Files
homeagent-sdk/tools/plugindev/templates.go
JianFeeeee 9f844123fe plugindev: entry 语义收敛 + 删 C ABI 工具链 + Windows 共享内存适配(Part 6.1)
## entry 不再是通道开关 —— 外部插件零改动的关键

17 个存量插件的 plg.json 都写着 "entry": "plugin.so"。若把 entry 当通道
开关,迁移就得改 17 个文件,而「外部插件零改动」是本次迁移的硬约束。

改法:Go 插件一律产出 plugin.bin,不看 entry 值。isProcEntry 删除,
resolveBuild 去掉 proc 参数。entry 现在只剩区分 Lua(main.lua)一个用途。

实测:weather 的 plg.json 一行不改(仍写 plugin.so),plugindev build
直接产出三平台 plugin.bin。

## Windows 不再是能力退化的第三套实现(§9.2 的正解)

C ABI 时代 Windows 是独立的第三套 ABI:dynamic_dll_windows.go 的 stage
只下发 3 个字段(raw_message/user_id/phase)且完全没有写回,sanitizer
这类改写型插件在 Windows 上静默失效,且无任何运行时警告。

现在 Windows 与 Unix 共用同一份 RPC 逻辑与同一份共享段布局。平台差异
收敛到三个挂载函数:
- Unix(linux/darwin/freebsd):内核经 ExtraFiles 传继承 fd(3=StageContext
  段,4=事件环段,5=eventfd/pipe)
- Windows:没有 fd 继承语义(os/exec 的 ExtraFiles 在 Windows 不支持),
  改用命名内核对象——父进程 CreateFileMapping/CreateEvent 建带名字的对象,
  子进程 OpenFileMappingW/OpenEventW 按同名打开。名字经环境变量传入而非
  硬编码:多个 homed 实例并存时不能撞名。

Windows 绑定用 syscall.NewLazyDLL 而非 golang.org/x/sys/windows:
OpenFileMappingW/OpenEventW 未被标准库 syscall 导出,而引入 x/sys 会给
**每个插件的 go.mod** 加一个新依赖,违反「插件仅依赖公开 SDK」。
LazyDLL 属标准库,零新增依赖。

新增 evtWaiter 接口抽象等待语义:eventfd 是计数器(多事件合并成一次
唤醒),Windows Event 是二元信号。不影响正确性——消费者被唤醒后按
readSeq 追 writeSeq 批量 drain,一次唤醒能处理累积的全部事件。

模板拆成三个文件:
  proc_main.go.tmpl          平台无关(RPC + 共享段布局 + stage + 事件环消费)
  proc_shm_unix.go.tmpl      继承 fd 挂载
  proc_shm_windows.go.tmpl   命名对象挂载

## 删除 C ABI 工具链

templates.go 1296 → 516 行:
- tmplBridge(Windows DLL bridge)      -265 行
- tmplLinuxBridge(Linux c-shared)     -457 行
- tmplPluginInitC(C 入口)              -57 行
另删 generateBridge / detectWindowsCC(MinGW 探测)/ tmplCABIHeader /
InitData.CABIVersion+CABIHeader。

交叉编译不再需要目标平台 C 工具链——这是 -buildmode=c-shared 退场的
连带收益(§3.1)。

## 测试

15 项全过,新增 4 项守护迁移不变量:
- AllPlatformsProduceBin:6 个 GOOS/GOARCH 组合统一产出 plugin.bin
- LuaIsSeparatePath:Lua 仍走解释器路径
- UnsupportedOSErrors:不支持平台明确报错,不静默产出错误产物
- NoCABIResiduals:代码中不得再出现 c-shared / CGO_ENABLED=1 /
  detectWindowsCC / tmplLinuxBridge / tmplPluginInitC(注释除外)
- IgnoresEntryForGoPlugins:isProcEntry 必须已删除

验证:go build/vet/test 全通过;三平台交叉编译产出 plugin.bin;
git diff sdk/ 为空(接口冻结)。

Ref: docs/zh/架构迁移评估.md §3.1/§9.2、docs/zh/plugin-migration-plan.md Part 6
2026-09-02 18:39:02 +08:00

