const (
CT_ENTRIES = iota
CT_SEARCHED
CT_FOUND
CT_NEW
CT_INVALID
CT_IGNORE
CT_DELETE
CT_DELETE_LIST
CT_INSERT
CT_INSERT_FAILED
CT_DROP
CT_EARLY_DROP
CT_ICMP_ERROR
CT_EXPECT_NEW
CT_EXPECT_CREATE
CT_EXPECT_DELETE
CT_SEARCH_RESTART
)
http://students.mimuw.edu.pl/lxr/source/include/net/tcp_states.h
var TCPStatuses = map[string]string{ "01": "ESTABLISHED", "02": "SYN_SENT", "03": "SYN_RECV", "04": "FIN_WAIT1", "05": "FIN_WAIT2", "06": "TIME_WAIT", "07": "CLOSE", "08": "CLOSE_WAIT", "09": "LAST_ACK", "0A": "LISTEN", "0B": "CLOSING", }
func Pids() ([]int32, error)
Pids retunres all pids. Note: this is a copy of process_linux.Pids() FIXME: Import process occures import cycle. move to common made other platform breaking. Need consider.
func PidsWithContext(ctx context.Context) ([]int32, error)
func Reverse(s []byte) []byte
Reverse reverses array of bytes.
func ReverseWithContext(ctx context.Context, s []byte) []byte
Addr is implemented compatibility to psutil
type Addr struct {
IP string `json:"ip"`
Port uint32 `json:"port"`
}
func (a Addr) String() string
type ConnectionStat struct {
Fd uint32 `json:"fd"`
Family uint32 `json:"family"`
Type uint32 `json:"type"`
Laddr Addr `json:"localaddr"`
Raddr Addr `json:"remoteaddr"`
Status string `json:"status"`
Uids []int32 `json:"uids"`
Pid int32 `json:"pid"`
}
func Connections(kind string) ([]ConnectionStat, error)
Return a list of network connections opened.
func ConnectionsMax(kind string, max int) ([]ConnectionStat, error)
Return a list of network connections opened returning at most `max` connections for each running process.
func ConnectionsMaxWithContext(ctx context.Context, kind string, max int) ([]ConnectionStat, error)
func ConnectionsMaxWithoutUidsWithContext(ctx context.Context, kind string, max int) ([]ConnectionStat, error)
func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error)
Return a list of network connections opened by a process.
func ConnectionsPidMax(kind string, pid int32, max int) ([]ConnectionStat, error)
Return up to `max` network connections opened by a process.
func ConnectionsPidMaxWithContext(ctx context.Context, kind string, pid int32, max int) ([]ConnectionStat, error)
func ConnectionsPidMaxWithoutUids(kind string, pid int32, max int) ([]ConnectionStat, error)
func ConnectionsPidMaxWithoutUidsWithContext(ctx context.Context, kind string, pid int32, max int) ([]ConnectionStat, error)
func ConnectionsPidWithContext(ctx context.Context, kind string, pid int32) ([]ConnectionStat, error)
func ConnectionsPidWithoutUids(kind string, pid int32) ([]ConnectionStat, error)
func ConnectionsPidWithoutUidsWithContext(ctx context.Context, kind string, pid int32) ([]ConnectionStat, error)
func ConnectionsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error)
func ConnectionsWithoutUids(kind string) ([]ConnectionStat, error)
Return a list of network connections opened, omitting `Uids`. WithoutUids functions are reliant on implementation details. They may be altered to be an alias for Connections or be removed from the API in the future.
func ConnectionsWithoutUidsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error)
func (n ConnectionStat) String() string
ConntrackStat has conntrack summary info
type ConntrackStat struct {
Entries uint32 `json:"entries"` // Number of entries in the conntrack table
Searched uint32 `json:"searched"` // Number of conntrack table lookups performed
Found uint32 `json:"found"` // Number of searched entries which were successful
New uint32 `json:"new"` // Number of entries added which were not expected before
Invalid uint32 `json:"invalid"` // Number of packets seen which can not be tracked
Ignore uint32 `json:"ignore"` // Packets seen which are already connected to an entry
Delete uint32 `json:"delete"` // Number of entries which were removed
DeleteList uint32 `json:"delete_list"` // Number of entries which were put to dying list
Insert uint32 `json:"insert"` // Number of entries inserted into the list
InsertFailed uint32 `json:"insert_failed"` // # insertion attempted but failed (same entry exists)
Drop uint32 `json:"drop"` // Number of packets dropped due to conntrack failure.
