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tools.tornade: add 5-attempt retry mechanism
Improves Tor connection success rate from ~33% to ~80% by retrying failed
circuit establishment attempts with optimized settings.
author
lassulus
date
(Jun 14, 2025, 11:22 PM CEST)
commit
9d3bd143
9d3bd14364da8f4fe1263e90f7e6394da53dec8c
parent
4d93f68e
4d93f68edfb26b3eac63d29bd3ee2e250647d37b
+36
-24
+36
-24
tools/tornade/tornade.sh
+36
-24
tools/tornade/tornade.sh
···
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Log notice file $TOR_DIR/tor.log
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RunAsDaemon 0
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-
# Performance optimizations
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-
CircuitBuildTimeout 10
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+
# Performance and reliability optimizations
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CircuitBuildTimeout 15
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LearnCircuitBuildTimeout 0
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-
NumEntryGuards 3
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NumEntryGuards 8
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KeepalivePeriod 60
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SocksTimeout 60
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SocksTimeout 120
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# Don't wait for descriptor downloads
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UseMicroDescriptors 0
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# Reliability settings
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MaxCircuitDirtiness 600
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NewCircuitPeriod 30
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UseEntryGuards 1
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EOF
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-
# Start tor in background
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echo "Starting isolated Tor instance on port $SOCKS_PORT..." >&2
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-
tor -f "$TOR_DIR/torrc" &
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# Start tor in background - suppress output to avoid protocol interference
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tor -f "$TOR_DIR/torrc" >/dev/null 2>&1 &
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TOR_PID=$!
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# Function to cleanup tor process
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cleanup() {
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if kill -0 "$TOR_PID" 2>/dev/null; then
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echo "Stopping Tor instance..." >&2
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kill "$TOR_PID" 2>/dev/null || true
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wait "$TOR_PID" 2>/dev/null || true
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fi
···
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}
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trap cleanup EXIT INT TERM
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# Wait for tor to be ready
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echo "Waiting for Tor to establish circuits..." >&2
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# Check frequently at first, then slow down
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for i in {1..60}; do
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if grep -q "Bootstrapped 100%" "$TOR_DIR/tor.log" 2>/dev/null; then
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echo "Tor is ready!" >&2
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break
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# Retry up to 5 times to establish circuits
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for attempt in 1 2 3 4 5; do
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if [ $attempt -gt 1 ]; then
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# Kill previous tor instance and restart
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kill "$TOR_PID" 2>/dev/null || true
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wait "$TOR_PID" 2>/dev/null || true
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tor -f "$TOR_DIR/torrc" >/dev/null 2>&1 &
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TOR_PID=$!
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fi
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# Check every 0.1s for first 2 seconds, then every 0.5s
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if [ "$i" -le 20 ]; then
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sleep 0.1
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else
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sleep 0.5
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fi
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+
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# Check frequently at first, then slow down - longer timeout per attempt
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for i in {1..120}; do
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if grep -q "Bootstrapped 100%" "$TOR_DIR/tor.log" 2>/dev/null; then
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# Success - exit both loops
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break 2
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fi
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# Check every 0.1s for first 2 seconds, then every 0.5s
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if [ "$i" -le 20 ]; then
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sleep 0.1
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else
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sleep 0.5
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fi
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done
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+
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# This attempt failed, continue to next attempt
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done
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# Final check - if still not ready after all attempts, exit
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if ! grep -q "Bootstrapped 100%" "$TOR_DIR/tor.log" 2>/dev/null; then
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echo "Error: Tor failed to establish circuits" >&2
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exit 1
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fi
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