gate

package
Version: v2.0.0+incompatible Latest Latest
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Published: Aug 22, 2019 License: Apache-2.0 Imports: 3 Imported by: 61

Documentation

Overview

Copyright 2014 mqant Author. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Copyright 2014 mqant Author. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

Constants

This section is empty.

Variables

View Source
var RPC_PARAM_ProtocolMarshal_TYPE = "ProtocolMarshal"
View Source
var RPC_PARAM_SESSION_TYPE = "SESSION"

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
	GetSession() Session
}

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
}

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)
}

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
}

* net代理服务 处理器

type Option

type Option func(*Options)

func BufSize

func BufSize(s int) Option

func ConcurrentTasks

func ConcurrentTasks(s int) Option

func Heartbeat

func Heartbeat(s time.Duration) Option

func OverTime

func OverTime(s time.Duration) Option

func SetAgentLearner

func SetAgentLearner(s AgentLearner) Option

func SetGateHandler

func SetGateHandler(s GateHandler) Option

func SetRouteHandler

func SetRouteHandler(s RouteHandler) Option

func SetSessionLearner

func SetSessionLearner(s SessionLearner) Option

func SetStorageHandler

func SetStorageHandler(s StorageHandler) Option

type Options

type Options struct {
	ConcurrentTasks int
	BufSize         int
	Heartbeat       time.Duration
	OverTime        time.Duration
	RouteHandler    RouteHandler
	StorageHandler  StorageHandler
	AgentLearner    AgentLearner
	SessionLearner  SessionLearner
	GateHandler     GateHandler
}

func NewOptions

func NewOptions(opts ...Option) Options

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)
}

type Session

type Session interface {
	GetIP() string
	GetTopic() string
	GetNetwork() string
	GetUserId() string
	GetUserIdInt64() int64
	GetSessionId() string
	GetServerId() string
	GetSettings() map[string]string
	SetIP(ip string)
	SetTopic(topic string)
	SetNetwork(network string)
	SetUserId(userid string)
	SetSessionId(sessionid string)
	SetServerId(serverid string)
	SetSettings(settings map[string]string)
	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
	Get(key string) (result string)
	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()

	TraceId() string

	// Span is an ID that probabilistically uniquely identifies this
	// span.
	SpanId() string

	ExtractSpan() log.TraceSpan
}

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
}

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)
}

* Session信息持久化

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