p2p

package
v0.0.0-...-db26c95 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 26, 2018 License: MIT Imports: 44 Imported by: 3

Documentation

Index

Constants

View Source 
const (
	NodeDB           = "nodeinfo.db"
	NodeBucket       = "node"
	DispatcherScheme = "gizo" //FIXME: use better one
	MaxWorkers       = 128
	DefaultPort      = 9999
	CentrumURL       = "https://centrum-dev.herokuapp.com"
	GizoVersion      = 1
)
View Source 
const (
	// when a node is not connected to the network
	DOWN = "DOWN"
	// worker - when a worker connects to a dispatchers standard area
	// dispatcher - when an adjacency is created and topology table, peer table and blockchain have not been synced
	INIT = "INIT"
	// worker - when a node starts receiving and crunching jobs
	LIVE = "LIVE"
	// dispatcher - when an adjacency is created and topology table, peer table and blockchain have been sync
	FULL = "FULL"
)

node states

View Source 
const (
	HELLO            = "HELLO"
	INVALIDMESSAGE   = "INVALIDMESSAGE" // invalid message
	CONNFULL         = "CONNFULL"       // max workers reached
	JOB              = "JOB"
	INVALIDSIGNATURE = "JOB"
	RESULT           = "RESULT"
	SHUT             = "SHUT"
	SHUTACK          = "SHUTACK"
	BLOCK            = "BLOCK"
	BLOCKREQ         = "BLOCKREQ"
	BLOCKRES         = "BLOCKRES"
	PEERCONNECT      = "PEERCONNECT"
	PEERDISCONNECT   = "PEERDISCONNECT"
	CANCEL           = "CANCEL"
)

Variables

View Source 
var (
	ErrJobsFull = errors.New("Jobs array full")
)
View Source 
var (
	ErrNoDispatchers = errors.New("Centrum: no dispatchers available")
)
View Source 
var (
	ErrNoToken = errors.New("Centrum: No token in struct")
)

Functions

func BlockMessage 

func BlockMessage(payload, priv []byte) []byte

func BlockReqMessage 

func BlockReqMessage(payload, priv []byte) []byte

func BlockResMessage 

func BlockResMessage(payload, priv []byte) []byte

func CancelMessage 

func CancelMessage(priv []byte) []byte

func ConnFullMessage 

func ConnFullMessage() []byte

func HelloMessage 

func HelloMessage(payload []byte) []byte

func InvalidMessage 

func InvalidMessage() []byte

func InvalidSignature 

func InvalidSignature() []byte

func JobMessage 

func JobMessage(payload, priv []byte) []byte

func ParseAddr 

func ParseAddr(addr string) (map[string]interface{}, error)

ParseAddr returns dispatcher url as a map

func PeerConnectMessage 

func PeerConnectMessage(payload, priv []byte) []byte

func PeerDisconnectMessage 

func PeerDisconnectMessage(payload, priv []byte) []byte

func ResultMessage 

func ResultMessage(payload, priv []byte) []byte

func ShutAckMessage 

func ShutAckMessage(priv []byte) []byte

func ShutMessage 

func ShutMessage(priv []byte) []byte

Types

type Centrum 

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

func NewCentrum 

func NewCentrum() *Centrum

func (Centrum) ConnectWorker 

func (c Centrum) ConnectWorker() (map[string]interface{}, error)

ConnectWorker increments dispatchers worker in centrum

func (Centrum) DisconnectWorker 

func (c Centrum) DisconnectWorker() (map[string]interface{}, error)

DisconnectWorker decrements dispatchers worker in centrum

func (Centrum) GetDispatchers 

func (c Centrum) GetDispatchers() map[string]interface{}

GetDispatchers returns active dispatchers

func (Centrum) GetToken 

func (c Centrum) GetToken() string

func (*Centrum) NewDisptcher 

func (c *Centrum) NewDisptcher(pub, ip string, port int) error

NewDisptcher registers dispatcher in centrum

func (*Centrum) SetToken 

func (c *Centrum) SetToken(token string)

func (Centrum) Sleep 

func (c Centrum) Sleep() (map[string]interface{}, error)

Sleep changes node status to sleep in centrum

func (Centrum) Wake 

func (c Centrum) Wake() (map[string]interface{}, error)

