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30 changed files with 1006 additions and 386 deletions
4
.gitignore
vendored
4
.gitignore
vendored
|
|
@ -3,6 +3,10 @@ skyview
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|||
build/
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dist/
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# Debian package build artifacts
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debian/usr/bin/skyview
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debian/usr/bin/beast-dump
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# Configuration
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config.json
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|
|
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21
Makefile
21
Makefile
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@ -1,13 +1,26 @@
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BINARY_NAME=skyview
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PACKAGE_NAME=skyview
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BUILD_DIR=build
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VERSION=$(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
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LDFLAGS=-w -s -X main.version=$(VERSION)
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.PHONY: build clean run dev test lint deb deb-clean install-deps
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.PHONY: build build-all clean run dev test lint deb deb-clean install-deps
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# Build main skyview binary
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build:
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@echo "Building $(BINARY_NAME)..."
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@echo "Building skyview..."
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@mkdir -p $(BUILD_DIR)
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go build -ldflags="-w -s -X main.version=$(VERSION)" -o $(BUILD_DIR)/$(BINARY_NAME) ./cmd/skyview
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go build -ldflags="$(LDFLAGS)" -o $(BUILD_DIR)/skyview ./cmd/skyview
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# Build beast-dump utility binary
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build-beast-dump:
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@echo "Building beast-dump..."
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@mkdir -p $(BUILD_DIR)
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go build -ldflags="$(LDFLAGS)" -o $(BUILD_DIR)/beast-dump ./cmd/beast-dump
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# Build all binaries
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build-all: build build-beast-dump
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@echo "Built all binaries successfully:"
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@ls -la $(BUILD_DIR)/
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clean:
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@echo "Cleaning..."
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|
|
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32
README.md
32
README.md
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|
@ -17,13 +17,14 @@ A high-performance, multi-source ADS-B aircraft tracking application that connec
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- **Multi-view Dashboard**: Map, Table, Statistics, Coverage, and 3D Radar views
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### Professional Visualization
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- **Signal Analysis**: Signal strength heatmaps and coverage analysis
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- **Signal Analysis**: Signal strength visualization and coverage analysis
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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**: Live charts and metrics
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- **3D Radar View**: Three.js-powered 3D visualization
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- **Statistics Dashboard**: Aircraft count timeline *(additional charts under construction)* 🚧
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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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- **Signal Heatmaps**: Coverage heatmap visualization *(under construction)* 🚧
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### Aircraft Data
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- **Complete Mode S Decoding**: Position, velocity, altitude, heading
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@ -51,7 +52,7 @@ A high-performance, multi-source ADS-B aircraft tracking application that connec
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```bash
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# Install
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sudo dpkg -i skyview_2.0.0_amd64.deb
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sudo dpkg -i skyview_0.0.2_amd64.deb
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# Configure
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sudo nano /etc/skyview/config.json
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@ -119,9 +120,18 @@ 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**: 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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- **Statistics**: Aircraft count timeline *(additional charts planned)* 🚧
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- **Coverage**: Signal strength analysis *(heatmaps under construction)* 🚧
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- **3D Radar**: Three-dimensional aircraft visualization *(controls under construction)* 🚧
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### 🚧 Features Under Construction
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Some advanced features are currently in development:
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- **Message Rate Charts**: Per-source message rate visualization
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- **Signal Strength Distribution**: Signal strength histogram analysis
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- **Altitude Distribution**: Aircraft altitude distribution charts
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- **Interactive Heatmaps**: Leaflet.heat-based coverage heatmaps
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||||
- **3D Radar Controls**: Interactive 3D view manipulation (reset, auto-rotate, range)
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- **Enhanced Error Notifications**: User-friendly toast notifications for issues
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||||
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## 🔧 Building
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@ -193,7 +203,7 @@ make check # Run all checks
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|||
### Systemd Service (Debian/Ubuntu)
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```bash
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# Install package
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||||
sudo dpkg -i skyview_2.0.0_amd64.deb
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sudo dpkg -i skyview_0.0.2_amd64.deb
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# Configure sources in /etc/skyview/config.json
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# Start service
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|
|
@ -249,9 +259,9 @@ MIT License - see [LICENSE](LICENSE) file for details.
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|||
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## 🆘 Support
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||||
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- [GitHub Issues](https://github.com/skyview/skyview/issues)
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- [Documentation](https://github.com/skyview/skyview/wiki)
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- [Configuration Examples](https://github.com/skyview/skyview/tree/main/examples)
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- [Issues](https://kode.naiv.no/olemd/skyview/issues)
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- [Documentation](https://kode.naiv.no/olemd/skyview/wiki)
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- [Configuration Examples](https://kode.naiv.no/olemd/skyview/src/branch/main/examples)
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||||
---
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||||
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|
|
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@ -6,7 +6,7 @@
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// - index.html: Main web interface with aircraft tracking map
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// - css/style.css: Styling for the web interface
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// - js/app.js: JavaScript client for WebSocket communication and map rendering
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||||
// - aircraft-icon.svg: SVG icon for aircraft markers
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// - icons/*.svg: Type-specific SVG icons for aircraft markers
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||||
// - favicon.ico: Browser icon
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//
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// The embedded filesystem is used by the HTTP server to serve static content
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|
@ -16,11 +16,11 @@ package assets
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|||
import "embed"
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||||
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||||
// Static contains all embedded static web assets from the static/ directory.
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//
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//
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// Files are embedded at build time and can be accessed using the standard
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// fs.FS interface. Path names within the embedded filesystem preserve the
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// directory structure, so files are accessed as:
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// - "static/index.html"
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// - "static/index.html"
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||||
// - "static/css/style.css"
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||||
// - "static/js/app.js"
|
||||
// - etc.
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||||
|
|
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|||
|
|
@ -1,5 +0,0 @@
|
|||
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="#00a8ff" stroke="#ffffff" stroke-width="1">
|
||||
<path d="M12 2l-2 16 2-2 2 2-2-16z"/>
|
||||
<path d="M4 10l8-2-1 2-7 0z"/>
|
||||
<path d="M20 10l-8-2 1 2 7 0z"/>
|
||||
</svg>
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||||
|
Before Width: | Height: | Size: 224 B |
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|
@ -195,8 +195,8 @@ body {
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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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top: 320px;
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right: 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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||||
|
|
@ -417,6 +417,115 @@ body {
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|||
color: #ffffff !important;
|
||||
}
|
||||
|
||||
/* Under Construction Styles */
|
||||
.under-construction {
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||||
color: #ff8c00;
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||||
font-size: 0.8em;
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||||
font-weight: normal;
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||||
margin-left: 8px;
|
||||
}
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||||
|
||||
.construction-notice {
|
||||
background: rgba(255, 140, 0, 0.1);
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||||
border: 1px solid #ff8c00;
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||||
border-radius: 4px;
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||||
padding: 8px;
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||||
margin: 8px 0;
|
||||
font-size: 0.9em;
|
||||
color: #ff8c00;
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||||
text-align: center;
|
||||
}
|
||||
|
||||
/* Toast Notifications */
|
||||
.toast-notification {
|
||||
position: fixed;
|
||||
top: 20px;
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||||
right: 20px;
|
||||
background: rgba(40, 40, 40, 0.95);
|
||||
border: 1px solid #555;
|
||||
border-radius: 6px;
|
||||
padding: 12px 20px;
|
||||
color: #ffffff;
|
||||
font-size: 0.9em;
|
||||
max-width: 300px;
|
||||
z-index: 10000;
|
||||
transform: translateX(320px);
|
||||
transition: transform 0.3s ease-in-out;
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||||
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
|
||||
}
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||||
|
||||
.toast-notification.error {
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||||
border-color: #ff8c00;
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||||
background: rgba(255, 140, 0, 0.1);
|
||||
color: #ff8c00;
|
||||
}
|
||||
|
||||
.toast-notification.show {
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||||
transform: translateX(0);
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||||
}
|
||||
|
||||
/* Version Info */
|
||||
.version-info {
|
||||
font-size: 0.6em;
|
||||
color: #888;
|
||||
font-weight: normal;
|
||||
margin-left: 8px;
|
||||
}
|
||||
|
||||
/* Repository Link */
|
||||
.repo-link {
|
||||
color: #888;
|
||||
text-decoration: none;
|
||||
font-size: 0.7em;
|
||||
margin-left: 6px;
|
||||
opacity: 0.6;
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||||
transition: opacity 0.2s ease, color 0.2s ease;
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||||
}
|
||||
|
||||
.repo-link:hover {
|
||||
color: #4a9eff;
|
||||
opacity: 1;
|
||||
text-decoration: none;
|
||||
}
|
||||
|
||||
/* Collapsible Sections */
|
||||
.collapsible-header {
|
||||
cursor: pointer;
|
||||
user-select: none;
|
||||
display: flex;
|
||||
justify-content: space-between;
|
||||
align-items: center;
|
||||
margin: 0 0 8px 0;
|
||||
padding: 4px 0;
|
||||
border-bottom: 1px solid #444;
|
||||
}
|
||||
|
||||
.collapsible-header:hover {
|
||||
color: #4a9eff;
|
||||
}
|
||||
|
||||
.collapse-indicator {
|
||||
font-size: 0.8em;
|
||||
transition: transform 0.2s ease;
|
||||
color: #888;
|
||||
}
|
||||
|
||||
.collapsible-header.collapsed .collapse-indicator {
|
||||
transform: rotate(-90deg);
|
||||
}
|
||||
|
||||
.collapsible-content {
|
||||
overflow: hidden;
|
||||
transition: max-height 0.3s ease;
|
||||
max-height: 200px;
|
||||
}
|
||||
|
||||
.collapsible-content.collapsed {
|
||||
max-height: 0;
|
||||
margin: 0;
|
||||
padding: 0;
|
||||
}
|
||||
|
||||
.leaflet-popup-tip {
|
||||
background: #2d2d2d !important;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@
|
|||
<body>
|
||||
<div id="app">
|
||||
<header class="header">
|
||||
<h1>SkyView</h1>
|
||||
<h1>SkyView <span class="version-info">v0.0.2</span> <a href="https://kode.naiv.no/olemd/skyview" target="_blank" class="repo-link" title="Project Repository">⚙</a></h1>
|
||||
|
||||
<!-- Status indicators -->
|
||||
<div class="status-section">
|
||||
|
|
@ -81,10 +81,13 @@
|
|||
<button id="toggle-dark-mode" title="Toggle dark/light mode">🌙 Night Mode</button>
|
||||
</div>
|
||||
|
||||
<!-- Display options -->
|
||||
<!-- Options -->
|
||||
<div class="display-options">
|
||||
<h4>Display Options</h4>
|
||||
<div class="option-group">
|
||||
<h4 class="collapsible-header collapsed" id="display-options-header">
|
||||
<span>Options</span>
|
||||
<span class="collapse-indicator">▼</span>
|
||||
</h4>
|
||||
<div class="option-group collapsible-content collapsed" id="display-options-content">
|
||||
<label>
|
||||
<input type="checkbox" id="show-site-positions" checked>
|
||||
<span>Site Positions</span>
|
||||
|
|
@ -205,16 +208,19 @@
|
|||
<canvas id="aircraft-chart"></canvas>
|
||||
</div>
|
||||
<div class="chart-card">
|
||||
<h3>Message Rate by Source</h3>
|
||||
<h3>Message Rate by Source <span class="under-construction">🚧 Under Construction</span></h3>
|
||||
<canvas id="message-chart"></canvas>
|
||||
<div class="construction-notice">This chart is planned but not yet implemented</div>
|
||||
</div>
|
||||
<div class="chart-card">
|
||||
<h3>Signal Strength Distribution</h3>
|
||||
<h3>Signal Strength Distribution <span class="under-construction">🚧 Under Construction</span></h3>
|
||||
<canvas id="signal-chart"></canvas>
|
||||
<div class="construction-notice">This chart is planned but not yet implemented</div>
|
||||
</div>
|
||||
<div class="chart-card">
|
||||
<h3>Altitude Distribution</h3>
|
||||
<h3>Altitude Distribution <span class="under-construction">🚧 Under Construction</span></h3>
|
||||
<canvas id="altitude-chart"></canvas>
|
||||
<div class="construction-notice">This chart is planned but not yet implemented</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
|
@ -233,10 +239,11 @@
|
|||
<!-- 3D Radar View -->
|
||||
<div id="radar3d-view" class="view">
|
||||
<div class="radar3d-controls">
|
||||
<button id="radar3d-reset">Reset View</button>
|
||||
<button id="radar3d-auto-rotate">Auto Rotate</button>
|
||||
<div class="construction-notice">🚧 3D Controls Under Construction</div>
|
||||
<button id="radar3d-reset" disabled>Reset View</button>
|
||||
<button id="radar3d-auto-rotate" disabled>Auto Rotate</button>
|
||||
<label>
|
||||
<input type="range" id="radar3d-range" min="10" max="500" value="100">
|
||||
<input type="range" id="radar3d-range" min="10" max="500" value="100" disabled>
|
||||
Range: <span id="radar3d-range-value">100</span> km
|
||||
</label>
|
||||
</div>
|
||||
|
|
|
|||
|
|
@ -107,6 +107,9 @@ class SkyView {
|
|||
});
|
||||
}
|
||||
|
||||
// Setup collapsible sections
|
||||
this.setupCollapsibleSections();
|
||||
|
||||
const toggleDarkModeBtn = document.getElementById('toggle-dark-mode');
|
||||
if (toggleDarkModeBtn) {
|
||||
toggleDarkModeBtn.addEventListener('click', () => {
|
||||
|
|
@ -458,6 +461,43 @@ class SkyView {
|
|||
// Clean up old trail data, etc.
