Adding crash utilities to chromecast/crash.

chromecast/crash/dump_info.h

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMECAST_CRASH_DUMP_INFO_H_
+#define CHROMECAST_CRASH_DUMP_INFO_H_
+
+#include <string>
+
+#include "base/macros.h"
+
+namespace chromecast {
+
+struct MinidumpParams {

[gunsch, 2015/06/09 18:46:19]

This struct could/should be in its own file. This file is dump_info.h and
previously (internal diff_ only contained DumpInfo.

[slan, 2015/06/10 01:49:13]

Done.

+  MinidumpParams();
+  MinidumpParams(const std::string& p_process_name,
+                 const uint64_t p_process_uptime,
+                 const std::string& p_suffix,
+                 const std::string& p_previous_app_name,
+                 const std::string& p_current_app_name,
+                 const std::string& p_last_app_name,
+                 const std::string& p_cast_release_version,
+                 const std::string& p_cast_build_number);
+  MinidumpParams(const MinidumpParams& params);
+  ~MinidumpParams();
+
+  std::string process_name;
+  uint64_t process_uptime;
+  std::string suffix;
+  std::string previous_app_name;
+  std::string current_app_name;
+  std::string last_app_name;
+  // Release version is in the format of "major.minor", such as "1.15".
+  std::string cast_release_version;
+  // Build number is numerical string such as "20000".
+  std::string cast_build_number;
+};
+
+// Class that encapsulates the construction and parsing of dump entries
+// in the log file.
+class DumpInfo {
+ public:
+  // Attempt to construct a DumpInfo object by parsing the given entry string
+  // and extracting the contained information and populate the relevant
+  // fields.
+  explicit DumpInfo(const std::string& entry);
+
+  // Attempt to construct a DumpInfo object that has the following info:
+  //
+  // -crashed_process_dump: the full path of the dump written
+  // -crashed_process_logfile: the full path of the logfile written
+  // -dump_time: the time of the dump written
+  // -params: a structure containing other useful crash information
+  //
+  // As a result of construction, the |entry_| will be filled with the
+  // appropriate string to add to the log file.
+  DumpInfo(const std::string& crashed_process_dump,
+           const std::string& crashed_process_logfile,
+           const time_t& dump_time,
+           const MinidumpParams& params);
+
+  ~DumpInfo();
+
+  // Accessors.

[gunsch, 2015/06/09 18:46:19]

nit: remove comment

[slan, 2015/06/10 01:49:13]

Done.

+  std::string crashed_process_dump() const { return crashed_process_dump_; }
+  std::string logfile() const { return logfile_; }
+  time_t dump_time() const { return dump_time_; }
+  std::string entry() const { return entry_; }
+  MinidumpParams params() const { return params_; }
+  bool valid() const { return valid_; }
+
+ private:
+  bool ParseEntry(const std::string& entry);
+  bool SetDumpTimeFromString(const std::string& timestr);
+  std::string GetEntryAsString();
+
+  std::string crashed_process_dump_;
+  std::string logfile_;
+  time_t dump_time_;
+  std::string entry_;
+  MinidumpParams params_;
+  bool valid_;
+
+  DISALLOW_COPY_AND_ASSIGN(DumpInfo);
+};
+
+}  // namespace chromecast
+
+#endif  // CHROMECAST_CRASH_DUMP_INFO_H_