Documentation ¶
Index ¶
- Constants
- Variables
- func Pids() ([]int32, error)
- func PidsWithContext(ctx context.Context) ([]int32, error)
- func Reverse(s []byte) []byte
- func ReverseWithContext(ctx context.Context, s []byte) []byte
- type Addr
- type ConnectionStat
- func Connections(kind string) ([]ConnectionStat, error)
- func ConnectionsMax(kind string, max int) ([]ConnectionStat, error)
- 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)
- func ConnectionsPidMax(kind string, pid int32, max int) ([]ConnectionStat, error)
- 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)
- func ConnectionsWithoutUidsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error)
- type ConntrackStat
- type ConntrackStatList
- type FilterStat
- type IOCountersStat
- func IOCounters(pernic bool) ([]IOCountersStat, error)
- 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)
- type InterfaceAddr
- type InterfaceStat
- type ProtoCountersStat
Constants ¶
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 )
Variables ¶
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",
}
http://students.mimuw.edu.pl/lxr/source/include/net/tcp_states.h
Functions ¶
Types ¶
type ConnectionStat ¶
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 ¶
func Connections(kind string) ([]ConnectionStat, error)
Return a list of network connections opened.
func ConnectionsMax ¶
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 ConnectionsPid ¶
func ConnectionsPid(kind string, pid int32) ([]ConnectionStat, error)
Return a list of network connections opened by a process.
func ConnectionsPidMax ¶
func ConnectionsPidMax(kind string, pid int32, max int) ([]ConnectionStat, error)
Return up to `max` network connections opened by a process.
func ConnectionsPidMaxWithoutUids ¶
func ConnectionsPidMaxWithoutUids(kind string, pid int32, max int) ([]ConnectionStat, error)
func ConnectionsPidWithoutUids ¶
func ConnectionsPidWithoutUids(kind string, pid int32) ([]ConnectionStat, error)
func ConnectionsWithContext ¶
func ConnectionsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error)
func ConnectionsWithoutUids ¶
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 ¶
func ConnectionsWithoutUidsWithContext(ctx context.Context, kind string) ([]ConnectionStat, error)
func (ConnectionStat) String ¶
func (n ConnectionStat) String() string
type ConntrackStat ¶
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 }
ConntrackStat has conntrack summary info
func ConntrackStats ¶
func ConntrackStats(percpu bool) ([]ConntrackStat, error)
ConntrackStats returns more detailed info about the conntrack table
func ConntrackStatsWithContext ¶
func ConntrackStatsWithContext(ctx context.Context, percpu bool) ([]ConntrackStat, error)
ConntrackStatsWithContext returns more detailed info about the conntrack table
func NewConntrackStat ¶
func (ConntrackStat) String ¶
func (n ConntrackStat) String() string
type ConntrackStatList ¶
type ConntrackStatList struct {
// contains filtered or unexported fields
}
func NewConntrackStatList ¶
func NewConntrackStatList() *ConntrackStatList
func (*ConntrackStatList) Append ¶
func (l *ConntrackStatList) Append(c *ConntrackStat)
func (*ConntrackStatList) Items ¶
func (l *ConntrackStatList) Items() []ConntrackStat
func (*ConntrackStatList) Summary ¶
func (l *ConntrackStatList) Summary() []ConntrackStat
Summary returns a single-element list with totals from all list items.
type FilterStat ¶
type FilterStat struct { ConnTrackCount int64 `json:"conntrackCount"` ConnTrackMax int64 `json:"conntrackMax"` }
func FilterCounters ¶
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 ¶
func FilterCountersWithContext(ctx context.Context) ([]FilterStat, error)
type IOCountersStat ¶
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 ¶
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 ¶
func IOCountersByFile(pernic bool, filename string) ([]IOCountersStat, error)
func IOCountersWithContext ¶
func IOCountersWithContext(ctx context.Context, pernic bool) ([]IOCountersStat, error)
func (IOCountersStat) String ¶
func (n IOCountersStat) String() string
type InterfaceAddr ¶
type InterfaceAddr struct {
Addr string `json:"addr"`
}
NetInterfaceAddr is designed for represent interface addresses
func (InterfaceAddr) String ¶
func (n InterfaceAddr) String() string
type InterfaceStat ¶
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 ¶
func Interfaces() ([]InterfaceStat, error)
func InterfacesWithContext ¶
func InterfacesWithContext(ctx context.Context) ([]InterfaceStat, error)
func (InterfaceStat) String ¶
func (n InterfaceStat) String() string
type ProtoCountersStat ¶
type ProtoCountersStat struct { Protocol string `json:"protocol"` Stats map[string]int64 `json:"stats"` }
System wide stats about different network protocols
func ProtoCounters ¶
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 ¶
func ProtoCountersWithContext(ctx context.Context, protocols []string) ([]ProtoCountersStat, error)
func (ProtoCountersStat) String ¶
func (n ProtoCountersStat) String() string