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// Copyright 2014 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.
#include "chromecast/crash/android/crash_handler.h"
#include <jni.h>
#include <string>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "breakpad/src/client/linux/handler/exception_handler.h"
#include "breakpad/src/client/linux/handler/minidump_descriptor.h"
#include "chromecast/common/version.h"
#include "chromecast/crash/android/cast_crash_reporter_client_android.h"
#include "components/crash/app/breakpad_linux.h"
#include "components/crash/app/crash_reporter_client.h"
#include "content/public/common/content_switches.h"
#include "jni/CastCrashHandler_jni.h"
namespace {
chromecast::CrashHandler* g_crash_handler = NULL;
// ExceptionHandler requires a HandlerCallback as a function pointer. This
// function exists to proxy into the global CrashHandler instance.
bool HandleCrash(const void* /* crash_context */,
size_t /* crash_context_size */,
void* /* context */) {
DCHECK(g_crash_handler);
if (g_crash_handler->CanUploadCrashDump()) {
g_crash_handler->AttemptUploadCrashDump();
} else {
g_crash_handler->RemoveCrashDumps();
}
// Let the exception continue to propagate up to the system.
return false;
}
} // namespace
namespace chromecast {
// static
void CrashHandler::Initialize(const std::string& process_type,
const base::FilePath& log_file_path) {
DCHECK(!g_crash_handler);
g_crash_handler = new CrashHandler(log_file_path);
g_crash_handler->Initialize(process_type);
}
// static
bool CrashHandler::GetCrashDumpLocation(base::FilePath* crash_dir) {
DCHECK(g_crash_handler);
return g_crash_handler->crash_reporter_client_->
GetCrashDumpLocation(crash_dir);
}
// static
bool CrashHandler::RegisterCastCrashJni(JNIEnv* env) {
return RegisterNativesImpl(env);
}
CrashHandler::CrashHandler(const base::FilePath& log_file_path)
: log_file_path_(log_file_path),
crash_reporter_client_(new CastCrashReporterClientAndroid) {
if (!crash_reporter_client_->GetCrashDumpLocation(&crash_dump_path_)) {
LOG(ERROR) << "Could not get crash dump location";
}
SetCrashReporterClient(crash_reporter_client_.get());
}
CrashHandler::~CrashHandler() {
DCHECK(g_crash_handler);
g_crash_handler = NULL;
}
void CrashHandler::Initialize(const std::string& process_type) {
if (process_type != switches::kZygoteProcess) {
if (process_type.empty()) {
// ExceptionHandlers are called on crash in reverse order of
// instantiation. This ExceptionHandler will attempt to upload crashes
// and the log file written out by the main process.
// Dummy MinidumpDescriptor just to start up another ExceptionHandler.
google_breakpad::MinidumpDescriptor dummy(crash_dump_path_.value());
crash_uploader_.reset(new google_breakpad::ExceptionHandler(
dummy, NULL, NULL, NULL, true, -1));
crash_uploader_->set_crash_handler(&::HandleCrash);
breakpad::InitCrashReporter(process_type);
} else {
breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
}
}
UploadCrashDumpsAsync();
}
bool CrashHandler::CanUploadCrashDump() {
DCHECK(crash_reporter_client_);
return crash_reporter_client_->GetCollectStatsConsent();
}
void CrashHandler::AttemptUploadCrashDump() {
VLOG(1) << "Attempting to upload current process crash";
JNIEnv* env = base::android::AttachCurrentThread();
// Crash dump location
base::android::ScopedJavaLocalRef<jstring> crash_dump_path_java =
base::android::ConvertUTF8ToJavaString(env,
crash_dump_path_.value());
// Current log file location
base::android::ScopedJavaLocalRef<jstring> log_file_path_java =
base::android::ConvertUTF8ToJavaString(env, log_file_path_.value());
Java_CastCrashHandler_uploadCurrentProcessDumpSync(
env,
crash_dump_path_java.obj(),
log_file_path_java.obj(),
CAST_IS_DEBUG_BUILD);
}
void CrashHandler::UploadCrashDumpsAsync() {
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jstring> crash_dump_path_java =
base::android::ConvertUTF8ToJavaString(env,
crash_dump_path_.value());
Java_CastCrashHandler_uploadCrashDumpsAsync(env,
crash_dump_path_java.obj(),
CAST_IS_DEBUG_BUILD);
}
void CrashHandler::RemoveCrashDumps() {
VLOG(1) << "Removing crash dumps instead of uploading";
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jstring> crash_dump_path_java =
base::android::ConvertUTF8ToJavaString(env,
crash_dump_path_.value());
Java_CastCrashHandler_removeCrashDumpsSync(
env, crash_dump_path_java.obj(), CAST_IS_DEBUG_BUILD);
}
} // namespace chromecast
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