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unitree_SDK/include/unitree/common/log/log_buffer.hpp

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+#ifndef __UT_LOG_BUFFER_HPP__
+#define __UT_LOG_BUFFER_HPP__
+
+#include <unitree/common/log/log_decl.hpp>
+
+namespace unitree
+{
+namespace common
+{
+class LogBuffer
+{
+public:
+    explicit LogBuffer();
+    virtual ~LogBuffer();
+
+    virtual bool Append(const std::string& s);
+    virtual bool Get(std::string& s);
+    virtual bool Empty();
+
+protected:
+    std::string mData;
+};
+
+typedef std::shared_ptr<LogBuffer> LogBufferPtr;
+
+class LogBlockBuffer : public LogBuffer
+{
+public:
+    explicit LogBlockBuffer();
+    ~LogBlockBuffer();
+
+    bool Append(const std::string& s);
+    bool Get(std::string& s);
+    bool Empty();
+
+private:
+    Mutex mLock;
+};
+
+typedef std::shared_ptr<LogBlockBuffer> LogBlockBufferPtr;
+}
+}
+
+#endif//__UT_LOG_BUFFER_HPP__