add Live/Ready/Health methods

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2024-12-02 13:20:13 +03:00
parent ae97023092
commit 1111e6dbd7
24 changed files with 249 additions and 400 deletions

View File

@ -46,6 +46,12 @@ type Broker interface {
BatchSubscribe(ctx context.Context, topic string, h BatchHandler, opts ...SubscribeOption) (Subscriber, error) BatchSubscribe(ctx context.Context, topic string, h BatchHandler, opts ...SubscribeOption) (Subscriber, error)
// String type of broker // String type of broker
String() string String() string
// Live returns broker liveness
Live() bool
// Ready returns broker readiness
Ready() bool
// Health returns broker health
Health() bool
} }
type ( type (

View File

@ -339,6 +339,18 @@ func (m *memoryBroker) Name() string {
return m.opts.Name return m.opts.Name
} }
func (m *memoryBroker) Live() bool {
return true
}
func (m *memoryBroker) Ready() bool {
return true
}
func (m *memoryBroker) Health() bool {
return true
}
func (m *memoryEvent) Topic() string { func (m *memoryEvent) Topic() string {
return m.topic return m.topic
} }

View File

@ -25,6 +25,18 @@ func NewBroker(opts ...Option) *NoopBroker {
return b return b
} }
func (b *NoopBroker) Health() bool {
return true
}
func (b *NoopBroker) Live() bool {
return true
}
func (b *NoopBroker) Ready() bool {
return true
}
func (b *NoopBroker) Name() string { func (b *NoopBroker) Name() string {
return b.opts.Name return b.opts.Name
} }

View File

@ -11,7 +11,6 @@ import (
"go.unistack.org/micro/v3/logger" "go.unistack.org/micro/v3/logger"
"go.unistack.org/micro/v3/metadata" "go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/meter" "go.unistack.org/micro/v3/meter"
"go.unistack.org/micro/v3/network/transport"
"go.unistack.org/micro/v3/options" "go.unistack.org/micro/v3/options"
"go.unistack.org/micro/v3/register" "go.unistack.org/micro/v3/register"
"go.unistack.org/micro/v3/router" "go.unistack.org/micro/v3/router"
@ -22,8 +21,6 @@ import (
// Options holds client options // Options holds client options
type Options struct { type Options struct {
// Transport used for transfer messages
Transport transport.Transport
// Selector used to select needed address // Selector used to select needed address
Selector selector.Selector Selector selector.Selector
// Logger used to log messages // Logger used to log messages
@ -194,7 +191,6 @@ func NewOptions(opts ...Option) Options {
Retry: DefaultRetry, Retry: DefaultRetry,
Retries: DefaultRetries, Retries: DefaultRetries,
RequestTimeout: DefaultRequestTimeout, RequestTimeout: DefaultRequestTimeout,
DialTimeout: transport.DefaultDialTimeout,
}, },
Lookup: LookupRoute, Lookup: LookupRoute,
PoolSize: DefaultPoolSize, PoolSize: DefaultPoolSize,
@ -205,7 +201,6 @@ func NewOptions(opts ...Option) Options {
Meter: meter.DefaultMeter, Meter: meter.DefaultMeter,
Tracer: tracer.DefaultTracer, Tracer: tracer.DefaultTracer,
Router: router.DefaultRouter, Router: router.DefaultRouter,
Transport: transport.DefaultTransport,
} }
for _, o := range opts { for _, o := range opts {
@ -278,13 +273,6 @@ func PoolTTL(d time.Duration) Option {
} }
} }
// Transport to use for communication e.g http, rabbitmq, etc
func Transport(t transport.Transport) Option {
return func(o *Options) {
o.Transport = t
}
}
// Register sets the routers register // Register sets the routers register
func Register(r register.Register) Option { func Register(r register.Register) Option {
return func(o *Options) { return func(o *Options) {
@ -334,14 +322,6 @@ func TLSConfig(t *tls.Config) Option {
return func(o *Options) { return func(o *Options) {
// set the internal tls // set the internal tls
o.TLSConfig = t o.TLSConfig = t
// set the default transport if one is not
// already set. Required for Init call below.
// set the transport tls
_ = o.Transport.Init(
transport.TLSConfig(t),
)
} }
} }
@ -507,13 +487,6 @@ func WithAuthToken(t string) CallOption {
} }
} }
// WithNetwork is a CallOption which sets the network attribute
func WithNetwork(n string) CallOption {
return func(o *CallOptions) {
o.Network = n
}
}
// WithRouter sets the router to use for this call // WithRouter sets the router to use for this call
func WithRouter(r router.Router) CallOption { func WithRouter(r router.Router) CallOption {
return func(o *CallOptions) { return func(o *CallOptions) {