Wake changes node status to active in centrum

type Dispatcher 

type Dispatcher struct {
	IP   string
	Port uint   //port
	Pub  []byte //public key of the node
	// contains filtered or unexported fields
}

func NewDispatcher 

func NewDispatcher(port int) *Dispatcher

func (*Dispatcher) AddJob 

func (d *Dispatcher) AddJob(j job.Job)

AddJob keeps job in memory before being written to the bc

func (*Dispatcher) AddPeer 

func (d *Dispatcher) AddPeer(s interface{}, n *DispatcherInfo)

func (Dispatcher) Batch 

func (d Dispatcher) Batch(jrs []string, callbackJr string) (string, error)

func (Dispatcher) BlockByHash 

func (d Dispatcher) BlockByHash(hash string) (string, error)

func (Dispatcher) BlockByHeight 

func (d Dispatcher) BlockByHeight(height int) (string, error)

func (Dispatcher) BlockHashesHex 

func (d Dispatcher) BlockHashesHex() []string

BlockHashesHex returns hashes of all blocks in the bc

func (Dispatcher) BroadcastPeers 

func (d Dispatcher) BroadcastPeers(m []byte)

BroadcastPeers sends message to all peers

func (Dispatcher) BroadcastWorkers 

func (d Dispatcher) BroadcastWorkers(m []byte)

BroadcastWorkers sends message to all workers

func (Dispatcher) CancelExec 

func (d Dispatcher) CancelExec(hash []byte) error

func (Dispatcher) Chain 

func (d Dispatcher) Chain(jrs []string, callbackJr string) (string, error)

func (Dispatcher) Chord 

func (d Dispatcher) Chord(jrs []string, callbackJr string) (string, error)

func (*Dispatcher) EmptyJobs 

func (d *Dispatcher) EmptyJobs()

func (Dispatcher) ExecArgs 

func (d Dispatcher) ExecArgs(id string, hash []byte) ([]interface{}, error)

func (Dispatcher) ExecBackoff 

func (d Dispatcher) ExecBackoff(id string, hash []byte) (float64, error)

func (Dispatcher) ExecBy 

func (d Dispatcher) ExecBy(id string, hash []byte) (string, error)

func (Dispatcher) ExecDurationMinutes 

func (d Dispatcher) ExecDurationMinutes(id string, hash []byte) (float64, error)

func (Dispatcher) ExecDurationNanoseconds 

func (d Dispatcher) ExecDurationNanoseconds(id string, hash []byte) (int64, error)

func (Dispatcher) ExecDurationSeconds 

func (d Dispatcher) ExecDurationSeconds(id string, hash []byte) (float64, error)

func (Dispatcher) ExecDurationString 

func (d Dispatcher) ExecDurationString(id string, hash []byte) (string, error)

func (Dispatcher) ExecErr 

func (d Dispatcher) ExecErr(id string, hash []byte) (interface{}, error)

func (Dispatcher) ExecExecutionTime 

func (d Dispatcher) ExecExecutionTime(id string, hash []byte) (int64, error)

func (Dispatcher) ExecExecutionTimeString 

func (d Dispatcher) ExecExecutionTimeString(id string, hash []byte) (string, error)

func (Dispatcher) ExecInterval 

func (d Dispatcher) ExecInterval(id string, hash []byte) (int, error)

func (Dispatcher) ExecPriority 

func (d Dispatcher) ExecPriority(id string, hash []byte) (int, error)

func (Dispatcher) ExecResult 

func (d Dispatcher) ExecResult(id string, hash []byte) (interface{}, error)

func (Dispatcher) ExecRetries 

func (d Dispatcher) ExecRetries(id string, hash []byte) (int, error)

func (Dispatcher) ExecStatus 

func (d Dispatcher) ExecStatus(id string, hash []byte) (string, error)

func (Dispatcher) ExecTimestamp 

func (d Dispatcher) ExecTimestamp(id string, hash []byte) (int64, error)

func (Dispatcher) ExecTimestampString 

func (d Dispatcher) ExecTimestampString(id string, hash []byte) (string, error)

func (Dispatcher) ExecTtlHours 

func (d Dispatcher) ExecTtlHours(id string, hash []byte) (float64, error)

func (Dispatcher) ExecTtlMinutes 

func (d Dispatcher) ExecTtlMinutes(id string, hash []byte) (float64, error)

func (Dispatcher) ExecTtlNanoseconds 

func (d Dispatcher) ExecTtlNanoseconds(id string, hash []byte) (int64, error)