|
||||
}, 30000);
|
||||
}
|
||||
|
||||
setupCollapsibleSections() {
|
||||
// Setup Display Options collapsible
|
||||
const displayHeader = document.getElementById('display-options-header');
|
||||
const displayContent = document.getElementById('display-options-content');
|
||||
|
||||
if (displayHeader && displayContent) {
|
||||
displayHeader.addEventListener('click', () => {
|
||||
const isCollapsed = displayContent.classList.contains('collapsed');
|
||||
|
||||
if (isCollapsed) {
|
||||
// Expand
|
||||
displayContent.classList.remove('collapsed');
|
||||
displayHeader.classList.remove('collapsed');
|
||||
} else {
|
||||
// Collapse
|
||||
displayContent.classList.add('collapsed');
|
||||
displayHeader.classList.add('collapsed');
|
||||
}
|
||||
|
||||
// Save state to localStorage
|
||||
localStorage.setItem('displayOptionsCollapsed', !isCollapsed);
|
||||
});
|
||||
|
||||
// Restore saved state (default to collapsed)
|
||||
const savedState = localStorage.getItem('displayOptionsCollapsed');
|
||||
const shouldCollapse = savedState === null ? true : savedState === 'true';
|
||||
|
||||
if (shouldCollapse) {
|
||||
displayContent.classList.add('collapsed');
|
||||
displayHeader.classList.add('collapsed');
|
||||
} else {
|
||||
displayContent.classList.remove('collapsed');
|
||||
displayHeader.classList.remove('collapsed');
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize application when DOM is ready
|
||||
|
|
|
|||
|
|
@ -362,6 +362,14 @@ export class AircraftManager {
|
|||
<div class="detail-row">
|
||||
<strong>Type:</strong> ${type}
|
||||
</div>
|
||||
${aircraft.TransponderCapability ? `
|
||||
<div class="detail-row">
|
||||
<strong>Transponder:</strong> ${aircraft.TransponderCapability}
|
||||
</div>` : ''}
|
||||
${aircraft.SignalQuality ? `
|
||||
<div class="detail-row">
|
||||
<strong>Signal Quality:</strong> ${aircraft.SignalQuality}
|
||||
</div>` : ''}
|
||||
|
||||
<div class="detail-grid">
|
||||
<div class="detail-item">
|
||||
|
|
|
|||
|
|
@ -352,8 +352,14 @@ export class MapManager {
|
|||
}
|
||||
|
||||
createHeatmapOverlay(data) {
|
||||
// Simplified heatmap implementation
|
||||
// In production, would use proper heatmap library like Leaflet.heat
|
||||
// 🚧 Under Construction: Heatmap visualization not yet implemented
|
||||
// Planned: Use Leaflet.heat library for proper heatmap rendering
|
||||
console.log('Heatmap overlay requested but not yet implemented');
|
||||
|
||||
// Show user-visible notice
|
||||
if (window.uiManager) {
|
||||
window.uiManager.showError('Heatmap visualization is under construction 🚧');
|
||||
}
|
||||
}
|
||||
|
||||
setSelectedSource(sourceId) {
|
||||
|
|
|
|||
|
|
@ -316,6 +316,22 @@ export class UIManager {
|
|||
|
||||
showError(message) {
|
||||
console.error(message);
|
||||
// Could implement toast notifications here
|
||||
|
||||
// Simple toast notification implementation
|
||||
const toast = document.createElement('div');
|
||||
toast.className = 'toast-notification error';
|
||||
toast.textContent = message;
|
||||
|
||||
// Add to page
|
||||
document.body.appendChild(toast);
|
||||
|
||||
// Show toast with animation
|
||||
setTimeout(() => toast.classList.add('show'), 100);
|
||||
|
||||
// Auto-remove after 5 seconds
|
||||
setTimeout(() => {
|
||||
toast.classList.remove('show');
|
||||
setTimeout(() => document.body.removeChild(toast), 300);
|
||||
}, 5000);
|
||||
}
|
||||
}
|
||||
Binary file not shown.
|
|
@ -5,14 +5,16 @@
|
|||
// in human-readable format on the console.
|
||||
//
|
||||
// Usage:
|
||||
// beast-dump -tcp host:port # Read from TCP socket
|
||||
// beast-dump -file path/to/file # Read from file
|
||||
// beast-dump -verbose # Show detailed message parsing
|
||||
//
|
||||
// beast-dump -tcp host:port # Read from TCP socket
|
||||
// beast-dump -file path/to/file # Read from file
|
||||
// beast-dump -verbose # Show detailed message parsing
|
||||
//
|
||||
// Examples:
|
||||
// beast-dump -tcp svovel:30005 # Connect to dump1090 Beast stream
|
||||
// beast-dump -file beast.test # Parse Beast data from file
|
||||
// beast-dump -tcp localhost:30005 -verbose # Verbose TCP parsing
|
||||
//
|
||||
// beast-dump -tcp svovel:30005 # Connect to dump1090 Beast stream
|
||||
// beast-dump -file beast.test # Parse Beast data from file
|
||||
// beast-dump -tcp localhost:30005 -verbose # Verbose TCP parsing
|
||||
package main
|
||||
|
||||
import (
|
||||
|
|
@ -42,23 +44,23 @@ type BeastDumper struct {
|
|||
parser *beast.Parser
|
||||
decoder *modes.Decoder
|
||||
stats struct {
|
||||
totalMessages int64
|
||||
validMessages int64
|
||||
aircraftSeen map[uint32]bool
|
||||
startTime time.Time
|
||||
lastMessageTime time.Time
|
||||
totalMessages int64
|
||||
validMessages int64
|
||||
aircraftSeen map[uint32]bool
|
||||
startTime time.Time
|
||||
lastMessageTime time.Time
|
||||
}
|
||||
}
|
||||
|
||||
func main() {
|
||||
config := parseFlags()
|
||||
|
||||
|
||||
if config.TCPAddress == "" && config.FilePath == "" {
|
||||
fmt.Fprintf(os.Stderr, "Error: Must specify either -tcp or -file\n")
|
||||
flag.Usage()
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
|
||||
if config.TCPAddress != "" && config.FilePath != "" {
|
||||
fmt.Fprintf(os.Stderr, "Error: Cannot specify both -tcp and -file\n")
|
||||
flag.Usage()
|
||||
|
|
@ -66,7 +68,7 @@ func main() {
|
|||
}
|
||||
|
||||
dumper := NewBeastDumper(config)
|
||||
|
||||
|
||||
if err := dumper.Run(); err != nil {
|
||||
log.Fatalf("Error: %v", err)
|
||||
}
|
||||
|
|
@ -75,12 +77,12 @@ func main() {
|
|||
// parseFlags parses command-line flags and returns configuration
|
||||
func parseFlags() *Config {
|
||||
config := &Config{}
|
||||
|
||||
|
||||
flag.StringVar(&config.TCPAddress, "tcp", "", "TCP address for Beast stream (e.g., localhost:30005)")
|
||||
flag.StringVar(&config.FilePath, "file", "", "File path for Beast data")
|
||||
flag.BoolVar(&config.Verbose, "verbose", false, "Enable verbose output")
|
||||
flag.IntVar(&config.Count, "count", 0, "Maximum messages to process (0 = unlimited)")
|
||||
|
||||
|
||||
flag.Usage = func() {
|
||||
fmt.Fprintf(os.Stderr, "Usage: %s [options]\n", os.Args[0])
|
||||
fmt.Fprintf(os.Stderr, "\nBeast format ADS-B data parser and console dumper\n\n")
|
||||
|
|
@ -91,7 +93,7 @@ func parseFlags() *Config {
|
|||
fmt.Fprintf(os.Stderr, " %s -file beast.test\n", os.Args[0])
|
||||
fmt.Fprintf(os.Stderr, " %s -tcp localhost:30005 -verbose -count 100\n", os.Args[0])
|
||||
}
|
||||
|
||||
|
||||
flag.Parse()
|
||||
return config
|
||||
}
|
||||
|
|
@ -102,11 +104,11 @@ func NewBeastDumper(config *Config) *BeastDumper {
|
|||
config: config,
|
||||
decoder: modes.NewDecoder(0.0, 0.0), // beast-dump doesn't have reference position, use default
|
||||
stats: struct {
|
||||
totalMessages int64
|
||||
validMessages int64
|
||||
aircraftSeen map[uint32]bool
|
||||
startTime time.Time
|
||||
lastMessageTime time.Time
|
||||
totalMessages int64
|
||||
validMessages int64
|
||||
aircraftSeen map[uint32]bool
|
||||
startTime time.Time
|
||||
lastMessageTime time.Time
|
||||
}{
|
||||
aircraftSeen: make(map[uint32]bool),
|
||||
startTime: time.Now(),
|
||||
|
|
@ -118,10 +120,10 @@ func NewBeastDumper(config *Config) *BeastDumper {
|
|||
func (d *BeastDumper) Run() error {
|
||||
fmt.Printf("Beast Data Dumper\n")
|
||||
fmt.Printf("=================\n\n")
|
||||
|
||||
|
||||
var reader io.Reader
|
||||
var closer io.Closer
|
||||
|
||||
|
||||
if d.config.TCPAddress != "" {
|
||||
conn, err := d.connectTCP()
|
||||
if err != nil {
|
||||
|
|
@ -139,34 +141,34 @@ func (d *BeastDumper) Run() error {
|
|||
closer = file
|
||||
fmt.Printf("Reading file: %s\n", d.config.FilePath)
|
||||
}
|
||||
|
||||
|
||||
defer closer.Close()
|
||||
|
||||
|
||||
// Create Beast parser
|
||||
d.parser = beast.NewParser(reader, "beast-dump")
|
||||
|
||||
|
||||
fmt.Printf("Verbose mode: %t\n", d.config.Verbose)
|
||||
if d.config.Count > 0 {
|
||||
fmt.Printf("Message limit: %d\n", d.config.Count)
|
||||
}
|
||||
fmt.Printf("\nStarting Beast data parsing...\n")
|
||||
fmt.Printf("%-8s %-6s %-12s %-8s %-10s %-6s %s\n",
|
||||
fmt.Printf("%-8s %-6s %-12s %-8s %-10s %-6s %s\n",
|
||||
"Time", "ICAO", "Type", "Signal", "Data", "Len", "Decoded")
|
||||
fmt.Printf("%s\n",
|
||||
fmt.Printf("%s\n",
|
||||
"------------------------------------------------------------------------")
|
||||
|
||||
|
||||
return d.parseMessages()
|
||||
}
|
||||
|
||||
// connectTCP establishes TCP connection to Beast stream
|
||||
func (d *BeastDumper) connectTCP() (net.Conn, error) {
|
||||
fmt.Printf("Connecting to %s...\n", d.config.TCPAddress)
|
||||
|
||||
|
||||
conn, err := net.DialTimeout("tcp", d.config.TCPAddress, 10*time.Second)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
||||
return conn, nil
|
||||
}
|
||||
|
||||
|
|
@ -176,14 +178,14 @@ func (d *BeastDumper) openFile() (*os.File, error) {
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
||||
// Check file size
|
||||
stat, err := file.Stat()
|
||||
if err != nil {
|
||||
file.Close()
|
||||
return nil, err
|
||||
}
|
||||
|
||||
|
||||
fmt.Printf("File size: %d bytes\n", stat.Size())
|
||||
return file, nil
|
||||
}
|
||||
|
|
@ -196,7 +198,7 @@ func (d *BeastDumper) parseMessages() error {
|
|||
fmt.Printf("\nReached message limit of %d\n", d.config.Count)
|
||||
break
|
||||
}
|
||||
|
||||
|
||||
// Parse Beast message
|
||||
msg, err := d.parser.ReadMessage()
|
||||
if err != nil {
|
||||
|
|
@ -209,21 +211,21 @@ func (d *BeastDumper) parseMessages() error {
|
|||
}
|
||||
continue
|
||||
}
|
||||
|
||||
|
||||
d.stats.totalMessages++
|
||||
d.stats.lastMessageTime = time.Now()
|
||||
|
||||
|
||||
// Display Beast message info
|
||||
d.displayMessage(msg)
|
||||
|
||||
|
||||
// Decode Mode S data if available
|
||||
if msg.Type == beast.BeastModeS || msg.Type == beast.BeastModeSLong {
|
||||
d.decodeAndDisplay(msg)
|
||||
}
|
||||
|
||||
|
||||
d.stats.validMessages++
|
||||
}
|
||||
|
||||
|
||||
d.displayStatistics()
|
||||
return nil
|
||||
}
|
||||
|
|
@ -231,7 +233,7 @@ func (d *BeastDumper) parseMessages() error {
|
|||
// displayMessage shows basic Beast message information
|
||||
func (d *BeastDumper) displayMessage(msg *beast.Message) {
|
||||
timestamp := msg.ReceivedAt.Format("15:04:05")
|
||||
|
||||
|
||||
// Extract ICAO if available
|
||||
icao := "------"
|
||||
if msg.Type == beast.BeastModeS || msg.Type == beast.BeastModeSLong {
|
||||
|
|
@ -240,18 +242,18 @@ func (d *BeastDumper) displayMessage(msg *beast.Message) {
|
|||
d.stats.aircraftSeen[icaoAddr] = true
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Beast message type
|
||||
typeStr := d.formatMessageType(msg.Type)
|
||||
|
||||
|
||||
// Signal strength
|
||||
signal := msg.GetSignalStrength()
|
||||
signalStr := fmt.Sprintf("%6.1f", signal)
|
||||
|
||||
|
||||
// Data preview
|
||||
dataStr := d.formatDataPreview(msg.Data)
|
||||
|
||||
fmt.Printf("%-8s %-6s %-12s %-8s %-10s %-6d ",
|
||||
|
||||
fmt.Printf("%-8s %-6s %-12s %-8s %-10s %-6d ",
|
||||
timestamp, icao, typeStr, signalStr, dataStr, len(msg.Data))
|
||||
}
|
||||
|
||||
|
|
@ -266,11 +268,11 @@ func (d *BeastDumper) decodeAndDisplay(msg *beast.Message) {
|
|||
}
|
||||
return
|
||||
}
|
||||
|
||||
|
||||
// Display decoded information
|
||||
info := d.formatAircraftInfo(aircraft)
|
||||
fmt.Printf("%s\n", info)
|
||||
|
||||
|
||||
// Verbose details
|
||||
if d.config.Verbose {
|
||||
d.displayVerboseInfo(aircraft, msg)
|
||||
|
|
@ -298,7 +300,7 @@ func (d *BeastDumper) formatDataPreview(data []byte) string {
|
|||
if len(data) == 0 {
|
||||
return ""
|
||||
}
|
||||
|
||||
|
||||
preview := ""
|
||||
for i, b := range data {
|
||||
if i >= 4 { // Show first 4 bytes
|
||||
|
|
@ -306,33 +308,33 @@ func (d *BeastDumper) formatDataPreview(data []byte) string {
|
|||
}
|
||||
preview += fmt.Sprintf("%02X", b)
|
||||
}
|
||||
|
||||
|
||||
if len(data) > 4 {
|
||||
preview += "..."
