cef/libcef/common/crash_reporter_client.h

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// Copyright 2016 The Chromium Embedded Framework Authors. Portions copyright
// 2016 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 CEF_LIBCEF_COMMON_CRASH_REPORTER_CLIENT_H_
#define CEF_LIBCEF_COMMON_CRASH_REPORTER_CLIENT_H_
#include <string>
#include <string_view>
#include <vector>
#include "base/synchronization/lock.h"
#include "build/build_config.h"
#include "cef/include/cef_version.h"
#include "components/crash/core/app/crash_reporter_client.h"
// Global object that is instantiated in each process and configures crash
// reporting. On Windows this is created by the
// InitializeCrashReportingForProcess() method called from chrome_elf. On
// Linux and macOS this is created by crash_reporting::BasicStartupComplete().
class CefCrashReporterClient : public crash_reporter::CrashReporterClient {
public:
CefCrashReporterClient();
CefCrashReporterClient(const CefCrashReporterClient&) = delete;
CefCrashReporterClient& operator=(const CefCrashReporterClient&) = delete;
~CefCrashReporterClient() override;
// Reads the crash config file and returns true on success. Failure to read
// the crash config file will disable crash reporting. This method should be
// called immediately after the CefCrashReporterClient instance is created.
bool ReadCrashConfigFile();
bool HasCrashConfigFile() const;
#if BUILDFLAG(IS_WIN)
// Called from chrome_elf (chrome_elf/crash/crash_helper.cc) to instantiate
// a process wide instance of CefCrashReporterClient and initialize crash
// reporting for the process. The instance is leaked.
// crash_reporting_win::InitializeCrashReportingForModule() will be called
// later from crash_reporting::PreSandboxStartup() to read global state into
// the module address space.
static void InitializeCrashReportingForProcess();
bool GetAlternativeCrashDumpLocation(std::wstring* crash_dir) override;
void GetProductNameAndVersion(const std::wstring& exe_path,
std::wstring* product_name,
std::wstring* version,
std::wstring* special_build,
std::wstring* channel_name) override;
bool GetCrashDumpLocation(std::wstring* crash_dir) override;
bool GetCrashMetricsLocation(std::wstring* metrics_dir) override;
#elif BUILDFLAG(IS_POSIX)
void GetProductNameAndVersion(const char** product_name,
const char** version) override;
void GetProductNameAndVersion(std::string* product_name,
std::string* version,
std::string* channel) override;
bool GetCrashDumpLocation(base::FilePath* crash_dir) override;
#endif // BUILDFLAG(IS_POSIX)
// All of these methods must return true to enable crash report upload.
bool GetCollectStatsConsent() override;
bool GetCollectStatsInSample() override;
bool ReportingIsEnforcedByPolicy(bool* crashpad_enabled) override;
std::string GetUploadUrl() override;
void GetCrashOptionalArguments(std::vector<std::string>* arguments) override;
#if BUILDFLAG(IS_WIN)
std::wstring GetCrashExternalHandler(const std::wstring& exe_dir) override;
bool HasCrashExternalHandler() const;
#endif
#if BUILDFLAG(IS_MAC)
bool EnableBrowserCrashForwarding() override;
#endif
// Set or clear a crash key value.
bool SetCrashKeyValue(const std::string_view& key,
const std::string_view& value);
private:
bool has_crash_config_file_ = false;
enum KeySize { SMALL_SIZE, MEDIUM_SIZE, LARGE_SIZE };
// Map of crash key name to (KeySize, index).
// Const access to |crash_keys_| is thread-safe after initialization.
using KeyMap = std::map<std::string, std::pair<KeySize, size_t>>;
KeyMap crash_keys_;
// Modification of CrashKeyString values must be synchronized.
base::Lock crash_key_lock_;
std::string server_url_;
bool rate_limit_ = true;
int max_uploads_ = 5;
int max_db_size_ = 20;
int max_db_age_ = 5;
std::string product_name_ = "cef";
std::string product_version_ = CEF_VERSION;
#if BUILDFLAG(IS_WIN)
std::string app_name_ = "CEF";
std::string external_handler_;
#endif
#if BUILDFLAG(IS_MAC)
bool enable_browser_crash_forwarding_ = false;
#endif
};
#endif // CEF_LIBCEF_COMMON_CRASH_REPORTER_CLIENT_H_