sysnet

Jul 21, 2026

Changes in this version

type System

+ DefaultTunWarnings func(defaultTun DefaultTun) []Warning

+ TunWarnings func(tun tun.Tun) []Warning

+ type Warning string

+ const WarningDefaultTunDNSRouteNotExclusive

Jun 20, 2026

Changes in this version

type RulesInfo

+ MatcherRules []RuleTypeInfo

type TunOpts

+ func (b *TunOpts) Copy() DefaultTunOpts

Jun 17, 2026

Changes in this version

+ var ErrNotSupported = errors.New("feature is not supported")

+ var ErrUnknownTun = errors.New("unknown tun")

+ func MatchConn(c net.Conn, matcher Matcher) (bool, error)

+ type DefaultTun interface

+ SetDns func(resolver dns.Interface)

+ type DefaultTunOpts struct

+ DnsIP string

+ Exclude []Rule

+ Include []Rule

+ MTU int

+ Strict bool

+ TunAddrs []string

+ TunRoutes []string

+ func (b *DefaultTunOpts) Copy() DefaultTunOpts

+ type Features struct

+ DefaultTun bool

+ DefaultTunNames bool

+ DynDefaultTun bool

+ DynTun bool

+ StrictMode bool

+ Tun bool

+ TunNames bool

+ type Matcher interface

+ Match func(flow sockowner.FlowTuple) (bool, error)

+ type RulesInfo struct

+ ConnMatcherRules []RuleTypeInfo

+ IPMatcherRules []RuleTypeInfo

+ TunRules []RuleTypeInfo

+ func (r *RulesInfo) Copy() RulesInfo

type System

+ AddTunAddr func(tun tun.Tun, addr string) error

+ AddTunRoute func(tun tun.Tun, route string) error

+ AllocIP func() subnet.IPAllocator

+ AllocSubnet func() subnet.SubnetAllocator

+ BuildDefaultTun func(opts DefaultTunOpts) (DefaultTun, error)

+ BuildMatcher func(rule Rule) (Matcher, error)

+ BuildTun func(opts TunOpts) (tun.Tun, error)

+ Features func() Features

+ GetTunAddrs func(tun tun.Tun) ([]string, error)

+ GetTunRotue func(tun tun.Tun) ([]string, error)

+ ListRules func() RulesInfo

+ OutDNS func() dns.Interface

+ RuleCompl func(rule Rule) []string

+ RuleVerify func(rule Rule) bool

+ SetTunAddrs func(tun tun.Tun, addrs []string) error

+ SetTunMTU func(tun tun.Tun, MTU int) error

+ SetTunName func(tun tun.Tun) ([]string, error)

+ SetTunRoutes func(tun tun.Tun, routes []string) error

+ TunNameVerify func(name string) (valid bool, free bool)

+ VerifyDefaultTunOpts func(opts DefaultTunOpts) error

+ VerifyTunOpts func(opts TunOpts) error

+ type TunOpts struct

+ MTU int

+ TunAddrs []string

+ TunRoutes []string

Jun 3, 2026

Changes in this version

type BuildOpts

+ func (b *BuildOpts) Copy() BuildOpts

May 31, 2026

Changes in this version

+ const CGROUP_UNKNOWN

+ const GID_UNKNOWN

+ const PID_UNKNOWN

+ const ROUTE_MARK_UNKNOWN

+ const UID_UNKNOWN

+ type BuildOpts struct

+ DnsNeeded bool

+ Exclude []Rule

+ MTU int

+ TunAddrs []string

+ TunNeeded bool

+ TunRoutes []string

+ type DebugIPMatcher struct

+ FixedInfo NetInfo

+ TrueRules []Rule

+ func (d *DebugIPMatcher) Close() error

+ func (d *DebugIPMatcher) Map(rule Rule) uint64

+ func (d *DebugIPMatcher) Match(pkt []byte, rule uint64) bool

+ func (d *DebugIPMatcher) PktInfo(pkt []byte) *NetInfo

+ func (d *DebugIPMatcher) UnMap(rule uint64)

+ func (d *DebugIPMatcher) UnMapAll()

+ type DebugSysBuilder struct

+ CgroupSupported bool

+ DNSIn func(dns.Interface)

+ DNSOut dns.Interface

+ FixedInfo NetInfo

+ IPAlloc subnet.IPAllocator

+ LocalNet gonnect.Network

+ OutNet gonnect.Network

+ RuleCompletions map[string][]string

+ SubnetAlloc subnet.SubnetAllocator

+ SupportedRules []RuleTypeInfo

+ TrueRules []Rule

+ Tun tun.Tun

+ TunFormat string

+ ValidTunNames []string

+ func NewDebugSysBuilder() *DebugSysBuilder

+ func (d *DebugSysBuilder) AllocIP() subnet.IPAllocator

+ func (d *DebugSysBuilder) AllocSubnet() subnet.SubnetAllocator

+ func (d *DebugSysBuilder) Build(opts BuildOpts) (*System, error)

+ func (d *DebugSysBuilder) Close() error

+ func (d *DebugSysBuilder) ConnInfo(c net.Conn) *NetInfo

+ func (d *DebugSysBuilder) ConnRule(c net.Conn, rule Rule) bool

+ func (d *DebugSysBuilder) ListRules() []RuleTypeInfo

+ func (d *DebugSysBuilder) RuleCompl(rule Rule) []string

+ func (d *DebugSysBuilder) RuleVerify(rule Rule) bool

+ func (d *DebugSysBuilder) TunNameFormat() string

+ func (d *DebugSysBuilder) TunNameVerify(name string) bool

+ type IPMatcher interface

+ Close func() error

+ Lock func()

+ Map func(rule Rule) uint64

+ Match func(pkt []byte, rule uint64) bool

+ PktInfo func(pkt []byte) *NetInfo

+ UnMap func(rule uint64)

+ UnMapAll func()

+ Unlock func()

+ type NetInfo struct

+ Cgroup uint64

+ GID uint64

+ PID int

+ RouteMark int

+ UID uint64

+ User string

+ type Rule struct

+ Rule string

+ Type string

+ type RuleTypeInfo struct

+ Description string

+ Type string

+ type SysBuilder interface

+ AllocIP func() subnet.IPAllocator

+ AllocSubnet func() subnet.SubnetAllocator

+ Build func(opts BuildOpts) (*System, error)

+ ConnInfo func(c net.Conn) *NetInfo

+ ConnRule func(c net.Conn, rule Rule) bool

+ ListRules func() []RuleTypeInfo

+ RuleCompl func(rule Rule) []string

+ RuleVerify func(rule Rule) bool

+ TunNameFormat func() string

+ TunNameVerify func(name string) bool

+ type System struct

+ DNSIn func(dns.Interface)

+ DNSOut dns.Interface

+ LocalNet gonnect.Network

+ Matcher IPMatcher

+ OutNet gonnect.Network

+ Tun tun.Tun