gate

package
v1.4.7 Latest Latest
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 Go to latest Published: Feb 25, 2021 License: Apache-2.0 Imports: 4 Imported by: 81

Documentation

Overview

Package gate 长连接网关定义

Package gate 网关配置

Index

Constants

This section is empty.

Variables

View Source 
var JudgeGuest func(session Session) bool

JudgeGuest 判断是否为游客

View Source 
var RPCParamProtocolMarshalType = "ProtocolMarshal"

RPCParamProtocolMarshalType ProtocolMarshal类型

View Source 
var RPCParamSessionType = "SESSION"

RPCParamSessionType gate.session 类型

Functions

This section is empty.

Types

type Agent 

type Agent interface {
	OnInit(gate Gate, conn network.Conn) error
	WriteMsg(topic string, body []byte) error
	Close()
	Run() (err error)
	OnClose() error
	Destroy()
	ConnTime() time.Time
	RevNum() int64
	SendNum() int64
	IsClosed() bool
	ProtocolOK() bool
	GetError() error //连接断开的错误日志
	GetSession() Session
}

Agent 客户端代理定义

type AgentLearner 

type AgentLearner interface {
	Connect(a Agent)    //当连接建立  并且MQTT协议握手成功
	DisConnect(a Agent) //当连接关闭	或者客户端主动发送MQTT DisConnect命令
}

AgentLearner 连接代理

type Gate 

type Gate interface {
	Options() Options
	GetGateHandler() GateHandler
	GetAgentLearner() AgentLearner
	GetSessionLearner() SessionLearner
	GetStorageHandler() StorageHandler
	GetRouteHandler() RouteHandler
	GetJudgeGuest() func(session Session) bool
	NewSession(data []byte) (Session, error)
	NewSessionByMap(data map[string]interface{}) (Session, error)
}

Gate 网关代理定义

type GateHandler 

type GateHandler interface {
	GetAgent(Sessionid string) (Agent, error)
	GetAgentNum() int
	Bind(span log.TraceSpan, Sessionid string, Userid string) (result Session, err string)                 //Bind the session with the the Userid.
	UnBind(span log.TraceSpan, Sessionid string) (result Session, err string)                              //UnBind the session with the the Userid.
	Set(span log.TraceSpan, Sessionid string, key string, value string) (result Session, err string)       //Set values (one or many) for the session.
	Remove(span log.TraceSpan, Sessionid string, key string) (result interface{}, err string)              //Remove value from the session.
	Push(span log.TraceSpan, Sessionid string, Settings map[string]string) (result Session, err string)    //推送信息给Session
	Send(span log.TraceSpan, Sessionid string, topic string, body []byte) (result interface{}, err string) //Send message
	SendBatch(span log.TraceSpan, Sessionids string, topic string, body []byte) (int64, string)            //批量发送
	BroadCast(span log.TraceSpan, topic string, body []byte) (int64, string)                               //广播消息给网关所有在连客户端
	//查询某一个userId是否连接中，这里只是查询这一个网关里面是否有userId客户端连接，如果有多个网关就需要遍历了
	IsConnect(span log.TraceSpan, Sessionid string, Userid string) (result bool, err string)
	Close(span log.TraceSpan, Sessionid string) (result interface{}, err string) //主动关闭连接
	Update(span log.TraceSpan, Sessionid string) (result Session, err string)    //更新整个Session 通常是其他模块拉取最新数据
	OnDestroy()                                                                  //退出事件,主动关闭所有的连接
}

GateHandler net代理服务处理器

type Option 

type Option func(*Options)