func (Dispatcher) ExecTtlSeconds 

func (d Dispatcher) ExecTtlSeconds(id string, hash []byte) (float64, error)

func (Dispatcher) ExecTtlString 

func (d Dispatcher) ExecTtlString(id string, hash []byte) (string, error)

func (Dispatcher) GetAssignedWorker 

func (d Dispatcher) GetAssignedWorker(hash []byte) *melody.Session

GetAssignedWorker returns worker assigned to execute job

func (Dispatcher) GetBC 

func (d Dispatcher) GetBC() *core.BlockChain

func (Dispatcher) GetBench 

func (d Dispatcher) GetBench() benchmark.Engine

func (Dispatcher) GetBenchmarks 

func (d Dispatcher) GetBenchmarks() []benchmark.Benchmark

func (Dispatcher) GetDWS 

func (d Dispatcher) GetDWS() *melody.Melody

func (*Dispatcher) GetDispatchersAndSync 

func (d *Dispatcher) GetDispatchersAndSync()

GetDispatchersAndSync get's dispatchers from centrum and syncs with the node with the highest verison

func (Dispatcher) GetIP 

func (d Dispatcher) GetIP() string

func (Dispatcher) GetJC 

func (d Dispatcher) GetJC() *cache.JobCache

func (Dispatcher) GetJobPQ 

func (d Dispatcher) GetJobPQ() *queue.JobPriorityQueue

func (Dispatcher) GetJobs 

func (d Dispatcher) GetJobs() []job.Job

func (Dispatcher) GetPeer 

func (d Dispatcher) GetPeer(n interface{}) *DispatcherInfo

func (Dispatcher) GetPeers 

func (d Dispatcher) GetPeers() map[interface{}]*DispatcherInfo

func (Dispatcher) GetPeersPubs 

func (d Dispatcher) GetPeersPubs() []string

func (Dispatcher) GetPort 

func (d Dispatcher) GetPort() int

func (Dispatcher) GetPrivByte 

func (d Dispatcher) GetPrivByte() []byte

func (Dispatcher) GetPrivString 

func (d Dispatcher) GetPrivString() string

func (Dispatcher) GetPubByte 

func (d Dispatcher) GetPubByte() []byte

func (Dispatcher) GetPubString 

func (d Dispatcher) GetPubString() string

func (Dispatcher) GetRPC 

func (d Dispatcher) GetRPC() *rpc.HTTPService

func (Dispatcher) GetUptimeString 

func (d Dispatcher) GetUptimeString() string

func (Dispatcher) GetUptme 

func (d Dispatcher) GetUptme() int64

func (Dispatcher) GetWWS 

func (d Dispatcher) GetWWS() *melody.Melody

func (Dispatcher) GetWorker 

func (d Dispatcher) GetWorker(s *melody.Session) *WorkerInfo

func (Dispatcher) GetWorkerPQ 

func (d Dispatcher) GetWorkerPQ() *WorkerPriorityQueue

func (Dispatcher) GetWorkers 

func (d Dispatcher) GetWorkers() map[*melody.Session]*WorkerInfo

func (Dispatcher) GetWriteQ 

func (d Dispatcher) GetWriteQ() *lane.Queue

func (Dispatcher) IsJobPrivate 

func (d Dispatcher) IsJobPrivate(id string) (bool, error)

func (Dispatcher) Job 

func (d Dispatcher) Job(id string) (string, error)

Job returns a job

func (Dispatcher) JobExecs 

func (d Dispatcher) JobExecs(id string) (string, error)

func (Dispatcher) JobLatestExec 

func (d Dispatcher) JobLatestExec(id string) (string, error)

func (Dispatcher) JobName 

func (d Dispatcher) JobName(id string) (string, error)

func (Dispatcher) JobQueueCount 

func (d Dispatcher) JobQueueCount() int

JobQueueCount returns nubmer of jobs waiting to be executed

func (Dispatcher) JobSubmisstionTimeString 

func (d Dispatcher) JobSubmisstionTimeString(id string) (string, error)

func (Dispatcher) JobSubmisstionTimeUnix 

func (d Dispatcher) JobSubmisstionTimeUnix(id string) (int64, error)

func (Dispatcher) KeyPair 

func (d Dispatcher) KeyPair() (string, error)