|
||||
}
|
||||
|
||||
|
||||
return preview
|
||||
}
|
||||
|
||||
// formatAircraftInfo creates a summary of decoded aircraft information
|
||||
func (d *BeastDumper) formatAircraftInfo(aircraft *modes.Aircraft) string {
|
||||
parts := []string{}
|
||||
|
||||
|
||||
// Callsign
|
||||
if aircraft.Callsign != "" {
|
||||
parts = append(parts, fmt.Sprintf("CS:%s", aircraft.Callsign))
|
||||
}
|
||||
|
||||
|
||||
// Position
|
||||
if aircraft.Latitude != 0 || aircraft.Longitude != 0 {
|
||||
parts = append(parts, fmt.Sprintf("POS:%.4f,%.4f", aircraft.Latitude, aircraft.Longitude))
|
||||
}
|
||||
|
||||
|
||||
// Altitude
|
||||
if aircraft.Altitude != 0 {
|
||||
parts = append(parts, fmt.Sprintf("ALT:%dft", aircraft.Altitude))
|
||||
}
|
||||
|
||||
|
||||
// Speed and track
|
||||
if aircraft.GroundSpeed != 0 {
|
||||
parts = append(parts, fmt.Sprintf("SPD:%dkt", aircraft.GroundSpeed))
|
||||
|
|
@ -340,26 +342,26 @@ func (d *BeastDumper) formatAircraftInfo(aircraft *modes.Aircraft) string {
|
|||
if aircraft.Track != 0 {
|
||||
parts = append(parts, fmt.Sprintf("HDG:%d°", aircraft.Track))
|
||||
}
|
||||
|
||||
|
||||
// Vertical rate
|
||||
if aircraft.VerticalRate != 0 {
|
||||
parts = append(parts, fmt.Sprintf("VS:%d", aircraft.VerticalRate))
|
||||
}
|
||||
|
||||
|
||||
// Squawk
|
||||
if aircraft.Squawk != "" {
|
||||
parts = append(parts, fmt.Sprintf("SQ:%s", aircraft.Squawk))
|
||||
}
|
||||
|
||||
|
||||
// Emergency
|
||||
if aircraft.Emergency != "" && aircraft.Emergency != "None" {
|
||||
parts = append(parts, fmt.Sprintf("EMG:%s", aircraft.Emergency))
|
||||
}
|
||||
|
||||
|
||||
if len(parts) == 0 {
|
||||
return "(no data decoded)"
|
||||
}
|
||||
|
||||
|
||||
info := ""
|
||||
for i, part := range parts {
|
||||
if i > 0 {
|
||||
|
|
@ -367,7 +369,7 @@ func (d *BeastDumper) formatAircraftInfo(aircraft *modes.Aircraft) string {
|
|||
}
|
||||
info += part
|
||||
}
|
||||
|
||||
|
||||
return info
|
||||
}
|
||||
|
||||
|
|
@ -377,7 +379,7 @@ func (d *BeastDumper) displayVerboseInfo(aircraft *modes.Aircraft, msg *beast.Me
|
|||
fmt.Printf(" Raw Data: %s\n", d.formatHexData(msg.Data))
|
||||
fmt.Printf(" Timestamp: %s\n", msg.ReceivedAt.Format("15:04:05.000"))
|
||||
fmt.Printf(" Signal: %.2f dBFS\n", msg.GetSignalStrength())
|
||||
|
||||
|
||||
fmt.Printf(" Aircraft Data:\n")
|
||||
if aircraft.Callsign != "" {
|
||||
fmt.Printf(" Callsign: %s\n", aircraft.Callsign)
|
||||
|
|
@ -418,23 +420,23 @@ func (d *BeastDumper) formatHexData(data []byte) string {
|
|||
// displayStatistics shows final parsing statistics
|
||||
func (d *BeastDumper) displayStatistics() {
|
||||
duration := time.Since(d.stats.startTime)
|
||||
|
||||
|
||||
fmt.Printf("\nStatistics:\n")
|
||||
fmt.Printf("===========\n")
|
||||
fmt.Printf("Total messages: %d\n", d.stats.totalMessages)
|
||||
fmt.Printf("Valid messages: %d\n", d.stats.validMessages)
|
||||
fmt.Printf("Unique aircraft: %d\n", len(d.stats.aircraftSeen))
|
||||
fmt.Printf("Duration: %v\n", duration.Round(time.Second))
|
||||
|
||||
|
||||
if d.stats.totalMessages > 0 && duration > 0 {
|
||||
rate := float64(d.stats.totalMessages) / duration.Seconds()
|
||||
fmt.Printf("Message rate: %.1f msg/sec\n", rate)
|
||||
}
|
||||
|
||||
|
||||
if len(d.stats.aircraftSeen) > 0 {
|
||||
fmt.Printf("\nAircraft seen:\n")
|
||||
for icao := range d.stats.aircraftSeen {
|
||||
fmt.Printf(" %06X\n", icao)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,15 +0,0 @@
|
|||
{
|
||||
"server": {
|
||||
"address": ":8080",
|
||||
"port": 8080
|
||||
},
|
||||
"dump1090": {
|
||||
"host": "192.168.1.100",
|
||||
"data_port": 30003
|
||||
},
|
||||
"origin": {
|
||||
"latitude": 37.7749,
|
||||
"longitude": -122.4194,
|
||||
"name": "San Francisco"
|
||||
}
|
||||
}
|
||||
6
debian/DEBIAN/control
vendored
6
debian/DEBIAN/control
vendored
|
|
@ -1,10 +1,10 @@
|
|||
Package: skyview
|
||||
Version: 2.0.0
|
||||
Version: 0.0.2
|
||||
Section: net
|
||||
Priority: optional
|
||||
Architecture: amd64
|
||||
Depends: systemd
|
||||
Maintainer: SkyView Team <admin@skyview.local>
|
||||
Maintainer: Ole-Morten Duesund <glemt.net>
|
||||
Description: Multi-source ADS-B aircraft tracker with Beast format support
|
||||
SkyView is a standalone application that connects to multiple dump1090 Beast
|
||||
format TCP streams and provides a modern web frontend for aircraft tracking.
|
||||
|
|
@ -20,4 +20,4 @@ Description: Multi-source ADS-B aircraft tracker with Beast format support
|
|||
- Mobile-responsive design
|
||||
- Systemd integration for service management
|
||||
- Beast-dump utility for raw ADS-B data analysis
|
||||
Homepage: https://github.com/skyview/skyview
|
||||
Homepage: https://kode.naiv.no/olemd/skyview
|
||||
|
|
|
|||
33
debian/DEBIAN/postinst
vendored
33
debian/DEBIAN/postinst
vendored
|
|
@ -5,35 +5,34 @@ case "$1" in
|
|||
configure)
|
||||
# Create skyview user and group if they don't exist
|
||||
if ! getent group skyview >/dev/null 2>&1; then
|
||||
addgroup --system skyview
|
||||
addgroup --system --quiet skyview
|
||||
fi
|
||||
|
||||
if ! getent passwd skyview >/dev/null 2>&1; then
|
||||
adduser --system --ingroup skyview --home /var/lib/skyview \
|
||||
--no-create-home --disabled-password skyview
|
||||
--no-create-home --disabled-password --quiet skyview
|
||||
fi
|
||||
|
||||
# Create directories with proper permissions
|
||||
mkdir -p /var/lib/skyview
|
||||
mkdir -p /var/log/skyview
|
||||
chown skyview:skyview /var/lib/skyview
|
||||
chown skyview:skyview /var/log/skyview
|
||||
chmod 755 /var/lib/skyview
|
||||
chmod 755 /var/log/skyview
|
||||
mkdir -p /var/lib/skyview /var/log/skyview >/dev/null 2>&1 || true
|
||||
chown skyview:skyview /var/lib/skyview /var/log/skyview >/dev/null 2>&1 || true
|
||||
chmod 755 /var/lib/skyview /var/log/skyview >/dev/null 2>&1 || true
|
||||
|
||||
# Set permissions on config file
|
||||
# Set permissions on config files
|
||||
if [ -f /etc/skyview/config.json ]; then
|
||||
chown root:skyview /etc/skyview/config.json
|
||||
chmod 640 /etc/skyview/config.json
|
||||
chown root:skyview /etc/skyview/config.json >/dev/null 2>&1 || true
|
||||
chmod 640 /etc/skyview/config.json >/dev/null 2>&1 || true
|
||||
fi
|
||||
|
||||
# Enable and start the service
|
||||
systemctl daemon-reload
|
||||
systemctl enable skyview.service
|
||||
|
||||
echo "SkyView has been installed and configured."
|
||||
echo "Edit /etc/skyview/config.json to configure your dump1090 sources."
|
||||
echo "Then run: systemctl start skyview"
|
||||
# Handle systemd service
|
||||
systemctl daemon-reload >/dev/null 2>&1 || true
|
||||
|
||||
# Check if service was previously enabled
|
||||
if systemctl is-enabled skyview >/dev/null 2>&1; then
|
||||
# Service was enabled, restart it
|
||||
systemctl restart skyview >/dev/null 2>&1 || true
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
|
|
|
|||
BIN
debian/usr/bin/beast-dump
vendored
BIN
debian/usr/bin/beast-dump
vendored
Binary file not shown.
6
debian/usr/share/man/man1/beast-dump.1
vendored
6
debian/usr/share/man/man1/beast-dump.1
vendored
|
|
@ -1,4 +1,4 @@
|
|||
.TH BEAST-DUMP 1 "2024-08-24" "SkyView 2.0.0" "User Commands"
|
||||
.TH BEAST-DUMP 1 "2025-08-24" "SkyView 0.0.2" "User Commands"
|
||||
.SH NAME
|
||||
beast-dump \- Utility for analyzing raw ADS-B data in Beast binary format
|
||||
.SH SYNOPSIS
|
||||
|
|
@ -90,6 +90,6 @@ Beast format files typically use .bin or .beast extensions.
|
|||
.BR skyview (1),
|
||||
.BR dump1090 (1)
|
||||
.SH BUGS
|
||||
Report bugs at: https://github.com/skyview/skyview/issues
|
||||
Report bugs at: https://kode.naiv.no/olemd/skyview/issues
|
||||
.SH AUTHOR
|
||||
SkyView Team <admin@skyview.local>
|
||||
Ole-Morten Duesund <glemt.net>
|
||||
6
debian/usr/share/man/man1/skyview.1
vendored
6
debian/usr/share/man/man1/skyview.1
vendored
|
|
@ -1,4 +1,4 @@
|
|||
.TH SKYVIEW 1 "2024-08-24" "SkyView 2.0.0" "User Commands"
|
||||
.TH SKYVIEW 1 "2025-08-24" "SkyView 0.0.2" "User Commands"
|
||||
.SH NAME
|
||||
skyview \- Multi-source ADS-B aircraft tracker with Beast format support
|
||||
.SH SYNOPSIS
|
||||
|
|
@ -83,6 +83,6 @@ Coverage heatmaps and range circles
|
|||
.BR beast-dump (1),
|
||||
.BR dump1090 (1)
|
||||
.SH BUGS
|
||||
Report bugs at: https://github.com/skyview/skyview/issues
|
||||
Report bugs at: https://kode.naiv.no/olemd/skyview/issues
|
||||
.SH AUTHOR
|
||||
SkyView Team <admin@skyview.local>
|
||||
Ole-Morten Duesund <glemt.net>
|
||||
|
|
@ -88,12 +88,12 @@ func NewParser(r io.Reader, sourceID string) *Parser {
|
|||
// ReadMessage reads and parses a single Beast message from the stream.
|
||||
//
|
||||
// The parsing process:
|
||||
// 1. Search for the escape character (0x1A) that marks message start
|
||||
// 2. Read and validate the message type byte
|
||||
// 3. Read the 48-bit timestamp (big-endian, padded to 64-bit)
|
||||
// 4. Read the signal level byte
|
||||
// 5. Read the message payload (length depends on message type)
|
||||
// 6. Process escape sequences in the payload data
|
||||
// 1. Search for the escape character (0x1A) that marks message start
|
||||
// 2. Read and validate the message type byte
|
||||
// 3. Read the 48-bit timestamp (big-endian, padded to 64-bit)
|
||||
// 4. Read the signal level byte
|
||||
// 5. Read the message payload (length depends on message type)
|
||||
// 6. Process escape sequences in the payload data
|
||||
//
|
||||
// The parser can recover from protocol errors by continuing to search for
|
||||
// the next valid message boundary. Status messages are currently skipped
|
||||
|
|
@ -253,7 +253,7 @@ func (msg *Message) GetSignalStrength() float64 {
|
|||
// The ICAO address is a unique 24-bit identifier assigned to each aircraft.
|
||||
// In Mode S messages, it's located in bytes 1-3 of the message payload:
|
||||
// - Byte 1: Most significant 8 bits
|
||||
// - Byte 2: Middle 8 bits
|
||||
// - Byte 2: Middle 8 bits
|
||||
// - Byte 3: Least significant 8 bits
|
||||
//
|
||||
// Mode A/C messages don't contain ICAO addresses and will return an error.
|
||||
|
|
|
|||
|
|
@ -39,15 +39,15 @@ import (
|
|||
// continuously processes incoming messages until stopped or the source
|
||||
// becomes unavailable.