Option 网关配置项

func BufSize 

func BufSize(s int) Option

BufSize 单个连接网络数据缓存大小

func CertFile added in v1.3.0 

func CertFile(s string) Option

CertFile TLS 证书cert文件

func ConcurrentTasks 

func ConcurrentTasks(s int) Option

ConcurrentTasks 设置单个连接允许的同时并发协程数

func Heartbeat 

func Heartbeat(s time.Duration) Option

Heartbeat 心跳时间

func KeyFile added in v1.3.0 

func KeyFile(s string) Option

KeyFile TLS 证书key文件

func MaxPackSize added in v1.1.16 

func MaxPackSize(s int) Option

MaxPackSize 单个协议包数据最大值

func OverTime 

func OverTime(s time.Duration) Option

OverTime 超时时间

func ServerOpts added in v1.3.0 

func ServerOpts(s []server.Option) Option

ServerOpts ServerOpts

func SetAgentLearner 

func SetAgentLearner(s AgentLearner) Option

SetAgentLearner SetAgentLearner(不要使用,建议用SetSessionLearner)

func SetGateHandler 

func SetGateHandler(s GateHandler) Option

SetGateHandler SetGateHandler

func SetRouteHandler 

func SetRouteHandler(s RouteHandler) Option

SetRouteHandler 设置路由器

func SetSendMessageHook added in v1.1.6 

func SetSendMessageHook(s SendMessageHook) Option

SetSendMessageHook SetSendMessageHook

func SetSessionLearner 

func SetSessionLearner(s SessionLearner) Option

SetSessionLearner SetSessionLearner

func SetStorageHandler 

func SetStorageHandler(s StorageHandler) Option

SetStorageHandler 设置session管理器

func TCPAddr added in v1.3.6 

func TCPAddr(s string) Option

TCPAddr tcp监听端口

func TLS added in v1.3.6 

func TLS(s bool) Option

TLS TLS

func TcpAddr added in v1.3.0 

func TcpAddr(s string) Option

TcpAddr tcp监听地址 Deprecated: 因为命名规范问题函数将废弃,请用TCPAddr代替

func Tls added in v1.3.0 

func Tls(s bool) Option

Tls Tls Deprecated: 因为命名规范问题函数将废弃,请用TLS代替

func WsAddr added in v1.3.0 

func WsAddr(s string) Option

WsAddr websocket监听端口

type Options 

type Options struct {
	ConcurrentTasks int
	BufSize         int
	MaxPackSize     int
	TLS             bool
	TCPAddr         string
	WsAddr          string
	CertFile        string
	KeyFile         string
	Heartbeat       time.Duration
	OverTime        time.Duration
	RouteHandler    RouteHandler
	StorageHandler  StorageHandler
	AgentLearner    AgentLearner
	SessionLearner  SessionLearner
	GateHandler     GateHandler
	SendMessageHook SendMessageHook
	Opts            []server.Option
}

Options 网关配置项

func NewOptions 

func NewOptions(opts ...Option) Options

NewOptions 网关配置项

type RouteHandler 

type RouteHandler interface {
	/**
	是否需要对本次客户端请求转发规则进行hook
	*/
	OnRoute(session Session, topic string, msg []byte) (bool, interface{}, error)
}

RouteHandler 路由器

type SendMessageHook added in v1.1.6 

type SendMessageHook func(session Session, topic string, msg []byte) ([]byte, error)