View File

@ -38,4 +38,10 @@ type Cluster interface {
Broadcast(ctx context.Context, msg Message, filter ...string) error Broadcast(ctx context.Context, msg Message, filter ...string) error
// Unicast send message to single member in cluster // Unicast send message to single member in cluster
Unicast(ctx context.Context, node Node, msg Message) error Unicast(ctx context.Context, node Node, msg Message) error
// Live returns cluster liveness
Live() bool
// Ready returns cluster readiness
Ready() bool
// Health returns cluster health
Health() bool
} }

View File

@ -4,7 +4,6 @@ package config
import ( import (
"context" "context"
"errors" "errors"
"fmt"
"reflect" "reflect"
"time" "time"
) )
@ -139,7 +138,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s BeforeLoad error", c.String()), err) c.Options().Logger.Error(ctx, c.String()+" BeforeLoad error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }
@ -154,7 +153,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s AfterLoad error", c.String()), err) c.Options().Logger.Error(ctx, c.String()+" AfterLoad error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }
@ -169,7 +168,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s BeforeSave error", c.String()), err) c.Options().Logger.Error(ctx, c.String()+" BeforeSave error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }
@ -184,7 +183,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s AfterSave error", c.String()), err) c.Options().Logger.Error(ctx, c.String()+" AfterSave error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }
@ -199,7 +198,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s BeforeInit error", c.String()), err) c.Options().Logger.Error(ctx, c.String()+" BeforeInit error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }
@ -214,7 +213,7 @@ var (
return nil return nil
} }
if err := fn(ctx, c); err != nil { if err := fn(ctx, c); err != nil {
c.Options().Logger.Error(ctx, fmt.Sprintf("%s AfterInit error", c.String(), err), err) c.Options().Logger.Error(ctx, c.String()+" AfterInit error", err)
if !c.Options().AllowFail { if !c.Options().AllowFail {
return err return err
} }

View File

@ -5,6 +5,28 @@ import (
"testing" "testing"
) )
func TestMultipleUsage(t *testing.T) {
ctx := context.TODO()
md := New(0)
md.Set("key1_1", "val1_1", "key1_2", "val1_2", "key1_3", "val1_3")
ctx = NewIncomingContext(ctx, Copy(md))
ctx = NewOutgoingContext(ctx, Copy(md))
imd, _ := FromIncomingContext(ctx)
omd, _ := FromOutgoingContext(ctx)
_ = func(x context.Context) context.Context {
m, _ := FromIncomingContext(x)
m.Del("key1_2")
return ctx
}(ctx)
_ = func(x context.Context) context.Context {
m, _ := FromIncomingContext(x)
m.Del("key1_3")
return ctx
}(ctx)
t.Logf("imd %#+v", imd)
t.Logf("omd %#+v", omd)
}
func TestMetadataSetMultiple(t *testing.T) { func TestMetadataSetMultiple(t *testing.T) {
md := New(4) md := New(4)
md.Set("key1", "val1", "key2", "val2", "key3") md.Set("key1", "val1", "key2", "val2", "key3")

View File

@ -66,6 +66,12 @@ type bro struct {
func (p *bro) Name() string { return p.name } func (p *bro) Name() string { return p.name }
func (p *bro) Live() bool { return true }
func (p *bro) Ready() bool { return true }
func (p *bro) Health() bool { return true }
func (p *bro) Init(opts ...broker.Option) error { return nil } func (p *bro) Init(opts ...broker.Option) error { return nil }
// Options returns broker options // Options returns broker options

View File

@ -45,6 +45,18 @@ type (
tunnelAddr struct{} tunnelAddr struct{}
) )
func (t *tunBroker) Live() bool {
return true
}
func (t *tunBroker) Ready() bool {
return true
}
func (t *tunBroker) Health() bool {
return true
}
func (t *tunBroker) Init(opts ...broker.Option) error { func (t *tunBroker) Init(opts ...broker.Option) error {
for _, o := range opts { for _, o := range opts {
o(&t.opts) o(&t.opts)

