nsqlookupd

package
v0.3.7-HA.1.9.7 Latest Latest
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 Go to latest Published: Nov 1, 2019 License: MIT Imports: 27 Imported by: 0

README

nsqlookupd

nsqlookupd is the daemon that manages topology metadata and serves client requests to discover the location of topics at runtime.

Read the docs

Documentation

Index

Constants

View Source 
const (
	MAX_PARTITION_NUM = 255
	MAX_REPLICATOR    = 5
	MAX_LOAD_FACTOR   = 10000
)
View Source 
const (
	OLD_VERSION_PID = -11
)

Variables

This section is empty.

Functions

func GetValidPartitionID 

func GetValidPartitionID(numStr string) (int, error)

func GetValidPartitionNum 

func GetValidPartitionNum(numStr string) (int, error)

func GetValidReplicator 

func GetValidReplicator(r string) (int, error)

func GetValidSuggestLF 

func GetValidSuggestLF(r string) (int, error)

func HandleBlockRate 

func HandleBlockRate(w http.ResponseWriter, req *http.Request, ps httprouter.Params) (interface{}, error)

func SetLogger 

func SetLogger(logger levellogger.Logger, level int32)

Types

type ChannelReg 

type ChannelReg struct {
	PartitionID string
	PeerId      string
	Channel     string
}

func (ChannelReg) IsMatch 

func (k ChannelReg) IsMatch(pid string, peerId string, ch string) bool

type ChannelRegistrations 

type ChannelRegistrations []ChannelReg

func (ChannelRegistrations) Channels 

func (rr ChannelRegistrations) Channels() []string

type ClientV1 

type ClientV1 struct {
	net.Conn
	// contains filtered or unexported fields
}

func NewClientV1 

func NewClientV1(conn net.Conn) *ClientV1

func (*ClientV1) String 

func (c *ClientV1) String() string

type Context 

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

type LookupProtocolV1 

type LookupProtocolV1 struct {
	// contains filtered or unexported fields
}

func (*LookupProtocolV1) Exec 

func (p *LookupProtocolV1) Exec(client *ClientV1, reader *bufio.Reader, params []string) ([]byte, error)

func (*LookupProtocolV1) IDENTIFY 

func (p *LookupProtocolV1) IDENTIFY(client *ClientV1, reader *bufio.Reader, params []string) ([]byte, error)

func (*LookupProtocolV1) IOLoop 

func (p *LookupProtocolV1) IOLoop(conn net.Conn) error

func (*LookupProtocolV1) PING 

func (p *LookupProtocolV1) PING(client *ClientV1, params []string) ([]byte, error)

func (*LookupProtocolV1) REGISTER 

func (p *LookupProtocolV1) REGISTER(client *ClientV1, reader *bufio.Reader, params []string) ([]byte, error)

func (*LookupProtocolV1) UNREGISTER 

func (p *LookupProtocolV1) UNREGISTER(client *ClientV1, reader *bufio.Reader, params []string) ([]byte, error)

type NSQLookupd 

type NSQLookupd struct {
	sync.RWMutex

	DB *RegistrationDB
	// contains filtered or unexported fields
}

func New added in v0.3.6 

func New(opts *Options) *NSQLookupd

func (*NSQLookupd) Exit 

func (l *NSQLookupd) Exit()

func (*NSQLookupd) Main 

func (l *NSQLookupd) Main()

func (*NSQLookupd) RealHTTPAddr added in v0.3.3 

func (l *NSQLookupd) RealHTTPAddr() *net.TCPAddr

func (*NSQLookupd) RealTCPAddr added in v0.3.3 

func (l *NSQLookupd) RealTCPAddr() *net.TCPAddr

type NodeStat 

type NodeStat struct {
	Hostname         string  `json:"hostname"`
	BroadcastAddress string  `json:"broadcast_address"`
	TCPPort          int     `json:"tcp_port"`
	HTTPPort         int     `json:"http_port"`
	LeaderLoadFactor float64 `json:"leader_load_factor"`
	NodeLoadFactor   float64 `json:"node_load_factor"`
}

type Options added in v0.3.6 

type Options struct {
	Verbose bool `flag:"verbose"`

	TCPAddress         string `flag:"tcp-address"`
	HTTPAddress        string `flag:"http-address"`
	RPCPort            string `flag:"rpc-port"`
	BroadcastAddress   string `flag:"broadcast-address"`
	BroadcastInterface string `flag:"broadcast-interface"`

	ReverseProxyPort string `flag:"reverse-proxy-port"`

	ClusterID                  string `flag:"cluster-id"`
	ClusterLeadershipAddresses string `flag:"cluster-leadership-addresses" cfg:"cluster_leadership_addresses"`
	ClusterLeadershipUsername  string `flag:"cluster-leadership-username" cfg:"cluster_leadership_username"`
	ClusterLeadershipPassword  string `flag:"cluster-leadership-password" cfg:"cluster_leadership_password"`
	ClusterLeadershipRootDir   string `flag:"cluster-leadership-root-dir" cfg:"cluster_leadership_root_dir"`

