refactor: server should start the receive loop

main.go

@@ -60,8 +60,6 @@ func realMain() int {
 		return 1
 	}
 
-	go sarc.ReceiveLoop()
-
 	srv := server.New(sarc)
 
 	server := &http.Server{

receiver/client.go

@@ -110,15 +110,15 @@ func New(uri *url.URL) (*Client, error) {
 // ReceiveLoop is a blocking call and it loop over receiving messages over the
 // websocket and record them internally to be consumed by either Pop() or
 // Flush().
-func (c *Client) ReceiveLoop() {
+func (c *Client) ReceiveLoop() error {
 	log.Print("Starting the receive loop from Signal API")
 
 	for {
 		_, msg, err := c.ReadMessage()
 		if err != nil {
 			log.Printf("error returned by the websocket: %s", err)
 
-			return
+			return err
 		}
 
 		c.recordMessage(msg)

server/server.go

@@ -3,6 +3,7 @@ package server
 import (
 	"encoding/json"
 	"fmt"
+	"log"
 	"net/http"
 
 	"github.com/kalbasit/signal-api-receiver/receiver"
@@ -19,13 +20,25 @@ type Server struct {
 }
 
 type client interface {
+	ReceiveLoop() error
 	Pop() *receiver.Message
 	Flush() []receiver.Message
 }
 
 // New returns a new Server.
 func New(sarc client) *Server {
-	return &Server{sarc: sarc}
+	s := &Server{sarc: sarc}
+	go s.start()
+
+	return s
+}
+
+func (s *Server) start() {
+	for {
+		if err := s.sarc.ReceiveLoop(); err != nil {
+			log.Printf("Error in the receive loop: %v", err)
+		}
+	}
 }
 
 // ServeHTTP implements the http.Handler interface

server/server_test.go

@@ -19,6 +19,10 @@ type mockClient struct {
 	msgs []receiver.Message
 }
 
+func (mc *mockClient) ReceiveLoop() error {
+	return nil
+}
+
 func (mc *mockClient) Pop() *receiver.Message {
 	if len(mc.msgs) == 0 {
 		return nil