View File

@ -29,17 +29,32 @@ var (
// and an abstraction over varying implementations // and an abstraction over varying implementations
// {consul, etcd, zookeeper, ...} // {consul, etcd, zookeeper, ...}
type Register interface { type Register interface {
// Name returns register name
Name() string Name() string
// Init initialize register
Init(...Option) error Init(...Option) error
// Options returns options for register
Options() Options Options() Options
// Connect initialize connect to register
Connect(context.Context) error Connect(context.Context) error
// Disconnect initialize discconection from register
Disconnect(context.Context) error Disconnect(context.Context) error
// Register service in registry
Register(context.Context, *Service, ...RegisterOption) error Register(context.Context, *Service, ...RegisterOption) error
// Deregister service from registry
Deregister(context.Context, *Service, ...DeregisterOption) error Deregister(context.Context, *Service, ...DeregisterOption) error
// LookupService in registry
LookupService(context.Context, string, ...LookupOption) ([]*Service, error) LookupService(context.Context, string, ...LookupOption) ([]*Service, error)
// ListServices in registry
ListServices(context.Context, ...ListOption) ([]*Service, error) ListServices(context.Context, ...ListOption) ([]*Service, error)
// Watch registry events
Watch(context.Context, ...WatchOption) (Watcher, error) Watch(context.Context, ...WatchOption) (Watcher, error)
// String returns registry string representation
String() string String() string
// Live returns register liveness
// Live() bool
// Ready returns register readiness
// Ready() bool
} }
// Service holds service register info // Service holds service register info

View File

@ -121,6 +121,18 @@ func (n *noopServer) newCodec(contentType string) (codec.Codec, error) {
return nil, codec.ErrUnknownContentType return nil, codec.ErrUnknownContentType
} }
func (n *noopServer) Live() bool {
return true
}
func (n *noopServer) Ready() bool {
return true
}
func (n *noopServer) Health() bool {
return true
}
func (n *noopServer) Handle(handler Handler) error { func (n *noopServer) Handle(handler Handler) error {
n.h = handler n.h = handler
return nil return nil

View File

@ -12,7 +12,6 @@ import (
"go.unistack.org/micro/v3/logger" "go.unistack.org/micro/v3/logger"
"go.unistack.org/micro/v3/metadata" "go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/meter" "go.unistack.org/micro/v3/meter"
"go.unistack.org/micro/v3/network/transport"
"go.unistack.org/micro/v3/options" "go.unistack.org/micro/v3/options"
"go.unistack.org/micro/v3/register" "go.unistack.org/micro/v3/register"
msync "go.unistack.org/micro/v3/sync" msync "go.unistack.org/micro/v3/sync"
@ -37,8 +36,6 @@ type Options struct {
Logger logger.Logger Logger logger.Logger
// Meter holds the meter // Meter holds the meter
Meter meter.Meter Meter meter.Meter
// Transport holds the transport
Transport transport.Transport
/* /*
// Router for requests // Router for requests
@ -100,7 +97,6 @@ func NewOptions(opts ...Option) Options {
Tracer: tracer.DefaultTracer, Tracer: tracer.DefaultTracer,
Broker: broker.DefaultBroker, Broker: broker.DefaultBroker,
Register: register.DefaultRegister, Register: register.DefaultRegister,
Transport: transport.DefaultTransport,
Address: DefaultAddress, Address: DefaultAddress,
Name: DefaultName, Name: DefaultName,
Version: DefaultVersion, Version: DefaultVersion,
@ -209,13 +205,6 @@ func Tracer(t tracer.Tracer) Option {
} }
} }
// Transport mechanism for communication e.g http, rabbitmq, etc
func Transport(t transport.Transport) Option {
return func(o *Options) {
o.Transport = t
}
}
// Metadata associated with the server // Metadata associated with the server
func Metadata(md metadata.Metadata) Option { func Metadata(md metadata.Metadata) Option {
return func(o *Options) { return func(o *Options) {
@ -249,14 +238,6 @@ func TLSConfig(t *tls.Config) Option {
return func(o *Options) { return func(o *Options) {
// set the internal tls // set the internal tls
o.TLSConfig = t o.TLSConfig = t
// set the default transport if one is not
// already set. Required for Init call below.
// set the transport tls
_ = o.Transport.Init(
transport.TLSConfig(t),
)
} }
} }

