modify: mqtt额外主题

This commit is contained in:
2026-08-07 09:39:29 +08:00
parent 6037c098e9
commit 0049045ead
6 changed files with 343 additions and 11 deletions
+18
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@@ -203,6 +203,24 @@ async def upload(file: UploadFile = File(...)):
| 请求 | `chongming/<type>/<op>` | MQTT → Worker |
| 响应 | `chongming/<type>/<op>/response` | Worker → MQTT(`None` 时跳过) |
### 自定义订阅主题
除内置的 `chongming/<type>/<op>` 接口外,可将外部 MQTT 主题桥接到任意 Worker。**推荐在插件自己的配置** `config/workers/<type>/config.toml` 中通过 `[[workers.mqtt_topics]]` 声明(目标 worker 即该插件本身):
```toml
# config/workers/aibox_sophon_adapter/config.toml
[[workers.mqtt_topics]]
topic = "/board_ping" # 支持 +(单级)/ #(多级,须在末尾)通配符
subject = "aibox_sophon_adapter.board_ping" # 可选,{1} {2}... 对应通配符捕获值
response_topic = "/board_ping/response" # 可选,响应主题;默认 "<实际主题>/response"
```
- `subject` 缺省为 `<插件类型>.<topic 最后一段>`;`response_topic` 缺省为 `<实际匹配主题>/response`。
- 网关发现插件时自动收集所有 `[[workers.mqtt_topics]]`,MQTT Bridge 一并订阅并路由。
- 请求负载同样支持 `_method` / `_timeout` / `_cacheable` 控制字段。
- 多条自定义主题按配置顺序匹配,先匹配者优先;内置 `chongming/...` 接口最后兜底。
- 全局 `[<env>.mqtt].custom_topics` 仍可作为通用兜底(不依赖具体插件时使用,可选)。
### 快速测试
```bash
+5
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@@ -46,6 +46,11 @@ enabled = true
host = "0.0.0.0"
port = 1883
# MQTT Bridge 额外订阅主题推荐声明在各插件自己的配置里:
# config/workers/<type>/config.toml → [[workers.mqtt_topics]]
# (如 aibox_sophon_adapter 插件的 /board_ping 心跳主题)
# 全局 [<env>.mqtt].custom_topics 仍可作为通用兜底(可选,不推荐)。
[development.mqtt.broker]
# amqtt Broker 可选配置,默认允许匿名连接
# 详细参数参考: https://github.com/Yakifo/amqtt
+10
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@@ -102,6 +102,15 @@ class Cors(TypedDict, total=False):
allow_headers: List[str]
class CustomMQTTTopic(TypedDict, total=False):
"""额外自定义 MQTT 订阅主题的路由配置"""
topic: Required[str] # 订阅主题,支持 +(单级)/ #(多级)通配符
worker: Required[str] # 目标 worker 类型
subject: str # 目标 Zenoh subject,支持 {1} {2}... 占位符;默认 "<worker>.<topic 最后一段>"
response_topic: str # 响应发布主题,支持占位符;默认 "<实际匹配主题>/response"
class MQTTConfig(TypedDict, total=False):
"""MQTT Bridge 配置(按环境区分)"""
@@ -109,6 +118,7 @@ class MQTTConfig(TypedDict, total=False):
host: str
port: int
broker: dict
custom_topics: List[CustomMQTTTopic]
class ModuleSystem(TypedDict, total=False):
+33 -4
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@@ -244,12 +244,24 @@ def _discover_plugins() -> list[dict]:
if not workers_section:
continue
plugin_type = workers_section.get("type", plugin_type)
# 插件声明的 MQTT Bridge 额外订阅主题([[workers.mqtt_topics]])
# 网关级路由配置,不传给插件运行时;worker 目标即本插件类型。
mqtt_topics = []
for t in workers_section.get("mqtt_topics", []) or []:
if not isinstance(t, dict) or not t.get("topic"):
continue
t = dict(t)
t.setdefault("worker", plugin_type)
mqtt_topics.append(t)
# 合并运行时 config:
# 1. plugin_conf 顶层 (worker, worker.registration 等 gen_models 用)
# 2. [workers] 节的注册字段展平 (type, module, factory, cleanup, count)
# — 其中 type 被 chongming_worker.runtime.create_workers 用于匹配 RPC 方法
# 3. [workers.config] 展平到顶层 (api_key, data_dir, heartbeat 等)
workers_flat = {k: v for k, v in workers_section.items() if k != "config"}
workers_flat = {k: v for k, v in workers_section.items()
