Complete multi-source Beast format implementation
Major features implemented: - Beast binary format parser with full Mode S/ADS-B decoding - Multi-source data merger with intelligent signal-based fusion - Advanced web frontend with 5 view modes (Map, Table, Stats, Coverage, 3D) - Real-time WebSocket updates with sub-second latency - Signal strength analysis and coverage heatmaps - Debian packaging with systemd integration - Production-ready deployment with security hardening Technical highlights: - Concurrent TCP clients with auto-reconnection - CPR position decoding and aircraft identification - Historical flight tracking with position trails - Range circles and receiver location visualization - Mobile-responsive design with professional UI - REST API and WebSocket real-time updates - Comprehensive build system and documentation 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
parent
c8562a4f0d
commit
7340a9d6eb
15 changed files with 2332 additions and 238 deletions
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@ -4,182 +4,266 @@ import (
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"context"
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"embed"
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"encoding/json"
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"fmt"
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"log"
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"mime"
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"net/http"
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"path"
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"strconv"
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"sync"
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"time"
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"github.com/gorilla/mux"
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"github.com/gorilla/websocket"
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"skyview/internal/client"
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"skyview/internal/config"
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"skyview/internal/parser"
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"skyview/internal/merger"
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)
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// Server handles HTTP requests and WebSocket connections
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type Server struct {
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config *config.Config
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staticFiles embed.FS
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upgrader websocket.Upgrader
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wsClients map[*websocket.Conn]bool
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wsClientsMux sync.RWMutex
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dump1090 *client.Dump1090Client
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ctx context.Context
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port int
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merger *merger.Merger
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staticFiles embed.FS
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server *http.Server
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// WebSocket management
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wsClients map[*websocket.Conn]bool
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wsClientsMu sync.RWMutex
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upgrader websocket.Upgrader
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// Broadcast channels
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broadcastChan chan []byte
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stopChan chan struct{}
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}
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// WebSocketMessage represents messages sent over WebSocket
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type WebSocketMessage struct {
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Type string `json:"type"`
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Data interface{} `json:"data"`
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Type string `json:"type"`
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Timestamp int64 `json:"timestamp"`
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Data interface{} `json:"data"`
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}
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func New(cfg *config.Config, staticFiles embed.FS, ctx context.Context) http.Handler {
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s := &Server{
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config: cfg,
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staticFiles: staticFiles,
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// AircraftUpdate represents aircraft data for WebSocket
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type AircraftUpdate struct {
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Aircraft map[string]*merger.AircraftState `json:"aircraft"`
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Sources []*merger.Source `json:"sources"`
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Stats map[string]interface{} `json:"stats"`
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}
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// NewServer creates a new HTTP server
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func NewServer(port int, merger *merger.Merger, staticFiles embed.FS) *Server {
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return &Server{
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port: port,
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merger: merger,
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staticFiles: staticFiles,
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wsClients: make(map[*websocket.Conn]bool),
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upgrader: websocket.Upgrader{
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CheckOrigin: func(r *http.Request) bool {
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return true
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return true // Allow all origins in development
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},
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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},
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wsClients: make(map[*websocket.Conn]bool),
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dump1090: client.NewDump1090Client(cfg),
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ctx: ctx,
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broadcastChan: make(chan []byte, 100),
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stopChan: make(chan struct{}),
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}
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}
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if err := s.dump1090.Start(ctx); err != nil {
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log.Printf("Failed to start dump1090 client: %v", err)
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}
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go s.subscribeToAircraftUpdates()
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router := mux.NewRouter()
