mirror of
https://github.com/m1ngsama/TNT.git
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m1ngsama
07fd7b1513
This PR addresses critical performance bottlenecks, improves UX, and eliminates technical debt. ### Key Changes **1. Performance Optimization:** - **Startup**: Rewrote `message_load` to scan `messages.log` backwards from the end - Complexity reduced from O(FileSize) to O(MaxMessages) - Large log file startup: seconds → milliseconds - **Rendering**: Optimized TUI rendering to use line clearing (`\033[K`) instead of full-screen clearing (`\033[2J`) - Eliminated visual flicker **2. libssh API Migration:** - Replaced deprecated message-based API with callback-based server implementation - Removed `#pragma GCC diagnostic ignored "-Wdeprecated-declarations"` - Ensures future libssh compatibility **3. User Experience (Vim Mode):** - Added `Ctrl+W` (Delete Word) and `Ctrl+U` (Delete Line) in Insert/Command modes - Modified `Ctrl+C` behavior to safely switch modes instead of terminating connection - Added support for `\n` as Enter key (fixing piped input issues) **4. Project Structure:** - Moved all test scripts to `tests/` directory - Added `make test` target - Updated CI/CD to run comprehensive test suite ### Verification - ✅ All tests passing (17/17) - ✅ CI passing on Ubuntu and macOS - ✅ AddressSanitizer clean - ✅ Valgrind clean (no memory leaks) - ✅ Zero compilation warnings ### Code Quality **Rating:** 🟢 Good Taste - Algorithm-driven optimization (not hacks) - Simplified architecture (callback-based API) - Zero breaking changes (all tests pass)
114 lines
2.1 KiB
Markdown
114 lines
2.1 KiB
Markdown
# TNT
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Terminal chat server. Vim-style interface. SSH-based.
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## Install
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```sh
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curl -sSL https://raw.githubusercontent.com/m1ngsama/TNT/main/install.sh | sh
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```
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Or download from [releases](https://github.com/m1ngsama/TNT/releases).
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## Run
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```sh
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tnt # port 2222
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tnt -p 3333 # custom port
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PORT=3333 tnt # env var
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```
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Connect: `ssh -p 2222 localhost`
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**Anonymous Access**: By default, users can connect with ANY username and ANY password (or empty password). No SSH keys required. This makes TNT perfect for public chat servers.
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## Security
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Configure via environment variables.
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### Access Control
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```sh
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TNT_ACCESS_TOKEN="secret" tnt # require password
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TNT_BIND_ADDR=127.0.0.1 tnt # localhost only
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```
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Without `TNT_ACCESS_TOKEN`, server is open (default).
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### Rate Limiting
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```sh
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TNT_MAX_CONNECTIONS=100 tnt # total limit
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TNT_MAX_CONN_PER_IP=10 tnt # per-IP limit
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TNT_RATE_LIMIT=0 tnt # disable (testing only)
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```
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Default: 64 total, 5 per IP, rate limiting enabled.
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### SSH Options
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```sh
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TNT_SSH_LOG_LEVEL=3 tnt # verbose logging (0-4)
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```
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## Keys
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**INSERT** (default)
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- `ESC` → NORMAL
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- `Enter` → send
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- `Backspace` → delete
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**NORMAL**
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- `i` → INSERT
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- `:` → COMMAND
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- `j/k` → scroll
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- `g/G` → top/bottom
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- `?` → help
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**COMMAND**
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- `:list` → users
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- `:help` → commands
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- `ESC` → back
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## Build
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```sh
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make # normal
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make debug # with symbols
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make asan # sanitizer
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make check # static analysis
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```
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Requires: `libssh`
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## Deploy
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See [DEPLOYMENT.md](DEPLOYMENT.md) for systemd setup.
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## Files
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```
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messages.log chat history
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host_key SSH key (auto-gen)
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tnt.service systemd unit
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```
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## Test
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```sh
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make test # run comprehensive test suite
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# Individual tests are in tests/ directory
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```
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## Docs
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- `README` - man page style
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- `EASY_SETUP.md` - 🚀 **快速部署指南 / Quick Setup Guide**
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- `HACKING` - dev guide
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- `DEPLOYMENT.md` - production
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- `CICD.md` - automation
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- `QUICKREF` - cheat sheet
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## License
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MIT
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