KeyPair returns new pub and priv keypair

func (Dispatcher) Latest15Blocks 

func (d Dispatcher) Latest15Blocks() (string, error)

func (Dispatcher) LatestBlock 

func (d Dispatcher) LatestBlock() string

func (Dispatcher) LatestBlockHeight 

func (d Dispatcher) LatestBlockHeight() int

func (Dispatcher) MulticastPeers 

func (d Dispatcher) MulticastPeers(m []byte, peers []string)

MulticastPeers sends message to specified peers

func (Dispatcher) NewExec 

func (d Dispatcher) NewExec(args []interface{}, retries, priority int, backoff int64, execTime int64, interval int, ttl int64, pub string, envs string) (string, error)

func (Dispatcher) NewJob 

func (d Dispatcher) NewJob(task string, name string, priv bool, privKey string) (string, error)

func (Dispatcher) PeerCount 

func (d Dispatcher) PeerCount() int

PeerCount returns the number of peers a node has

func (Dispatcher) Peers 

func (d Dispatcher) Peers() []string

Peers returns the public keys of its peers

func (Dispatcher) PendingCount 

func (d Dispatcher) PendingCount() int

PendingCount returns number of job waiting to be written to the bc

func (Dispatcher) PublicKey 

func (d Dispatcher) PublicKey() string

func (Dispatcher) Register 

func (d Dispatcher) Register()

Register registers dispatcher with centrum

func (Dispatcher) Rpc 

func (d Dispatcher) Rpc()

func (Dispatcher) SaveToken 

func (d Dispatcher) SaveToken()

SaveToken saves token got from centrum to db

func (Dispatcher) Score 

func (d Dispatcher) Score() float64

func (*Dispatcher) SetIP 

func (d *Dispatcher) SetIP(ip string)

func (*Dispatcher) SetWorker 

func (d *Dispatcher) SetWorker(s *melody.Session, w *WorkerInfo)

func (Dispatcher) Solo 

func (d Dispatcher) Solo(jr string) (string, error)

func (Dispatcher) Start 

func (d Dispatcher) Start()

Start spins up services

func (Dispatcher) Version 

func (d Dispatcher) Version() string

Version returns nodes version

func (Dispatcher) WorkerExists 

func (d Dispatcher) WorkerExists(s *melody.Session) bool

func (Dispatcher) WorkersCount 

func (d Dispatcher) WorkersCount() int

func (Dispatcher) WorkersCountBusy 

func (d Dispatcher) WorkersCountBusy() int

func (Dispatcher) WorkersCountNotBusy 

func (d Dispatcher) WorkersCountNotBusy() int

func (Dispatcher) WriteJobs 

func (d Dispatcher) WriteJobs(jobs []job.Job)

WriteJobs writes jobs to the bc

type DispatcherBody 

type DispatcherBody struct {
	Pub  string `url:"pub"`
	IP   string `url:"ip"`
	Port int    `url:"port"`
}

type DispatcherInfo 

type DispatcherInfo struct {
	Pub   []byte
	Peers []string
}

DispatcherInfo message used to create and maintain adjacency between dispatcher nodes

func DeserializeDispatcherInfo 

func DeserializeDispatcherInfo(b []byte) DispatcherInfo

func NewDispatcherInfo 

func NewDispatcherInfo(pub []byte, p []string) *DispatcherInfo

func (*DispatcherInfo) AddPeer 

func (w *DispatcherInfo) AddPeer(n string)

func (DispatcherInfo) GetPeers 

func (d DispatcherInfo) GetPeers() []string

func (DispatcherInfo) GetPub 

func (d DispatcherInfo) GetPub() []byte

func (DispatcherInfo) Serialize 

func (d DispatcherInfo) Serialize() []byte

func (*DispatcherInfo) SetPeers 

func (d *DispatcherInfo) SetPeers(n []string)

func (*DispatcherInfo) SetPub 

func (d *DispatcherInfo) SetPub(pub []byte)

type PeerMessage 

type PeerMessage struct {
	Message   string
	Payload   []byte
	Signature [][]byte
}

