Setup subscription wrappers

examples/client/pub/pub.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/micro/go-micro/client"
+	"github.com/micro/go-micro/cmd"
+	c "github.com/micro/go-micro/context"
+	example "github.com/micro/go-micro/examples/server/proto/example"
+	"golang.org/x/net/context"
+)
+
+// publishes a message
+func pub(i int) {
+	msg := client.NewPublication("topic.go.micro.srv.example", &example.Message{
+		Say: fmt.Sprintf("This is a publication %d", i),
+	})
+
+	// create context with metadata
+	ctx := c.WithMetadata(context.Background(), map[string]string{
+		"X-User-Id": "john",
+		"X-From-Id": "script",
+	})
+
+	// publish message
+	if err := client.Publish(ctx, msg); err != nil {
+		fmt.Println("pub err: ", err)
+		return
+	}
+
+	fmt.Printf("Published %d: %v\n", i, msg)
+}
+
+func main() {
+	cmd.Init()
+	fmt.Println("\n--- Publisher example ---\n")
+	//	for i := 0; i < 10; i++ {
+	i := 0
+	for {
+		pub(i)
+		i++
+		time.Sleep(time.Millisecond * 5)
+	}
+}