RSP proxy that can record session (for playback testing)....

build_tools/debug_server/debug_server/common/debug_blob.h

Index: build_tools/debug_server/debug_server/common/debug_blob.h
===================================================================
--- build_tools/debug_server/debug_server/common/debug_blob.h	(revision 0)
+++ build_tools/debug_server/debug_server/common/debug_blob.h	(revision 0)
@@ -0,0 +1,39 @@
+#ifndef NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_BLOB_H_
+#define NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_BLOB_H_
+
+#include <deque>
+
+// Class for working with raw binary data.
+
+namespace debug {
+class Blob {
+ public:
+  Blob();
+  Blob(const Blob& other);
+  Blob(const void* buff, size_t buff_sz);
+  virtual ~Blob();
+  Blob& operator = (const Blob& other);
+  bool operator == (const Blob& other) const;
+  
+  size_t Size() const;
+  char operator[] (size_t position) const;
+  char Front() const;  // Returns first byte.
+  char Back() const;  // Returns last byte.
+  char PopFront();  // Delete first byte.
+  char PopBack();  // Delete last byte.
+  void PushFront(char c);  // Insert byte at beginning.
+  void PushBack(char c);  // Add byte at the end.
+  void Clear();
+
+  std::string ToString() const;
+  std::string ToHexString() const;
+  void Append(const Blob& blob);
+  void Reverse();
+  bool Compare(const Blob& blob, size_t to_length = -1) const;
+  bool HasPrefix(const std::string& prefix) const;
+
+ protected:
+  std::deque<char> value_;
+};
+}  // namespace debug
+#endif  // NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_DEBUG_BLOB_H_