netstack

package

v1.4.4-beta3 Latest Latest Go to latest Published: Sep 19, 2025 License: AGPL-3.0, MIT Imports: 18 Imported by: 0

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Valid go.mod file
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Repository

github.com/yaklang/yaklang

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Documentation ¶

Index ¶

func NewDefaultStack(ipAddr string, macAddress string, networkIfaceGateway string, ...) (*stack.Stack, error)
type Option
type TCPConn
type TransportHandler
type UDPConn

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func NewDefaultStack ¶

func NewDefaultStack(ipAddr string, macAddress string, networkIfaceGateway string, endpoint stack.LinkEndpoint, opts ...Option) (*stack.Stack, error)

Types ¶

type Option ¶

type Option func(*stack.Stack) error

func WithCreatingNIC ¶

func WithCreatingNIC(nicId tcpip.NICID, ep stack.LinkEndpoint) Option

func WithDefault ¶

func WithDefault() Option

WithDefault sets all default values for stack.

func WithDefaultTTL ¶

func WithDefaultTTL(ttl uint8) Option

WithDefaultTTL sets the default TTL used by stack.

func WithForwarding ¶

func WithForwarding(v bool) Option

WithForwarding sets packet forwarding between NICs for IPv4 & IPv6.

func WithICMPBurst ¶

func WithICMPBurst(burst int) Option

WithICMPBurst sets the number of ICMP messages that can be sent in a single burst.

func WithICMPLimit ¶

func WithICMPLimit(limit rate.Limit) Option

WithICMPLimit sets the maximum number of ICMP messages permitted by rate limiter.

func WithIPv4RouteTableDefaultGateway ¶

func WithIPv4RouteTableDefaultGateway(nicID tcpip.NICID, gateway netip.Addr) Option

func WithMainNICIP ¶

func WithMainNICIP(nicID tcpip.NICID, ip tcpip.Address, mac net.HardwareAddr) Option

func WithMulticastGroups ¶

func WithMulticastGroups(nicID tcpip.NICID, multicastGroups []netip.Addr) Option

withMulticastGroups adds a NIC to the given multicast groups.

func WithPromiscuousMode ¶

func WithPromiscuousMode(nicID tcpip.NICID, v bool) Option

WithPromiscuousMode sets promiscuous mode in the given NICs.

func WithRouteTable ¶

func WithRouteTable(nicID tcpip.NICID) Option

func WithSpoofing ¶

func WithSpoofing(nicID tcpip.NICID, v bool) Option

WithSpoofing sets address spoofing in the given NICs, allowing endpoints to bind to any address in the NIC.

func WithTCPCongestionControl ¶

func WithTCPCongestionControl(cc string) Option

WithTCPCongestionControl sets the current congestion control algorithm.

func WithTCPDelay ¶

func WithTCPDelay(v bool) Option

WithTCPDelay enables or disables Nagle's algorithm in TCP.

func WithTCPHandler ¶

func WithTCPHandler(handle func(TCPConn)) Option

func WithTCPModerateReceiveBuffer ¶

func WithTCPModerateReceiveBuffer(v bool) Option

WithTCPModerateReceiveBuffer sets receive buffer moderation for TCP.

func WithTCPReceiveBufferSize ¶

func WithTCPReceiveBufferSize(size int) Option

WithTCPReceiveBufferSize sets the default receive buffer size for TCP.

func WithTCPReceiveBufferSizeRange ¶

func WithTCPReceiveBufferSizeRange(a, b, c int) Option

WithTCPReceiveBufferSizeRange sets the receive buffer size range for TCP.

func WithTCPRecovery ¶

func WithTCPRecovery(v tcpip.TCPRecovery) Option

WithTCPRecovery sets the recovery option for TCP.

func WithTCPSACKEnabled ¶

func WithTCPSACKEnabled(v bool) Option

WithTCPSACKEnabled sets the SACK option for TCP.

func WithTCPSendBufferSize ¶

func WithTCPSendBufferSize(size int) Option

WithTCPSendBufferSize sets default the send buffer size for TCP.