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package main
// tmplPlgJSON is the plg.json template
const tmplPlgJSON = `{
"name": "{{.Plg.Name}}",
"name_zh": "{{.Plg.NameZh}}",
"name_en": "{{.Plg.NameEn}}",
"version": "{{.Plg.Version}}",
"description": "{{.Plg.Description}}",
"author": "{{.Plg.Author}}",
"entry": "{{.Plg.Entry}}",
"tags": [{{range $i, $t := .Plg.Tags}}{{if $i}}, {{end}}"{{$t}}"{{end}}],
"targets": "{{.Plg.Targets}}"
}
`
const tmplGoMod = `module {{.ModulePath}}
go {{.GoVersion}}
require {{.SDKModule}} {{.SDKVersion}}
`
const tmplPluginGo = `package main
import (
"fmt"
"gitcode.com/JianFeeeee/homeagent-sdk/sdk"
)
type Plugin struct {
name string
sdk *sdk.PluginSDK
}
func (p *Plugin) Name() string { return p.name }
func (p *Plugin) Start(s *sdk.PluginSDK) error {
p.sdk = s
s.RegisterStopHandler(func() { fmt.Printf("[%s] stop handler running\n", p.name) })
s.Settings().RegisterDef(sdk.ConfigDef{
Key: "plugin.{{.Plg.Name}}.example", Default: "hello", Type: "string",
DisplayName: "示例配置", Description: "An example configuration key",
Category: "{{.Plg.Name}}",
})
tp := p.name + "_"
s.RegisterTool(tp+"hello", sdk.ToolDef{
Name: tp + "hello",
Description: "A hello world tool",
Parameters: map[string]interface{}{"type": "object", "properties": map[string]interface{}{}},
NoMemory: false, // 工具输出对 LLM 注意力有信号价值时为 false纯操作工具为 true
// Cleaner: func(output string) string {
// // 工具输出参与向量化/jieba/蒸馏前,在此过滤噪音
// return output
// },
}, p.handleHello)
fmt.Printf("[%s] started\n", p.name)
return nil
}
func (p *Plugin) Stop() error { fmt.Printf("[%s] stopped\n", p.name); return nil }
func (p *Plugin) handleHello(args map[string]interface{}) (interface{}, error) {
return map[string]interface{}{"content": "Hello from {{.Plg.Name}} plugin!"}, nil
}
func NewPluginFactory(name string, config map[string]interface{}) (sdk.Plugin, error) {
return &Plugin{name: name}, nil
}
`
const tmplSDKLua = `-- HomeAgent Lua Plugin SDK (standalone mock)
sdk = {}
function sdk.log(level, msg) print("[lua-plugin] " .. tostring(level) .. ": " .. tostring(msg)) end
function sdk.register_tool(name, def, handler) print("[lua-plugin] register_tool: " .. tostring(name)) end
function sdk.register_stage(stage, handler, scope) print("[lua-plugin] register_stage: " .. tostring(stage) .. " scope=" .. tostring(scope)) end
function sdk.register_api(name) print("[lua-plugin] register_api: " .. tostring(name)) end
function sdk.register_output_channel(name, caps, desc, def, handler) print("[lua-plugin] register_output_channel: " .. tostring(name)) end
function sdk.register_input_channel(name, def) print("[lua-plugin] register_input_channel: " .. tostring(name)) end
function sdk.get_setting(key) return nil end
function sdk.set_setting(key, value) print("[lua-plugin] set_setting: " .. tostring(key)) end
function sdk.inject_text(source, channel, text) print("[lua-plugin] inject_text: " .. tostring(source)) end
function sdk.inject_interrupt(source, channel, text) print("[lua-plugin] inject_interrupt: " .. tostring(source)) end
function sdk.inject_text_no_memory(source, channel, text) print("[lua-plugin] inject_text_no_memory: " .. tostring(source)) end
function sdk.set_auto_restart(enabled) print("[lua-plugin] set_auto_restart: " .. tostring(enabled)) end
sdk.memory = {}
function sdk.memory.recall(query, depth) return {entities={}, relations={}} end
function sdk.memory.commit(triples) return nil end
function sdk.memory.introspect() return {} end
function sdk.memory.merge(source, target) return 0 end
function sdk.memory.purge(criteria, hard) return 0 end
sdk.doc = {}
function sdk.doc.query(text, top_k) return {} end
function sdk.doc.insert(doc) return nil end
function sdk.doc.remove(id) return nil end
function sdk.doc.stats() return {} end
sdk.knowledge = {}
