Initial Golang version

internal/rest_server/rest_server.go

@@ -0,0 +1,39 @@
+package rest_server
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"strconv"
+
+	"github.com/dustinpianalto/snowflake/internal/generator"
+)
+
+const (
+	REST_PORT = ":50052"
+)
+
+type snowflake struct {
+	Id    uint64 `json:"id"`
+	IdStr string `json:"id_str"`
+}
+
+func getSnowflake(w http.ResponseWriter, r *http.Request) {
+	outputChan := make(chan uint64, 1)
+	defer close(outputChan)
+
+	generator.Generator.RequestChan <- outputChan
+	id := <-outputChan
+	s := snowflake{
+		Id:    id,
+		IdStr: strconv.FormatUint(id, 10),
+	}
+	json.NewEncoder(w).Encode(s)
+}
+
+func RunRESTServer() {
+	http.HandleFunc("/snowflake", getSnowflake)
+
+	log.Printf("REST Server Listening on 0.0.0.0%s", REST_PORT)
+	log.Fatal(http.ListenAndServe(REST_PORT, nil))
+}