if k not in ("config", "mqtt_topics")}
runtime_config = {
**plugin_conf,
**workers_flat,
@@ -257,11 +269,12 @@ def _discover_plugins() -> list[dict]:
}
plugins.append({
"type": workers_section.get("type", plugin_type),
"type": plugin_type,
"module": workers_section.get("module", f"plugins.{plugin_type}"),
"factory": workers_section.get("factory", "create_workers"),
"cleanup": workers_section.get("cleanup", "cleanup"),
"count": workers_section.get("count", 1),
"mqtt_topics": mqtt_topics,
"config": runtime_config,
})
@@ -301,6 +314,13 @@ async def load_workers(app: FastAPI, session: zenoh.Session, manager: WorkerMana
workers_conf = _discover_plugins()
logger.info(f"发现 {len(workers_conf)} 个 worker 插件")
# 汇总各插件声明的 MQTT Bridge 额外订阅主题,供 setup_mqtt 使用
app.state.plugin_mqtt_topics = [
topic
for wc in workers_conf
for topic in (wc.get("mqtt_topics") or [])
]
worker_tasks = []
custom_routers = []
for wc in workers_conf:
@@ -401,7 +421,9 @@ async def setup_mqtt(app: FastAPI, worker_manager: WorkerManager) -> MQTTBridge
"""
启动 MQTT Bridge(客户端模式,Broker 由子进程管理)。
从 config.toml 的环境段读取配置,若 enabled 为 false 则跳过。
从 config.toml 的环境段读取 host/port/enabled;若 enabled 为 false 则跳过。
订阅主题 = 全局 [<env>.mqtt].custom_topics(可选兜底)
+ 各插件在其 config/workers/<type>/config.toml 中声明的 [[workers.mqtt_topics]]。
使用文件锁确保多个 gunicorn worker 中只有一个启动 Bridge。
"""
env_config = config.get(env, {})
@@ -412,6 +434,8 @@ async def setup_mqtt(app: FastAPI, worker_manager: WorkerManager) -> MQTTBridge
host = mqtt_config.get("host", "localhost")
port = mqtt_config.get("port", 1883)
custom_topics = list(mqtt_config.get("custom_topics", []) or [])
custom_topics += list(getattr(app.state, "plugin_mqtt_topics", []) or [])
# 1. 启动 Broker 子进程(文件锁已确保只有一个)
setup_mqtt_broker(app, host, port)
@@ -421,7 +445,12 @@ async def setup_mqtt(app: FastAPI, worker_manager: WorkerManager) -> MQTTBridge
logger.info("MQTT Bridge 已由其他 worker 启动,跳过")
return None
bridge = MQTTBridge(worker_manager=worker_manager, host=host, port=port)
bridge = MQTTBridge(
worker_manager=worker_manager,
host=host,
port=port,
custom_topics=custom_topics,
)
app.state.mqtt_bridge = bridge
await bridge.start()
logger.info(f"MQTT Bridge 已启动 ({host}:{port})")
+72 -7
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@@ -1,5 +1,5 @@
"""MQTT Bridge — 纯客户端模式,Broker 由子进程管理"""
import asyncio, json
import asyncio, json, re
from typing import Any, Optional
from amqtt.client import MQTTClient
from amqtt.mqtt.constants import QOS_1
@@ -8,12 +8,42 @@ logger = get_logger("mqtt")
MQTT_TOPIC_PREFIX = "chongming"
MQTT_SUBSCRIBE_TOPIC = f"{MQTT_TOPIC_PREFIX}/+/+"
def _compile_topic(topic: str) -> re.Pattern:
"""
将 MQTT 主题模板(支持 + / # 通配符)编译为正则表达式。
- ``+`` 匹配单级(编译为捕获组 ``([^/]+)``)
- ``#`` 匹配多级(编译为捕获组 ``(.*)``,须位于末尾)
捕获组按出现顺序对应,供 {1} {2}... 占位符替换使用。
"""
parts = topic.split("/")
regex = "^"
for i, part in enumerate(parts):
if i > 0:
regex += "/"
if part == "#":
regex += "(.*)"
elif part == "+":
regex += "([^/]+)"
else:
regex += re.escape(part)
regex += "$"
return re.compile(regex)
class MQTTBridge:
def __init__(self, worker_manager, host="localhost", port=1883):
def __init__(self, worker_manager, host="localhost", port=1883, custom_topics=None):
