micro

package module
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 Go to latest Published: Sep 29, 2019 License: Apache-2.0 Imports: 19 Imported by: 0

README

project

This project fork from go-micro[https://github.com/micro/go-micro], removed grpc, tunnal, yaml support, make it simple and clear.

Documentation

Overview

Package micro is a pluggable framework for microservices

Index

Constants

This section is empty.

Variables

View Source 
var (
	HeaderPrefix = "Micro-"
)

Functions

func NewContext 

func NewContext(ctx context.Context, s Service) context.Context

NewContext returns a new Context with the Service embedded within it.

func RegisterHandler 

func RegisterHandler(s server.Server, h interface{}, opts ...server.HandlerOption) error

RegisterHandler is syntactic sugar for registering a handler

func RegisterSubscriber 

func RegisterSubscriber(topic string, s server.Server, h interface{}, opts ...server.SubscriberOption) error

RegisterSubscriber is syntactic sugar for registering a subscriber

Types

type Function 

type Function interface {
	// Inherits Service interface
	Service
	// Done signals to complete execution
	Done() error
	// Handle registers an RPC handler
	Handle(v interface{}) error
	// Subscribe registers a subscriber
	Subscribe(topic string, v interface{}) error
}

Function is a one time executing Service

func NewFunction 

func NewFunction(opts ...Option) Function

NewFunction returns a new Function for a one time executing Service

type Option 

type Option func(*Options)

func Action 

func Action(a func(*cli.Context)) Option

func Address 

func Address(addr string) Option

Address sets the address of the server

func AfterStart 

func AfterStart(fn func() error) Option

func AfterStop 

func AfterStop(fn func() error) Option

func BeforeStart 

func BeforeStart(fn func() error) Option

func BeforeStop 

func BeforeStop(fn func() error) Option

func Broker 

func Broker(b broker.Broker) Option

func Client 

func Client(c client.Client) Option

func Cmd 

func Cmd(c cmd.Cmd) Option

func Context 

func Context(ctx context.Context) Option

Context specifies a context for the service. Can be used to signal shutdown of the service. Can be used for extra option values.

func Flags 

func Flags(flags ...cli.Flag) Option

func Metadata 

func Metadata(md map[string]string) Option

Metadata associated with the service

func Name 

func Name(n string) Option

Name of the service

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(s selector.Selector) Option

Selector sets the selector for the service client

func Server 

func Server(s server.Server) Option

func Transport 

func Transport(t transport.Transport) Option

Transport sets the transport for the service and the underlying components

func Version 

func Version(v string) Option

Version of the service

func WrapCall 

func WrapCall(w ...client.CallWrapper) Option

WrapCall is a convenience method for wrapping a Client CallFunc

func WrapClient 

func WrapClient(w ...client.Wrapper) Option

WrapClient is a convenience method for wrapping a Client with some middleware component. A list of wrappers can be provided. Wrappers are applied in reverse order so the last is executed first.

func WrapHandler 

func WrapHandler(w ...server.HandlerWrapper) Option

WrapHandler adds a handler Wrapper to a list of options passed into the server

func WrapSubscriber 

func WrapSubscriber(w ...server.SubscriberWrapper) Option

WrapSubscriber adds a subscriber Wrapper to a list of options passed into the server

type Options 

type Options struct {
	Broker    broker.Broker
	Cmd       cmd.Cmd
	Client    client.Client
	Server    server.Server
	Registry  registry.Registry
	Transport transport.Transport

	// Before and After funcs
	BeforeStart []func() error
	BeforeStop  []func() error
	AfterStart  []func() error
	AfterStop   []func() error

	// Other options for implementations of the interface
	// can be stored in a context
	Context context.Context
}

type Publisher 

type Publisher interface {
	Publish(ctx context.Context, msg interface{}, opts ...client.PublishOption) error
}

Publisher is syntactic sugar for publishing

func NewPublisher 

func NewPublisher(topic string, c client.Client) Publisher

NewPublisher returns a new Publisher

type Service 

type Service interface {
	Init(...Option)
	Options() Options
	Client() client.Client
	Server() server.Server
	Run() error
	String() string
}

Service is an interface that wraps the lower level libraries within go-micro. Its a convenience method for building and initialising services.

func FromContext 

func FromContext(ctx context.Context) (Service, bool)

FromContext retrieves a Service from the Context.

func NewService 

func NewService(opts ...Option) Service

NewService creates and returns a new Service based on the packages within.

