gate

package
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Published: Feb 27, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

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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.

Index

Constants

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Variables

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Functions

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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()
	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 {
	GetMinStorageHeartbeat() int64
	GetGateHandler() GateHandler
	GetAgentLearner() AgentLearner
	GetSessionLearner() SessionLearner
	GetStorageHandler() StorageHandler
	GetTracingHandler() TracingHandler
	NewSession(data []byte) (Session, error)
	NewSessionByMap(data map[string]interface{}) (Session, error)
}

type GateHandler

type GateHandler interface {
	Bind(Sessionid string, Userid string) (result Session, err string)                 //Bind the session with the the Userid.
	UnBind(Sessionid string) (result Session, err string)                              //UnBind the session with the the Userid.
	Set(Sessionid string, key string, value string) (result Session, err string)       //Set values (one or many) for the session.
	Remove(Sessionid string, key string) (result interface{}, err string)              //Remove value from the session.
	Push(Sessionid string, Settings map[string]string) (result Session, err string)    //推送信息给Session
	Send(Sessionid string, topic string, body []byte) (result interface{}, err string) //Send message
	SendBatch(Sessionids string, topic string, body []byte) (int64, string)            //批量发送
	BroadCast(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(Sessionid string, Userid string) (result bool, err string)
	Close(Sessionid string) (result interface{}, err string) //主动关闭连接
	Update(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 Session

type Session interface {
	GetIP() string
	GetNetwork() string
	GetUserid() string
	GetSessionid() string
	GetServerid() string
	GetSettings() map[string]string
	SetIP(ip 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
	/**
	通过Carrier数据构造本次rpc调用的tracing Span,如果没有就创建一个新的
	*/
	CreateRootSpan(operationName string) opentracing.Span
	/**
	通过Carrier数据构造本次rpc调用的tracing Span,如果没有就返回nil
	*/
	LoadSpan(operationName string) opentracing.Span
	/**
	获取本次rpc调用的tracing Span
	*/
	Span() opentracing.Span
	/**
	从Session的 Span继承一个新的Span
	*/
	ExtractSpan(operationName string) opentracing.Span
	/**
	获取Tracing的Carrier 可能为nil
	*/
	TracCarrier() map[string]string
	TracId() string
}

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(Userid string, session Session) (err error)
	/**
	强制删除Session信息
	*/
	Delete(Userid string) (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(Userid string)
}

* Session信息持久化

type TracingHandler

type TracingHandler interface {
	/**
	是否需要对本次客户端请求进行跟踪
	*/
	OnRequestTracing(session Session, topic string, msg []byte) bool
}

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