PeerMessage message sent between nodes

func DeserializePeerMessage 

func DeserializePeerMessage(b []byte) PeerMessage

func NewPeerMessage 

func NewPeerMessage(message string, payload []byte, priv []byte) PeerMessage

func (PeerMessage) GetMessage 

func (m PeerMessage) GetMessage() string

func (PeerMessage) GetPayload 

func (m PeerMessage) GetPayload() []byte

func (PeerMessage) GetSignature 

func (m PeerMessage) GetSignature() [][]byte

func (PeerMessage) Serialize 

func (m PeerMessage) Serialize() []byte

func (*PeerMessage) SetMessage 

func (m *PeerMessage) SetMessage(message string)

func (*PeerMessage) SetPayload 

func (m *PeerMessage) SetPayload(payload []byte)

func (*PeerMessage) VerifySignature 

func (m *PeerMessage) VerifySignature(pub string) bool

type Version 

type Version struct {
	Version int
	Height  int
	Blocks  []string
}

func DeserializeVersion 

func DeserializeVersion(b []byte) Version

func NewVersion 

func NewVersion(version int, height int, blocks []string) Version

func (Version) GetBlocks 

func (v Version) GetBlocks() []string

func (Version) GetHeight 

func (v Version) GetHeight() int

func (Version) GetVersion 

func (v Version) GetVersion() int

func (Version) Serialize 

func (v Version) Serialize() []byte

type Worker 

type Worker struct {
	Pub        []byte //public key of the node
	Dispatcher string
	// contains filtered or unexported fields
}

func NewWorker 

func NewWorker() *Worker

func (*Worker) Connect 

func (w *Worker) Connect()

func (*Worker) Dial 

func (w *Worker) Dial(url string) error

func (Worker) Disconnect 

func (w Worker) Disconnect()

func (Worker) GetBusy 

func (w Worker) GetBusy() bool

func (Worker) GetDispatcher 

func (w Worker) GetDispatcher() string

func (*Worker) GetDispatchers 

func (w *Worker) GetDispatchers()

func (Worker) GetItem 

func (w Worker) GetItem() qItem.Item

func (Worker) GetPrivByte 

func (w Worker) GetPrivByte() []byte

func (Worker) GetPrivString 

func (w Worker) GetPrivString() string

func (Worker) GetPubByte 

func (w Worker) GetPubByte() []byte

func (Worker) GetPubString 

func (w Worker) GetPubString() string

func (Worker) GetShortlist 

func (w Worker) GetShortlist() []string

func (Worker) GetState 

func (w Worker) GetState() string

func (Worker) GetUptimeString 

func (w Worker) GetUptimeString() string

func (Worker) GetUptme 

func (w Worker) GetUptme() int64

func (Worker) NodeTypeDispatcher 

func (w Worker) NodeTypeDispatcher() bool

func (*Worker) SetBusy 

func (w *Worker) SetBusy(b bool)

func (*Worker) SetDispatcher 

func (w *Worker) SetDispatcher(d string)

func (*Worker) SetItem 

func (w *Worker) SetItem(i qItem.Item)

func (*Worker) SetShortlist 

func (w *Worker) SetShortlist(s []string)

func (*Worker) SetState 

func (w *Worker) SetState(s string)

func (*Worker) Start 

func (w *Worker) Start()

func (Worker) WatchInterrupt 

func (w Worker) WatchInterrupt()

type WorkerInfo 

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

func NewWorkerInfo 

func NewWorkerInfo(pub string) *WorkerInfo

func (*WorkerInfo) Assign 

func (w *WorkerInfo) Assign(j *qItem.Item)

func (*WorkerInfo) Busy 

func (w *WorkerInfo) Busy() bool

func (WorkerInfo) GetJob 

func (w WorkerInfo) GetJob() *qItem.Item

func (WorkerInfo) GetPub 

func (w WorkerInfo) GetPub() string

func (WorkerInfo) GetShut 

func (w WorkerInfo) GetShut() bool

func (*WorkerInfo) SetJob 

func (w *WorkerInfo) SetJob(j *qItem.Item)

func (*WorkerInfo) SetPub 

func (w *WorkerInfo) SetPub(pub string)

func (*WorkerInfo) SetShut 

func (w *WorkerInfo) SetShut(s bool)

type WorkerPriorityQueue 

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

func NewWorkerPriorityQueue 

func NewWorkerPriorityQueue() *WorkerPriorityQueue

func (WorkerPriorityQueue) Len 

func (pq WorkerPriorityQueue) Len() int

func (WorkerPriorityQueue) Pop 

func (pq WorkerPriorityQueue) Pop() *melody.Session

func (WorkerPriorityQueue) Push 

func (pq WorkerPriorityQueue) Push(s *melody.Session, priority int)

func (WorkerPriorityQueue) Remove 

func (pq WorkerPriorityQueue) Remove(s *melody.Session)

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