|
||||
type BeastClient struct {
|
||||
source *merger.Source // Source configuration and status
|
||||
merger *merger.Merger // Data merger for multi-source fusion
|
||||
decoder *modes.Decoder // Mode S/ADS-B message decoder
|
||||
conn net.Conn // TCP connection to Beast source
|
||||
parser *beast.Parser // Beast format message parser
|
||||
source *merger.Source // Source configuration and status
|
||||
merger *merger.Merger // Data merger for multi-source fusion
|
||||
decoder *modes.Decoder // Mode S/ADS-B message decoder
|
||||
conn net.Conn // TCP connection to Beast source
|
||||
parser *beast.Parser // Beast format message parser
|
||||
msgChan chan *beast.Message // Buffered channel for parsed messages
|
||||
errChan chan error // Error reporting channel
|
||||
stopChan chan struct{} // Shutdown signal channel
|
||||
wg sync.WaitGroup // Wait group for goroutine coordination
|
||||
errChan chan error // Error reporting channel
|
||||
stopChan chan struct{} // Shutdown signal channel
|
||||
wg sync.WaitGroup // Wait group for goroutine coordination
|
||||
|
||||
// Reconnection parameters
|
||||
reconnectDelay time.Duration // Initial reconnect delay
|
||||
|
|
@ -102,9 +102,9 @@ func (c *BeastClient) Start(ctx context.Context) {
|
|||
// Stop gracefully shuts down the client and all associated goroutines.
|
||||
//
|
||||
// The shutdown process:
|
||||
// 1. Signals all goroutines to stop via stopChan
|
||||
// 2. Closes the TCP connection if active
|
||||
// 3. Waits for all goroutines to complete
|
||||
// 1. Signals all goroutines to stop via stopChan
|
||||
// 2. Closes the TCP connection if active
|
||||
// 3. Waits for all goroutines to complete
|
||||
//
|
||||
// This method blocks until the shutdown is complete.
|
||||
func (c *BeastClient) Stop() {
|
||||
|
|
@ -118,11 +118,11 @@ func (c *BeastClient) Stop() {
|
|||
// run implements the main client connection and reconnection loop.
|
||||
//
|
||||
// This method handles the complete client lifecycle:
|
||||
// 1. Connection establishment with timeout
|
||||
// 2. Exponential backoff on connection failures
|
||||
// 3. Message parsing and processing goroutine management
|
||||
// 4. Connection monitoring and failure detection
|
||||
// 5. Automatic reconnection on disconnection
|
||||
// 1. Connection establishment with timeout
|
||||
// 2. Exponential backoff on connection failures
|
||||
// 3. Message parsing and processing goroutine management
|
||||
// 4. Connection monitoring and failure detection
|
||||
// 5. Automatic reconnection on disconnection
|
||||
//
|
||||
// The exponential backoff starts at reconnectDelay (5s) and doubles on each
|
||||
// failure up to maxReconnect (60s), then resets on successful connection.
|
||||
|
|
@ -210,10 +210,10 @@ func (c *BeastClient) readMessages() {
|
|||
// processMessages runs in a dedicated goroutine to decode and merge aircraft data.
|
||||
//
|
||||
// For each received Beast message, this method:
|
||||
// 1. Decodes the Mode S/ADS-B message payload
|
||||
// 2. Extracts aircraft information (position, altitude, speed, etc.)
|
||||
// 3. Updates the data merger with new aircraft state
|
||||
// 4. Updates source statistics (message count)
|
||||
// 1. Decodes the Mode S/ADS-B message payload
|
||||
// 2. Extracts aircraft information (position, altitude, speed, etc.)
|
||||
// 3. Updates the data merger with new aircraft state
|
||||
// 4. Updates source statistics (message count)
|
||||
//
|
||||
// Invalid or unparseable messages are silently discarded to maintain
|
||||
// system stability. The merger handles data fusion from multiple sources
|
||||
|
|
@ -262,9 +262,9 @@ func (c *BeastClient) processMessages() {
|
|||
// All clients share the same data merger, enabling automatic data fusion
|
||||
// and conflict resolution across multiple receivers.
|
||||
type MultiSourceClient struct {
|
||||
clients []*BeastClient // Managed Beast clients
|
||||
merger *merger.Merger // Shared data merger for all sources
|
||||
mu sync.RWMutex // Protects clients slice
|
||||
clients []*BeastClient // Managed Beast clients
|
||||
merger *merger.Merger // Shared data merger for all sources
|
||||
mu sync.RWMutex // Protects clients slice
|
||||
}
|
||||
|
||||
// NewMultiSourceClient creates a client manager for multiple Beast format sources.
|
||||
|
|
@ -292,9 +292,9 @@ func NewMultiSourceClient(merger *merger.Merger) *MultiSourceClient {
|
|||
// AddSource registers and configures a new Beast format data source.
|
||||
//
|
||||
// This method:
|
||||
// 1. Registers the source with the data merger
|
||||
// 2. Creates a new BeastClient for the source
|
||||
// 3. Adds the client to the managed clients list
|
||||
// 1. Registers the source with the data merger
|
||||
// 2. Creates a new BeastClient for the source
|
||||
// 3. Adds the client to the managed clients list
|
||||
//
|
||||
// The source is not automatically started; call Start() to begin connections.
|
||||
// Sources can be added before or after starting the multi-source client.
|
||||
|
|
|
|||
|
|
@ -30,7 +30,7 @@ type CountryInfo struct {
|
|||
// NewDatabase creates a new ICAO database with comprehensive allocation data
|
||||
func NewDatabase() (*Database, error) {
|
||||
allocations := getICAOAllocations()
|
||||
|
||||
|
||||
// Sort allocations by start address for efficient binary search
|
||||
sort.Slice(allocations, func(i, j int) bool {
|
||||
return allocations[i].StartAddr < allocations[j].StartAddr
|
||||
|
|
@ -265,4 +265,4 @@ func (d *Database) LookupCountry(icaoHex string) (*CountryInfo, error) {
|
|||
// Close is a no-op since we don't have any resources to clean up
|
||||
func (d *Database) Close() error {
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@ package merger
|
|||
import (
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"log"
|
||||
"math"
|
||||
"sync"
|
||||
"time"
|
||||
|
|
@ -33,8 +34,31 @@ import (
|
|||
const (
|
||||
// MaxDistance represents an infinite distance for initialization
|
||||
MaxDistance = float64(999999)
|
||||
|
||||
// Position validation constants
|
||||
MaxSpeedKnots = 2000.0 // Maximum plausible aircraft speed (roughly Mach 3 at cruise altitude)
|
||||
MaxDistanceNautMiles = 500.0 // Maximum position jump distance in nautical miles
|
||||
MaxAltitudeFeet = 60000 // Maximum altitude in feet (commercial ceiling ~FL600)
|
||||
MinAltitudeFeet = -500 // Minimum altitude (below sea level but allow for dead sea, etc.)
|
||||
|
||||
// Earth coordinate bounds
|
||||
MinLatitude = -90.0
|
||||
MaxLatitude = 90.0
|
||||
MinLongitude = -180.0
|
||||
MaxLongitude = 180.0
|
||||
|
||||
// Conversion factors
|
||||
KnotsToKmh = 1.852
|
||||
NmToKm = 1.852
|
||||
)
|
||||
|
||||
// ValidationResult represents the result of position validation checks.
|
||||
type ValidationResult struct {
|
||||
Valid bool // Whether the position passed all validation checks
|
||||
Errors []string // List of validation failures for debugging
|
||||
Warnings []string // List of potential issues (not blocking)
|
||||
}
|
||||
|
||||
// Source represents a data source (dump1090 receiver or similar ADS-B source).
|
||||
// It contains both static configuration and dynamic status information used
|
||||
// for data fusion decisions and source monitoring.
|
||||
|
|
@ -88,30 +112,33 @@ func (a *AircraftState) MarshalJSON() ([]byte, error) {
|
|||
// Create a struct that mirrors AircraftState but with ICAO24 as string
|
||||
return json.Marshal(&struct {
|
||||
// From embedded modes.Aircraft
|
||||
ICAO24 string `json:"ICAO24"`
|
||||
Callsign string `json:"Callsign"`
|
||||
Latitude float64 `json:"Latitude"`
|
||||
Longitude float64 `json:"Longitude"`
|
||||
Altitude int `json:"Altitude"`
|
||||
BaroAltitude int `json:"BaroAltitude"`
|
||||
GeomAltitude int `json:"GeomAltitude"`
|
||||
VerticalRate int `json:"VerticalRate"`
|
||||
GroundSpeed int `json:"GroundSpeed"`
|
||||
Track int `json:"Track"`
|
||||
Heading int `json:"Heading"`
|
||||
Category string `json:"Category"`
|
||||
Squawk string `json:"Squawk"`
|
||||
Emergency string `json:"Emergency"`
|
||||
OnGround bool `json:"OnGround"`
|
||||
Alert bool `json:"Alert"`
|
||||
SPI bool `json:"SPI"`
|
||||
NACp uint8 `json:"NACp"`
|
||||
NACv uint8 `json:"NACv"`
|
||||
SIL uint8 `json:"SIL"`
|
||||
SelectedAltitude int `json:"SelectedAltitude"`
|
||||
SelectedHeading float64 `json:"SelectedHeading"`
|
||||
BaroSetting float64 `json:"BaroSetting"`
|
||||
|
||||
ICAO24 string `json:"ICAO24"`
|
||||
Callsign string `json:"Callsign"`
|
||||
Latitude float64 `json:"Latitude"`
|
||||
Longitude float64 `json:"Longitude"`
|
||||
Altitude int `json:"Altitude"`
|
||||
BaroAltitude int `json:"BaroAltitude"`
|
||||
GeomAltitude int `json:"GeomAltitude"`
|
||||
VerticalRate int `json:"VerticalRate"`
|
||||
GroundSpeed int `json:"GroundSpeed"`
|
||||
Track int `json:"Track"`
|
||||
Heading int `json:"Heading"`
|
||||
Category string `json:"Category"`
|
||||
Squawk string `json:"Squawk"`
|
||||
Emergency string `json:"Emergency"`
|
||||
OnGround bool `json:"OnGround"`
|
||||
Alert bool `json:"Alert"`
|
||||
SPI bool `json:"SPI"`
|
||||
NACp uint8 `json:"NACp"`
|
||||
NACv uint8 `json:"NACv"`
|
||||
SIL uint8 `json:"SIL"`
|
||||
TransponderCapability string `json:"TransponderCapability"`
|
||||
TransponderLevel uint8 `json:"TransponderLevel"`
|
||||
SignalQuality string `json:"SignalQuality"`
|
||||
SelectedAltitude int `json:"SelectedAltitude"`
|
||||
SelectedHeading float64 `json:"SelectedHeading"`
|
||||
BaroSetting float64 `json:"BaroSetting"`
|
||||
|
||||
// From AircraftState
|
||||
Sources map[string]*SourceData `json:"sources"`
|
||||
LastUpdate time.Time `json:"last_update"`
|
||||
|
|
@ -132,30 +159,33 @@ func (a *AircraftState) MarshalJSON() ([]byte, error) {
|
|||
Flag string `json:"flag"`
|
||||
}{
|
||||
// Copy all fields from Aircraft
|
||||
ICAO24: fmt.Sprintf("%06X", a.Aircraft.ICAO24),
|
||||
Callsign: a.Aircraft.Callsign,
|
||||
Latitude: a.Aircraft.Latitude,
|
||||
Longitude: a.Aircraft.Longitude,
|
||||
Altitude: a.Aircraft.Altitude,
|
||||
BaroAltitude: a.Aircraft.BaroAltitude,
|
||||
GeomAltitude: a.Aircraft.GeomAltitude,
|
||||
VerticalRate: a.Aircraft.VerticalRate,
|
||||
GroundSpeed: a.Aircraft.GroundSpeed,
|
||||
Track: a.Aircraft.Track,
|
||||
Heading: a.Aircraft.Heading,
|
||||
Category: a.Aircraft.Category,
|
||||
Squawk: a.Aircraft.Squawk,
|
||||
Emergency: a.Aircraft.Emergency,
|
||||
OnGround: a.Aircraft.OnGround,
|
||||
Alert: a.Aircraft.Alert,
|
||||
SPI: a.Aircraft.SPI,
|
||||
NACp: a.Aircraft.NACp,
|
||||
NACv: a.Aircraft.NACv,
|
||||
SIL: a.Aircraft.SIL,
|
||||
SelectedAltitude: a.Aircraft.SelectedAltitude,
|
||||
SelectedHeading: a.Aircraft.SelectedHeading,
|
||||
BaroSetting: a.Aircraft.BaroSetting,
|
||||
|
||||
ICAO24: fmt.Sprintf("%06X", a.Aircraft.ICAO24),
|
||||
Callsign: a.Aircraft.Callsign,
|
||||
Latitude: a.Aircraft.Latitude,
|
||||
Longitude: a.Aircraft.Longitude,
|
||||
Altitude: a.Aircraft.Altitude,
|
||||
BaroAltitude: a.Aircraft.BaroAltitude,
|
||||
GeomAltitude: a.Aircraft.GeomAltitude,
|
||||
VerticalRate: a.Aircraft.VerticalRate,
|
||||
GroundSpeed: a.Aircraft.GroundSpeed,
|
||||
Track: a.Aircraft.Track,
|
||||
Heading: a.Aircraft.Heading,
|
||||
Category: a.Aircraft.Category,
|
||||
Squawk: a.Aircraft.Squawk,
|
||||
Emergency: a.Aircraft.Emergency,
|
||||
OnGround: a.Aircraft.OnGround,
|
||||
Alert: a.Aircraft.Alert,
|
||||
SPI: a.Aircraft.SPI,
|
||||
NACp: a.Aircraft.NACp,
|
||||
NACv: a.Aircraft.NACv,
|
||||
SIL: a.Aircraft.SIL,
|
||||
TransponderCapability: a.Aircraft.TransponderCapability,
|
||||
TransponderLevel: a.Aircraft.TransponderLevel,
|
||||
SignalQuality: a.Aircraft.SignalQuality,
|
||||
SelectedAltitude: a.Aircraft.SelectedAltitude,
|
||||
SelectedHeading: a.Aircraft.SelectedHeading,
|
||||
BaroSetting: a.Aircraft.BaroSetting,
|
||||
|
||||
// Copy all fields from AircraftState
|
||||
Sources: a.Sources,
|
||||
LastUpdate: a.LastUpdate,
|
||||
|
|
@ -238,7 +268,7 @@ type Merger struct {
|
|||
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
|
||||
historyLimit int // Maximum history points to retain
|
||||
staleTimeout time.Duration // Time before aircraft considered stale (15 seconds)
|
||||
updateMetrics map[uint32]*updateMetric // ICAO24 -> update rate calculation data
|
||||
}
|
||||
|
|
@ -291,13 +321,13 @@ func (m *Merger) AddSource(source *Source) {
|
|||
// UpdateAircraft merges new aircraft data from a source using intelligent fusion strategies.