View File

@ -62,6 +62,12 @@ type Server interface {
Stop() error Stop() error
// Server implementation // Server implementation
String() string String() string
// Live returns server liveness
Live() bool
// Ready returns server readiness
Ready() bool
// Health returns server health
Health() bool
} }
type ( type (

View File

@ -1,5 +1,5 @@
// Package micro is a pluggable framework for microservices // Package micro is a pluggable framework for microservices
package micro // import "go.unistack.org/micro/v3" package micro
import ( import (
"fmt" "fmt"
@ -72,8 +72,14 @@ type Service interface {
Start() error Start() error
// Stop the service // Stop the service
Stop() error Stop() error
// The service implementation // String service representation
String() string String() string
// Live returns service liveness
Live() bool
// Ready returns service readiness
Ready() bool
// Health returns service health
Health() bool
} }
// RegisterHandler is syntactic sugar for registering a handler // RegisterHandler is syntactic sugar for registering a handler
@ -101,9 +107,7 @@ func (s *service) Name() string {
return s.opts.Name return s.opts.Name
} }
// Init initialises options. Additionally it calls cmd.Init // Init initialises options.
// which parses command line flags. cmd.Init is only called
// on first Init.
// //
//nolint:gocyclo //nolint:gocyclo
func (s *service) Init(opts ...Option) error { func (s *service) Init(opts ...Option) error {
@ -252,6 +256,63 @@ func (s *service) String() string {
return s.opts.Name return s.opts.Name
} }
func (s *service) Live() bool {
for _, v := range s.opts.Brokers {
if !v.Live() {
return false
}
}
for _, v := range s.opts.Servers {
if !v.Live() {
return false
}
}
for _, v := range s.opts.Stores {
if !v.Live() {
return false
}
}
return true
}
func (s *service) Ready() bool {
for _, v := range s.opts.Brokers {
if !v.Ready() {
return false
}
}
for _, v := range s.opts.Servers {
if !v.Ready() {
return false
}
}
for _, v := range s.opts.Stores {
if !v.Ready() {
return false
}
}
return true
}
func (s *service) Health() bool {
for _, v := range s.opts.Brokers {
if !v.Health() {
return false
}
}
for _, v := range s.opts.Servers {
if !v.Health() {
return false
}
}
for _, v := range s.opts.Stores {
if !v.Health() {
return false
}
}
return true
}
//nolint:gocyclo //nolint:gocyclo
func (s *service) Start() error { func (s *service) Start() error {
var err error var err error
@ -281,10 +342,6 @@ func (s *service) Start() error {
config.Loggers[0].Info(s.opts.Context, fmt.Sprintf("starting [service] %s version %s", s.Options().Name, s.Options().Version)) config.Loggers[0].Info(s.opts.Context, fmt.Sprintf("starting [service] %s version %s", s.Options().Name, s.Options().Version))
} }
if len(s.opts.Servers) == 0 {
return fmt.Errorf("cant start nil server")
}
for _, reg := range s.opts.Registers { for _, reg := range s.opts.Registers {
if err = reg.Connect(s.opts.Context); err != nil { if err = reg.Connect(s.opts.Context); err != nil {
return err return err

View File

@ -149,6 +149,18 @@ func (m *memoryStore) Name() string {
return m.opts.Name return m.opts.Name
} }
func (m *memoryStore) Live() bool {
return true
}
func (m *memoryStore) Ready() bool {
return true
}
func (m *memoryStore) Health() bool {
return true
}
func (m *memoryStore) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error { func (m *memoryStore) Exists(ctx context.Context, key string, opts ...store.ExistsOption) error {
if m.opts.LazyConnect { if m.opts.LazyConnect {
if err := m.connect(ctx); err != nil { if err := m.connect(ctx); err != nil {
@ -279,3 +291,16 @@ func (m *memoryStore) connect(ctx context.Context) error {
m.isConnected.CompareAndSwap(0, 1) m.isConnected.CompareAndSwap(0, 1)
return nil return nil
} }
func (m *memoryStore) Watch(ctx context.Context, opts ...store.WatchOption) (store.Watcher, error) {
return &watcher{}, nil
}
type watcher struct{}
func (w *watcher) Next() (store.Event, error) {
return nil, nil
}
func (w *watcher) Stop() {
}

