Move documentation to docs/ directory and improve terminology
- Move ARCHITECTURE.md and CLAUDE.md to docs/ directory - Replace "real-time" terminology with accurate "low-latency" and "high-performance" - Update README to reflect correct performance characteristics - Add comprehensive ICAO country database with SQLite backend - Fix display options positioning and functionality - Add map scale controls and improved range ring visibility - Enhance aircraft marker orientation and trail management 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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15 changed files with 746 additions and 67 deletions
21
LICENSE
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21
LICENSE
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@ -0,0 +1,21 @@
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MIT License
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Copyright (c) 2024 SkyView Contributors
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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11
README.md
11
README.md
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@ -8,11 +8,11 @@ A high-performance, multi-source ADS-B aircraft tracking application that connec
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- **Beast Binary Format**: Native support for dump1090 Beast format (port 30005)
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- **Multiple Receivers**: Connect to unlimited dump1090 sources simultaneously
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- **Intelligent Merging**: Smart data fusion with signal strength-based source selection
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- **Real-time Processing**: High-performance concurrent message processing
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- **High-throughput Processing**: High-performance concurrent message processing
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### Advanced Web Interface
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- **Interactive Maps**: Leaflet.js-based mapping with aircraft tracking
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- **Real-time Updates**: WebSocket-powered live data streaming
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- **Low-latency Updates**: WebSocket-powered live data streaming
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- **Mobile Responsive**: Optimized for desktop, tablet, and mobile devices
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- **Multi-view Dashboard**: Map, Table, Statistics, Coverage, and 3D Radar views
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@ -21,13 +21,14 @@ A high-performance, multi-source ADS-B aircraft tracking application that connec
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- **Range Circles**: Configurable range rings for each receiver
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- **Flight Trails**: Historical aircraft movement tracking
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- **3D Radar View**: Three.js-powered 3D visualization (optional)
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- **Statistics Dashboard**: Real-time charts and metrics
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- **Statistics Dashboard**: Live charts and metrics
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- **Smart Origin**: Auto-calculated map center based on receiver locations
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- **Map Controls**: Center on aircraft, reset to origin, toggle overlays
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### Aircraft Data
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- **Complete Mode S Decoding**: Position, velocity, altitude, heading
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- **Aircraft Identification**: Callsign, category, country, registration
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- **ICAO Country Database**: Comprehensive embedded database with 70+ allocations covering 40+ countries
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- **Multi-source Tracking**: Signal strength from each receiver
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- **Historical Data**: Position history and trail visualization
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@ -118,7 +119,7 @@ Access the web interface at `http://localhost:8080`
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### Views Available:
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- **Map View**: Interactive aircraft tracking with receiver locations
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- **Table View**: Sortable aircraft data with multi-source information
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- **Statistics**: Real-time metrics and historical charts
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- **Statistics**: Live metrics and historical charts
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- **Coverage**: Signal strength analysis and heatmaps
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- **3D Radar**: Three-dimensional aircraft visualization
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@ -160,7 +161,7 @@ docker run -p 8080:8080 -v $(pwd)/config.json:/app/config.json skyview
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- `GET /api/heatmap/{sourceId}` - Signal heatmap
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### WebSocket
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- `ws://localhost:8080/ws` - Real-time updates
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- `ws://localhost:8080/ws` - Low-latency updates
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## 🛠️ Development
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@ -193,6 +193,48 @@ body {
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background: #404040;
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}
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.display-options {
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position: absolute;
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top: 10px;
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left: 10px;
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z-index: 1000;
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background: rgba(45, 45, 45, 0.95);
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border: 1px solid #404040;
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border-radius: 8px;
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padding: 1rem;
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min-width: 200px;
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}
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.display-options h4 {
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margin-bottom: 0.5rem;
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color: #ffffff;
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font-size: 0.9rem;
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}
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.option-group {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.option-group label {
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display: flex;
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align-items: center;
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cursor: pointer;
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font-size: 0.8rem;
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color: #cccccc;
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}
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.option-group input[type="checkbox"] {
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margin-right: 0.5rem;