Source Files

View all Source files

Directories

Path Synopsis
api
handler
Package handler provides http handlers
 Package handler provides http handlers
handler/api
Package api provides an http-rpc handler which provides the entire http request over rpc
 Package api provides an http-rpc handler which provides the entire http request over rpc
handler/broker
Package broker provides a go-micro/broker handler
 Package broker provides a go-micro/broker handler
handler/event
Package event provides a handler which publishes an event
 Package event provides a handler which publishes an event
handler/file
Package file serves file relative to the current directory
 Package file serves file relative to the current directory
handler/http
Package http is a http reverse proxy handler
 Package http is a http reverse proxy handler
handler/registry
Package registry is a go-micro/registry handler
 Package registry is a go-micro/registry handler
handler/rpc
Package rpc is a go-micro rpc handler.
 Package rpc is a go-micro rpc handler.
handler/udp
Package udp reads and write from a udp connection
 Package udp reads and write from a udp connection
handler/unix
Package unix reads from a unix socket expecting it to be in /tmp/path
 Package unix reads from a unix socket expecting it to be in /tmp/path
handler/web
Package web contains the web handler including websocket support
 Package web contains the web handler including websocket support
internal/proto
proto
Package go_api is a generated protocol buffer package.
 Package go_api is a generated protocol buffer package.
resolver
Package resolver resolves a http request to an endpoint
 Package resolver resolves a http request to an endpoint
resolver/host
Package host resolves using http host
 Package host resolves using http host
resolver/micro
Package micro provides a micro rpc resolver which prefixes a namespace
 Package micro provides a micro rpc resolver which prefixes a namespace
resolver/path
Package path resolves using http path
 Package path resolves using http path
resolver/vpath
Package vpath resolves using http path and recognised versioned urls
 Package vpath resolves using http path and recognised versioned urls
router
Package router provides api service routing
 Package router provides api service routing
router/registry
Package registry provides a dynamic api service router
 Package registry provides a dynamic api service router
server
Package server provides an API gateway server which handles inbound requests
 Package server provides an API gateway server which handles inbound requests
server/http
Package http provides a http server with features; acme, cors, etc
 Package http provides a http server with features; acme, cors, etc
Package broker is an interface used for asynchronous messaging
 Package broker is an interface used for asynchronous messaging
http
Package http provides a http based message broker
 Package http provides a http based message broker
memory
Package memory provides a memory broker
 Package memory provides a memory broker
nats
Package nats provides a NATS broker
 Package nats provides a NATS broker
Package client is an interface for an RPC client
 Package client is an interface for an RPC client
mock
Package mock provides a mock client for testing
 Package mock provides a mock client for testing
pool
Package pool is a connection pool
 Package pool is a connection pool
selector
Package selector is a way to pick a list of service nodes
 Package selector is a way to pick a list of service nodes
selector/dns
Package dns provides a dns SRV selector
 Package dns provides a dns SRV selector
selector/registry
Package registry uses the go-micro registry for selection
 Package registry uses the go-micro registry for selection
selector/router
Package router is a network/router selector
 Package router is a network/router selector
selector/static
Package static provides a static resolver which returns the name/ip passed in without any change
 Package static provides a static resolver which returns the name/ip passed in without any change
Package codec is an interface for encoding messages
 Package codec is an interface for encoding messages
bytes
Package bytes provides a bytes codec which does not encode or decode anything
 Package bytes provides a bytes codec which does not encode or decode anything
json
Package json provides a json codec
 Package json provides a json codec
jsonrpc
Package jsonrpc provides a json-rpc 1.0 codec
 Package jsonrpc provides a json-rpc 1.0 codec
proto
Package proto provides a proto codec
 Package proto provides a proto codec
protorpc
Package proto is a generated protocol buffer package.
 Package proto is a generated protocol buffer package.
text
Package text reads any text/* content-type
 Package text reads any text/* content-type
Package config is an interface for dynamic configuration.
 Package config is an interface for dynamic configuration.
cmd
Package cmd is an interface for parsing the command line
 Package cmd is an interface for parsing the command line
encoder
Package encoder handles source encoding formats
 Package encoder handles source encoding formats
encoder/json
