p2putil

package
v1.11.1 Latest Latest
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 Go to latest Published: Jun 4, 2019 License: MIT Imports: 26 Imported by: 20

Documentation

Index

Constants

View Source 
const (
	DN   = `^([a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62}){1}(\.[a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62})*[\._]?$`
	IPv4 = `^((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])`
	IPv6 = `` /* 659-byte string literal not displayed */
)
View Source 
const (
	LogPeerID     = "peer_id"
	LogFullID     = "full_id" // LogFullID is Full qualified peer id
	LogPeerName   = "peer_nm"
	LogProtoID    = "protocol_id"
	LogMsgID      = "msg_id"
	LogOrgReqID   = "req_id" // LogOrgReqID is msgid of request from remote peer
	LogBlkHash    = "blk_hash"
	LogBlkCount   = "blk_cnt"
	LogTxHash     = "tx_hash"
	LogTxCount    = "tx_cnt"
	LogRespStatus = "resp_st"
)

frequently used constants for indicating p2p log category

Variables

View Source 
var (
	DNPattern = regexp.MustCompile(DN)

	InvalidAddresss = fmt.Errorf("invalid address")
)
View Source 
var InvalidArgument = fmt.Errorf("invalid argument")
View Source 
var (
	UseFullID bool
)

Functions

func BytesArrToString added in v0.9.0 

func BytesArrToString(bbarray [][]byte) string

bytesArrToString converts array of byte array to json array of b58 encoded string.

func CalculateFieldDescSize added in v0.9.0 

func CalculateFieldDescSize(varSize int) int

func CheckAdddress added in v0.9.0 

func CheckAdddress(urlStr string) (string, error)

func ComparePeerID added in v0.9.0 

func ComparePeerID(pid1, pid2 types.PeerID) int

ComparePeerID do byte-wise compare of two peerIDs,

func DebugLogReceiveMsg added in v0.9.0 

func DebugLogReceiveMsg(logger *log.Logger, protocol p2pcommon.SubProtocol, msgID string, peer p2pcommon.RemotePeer, additional interface{})

func DebugLogReceiveResponseMsg added in v0.9.0 

func DebugLogReceiveResponseMsg(logger *log.Logger, protocol p2pcommon.SubProtocol, msgID string, reqID string, peer p2pcommon.RemotePeer, additional interface{})

func ExternalIP added in v0.9.0 

func ExternalIP() (net.IP, error)

func ExtractBlockFromRequest added in v0.9.0 

func ExtractBlockFromRequest(rawResponse interface{}, err error) (*types.Block, error)

func FromMultiAddr added in v0.9.0 

func FromMultiAddr(targetAddr multiaddr.Multiaddr) (p2pcommon.PeerMeta, error)

func GenerateKeyFile added in v0.9.0 

func GenerateKeyFile(dir, prefix string) (crypto.PrivKey, crypto.PubKey, error)

func GetSingleIPAddress added in v0.9.0 

func GetSingleIPAddress(addrStr string) (net.IP, error)

IGetSingleIPAddress find and get ip address of given address string. It return first ip if DNS or /etc/hosts has multiple IPs

func InvokeWithTimer 

func InvokeWithTimer(m Callable, timer *time.Timer) (interface{}, error)

InvokeWithTimer call DoCall method of m and return if m is finished or return error if timer fires.

func IsExternalAddr added in v0.9.0 

func IsExternalAddr(addrStr string) bool

func LoadKeyFile added in v0.9.0 

func LoadKeyFile(keyFile string) (crypto.PrivKey, crypto.PubKey, error)

func MarshalMessageBody added in v0.9.0 

func MarshalMessageBody(message p2pcommon.MessageBody) ([]byte, error)

func ParseMultiAddrString added in v0.9.0 

func ParseMultiAddrString(str string) (p2pcommon.PeerMeta, error)

func ParseMultiaddrWithResolve added in v0.9.0 

func ParseMultiaddrWithResolve(str string) (multiaddr.Multiaddr, error)

ParseMultiaddrWithResolve parse string to multiaddr, additionally accept domain name with protocol /dns NOTE: this function is temporarilly use until go-multiaddr start to support dns.

func PeerMetaToMultiAddr added in v0.9.0 

func PeerMetaToMultiAddr(m p2pcommon.PeerMeta) (multiaddr.Multiaddr, error)

PeerMetaToMultiAddr make libp2p compatible Multiaddr object from peermeta

func PrintHashList added in v0.9.0 

func PrintHashList(blocks []*types.Block) string

func ProtocolIDsToString added in v0.9.0 

func ProtocolIDsToString(sli []core.ProtocolID) string

func RandomUUID added in v0.9.0 

func RandomUUID() string

RandomUUID generate random UUID and return in form of string

func ReadToLen added in v0.9.0 

func ReadToLen(rd io.Reader, bf []byte) (int, error)

ReadToLen read bytes from io.Reader until bf is filled.

func ResolveHostDomain added in v0.9.0 

func ResolveHostDomain(domainName string) ([]net.IP, error)

func ShortForm added in v0.9.0 

func ShortForm(pid types.PeerID) string

ShortForm returns shorthanded types.PeerID.

func ShortMetaForm added in v0.9.0 

func ShortMetaForm(m p2pcommon.PeerMeta) string

func ToMultiAddr added in v0.9.0 

func ToMultiAddr(ipAddr net.IP, port uint32) (multiaddr.Multiaddr, error)

