48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
package micro
|
|
|
|
import (
|
|
"github.com/micro/go-micro/client"
|
|
"github.com/micro/go-micro/metadata"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
type clientWrapper struct {
|
|
client.Client
|
|
headers metadata.Metadata
|
|
}
|
|
|
|
func (c *clientWrapper) setHeaders(ctx context.Context) context.Context {
|
|
md := make(metadata.Metadata)
|
|
|
|
if mda, ok := metadata.FromContext(ctx); ok {
|
|
// make copy of metadata
|
|
for k, v := range mda {
|
|
md[k] = v
|
|
}
|
|
}
|
|
|
|
for k, v := range c.headers {
|
|
if _, ok := md[k]; !ok {
|
|
md[k] = v
|
|
}
|
|
}
|
|
|
|
return metadata.NewContext(ctx, md)
|
|
}
|
|
|
|
func (c *clientWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
|
|
ctx = c.setHeaders(ctx)
|
|
return c.Client.Call(ctx, req, rsp, opts...)
|
|
}
|
|
|
|
func (c *clientWrapper) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Streamer, error) {
|
|
ctx = c.setHeaders(ctx)
|
|
return c.Client.Stream(ctx, req, opts...)
|
|
}
|
|
|
|
func (c *clientWrapper) Publish(ctx context.Context, p client.Publication, opts ...client.PublishOption) error {
|
|
ctx = c.setHeaders(ctx)
|
|
return c.Client.Publish(ctx, p, opts...)
|
|
}
|