chromecast/crash/linux/dump_info.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROMECAST_CRASH_LINUX_DUMP_INFO_H_
   6 #define CHROMECAST_CRASH_LINUX_DUMP_INFO_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "chromecast/crash/linux/minidump_params.h"
  13
  14 namespace base {
  15 class Value;
  16 }
  17
  18 namespace chromecast {
  19
  20 // Class that encapsulates the construction and parsing of dump entries
  21 // in the log file.
  22 class DumpInfo {
  23  public:
  24   // Validate the input as a valid JSON representation of DumpInfo, then
  25   // populate the relevant fields.
  26   explicit DumpInfo(const base::Value* entry);
  27
  28   // Attempt to construct a DumpInfo object that has the following info:
  29   //
  30   // -crashed_process_dump: the full path of the dump written
  31   // -crashed_process_logfile: the full path of the logfile written
  32   // -dump_time: the time of the dump written
  33   // -params: a structure containing other useful crash information
  34   DumpInfo(const std::string& crashed_process_dump,
  35            const std::string& crashed_process_logfile,
  36            const time_t& dump_time,
  37            const MinidumpParams& params);
  38
  39   ~DumpInfo();
  40
  41   const std::string& crashed_process_dump() const {
  42     return crashed_process_dump_;
  43   }
  44   const std::string& logfile() const { return logfile_; }
  45   const time_t& dump_time() const { return dump_time_; }
  46
  47   // Return a deep copy of the entry's JSON representation.
  48   // The format is:
  49   // {
  50   //   "name": <name>,
  51   //   "dump_time": <dump_time (kDumpTimeFormat)>,
  52   //   "dump": <dump>,
  53   //   "uptime": <uptime>,
  54   //   "logfile": <logfile>,
  55   //   "suffix": <suffix>,
  56   //   "prev_app_name": <prev_app_name>,
  57   //   "cur_app_name": <current_app_name>,
  58   //   "last_app_name": <last_app_name>,
  59   //   "release_version": <release_version>,
  60   //   "build_number": <build_number>
  61   // }
  62   scoped_ptr<base::Value> GetAsValue() const;
  63   const MinidumpParams& params() const { return params_; }
  64   const bool valid() const { return valid_; }
  65
  66  private:
  67   // Checks if parsed JSON in |value| is valid, if so populates the object's
  68   // fields from |value|.
  69   bool ParseEntry(const base::Value* value);
  70   bool SetDumpTimeFromString(const std::string& timestr);
  71
  72   std::string crashed_process_dump_;
  73   std::string logfile_;
  74   time_t dump_time_;
  75   MinidumpParams params_;
  76   bool valid_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(DumpInfo);
  79 };
  80
  81 }  // namespace chromecast
  82
  83 #endif  // CHROMECAST_CRASH_LINUX_DUMP_INFO_H_