module

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.

Index

• type App
• type ClientRPCHandler
• type Module
• type Option
  • func BILogDir(v string) Option
  • func Configure(v string) Option
  • func Debug(t bool) Option
  • func KillWaitTTL(t time.Duration) Option
  • func LogDir(v string) Option
  • func Nats(nc *nats.Conn) Option
  • func ProcessID(v string) Option
  • func RegisterInterval(t time.Duration) Option
  • func RegisterTTL(t time.Duration) Option
  • func Registry(r registry.Registry) Option
  • func Selector(r selector.Selector) Option
  • func SetClientRPChandler(t ClientRPCHandler) Option
  • func SetServerRPCHandler(t ServerRPCHandler) Option
  • func Version(v string) Option
  • func WorkDir(v string) Option
• type Options
• type ProtocolMarshal
• type RPCModule
• type RPCSerialize
• type ServerRPCHandler
• type ServerSession

Types

type App

type App interface {
	Run(mods ...Module) error
	SetMapRoute(fn func(app App, route string) string) error
	Configure(settings conf.Config) error
	OnInit(settings conf.Config) error
	OnDestroy() error
	Options() Options
	Transport() *nats.Conn
	Registry() registry.Registry
	GetServerById(id string) (ServerSession, error)
	/**
	filter		 调用者服务类型    moduleType|moduleType@moduleID
	Type	   	想要调用的服务类型
	*/
	GetRouteServer(filter string, opts ...selector.SelectOption) (ServerSession, error) //获取经过筛选过的服务
	GetServersByType(Type string) []ServerSession
	GetSettings() conf.Config //获取配置信息
	RpcInvoke(module RPCModule, moduleType string, _func string, params ...interface{}) (interface{}, string)
	RpcInvokeNR(module RPCModule, moduleType string, _func string, params ...interface{}) error
	RpcCall(ctx context.Context, moduleType, _func string, param mqrpc.ParamOption, opts ...selector.SelectOption) (interface{}, string)
	/**
	添加一个 自定义参数序列化接口
	gate,system 关键词一被占用请使用其他名称
	*/
	AddRPCSerialize(name string, Interface RPCSerialize) error

	GetRPCSerialize() map[string]RPCSerialize

	GetModuleInited() func(app App, module Module)

	OnConfigurationLoaded(func(app App)) error
	OnModuleInited(func(app App, module Module)) error
	OnStartup(func(app App)) error

	SetProtocolMarshal(protocolMarshal func(Trace string, Result interface{}, Error string) (ProtocolMarshal, string)) error
	/**
	与客户端通信的协议包接口
	*/
	ProtocolMarshal(Trace string, Result interface{}, Error string) (ProtocolMarshal, string)
	NewProtocolMarshal(data []byte) ProtocolMarshal
	GetProcessID() string
	WorkDir() string
}

type ClientRPCHandler

type ClientRPCHandler func(app App, server registry.Node, rpcinfo rpcpb.RPCInfo, result interface{}, err string, exec_time int64)

type Module

type Module interface {
	Version() string                             //模块版本
	GetType() string                             //模块类型
	OnAppConfigurationLoaded(app App)            //当App初始化时调用，这个接口不管这个模块是否在这个进程运行都会调用
	OnConfChanged(settings *conf.ModuleSettings) //为以后动态服务发现做准备
	OnInit(app App, settings *conf.ModuleSettings)
	OnDestroy()
	GetApp() App
	Run(closeSig chan bool)
}

type Option

type Option func(*Options)