|
||||
//
|
||||
// This is the core method of the merger, handling:
|
||||
// 1. Aircraft state creation for new aircraft
|
||||
// 2. Source data tracking and statistics
|
||||
// 3. Multi-source data fusion with conflict resolution
|
||||
// 4. Historical data updates with retention limits
|
||||
// 5. Distance and bearing calculations
|
||||
// 6. Update rate metrics
|
||||
// 7. Source status maintenance
|
||||
// 1. Aircraft state creation for new aircraft
|
||||
// 2. Source data tracking and statistics
|
||||
// 3. Multi-source data fusion with conflict resolution
|
||||
// 4. Historical data updates with retention limits
|
||||
// 5. Distance and bearing calculations
|
||||
// 6. Update rate metrics
|
||||
// 7. Source status maintenance
|
||||
//
|
||||
// Data fusion strategies:
|
||||
// - Position: Use source with strongest signal
|
||||
|
|
@ -326,7 +356,7 @@ func (m *Merger) UpdateAircraft(sourceID string, aircraft *modes.Aircraft, signa
|
|||
AltitudeHistory: make([]AltitudePoint, 0),
|
||||
SpeedHistory: make([]SpeedPoint, 0),
|
||||
}
|
||||
|
||||
|
||||
// Lookup country information for new aircraft
|
||||
icaoHex := fmt.Sprintf("%06X", aircraft.ICAO24)
|
||||
if countryInfo, err := m.icaoDB.LookupCountry(icaoHex); err == nil {
|
||||
|
|
@ -339,7 +369,7 @@ func (m *Merger) UpdateAircraft(sourceID string, aircraft *modes.Aircraft, signa
|
|||
state.CountryCode = "XX"
|
||||
state.Flag = "🏳️"
|
||||
}
|
||||
|
||||
|
||||
m.aircraft[aircraft.ICAO24] = state
|
||||
m.updateMetrics[aircraft.ICAO24] = &updateMetric{
|
||||
updates: make([]time.Time, 0),
|
||||
|
|
@ -417,28 +447,46 @@ func (m *Merger) UpdateAircraft(sourceID string, aircraft *modes.Aircraft, signa
|
|||
// - sourceID: Identifier of source providing new data
|
||||
// - timestamp: Timestamp of new data
|
||||
func (m *Merger) mergeAircraftData(state *AircraftState, new *modes.Aircraft, sourceID string, timestamp time.Time) {
|
||||
// Position - use source with best signal or most recent
|
||||
// Position - use source with best signal or most recent, but validate first
|
||||
if new.Latitude != 0 && new.Longitude != 0 {
|
||||
updatePosition := false
|
||||
// Always validate position before considering update
|
||||
validation := m.validatePosition(new, state, timestamp)
|
||||
|
||||
if state.Latitude == 0 {
|
||||
// First position update
|
||||
updatePosition = true
|
||||
} else if srcData, ok := state.Sources[sourceID]; ok {
|
||||
// Use position from source with strongest signal
|
||||
currentBest := m.getBestSignalSource(state)
|
||||
if currentBest == "" || srcData.SignalLevel > state.Sources[currentBest].SignalLevel {
|
||||
updatePosition = true
|
||||
} else if currentBest == sourceID {
|
||||
// Same source as current best - allow updates for moving aircraft
|
||||
if !validation.Valid {
|
||||
// Log validation errors and skip position update
|
||||
icaoHex := fmt.Sprintf("%06X", new.ICAO24)
|
||||
for _, err := range validation.Errors {
|
||||
log.Printf("[POSITION_VALIDATION] ICAO %s: REJECTED position update - %s", icaoHex, err)
|
||||
}
|
||||
} else {
|
||||
// Position is valid, proceed with normal logic
|
||||
updatePosition := false
|
||||
|
||||
if state.Latitude == 0 {
|
||||
// First position update
|
||||
updatePosition = true
|
||||
} else if srcData, ok := state.Sources[sourceID]; ok {
|
||||
// Use position from source with strongest signal
|
||||
currentBest := m.getBestSignalSource(state)
|
||||
if currentBest == "" || srcData.SignalLevel > state.Sources[currentBest].SignalLevel {
|
||||
updatePosition = true
|
||||
} else if currentBest == sourceID {
|
||||
// Same source as current best - allow updates for moving aircraft
|
||||
updatePosition = true
|
||||
}
|
||||
}
|
||||
|
||||
if updatePosition {
|
||||
state.Latitude = new.Latitude
|
||||
state.Longitude = new.Longitude
|
||||
state.PositionSource = sourceID
|
||||
}
|
||||
}
|
||||
|
||||
if updatePosition {
|
||||
state.Latitude = new.Latitude
|
||||
state.Longitude = new.Longitude
|
||||
state.PositionSource = sourceID
|
||||
// Log warnings even if position is valid
|
||||
for _, warning := range validation.Warnings {
|
||||
icaoHex := fmt.Sprintf("%06X", new.ICAO24)
|
||||
log.Printf("[POSITION_VALIDATION] ICAO %s: WARNING - %s", icaoHex, warning)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -509,6 +557,27 @@ func (m *Merger) mergeAircraftData(state *AircraftState, new *modes.Aircraft, so
|
|||
if new.BaroSetting != 0 {
|
||||
state.BaroSetting = new.BaroSetting
|
||||
}
|
||||
|
||||
// Transponder information - use most recent non-empty
|
||||
if new.TransponderCapability != "" {
|
||||
state.TransponderCapability = new.TransponderCapability
|
||||
}
|
||||
if new.TransponderLevel > 0 {
|
||||
state.TransponderLevel = new.TransponderLevel
|
||||
}
|
||||
|
||||
// Signal quality - use most recent non-empty (prefer higher quality assessments)
|
||||
if new.SignalQuality != "" {
|
||||
// Simple quality ordering: Excellent > Good > Fair > Poor
|
||||
shouldUpdate := state.SignalQuality == "" ||
|
||||
(new.SignalQuality == "Excellent") ||
|
||||
(new.SignalQuality == "Good" && state.SignalQuality != "Excellent") ||
|
||||
(new.SignalQuality == "Fair" && state.SignalQuality == "Poor")
|
||||
|
||||
if shouldUpdate {
|
||||
state.SignalQuality = new.SignalQuality
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// updateHistories adds data points to historical tracking arrays.
|
||||
|
|
@ -530,14 +599,31 @@ func (m *Merger) mergeAircraftData(state *AircraftState, new *modes.Aircraft, so
|
|||
// - signal: Signal strength measurement
|
||||
// - timestamp: When this data was received
|
||||
func (m *Merger) updateHistories(state *AircraftState, aircraft *modes.Aircraft, sourceID string, signal float64, timestamp time.Time) {
|
||||
// Position history
|
||||
// Position history with validation
|
||||
if aircraft.Latitude != 0 && aircraft.Longitude != 0 {
|
||||
state.PositionHistory = append(state.PositionHistory, PositionPoint{
|
||||
Time: timestamp,
|
||||
Latitude: aircraft.Latitude,
|
||||
Longitude: aircraft.Longitude,
|
||||
Source: sourceID,
|
||||
})
|
||||
// Validate position before adding to history
|
||||
validation := m.validatePosition(aircraft, state, timestamp)
|
||||
|
||||
if validation.Valid {
|
||||
state.PositionHistory = append(state.PositionHistory, PositionPoint{
|
||||
Time: timestamp,
|
||||
Latitude: aircraft.Latitude,
|
||||
Longitude: aircraft.Longitude,
|
||||
Source: sourceID,
|
||||
})
|
||||
} else {
|
||||
// Log validation errors for debugging
|
||||
icaoHex := fmt.Sprintf("%06X", aircraft.ICAO24)
|
||||
for _, err := range validation.Errors {
|
||||
log.Printf("[POSITION_VALIDATION] ICAO %s: REJECTED - %s", icaoHex, err)
|
||||
}
|
||||
}
|
||||
|
||||
// Log warnings even for valid positions
|
||||
for _, warning := range validation.Warnings {
|
||||
icaoHex := fmt.Sprintf("%06X", aircraft.ICAO24)
|
||||
log.Printf("[POSITION_VALIDATION] ICAO %s: WARNING - %s", icaoHex, warning)
|
||||
}
|
||||
}
|
||||
|
||||
// Signal history
|
||||
|
|
@ -585,10 +671,10 @@ func (m *Merger) updateHistories(state *AircraftState, aircraft *modes.Aircraft,
|
|||
// updateUpdateRate calculates and maintains the message update rate for an aircraft.
|
||||
//
|
||||
// The calculation:
|
||||
// 1. Records the timestamp of each update
|
||||
// 2. Maintains a sliding 30-second window of updates
|
||||
// 3. Calculates updates per second over this window
|
||||
// 4. Updates the aircraft's UpdateRate field
|
||||
// 1. Records the timestamp of each update
|
||||
// 2. Maintains a sliding 30-second window of updates
|
||||
// 3. Calculates updates per second over this window
|
||||
// 4. Updates the aircraft's UpdateRate field
|
||||
//
|
||||
// This provides real-time feedback on data quality and can help identify
|
||||
// aircraft that are updating frequently (close, good signal) vs infrequently
|
||||
|
|
@ -644,10 +730,10 @@ func (m *Merger) getBestSignalSource(state *AircraftState) string {
|
|||
// GetAircraft returns a snapshot of all current aircraft states.
|
||||
//
|
||||
// This method:
|
||||
// 1. Filters out stale aircraft (older than staleTimeout)
|
||||
// 2. Calculates current age for each aircraft
|
||||
// 3. Determines closest receiver distance and bearing
|
||||
// 4. Returns copies to prevent external modification
|
||||
// 1. Filters out stale aircraft (older than staleTimeout)
|
||||
// 2. Calculates current age for each aircraft
|
||||
// 3. Determines closest receiver distance and bearing
|
||||
// 4. Returns copies to prevent external modification
|
||||
//
|
||||
// The returned map uses ICAO24 addresses as keys and can be safely
|
||||
// used by multiple goroutines without affecting the internal state.
|
||||
|
|
@ -809,11 +895,135 @@ func calculateDistanceBearing(lat1, lon1, lat2, lon2 float64) (float64, float64)
|
|||
return distance, bearing
|
||||
}
|
||||
|
||||
// validatePosition performs comprehensive validation of aircraft position data to filter out
|
||||
// obviously incorrect flight paths and implausible position updates.
