/
server.go
69 lines (52 loc) · 1.43 KB
/
server.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
package main
import (
"log"
"net/http"
"github.com/gorilla/websocket"
)
var upgrader = websocket.Upgrader{}
type Message struct {
Action string `json:"action"`
Data string `json:"data"`
}
var clients = make(map[*websocket.Conn]bool)
func startServer() {
// Create simple file serverinfo info wa to serve static files
fs := http.FileServer(http.Dir("public"))
http.Handle("/", fs)
// Setup handler for the websocket
http.HandleFunc("/ws", websocketHandler)
log.Printf("StartingServer server on port 8000\n")
err := http.ListenAndServe(":8000", nil)
if err != nil {
log.Fatalf("ListenAndServe: %v", err)
}
}
func websocketHandler(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Fatalf("[websocketHandler] Failed to upgrade connection (%s)\n", err)
}
defer conn.Close()
// Once the user gets here, that means we have a new connection
// Add client to the clients slice
clients[conn] = true
log.Printf("New user connected\n")
// Send register request to client
sendRegisterRequest(conn)
var msg Message
// Connection loop
for {
// Incoming JSON from the client
err := conn.ReadJSON(&msg)
// If we cannot read the message anymore that means that the user is disconnected
if err != nil {
// Handle disconnect login in game
g.Disconnect(conn)
// Remove connection from clients
delete(clients, conn)
break
}
handleEvent(conn, msg)
}
}