func WithTCPSendBufferSizeRange ¶

func WithTCPSendBufferSizeRange(a, b, c int) Option

WithTCPSendBufferSizeRange sets the send buffer size range for TCP.

func WithUDPHandler ¶

func WithUDPHandler(handle func(UDPConn)) Option

type TCPConn ¶

type TCPConn interface {
	net.Conn

	// ID returns the transport endpoint id of TCPConn.
	ID() *stack.TransportEndpointID
}

TCPConn implements the net.Conn interface.

type TransportHandler ¶

type TransportHandler interface {
	HandleTCP(TCPConn)
	HandleUDP(UDPConn)
}

TransportHandler is a TCP/UDP connection handler that implements HandleTCP and HandleUDP methods.

type UDPConn ¶

type UDPConn interface {
	net.Conn
	net.PacketConn

	// ID returns the transport endpoint id of UDPConn.
	ID() *stack.TransportEndpointID
}

UDPConn implements net.Conn and net.PacketConn.

Source Files ¶

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Directories ¶

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Path	Synopsis
gvisor
pkg/arp
pkg/atomicbitops Package atomicbitops provides extensions to the sync/atomic package.	Package atomicbitops provides extensions to the sync/atomic package.
pkg/bits Package bits includes all bit related types and operations.	Package bits includes all bit related types and operations.
pkg/buffer Package buffer provides the implementation of a non-contiguous buffer that is reference counted, pooled, and copy-on-write.	Package buffer provides the implementation of a non-contiguous buffer that is reference counted, pooled, and copy-on-write.
pkg/context Package context defines an internal context type.	Package context defines an internal context type.
pkg/cpuid Package cpuid provides basic functionality for creating and adjusting CPU feature sets.	Package cpuid provides basic functionality for creating and adjusting CPU feature sets.
pkg/dhcp
pkg/gohacks Package gohacks contains utilities for subverting the Go compiler.	Package gohacks contains utilities for subverting the Go compiler.
pkg/goid Package goid provides the Get function.	Package goid provides the Get function.
pkg/icmp
pkg/linewriter Package linewriter provides an io.Writer which calls an emitter on each line.	Package linewriter provides an io.Writer which calls an emitter on each line.
pkg/rand Package rand implements a cryptographically secure pseudorandom number generator.	Package rand implements a cryptographically secure pseudorandom number generator.
pkg/refs Package refs defines an interface for reference counted objects.	Package refs defines an interface for reference counted objects.
pkg/sleep Package sleep allows goroutines to efficiently sleep on multiple sources of notifications (wakers).	Package sleep allows goroutines to efficiently sleep on multiple sources of notifications (wakers).
pkg/state Package state provides functionality related to saving and loading object graphs.	Package state provides functionality related to saving and loading object graphs.
pkg/state/wire Package wire contains a few basic types that can be composed to serialize graph information for the state package.	Package wire contains a few basic types that can be composed to serialize graph information for the state package.
pkg/sync Package sync provides synchronization primitives.	Package sync provides synchronization primitives.
pkg/sync/locking Package locking implements lock primitives with the correctness validator.	Package locking implements lock primitives with the correctness validator.
pkg/tcpip Package tcpip provides the interfaces and related types that users of the tcpip stack will use in order to create endpoints used to send and receive data over the network stack.	Package tcpip provides the interfaces and related types that users of the tcpip stack will use in order to create endpoints used to send and receive data over the network stack.
pkg/tcpip/adapters/gonet Package gonet provides a Go net package compatible wrapper for a tcpip stack.	Package gonet provides a Go net package compatible wrapper for a tcpip stack.
pkg/tcpip/checksum Package checksum provides the implementation of the encoding and decoding of network protocol headers.	Package checksum provides the implementation of the encoding and decoding of network protocol headers.
pkg/tcpip/hash/jenkins Package jenkins implements Jenkins's one_at_a_time, non-cryptographic hash functions created by by Bob Jenkins.	Package jenkins implements Jenkins's one_at_a_time, non-cryptographic hash functions created by by Bob Jenkins.
