|
@@ -0,0 +1,69 @@
|
|
|
+package main
|
|
|
+
|
|
|
+import (
|
|
|
+ "flag"
|
|
|
+ "fmt"
|
|
|
+ "log"
|
|
|
+ "net/url"
|
|
|
+ "os"
|
|
|
+ "os/signal"
|
|
|
+ "time"
|
|
|
+
|
|
|
+ "github.com/gorilla/websocket"
|
|
|
+)
|
|
|
+
|
|
|
+func main() {
|
|
|
+ addr := flag.String("addr", "localhost:9080", "http service address")
|
|
|
+ flag.Parse()
|
|
|
+ fmt.Println("vim-go")
|
|
|
+ u := url.URL{Scheme: "ws", Host: *addr, Path: "/ws"}
|
|
|
+ log.Printf("connecting to %s", u.String())
|
|
|
+
|
|
|
+ interrupt := make(chan os.Signal, 1)
|
|
|
+ signal.Notify(interrupt, os.Interrupt)
|
|
|
+
|
|
|
+ c, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
|
|
|
+ if err != nil {
|
|
|
+ log.Fatal("dial:", err)
|
|
|
+ }
|
|
|
+ defer c.Close()
|
|
|
+
|
|
|
+ done := make(chan struct{})
|
|
|
+
|
|
|
+ go func() {
|
|
|
+ defer close(done)
|
|
|
+ for {
|
|
|
+ _, message, err := c.ReadMessage()
|
|
|
+ if err != nil {
|
|
|
+ log.Println("close:", err)
|
|
|
+ return
|
|
|
+ }
|
|
|
+ fmt.Println(string(message))
|
|
|
+ }
|
|
|
+ }()
|
|
|
+
|
|
|
+ for {
|
|
|
+ select {
|
|
|
+ case <-done:
|
|
|
+ return
|
|
|
+ case <-interrupt:
|
|
|
+ log.Println("interrupt")
|
|
|
+
|
|
|
+ // Cleanly close the connection by sending a close message and then waiting (with timeout) for the
|
|
|
+ // server to close the connection.
|
|
|
+ err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
|
|
|
+ if err != nil {
|
|
|
+ log.Println("write close:", err)
|
|
|
+ return
|
|
|
+ }
|
|
|
+ select {
|
|
|
+ case <-done:
|
|
|
+ log.Println("Successfully close")
|
|
|
+ case <-time.After(1 * time.Second):
|
|
|
+ log.Println("Forced close")
|
|
|
+ }
|
|
|
+ return
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+}
|