View File

@ -23,6 +23,18 @@ type noopStore struct {
isConnected atomic.Int32 isConnected atomic.Int32
} }
func (n *noopStore) Live() bool {
return true
}
func (n *noopStore) Ready() bool {
return true
}
func (n *noopStore) Health() bool {
return true
}
func NewStore(opts ...Option) *noopStore { func NewStore(opts ...Option) *noopStore {
options := NewOptions(opts...) options := NewOptions(opts...)
return &noopStore{opts: options} return &noopStore{opts: options}

View File

@ -45,7 +45,14 @@ type Store interface {
Disconnect(ctx context.Context) error Disconnect(ctx context.Context) error
// String returns the name of the implementation. // String returns the name of the implementation.
String() string String() string
// Watch returns events watcher
Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error)
// Live returns store liveness
Live() bool
// Ready returns store readiness
Ready() bool
// Health returns store health
Health() bool
} }
type ( type (

View File

@ -70,3 +70,15 @@ func (w *NamespaceStore) String() string {
func (w *NamespaceStore) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) { func (w *NamespaceStore) Watch(ctx context.Context, opts ...WatchOption) (Watcher, error) {
return w.s.Watch(ctx, opts...) return w.s.Watch(ctx, opts...)
} }
func (w *NamespaceStore) Live() bool {
return w.s.Live()
}
func (w *NamespaceStore) Ready() bool {
return w.s.Ready()
}
func (w *NamespaceStore) Health() bool {
return w.s.Health()
}

View File

@ -1,40 +0,0 @@
// Package io is for io management
package io
import (
"io"
"go.unistack.org/micro/v3/network/transport"
)
type rwc struct {
socket transport.Socket
}
func (r *rwc) Read(p []byte) (n int, err error) {
m := new(transport.Message)
if err := r.socket.Recv(m); err != nil {
return 0, err
}
copy(p, m.Body)
return len(m.Body), nil
}
func (r *rwc) Write(p []byte) (n int, err error) {
err = r.socket.Send(&transport.Message{
Body: p,
})
if err != nil {
return 0, err
}
return len(p), nil
}
func (r *rwc) Close() error {
return r.socket.Close()
}
// NewRWC returns a new ReadWriteCloser
func NewRWC(sock transport.Socket) io.ReadWriteCloser {
return &rwc{sock}
}

View File

@ -1,118 +0,0 @@
package pool
import (
"context"
"sync"
"time"
"go.unistack.org/micro/v3/network/transport"
"go.unistack.org/micro/v3/util/id"
)
type pool struct {
tr transport.Transport
conns map[string][]*poolConn
size int
ttl time.Duration
sync.Mutex
}
type poolConn struct {
created time.Time
transport.Client
id string
}
func newPool(options Options) *pool {
return &pool{
size: options.Size,
tr: options.Transport,
ttl: options.TTL,
conns: make(map[string][]*poolConn),
}
}
func (p *pool) Close() error {
p.Lock()
for k, c := range p.conns {
for _, conn := range c {
conn.Client.Close()
}
delete(p.conns, k)
}
p.Unlock()
return nil
}
// NoOp the Close since we manage it
func (p *poolConn) Close() error {
return nil
}
func (p *poolConn) ID() string {
return p.id
}
func (p *poolConn) Created() time.Time {
return p.created
}
func (p *pool) Get(ctx context.Context, addr string, opts ...transport.DialOption) (Conn, error) {
p.Lock()
conns := p.conns[addr]
// while we have conns check age and then return one
// otherwise we'll create a new conn
for len(conns) > 0 {
conn := conns[len(conns)-1]
conns = conns[:len(conns)-1]
p.conns[addr] = conns
// if conn is old kill it and move on
if d := time.Since(conn.Created()); d > p.ttl {
conn.Client.Close()
continue
}
// we got a good conn, lets unlock and return it
p.Unlock()
return conn, nil
}
p.Unlock()
// create new conn
c, err := p.tr.Dial(ctx, addr, opts...)
if err != nil {
return nil, err
}
id, err := id.New()
if err != nil {
return nil, err
}
return &poolConn{
Client: c,
id: id,
created: time.Now(),
}, nil
}
func (p *pool) Release(conn Conn, err error) error {
// don't store the conn if it has errored
if err != nil {
return conn.(*poolConn).Client.Close()
}
// otherwise put it back for reuse
p.Lock()
conns := p.conns[conn.Remote()]
if len(conns) >= p.size {
p.Unlock()
return conn.(*poolConn).Client.Close()
}
p.conns[conn.Remote()] = append(conns, conn.(*poolConn))
p.Unlock()
return nil
}