|
||||
//
|
||||
// This function implements multiple validation checks to improve data quality:
|
||||
//
|
||||
// 1. **Coordinate Validation**: Ensures latitude/longitude are within Earth's bounds
|
||||
// 2. **Altitude Validation**: Rejects impossible altitudes (negative or > FL600)
|
||||
// 3. **Speed Validation**: Calculates implied speed and rejects >Mach 3 movements
|
||||
// 4. **Distance Validation**: Rejects position jumps >500nm without time justification
|
||||
// 5. **Time Validation**: Ensures timestamps are chronologically consistent
|
||||
//
|
||||
// Parameters:
|
||||
// - aircraft: New aircraft position data to validate
|
||||
// - state: Current aircraft state with position history
|
||||
// - timestamp: Timestamp of the new position data
|
||||
//
|
||||
// Returns:
|
||||
// - ValidationResult with valid flag and detailed error/warning messages
|
||||
func (m *Merger) validatePosition(aircraft *modes.Aircraft, state *AircraftState, timestamp time.Time) *ValidationResult {
|
||||
result := &ValidationResult{
|
||||
Valid: true,
|
||||
Errors: make([]string, 0),
|
||||
Warnings: make([]string, 0),
|
||||
}
|
||||
|
||||
// Skip validation if no position data
|
||||
if aircraft.Latitude == 0 && aircraft.Longitude == 0 {
|
||||
return result // No position to validate
|
||||
}
|
||||
|
||||
// 1. Geographic coordinate validation
|
||||
if aircraft.Latitude < MinLatitude || aircraft.Latitude > MaxLatitude {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Invalid latitude: %.6f (must be between %.1f and %.1f)",
|
||||
aircraft.Latitude, MinLatitude, MaxLatitude))
|
||||
}
|
||||
|
||||
if aircraft.Longitude < MinLongitude || aircraft.Longitude > MaxLongitude {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Invalid longitude: %.6f (must be between %.1f and %.1f)",
|
||||
aircraft.Longitude, MinLongitude, MaxLongitude))
|
||||
}
|
||||
|
||||
// 2. Altitude validation
|
||||
if aircraft.Altitude != 0 { // Only validate non-zero altitudes
|
||||
if aircraft.Altitude < MinAltitudeFeet {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Impossible altitude: %d feet (below minimum %d)",
|
||||
aircraft.Altitude, MinAltitudeFeet))
|
||||
}
|
||||
|
||||
if aircraft.Altitude > MaxAltitudeFeet {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Impossible altitude: %d feet (above maximum %d)",
|
||||
aircraft.Altitude, MaxAltitudeFeet))
|
||||
}
|
||||
}
|
||||
|
||||
// 3. Speed and distance validation (requires position history)
|
||||
if len(state.PositionHistory) > 0 && state.Latitude != 0 && state.Longitude != 0 {
|
||||
lastPos := state.PositionHistory[len(state.PositionHistory)-1]
|
||||
|
||||
// Calculate distance between positions
|
||||
distance, _ := calculateDistanceBearing(lastPos.Latitude, lastPos.Longitude,
|
||||
aircraft.Latitude, aircraft.Longitude)
|
||||
|
||||
// Calculate time difference
|
||||
timeDiff := timestamp.Sub(lastPos.Time).Seconds()
|
||||
|
||||
if timeDiff > 0 {
|
||||
// Calculate implied speed in knots
|
||||
distanceNm := distance / NmToKm
|
||||
speedKnots := (distanceNm / timeDiff) * 3600 // Convert to knots per hour
|
||||
|
||||
// Distance validation: reject jumps >500nm
|
||||
if distanceNm > MaxDistanceNautMiles {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Impossible position jump: %.1f nm in %.1f seconds (max allowed: %.1f nm)",
|
||||
distanceNm, timeDiff, MaxDistanceNautMiles))
|
||||
}
|
||||
|
||||
// Speed validation: reject >2000 knots (roughly Mach 3)
|
||||
if speedKnots > MaxSpeedKnots {
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Impossible speed: %.0f knots (max allowed: %.0f knots)",
|
||||
speedKnots, MaxSpeedKnots))
|
||||
}
|
||||
|
||||
// Warning for high but possible speeds (>800 knots)
|
||||
if speedKnots > 800 && speedKnots <= MaxSpeedKnots {
|
||||
result.Warnings = append(result.Warnings, fmt.Sprintf("High speed detected: %.0f knots", speedKnots))
|
||||
}
|
||||
} else if timeDiff < 0 {
|
||||
// 4. Time validation: reject out-of-order timestamps
|
||||
result.Valid = false
|
||||
result.Errors = append(result.Errors, fmt.Sprintf("Out-of-order timestamp: %.1f seconds in the past", -timeDiff))
|
||||
}
|
||||
}
|
||||
|
||||
// 5. Aircraft-specific validations based on reported speed vs. position
|
||||
if aircraft.GroundSpeed > 0 && len(state.PositionHistory) > 0 {
|
||||
// Check if reported ground speed is consistent with position changes
|
||||
lastPos := state.PositionHistory[len(state.PositionHistory)-1]
|
||||
distance, _ := calculateDistanceBearing(lastPos.Latitude, lastPos.Longitude,
|
||||
aircraft.Latitude, aircraft.Longitude)
|
||||
timeDiff := timestamp.Sub(lastPos.Time).Seconds()
|
||||
|
||||
if timeDiff > 0 {
|
||||
distanceNm := distance / NmToKm
|
||||
impliedSpeed := (distanceNm / timeDiff) * 3600
|
||||
reportedSpeed := float64(aircraft.GroundSpeed)
|
||||
|
||||
// Warning if speeds differ significantly (>100 knots difference)
|
||||
if math.Abs(impliedSpeed-reportedSpeed) > 100 && reportedSpeed > 50 {
|
||||
result.Warnings = append(result.Warnings,
|
||||
fmt.Sprintf("Speed inconsistency: reported %d knots, implied %.0f knots",
|
||||
aircraft.GroundSpeed, impliedSpeed))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// 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()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -56,16 +56,16 @@ func validateModeSCRC(data []byte) bool {
|
|||
if len(data) < 4 {
|
||||
return false
|
||||
}
|
||||
|
||||
|
||||
// Calculate CRC for all bytes except the last 3 (which contain the CRC)
|
||||
crc := uint32(0)
|
||||
for i := 0; i < len(data)-3; i++ {
|
||||
crc = ((crc << 8) ^ crcTable[((crc>>16)^uint32(data[i]))&0xFF]) & 0xFFFFFF
|
||||
}
|
||||
|
||||
|
||||
// Extract transmitted CRC from last 3 bytes
|
||||
transmittedCRC := uint32(data[len(data)-3])<<16 | uint32(data[len(data)-2])<<8 | uint32(data[len(data)-1])
|
||||
|
||||
|
||||
return crc == transmittedCRC
|
||||
}
|
||||
|
||||
|
|
@ -107,37 +107,44 @@ const (
|
|||
// depending on the messages received and aircraft capabilities.
|
||||
type Aircraft struct {
|
||||
// Core Identification
|
||||
ICAO24 uint32 // 24-bit ICAO aircraft address (unique identifier)
|
||||
Callsign string // 8-character flight callsign (from identification messages)
|
||||
|
||||
ICAO24 uint32 // 24-bit ICAO aircraft address (unique identifier)
|
||||
Callsign string // 8-character flight callsign (from identification messages)
|
||||
|
||||
// Position and Navigation
|
||||
Latitude float64 // Position latitude in decimal degrees
|
||||
Longitude float64 // Position longitude in decimal degrees
|
||||
Altitude int // Altitude in feet (barometric or geometric)
|
||||
BaroAltitude int // Barometric altitude in feet (QNH corrected)
|
||||
GeomAltitude int // Geometric altitude in feet (GNSS height)
|
||||
|
||||
Latitude float64 // Position latitude in decimal degrees
|
||||
Longitude float64 // Position longitude in decimal degrees
|
||||
Altitude int // Altitude in feet (barometric or geometric)
|
||||
BaroAltitude int // Barometric altitude in feet (QNH corrected)
|
||||
GeomAltitude int // Geometric altitude in feet (GNSS height)
|
||||
|
||||
// Motion and Dynamics
|
||||
VerticalRate int // Vertical rate in feet per minute (climb/descent)
|
||||
GroundSpeed int // Ground speed in knots (integer)
|
||||
Track int // Track angle in degrees (0-359, integer)
|
||||
Heading int // Aircraft heading in degrees (magnetic, integer)
|
||||
|
||||
VerticalRate int // Vertical rate in feet per minute (climb/descent)
|
||||
GroundSpeed int // Ground speed in knots (integer)
|
||||
Track int // Track angle in degrees (0-359, integer)
|
||||
Heading int // Aircraft heading in degrees (magnetic, integer)
|
||||
|
||||
// Aircraft Information
|
||||
Category string // Aircraft category (size, type, performance)
|
||||
Squawk string // 4-digit transponder squawk code (octal)
|
||||
|
||||
Category string // Aircraft category (size, type, performance)
|
||||
Squawk string // 4-digit transponder squawk code (octal)
|
||||
|
||||
// Status and Alerts
|
||||
Emergency string // Emergency/priority status description
|
||||
OnGround bool // Aircraft is on ground (surface movement)
|
||||
Alert bool // Alert flag (ATC attention required)
|
||||
SPI bool // Special Position Identification (pilot activated)
|
||||
|
||||
Emergency string // Emergency/priority status description
|
||||
OnGround bool // Aircraft is on ground (surface movement)
|
||||
Alert bool // Alert flag (ATC attention required)
|
||||
SPI bool // Special Position Identification (pilot activated)
|
||||
|
||||
// Data Quality Indicators
|
||||
NACp uint8 // Navigation Accuracy Category - Position (0-11)
|
||||
NACv uint8 // Navigation Accuracy Category - Velocity (0-4)
|
||||
SIL uint8 // Surveillance Integrity Level (0-3)
|
||||
|
||||
NACp uint8 // Navigation Accuracy Category - Position (0-11)
|
||||
NACv uint8 // Navigation Accuracy Category - Velocity (0-4)
|
||||
SIL uint8 // Surveillance Integrity Level (0-3)
|
||||
|
||||
// Transponder Information
|
||||
TransponderCapability string // Transponder capability level (from DF11 messages)
|
||||
TransponderLevel uint8 // Transponder level (0-7 from capability field)
|
||||
|
||||
// Combined Data Quality Assessment
|
||||
SignalQuality string // Combined assessment of position/velocity accuracy and integrity
|
||||
|
||||
// Autopilot/Flight Management
|
||||
SelectedAltitude int // MCP/FCU selected altitude in feet
|
||||
SelectedHeading float64 // MCP/FCU selected heading in degrees
|
||||
|
|
@ -163,11 +170,11 @@ type Decoder struct {
|
|||
cprOddLon map[uint32]float64 // Odd message longitude encoding (ICAO24 -> normalized lon)
|
||||
cprEvenTime map[uint32]int64 // Timestamp of even message (for freshness comparison)
|
||||
cprOddTime map[uint32]int64 // Timestamp of odd message (for freshness comparison)
|
||||
|
||||
|
||||
// Reference position for CPR zone ambiguity resolution (receiver location)
|
||||
refLatitude float64 // Receiver latitude in decimal degrees
|
||||
refLongitude float64 // Receiver longitude in decimal degrees
|
||||
|
||||
|
||||
// Mutex to protect concurrent access to CPR maps
|
||||
mu sync.RWMutex
|
||||
}
|
||||
|
|
@ -199,10 +206,10 @@ func NewDecoder(refLat, refLon float64) *Decoder {
|
|||
// Decode processes a Mode S message and extracts all available aircraft information.
|
||||
//
|
||||
// This is the main entry point for message decoding. The method:
|
||||
// 1. Validates message length and extracts the Downlink Format (DF)
|
||||
// 2. Extracts the ICAO24 aircraft address
|
||||
// 3. Routes to appropriate decoder based on message type
|
||||
// 4. Returns populated Aircraft struct with available data
|
||||
// 1. Validates message length and extracts the Downlink Format (DF)
|
||||
// 2. Extracts the ICAO24 aircraft address
|
||||
// 3. Routes to appropriate decoder based on message type
|
||||
// 4. Returns populated Aircraft struct with available data
|
||||
//
|
||||
// Different message types provide different information:
|
||||
// - DF4/20: Altitude only
|
||||
|
|
@ -231,14 +238,32 @@ func (d *Decoder) Decode(data []byte) (*Aircraft, error) {
|
|||
}
|
||||
|
||||
switch df {
|
||||
case DF0:
|
||||
// Short Air-Air Surveillance (ACAS)
|
||||
aircraft.Altitude = d.decodeAltitude(data)
|
||||
case DF4, DF20:
|
||||
aircraft.Altitude = d.decodeAltitude(data)
|
||||
case DF5, DF21:
|
||||
aircraft.Squawk = d.decodeSquawk(data)
|
||||
case DF11:
|
||||
// All-Call Reply - extract capability and interrogator identifier
|
||||
d.decodeAllCallReply(data, aircraft)
|
||||
case DF16:
|
||||
// Long Air-Air Surveillance (ACAS with altitude)
|
||||
aircraft.Altitude = d.decodeAltitude(data)
|
||||
case DF17, DF18:
|
||||
return d.decodeExtendedSquitter(data, aircraft)
|
||||
case DF19:
|
||||
// Military Extended Squitter - similar to DF17/18 but with military codes
|
||||
return d.decodeMilitaryExtendedSquitter(data, aircraft)
|
||||
case DF24:
|
||||
// Comm-D Enhanced Length Message - variable length data
|
||||
d.decodeCommD(data, aircraft)
|
||||
}
|
||||
|
||||
// Always try to calculate signal quality at the end of decoding
|
||||
d.calculateSignalQuality(aircraft)
|
||||
|
||||
return aircraft, nil
|
||||
}
|
||||
|
||||
|
|
@ -311,6 +336,12 @@ func (d *Decoder) decodeExtendedSquitter(data []byte, aircraft *Aircraft) (*Airc
|
|||
d.decodeOperationalStatus(data, aircraft)
|
||||
}
|
||||
|
||||
// Set baseline signal quality for ADS-B extended squitter
|
||||
aircraft.SignalQuality = "Good" // ADS-B extended squitter is high quality by default
|
||||
|
||||
// Refine quality based on NACp/NACv/SIL if available
|
||||
d.calculateSignalQuality(aircraft)
|
||||
|
||||
return aircraft, nil
|
||||
}
|
||||
|
||||
|
|
@ -369,10 +400,10 @@ func (d *Decoder) decodeIdentification(data []byte, aircraft *Aircraft) {
|
|||
// - Even/odd flag for CPR decoding
|
||||
//
|
||||
// CPR (Compact Position Reporting) Process:
|
||||
// 1. Extract the even/odd flag and CPR lat/lon values
|
||||
// 2. Normalize CPR values to 0-1 range (divide by 2^17)
|
||||
// 3. Store values for this aircraft's ICAO address
|
||||
// 4. Attempt position decoding if both even and odd messages are available
|
||||
// 1. Extract the even/odd flag and CPR lat/lon values
|
||||
// 2. Normalize CPR values to 0-1 range (divide by 2^17)
|
||||
// 3. Store values for this aircraft's ICAO address
|
||||
// 4. Attempt position decoding if both even and odd messages are available
|
||||
//
|
||||
// The actual position calculation requires both even and odd messages to
|
||||
// resolve the ambiguity inherent in the compressed encoding format.
|
||||
|
|
@ -403,8 +434,20 @@ func (d *Decoder) decodeAirbornePosition(data []byte, aircraft *Aircraft) {
|
|||
}
|
||||
d.mu.Unlock()
|
||||
|
||||
// Extract NACp (Navigation Accuracy Category for Position) from position messages
|
||||
// NACp is embedded in airborne position messages in bits 50-53 (data[6] bits 1-4)
|
||||
if tc >= 9 && tc <= 18 {
|
||||
// For airborne position messages TC 9-18, NACp is encoded in the message
|
||||
aircraft.NACp = uint8(tc - 8) // TC 9->NACp 1, TC 10->NACp 2, etc.
|
||||
// Note: This is a simplified mapping. Real NACp extraction is more complex
|
||||
// but this provides useful position accuracy indication
|
||||
}
|
||||
|
||||
// Try to decode position if we have both even and odd messages
|
||||
d.decodeCPRPosition(aircraft)
|
||||
|
||||
// Calculate signal quality whenever we have position data
|
||||
d.calculateSignalQuality(aircraft)
|
||||
}
|
||||
|
||||
// decodeCPRPosition performs CPR (Compact Position Reporting) global position decoding.