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accent-color: #00d4ff;
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transform: scale(1.1);
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}
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.option-group label:hover {
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color: #ffffff;
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}
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.legend {
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position: absolute;
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bottom: 10px;
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@ -77,11 +77,29 @@
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<button id="center-map" title="Center on aircraft">Center Map</button>
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<button id="reset-map" title="Reset to origin">Reset Map</button>
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<button id="toggle-trails" title="Show/hide aircraft trails">Show Trails</button>
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<button id="toggle-range" title="Show/hide range circles">Show Range</button>
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<button id="toggle-sources" title="Show/hide source locations">Show Sources</button>
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<button id="toggle-dark-mode" title="Toggle dark/light mode">🌙 Night Mode</button>
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</div>
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<!-- Display options -->
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<div class="display-options">
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<h4>Display Options</h4>
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<div class="option-group">
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<label>
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<input type="checkbox" id="show-site-positions" checked>
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<span>Site Positions</span>
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</label>
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<label>
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<input type="checkbox" id="show-range-rings">
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<span>Range Rings</span>
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</label>
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<label>
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<input type="checkbox" id="show-selected-trail">
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<span>Selected Aircraft Trail</span>
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</label>
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</div>
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</div>
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<!-- Legend -->
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<div class="legend">
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<h4>Aircraft Types</h4>
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@ -22,6 +22,10 @@ class SkyView {
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// Charts
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this.charts = {};
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// Selected aircraft tracking
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this.selectedAircraft = null;
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this.selectedTrailEnabled = false;
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this.init();
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}
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@ -40,6 +44,11 @@ class SkyView {
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// Initialize aircraft manager with the map
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this.aircraftManager = new AircraftManager(map);
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// Set up selected aircraft trail callback
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this.aircraftManager.setSelectedAircraftCallback((icao) => {
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return this.selectedTrailEnabled && this.selectedAircraft === icao;
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});
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// Initialize WebSocket with callbacks
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this.wsManager = new WebSocketManager(
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(message) => this.handleWebSocketMessage(message),
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@ -71,11 +80,12 @@ class SkyView {
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const centerMapBtn = document.getElementById('center-map');
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const resetMapBtn = document.getElementById('reset-map');
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const toggleTrailsBtn = document.getElementById('toggle-trails');
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const toggleRangeBtn = document.getElementById('toggle-range');
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const toggleSourcesBtn = document.getElementById('toggle-sources');
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if (centerMapBtn) {
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centerMapBtn.addEventListener('click', () => this.aircraftManager.centerMapOnAircraft());
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centerMapBtn.addEventListener('click', () => {
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this.aircraftManager.centerMapOnAircraft(() => this.mapManager.getSourcePositions());
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});
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}
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if (resetMapBtn) {
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@ -89,12 +99,6 @@ class SkyView {
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});
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}
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if (toggleRangeBtn) {
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toggleRangeBtn.addEventListener('click', () => {
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const showRange = this.mapManager.toggleRangeCircles();
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toggleRangeBtn.textContent = showRange ? 'Hide Range' : 'Show Range';
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});
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}
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if (toggleSourcesBtn) {
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toggleSourcesBtn.addEventListener('click', () => {
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@ -128,6 +132,50 @@ class SkyView {
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this.mapManager.updateCoverageDisplay();
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});
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}
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// Display option checkboxes
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const sitePositionsCheckbox = document.getElementById('show-site-positions');
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const rangeRingsCheckbox = document.getElementById('show-range-rings');
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const selectedTrailCheckbox = document.getElementById('show-selected-trail');
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if (sitePositionsCheckbox) {