self._wm = worker_manager; self._host = host; self._port = port
self._client: Optional[MQTTClient] = None
self._lt: Optional[asyncio.Task] = None
self._running = False
# custom_topics: [{"topic","worker","subject"?,"response_topic"?}, ...]
self._custom_topics = custom_topics or []
self._compiled = [
(ct, _compile_topic(ct.get("topic", "")))
for ct in self._custom_topics if ct.get("topic")
]
async def start(self):
if self._running: return
@@ -31,8 +61,11 @@ class MQTTBridge:
async def _sc(self):
self._client = MQTTClient(config={"auto_reconnect": False})
await self._client.connect(f"mqtt://{self._host}:{self._port}/")
await self._client.subscribe([(MQTT_SUBSCRIBE_TOPIC, QOS_1)])
logger.info(f"已订阅 {MQTT_SUBSCRIBE_TOPIC}")
topics = [(MQTT_SUBSCRIBE_TOPIC, QOS_1)]
topics += [(ct["topic"], QOS_1) for ct, _ in self._compiled]
await self._client.subscribe(topics)
logger.info(f"已订阅 {MQTT_SUBSCRIBE_TOPIC}"
+ (f" 及 {len(self._compiled)} 个自定义主题" if self._compiled else ""))
self._lt = asyncio.create_task(self._loop())
async def _sc_stop(self):
@@ -62,14 +95,46 @@ class MQTTBridge:
async def _handle(self, m):
t: str = m.topic; p = m.data # type: ignore
try: pl = json.loads(p.decode("utf-8"))
except json.JSONDecodeError: return
pl.setdefault("_method", "GET")
# 1. 优先匹配显式配置的自定义订阅主题(顺序即优先级)
for ct, compiled in self._compiled:
matched = compiled.match(t)
if matched:
await self._route_custom(ct, matched, pl, t)
return
# 2. 内置接口 chongming/{worker}/{operation}
parts = t.split("/")
if len(parts) < 3: return
wt, op = parts[1], parts[2]
subj = f"{wt}.{op}"
rt = f"{MQTT_TOPIC_PREFIX}/{wt}/{op}/response"
try: pl = json.loads(p.decode("utf-8"))
except json.JSONDecodeError: return
pl.setdefault("_method", "GET")
await self._route(wt, subj, pl, rt)
def _fill(self, template: str, matched: re.Match) -> str:
"""用匹配到的通配符值填充模板中的 {1} {2}... 占位符"""
if "{" not in template: return template
for i, g in enumerate(matched.groups(), start=1):
template = template.replace("{" + str(i) + "}", g)
return template
async def _route_custom(self, ct: dict, matched: re.Match, pl: dict, topic: str):
worker = ct.get("worker", "")
# subject 默认 "<worker>.<topic 模板最后一段>",与内置 <插件>.<操作> 约定一致
subject_tpl = ct.get("subject")
if not subject_tpl:
last = ct["topic"].split("/")[-1]
subject_tpl = f"{worker}.{last}" if last not in ("+", "#") else worker
subject = self._fill(subject_tpl, matched)
# response_topic 默认 "<实际匹配主题>/response"
rt_tpl = ct.get("response_topic")
rt = self._fill(rt_tpl, matched) if rt_tpl else f"{topic}/response"
await self._route(worker, subject, pl, rt)
async def _route(self, wt: str, subj: str, pl: dict, rt: str):
logger.info(f"MQTT -> {subj}")
try:
r = await self._wm.call(worker_type=wt, subject=subj, payload=pl,
+205
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@@ -0,0 +1,205 @@
"""
MQTT Bridge 自定义订阅主题单元测试
验证:
1. _compile_topic 对 + / # 通配符的匹配与捕获
2. 自定义主题路由: 主题匹配 → worker/subject/response_topic 解析 → worker_manager.call 调用
3. 内置 chongming/... 主题兜底逻辑不变
"""
import asyncio
import json
import sys
from pathlib import Path
from unittest.mock import MagicMock
sys.path.insert(0, str(Path(__file__).parent / "src"))
from chongming.app.core.mqtt_bridge import (
MQTTBridge,
MQTT_TOPIC_PREFIX,
_compile_topic,
)
def make_msg(topic, payload):
m = MagicMock()
m.topic = topic
m.data = json.dumps(payload).encode("utf-8")
return m
class FakeWM:
def __init__(self):
self.calls = []
self.result = {"result": "ok"}
async def call(self, worker_type, subject, payload, timeout=30, cacheable=False):
self.calls.append(
{
"worker_type": worker_type,
"subject": subject,
"payload": payload,
"timeout": timeout,
"cacheable": cacheable,
}
)
return self.result
def make_bridge(wm, custom_topics):
"""构造一个不真正连接 Broker 的 Bridge,并捕获发布消息"""
bridge = MQTTBridge(worker_manager=wm, custom_topics=custom_topics)
bridge._client = MagicMock()
bridge._running = True
published = []
async def fake_publish(topic, data, qos=None):
published.append((topic, data.decode("utf-8")))
bridge._client.publish = fake_publish