function sdk.knowledge.search(query, limit) return {} end
function sdk.knowledge.add(tag, content) return nil end
function sdk.knowledge.list() return {} end
sdk.text_memory = {}
function sdk.text_memory.append(evt) return nil end
sdk.llm = {}
function sdk.llm.list_sources() return {} end
function sdk.llm.set_source(name) return nil end
function sdk.llm.current_source() return nil end
sdk.social = {}
function sdk.social.get_person(name) return {} end
function sdk.social.get_network(name, depth) return {} end
function sdk.social.get_trait(name, trait) return {value=nil, found=false} end
function sdk.social.get_relations(name) return {} end
function sdk.social.list_persons() return {} end
sdk.settings = {}
function sdk.settings.get_core(key) return nil end
function sdk.settings.set_core(key, value) return nil end
function sdk.settings.list_core(prefix) return {} end
function sdk.settings.get_plugin(plugin, key) return nil end
function sdk.settings.set_plugin(plugin, key, value) return nil end
function sdk.settings.list_plugin(plugin, prefix) return {} end
function sdk.settings.list(prefix) return {} end
function sdk.settings.register_def(def) return nil end
function sdk.settings.defs(prefix) return {} end
function sdk.settings.dump() return {} end
function sdk.settings.plugins() return {} end
sdk.json = {}
function sdk.json.encode(val)
if type(val) == "string" then return '"' .. val:gsub('"', '\\"'):gsub('\n', '\\n') .. '"'
elseif type(val) == "number" or type(val) == "boolean" then return tostring(val)
elseif type(val) == "table" then local parts, i = {}, 1
for k, v in pairs(val) do parts[i] = sdk.json.encode(k) .. ":" .. sdk.json.encode(v); i = i + 1 end
return "{" .. table.concat(parts, ",") .. "}" end
return "null"
end
function sdk.json.decode(str) local ok, fn = pcall(load, "return " .. str); if ok then return fn() end; return nil end
sdk.http = {}
function sdk.http.get(url) print("[lua-plugin] http.get: " .. tostring(url)); return {status=200, body='{"mock":true}', headers={}} end
function sdk.http.post(url, body, ct) print("[lua-plugin] http.post: " .. tostring(url)); return {status=200, body='{"mock":true}', headers={}} end
return sdk
`
const tmplMainLua = `-- {{.Plg.Name}} plugin
local plugin = { name = "{{.Plg.Name}}" }
function plugin.start(sdk)
sdk.log("info", "{{.Plg.Name}} starting...")
sdk.register_tool("{{.Plg.Name}}_hello", {
description = "A hello world tool",
parameters = { type = "object", properties = {} }
}, function(args) return { content = "Hello from {{.Plg.Name}} plugin!" } end)
sdk.log("info", "{{.Plg.Name}} started")
end
function plugin.stop() sdk.log("info", "{{.Plg.Name}} stopped") end
return plugin
`
// ============================================================
// Remote Device Adapter Templates
// ============================================================
const tmplRemoteDeviceMain = `#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "ha_remotedevice.h"
/* ============================================================
* {{.Plg.Name}} — Remote Device Adapter
*
* 声明式远程设备接入示例。
* 用户只需实现:
* 1. ha_transport_t 的 4 个函数
* 2. 声明 handlers 表(设备支持哪些命令 + 对应的处理函数)
* 其余协议细节WS 握手、hello/bind、心跳、重连、命令分发、结果回执由 SDK 自动处理。
* ============================================================ */
/* ====================== 传输层实现 ======================
*
* 请为你的平台实现以下 4 个函数:
* connect(ctx, host, port) — 建立 TCP 连接
* send(ctx, data, len) — 发送数据
* recv(ctx, buf, len) — 接收数据(阻塞,返回实际接收字节数)
* close(ctx) — 关闭连接
*
* 示例POSIX socket 实现
*/
#if defined(_WIN32) || defined(_WIN64)
/* Windows 平台需包含 winsock2.h */
#error "Please implement transport for your platform (see example below)"
#else
/* POSIX (Linux, macOS, ESP-IDF, Zephyr, etc.) */
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <unistd.h>
struct transport_ctx {
int sock;
};