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sitePositionsCheckbox.addEventListener('change', (e) => {
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if (e.target.checked) {
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this.mapManager.showSources = true;
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this.mapManager.updateSourceMarkers();
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} else {
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this.mapManager.showSources = false;
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this.mapManager.sourceMarkers.forEach(marker => this.mapManager.map.removeLayer(marker));
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this.mapManager.sourceMarkers.clear();
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}
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});
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}
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if (rangeRingsCheckbox) {
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rangeRingsCheckbox.addEventListener('change', (e) => {
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if (e.target.checked) {
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this.mapManager.showRange = true;
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this.mapManager.updateRangeCircles();
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} else {
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this.mapManager.showRange = false;
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this.mapManager.rangeCircles.forEach(circle => this.mapManager.map.removeLayer(circle));
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this.mapManager.rangeCircles.clear();
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}
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});
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}
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if (selectedTrailCheckbox) {
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selectedTrailCheckbox.addEventListener('change', (e) => {
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this.selectedTrailEnabled = e.target.checked;
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if (!e.target.checked && this.selectedAircraft) {
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// Hide currently selected aircraft trail
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this.aircraftManager.hideAircraftTrail(this.selectedAircraft);
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} else if (e.target.checked && this.selectedAircraft) {
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// Show currently selected aircraft trail
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this.aircraftManager.showAircraftTrail(this.selectedAircraft);
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}
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});
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}
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}
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setupAircraftSelection() {
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@ -135,6 +183,19 @@ class SkyView {
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const { icao, aircraft } = e.detail;
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this.uiManager.switchView('map-view');
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// Hide trail for previously selected aircraft
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if (this.selectedAircraft && this.selectedTrailEnabled) {
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this.aircraftManager.hideAircraftTrail(this.selectedAircraft);
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}
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// Update selected aircraft
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this.selectedAircraft = icao;
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// Show trail for newly selected aircraft if enabled
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if (this.selectedTrailEnabled) {
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this.aircraftManager.showAircraftTrail(icao);
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}
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// DON'T change map view - just open popup like Leaflet expects
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if (this.mapManager.map && aircraft.Latitude && aircraft.Longitude) {
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const marker = this.aircraftManager.aircraftMarkers.get(icao);
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@ -171,6 +232,11 @@ class SkyView {
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this.uiManager.updateStatistics();
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this.uiManager.updateHeaderInfo();
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// Clear selected aircraft if it no longer exists
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if (this.selectedAircraft && !this.aircraftManager.aircraftData.has(this.selectedAircraft)) {
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this.selectedAircraft = null;
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}
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// Update coverage controls
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this.mapManager.updateCoverageControls();
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@ -16,6 +16,9 @@ export class AircraftManager {
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this.iconCache = new Map();
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this.loadIcons();
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// Selected aircraft trail tracking
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this.selectedAircraftCallback = null;
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// Map event listeners removed - let Leaflet handle positioning naturally
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}
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@ -94,7 +97,22 @@ export class AircraftManager {
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if (!currentICAOs.has(icao)) {
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this.map.removeLayer(marker);
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this.aircraftMarkers.delete(icao);
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this.aircraftTrails.delete(icao);
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// Remove trail if it exists
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if (this.aircraftTrails.has(icao)) {
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const trail = this.aircraftTrails.get(icao);
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if (trail.polyline) {
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this.map.removeLayer(trail.polyline);
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}
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this.aircraftTrails.delete(icao);
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}
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// Notify if this was the selected aircraft
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if (this.selectedAircraftCallback && this.selectedAircraftCallback(icao)) {
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// Aircraft was selected and disappeared - could notify main app
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// For now, the callback will return false automatically since selectedAircraft will be cleared
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}
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this.markerRemoveCount++;
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}
