgramHTTP ProgramType = 0x1

	ProgramHTTPTermination ProgramType = 0x2

	ProgramHTTP2HandleFirstFrame ProgramType = 0x3

	ProgramHTTP2FrameFilter ProgramType = 0x4

	ProgramHTTP2HeadersParser ProgramType = 0x5

	ProgramHTTP2DynamicTableCleaner ProgramType = 0x6

	ProgramHTTP2EOSParser ProgramType = 0x7

	ProgramHTTP2Termination ProgramType = 0x8

	ProgramKafka ProgramType = 0x9

	ProgramKafkaFetchResponsePartitionParserV0 ProgramType = 0xa

	ProgramKafkaFetchResponsePartitionParserV12 ProgramType = 0xb

	ProgramKafkaFetchResponseRecordBatchParserV0 ProgramType = 0xc

	ProgramKafkaFetchResponseRecordBatchParserV12 ProgramType = 0xd

	ProgramKafkaProduceResponsePartitionParserV0 ProgramType = 0xe

	ProgramKafkaProduceResponsePartitionParserV9 ProgramType = 0xf

	ProgramKafkaTermination ProgramType = 0x10

	ProgramPostgres ProgramType = 0x12

	ProgramPostgresHandleResponse ProgramType = 0x13

	ProgramPostgresParseMessage ProgramType = 0x14

	ProgramPostgresTermination ProgramType = 0x15

	ProgramRedis ProgramType = 0x16

	ProgramRedisTermination ProgramType = 0x17
)

type ProtocolType ¶

type ProtocolType uint8

ProtocolType is an enum of supported protocols

const (
	// Unknown is the default value, protocol was not detected
	Unknown ProtocolType = iota
	// HTTP protocol
	HTTP
	// HTTP2 protocol
	HTTP2
	// Kafka protocol
	Kafka
	// TLS protocol
	TLS
	// Mongo protocol
	Mongo
	// Postgres protocol
	Postgres
	// AMQP protocol
	AMQP
	// Redis protocol
	Redis
	// MySQL protocol
	MySQL
	// GRPC protocol
	GRPC
)

func API ¶

func API(protoNum uint8) ProtocolType

API layer of the protocol stack.

func Application ¶

func Application(protoNum uint8) ProtocolType

Application layer of the protocol stack.

func Encryption ¶

func Encryption(protoNum uint8) ProtocolType

Encryption layer of the protocol stack.

func (ProtocolType) String ¶

func (p ProtocolType) String() string

String returns the string representation of the protocol

type Stack ¶

type Stack struct {
	API         ProtocolType
	Application ProtocolType
	Encryption  ProtocolType
}

Stack is a set of protocols detected on a connection

func (*Stack) Contains ¶

func (s *Stack) Contains(proto ProtocolType) bool

Contains returns true if the stack contains the given protocol

func (*Stack) IsUnknown ¶

func (s *Stack) IsUnknown() bool

IsUnknown returns true if all protocol types are `Unknown`

func (*Stack) MergeWith ¶

func (s *Stack) MergeWith(other Stack)

MergeWith merges the other stack into the current one

Source Files ¶

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Directories ¶

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Path	Synopsis
amqp Package amqp provides a simple wrapper around 3rd party amqp client.	Package amqp provides a simple wrapper around 3rd party amqp client.
events
http Package http contains the userspace portion of USM's HTTP monitoring code	Package http contains the userspace portion of USM's HTTP monitoring code
debugging Package debugging provides a debugging view of the HTTP protocol.	Package debugging provides a debugging view of the HTTP protocol.
gotls
gotls/lookup Package lookup provides a lookup table for the protocol package.	Package lookup provides a lookup table for the protocol package.
gotls/lookup/internal/testprogram Package main provides a test program for generating lookup tables for TLS types	Package main provides a test program for generating lookup tables for TLS types
testutil Package testutil provides utilities for testing the HTTP protocol.	Package testutil provides utilities for testing the HTTP protocol.
http2 Package http2 provides a HTTP/2 implementation for the network package for supporting HTTP/2 and gRPC monitoring with USM.	Package http2 provides a HTTP/2 implementation for the network package for supporting HTTP/2 and gRPC monitoring with USM.
kafka
debugging Package debugging provides debug-friendly representations of internal data structures	Package debugging provides debug-friendly representations of internal data structures
mongo Package mongo provides a simple wrapper around 3rd party mongo client.	Package mongo provides a simple wrapper around 3rd party mongo client.
mysql Package mysql provides a MySQL client to interact with a MySQL server.	Package mysql provides a MySQL client to interact with a MySQL server.
postgres
debugging Package debugging provides debug-friendly representations of internal data structures	Package debugging provides debug-friendly representations of internal data structures
ebpf
redis
debugging Package debugging provides debug-friendly representation of internal data structures	Package debugging provides debug-friendly representation of internal data structures
telemetry Package telemetry provides a way to collect metrics from eBPF programs.	Package telemetry provides a way to collect metrics from eBPF programs.
testutil Package testutil provides utilities for testing the network package.	Package testutil provides utilities for testing the network package.
tls
gotls/testutil Package testutil provides utilities for testing the TLS package.	Package testutil provides utilities for testing the TLS package.
gotls/testutil/gotls_client Package main is a simple client for the gotls_server.	Package main is a simple client for the gotls_server.
gotls/testutil/gotls_server Package main is a simple client for the gotls_server.	Package main is a simple client for the gotls_server.
nodejs Package nodejs provides helpers to run nodejs HTTPs server.	Package nodejs provides helpers to run nodejs HTTPs server.