a geicko-2 based round robin ranking system designed to test c++ battleship submissions
battleship.dunkirk.sh
chore: add the cmd
+179
-1
+1
-1
.gitignore
+1
-1
.gitignore
+178
cmd/battleship-arena/main.go
+178
cmd/battleship-arena/main.go
···
1
+
package main
2
+
3
+
import (
4
+
"context"
5
+
"errors"
6
+
"log"
7
+
"net/http"
8
+
"os"
9
+
"os/signal"
10
+
"syscall"
11
+
"time"
12
+
13
+
tea "github.com/charmbracelet/bubbletea"
14
+
"github.com/charmbracelet/lipgloss"
15
+
"github.com/charmbracelet/ssh"
16
+
"github.com/charmbracelet/wish"
17
+
"github.com/charmbracelet/wish/bubbletea"
18
+
"github.com/charmbracelet/wish/logging"
19
+
"github.com/charmbracelet/wish/scp"
20
+
"github.com/go-chi/chi/v5"
21
+
"github.com/go-chi/chi/v5/middleware"
22
+
23
+
"battleship-arena/internal/runner"
24
+
"battleship-arena/internal/server"
25
+
"battleship-arena/internal/storage"
26
+
"battleship-arena/internal/tui"
27
+
)
28
+
29
+
type Config struct {
30
+
Host string
31
+
SSHPort string
32
+
WebPort string
33
+
UploadDir string
34
+
ResultsDB string
35
+
AdminPasscode string
36
+
ExternalURL string
37
+
}
38
+
39
+
func loadConfig() Config {
40
+
cfg := Config{
41
+
Host: getEnv("BATTLESHIP_HOST", "0.0.0.0"),
42
+
SSHPort: getEnv("BATTLESHIP_SSH_PORT", "2222"),
43
+
WebPort: getEnv("BATTLESHIP_WEB_PORT", "8081"),
44
+
UploadDir: getEnv("BATTLESHIP_UPLOAD_DIR", "./submissions"),
45
+
ResultsDB: getEnv("BATTLESHIP_RESULTS_DB", "./results.db"),
46
+
AdminPasscode: getEnv("BATTLESHIP_ADMIN_PASSCODE", "battleship-admin-override"),
47
+
ExternalURL: getEnv("BATTLESHIP_EXTERNAL_URL", "http://localhost:8081"),
48
+
}
49
+
return cfg
50
+
}
51
+
52
+
func getEnv(key, defaultValue string) string {
53
+
if value := os.Getenv(key); value != "" {
54
+
return value
55
+
}
56
+
return defaultValue
57
+
}
58
+
59
+
func main() {
60
+
cfg := loadConfig()
61
+
62
+
if err := initStorage(cfg); err != nil {
63
+
log.Fatal(err)
64
+
}
65
+
66
+
server.InitSSE()
67
+
server.SetConfig(cfg.AdminPasscode, cfg.ExternalURL)
68
+
69
+
workerCtx, workerCancel := context.WithCancel(context.Background())
70
+
defer workerCancel()
71
+
go runner.StartWorker(workerCtx, cfg.UploadDir, server.BroadcastProgress, server.NotifyLeaderboardUpdate, server.BroadcastProgressComplete)
72
+
73
+
toClient, fromClient := server.NewSCPHandlers(cfg.UploadDir)
74
+
sshServer, err := wish.NewServer(
75
+
wish.WithAddress(cfg.Host + ":" + cfg.SSHPort),
76
+
wish.WithHostKeyPath(".ssh/battleship_arena"),
77
+
wish.WithPublicKeyAuth(server.PublicKeyAuthHandler),
78
+
wish.WithPasswordAuth(server.PasswordAuthHandler),
79
+
wish.WithSubsystem("sftp", server.SFTPHandler(cfg.UploadDir)),
80
+
wish.WithMiddleware(
81
+
scp.Middleware(toClient, fromClient),
82
+
bubbletea.Middleware(teaHandler),
83
+
logging.Middleware(),
84
+
),
85
+
)
86
+
if err != nil {
87
+
log.Fatal(err)
88
+
}
89
+
90
+
done := make(chan os.Signal, 1)
91
+
signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
92
+
93
+
log.Printf("SSH server listening on %s:%s", cfg.Host, cfg.SSHPort)
94
+
log.Printf("Web leaderboard at %s", cfg.ExternalURL)
95
+
96
+
go func() {
97
+
if err := sshServer.ListenAndServe(); err != nil && !errors.Is(err, ssh.ErrServerClosed) {
98
+
log.Fatal(err)
99
+
}
100
+
}()
101
+
102
+
go func() {
103
+
<-done
104
+
log.Println("Shutting down servers...")
105
+
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
106
+
defer cancel()
107
+
if err := sshServer.Shutdown(ctx); err != nil && !errors.Is(err, ssh.ErrServerClosed) {
108
+
log.Fatal(err)
109
+
}
110
+
os.Exit(0)
111
+
}()
112
+
113
+
r := chi.NewRouter()
114
+
r.Use(middleware.Logger)
115
+
r.Use(middleware.Recoverer)
116
+
r.Mount("/events/", server.SSEServer)
117
+
r.Get("/api/leaderboard", server.HandleAPILeaderboard)
118
+
r.Get("/api/rating-history/{player}", server.HandleRatingHistory)
119
+
r.Get("/player/{player}", server.HandlePlayerPage)
120
+
r.Get("/user/{username}", server.HandleUserProfile)
121
+
r.Get("/users", server.HandleUsers)
122
+
r.Get("/", server.HandleLeaderboard)
123
+
124
+
log.Println("Server running at " + cfg.ExternalURL)
125
+
http.ListenAndServe(":"+cfg.WebPort, r)
126
+
}
127
+
128
+
func teaHandler(s ssh.Session) (tea.Model, []tea.ProgramOption) {
129
+
if len(s.Command()) > 0 {
130
+
return nil, nil
131
+
}
132
+
133
+
// Check if user needs onboarding
134
+
needsOnboarding := false
135
+
if val := s.Context().Value("needs_onboarding"); val != nil {
136
+
needsOnboarding = val.(bool)
137
+
}
138
+
139
+
pty, _, active := s.Pty()
140
+
if !active {
141
+
wish.Fatalln(s, "no active terminal")
142
+
return nil, nil
143
+
}
144
+
145
+
if needsOnboarding {
146
+
// Run onboarding first
147
+
publicKey := ""
148
+
if val := s.Context().Value("public_key"); val != nil {
149
+
publicKey = val.(string)
150
+
}
151
+
152
+
m := tui.NewOnboardingModel(s.User(), publicKey, pty.Window.Width, pty.Window.Height)
153
+
return m, []tea.ProgramOption{tea.WithAltScreen()}
154
+
}
155
+
156
+
m := tui.InitialModel(s.User(), pty.Window.Width, pty.Window.Height)
157
+
return m, []tea.ProgramOption{tea.WithAltScreen()}
158
+
}
159
+
160
+
func initStorage(cfg Config) error {
161
+
if err := os.MkdirAll(cfg.UploadDir, 0755); err != nil {
162
+
return err
163
+
}
164
+
165
+
db, err := storage.InitDB(cfg.ResultsDB)
166
+
if err != nil {
167
+
return err
168
+
}
169
+
storage.DB = db
170
+
171
+
return nil
172
+
}
173
+
174
+
var titleStyle = lipgloss.NewStyle().
175
+
Bold(true).
176
+
Foreground(lipgloss.Color("205")).
177
+
MarginTop(1).
178
+
MarginBottom(1)