func BILogDir

func BILogDir(v string) Option

func Configure

func Configure(v string) Option

func Debug

func Debug(t bool) Option

只有是在调试模式下才会在控制台打印日志, 非调试模式下只在日志文件中输出日志

func KillWaitTTL

func KillWaitTTL(t time.Duration) Option

RegisterInterval specifies the interval on which to re-register

func LogDir

func LogDir(v string) Option

func Nats

func Nats(nc *nats.Conn) Option

func ProcessID

func ProcessID(v string) Option

func RegisterInterval

func RegisterInterval(t time.Duration) Option

RegisterInterval specifies the interval on which to re-register

func RegisterTTL

func RegisterTTL(t time.Duration) Option

RegisterTTL specifies the TTL to use when registering the service

func Registry

func Registry(r registry.Registry) Option

Registry sets the registry for the service and the underlying components

func Selector

func Selector(r selector.Selector) Option

func SetClientRPChandler

func SetClientRPChandler(t ClientRPCHandler) Option

func SetServerRPCHandler

func SetServerRPCHandler(t ServerRPCHandler) Option

func Version

func Version(v string) Option

func WorkDir

func WorkDir(v string) Option

type Options

type Options struct {
	Nats        *nats.Conn
	Version     string
	Debug       bool
	WorkDir     string
	ConfPath    string
	LogDir      string
	BIDir       string
	ProcessID   string
	KillWaitTTL time.Duration
	Registry    registry.Registry
	Selector    selector.Selector
	// Register loop interval
	RegisterInterval time.Duration
	RegisterTTL      time.Duration
	ClientRPChandler ClientRPCHandler
	ServerRPCHandler ServerRPCHandler
}

type ProtocolMarshal

type ProtocolMarshal interface {
	GetData() []byte
}

type RPCModule

type RPCModule interface {
	context.Context
	Module
	GetServerId() string //模块类型
	RpcInvoke(moduleType string, _func string, params ...interface{}) (interface{}, string)
	RpcInvokeNR(moduleType string, _func string, params ...interface{}) error
	RpcInvokeArgs(moduleType string, _func string, ArgsType []string, args [][]byte) (interface{}, string)
	RpcInvokeNRArgs(moduleType string, _func string, ArgsType []string, args [][]byte) error
	/*
		通用RPC调度函数
		ctx 		context.Context 			上下文,可以设置这次请求的超时时间
		moduleType	string 						服务名称
		_func		string						需要调度的服务方法
		param 		mqrpc.ParamOption			方法传参
		opts ...selector.SelectOption			服务发现模块过滤，可以用来选择调用哪个服务节点
	*/
	RpcCall(ctx context.Context, moduleType, _func string, param mqrpc.ParamOption, opts ...selector.SelectOption) (interface{}, string)
	GetModuleSettings() (settings *conf.ModuleSettings)
	/**
	filter		 调用者服务类型    moduleType|moduleType@moduleID
	Type	   	想要调用的服务类型
	*/
	GetRouteServer(filter string, opts ...selector.SelectOption) (ServerSession, error)
	GetStatistical() (statistical string, err error)
	GetExecuting() int64
}

type RPCSerialize

type RPCSerialize interface {
	/**
	序列化 结构体-->[]byte
	param 需要序列化的参数值
	@return ptype 当能够序列化这个值,并且正确解析为[]byte时 返回改值正确的类型,否则返回 ""即可
	@return p 解析成功得到的数据, 如果无法解析该类型,或者解析失败 返回nil即可
	@return err 无法解析该类型,或者解析失败 返回错误信息
	*/
	Serialize(param interface{}) (ptype string, p []byte, err error)
	/**
	反序列化 []byte-->结构体
	ptype 参数类型 与Serialize函数中ptype 对应
	b   参数的字节流
	@return param 解析成功得到的数据结构
	@return err 无法解析该类型,或者解析失败 返回错误信息
	*/
	Deserialize(ptype string, b []byte) (param interface{}, err error)
	/**
	返回这个接口能够处理的所有类型
	*/
	GetTypes() []string
}

* rpc 自定义参数序列化接口

type ServerRPCHandler

type ServerRPCHandler func(app App, module Module, callInfo mqrpc.CallInfo)

type ServerSession

type ServerSession interface {
	GetId() string
	GetName() string
	GetRpc() mqrpc.RPCClient
	GetApp() App
	GetNode() *registry.Node
	SetNode(node *registry.Node) (err error)
	Call(ctx context.Context, _func string, params ...interface{}) (interface{}, string)
	CallNR(_func string, params ...interface{}) (err error)
	CallArgs(ctx context.Context, _func string, ArgsType []string, args [][]byte) (interface{}, string)
	CallNRArgs(_func string, ArgsType []string, args [][]byte) (err error)
}