View File

@ -1,92 +0,0 @@
//go:build ignore
// +build ignore
package pool
import (
"testing"
"time"
"go.unistack.org/micro/v3/network/transport"
"go.unistack.org/micro/v3/network/transport/memory"
)
func testPool(t *testing.T, size int, ttl time.Duration) {
// mock transport
tr := memory.NewTransport()
options := Options{
TTL: ttl,
Size: size,
Transport: tr,
}
// zero pool
p := newPool(options)
// listen
l, err := tr.Listen(":0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
// accept loop
go func() {
for {
if err := l.Accept(func(s transport.Socket) {
for {
var msg transport.Message
if err := s.Recv(&msg); err != nil {
return
}
if err := s.Send(&msg); err != nil {
return
}
}
}); err != nil {
return
}
}
}()
for i := 0; i < 10; i++ {
// get a conn
c, err := p.Get(l.Addr())
if err != nil {
t.Fatal(err)
}
msg := &transport.Message{
Body: []byte(`hello world`),
}
if err := c.Send(msg); err != nil {
t.Fatal(err)
}
var rcv transport.Message
if err := c.Recv(&rcv); err != nil {
t.Fatal(err)
}
if string(rcv.Body) != string(msg.Body) {
t.Fatalf("got %v, expected %v", rcv.Body, msg.Body)
}
// release the conn
p.Release(c, nil)
p.Lock()
if i := len(p.conns[l.Addr()]); i > size {
p.Unlock()
t.Fatalf("pool size %d is greater than expected %d", i, size)
}
p.Unlock()
}
}
func TestClientPool(t *testing.T) {
testPool(t, 0, time.Minute)
testPool(t, 2, time.Minute)
}

View File

@ -1,38 +0,0 @@
package pool
import (
"time"
"go.unistack.org/micro/v3/network/transport"
)
// Options struct
type Options struct {
Transport transport.Transport
TTL time.Duration
Size int
}
// Option func signature
type Option func(*Options)
// Size sets the size
func Size(i int) Option {
return func(o *Options) {
o.Size = i
}
}
// Transport sets the transport
func Transport(t transport.Transport) Option {
return func(o *Options) {
o.Transport = t
}
}
// TTL specifies ttl
func TTL(t time.Duration) Option {
return func(o *Options) {
o.TTL = t
}
}

View File

@ -1,38 +0,0 @@
// Package pool is a connection pool
package pool
import (
"context"
"time"
"go.unistack.org/micro/v3/network/transport"
)
// Pool is an interface for connection pooling
type Pool interface {
// Close the pool
Close() error
// Get a connection
Get(ctx context.Context, addr string, opts ...transport.DialOption) (Conn, error)
// Release the connection
Release(c Conn, status error) error
}
// Conn conn pool interface
type Conn interface {
// unique id of connection
ID() string
// time it was created
Created() time.Time
// embedded connection
transport.Client
}
// NewPool creates new connection pool
func NewPool(opts ...Option) Pool {
options := Options{}
for _, o := range opts {
o(&options)
}
return newPool(options)
}

View File

@ -23,7 +23,7 @@ func TestMarshalYAML(t *testing.T) {
func TestUnmarshalYAML(t *testing.T) { func TestUnmarshalYAML(t *testing.T) {
type str struct { type str struct {
TTL Duration `yaml:"ttl"` TTL *Duration `yaml:"ttl"`
} }
v := &str{} v := &str{}
var err error var err error
@ -31,14 +31,14 @@ func TestUnmarshalYAML(t *testing.T) {
err = yaml.Unmarshal([]byte(`{"ttl":"10ms"}`), v) err = yaml.Unmarshal([]byte(`{"ttl":"10ms"}`), v)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} else if v.TTL != 10000000 { } else if *(v.TTL) != 10000000 {
t.Fatalf("invalid duration %v != 10000000", v.TTL) t.Fatalf("invalid duration %v != 10000000", v.TTL)
} }
err = yaml.Unmarshal([]byte(`{"ttl":"1y"}`), v) err = yaml.Unmarshal([]byte(`{"ttl":"1y"}`), v)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} else if v.TTL != 31622400000000000 { } else if *(v.TTL) != 31622400000000000 {
t.Fatalf("invalid duration %v != 31622400000000000", v.TTL) t.Fatalf("invalid duration %v != 31622400000000000", v.TTL)
} }
} }