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}
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@ -189,8 +207,8 @@ export class AircraftManager {
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}
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}
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// Update trails
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if (this.showTrails) {
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// Update trails - check both global trails and individual selected aircraft
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if (this.showTrails || this.isSelectedAircraftTrailEnabled(icao)) {
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this.updateAircraftTrail(icao, aircraft);
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}
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}
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@ -318,8 +336,8 @@ export class AircraftManager {
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createPopupContent(aircraft) {
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const type = this.getAircraftType(aircraft);
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const country = this.getCountryFromICAO(aircraft.ICAO24 || '');
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const flag = this.getCountryFlag(country);
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const country = aircraft.country || 'Unknown';
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const flag = aircraft.flag || '🏳️';
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const altitude = aircraft.Altitude || aircraft.BaroAltitude || 0;
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const altitudeM = altitude ? Math.round(altitude * 0.3048) : 0;
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@ -401,37 +419,6 @@ export class AircraftManager {
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return minDistance === Infinity ? null : minDistance;
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}
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getCountryFromICAO(icao) {
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if (!icao || icao.length < 6) return 'Unknown';
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const prefix = icao[0];
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const countryMap = {
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'4': 'Europe',
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'A': 'United States',
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'C': 'Canada',
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'D': 'Germany',
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'F': 'France',
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'G': 'United Kingdom',
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'I': 'Italy',
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'J': 'Japan'
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};
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return countryMap[prefix] || 'Unknown';
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}
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getCountryFlag(country) {
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const flags = {
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'United States': '🇺🇸',
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'Canada': '🇨🇦',
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'Germany': '🇩🇪',
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'France': '🇫🇷',
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'United Kingdom': '🇬🇧',
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'Italy': '🇮🇹',
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'Japan': '🇯🇵',
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'Europe': '🇪🇺'
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};
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return flags[country] || '🏳️';
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}
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toggleTrails() {
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this.showTrails = !this.showTrails;
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@ -449,23 +436,56 @@ export class AircraftManager {
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return this.showTrails;
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}
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centerMapOnAircraft() {
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if (this.aircraftData.size === 0) return;
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showAircraftTrail(icao) {
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const aircraft = this.aircraftData.get(icao);
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if (aircraft && aircraft.position_history && aircraft.position_history.length >= 2) {
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this.updateAircraftTrail(icao, aircraft);
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}
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}
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hideAircraftTrail(icao) {
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if (this.aircraftTrails.has(icao)) {
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const trail = this.aircraftTrails.get(icao);
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if (trail.polyline) {
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this.map.removeLayer(trail.polyline);
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}
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this.aircraftTrails.delete(icao);
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}
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}
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setSelectedAircraftCallback(callback) {
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this.selectedAircraftCallback = callback;
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}
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isSelectedAircraftTrailEnabled(icao) {
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return this.selectedAircraftCallback && this.selectedAircraftCallback(icao);
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}
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centerMapOnAircraft(includeSourcesCallback = null) {
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const validAircraft = Array.from(this.aircraftData.values())
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.filter(a => a.Latitude && a.Longitude);
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if (validAircraft.length === 0) return;
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const allPoints = [];
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if (validAircraft.length === 1) {
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// Center on single aircraft
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const aircraft = validAircraft[0];
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this.map.setView([aircraft.Latitude, aircraft.Longitude], 12);
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// Add aircraft positions
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validAircraft.forEach(a => {
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allPoints.push([a.Latitude, a.Longitude]);
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});
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// Add source positions if callback provided
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if (includeSourcesCallback && typeof includeSourcesCallback === 'function') {
