add some code

managed_components/78__esp-ml307/include/tcp.h

@@ -0,0 +1,34 @@
+#ifndef TCP_H
+#define TCP_H
+
+
+#include <string>
+#include <functional>
+
+class Tcp {
+public:
+    virtual ~Tcp() = default;
+    virtual bool Connect(const std::string& host, int port) = 0;
+    virtual void Disconnect() = 0;
+    virtual int Send(const std::string& data) = 0;
+
+    virtual void OnStream(std::function<void(const std::string& data)> callback) {
+        stream_callback_ = callback;
+    }
+    
+    virtual void OnDisconnected(std::function<void()> callback) {
+        disconnect_callback_ = callback;
+    }
+    
+    // 连接状态查询
+    bool connected() const { return connected_; }
+
+protected:
+    std::function<void(const std::string& data)> stream_callback_;
+    std::function<void()> disconnect_callback_;
+    
+    // 连接状态管理
+    bool connected_ = false;         // 是否可以正常读写数据
+};
+
+#endif // TCP_H