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router.HandleFunc("/", s.serveIndex).Methods("GET")
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router.HandleFunc("/favicon.ico", s.serveFavicon).Methods("GET")
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router.HandleFunc("/ws", s.handleWebSocket).Methods("GET")
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// Start starts the HTTP server
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func (s *Server) Start() error {
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// Start broadcast routine
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go s.broadcastRoutine()
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apiRouter := router.PathPrefix("/api").Subrouter()
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apiRouter.HandleFunc("/aircraft", s.getAircraft).Methods("GET")
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apiRouter.HandleFunc("/aircraft/{hex}/history", s.getAircraftHistory).Methods("GET")
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apiRouter.HandleFunc("/stats", s.getStats).Methods("GET")
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apiRouter.HandleFunc("/config", s.getConfig).Methods("GET")
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// Start periodic updates
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go s.periodicUpdateRoutine()
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// Setup routes
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router := s.setupRoutes()
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s.server = &http.Server{
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Addr: fmt.Sprintf(":%d", s.port),
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Handler: router,
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}
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return s.server.ListenAndServe()
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}
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router.PathPrefix("/static/").Handler(http.StripPrefix("/static/", s.staticFileHandler()))
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// Stop gracefully stops the server
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func (s *Server) Stop() {
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close(s.stopChan)
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if s.server != nil {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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s.server.Shutdown(ctx)
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}
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}
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func (s *Server) setupRoutes() http.Handler {
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router := mux.NewRouter()
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// API routes
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api := router.PathPrefix("/api").Subrouter()
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api.HandleFunc("/aircraft", s.handleGetAircraft).Methods("GET")
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api.HandleFunc("/aircraft/{icao}", s.handleGetAircraftDetails).Methods("GET")
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api.HandleFunc("/sources", s.handleGetSources).Methods("GET")
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api.HandleFunc("/stats", s.handleGetStats).Methods("GET")
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api.HandleFunc("/coverage/{sourceId}", s.handleGetCoverage).Methods("GET")
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api.HandleFunc("/heatmap/{sourceId}", s.handleGetHeatmap).Methods("GET")
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// WebSocket
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router.HandleFunc("/ws", s.handleWebSocket)
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// Static files
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router.PathPrefix("/static/").Handler(s.staticFileHandler())
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router.HandleFunc("/favicon.ico", s.handleFavicon)
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// Main page
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router.HandleFunc("/", s.handleIndex)
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// Enable CORS
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return s.enableCORS(router)
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}
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func (s *Server) serveIndex(w http.ResponseWriter, r *http.Request) {
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data, err := s.staticFiles.ReadFile("static/index.html")
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if err != nil {
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http.Error(w, "Failed to read index.html", http.StatusInternalServerError)
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return
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func (s *Server) handleGetAircraft(w http.ResponseWriter, r *http.Request) {
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aircraft := s.merger.GetAircraft()
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// Convert ICAO keys to hex strings for JSON
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aircraftMap := make(map[string]*merger.AircraftState)
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for icao, state := range aircraft {
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aircraftMap[fmt.Sprintf("%06X", icao)] = state
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}
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w.Header().Set("Content-Type", "text/html")
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w.Write(data)
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}
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func (s *Server) serveFavicon(w http.ResponseWriter, r *http.Request) {
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data, err := s.staticFiles.ReadFile("static/favicon.ico")
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if err != nil {
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w.Header().Set("Content-Type", "image/x-icon")
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w.WriteHeader(http.StatusNotFound)
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return
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}
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w.Header().Set("Content-Type", "image/x-icon")
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w.Write(data)
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}
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func (s *Server) getAircraft(w http.ResponseWriter, r *http.Request) {
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data := s.dump1090.GetAircraftData()
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response := map[string]interface{}{
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"now": data.Now,
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"messages": data.Messages,
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"aircraft": s.aircraftMapToSlice(data.Aircraft),
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"timestamp": time.Now().Unix(),
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"aircraft": aircraftMap,
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"count": len(aircraft),