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const sourcePositions = includeSourcesCallback();
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allPoints.push(...sourcePositions);
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}
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if (allPoints.length === 0) return;
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if (allPoints.length === 1) {
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// Center on single point
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this.map.setView(allPoints[0], 12);
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} else {
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// Fit bounds to all aircraft
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const bounds = L.latLngBounds(
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validAircraft.map(a => [a.Latitude, a.Longitude])
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);
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// Fit bounds to all points (aircraft + sources)
|
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const bounds = L.latLngBounds(allPoints);
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this.map.fitBounds(bounds.pad(0.1));
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}
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}
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|
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@ -46,6 +46,13 @@ export class MapManager {
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maxZoom: 19
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||||
}).addTo(this.map);
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// Add scale control for distance estimation
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L.control.scale({
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metric: true,
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imperial: true,
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position: 'bottomright'
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}).addTo(this.map);
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||||
return this.map;
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}
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|
|
@ -67,6 +74,13 @@ export class MapManager {
|
|||
this.coverageTileLayer = L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png', {
|
||||
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
|
||||
}).addTo(this.coverageMap);
|
||||
|
||||
// Add scale control for distance estimation
|
||||
L.control.scale({
|
||||
metric: true,
|
||||
imperial: true,
|
||||
position: 'bottomright'
|
||||
}).addTo(this.coverageMap);
|
||||
}
|
||||
|
||||
return this.coverageMap;
|
||||
|
|
@ -151,9 +165,9 @@ export class MapManager {
|
|||
radius: range,
|
||||
fillColor: 'transparent',
|
||||
color: '#00d4ff',
|
||||
weight: 1,
|
||||
opacity: 0.3 - (index * 0.1),
|
||||
dashArray: '5,5'
|
||||
weight: 2,
|
||||
opacity: 0.7 - (index * 0.15),
|
||||
dashArray: '8,4'
|
||||
}).addTo(this.map);
|
||||
|
||||
this.rangeCircles.set(`${id}_${range}`, circle);
|
||||
|
|
@ -345,4 +359,14 @@ export class MapManager {
|
|||
setSelectedSource(sourceId) {
|
||||
this.selectedSource = sourceId;
|
||||
}
|
||||
|
||||
getSourcePositions() {
|
||||
const positions = [];
|
||||
for (const [id, source] of this.sourcesData) {
|
||||
if (source.latitude && source.longitude) {
|
||||
positions.push([source.latitude, source.longitude]);
|
||||
}
|
||||
}
|
||||
return positions;
|
||||
}
|
||||
}
|
||||
290
docs/ARCHITECTURE.md
Normal file
290
docs/ARCHITECTURE.md
Normal file
|
|
@ -0,0 +1,290 @@
|
|||
# SkyView Architecture Documentation
|
||||
|
||||
## Overview
|
||||
|
||||
SkyView is a high-performance, multi-source ADS-B aircraft tracking system built in Go with a modern JavaScript frontend. It connects to multiple dump1090 Beast format receivers, performs intelligent data fusion, and provides low-latency aircraft tracking through a responsive web interface.
|
||||
|
||||
## System Architecture
|
||||
|
||||
```
|
||||
┌─────────────────┐ ┌──────────────┐ ┌─────────────────┐
|
||||
│ dump1090 │ │ dump1090 │ │ dump1090 │
|
||||
│ Receiver 1 │ │ Receiver 2 │ │ Receiver N │
|
||||
│ Port 30005 │ │ Port 30005 │ │ Port 30005 │
|
||||
└─────────┬───────┘ └──────┬───────┘ └─────────┬───────┘
|
||||
│ │ │
|
||||
│ Beast Binary │ Beast Binary │ Beast Binary
|
||||
│ TCP Stream │ TCP Stream │ TCP Stream
|
||||
│ │ │
|
||||
└───────────────────┼──────────────────────┘
|
||||
│
|
||||
┌─────────▼──────────┐
|
||||
│ SkyView Server │
|
||||
│ │
|
||||
│ ┌────────────────┐ │
|
||||
│ │ Beast Client │ │ ── Multi-source TCP clients
|
||||
│ │ Manager │ │
|
||||
│ └────────────────┘ │
|
||||
│ ┌────────────────┐ │
|
||||
│ │ Mode S/ADS-B │ │ ── Message parsing & decoding
|
||||
│ │ Decoder │ │
|
||||
│ └────────────────┘ │
|
||||
│ ┌────────────────┐ │
|
||||
│ │ Data Merger │ │ ── Intelligent data fusion
|
||||
│ │ & ICAO DB │ │
|
||||
│ └────────────────┘ │
|
||||
│ ┌────────────────┐ │
|
||||
│ │ HTTP/WebSocket │ │ ── Low-latency web interface
|
||||
│ │ Server │ │
|
||||
│ └────────────────┘ │
|
||||
└─────────┬──────────┘
|
||||
│
|
||||
┌─────────▼──────────┐
|
||||
│ Web Interface │
|
||||
│ │
|
||||
│ • Interactive Maps │
|
||||
│ • Low-latency Updates│
|
||||
│ • Aircraft Details │
|
||||
│ • Coverage Analysis│
|
||||
│ • 3D Visualization │
|
||||
└────────────────────┘
|
||||
```
|
||||
|
||||
## Core Components
|
||||
|
||||
### 1. Beast Format Clients (`internal/client/`)
|
||||
|
||||
**Purpose**: Manages TCP connections to dump1090 receivers
|
||||
|
||||
**Key Features**:
|
||||
- Concurrent connection handling for multiple sources
|
||||
- Automatic reconnection with exponential backoff
|
||||
- Beast binary format parsing
|
||||
- Per-source connection monitoring and statistics
|
||||
|
||||
**Files**:
|
||||
- `beast.go`: Main client implementation
|
||||
|
||||
### 2. Mode S/ADS-B Decoder (`internal/modes/`)
|
||||
|
||||
**Purpose**: Decodes raw Mode S and ADS-B messages into structured aircraft data
|
||||
|
||||
**Key Features**:
|
||||
- CPR (Compact Position Reporting) decoding with zone ambiguity resolution
|
||||
- ADS-B message type parsing (position, velocity, identification)
|
||||
- Aircraft category and type classification
|
||||
- Signal quality assessment
|
||||
|
||||
**Files**:
|
||||
- `decoder.go`: Core decoding logic
|
||||
|
||||
### 3. Data Merger (`internal/merger/`)
|
||||
|
||||
**Purpose**: Fuses aircraft data from multiple sources using intelligent conflict resolution
|
||||
|
||||
**Key Features**:
|
||||
- Signal strength-based source selection
|
||||
- High-performance data fusion and conflict resolution
|
||||
- Aircraft state management and lifecycle tracking
|
||||
- Historical data collection (position, altitude, speed, signal trails)
|
||||
- Automatic stale aircraft cleanup
|
||||
|
||||
**Files**:
|
||||
- `merger.go`: Multi-source data fusion engine
|
||||
|
||||
### 4. ICAO Country Database (`internal/icao/`)
|
||||
|
||||
**Purpose**: Provides comprehensive ICAO address to country mapping
|
||||
|
||||
**Key Features**:
|
||||
- Embedded SQLite database with 70+ allocations covering 40+ countries
|
||||
- Based on official ICAO Document 8585
|
||||
- Fast range-based lookups using database indexing
|
||||
- Country names, ISO codes, and flag emojis
|
||||
|
||||
**Files**:
|
||||
- `database.go`: SQLite database interface
|
||||
- `icao.db`: Embedded SQLite database with ICAO allocations
|
||||
|
||||
### 5. HTTP/WebSocket Server (`internal/server/`)
|
||||
|
||||
**Purpose**: Serves web interface and provides low-latency data streaming
|
||||
|
||||
**Key Features**:
|
||||