|
||||
|
|
@ -456,7 +499,7 @@ func (d *Decoder) decodeCPRPosition(aircraft *Aircraft) {
|
|||
} else if latEven < -90 {
|
||||
latEven = -180 - latEven
|
||||
}
|
||||
|
||||
|
||||
if latOdd > 90 {
|
||||
latOdd = 180 - latOdd
|
||||
} else if latOdd < -90 {
|
||||
|
|
@ -473,7 +516,7 @@ func (d *Decoder) decodeCPRPosition(aircraft *Aircraft) {
|
|||
// Calculate which decoded latitude is closer to the receiver
|
||||
distToEven := math.Abs(latEven - d.refLatitude)
|
||||
distToOdd := math.Abs(latOdd - d.refLatitude)
|
||||
|
||||
|
||||
// Choose the latitude solution that's closer to the receiver position
|
||||
if distToOdd < distToEven {
|
||||
aircraft.Latitude = latOdd
|
||||
|
|
@ -501,7 +544,7 @@ func (d *Decoder) decodeCPRPosition(aircraft *Aircraft) {
|
|||
}
|
||||
|
||||
aircraft.Longitude = lon
|
||||
|
||||
|
||||
// CPR decoding completed successfully
|
||||
}
|
||||
|
||||
|
|
@ -576,13 +619,13 @@ func (d *Decoder) decodeVelocity(data []byte, aircraft *Aircraft) {
|
|||
|
||||
// Calculate ground speed in knots (rounded to integer)
|
||||
speedKnots := math.Sqrt(ewVel*ewVel + nsVel*nsVel)
|
||||
|
||||
|
||||
// Validate speed range (0-600 knots for civilian aircraft)
|
||||
if speedKnots > 600 {
|
||||
speedKnots = 600 // Cap at reasonable maximum
|
||||
}
|
||||
aircraft.GroundSpeed = int(math.Round(speedKnots))
|
||||
|
||||
|
||||
// Calculate track in degrees (0-359)
|
||||
trackDeg := math.Atan2(ewVel, nsVel) * 180 / math.Pi
|
||||
if trackDeg < 0 {
|
||||
|
|
@ -641,20 +684,20 @@ func (d *Decoder) decodeAltitudeBits(altCode uint16, tc uint8) int {
|
|||
// Standard altitude encoding with 25 ft increments
|
||||
// Check Q-bit (bit 4) for encoding type
|
||||
qBit := (altCode >> 4) & 1
|
||||
|
||||
|
||||
if qBit == 1 {
|
||||
// Standard altitude with Q-bit set
|
||||
// Remove Q-bit and reassemble 11-bit altitude code
|
||||
n := ((altCode & 0x1F80) >> 2) | ((altCode & 0x0020) >> 1) | (altCode & 0x000F)
|
||||
alt := int(n)*25 - 1000
|
||||
|
||||
|
||||
// Validate altitude range
|
||||
if alt < -1000 || alt > 60000 {
|
||||
return 0
|
||||
}
|
||||
return alt
|
||||
}
|
||||
|
||||
|
||||
// Gray code altitude (100 ft increments) - legacy encoding
|
||||
// Convert from Gray code to binary
|
||||
n := altCode
|
||||
|
|
@ -662,7 +705,7 @@ func (d *Decoder) decodeAltitudeBits(altCode uint16, tc uint8) int {
|
|||
n ^= n >> 4
|
||||
n ^= n >> 2
|
||||
n ^= n >> 1
|
||||
|
||||
|
||||
// Convert to altitude in feet
|
||||
alt := int(n&0x7FF) * 100
|
||||
if alt < 0 || alt > 60000 {
|
||||
|
|
@ -835,7 +878,7 @@ func (d *Decoder) decodeTargetState(data []byte, aircraft *Aircraft) {
|
|||
//
|
||||
// Operational status messages (TC 31) contain:
|
||||
// - Navigation Accuracy Category for Position (NACp): Position accuracy
|
||||
// - Navigation Accuracy Category for Velocity (NACv): Velocity accuracy
|
||||
// - Navigation Accuracy Category for Velocity (NACv): Velocity accuracy
|
||||
// - Surveillance Integrity Level (SIL): System integrity confidence
|
||||
//
|
||||
// These parameters help receiving systems assess data quality and determine
|
||||
|
|
@ -849,6 +892,9 @@ func (d *Decoder) decodeOperationalStatus(data []byte, aircraft *Aircraft) {
|
|||
aircraft.NACp = (data[7] >> 4) & 0x0F
|
||||
aircraft.NACv = data[7] & 0x0F
|
||||
aircraft.SIL = (data[8] >> 6) & 0x03
|
||||
|
||||
// Calculate combined signal quality from NACp, NACv, and SIL
|
||||
d.calculateSignalQuality(aircraft)
|
||||
}
|
||||
|
||||
// decodeSurfacePosition extracts position and movement data for aircraft on the ground.
|
||||
|
|
@ -940,3 +986,164 @@ func (d *Decoder) decodeGroundSpeed(movement uint8) float64 {
|
|||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// decodeAllCallReply extracts capability and interrogator identifier from DF11 messages.
|
||||
//
|
||||
// DF11 All-Call Reply messages contain:
|
||||
// - Capability (CA) field (3 bits): transponder capabilities and modes
|
||||
// - Interrogator Identifier (II) field (4 bits): which radar interrogated
|
||||
// - ICAO24 address (24 bits): aircraft identifier
|
||||
//
|
||||
// The capability field indicates transponder features and operational modes:
|
||||
// - 0: Level 1 transponder
|
||||
// - 1: Level 2 transponder
|
||||
// - 2: Level 2+ transponder with additional capabilities
|
||||
// - 3: Level 2+ transponder with enhanced surveillance
|
||||
// - 4: Level 2+ transponder with enhanced surveillance and extended squitter
|
||||
// - 5: Level 2+ transponder with enhanced surveillance, extended squitter, and enhanced surveillance capability
|
||||
// - 6: Level 2+ transponder with enhanced surveillance, extended squitter, and enhanced surveillance capability
|
||||
// - 7: Level 2+ transponder, downlink request value is 0, or the flight status is alert, SPI, or emergency
|
||||
//
|
||||
// Parameters:
|
||||
// - data: 7-byte DF11 message
|
||||
// - aircraft: Aircraft struct to populate
|
||||
func (d *Decoder) decodeAllCallReply(data []byte, aircraft *Aircraft) {
|
||||
if len(data) < 7 {
|
||||
return
|
||||
}
|
||||
|
||||
// Extract Capability (CA) - bits 6-8 of first byte
|
||||
capability := (data[0] >> 0) & 0x07
|
||||
|
||||
// Extract Interrogator Identifier (II) - would be in control field if present
|
||||
// For DF11, this information is typically implied by the interrogating radar
|
||||
|
||||
// Store transponder capability information in dedicated fields
|
||||
aircraft.TransponderLevel = capability
|
||||
switch capability {
|
||||
case 0:
|
||||
aircraft.TransponderCapability = "Level 1"
|
||||
case 1:
|
||||
aircraft.TransponderCapability = "Level 2"
|
||||
case 2, 3:
|
||||
aircraft.TransponderCapability = "Level 2+"
|
||||
case 4, 5, 6:
|
||||
aircraft.TransponderCapability = "Enhanced"
|
||||
case 7:
|
||||
aircraft.TransponderCapability = "Alert/Emergency"
|
||||
}
|
||||
}
|
||||
|
||||
// decodeMilitaryExtendedSquitter processes DF19 military extended squitter messages.
|
||||
//
|
||||
// DF19 messages have the same structure as DF17/18 ADS-B extended squitter but
|
||||
// may contain military-specific type codes or enhanced data formats.
|
||||
// This implementation treats them similarly to civilian extended squitter
|
||||
// but could be extended for military-specific capabilities.
|
||||
//
|
||||
// Parameters:
|
||||
// - data: 14-byte DF19 message
|
||||
// - aircraft: Aircraft struct to populate
|
||||
//
|
||||
// Returns updated Aircraft struct or error for malformed messages.
|
||||
func (d *Decoder) decodeMilitaryExtendedSquitter(data []byte, aircraft *Aircraft) (*Aircraft, error) {
|
||||
if len(data) != 14 {
|
||||
return nil, fmt.Errorf("invalid military extended squitter length: %d bytes", len(data))
|
||||
}
|
||||
|
||||
// For now, treat military extended squitter similar to civilian
|
||||
// Could be enhanced to handle military-specific type codes
|
||||
return d.decodeExtendedSquitter(data, aircraft)
|
||||
}
|
||||
|
||||
// decodeCommD extracts data from DF24 Comm-D Enhanced Length Messages.
|
||||
//
|
||||
// DF24 messages are variable-length data link communications that can contain:
|
||||
// - Weather information and updates
|
||||
// - Flight plan modifications
|
||||
// - Controller-pilot data link messages
|
||||
// - Air traffic management information
|
||||
// - Future air navigation system data
|
||||
//
|
||||
// Due to the complexity and variety of DF24 message content, this implementation
|
||||
// provides basic structure extraction. Full decoding would require extensive
|
||||
// knowledge of specific data link protocols and message formats.
|
||||
//
|
||||
// Parameters:
|
||||
// - data: Variable-length DF24 message (minimum 7 bytes)
|
||||
// - aircraft: Aircraft struct to populate
|
||||
func (d *Decoder) decodeCommD(data []byte, aircraft *Aircraft) {
|
||||
if len(data) < 7 {
|
||||
return
|
||||
}
|
||||
|
||||
// DF24 messages contain variable data that would require protocol-specific decoding
|
||||
// For now, we note that this is a data communication message but don't overwrite aircraft category
|
||||
// Could set a separate field for message type if needed in the future
|
||||
|
||||
// The actual message content would require:
|
||||
// - Protocol identifier extraction
|
||||
// - Message type determination
|
||||
// - Format-specific field extraction
|
||||
// - Possible message reassembly for multi-part messages
|
||||
//
|
||||
// This could be extended based on specific requirements and available documentation
|
||||
}
|
||||
|
||||
// calculateSignalQuality combines NACp, NACv, and SIL into an overall data quality assessment.
|
||||
//
|
||||
// This function provides a human-readable quality indicator that considers:
|
||||
// - Position accuracy (NACp): How precise the aircraft's position data is
|
||||
// - Velocity accuracy (NACv): How precise the speed/heading data is
|
||||
// - Surveillance integrity (SIL): How reliable/trustworthy the data is
|
||||
//
|
||||
// The algorithm prioritizes integrity first (SIL), then position accuracy (NACp),
|
||||
// then velocity accuracy (NACv) to provide a meaningful overall assessment.
|
||||
//
|
||||
// Quality levels:
|
||||
// - "Excellent": High integrity with very precise position/velocity
|
||||
// - "Good": Good integrity with reasonable precision
|
||||
// - "Fair": Moderate quality suitable for tracking
|
||||
// - "Poor": Low quality but still usable
|
||||
// - "Unknown": No quality indicators available
|
||||
//
|
||||
// Parameters:
|
||||
// - aircraft: Aircraft struct containing NACp, NACv, and SIL values
|
||||
func (d *Decoder) calculateSignalQuality(aircraft *Aircraft) {
|
||||
nacp := aircraft.NACp
|
||||
nacv := aircraft.NACv
|
||||
sil := aircraft.SIL
|
||||
|
||||
// If no quality indicators are available, don't set anything
|
||||
if nacp == 0 && nacv == 0 && sil == 0 {
|
||||
// Don't overwrite existing quality assessment
|
||||
return
|
||||
}
|
||||
|
||||
// Excellent: High integrity with high accuracy OR very high accuracy alone
|
||||
if (sil >= 2 && nacp >= 9) || nacp >= 10 {
|
||||
aircraft.SignalQuality = "Excellent"
|
||||
return
|
||||
}
|
||||
|
||||
// Good: Good integrity with moderate accuracy OR high accuracy alone
|
||||
if (sil >= 2 && nacp >= 6) || (sil >= 1 && nacp >= 9) || nacp >= 8 {
|
||||
aircraft.SignalQuality = "Good"
|
||||
return
|
||||
}
|
||||
|
||||
// Fair: Some integrity with basic accuracy OR moderate accuracy alone
|
||||
if (sil >= 1 && nacp >= 3) || nacp >= 5 {
|
||||
aircraft.SignalQuality = "Fair"
|
||||
return
|
||||
}
|
||||
|
||||
// Poor: Low but usable quality indicators
|
||||
if sil > 0 || nacp >= 1 || nacv > 0 {
|
||||
aircraft.SignalQuality = "Poor"
|
||||
return
|
||||
}
|
||||
|
||||
// Default fallback
|
||||
aircraft.SignalQuality = ""
|
||||
}
|
||||
|
|
|
|||
|
|
@ -22,6 +22,7 @@ import (
|
|||
"net/http"
|
||||
"path"
|
||||
"strconv"
|
||||
"strings"
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
|
|
@ -35,8 +36,8 @@ import (
|
|||
// This is used as the center point for the web map interface and for
|
||||
// distance calculations in coverage analysis.
|
||||
type OriginConfig struct {
|
||||
Latitude float64 `json:"latitude"` // Reference latitude in decimal degrees
|
||||
Longitude float64 `json:"longitude"` // Reference longitude in decimal degrees
|
||||
Latitude float64 `json:"latitude"` // Reference latitude in decimal degrees
|
||||
Longitude float64 `json:"longitude"` // Reference longitude in decimal degrees
|
||||
Name string `json:"name,omitempty"` // Descriptive name for the origin point
|
||||
}
|
||||
|
||||
|
|
@ -51,11 +52,12 @@ type OriginConfig struct {
|
|||
// - Concurrent broadcast system for WebSocket clients
|
||||
// - CORS support for cross-origin web applications
|
||||
type Server struct {
|
||||
port int // TCP port for HTTP server
|
||||
merger *merger.Merger // Data source for aircraft information
|
||||
staticFiles embed.FS // Embedded static web assets
|
||||
server *http.Server // HTTP server instance
|
||||
origin OriginConfig // Geographic reference point
|
||||
host string // Bind address for HTTP server
|
||||
port int // TCP port for HTTP server
|
||||
merger *merger.Merger // Data source for aircraft information
|
||||
staticFiles embed.FS // Embedded static web assets
|
||||
server *http.Server // HTTP server instance
|
||||
origin OriginConfig // Geographic reference point
|
||||
|
||||
// WebSocket management
|
||||
wsClients map[*websocket.Conn]bool // Active WebSocket client connections
|
||||
|
|
@ -63,8 +65,8 @@ type Server struct {
|
|||
upgrader websocket.Upgrader // HTTP to WebSocket protocol upgrader
|
||||
|
||||
// Broadcast channels for real-time updates
|
||||
broadcastChan chan []byte // Channel for broadcasting updates to all clients
|
||||
stopChan chan struct{} // Shutdown signal channel
|
||||
broadcastChan chan []byte // Channel for broadcasting updates to all clients
|
||||
stopChan chan struct{} // Shutdown signal channel
|
||||
}
|
||||
|
||||
// WebSocketMessage represents the standard message format for WebSocket communication.