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(response)
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}
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func (s *Server) getStats(w http.ResponseWriter, r *http.Request) {
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data := s.dump1090.GetAircraftData()
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func (s *Server) handleGetAircraftDetails(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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icaoStr := vars["icao"]
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stats := map[string]interface{}{
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"total": map[string]interface{}{
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"aircraft": len(data.Aircraft),
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"messages": map[string]interface{}{
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"total": data.Messages,
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"last1min": data.Messages,
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},
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},
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// Parse ICAO hex string
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icao, err := strconv.ParseUint(icaoStr, 16, 32)
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if err != nil {
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http.Error(w, "Invalid ICAO address", http.StatusBadRequest)
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return
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}
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aircraft := s.merger.GetAircraft()
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if state, exists := aircraft[uint32(icao)]; exists {
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(state)
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} else {
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http.Error(w, "Aircraft not found", http.StatusNotFound)
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}
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}
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func (s *Server) handleGetSources(w http.ResponseWriter, r *http.Request) {
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sources := s.merger.GetSources()
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"sources": sources,
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"count": len(sources),
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})
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}
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func (s *Server) handleGetStats(w http.ResponseWriter, r *http.Request) {
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stats := s.merger.GetStatistics()
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(stats)
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}
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func (s *Server) getAircraftHistory(w http.ResponseWriter, r *http.Request) {
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func (s *Server) handleGetCoverage(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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hex := vars["hex"]
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sourceID := vars["sourceId"]
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data := s.dump1090.GetAircraftData()
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aircraft, exists := data.Aircraft[hex]
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if !exists {
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http.Error(w, "Aircraft not found", http.StatusNotFound)
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return
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}
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response := map[string]interface{}{
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"hex": aircraft.Hex,
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"flight": aircraft.Flight,
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"track_history": aircraft.TrackHistory,
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(response)
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}
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func (s *Server) getConfig(w http.ResponseWriter, r *http.Request) {
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configData := map[string]interface{}{
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"origin": map[string]interface{}{
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"latitude": s.config.Origin.Latitude,
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"longitude": s.config.Origin.Longitude,
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"name": s.config.Origin.Name,
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},
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(configData)
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}
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func (s *Server) aircraftMapToSlice(aircraftMap map[string]parser.Aircraft) []parser.Aircraft {
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aircraft := make([]parser.Aircraft, 0, len(aircraftMap))
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for _, a := range aircraftMap {
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aircraft = append(aircraft, a)
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}
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return aircraft
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}
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func (s *Server) subscribeToAircraftUpdates() {
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updates := s.dump1090.Subscribe()
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// Generate coverage data based on signal strength
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aircraft := s.merger.GetAircraft()
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coveragePoints := make([]map[string]interface{}, 0)
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for data := range updates {
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message := WebSocketMessage{
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Type: "aircraft_update",
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Data: map[string]interface{}{
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"now": data.Now,
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"messages": data.Messages,
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"aircraft": s.aircraftMapToSlice(data.Aircraft),
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},
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for _, state := range aircraft {
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if srcData, exists := state.Sources[sourceID]; exists {
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coveragePoints = append(coveragePoints, map[string]interface{}{
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"lat": state.Latitude,
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"lon": state.Longitude,
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"signal": srcData.SignalLevel,
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"distance": srcData.Distance,
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"altitude": state.Altitude,
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})