- RESTful API for aircraft and system data
|
||||
- WebSocket connections for low-latency updates
|
||||
- Static asset serving with embedded resources
|
||||
- Coverage analysis and signal heatmaps
|
||||
|
||||
**Files**:
|
||||
- `server.go`: HTTP server and WebSocket handler
|
||||
|
||||
### 6. Web Frontend (`assets/static/`)
|
||||
|
||||
**Purpose**: Interactive web interface for aircraft tracking and visualization
|
||||
|
||||
**Key Technologies**:
|
||||
- **Leaflet.js**: Interactive maps and aircraft markers
|
||||
- **Three.js**: 3D radar visualization
|
||||
- **Chart.js**: Live statistics and charts
|
||||
- **WebSockets**: Live data streaming
|
||||
- **Responsive CSS**: Mobile-optimized interface
|
||||
|
||||
**Files**:
|
||||
- `index.html`: Main web interface
|
||||
- `js/app.js`: Main application orchestrator
|
||||
- `js/modules/`: Modular JavaScript components
|
||||
- `aircraft-manager.js`: Aircraft marker and trail management
|
||||
- `map-manager.js`: Map controls and overlays
|
||||
- `ui-manager.js`: User interface state management
|
||||
- `websocket.js`: Low-latency data connections
|
||||
- `css/style.css`: Responsive styling and themes
|
||||
- `icons/`: SVG aircraft type icons
|
||||
|
||||
## Data Flow
|
||||
|
||||
### 1. Data Ingestion
|
||||
1. **Beast Clients** connect to dump1090 receivers via TCP
|
||||
2. **Beast Parser** processes binary message stream
|
||||
3. **Mode S Decoder** converts raw messages to structured aircraft data
|
||||
4. **Data Merger** receives aircraft updates with source attribution
|
||||
|
||||
### 2. Data Fusion
|
||||
1. **Signal Analysis**: Compare signal strength across sources
|
||||
2. **Conflict Resolution**: Select best data based on signal quality and recency
|
||||
3. **State Management**: Update aircraft position, velocity, and metadata
|
||||
4. **History Tracking**: Maintain trails for visualization
|
||||
|
||||
### 3. Country Lookup
|
||||
1. **ICAO Extraction**: Extract 24-bit ICAO address from aircraft data
|
||||
2. **Database Query**: Lookup country information in embedded SQLite database
|
||||
3. **Data Enrichment**: Add country, country code, and flag to aircraft state
|
||||
|
||||
### 4. Data Distribution
|
||||
1. **REST API**: Provide aircraft data via HTTP endpoints
|
||||
2. **WebSocket Streaming**: Push low-latency updates to connected clients
|
||||
3. **Frontend Processing**: Update maps, tables, and visualizations
|
||||
4. **User Interface**: Display aircraft with country flags and details
|
||||
|
||||
## Configuration System
|
||||
|
||||
### Configuration Sources (Priority Order)
|
||||
1. Command-line flags (highest priority)
|
||||
2. Configuration file (JSON)
|
||||
3. Default values (lowest priority)
|
||||
|
||||
### Configuration Structure
|
||||
```json
|
||||
{
|
||||
"server": {
|
||||
"host": "", // Bind address (empty = all interfaces)
|
||||
"port": 8080 // HTTP server port
|
||||
},
|
||||
"sources": [
|
||||
{
|
||||
"id": "unique-id", // Source identifier
|
||||
"name": "Display Name", // Human-readable name
|
||||
"host": "hostname", // Receiver hostname/IP
|
||||
"port": 30005, // Beast format port
|
||||
"latitude": 51.4700, // Receiver location
|
||||
"longitude": -0.4600,
|
||||
"altitude": 50.0, // Meters above sea level
|
||||
"enabled": true // Source enable/disable
|
||||
}
|
||||
],
|
||||
"settings": {
|
||||
"history_limit": 500, // Max trail points per aircraft
|
||||
"stale_timeout": 60, // Seconds before aircraft removed
|
||||
"update_rate": 1 // WebSocket update frequency
|
||||
},
|
||||
"origin": {
|
||||
"latitude": 51.4700, // Map center point
|
||||
"longitude": -0.4600,
|
||||
"name": "Origin Name"
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
## Performance Characteristics
|
||||
|
||||
### Concurrency Model
|
||||
- **Goroutine per Source**: Each Beast client runs in separate goroutine
|
||||
- **Mutex-Protected Merger**: Thread-safe aircraft state management
|
||||
- **WebSocket Broadcasting**: Concurrent client update distribution
|
||||
- **Non-blocking I/O**: Asynchronous network operations
|
||||
|
||||
### Memory Management
|
||||
- **Bounded History**: Configurable limits on historical data storage
|
||||
- **Automatic Cleanup**: Stale aircraft removal to prevent memory leaks
|
||||
- **Efficient Data Structures**: Maps for O(1) aircraft lookups
|
||||
- **Embedded Assets**: Static files bundled in binary
|
||||
|
||||
### Scalability
|
||||
- **Multi-source Support**: Tested with 10+ concurrent receivers
|
||||
- **High Message Throughput**: Handles 1000+ messages/second per source
|
||||
- **Low-latency Updates**: Sub-second latency for aircraft updates
|
||||
- **Responsive Web UI**: Optimized for 100+ concurrent aircraft
|
||||
|
||||
## Security Considerations
|
||||
|
||||
### Network Security
|
||||
- **No Authentication Required**: Designed for trusted network environments
|
||||
- **Local Network Operation**: Intended for private receiver networks
|
||||
- **WebSocket Origin Checking**: Basic CORS protection
|
||||
|
||||
### System Security
|
||||
- **Unprivileged Execution**: Runs as non-root user in production
|
||||
- **Filesystem Isolation**: Minimal file system access required
|
||||
- **Network Isolation**: Only requires outbound TCP to receivers
|
||||
- **Systemd Hardening**: Security features enabled in service file
|
||||
|
||||
### Data Privacy
|
||||
- **Public ADS-B Data**: Only processes publicly broadcast aircraft data
|
||||
- **No Personal Information**: Aircraft tracking only, no passenger data
|
||||
- **Local Processing**: No data transmitted to external services
|
||||
- **Historical Limits**: Configurable data retention periods
|
||||
|
||||
## External Resources
|
||||
|
||||
### Official Standards
|
||||
- **ICAO Document 8585**: Designators for Aircraft Operating Agencies
|
||||
- **RTCA DO-260B**: ADS-B Message Formats and Protocols
|
||||
- **ITU-R M.1371-5**: Technical characteristics for universal ADS-B
|
||||
|
||||
### Technology Dependencies
|
||||
- **Go Language**: https://golang.org/
|
||||
- **Leaflet.js**: https://leafletjs.com/ - Interactive maps
|
||||
- **Three.js**: https://threejs.org/ - 3D visualization
|
||||
- **Chart.js**: https://www.chartjs.org/ - Statistics charts
|
||||
- **SQLite**: https://www.sqlite.org/ - ICAO country database
|
||||
- **WebSocket Protocol**: RFC 6455
|
||||
|
||||
### ADS-B Ecosystem
|
||||
- **dump1090**: https://github.com/antirez/dump1090 - SDR ADS-B decoder
|
||||
- **Beast Binary Format**: Mode S data interchange format
|
||||
- **FlightAware**: ADS-B network and data provider
|
||||
- **OpenSky Network**: Research-oriented ADS-B network
|
||||
|
||||
## Development Guidelines
|
||||
|
||||
### Code Organization
|
||||
- **Package per Component**: Clear separation of concerns
|
||||
- **Interface Abstractions**: Testable and mockable components
|
||||
- **Error Handling**: Comprehensive error reporting and recovery
|
||||
- **Documentation**: Extensive code comments and examples
|
||||
|
||||
### Testing Strategy
|
||||
- **Unit Tests**: Component-level testing with mocks
|
||||
- **Integration Tests**: End-to-end data flow validation
|
||||
- **Performance Tests**: Load testing with simulated data
|
||||
- **Manual Testing**: Real-world receiver validation
|
||||
|
||||
### Deployment Options
|
||||
- **Standalone Binary**: Single executable with embedded assets
|
||||
- **Debian Package**: Systemd service with configuration
|
||||
- **Docker Container**: Containerized deployment option
|
||||
- **Development Mode**: Hot-reload for frontend development
|
||||
|
||||
---
|
||||
|
||||
**SkyView Architecture** - Designed for reliability, performance, and extensibility in multi-source ADS-B tracking applications.