	InactiveProducerTimeout  time.Duration `flag:"inactive-producer-timeout"`
	NsqdPingTimeout          time.Duration `flag:"nsqd-ping-timeout"`
	BalanceInterval          []string      `flag:"balance-interval"`
	AllowWriteWithNoChannels bool          `flag:"allow-write-with-nochannels"`

	LogLevel int32  `flag:"log-level" cfg:"log_level"`
	LogDir   string `flag:"log-dir" cfg:"log_dir"`
	Logger   levellogger.Logger
}

func NewOptions added in v0.3.6 

func NewOptions() *Options

type PeerInfo 

type PeerInfo struct {
	Id               string `json:"id"`
	RemoteAddress    string `json:"remote_address"`
	Hostname         string `json:"hostname"`
	BroadcastAddress string `json:"broadcast_address"`
	TCPPort          int    `json:"tcp_port"`
	HTTPPort         int    `json:"http_port"`
	Version          string `json:"version"`
	// the node id used in the cluster.
	DistributedID string `json:"distributed_id"`
	// contains filtered or unexported fields
}

func (*PeerInfo) IsOldPeer 

func (self *PeerInfo) IsOldPeer() bool

type PeerInfoList 

type PeerInfoList []*PeerInfo

func (PeerInfoList) FilterByActive 

func (pp PeerInfoList) FilterByActive(inactivityTimeout time.Duration) PeerInfoList

type Producer 

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

func (*Producer) IsTombstoned 

func (p *Producer) IsTombstoned() bool

func (*Producer) String 

func (p *Producer) String() string

func (*Producer) Tombstone 

func (p *Producer) Tombstone()

func (*Producer) UndoTombstone 

func (p *Producer) UndoTombstone()

type Producers 

type Producers []*Producer

func (Producers) FilterByActive 

func (pp Producers) FilterByActive(inactivityTimeout time.Duration, filterTomb bool) Producers

func (Producers) PeerInfo 

func (pp Producers) PeerInfo() []*PeerInfo

type RegistrationDB 

type RegistrationDB struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewRegistrationDB 

func NewRegistrationDB() *RegistrationDB

func (*RegistrationDB) AddChannelReg 

func (r *RegistrationDB) AddChannelReg(topic string, k ChannelReg) bool

add a registration key

func (*RegistrationDB) AddTopicProducer 

func (r *RegistrationDB) AddTopicProducer(topic string, pidStr string, p *Producer) bool

func (*RegistrationDB) DelTombstoneLookupdNode 

func (r *RegistrationDB) DelTombstoneLookupdNode(nid string) bool

func (*RegistrationDB) FindChannelRegs 

func (r *RegistrationDB) FindChannelRegs(topic string, pid string) ChannelRegistrations

func (*RegistrationDB) FindPeerTopics 

func (r *RegistrationDB) FindPeerTopics(id string) map[string]TopicRegistrations

func (*RegistrationDB) FindTopicProducers 

func (r *RegistrationDB) FindTopicProducers(topic string, pid string) TopicRegistrations

func (*RegistrationDB) FindTopics 

func (r *RegistrationDB) FindTopics() []string

func (*RegistrationDB) GetAllPeerClients 

func (r *RegistrationDB) GetAllPeerClients() PeerInfoList

func (*RegistrationDB) IsTombstoneLookupdNode 

func (r *RegistrationDB) IsTombstoneLookupdNode(nid string) bool

func (*RegistrationDB) RemoveAllByPeerId 

func (r *RegistrationDB) RemoveAllByPeerId(id string)

remove all topic producers and channels related with peer id

func (*RegistrationDB) RemoveChannelReg 

func (r *RegistrationDB) RemoveChannelReg(topic string, k ChannelReg) bool

func (*RegistrationDB) RemoveTopicProducer 

func (r *RegistrationDB) RemoveTopicProducer(topic string, pid string, id string) bool

func (*RegistrationDB) SearchPeerClientByClusterID 

func (r *RegistrationDB) SearchPeerClientByClusterID(id string) *PeerInfo

func (*RegistrationDB) SearchPeerClientByID 

func (r *RegistrationDB) SearchPeerClientByID(id string) *PeerInfo

func (*RegistrationDB) TombstoneLookupdNode 

func (r *RegistrationDB) TombstoneLookupdNode(nid string, pinfo PeerInfo)

type TopNInfo 

type TopNInfo struct {
	Topic      string  `json:"topic,omitempty"`
	LoadFactor float64 `json:"load_factor,omitempty"`
}

type TopicProducerReg 

type TopicProducerReg struct {
	PartitionID  string
	ProducerNode *Producer
}

type TopicRegistrations 

type TopicRegistrations []TopicProducerReg

func (TopicRegistrations) FilterByActive 

func (pp TopicRegistrations) FilterByActive(inactivityTimeout time.Duration, filterTomb bool) TopicRegistrations

Source Files

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