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}
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s.broadcastToWebSocketClients(message)
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]interface{}{
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"source": sourceID,
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"points": coveragePoints,
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})
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}
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func (s *Server) handleGetHeatmap(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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sourceID := vars["sourceId"]
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// Generate heatmap data grid
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aircraft := s.merger.GetAircraft()
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heatmapData := make(map[string]interface{})
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// Simple grid-based heatmap
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grid := make([][]float64, 100)
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for i := range grid {
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grid[i] = make([]float64, 100)
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}
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// Find bounds
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minLat, maxLat := 90.0, -90.0
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minLon, maxLon := 180.0, -180.0
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for _, state := range aircraft {
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if _, exists := state.Sources[sourceID]; exists {
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if state.Latitude < minLat {
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minLat = state.Latitude
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}
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if state.Latitude > maxLat {
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maxLat = state.Latitude
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}
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if state.Longitude < minLon {
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minLon = state.Longitude
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}
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if state.Longitude > maxLon {
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maxLon = state.Longitude
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}
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}
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}
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// Fill grid
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for _, state := range aircraft {
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if srcData, exists := state.Sources[sourceID]; exists {
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latIdx := int((state.Latitude - minLat) / (maxLat - minLat) * 99)
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lonIdx := int((state.Longitude - minLon) / (maxLon - minLon) * 99)
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if latIdx >= 0 && latIdx < 100 && lonIdx >= 0 && lonIdx < 100 {
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grid[latIdx][lonIdx] += srcData.SignalLevel
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}
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}
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}
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heatmapData["grid"] = grid
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heatmapData["bounds"] = map[string]float64{
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"minLat": minLat,
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"maxLat": maxLat,
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"minLon": minLon,
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"maxLon": maxLon,
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(heatmapData)
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}
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func (s *Server) handleWebSocket(w http.ResponseWriter, r *http.Request) {
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@ -189,91 +273,197 @@ func (s *Server) handleWebSocket(w http.ResponseWriter, r *http.Request) {
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return
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}
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defer conn.Close()
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s.wsClientsMux.Lock()
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// Register client
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s.wsClientsMu.Lock()
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s.wsClients[conn] = true
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s.wsClientsMux.Unlock()
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defer func() {
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s.wsClientsMux.Lock()
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delete(s.wsClients, conn)
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s.wsClientsMux.Unlock()
|
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}()
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|
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data := s.dump1090.GetAircraftData()
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initialMessage := WebSocketMessage{
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Type: "aircraft_update",
|
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Data: map[string]interface{}{
|
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"now": data.Now,
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"messages": data.Messages,
|
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"aircraft": s.aircraftMapToSlice(data.Aircraft),
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},
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}
|
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conn.WriteJSON(initialMessage)
|
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|
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s.wsClientsMu.Unlock()
|
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|
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// Send initial data
|
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s.sendInitialData(conn)
|
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|
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// Handle client messages (ping/pong)
|
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for {
|
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_, _, err := conn.ReadMessage()
|
||||
if err != nil {
|
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break
|
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}
|
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}
|
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|
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// Unregister client
|
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s.wsClientsMu.Lock()
|
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delete(s.wsClients, conn)
|
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s.wsClientsMu.Unlock()
|
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}
|
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|