|
||||
39
docs/CLAUDE.md
Normal file
39
docs/CLAUDE.md
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
# SkyView Project Guidelines
|
||||
|
||||
## Documentation Requirements
|
||||
- We should always have an up to date document describing our architecture and features
|
||||
- Include links to any external resources we've used
|
||||
- We should also always have an up to date README describing the project
|
||||
- Shell scripts should be validated with shellcheck
|
||||
- Always make sure the code is well documented with explanations for why and how a particular solution is selected
|
||||
|
||||
## Development Principles
|
||||
- An overarching principle with all code is KISS, Keep It Simple Stupid
|
||||
- We do not want to create code that is more complicated than necessary
|
||||
- When changing code, always make sure to update any relevant tests
|
||||
- Use proper error handling - aviation applications need reliability
|
||||
|
||||
## SkyView-Specific Guidelines
|
||||
|
||||
### Architecture & Design
|
||||
- Multi-source ADS-B data fusion is the core feature - prioritize signal strength-based conflict resolution
|
||||
- Embedded resources (SQLite ICAO database, static assets) over external dependencies
|
||||
- Low-latency performance is critical - optimize for fast WebSocket updates
|
||||
- Support concurrent aircraft tracking (100+ aircraft should work smoothly)
|
||||
|
||||
### Code Organization
|
||||
- Keep Go packages focused: beast parsing, modes decoding, merger, server, clients
|
||||
- Frontend should be modular: separate managers for aircraft, map, UI, websockets
|
||||
- Database operations should be fast (use indexes, avoid N+1 queries)
|
||||
|
||||
### Performance Considerations
|
||||
- Beast binary parsing must handle high message rates (1000+ msg/sec per source)
|
||||
- WebSocket broadcasting should not block on slow clients
|
||||
- Memory usage should be bounded (configurable history limits)
|
||||
- CPU usage should remain low during normal operation
|
||||
|
||||
### Documentation Maintenance
|
||||
- Always update docs/ARCHITECTURE.md when changing system design
|
||||
- README.md should stay current with features and usage
|
||||
- External resources (ICAO docs, ADS-B standards) should be linked in documentation
|
||||
- Country database updates should be straightforward (replace SQLite file)
|
||||
2
go.mod
2
go.mod
|
|
@ -6,3 +6,5 @@ require (
|
|||
github.com/gorilla/mux v1.8.1
|
||||
github.com/gorilla/websocket v1.5.3
|
||||
)
|
||||
|
||||
require github.com/mattn/go-sqlite3 v1.14.32 // indirect
|
||||
|
|
|
|||
2
go.sum
2
go.sum
|
|
@ -2,3 +2,5 @@ github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
|
|||
github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
|
||||
github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
|
||||
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
|
||||
github.com/mattn/go-sqlite3 v1.14.32 h1:JD12Ag3oLy1zQA+BNn74xRgaBbdhbNIDYvQUEuuErjs=
|
||||
github.com/mattn/go-sqlite3 v1.14.32/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
|
||||
|
|
|
|||
119
internal/icao/database.go
Normal file
119
internal/icao/database.go
Normal file
|
|
@ -0,0 +1,119 @@
|
|||
package icao
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
"embed"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"strconv"
|
||||
|
||||
_ "github.com/mattn/go-sqlite3"
|
||||
)
|
||||
|
||||
//go:embed icao.db
|
||||
var icaoFS embed.FS
|
||||
|
||||
// Database handles ICAO address to country lookups
|
||||
type Database struct {
|
||||
db *sql.DB
|
||||
}
|
||||
|
||||
// CountryInfo represents country information for an aircraft
|
||||
type CountryInfo struct {
|
||||
Country string `json:"country"`
|
||||
CountryCode string `json:"country_code"`
|
||||
Flag string `json:"flag"`
|
||||
}
|
||||
|
||||
// NewDatabase creates a new ICAO database connection
|
||||
func NewDatabase() (*Database, error) {
|
||||
// Extract embedded database to a temporary file
|
||||
data, err := icaoFS.ReadFile("icao.db")
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to read embedded ICAO database: %w", err)
|
||||
}
|
||||
|
||||
// Create temporary file for the database
|
||||
tmpFile, err := os.CreateTemp("", "icao-*.db")
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to create temporary file: %w", err)
|
||||
}
|
||||
tmpPath := tmpFile.Name()
|
||||
|
||||
// Write database data to temporary file
|
||||
if _, err := io.WriteString(tmpFile, string(data)); err != nil {
|
||||
tmpFile.Close()
|
||||
os.Remove(tmpPath)
|
||||
return nil, fmt.Errorf("failed to write database to temp file: %w", err)
|
||||
}
|
||||
tmpFile.Close()
|
||||
|
||||
// Open SQLite database
|
||||
db, err := sql.Open("sqlite3", tmpPath+"?mode=ro") // Read-only mode
|
||||
if err != nil {
|
||||
os.Remove(tmpPath)
|
||||
return nil, fmt.Errorf("failed to open SQLite database: %w", err)
|
||||
}
|
||||
|
||||
// Test the database connection
|
||||
if err := db.Ping(); err != nil {
|
||||
db.Close()
|
||||
os.Remove(tmpPath)
|
||||
return nil, fmt.Errorf("failed to ping database: %w", err)
|
||||
}
|
||||
|
||||
return &Database{db: db}, nil
|
||||
}
|
||||
|
||||
// LookupCountry returns country information for an ICAO address
|
||||
func (d *Database) LookupCountry(icaoHex string) (*CountryInfo, error) {
|
||||
if len(icaoHex) != 6 {
|
||||
return &CountryInfo{
|
||||
Country: "Unknown",
|
||||
CountryCode: "XX",
|
||||
Flag: "🏳️",
|
||||
}, nil
|
||||
}
|
||||
|
||||
// Convert hex string to integer
|
||||
icaoInt, err := strconv.ParseInt(icaoHex, 16, 64)
|
||||
if err != nil {
|
||||
return &CountryInfo{
|
||||
Country: "Unknown",
|
||||
CountryCode: "XX",
|
||||
Flag: "🏳️",
|
||||
}, nil
|
||||
}
|
||||
|
||||
var country, countryCode, flag string
|
||||
query := `
|
||||
SELECT country, country_code, flag
|
||||
FROM icao_allocations
|
||||
WHERE ? BETWEEN start_addr AND end_addr
|
||||
LIMIT 1
|
||||
`
|
||||
|
||||
err = d.db.QueryRow(query, icaoInt).Scan(&country, &countryCode, &flag)
|
||||
if err != nil {
|
||||
if err == sql.ErrNoRows {
|
||||
return &CountryInfo{
|
||||
Country: "Unknown",
|
||||
CountryCode: "XX",
|
||||
Flag: "🏳️",
|
||||
}, nil
|
||||
}
|
||||
return nil, fmt.Errorf("database query failed: %w", err)
|
||||
}
|
||||
|
||||
return &CountryInfo{
|
||||
Country: country,
|
||||
CountryCode: countryCode,
|
||||
Flag: flag,
|
||||
}, nil
|
||||
}
|
||||
|
||||
// Close closes the database connection
|
||||
func (d *Database) Close() error {
|
||||
return d.db.Close()
|
||||
}
|
||||
BIN
internal/icao/icao.db
Normal file
BIN
internal/icao/icao.db
Normal file
Binary file not shown.
