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Code Issues Releases Activity

mv balancer

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This commit is contained in:
longXboy 2021-05-27 15:04:32 +08:00
parent a24bcdff45
commit cc0214d78b
3 changed files with 9 additions and 9 deletions
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2
internal/balancer/balancer.go → transport/http/balancer/balancer.go
View File

@ -14,5 +14,5 @@ type DoneInfo struct {
// Balancer is node pick balancer
type Balancer interface {
Pick(ctx context.Context, pathPattern string, nodes []*registry.ServiceInstance) (node *registry.ServiceInstance, done func(DoneInfo), err error)
Pick(ctx context.Context, pathPattern string, nodes []*registry.ServiceInstance) (node *registry.ServiceInstance, done func(context.Context, DoneInfo), err error)
}

8
internal/balancer/random/random.go → transport/http/balancer/random/random.go
View File

@ -5,8 +5,8 @@ import (
"fmt"
"math/rand"
"github.com/go-kratos/kratos/v2/internal/balancer"
"github.com/go-kratos/kratos/v2/registry"
"github.com/go-kratos/kratos/v2/transport/http/balancer"
)
var _ balancer.Balancer = &Balancer{}
@ -18,12 +18,12 @@ func New() *Balancer {
return &Balancer{}
}
func (b *Balancer) Pick(ctx context.Context, pathPattern string, nodes []*registry.ServiceInstance) (node *registry.ServiceInstance, done func(balancer.DoneInfo), err error) {
func (b *Balancer) Pick(ctx context.Context, pathPattern string, nodes []*registry.ServiceInstance) (node *registry.ServiceInstance, done func(context.Context, balancer.DoneInfo), err error) {
if len(nodes) == 0 {
return nil, nil, fmt.Errorf("no instances avaiable")
} else if len(nodes) == 1 {
return nodes[0], func(di balancer.DoneInfo) {}, nil
return nodes[0], func(context.Context, balancer.DoneInfo) {}, nil
}
idx := rand.Intn(len(nodes))
return nodes[idx], func(di balancer.DoneInfo) {}, nil
return nodes[idx], func(context.Context, balancer.DoneInfo) {}, nil
}

8
transport/http/client.go
View File

@ -12,12 +12,12 @@ import (
"github.com/go-kratos/kratos/v2/encoding"
"github.com/go-kratos/kratos/v2/errors"
"github.com/go-kratos/kratos/v2/internal/balancer"
"github.com/go-kratos/kratos/v2/internal/balancer/random"
"github.com/go-kratos/kratos/v2/internal/httputil"
"github.com/go-kratos/kratos/v2/middleware"
"github.com/go-kratos/kratos/v2/registry"
"github.com/go-kratos/kratos/v2/transport"
"github.com/go-kratos/kratos/v2/transport/http/balancer"
"github.com/go-kratos/kratos/v2/transport/http/balancer/random"
)
// Client is http client
@ -255,7 +255,7 @@ func (client *Client) Invoke(ctx context.Context, path string, args interface{},
func (client *Client) invoke(ctx context.Context, req *http.Request, args interface{}, reply interface{}, c callInfo) error {
h := func(ctx context.Context, in interface{}) (interface{}, error) {
var done func(balancer.DoneInfo)
var done func(context.Context, balancer.DoneInfo)
if client.r != nil {
nodes := client.r.fetch(ctx)
if len(nodes) == 0 {
@ -276,7 +276,7 @@ func (client *Client) invoke(ctx context.Context, req *http.Request, args interf
}
res, err := client.do(ctx, req, c)
if done != nil {
done(balancer.DoneInfo{Err: err})
done(ctx, balancer.DoneInfo{Err: err})
}
if err != nil {
return nil, err