pkg/tcpip/header Package header provides the implementation of the encoding and decoding of network protocol headers.	Package header provides the implementation of the encoding and decoding of network protocol headers.
pkg/tcpip/header/parse Package parse provides utilities to parse packets.	Package parse provides utilities to parse packets.
pkg/tcpip/internal/tcp Package tcp contains internal type definitions that are not expected to be used by anyone else outside pkg/tcpip.	Package tcp contains internal type definitions that are not expected to be used by anyone else outside pkg/tcpip.
pkg/tcpip/link/channel Package channel provides the implementation of channel-based data-link layer endpoints.	Package channel provides the implementation of channel-based data-link layer endpoints.
pkg/tcpip/network/arp Package arp implements the ARP network protocol.	Package arp implements the ARP network protocol.
pkg/tcpip/network/hash Package hash contains utility functions for hashing.	Package hash contains utility functions for hashing.
pkg/tcpip/network/internal/fragmentation Package fragmentation contains the implementation of IP fragmentation.	Package fragmentation contains the implementation of IP fragmentation.
pkg/tcpip/network/internal/ip Package ip holds IPv4/IPv6 common utilities.	Package ip holds IPv4/IPv6 common utilities.
pkg/tcpip/network/internal/multicast Package multicast contains utilities for supporting multicast routing.	Package multicast contains utilities for supporting multicast routing.
pkg/tcpip/network/ipv4 Package ipv4 contains the implementation of the ipv4 network protocol.	Package ipv4 contains the implementation of the ipv4 network protocol.
pkg/tcpip/network/ipv6 Package ipv6 contains the implementation of the ipv6 network protocol.	Package ipv6 contains the implementation of the ipv6 network protocol.
pkg/tcpip/ports Package ports provides PortManager that manages allocating, reserving and releasing ports.	Package ports provides PortManager that manages allocating, reserving and releasing ports.
pkg/tcpip/seqnum Package seqnum defines the types and methods for TCP sequence numbers such that they fit in 32-bit words and work properly when overflows occur.	Package seqnum defines the types and methods for TCP sequence numbers such that they fit in 32-bit words and work properly when overflows occur.
pkg/tcpip/stack Package stack provides the glue between networking protocols and the consumers of the networking stack.	Package stack provides the glue between networking protocols and the consumers of the networking stack.
pkg/tcpip/transport Package transport supports transport protocols.	Package transport supports transport protocols.
pkg/tcpip/transport/icmp Package icmp contains the implementation of the ICMP and IPv6-ICMP transport protocols for use in ping.	Package icmp contains the implementation of the ICMP and IPv6-ICMP transport protocols for use in ping.
pkg/tcpip/transport/internal/network Package network provides facilities to support tcpip.Endpoints that operate at the network layer or above.	Package network provides facilities to support tcpip.Endpoints that operate at the network layer or above.
pkg/tcpip/transport/internal/noop Package noop contains an endpoint that implements all tcpip.Endpoint functions as noops.	Package noop contains an endpoint that implements all tcpip.Endpoint functions as noops.
pkg/tcpip/transport/packet Package packet provides the implementation of packet sockets (see packet(7)).	Package packet provides the implementation of packet sockets (see packet(7)).
pkg/tcpip/transport/raw Package raw provides the implementation of raw sockets (see raw(7)).	Package raw provides the implementation of raw sockets (see raw(7)).
pkg/tcpip/transport/tcp Package tcp contains the implementation of the TCP transport protocol.	Package tcp contains the implementation of the TCP transport protocol.
pkg/tcpip/transport/tcpconntrack Package tcpconntrack implements a TCP connection tracking object.	Package tcpconntrack implements a TCP connection tracking object.
pkg/tcpip/transport/udp Package udp contains the implementation of the UDP transport protocol.	Package udp contains the implementation of the UDP transport protocol.
pkg/waiter Package waiter provides the implementation of a wait queue, where waiters can be enqueued to be notified when an event of interest happens.	Package waiter provides the implementation of a wait queue, where waiters can be enqueued to be notified when an event of interest happens.
rwendpoint