40560ef6dd
Update USAGE, CHEATSHEET, README, PROJECT, and TASKS for the three performance improvements: max_connections semaphore, async HTTP source fetching, and first-hop TCP connection pool.
130 lines
3.5 KiB
Markdown
130 lines
3.5 KiB
Markdown
# s5p -- Cheatsheet
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## CLI
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```
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s5p # direct, listen :1080
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s5p -C socks5://127.0.0.1:9050 # through Tor
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s5p -C socks5://tor:9050,http://px:8080 # Tor + HTTP proxy
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s5p -c config/s5p.yaml # from config file
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s5p -l 0.0.0.0:9999 # custom listen address
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s5p -t 30 # 30s per-hop timeout
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s5p -v # debug logging
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s5p -q # errors only
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s5p -S http://api:8081/proxies # proxy source API
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s5p -r 5 # retry up to 5 proxies
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s5p -m 512 # max concurrent connections
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s5p --cprofile # profile to s5p.prof
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s5p --cprofile out.prof # profile to custom file
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```
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## Container
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```
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make build # podman-compose build
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make up # podman-compose up -d
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make logs # podman-compose logs -f
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make down # podman-compose down
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```
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Volumes: `./src` (ro), `./config/s5p.yaml` (ro), `~/.cache/s5p` → `/data` (pool state + profiles)
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## Config
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```bash
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cp config/example.yaml config/s5p.yaml # create live config (gitignored)
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```
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## Performance Tuning (config)
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```yaml
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max_connections: 256 # concurrent connection cap
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pool_size: 8 # pre-warmed TCP conns to first hop (0 = off)
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pool_max_idle: 30 # evict idle pooled conns (seconds)
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```
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## Proxy Pool (config)
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```yaml
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proxy_pool:
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sources:
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- url: http://10.200.1.250:8081/proxies
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proto: socks5
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limit: 1000
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- file: /etc/s5p/proxies.txt
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refresh: 300 # re-fetch interval
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test_interval: 120 # health test cycle
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max_fails: 3 # evict after N fails
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report_url: "" # POST dead proxies (optional)
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```
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## Hot Reload
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```bash
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kill -HUP $(pidof s5p) # reload config
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podman kill --signal HUP s5p # container reload
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```
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## Proxy File Format
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```
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# one proxy URL per line
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socks5://1.2.3.4:1080
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socks5://user:pass@5.6.7.8:1080
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http://proxy.example.com:8080
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```
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## Proxy URLs
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```
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socks5://host:port
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socks5://user:pass@host:port
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socks4://host:port
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http://host:port
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http://user:pass@host:port
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```
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## Testing
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```bash
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# Check exit IP
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curl -x socks5h://127.0.0.1:1080 https://httpbin.org/ip
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# Tor check
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curl -x socks5h://127.0.0.1:1080 https://check.torproject.org/api/ip
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# Verbose curl
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curl -v -x socks5h://127.0.0.1:1080 https://example.com
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# With timeout
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curl --max-time 30 -x socks5h://127.0.0.1:1080 https://example.com
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```
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## Profiling
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```bash
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# Enable in compose.yaml: uncomment the command line
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python -m pstats s5p.prof # interactive stats viewer
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python -m pstats ~/.cache/s5p/s5p.prof # container profile output
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```
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## Metrics Log
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```
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metrics: conn=142 ok=98 fail=44 retries=88 active=3 in=1.2M out=4.5M up=0h05m12s pool=42/65
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```
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## Troubleshooting
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| Symptom | Check |
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| Connection refused | Is Tor running? `ss -tlnp \| grep 9050` |
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| Timeout | Increase `-t`, check proxy reachability |
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| DNS leak | Use `socks5h://` (not `socks5://`) in client |
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| Auth failed | Verify credentials in proxy URL |
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| Port in use | `fuser -k 1080/tcp` to free the port |
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| Container slow stop | Rebuild image after SIGTERM fix |
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| Proxy keeps failing | Backoff penalizes for 60s; check `pool=` in metrics |
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| "static chain unreachable" | Tor/upstream hop is down; pool tests skipped |
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| Slow startup | Normal on cold start; warm restarts use state file |
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