- 阶段1: 消息类型序列化 (Serialize/Deserialize, &'static str → String) - 阶段2: FFI 边界类型 + Plugin SDK (plugin_abi, showen-plugin-sdk crate) - 阶段3: PluginLoader + DynamicPlugin (libloading 动态加载 .so) - 阶段4: 版本管理 + 错误策略 (VersionManager, PluginState, 自动回退) - 阶段5: 远程仓库客户端 (HTTP 下载 + tar.gz 安装) - 阶段6: 示例插件 + HTTP 管理 API + 全目录 README 文档 54/54 测试通过,0 warnings。 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
46 lines
1.3 KiB
Markdown
46 lines
1.3 KiB
Markdown
# ShowenV2 Plugin SDK
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插件开发者使用此 SDK 编写动态插件(`.so` 文件),运行时由主程序动态加载。
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## 核心接口
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- **`ShowenPlugin` trait**: 插件作者实现的高级接口(init / start / handle_message / stop)
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- **`MessageSender`**: 封装 FFI SendCallback,插件通过它向主程序发送消息
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- **`export_plugin!` 宏**: 自动生成 `extern "C"` 胶水代码,导出 `PluginVTable`
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## 类型
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SDK 独立定义了与主程序 JSON 兼容的消息类型:
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- `PluginInfo`, `Envelope`, `Destination`, `Message`
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## 用法
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```rust
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use showen_plugin_sdk::{export_plugin, ShowenPlugin, MessageSender, PluginInfo, Message};
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struct MyPlugin { sender: Option<MessageSender> }
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impl ShowenPlugin for MyPlugin {
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fn info(&self) -> PluginInfo { /* ... */ }
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fn init(&mut self, config_json: &str, sender: MessageSender) -> Result<(), String> { Ok(()) }
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fn start(&mut self) -> Result<(), String> { Ok(()) }
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fn handle_message(&mut self, msg_json: &str) -> Result<(), String> { Ok(()) }
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fn stop(&mut self) -> Result<(), String> { Ok(()) }
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}
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export_plugin!(MyPlugin, MyPlugin::new);
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```
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## 编译
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```bash
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cd plugin-sdk
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cargo build
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```
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插件项目在 `Cargo.toml` 中依赖此 SDK:
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```toml
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[dependencies]
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showen-plugin-sdk = { path = "../plugin-sdk" }
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```
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