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1 changed files with 5 additions and 5 deletions
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ais_query.sh
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@ -11,8 +11,8 @@ WEBSOCKET_URL="wss://stream.aisstream.io/v0/stream"
# Default bounding box (worldwide coverage) # Default bounding box (worldwide coverage)
# Format: [[lat1, lon1], [lat2, lon2]] # Format: [[lat1, lon1], [lat2, lon2]]
# Current setting covers the entire world # Current setting covers the entire world
BOUNDING_BOX='[[[-90,0],[5,60]]]' #BOUNDING_BOX='[[[-90,0],[5,60]]]'
#BOUNDING_BOX='[[[-90, -180], [90, 180]]]' BOUNDING_BOX='[[[-90, -180], [90, 180]]]'
# Optional: Filter by specific ship MMSI numbers (up to 50) # Optional: Filter by specific ship MMSI numbers (up to 50)
# Leave empty for all ships # Leave empty for all ships
@ -25,7 +25,7 @@ MESSAGE_TYPE_FILTER='["PositionReport"]'
# Output file for logging (optional) # Output file for logging (optional)
DateFichier=$(date +"%Y%m%d-%H%M%S") DateFichier=$(date +"%Y%m%d-%H%M%S")
dir=$(dirname $0) dir=$(dirname $0)
OUTPUT_FILE="$dir/data/raw_ais_$DateFichier.log" OUTPUT_FILE="$dir/raw_ais_$DateFichier.log"
# Function to display usage information # Function to display usage information
show_usage() { show_usage() {
@ -165,7 +165,7 @@ echo "Message Types: $MESSAGE_TYPE_FILTER"
if [ -n "$OUTPUT_FILE" ]; then if [ -n "$OUTPUT_FILE" ]; then
echo "Output File: $OUTPUT_FILE" echo "Output File: $OUTPUT_FILE"
# Create output file with timestamp header # Create output file with timestamp header
#echo "# AIS Stream Data - $(date)" > "$OUTPUT_FILE" echo "# AIS Stream Data - $(date)" > "$OUTPUT_FILE"
fi fi
echo "Press Ctrl+C to stop..." echo "Press Ctrl+C to stop..."
echo "----------------------------------------" echo "----------------------------------------"
@ -184,4 +184,4 @@ trap cleanup EXIT INT TERM
SUBSCRIPTION_MSG=$(create_subscription_message) SUBSCRIPTION_MSG=$(create_subscription_message)
# Connect to websocket and send subscription message # Connect to websocket and send subscription message
echo "$SUBSCRIPTION_MSG" | websocat -n --text - -H "Sec-WebSocket-Protocol: json" -v autoreconnect:"$WEBSOCKET_URL" | process_message echo "$SUBSCRIPTION_MSG" | websocat -n -H "Sec-WebSocket-Protocol: json" -v "$WEBSOCKET_URL" - | process_message