feat(config): 添加配置管理和MQTT模拟服务功能

- 实现了应用配置的数据类结构(MqttConfig, TmsConfig, AppConfig)
- 创建了配置加载和解析功能，支持从YAML文件读取配置
- 添加了TDengine数据库配置和连接池管理
- 实现了MQTT客户端依赖注入和服务构建
- 创建了钻孔实时数据的ORM映射和SQL构建功能
- 实现了TDengine Writer用于数据写入超级表
- 添加了MQTT模拟服务，支持发布、订阅和数据转发功能
- 创建了随机数据发送器用于测试
- 实现了消息持久化到本地文件功能
- 配置了数据库连接池和SQL执行功能

mqtt_subscriber.py

@@ -0,0 +1,112 @@
+import argparse
+import json
+import time
+from datetime import datetime
+from urllib.parse import urlparse
+
+import paho.mqtt.client as mqtt
+
+from config.dependencies import build_subscriber_dependencies
+
+
+def parse_broker(broker):
+    if not broker:
+        raise ValueError("broker is required")
+    if "://" not in broker:
+        broker = "tcp://" + broker
+    parsed = urlparse(broker)
+    host = parsed.hostname or "localhost"
+    port = parsed.port or 1883
+    scheme = (parsed.scheme or "tcp").lower()
+    return scheme, host, port
+
+
+def print_flat_fields(title, value):
+    print(title)
+    if isinstance(value, dict):
+        for k, v in value.items():
+            print(f"  {k}: {v}")
+    else:
+        print(f"  {value}")
+
+
+def run_subscriber(args, deps):
+    mqtt_config = deps.config.mqtt
+    tms_config = deps.config.tms
+    topic = args.topic or mqtt_config.sub_topic or mqtt_config.pub_topic
+    if not topic:
+        raise ValueError("No topic to subscribe. Set sub-topic or pub-topic, or pass --topic")
+
+    scheme, host, port = parse_broker(mqtt_config.broker)
+
+    print("MQTT subscriber config:")
+    print(f"  broker: {scheme}://{host}:{port}")
+    print(f"  client-id: {mqtt_config.subscriber_client_id}")
+    print(f"  topic: {topic}")
+
+    client = mqtt.Client(client_id=mqtt_config.subscriber_client_id, clean_session=True)
+    if mqtt_config.username is not None:
+        client.username_pw_set(mqtt_config.username, mqtt_config.password)
+
+    if scheme in ("ssl", "tls", "mqtts"):
+        client.tls_set()
+
+    def on_connect(c, userdata, flags, rc):
+        if rc == 0:
+            print("Connected")
+            c.subscribe(topic)
+            print(f"Subscribed: {topic}")
+        else:
+            print(f"Connect failed rc={rc}")
+
+    def on_disconnect(c, userdata, rc):
+        print(f"Disconnected callback rc={rc}")
+
+    def on_message(c, userdata, msg):
+        raw_payload = msg.payload.decode("utf-8", errors="replace")
+        print("=" * 80)
+        print(f"RX Time: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
+        print(f"Topic: {msg.topic}")
+        print(f"QoS: {msg.qos}, Retain: {msg.retain}, Bytes: {len(msg.payload)}")
+        try:
+            obj = json.loads(raw_payload)
+            print("Raw JSON:")
+            print(json.dumps(obj, ensure_ascii=False, indent=2))
+            if isinstance(obj, dict):
+                print_flat_fields("meta:", obj.get("meta"))
+                print_flat_fields("data:", obj.get("data"))
+                extra_keys = [key for key in obj.keys() if key not in ("meta", "data")]
+                for key in extra_keys:
+                    print_flat_fields(f"{key}:", obj.get(key))
+        except Exception:
+            print("Raw payload:")
+            print(raw_payload)
+
+    client.on_connect = on_connect
+    client.on_disconnect = on_disconnect
+    client.on_message = on_message
+    client.connect(host, port, keepalive=tms_config.keepalive)
+    client.loop_start()
+
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        pass
+    finally:
+        client.loop_stop()
+        client.disconnect()
+        print("Disconnected")
+
+
+def main():
+    ap = argparse.ArgumentParser(description="MQTT subscriber")
+    ap.add_argument("--config", default="config.yaml", help="Path to config yaml")
+    ap.add_argument("--topic", default="", help="Override topic to subscribe")
+    args = ap.parse_args()
+    deps = build_subscriber_dependencies(args.config)
+    run_subscriber(args, deps)
+
+
+if __name__ == "__main__":
+    main()