SendMessageHook 给客户端下发消息拦截器

type Session 

type Session interface {
	GetIP() string
	GetTopic() string
	GetNetwork() string
	// Deprecated: 因为命名规范问题函数将废弃,请用GetUserID代替
	GetUserId() string
	GetUserID() string
	GetUserIdInt64() int64
	// Deprecated: 因为命名规范问题函数将废弃,请用GetUserIDInt64代替
	GetUserIDInt64() int64
	// Deprecated: 因为命名规范问题函数将废弃,请用GetSessionID代替
	GetSessionId() string
	GetSessionID() string
	// Deprecated: 因为命名规范问题函数将废弃,请用GetServerID代替
	GetServerId() string
	GetServerID() string
	//SettingsRange 配合一个回调函数进行遍历操作，通过回调函数返回内部遍历出来的值。Range 参数中的回调函数的返回值功能是：需要继续迭代遍历时，返回 true；终止迭代遍历时，返回 false。
	SettingsRange(func(k, v string) bool)
	// 合并两个map 并且以 agent.(Agent).GetSession().Settings 已有的优先
	ImportSettings(map[string]string) error
	//网关本地的额外数据,不会再rpc中传递
	LocalUserData() interface{}
	SetIP(ip string)
	SetTopic(topic string)
	SetNetwork(network string)
	// Deprecated: 因为命名规范问题函数将废弃,请用SetUserID代替
	SetUserId(userid string)
	SetUserID(userid string)
	// Deprecated: 因为命名规范问题函数将废弃,请用SetSessionID代替
	SetSessionId(sessionid string)
	SetSessionID(sessionid string)
	// Deprecated: 因为命名规范问题函数将废弃,请用SetServerId代替
	SetServerId(serverid string)
	SetServerID(serverid string)
	SetSettings(settings map[string]string)
	//CloneSettings
	CloneSettings() map[string]string
	SetLocalKV(key, value string) error
	RemoveLocalKV(key string) error
	//网关本地的额外数据,不会再rpc中传递
	SetLocalUserData(data interface{}) error
	Serializable() ([]byte, error)
	Update() (err string)
	Bind(UserID string) (err string)
	UnBind() (err string)
	Push() (err string)
	Set(key string, value string) (err string)
	SetPush(key string, value string) (err string)    //设置值以后立即推送到gate网关,跟Set功能相同
	SetBatch(settings map[string]string) (err string) //批量设置settings,跟当前已存在的settings合并,如果跟当前已存在的key重复则会被新value覆盖
	Get(key string) (result string)
	//Load 跟Get方法类似，但如果key不存在则 ok会返回false
	Load(key string) (result string, ok bool)
	Remove(key string) (err string)
	Send(topic string, body []byte) (err string)
	SendNR(topic string, body []byte) (err string)
	SendBatch(Sessionids string, topic string, body []byte) (int64, string) //想该客户端的网关批量发送消息
	//查询某一个userId是否连接中，这里只是查询这一个网关里面是否有userId客户端连接，如果有多个网关就需要遍历了
	IsConnect(Userid string) (result bool, err string)
	//是否是访客(未登录) ,默认判断规则为 userId==""代表访客
	IsGuest() bool
	//设置自动的访客判断函数,记得一定要在全局的时候设置这个值,以免部分模块因为未设置这个判断函数造成错误的判断
	JudgeGuest(judgeGuest func(session Session) bool)
	Close() (err string)
	Clone() Session

	CreateTrace()
	// Deprecated: 因为命名规范问题函数将废弃,请用TraceID代替
	TraceId() string
	TraceID() string

	// Span is an ID that probabilistically uniquely identifies this
	// span.
	// Deprecated: 因为命名规范问题函数将废弃,请用SpanID代替
	SpanId() string
	SpanID() string

	ExtractSpan() log.TraceSpan
}

Session session代表一个客户端连接,不是线程安全的

type SessionLearner 

type SessionLearner interface {
	Connect(a Session)    //当连接建立  并且MQTT协议握手成功
	DisConnect(a Session) //当连接关闭	或者客户端主动发送MQTT DisConnect命令
}

SessionLearner 客户端代理

type StorageHandler 

type StorageHandler interface {
	/**
	存储用户的Session信息
	Session Bind Userid以后每次设置 settings都会调用一次Storage
	*/
	Storage(session Session) (err error)
	/**
	强制删除Session信息
	*/
	Delete(session Session) (err error)
	/**
	获取用户Session信息
	Bind Userid时会调用Query获取最新信息
	*/
	Query(Userid string) (data []byte, err error)
	/**
	用户心跳,一般用户在线时1s发送一次
	可以用来延长Session信息过期时间
	*/
	Heartbeat(session Session)
}

StorageHandler Session信息持久化

Source Files

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Directories

Path Synopsis
Package basegate handler Copyright 2014 mqant Author.
 Package basegate handler Copyright 2014 mqant Author.
mqtt

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