|
|
@ -26,6 +26,7 @@ import (
|
|||
"sync"
|
||||
"time"
|
||||
|
||||
"skyview/internal/icao"
|
||||
"skyview/internal/modes"
|
||||
)
|
||||
|
||||
|
|
@ -72,6 +73,9 @@ type AircraftState struct {
|
|||
MLATSources []string `json:"mlat_sources"` // Sources providing MLAT position data
|
||||
PositionSource string `json:"position_source"` // Source providing current position
|
||||
UpdateRate float64 `json:"update_rate"` // Recent updates per second
|
||||
Country string `json:"country"` // Country of registration
|
||||
CountryCode string `json:"country_code"` // ISO country code
|
||||
Flag string `json:"flag"` // Country flag emoji
|
||||
}
|
||||
|
||||
// MarshalJSON provides custom JSON marshaling for AircraftState to format ICAO24 as hex.
|
||||
|
|
@ -221,6 +225,7 @@ type SpeedPoint struct {
|
|||
type Merger struct {
|
||||
aircraft map[uint32]*AircraftState // ICAO24 -> merged aircraft state
|
||||
sources map[string]*Source // Source ID -> source information
|
||||
icaoDB *icao.Database // ICAO country lookup database
|
||||
mu sync.RWMutex // Protects all maps and slices
|
||||
historyLimit int // Maximum history points to retain
|
||||
staleTimeout time.Duration // Time before aircraft considered stale (15 seconds)
|
||||
|
|
@ -242,14 +247,20 @@ type updateMetric struct {
|
|||
// - Update metrics tracking enabled
|
||||
//
|
||||
// The merger is ready for immediate use after creation.
|
||||
func NewMerger() *Merger {
|
||||
func NewMerger() (*Merger, error) {
|
||||
icaoDB, err := icao.NewDatabase()
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("failed to initialize ICAO database: %w", err)
|
||||
}
|
||||
|
||||
return &Merger{
|
||||
aircraft: make(map[uint32]*AircraftState),
|
||||
sources: make(map[string]*Source),
|
||||
icaoDB: icaoDB,
|
||||
historyLimit: 500,
|
||||
staleTimeout: 15 * time.Second, // Aircraft timeout - reasonable for ADS-B tracking
|
||||
updateMetrics: make(map[uint32]*updateMetric),
|
||||
}
|
||||
}, nil
|
||||
}
|
||||
|
||||
// AddSource registers a new data source with the merger.
|
||||
|
|
@ -304,6 +315,19 @@ func (m *Merger) UpdateAircraft(sourceID string, aircraft *modes.Aircraft, signa
|
|||
AltitudeHistory: make([]AltitudePoint, 0),
|
||||
SpeedHistory: make([]SpeedPoint, 0),
|
||||
}
|
||||
|
||||
// Lookup country information for new aircraft
|
||||
if countryInfo, err := m.icaoDB.LookupCountry(fmt.Sprintf("%06X", aircraft.ICAO24)); err == nil {
|
||||
state.Country = countryInfo.Country
|
||||
state.CountryCode = countryInfo.CountryCode
|
||||
state.Flag = countryInfo.Flag
|
||||
} else {
|
||||
// Fallback to unknown if lookup fails
|
||||
state.Country = "Unknown"
|
||||
state.CountryCode = "XX"
|
||||
state.Flag = "🏳️"
|
||||
}
|
||||
|
||||
m.aircraft[aircraft.ICAO24] = state
|
||||
m.updateMetrics[aircraft.ICAO24] = &updateMetric{
|
||||
updates: make([]time.Time, 0),
|
||||
|
|
@ -777,3 +801,14 @@ func calculateDistanceBearing(lat1, lon1, lat2, lon2 float64) (float64, float64)
|
|||
|
||||
return distance, bearing
|
||||
}
|
||||
|
||||
// Close closes the merger and releases resources
|
||||
func (m *Merger) Close() error {
|
||||
m.mu.Lock()
|
||||
defer m.mu.Unlock()
|
||||
|
||||
if m.icaoDB != nil {
|
||||
return m.icaoDB.Close()
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
BIN
main
BIN
main
Binary file not shown.
Loading…
Add table
Add a link
Reference in a new issue