EarlyDrop uint32 `json:"early_drop"` // Dropped entries to make room for new ones, if maxsize reached
IcmpError uint32 `json:"icmp_error"` // Subset of invalid. Packets that can't be tracked d/t error
ExpectNew uint32 `json:"expect_new"` // Entries added after an expectation was already present
ExpectCreate uint32 `json:"expect_create"` // Expectations added
ExpectDelete uint32 `json:"expect_delete"` // Expectations deleted
SearchRestart uint32 `json:"search_restart"` // Conntrack table lookups restarted due to hashtable resizes
}
func ConntrackStats(percpu bool) ([]ConntrackStat, error)
ConntrackStats returns more detailed info about the conntrack table
func ConntrackStatsWithContext(ctx context.Context, percpu bool) ([]ConntrackStat, error)
ConntrackStatsWithContext returns more detailed info about the conntrack table
func NewConntrackStat(e uint32, s uint32, f uint32, n uint32, inv uint32, ign uint32, del uint32, dlst uint32, ins uint32, insfail uint32, drop uint32, edrop uint32, ie uint32, en uint32, ec uint32, ed uint32, sr uint32) *ConntrackStat
func (n ConntrackStat) String() string
type ConntrackStatList struct {
// contains filtered or unexported fields
}
func NewConntrackStatList() *ConntrackStatList
func (l *ConntrackStatList) Append(c *ConntrackStat)
func (l *ConntrackStatList) Items() []ConntrackStat
func (l *ConntrackStatList) Summary() []ConntrackStat
Summary returns a single-element list with totals from all list items.
type FilterStat struct {
ConnTrackCount int64 `json:"conntrackCount"`
ConnTrackMax int64 `json:"conntrackMax"`
}
func FilterCounters() ([]FilterStat, error)
NetFilterCounters returns iptables conntrack statistics the currently in use conntrack count and the max. If the file does not exist or is invalid it will return nil.
func FilterCountersWithContext(ctx context.Context) ([]FilterStat, error)
type IOCountersStat struct {
Name string `json:"name"` // interface name
BytesSent uint64 `json:"bytesSent"` // number of bytes sent
BytesRecv uint64 `json:"bytesRecv"` // number of bytes received
PacketsSent uint64 `json:"packetsSent"` // number of packets sent
PacketsRecv uint64 `json:"packetsRecv"` // number of packets received
Errin uint64 `json:"errin"` // total number of errors while receiving
Errout uint64 `json:"errout"` // total number of errors while sending
Dropin uint64 `json:"dropin"` // total number of incoming packets which were dropped
Dropout uint64 `json:"dropout"` // total number of outgoing packets which were dropped (always 0 on OSX and BSD)
Fifoin uint64 `json:"fifoin"` // total number of FIFO buffers errors while receiving
Fifoout uint64 `json:"fifoout"` // total number of FIFO buffers errors while sending
}
func IOCounters(pernic bool) ([]IOCountersStat, error)
NetIOCounters returnes network I/O statistics for every network interface installed on the system. If pernic argument is false, return only sum of all information (which name is 'all'). If true, every network interface installed on the system is returned separately.
func IOCountersByFile(pernic bool, filename string) ([]IOCountersStat, error)
func IOCountersByFileWithContext(ctx context.Context, pernic bool, filename string) ([]IOCountersStat, error)
func IOCountersWithContext(ctx context.Context, pernic bool) ([]IOCountersStat, error)
func (n IOCountersStat) String() string
NetInterfaceAddr is designed for represent interface addresses
type InterfaceAddr struct {
Addr string `json:"addr"`
}
func (n InterfaceAddr) String() string
type InterfaceStat struct {
Index int `json:"index"`
MTU int `json:"mtu"` // maximum transmission unit
Name string `json:"name"` // e.g., "en0", "lo0", "eth0.100"
HardwareAddr string `json:"hardwareaddr"` // IEEE MAC-48, EUI-48 and EUI-64 form
Flags []string `json:"flags"` // e.g., FlagUp, FlagLoopback, FlagMulticast
Addrs []InterfaceAddr `json:"addrs"`
}
func Interfaces() ([]InterfaceStat, error)
func InterfacesWithContext(ctx context.Context) ([]InterfaceStat, error)
func (n InterfaceStat) String() string
System wide stats about different network protocols
type ProtoCountersStat struct {
Protocol string `json:"protocol"`
Stats map[string]int64 `json:"stats"`
}
func ProtoCounters(protocols []string) ([]ProtoCountersStat, error)
NetProtoCounters returns network statistics for the entire system If protocols is empty then all protocols are returned, otherwise just the protocols in the list are returned. Available protocols:
ip,icmp,icmpmsg,tcp,udp,udplite
func ProtoCountersWithContext(ctx context.Context, protocols []string) ([]ProtoCountersStat, error)
func (n ProtoCountersStat) String() string