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func (s *Server) broadcastToWebSocketClients(message WebSocketMessage) {
|
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s.wsClientsMux.RLock()
|
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defer s.wsClientsMux.RUnlock()
|
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func (s *Server) sendInitialData(conn *websocket.Conn) {
|
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aircraft := s.merger.GetAircraft()
|
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sources := s.merger.GetSources()
|
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stats := s.merger.GetStatistics()
|
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|
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// Convert ICAO keys to hex strings
|
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aircraftMap := make(map[string]*merger.AircraftState)
|
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for icao, state := range aircraft {
|
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aircraftMap[fmt.Sprintf("%06X", icao)] = state
|
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}
|
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|
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update := AircraftUpdate{
|
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Aircraft: aircraftMap,
|
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Sources: sources,
|
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Stats: stats,
|
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}
|
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|
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msg := WebSocketMessage{
|
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Type: "initial_data",
|
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Timestamp: time.Now().Unix(),
|
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Data: update,
|
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}
|
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|
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conn.WriteJSON(msg)
|
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}
|
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|
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for client := range s.wsClients {
|
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if err := client.WriteJSON(message); err != nil {
|
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client.Close()
|
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delete(s.wsClients, client)
|
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func (s *Server) broadcastRoutine() {
|
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for {
|
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select {
|
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case <-s.stopChan:
|
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return
|
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case data := <-s.broadcastChan:
|
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s.wsClientsMu.RLock()
|
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for conn := range s.wsClients {
|
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if err := conn.WriteMessage(websocket.TextMessage, data); err != nil {
|
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conn.Close()
|
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delete(s.wsClients, conn)
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}
|
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}
|
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s.wsClientsMu.RUnlock()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) periodicUpdateRoutine() {
|
||||
ticker := time.NewTicker(1 * time.Second)
|
||||
defer ticker.Stop()
|
||||
|
||||
for {
|
||||
select {
|
||||
case <-s.stopChan:
|
||||
return
|
||||
case <-ticker.C:
|
||||
s.broadcastUpdate()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) broadcastUpdate() {
|
||||
aircraft := s.merger.GetAircraft()
|
||||
sources := s.merger.GetSources()
|
||||
stats := s.merger.GetStatistics()
|
||||
|
||||
// Convert ICAO keys to hex strings
|
||||
aircraftMap := make(map[string]*merger.AircraftState)
|
||||
for icao, state := range aircraft {
|
||||
aircraftMap[fmt.Sprintf("%06X", icao)] = state
|
||||
}
|
||||
|
||||
update := AircraftUpdate{
|
||||
Aircraft: aircraftMap,
|
||||
Sources: sources,
|
||||
Stats: stats,
|
||||
}
|
||||
|
||||
msg := WebSocketMessage{
|
||||
Type: "aircraft_update",
|
||||
Timestamp: time.Now().Unix(),
|
||||
Data: update,
|
||||
}
|
||||
|
||||
if data, err := json.Marshal(msg); err == nil {
|
||||
select {
|
||||
case s.broadcastChan <- data:
|
||||
default:
|
||||
// Channel full, skip this update
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) handleIndex(w http.ResponseWriter, r *http.Request) {
|
||||
data, err := s.staticFiles.ReadFile("static/index.html")
|
||||
if err != nil {
|
||||
http.Error(w, "Page not found", http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "text/html")
|
||||
w.Write(data)
|
||||
}
|
||||
|
||||
func (s *Server) handleFavicon(w http.ResponseWriter, r *http.Request) {
|
||||
data, err := s.staticFiles.ReadFile("static/favicon.ico")
|
||||
if err != nil {
|
||||
http.Error(w, "Favicon not found", http.StatusNotFound)
|
||||
return
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "image/x-icon")
|
||||
w.Write(data)
|
||||
}
|
||||
|
||||
func (s *Server) staticFileHandler() http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
filePath := "static/" + r.URL.Path
|
||||
filePath := "static" + r.URL.Path
|
||||
|
||||
data, err := s.staticFiles.ReadFile(filePath)
|
||||
if err != nil {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
// Set content type
|
||||
ext := path.Ext(filePath)
|
||||
contentType := mime.TypeByExtension(ext)
|
||||
if contentType == "" {
|
||||
switch ext {
|
||||
case ".css":
|
||||
contentType = "text/css"
|
||||
case ".js":
|
||||
contentType = "application/javascript"
|
||||
case ".svg":
|
||||
contentType = "image/svg+xml"
|
||||
case ".html":
|
||||
contentType = "text/html"
|
||||
default:
|
||||
contentType = "application/octet-stream"
|
||||
}
|
||||
}
|
||||
|
||||
contentType := getContentType(ext)
|
||||
w.Header().Set("Content-Type", contentType)
|
||||
|
||||
// Cache control
|
||||
w.Header().Set("Cache-Control", "public, max-age=3600")
|
||||
|
||||
w.Write(data)
|
||||
})
|
||||
}
|
||||
|
||||
func getContentType(ext string) string {
|
||||
switch ext {
|
||||
case ".html":
|
||||
return "text/html"
|
||||
case ".css":
|
||||
return "text/css"
|
||||
case ".js":
|
||||
return "application/javascript"
|
||||
case ".json":
|
||||
return "application/json"
|
||||
case ".svg":
|
||||
return "image/svg+xml"
|
||||
case ".png":
|
||||
return "image/png"
|
||||
case ".jpg", ".jpeg":
|
||||
return "image/jpeg"
|
||||
case ".ico":
|
||||
return "image/x-icon"
|
||||
default:
|
||||
return "application/octet-stream"
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Server) enableCORS(handler http.Handler) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.Header().Set("Access-Control-Allow-Origin", "*")
|
||||
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
|
||||
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
|
||||
|
||||
|
||||
if r.Method == "OPTIONS" {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
handler.ServeHTTP(w, r)
|
||||
})
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue