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

build_tools/debug_server/debug_server/common/rsp_session_log.h

Index: build_tools/debug_server/debug_server/common/rsp_session_log.h
===================================================================
--- build_tools/debug_server/debug_server/common/rsp_session_log.h	(revision 0)
+++ build_tools/debug_server/debug_server/common/rsp_session_log.h	(revision 0)
@@ -0,0 +1,25 @@
+#ifndef NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_RSP_SESSION_LOG_H_
+#define NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_RSP_SESSION_LOG_H_
+
+#pragma once
+#include <string>
+#include "debug_blob.h"
+
+namespace rsp {
+class SessionLog {
+ public:
+  SessionLog();
+  ~SessionLog();
+
+  bool OpenToWrite(const std::string& file_name);
+  bool OpenToRead(const std::string& file_name);
+  void Close();
+  void Add(char record_type, const debug::Blob& record);
+  bool GetNextRecord(char* record_type, debug::Blob* record);
+
+ protected:
+  FILE* file_;
+};
+}  // namespace rsp
+
+#endif  // NACL_SDK_BUILD_TOOLS_DEBUG_SERVER_COMMON_RSP_SESSION_LOG_H_