static int transport_connect(void *ctx, const char *host, uint16_t port) {
struct transport_ctx *tc = (struct transport_ctx *)ctx;
struct hostent *he = gethostbyname(host);
if (!he) return -1;
tc->sock = socket(AF_INET, SOCK_STREAM, 0);
if (tc->sock < 0) return -1;
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
memcpy(&addr.sin_addr, he->h_addr_list[0], he->h_length);
if (connect(tc->sock, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
close(tc->sock);
tc->sock = -1;
return -1;
}
return 0;
}
static int transport_send(void *ctx, const uint8_t *data, int len) {
struct transport_ctx *tc = (struct transport_ctx *)ctx;
int sent = 0;
while (sent < len) {
int n = (int)send(tc->sock, data + sent, len - sent, 0);
if (n <= 0) return -1;
sent += n;
}
return sent;
}
static int transport_recv(void *ctx, uint8_t *buf, int len) {
struct transport_ctx *tc = (struct transport_ctx *)ctx;
int n = (int)recv(tc->sock, buf, len, 0);
return n;
}
static void transport_close(void *ctx) {
struct transport_ctx *tc = (struct transport_ctx *)ctx;
if (tc->sock >= 0) {
close(tc->sock);
tc->sock = -1;
}
}
#endif
/* ====================== 声明式命令处理 ======================
*
* 每个命令对应一个处理函数,通过填写 ha_cmd_result_t 返回数据。
* SDK 自动回执结果,无需手动调用 send_result。
*
* 返回方式:
* 1. 文本输出:填写 result->output
* 2. 二进制数据:设置 result->has_binary=1 并填写 binary_data/len/mime
* 3. 错误:设置 result->status=1 并填写 result->error
* 4. 返回 HA_OK 表示处理成功,其他值表示处理失败
*/
/* ESP32-CAM 摄像头处理 */
static ha_status_t handle_camerasue(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
int duration = 0;
if (args && args[0]) duration = atoi(args);
printf("[camera] %s (duration=%ds)\n", duration ? "record" : "snapshot", duration);
/* 返回文本结果base64 图片) */
result->status = 0;
result->output = "data:image/jpeg;base64,/9j/4AAQ...";
return HA_OK;
}
/* 屏幕截图处理 */
static ha_status_t handle_screensee(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)args; (void)userdata;
printf("[screen] screenshot\n");
result->status = 0;
result->output = "data:image/png;base64,iVBORw0KGgo...";
return HA_OK;
}
/* 语音播报处理 */
static ha_status_t handle_speakeruse(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
printf("[speaker] TTS: %s\n", args ? args : "");
result->status = 0;
result->output = "speakeruse done";
return HA_OK;
}
/* 远程操控处理computeruse */
static ha_status_t handle_computeruse(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
const char *action = NULL;
const char *json_str = NULL;
ha_cmd_parse_json(args, &action, &json_str);
printf("[computeruse] action=%s\n", action ? action : "unknown");
result->status = 0;
result->output = "computeruse done";
return HA_OK;
}
/* 剪贴板读取 */
static ha_status_t handle_clipboardsee(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)args; (void)userdata;
result->status = 0;
result->output = "clipboard content";
return HA_OK;
}
/* 剪贴板写入 */
static ha_status_t handle_clipboardsue(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
printf("[clipboard] write: %s\n", args ? args : "");
result->status = 0;
result->output = "clipboard written";
return HA_OK;
}
/* 屏幕显示 */
static ha_status_t handle_screensue(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
printf("[screensue] show: %s\n", args ? args : "");
result->status = 0;
result->output = "screensue shown";
return HA_OK;
}
/* Shell 命令处理 */
static ha_status_t handle_shell(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)userdata;
printf("[shell] cmd: %s\n", args ? args : "");
result->status = 0;
result->output = "shell output";
return HA_OK;
}
/* 设备信息查询 */
static ha_status_t handle_deviceinfo(const char *req_id, const char *args,
ha_cmd_result_t *result, void *userdata) {
(void)req_id; (void)args; (void)userdata;
result->status = 0;
result->output = "{\"platform\":\"linux\",\"arch\":\"x86_64\"}";
return HA_OK;
}