|
||||
|
|
@ -85,7 +87,7 @@ type AircraftUpdate struct {
|
|||
Stats map[string]interface{} `json:"stats"` // System statistics and metrics
|
||||
}
|
||||
|
||||
// NewServer creates a new HTTP server instance for serving the SkyView web interface.
|
||||
// NewWebServer creates a new HTTP server instance for serving the SkyView web interface.
|
||||
//
|
||||
// The server is configured with:
|
||||
// - WebSocket upgrader allowing all origins (suitable for development)
|
||||
|
|
@ -93,14 +95,16 @@ type AircraftUpdate struct {
|
|||
// - Read/Write buffers optimized for aircraft data messages
|
||||
//
|
||||
// Parameters:
|
||||
// - host: Bind address (empty for all interfaces, "localhost" for local only)
|
||||
// - port: TCP port number for the HTTP server
|
||||
// - merger: Data merger instance providing aircraft information
|
||||
// - staticFiles: Embedded filesystem containing web assets
|
||||
// - origin: Geographic reference point for the map interface
|
||||
//
|
||||
// Returns a configured but not yet started server instance.
|
||||
func NewServer(port int, merger *merger.Merger, staticFiles embed.FS, origin OriginConfig) *Server {
|
||||
func NewWebServer(host string, port int, merger *merger.Merger, staticFiles embed.FS, origin OriginConfig) *Server {
|
||||
return &Server{
|
||||
host: host,
|
||||
port: port,
|
||||
merger: merger,
|
||||
staticFiles: staticFiles,
|
||||
|
|
@ -121,9 +125,9 @@ func NewServer(port int, merger *merger.Merger, staticFiles embed.FS, origin Ori
|
|||
// Start begins serving HTTP requests and WebSocket connections.
|
||||
//
|
||||
// This method starts several background routines:
|
||||
// 1. Broadcast routine - handles WebSocket message distribution
|
||||
// 2. Periodic update routine - sends regular updates to WebSocket clients
|
||||
// 3. HTTP server - serves API endpoints and static files
|
||||
// 1. Broadcast routine - handles WebSocket message distribution
|
||||
// 2. Periodic update routine - sends regular updates to WebSocket clients
|
||||
// 3. HTTP server - serves API endpoints and static files
|
||||
//
|
||||
// The method blocks until the server encounters an error or is shut down.
|
||||
// Use Stop() for graceful shutdown.
|
||||
|
|
@ -139,8 +143,15 @@ func (s *Server) Start() error {
|
|||
// Setup routes
|
||||
router := s.setupRoutes()
|
||||
|
||||
// Format address correctly for IPv6
|
||||
addr := fmt.Sprintf("%s:%d", s.host, s.port)
|
||||
if strings.Contains(s.host, ":") {
|
||||
// IPv6 address needs brackets
|
||||
addr = fmt.Sprintf("[%s]:%d", s.host, s.port)
|
||||
}
|
||||
|
||||
s.server = &http.Server{
|
||||
Addr: fmt.Sprintf(":%d", s.port),
|
||||
Addr: addr,
|
||||
Handler: router,
|
||||
}
|
||||
|
||||
|
|
@ -150,9 +161,9 @@ func (s *Server) Start() error {
|
|||
// Stop gracefully shuts down the server and all background routines.
|
||||
//
|
||||
// This method:
|
||||
// 1. Signals all background routines to stop via stopChan
|
||||
// 2. Shuts down the HTTP server with a 5-second timeout
|
||||
// 3. Closes WebSocket connections
|
||||
// 1. Signals all background routines to stop via stopChan
|
||||
// 2. Shuts down the HTTP server with a 5-second timeout
|
||||
// 3. Closes WebSocket connections
|
||||
//
|
||||
// The shutdown is designed to be safe and allow in-flight requests to complete.
|
||||
func (s *Server) Stop() {
|
||||
|
|
@ -206,13 +217,13 @@ func (s *Server) setupRoutes() http.Handler {
|
|||
|
||||
// isAircraftUseful determines if an aircraft has enough data to be useful for the frontend.
|
||||
//
|
||||
// DESIGN NOTE: We WANT reasonable aircraft to appear in our table view, even if they
|
||||
// don't have enough data to appear on the map. This provides users visibility into
|
||||
// DESIGN NOTE: We WANT reasonable aircraft to appear in our table view, even if they
|
||||
// don't have enough data to appear on the map. This provides users visibility into
|
||||
// all tracked aircraft, not just those with complete position data.
|
||||
//
|
||||
// Aircraft are considered useful if they have ANY of:
|
||||
// - Valid position data (both latitude and longitude non-zero) -> Can show on map
|
||||
// - Callsign (flight identification) -> Can show in table with "No position" status
|
||||
// - Callsign (flight identification) -> Can show in table with "No position" status
|
||||
// - Altitude information -> Can show in table as "Aircraft at X feet"
|
||||
// - Any other identifying information that makes it a "real" aircraft
|
||||
//
|
||||
|
|
@ -224,7 +235,7 @@ func (s *Server) isAircraftUseful(aircraft *merger.AircraftState) bool {
|
|||
hasCallsign := aircraft.Callsign != ""
|
||||
hasAltitude := aircraft.Altitude != 0
|
||||
hasSquawk := aircraft.Squawk != ""
|
||||
|
||||
|
||||
// Include aircraft with any identifying or operational data
|
||||
return hasValidPosition || hasCallsign || hasAltitude || hasSquawk
|
||||
}
|
||||
|
|
@ -382,10 +393,10 @@ func (s *Server) handleGetCoverage(w http.ResponseWriter, r *http.Request) {
|
|||
// Generates a grid-based heatmap visualization of signal coverage for a specific source.
|
||||
//
|
||||
// The heatmap is computed by:
|
||||
// 1. Finding geographic bounds of all aircraft positions for the source
|
||||
// 2. Creating a 100x100 grid covering the bounds
|
||||
// 3. Accumulating signal strength values in each grid cell
|
||||
// 4. Returning the grid data with boundary coordinates
|
||||
// 1. Finding geographic bounds of all aircraft positions for the source
|
||||
// 2. Creating a 100x100 grid covering the bounds
|
||||
// 3. Accumulating signal strength values in each grid cell
|
||||
// 4. Returning the grid data with boundary coordinates
|
||||
//
|
||||
// This provides a density-based visualization of where the source receives
|
||||
// the strongest signals, useful for coverage analysis and antenna optimization.
|
||||
|
|
@ -456,11 +467,11 @@ func (s *Server) handleGetHeatmap(w http.ResponseWriter, r *http.Request) {
|
|||
// handleWebSocket manages WebSocket connections for real-time aircraft data streaming.
|
||||
//
|
||||
// This handler:
|
||||
// 1. Upgrades the HTTP connection to WebSocket protocol
|
||||
// 2. Registers the client for broadcast updates
|
||||
// 3. Sends initial data snapshot to the client
|
||||
// 4. Handles client messages (currently just ping/pong for keepalive)
|
||||
// 5. Cleans up the connection when the client disconnects
|
||||
// 1. Upgrades the HTTP connection to WebSocket protocol
|
||||
// 2. Registers the client for broadcast updates
|
||||
// 3. Sends initial data snapshot to the client
|
||||
// 4. Handles client messages (currently just ping/pong for keepalive)
|
||||
// 5. Cleans up the connection when the client disconnects
|
||||
//
|
||||
// WebSocket clients receive periodic updates with current aircraft positions,
|
||||
// source status, and system statistics. The connection is kept alive until
|
||||
|
|
@ -588,11 +599,11 @@ func (s *Server) periodicUpdateRoutine() {
|
|||
// broadcastUpdate creates and queues an aircraft update message for WebSocket clients.
|
||||
//
|
||||
// This function:
|
||||
// 1. Collects current aircraft data from the merger
|
||||
// 2. Filters aircraft to only include "useful" ones (with position or callsign)
|
||||
// 3. Formats the data as a WebSocketMessage with type "aircraft_update"
|
||||
// 4. Converts ICAO addresses to hex strings for JSON compatibility
|
||||
// 5. Queues the message for broadcast (non-blocking)
|
||||
// 1. Collects current aircraft data from the merger
|
||||
// 2. Filters aircraft to only include "useful" ones (with position or callsign)
|
||||
// 3. Formats the data as a WebSocketMessage with type "aircraft_update"
|
||||
// 4. Converts ICAO addresses to hex strings for JSON compatibility
|
||||
// 5. Queues the message for broadcast (non-blocking)
|
||||
//
|
||||
// If the broadcast channel is full, the update is dropped to prevent blocking.
|
||||
// This ensures the system continues operating even if WebSocket clients
|
||||
|
|
@ -769,11 +780,11 @@ func (s *Server) handleDebugAircraft(w http.ResponseWriter, r *http.Request) {
|
|||
}
|
||||
|
||||
response := map[string]interface{}{
|
||||
"timestamp": time.Now().Unix(),
|
||||
"all_aircraft": allAircraftMap,
|
||||
"timestamp": time.Now().Unix(),
|
||||
"all_aircraft": allAircraftMap,
|
||||
"filtered_aircraft": filteredAircraftMap,
|
||||
"all_count": len(allAircraftMap),
|
||||
"filtered_count": len(filteredAircraftMap),
|
||||
"all_count": len(allAircraftMap),
|
||||
"filtered_count": len(filteredAircraftMap),
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
|
|
|
|||
BIN
main
BIN
main
Binary file not shown.
15
old.json
15
old.json
|
|
@ -1,15 +0,0 @@
|
|||
{
|
||||
"server": {
|
||||
"address": ":8080",
|
||||
"port": 8080
|
||||
},
|
||||
"dump1090": {
|
||||
"host": "svovel",
|
||||
"data_port": 30003
|
||||
},
|
||||
"origin": {
|
||||
"latitude": 59.908127,
|
||||
"longitude": 10.801460,
|
||||
"name": "Etterstadsletta flyplass"
|
||||
}
|
||||
}
|
||||
|
|
@ -34,25 +34,40 @@ mkdir -p "$BUILD_DIR"
|
|||
# Change to project directory
|
||||
cd "$PROJECT_DIR"
|
||||
|
||||
# Build the application
|
||||
echo_info "Building SkyView application..."
|
||||
# Build the applications
|
||||
echo_info "Building SkyView applications..."
|
||||
export CGO_ENABLED=0
|
||||
export GOOS=linux
|
||||
export GOARCH=amd64
|
||||
|
||||
go build -ldflags="-w -s -X main.version=$(git describe --tags --always --dirty)" \
|
||||
-o "$DEB_DIR/usr/bin/skyview" \
|
||||
./cmd/skyview
|
||||
VERSION=$(git describe --tags --always --dirty)
|
||||
LDFLAGS="-w -s -X main.version=$VERSION"
|
||||
|
||||
if [ $? -ne 0 ]; then
|
||||
echo_error "Failed to build application"
|
||||
# Build main skyview binary
|
||||
echo_info "Building skyview..."
|
||||
if ! go build -ldflags="$LDFLAGS" \
|
||||
-o "$DEB_DIR/usr/bin/skyview" \
|
||||
./cmd/skyview; then
|
||||
echo_error "Failed to build skyview"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo_info "Built binary: $(file "$DEB_DIR/usr/bin/skyview")"
|
||||
# Build beast-dump utility
|
||||
echo_info "Building beast-dump..."
|
||||
if ! go build -ldflags="$LDFLAGS" \
|
||||
-o "$DEB_DIR/usr/bin/beast-dump" \
|
||||
./cmd/beast-dump; then
|
||||
echo_error "Failed to build beast-dump"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Set executable permission
|
||||
echo_info "Built binaries:"
|
||||
echo_info " skyview: $(file "$DEB_DIR/usr/bin/skyview")"
|
||||
echo_info " beast-dump: $(file "$DEB_DIR/usr/bin/beast-dump")"
|
||||
|
||||
# Set executable permissions
|
||||
chmod +x "$DEB_DIR/usr/bin/skyview"
|
||||
chmod +x "$DEB_DIR/usr/bin/beast-dump"
|
||||
|
||||
# Get package info
|
||||
VERSION=$(grep "Version:" "$DEB_DIR/DEBIAN/control" | cut -d' ' -f2)
|
||||
|
|
@ -69,9 +84,7 @@ sed -i "s/Installed-Size:.*/Installed-Size: $INSTALLED_SIZE/" "$DEB_DIR/DEBIAN/c
|
|||
echo "Installed-Size: $INSTALLED_SIZE" >> "$DEB_DIR/DEBIAN/control"
|
||||
|
||||
# Build the package
|
||||
dpkg-deb --build "$DEB_DIR" "$BUILD_DIR/$DEB_FILE"
|
||||
|
||||
if [ $? -eq 0 ]; then
|
||||
if dpkg-deb --root-owner-group --build "$DEB_DIR" "$BUILD_DIR/$DEB_FILE"; then
|
||||
echo_info "Successfully created: $BUILD_DIR/$DEB_FILE"
|
||||
|
||||
# Show package info
|
||||
|
|
|
|||
BIN
ux.png
BIN
ux.png
Binary file not shown.
|
Before Width: | Height: | Size: 102 KiB |
Loading…
Add table
Add a link
Reference in a new issue