update

server/socket.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"log"
+	"net"
+	"os"
+)
+
+func removeSocket(s string) {
+	if _, err := os.Stat(s); err == nil {
+		os.Remove(s)
+	}
+}
+
+func startSocket() {
+	const SOCK = "/tmp/echo.sock"
+	removeSocket(SOCK)
+	listener, err := net.Listen("unix", SOCK)
+	if err != nil {
+		log.Fatal("Listen (echo socket): ", err)
+	}
+	defer listener.Close()
+	for {
+		conn, err := listener.Accept()
+		if err != nil {
+			log.Fatal("accept error:", err)
+		}
+		go socketHandler(conn)
+	}
+}
+
+func socketHandler(conn net.Conn) {
+	defer conn.Close()
+	buf := make([]byte, 512)
+	for {
+		n, err := conn.Read(buf)
+		if err != nil {
+			return
+		}
+		ws.Send <- wsMessage{Message: buf[0:n], Decode: true}
+	}
+}