encoder/toml
encoder/xml
loader
package loader manages loading from multiple sources
 package loader manages loading from multiple sources
loader/memory
options
Package options provides a way to initialise options
 Package options provides a way to initialise options
reader
Package reader parses change sets and provides config values
 Package reader parses change sets and provides config values
reader/json
source
Package source is the interface for sources
 Package source is the interface for sources
source/cli
source/consul
source/env
source/file
Package file is a file source.
 Package file is a file source.
source/flag
source/memory
Package memory is a memory source
 Package memory is a memory source
Package data is an interface for data access
 Package data is an interface for data access
store
Package store is an interface for distribute data storage.
 Package store is an interface for distribute data storage.
store/consul
Package consul is a consul implementation of kv
 Package consul is a consul implementation of kv
store/memory
Package memory is a in-memory store store
 Package memory is a in-memory store store
debug
handler
proto
Package errors provides a way to return detailed information for an RPC request error.
 Package errors provides a way to return detailed information for an RPC request error.
Package metadata is a way of defining message headers
 Package metadata is a way of defining message headers
Package monitor monitors service health
 Package monitor monitors service health
Package plugin provides the ability to load plugins Package plugin provides the ability to load plugins
 Package plugin provides the ability to load plugins Package plugin provides the ability to load plugins
Package proxy is a transparent proxy built on the go-micro/server
 Package proxy is a transparent proxy built on the go-micro/server
http
Package http provides a micro rpc to http proxy
 Package http provides a micro rpc to http proxy
Package mdns is a multicast dns registry Package registry is an interface for service discovery
 Package mdns is a multicast dns registry Package registry is an interface for service discovery
cache
Package cache provides a registry cache
 Package cache provides a registry cache
consul
handler
mdns
Package mdns provides a multicast dns registry
 Package mdns provides a multicast dns registry
memory
Package memory provides an in-memory registry
 Package memory provides an in-memory registry
proto
service
Package service uses the registry service
 Package service uses the registry service
Package router provides a network routing control plane
 Package router provides a network routing control plane
handler
proto
service
Package server is an interface for a micro server
 Package server is an interface for a micro server
mock
Package service encapsulates the client, server and other interfaces to provide a complete micro service.
 Package service encapsulates the client, server and other interfaces to provide a complete micro service.
Package sync is a distributed synchronization framework
 Package sync is a distributed synchronization framework
event
Package event provides a distributed log interface
 Package event provides a distributed log interface
leader
Package leader provides leader election
 Package leader provides leader election
leader/consul
lock
Package lock provides distributed locking
 Package lock provides distributed locking
lock/consul
Package consul is a consul implemenation of lock
 Package consul is a consul implemenation of lock
task
Package task provides an interface for distributed jobs
 Package task provides an interface for distributed jobs
task/broker
Package broker provides a distributed task manager built on the micro broker
 Package broker provides a distributed task manager built on the micro broker
task/local
Package local provides a local task runner
 Package local provides a local task runner
time
Package time provides clock synchronization
 Package time provides clock synchronization
time/local
Package local provides a local clock
 Package local provides a local clock
time/ntp
Package ntp provides ntp synchronized time
 Package ntp provides ntp synchronized time
Package transport is an interface for synchronous connection based communication
 Package transport is an interface for synchronous connection based communication
http
Package http returns a http2 transport using net/http
 Package http returns a http2 transport using net/http
memory
Package memory is an in-memory transport
 Package memory is an in-memory transport
util
addr
backoff
Package backoff provides backoff functionality
 Package backoff provides backoff functionality
buf
ctx
file
http
io
Package io is for io management
 Package io is for io management
log
Package log is a global internal logger
 Package log is a global internal logger
mux
Package mux provides proxy muxing
 Package mux provides proxy muxing
net
socket
Package socket provides a pseudo socket
 Package socket provides a pseudo socket
tls
Package web provides web based micro services
 Package web provides web based micro services

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