/* ====================== 连接状态回调 ====================== */
static void on_state(int connected, void *userdata) {
(void)userdata;
printf("[devicelink] state: %s\n", connected ? "connected" : "disconnected");
}
/* ====================== 主函数 ====================== */
int main(int argc, char *argv[]) {
/* 传输层上下文 */
struct transport_ctx tctx;
tctx.sock = -1;
ha_transport_t transport = {
.connect = transport_connect,
.send = transport_send,
.recv = transport_recv,
.close = transport_close,
.ctx = &tctx,
};
/* ===== 声明式设备配置 ===== */
/* 声明设备能力 */
const char *caps[] = {
"status", "cmdrun", "deviceinfo",
"camerasue", "screensee", "speakeruse",
"computeruse", "clipboardsee", "clipboardsue",
"screensue",
NULL
};
/* 声明命令处理表:设备支持哪些命令,以及对应的处理函数 */
ha_cmd_handler_def_t handlers[] = {
{.command = "shell", .handler = handle_shell},
{.command = "camerasue", .handler = handle_camerasue},
{.command = "screensee", .handler = handle_screensee},
{.command = "speakeruse", .handler = handle_speakeruse},
{.command = "computeruse", .handler = handle_computeruse},
{.command = "clipboardsee", .handler = handle_clipboardsee},
{.command = "clipboardsue", .handler = handle_clipboardsue},
{.command = "screensue", .handler = handle_screensue},
{.command = "deviceinfo", .handler = handle_deviceinfo},
{.command = NULL}, /* 标记结束 */
};
ha_config_t config = {
.transport = transport,
.server = "127.0.0.1:9890",
.token = "your-token-here",
.device = {
.device_id = "{{.Plg.Name}}",
.name = "{{.Plg.NameEn}}",
.kind = "computer",
.caps = caps,
.info_json = "{\"platform\":\"linux\",\"arch\":\"x86_64\"}",
},
.handlers = handlers, /* 声明式命令处理表 */
.on_state = on_state,
.ping_interval = 30,
};
ha_client_t *client = ha_client_new(&config);
if (!client) {
fprintf(stderr, "Failed to create client\n");
return 1;
}
printf("Starting remote device adapter: {{.Plg.Name}}\n");
printf(" Server: %s\n", config.server);
printf(" Device ID: %s\n", config.device.device_id);
printf(" Kind: %s\n", config.device.kind);
printf(" Caps: ");
for (const char **p = caps; *p; p++) printf("%s ", *p);
printf("\n");
ha_status_t st = ha_client_start(client);
if (st != HA_OK) {
fprintf(stderr, "Failed to connect: %d\n", st);
ha_client_destroy(client);
return 1;
}
printf("Connected! Entering main loop...\n");
/* 主循环 */
while (1) {
ha_status_t st = ha_client_process(client);
if (st == HA_ERR_DISCONNECTED) {
printf("Disconnected, exiting.\n");
break;
}
#if defined(_WIN32) || defined(_WIN64)
Sleep(10);
#else
usleep(10000);
#endif
}
ha_client_stop(client);
ha_client_destroy(client);
return 0;
}
`
const tmplRemoteDeviceCMake = `cmake_minimum_required(VERSION 3.10)
project({{.Plg.Name}} VERSION 0.1.0 LANGUAGES C)
# ============================================================
# {{.Plg.Name}} — Remote Device Adapter
# ============================================================
# 设置 SDK 路径(默认使用内置 SDK也可通过 -DSDK_PATH=... 指定)
set(SDK_PATH "${CMAKE_CURRENT_SOURCE_DIR}/ha_remotedevice"
CACHE PATH "Path to ha_remotedevice SDK")
# 添加 SDK 子目录
if(EXISTS "${SDK_PATH}/CMakeLists.txt")
add_subdirectory(${SDK_PATH} ha_remotedevice)
else()
message(FATAL_ERROR "ha_remotedevice SDK not found at ${SDK_PATH}")
endif()
# 创建设备适配器可执行文件
add_executable(${PROJECT_NAME}
main.c
)
# 链接 SDK
target_link_libraries(${PROJECT_NAME} PRIVATE ha_remotedevice)
# 包含 SDK 头文件
target_include_directories(${PROJECT_NAME} PRIVATE
${HA_REMOTEDEVICE_INCLUDE_DIR}
)
# 编译选项
if(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang")
target_compile_options(${PROJECT_NAME} PRIVATE
-Wall -Wextra -Wpedantic
-Wno-unused-parameter
)
endif()
# 安装
install(TARGETS ${PROJECT_NAME} RUNTIME DESTINATION bin)
`
const tmplReadme = `# {{.Plg.Name}}
{{.Plg.Description}}
## Build
` + "```bash" + `
plugindev build
` + "```" + `
## Install
Upload the .hmap file through the Plugin Manager API.
`