ToMultiAddr make libp2p compatible Multiaddr object

func UnmarshalAndReturn added in v0.9.0 

func UnmarshalAndReturn(data []byte, msgData p2pcommon.MessageBody) (p2pcommon.MessageBody, error)

func UnmarshalMessageBody added in v0.9.0 

func UnmarshalMessageBody(data []byte, msgData p2pcommon.MessageBody) error

Types

type AddressType added in v0.9.0 

type AddressType int
const (
	AddressTypeError AddressType = iota
	AddressTypeIP
	AddressTypeFQDN
)

AddressType

func CheckAdddressType added in v0.9.0 

func CheckAdddressType(urlStr string) AddressType

type Callable 

type Callable interface {
	// DoCall run function. it should put result anything if call is over. It also stop  function if Cancel was called as soon as possible
	DoCall(done chan<- interface{})
	// Cancel should return instanly
	Cancel()
}

Callable

type ChannelPipe 

type ChannelPipe interface {
	// Put item to pipe. it should be used after Open() method is called.
	// It always returns true and gurranty that item is queued.
	Put(item interface{}) bool
	Out() <-chan interface{}
	// Done should be called after get item from out channel
	Done()

	Open()
	Close()
}

ChannelPipe serve non blocking limited size channel. It preserve input ordering, and not block caller unless it is Closed() Tt must be called Open before using it, and Close for dispose resource.

func NewDefaultChannelPipe 

func NewDefaultChannelPipe(bufsize int, listener PipeEventListener) ChannelPipe

NewDefaultChannelPipe create pipe to output channel out

type LogB58EncMarshaler added in v0.9.0 

type LogB58EncMarshaler struct {
	// contains filtered or unexported fields
}

LogB58EncMarshaler is zerolog array marshaler which print bytes array to baase58 encoded string.

func NewLogB58EncMarshaler added in v0.9.0 

func NewLogB58EncMarshaler(arr [][]byte, limit int) *LogB58EncMarshaler

func (*LogB58EncMarshaler) MarshalZerologArray added in v0.9.0 

func (m *LogB58EncMarshaler) MarshalZerologArray(a *zerolog.Array)

type LogPeerMetasMarshaler added in v0.9.0 

type LogPeerMetasMarshaler struct {
	// contains filtered or unexported fields
}

func NewLogPeerMetasMarshaler added in v0.9.0 

func NewLogPeerMetasMarshaler(metas []p2pcommon.PeerMeta, limit int) *LogPeerMetasMarshaler

func (*LogPeerMetasMarshaler) MarshalZerologArray added in v0.9.0 

func (m *LogPeerMetasMarshaler) MarshalZerologArray(a *zerolog.Array)

type LogStringersMarshaler added in v0.9.0 

type LogStringersMarshaler struct {
	// contains filtered or unexported fields
}

func NewLogStringersMarshaler added in v0.9.0 

func NewLogStringersMarshaler(arr []fmt.Stringer, limit int) *LogStringersMarshaler

func (*LogStringersMarshaler) MarshalZerologArray added in v0.9.0 

func (m *LogStringersMarshaler) MarshalZerologArray(a *zerolog.Array)

type MultiListener 

type MultiListener struct {
	// contains filtered or unexported fields
}

MultiListener can contain multiple unit listeners and toss events

func NewMultiListener 

func NewMultiListener(ls ...PipeEventListener) *MultiListener

func (*MultiListener) AppendListener 

func (ml *MultiListener) AppendListener(l PipeEventListener)

func (*MultiListener) OnDrop 

func (ml *MultiListener) OnDrop(element interface{})

func (*MultiListener) OnIn 

func (ml *MultiListener) OnIn(element interface{})

func (*MultiListener) OnOut 

func (ml *MultiListener) OnOut(element interface{})

type PipeEventListener 

type PipeEventListener interface {
	// OnIn is called when item is queued
	OnIn(element interface{})
	// OnDrop is called when queued item is dropped and not out to channel receiver
	OnDrop(element interface{})
	// OnOut is called when queued item went to out channel (and will be sent to receiver)
	OnOut(element interface{})
}

PipeEventListener listen event of ChannelPipe

type PressableQueue 

type PressableQueue struct {
	// contains filtered or unexported fields
}

PressableQueue non-threadsafe fixed size queue, implemented like circular queue

func NewPressableQueue 

func NewPressableQueue(capacity int) *PressableQueue

NewPressableQueue create a new queue

func (*PressableQueue) Empty 

func (q *PressableQueue) Empty() bool

Empty returns true if queue has no element, or false if not

func (*PressableQueue) Full 

func (q *PressableQueue) Full() bool

Full returns true if queue has maximum number of elements, or false if not

func (*PressableQueue) Offer 

func (q *PressableQueue) Offer(e interface{}) bool

Offer is adding element to queue, it returns true if add success, or false if queue if add fail.

func (*PressableQueue) Peek 

func (q *PressableQueue) Peek() interface{}

Peek return first element but not delete in queue. It returns nil if queue is empty

func (*PressableQueue) Poll 

func (q *PressableQueue) Poll() interface{}

Poll return first element and remove it in queue. It returns nil if queue is empty

func (*PressableQueue) Press 

func (q *PressableQueue) Press(e interface{}) interface{}

Press is adding element to queue and return nil fi queue is not full, or drop first element and return dropped element if queue is full.

func (*PressableQueue) Size 

func (q *PressableQueue) Size() int

Size return the number of element queue has

type StatListener 

type StatListener struct {
	// contains filtered or unexported fields
}

StatListener make summation

func NewStatLister 

func NewStatLister() *StatListener

func (*StatListener) OnDrop 

func (l *StatListener) OnDrop(element interface{})

func (*StatListener) OnIn 

func (l *StatListener) OnIn(element interface{})

func (*StatListener) OnOut 

func (l *StatListener) OnOut(element interface{})

Source Files

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