return bridge, published
def test_compile_topic():
# 单级通配符
p = _compile_topic("devices/+/telemetry")
m = p.match("devices/dev-01/telemetry")
assert m and m.groups() == ("dev-01",)
assert not p.match("devices/a/b/telemetry")
# 多级通配符
p = _compile_topic("data/#")
m = p.match("data/a/b/c")
assert m and m.groups() == ("a/b/c",)
# 无通配符
p = _compile_topic("fixed/topic")
assert p.match("fixed/topic")
assert not p.match("fixed/topic/x")
# 前缀必须完整匹配
p = _compile_topic("devices/+/telemetry")
assert not p.match("xdevices/a/telemetry")
print("✅ _compile_topic 通配符编译/匹配通过")
async def test_custom_routing():
wm = FakeWM()
bridge, published = make_bridge(
wm,
[
{"topic": "devices/+/telemetry", "worker": "device"},
{
"topic": "foo/#",
"worker": "foo",
"subject": "foo.handle.{1}",
"response_topic": "out/{1}/resp",
},
],
)
# 1. 默认 subject = <worker>.<最后一段>;响应 = <实际主题>/response
await bridge._handle(make_msg("devices/dev-01/telemetry", {"v": 1}))
assert wm.calls[-1]["worker_type"] == "device"
assert wm.calls[-1]["subject"] == "device.telemetry"
assert published[-1][0] == "devices/dev-01/telemetry/response"
# 2. 带占位符 + 自定义响应主题
await bridge._handle(make_msg("foo/a/b", {"v": 2}))
assert wm.calls[-1]["worker_type"] == "foo"
assert wm.calls[-1]["subject"] == "foo.handle.a/b"
assert published[-1][0] == "out/a/b/resp"
# 3. 内置 chongming 兜底
await bridge._handle(
make_msg(f"{MQTT_TOPIC_PREFIX}/example/add", {"a": 1, "b": 2})
)
assert wm.calls[-1]["worker_type"] == "example"
assert wm.calls[-1]["subject"] == "example.add"
assert published[-1][0] == f"{MQTT_TOPIC_PREFIX}/example/add/response"
print("✅ 自定义主题路由 + 内置兜底通过")
async def test_custom_routing_control_fields():
wm = FakeWM()
bridge, published = make_bridge(
wm, [{"topic": "devices/+/telemetry", "worker": "device"}]
)
await bridge._handle(
make_msg(
"devices/d1/telemetry",
{"_timeout": 5, "_cacheable": True, "_method": "POST"},
)
)
assert wm.calls[-1]["timeout"] == 5.0
assert wm.calls[-1]["cacheable"] is True
assert "_timeout" not in wm.calls[-1]["payload"]
assert wm.calls[-1]["payload"].get("_method") == "POST"
print("✅ 控制字段 (_timeout/_cacheable/_method) 透传通过")
async def test_non_json_dropped():
wm = FakeWM()
bridge, published = make_bridge(
wm, [{"topic": "devices/+/telemetry", "worker": "device"}]
)
bad = MagicMock()
bad.topic = "devices/d1/telemetry"
bad.data = b"not-json"
await bridge._handle(bad)
assert wm.calls == []
assert published == []
print("✅ 非 JSON 负载被丢弃通过")
async def test_board_ping_topic():
"""aibox_sophon_adapter 插件:设备发布到 /board_ping → 路由到 aibox_sophon_adapter.board_ping"""
wm = FakeWM()
bridge, published = make_bridge(
wm,
[
{
"topic": "/board_ping",
"worker": "aibox_sophon_adapter",
"subject": "aibox_sophon_adapter.board_ping",
}
],
)
await bridge._handle(make_msg("/board_ping", {"BoardId": "B001", "Status": 1}))
assert wm.calls[-1]["worker_type"] == "aibox_sophon_adapter"
assert wm.calls[-1]["subject"] == "aibox_sophon_adapter.board_ping"
assert published[-1][0] == "/board_ping/response"
print("✅ /board_ping 自定义主题路由通过")
def test_plugin_config_driven_collection():
"""插件在其 config/workers/<type>/config.toml 中声明 [[workers.mqtt_topics]],
网关 _discover_plugins 自动收集,并默认 worker 为该插件类型。"""
from chongming.app.core.lifespan_setup import _discover_plugins
plugins = _discover_plugins()
by_type = {p["type"]: p for p in plugins}
assert "aibox_sophon_adapter" in by_type, "未发现 aibox_sophon_adapter 插件"
topics = by_type["aibox_sophon_adapter"]["mqtt_topics"]
assert any(
t["topic"] == "/board_ping" and t["worker"] == "aibox_sophon_adapter"
and t["subject"] == "aibox_sophon_adapter.board_ping"
for t in topics
), topics
# 不应泄漏到插件运行时配置
assert "mqtt_topics" not in by_type["aibox_sophon_adapter"]["config"]
print("✅ 插件级 [[workers.mqtt_topics]] 收集通过")
async def main():
test_compile_topic()
await test_custom_routing()
await test_custom_routing_control_fields()
await test_non_json_dropped()
await test_board_ping_topic()
test_plugin_config_driven_collection()
print("\n🎉 全部自定义订阅主题测试通过")
if __name__ == "__main__":
asyncio.run(main())