blob: cb79147dcccaf835f68e5464868c6a8a39a537a4 [file] [log] [blame]
// 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.
#include "chromecast/crash/linux/minidump_writer.h"
#include "base/bind.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "chromecast/base/path_utils.h"
#include "chromecast/base/process_utils.h"
#include "chromecast/crash/linux/dump_info.h"
#include "chromecast/crash/linux/minidump_generator.h"
namespace chromecast {
namespace {
const char kDumpStateSuffix[] = ".txt.gz";
// Fork and run dumpstate, saving results to minidump_name + ".txt.gz".
int DumpState(const std::string& minidump_name) {
std::vector<std::string> argv;
argv.push_back(GetBinPathASCII("dumpstate").value());
argv.push_back("-w");
argv.push_back("crash-request");
argv.push_back("-z");
argv.push_back("-o");
argv.push_back(
minidump_name); // dumpstate appends ".txt.gz" to the filename.
std::string log;
if (!chromecast::GetAppOutput(argv, &log)) {
LOG(ERROR) << "failed to execute dumpstate";
return -1;
}
return 0;
}
} // namespace
MinidumpWriter::MinidumpWriter(MinidumpGenerator* minidump_generator,
const std::string& minidump_filename,
const MinidumpParams& params,
const DumpStateCallback& dump_state_cb)
: minidump_generator_(minidump_generator),
minidump_path_(minidump_filename),
params_(params),
dump_state_cb_(dump_state_cb) {
}
MinidumpWriter::MinidumpWriter(MinidumpGenerator* minidump_generator,
const std::string& minidump_filename,
const MinidumpParams& params)
: MinidumpWriter(minidump_generator,
minidump_filename,
params,
base::Bind(&DumpState)) {
}
MinidumpWriter::~MinidumpWriter() {
}
int MinidumpWriter::DoWork() {
// If path is not absolute, append it to |dump_path_|.
if (!minidump_path_.value().empty() && minidump_path_.value()[0] != '/')
minidump_path_ = dump_path_.Append(minidump_path_);
// The path should be a file in the |dump_path_| directory.
if (dump_path_ != minidump_path_.DirName()) {
LOG(INFO) << "The absolute path: " << minidump_path_.value() << " is not"
<< "in the correct directory: " << dump_path_.value();
return -1;
}
// Generate a minidump at the specified |minidump_path_|.
if (!minidump_generator_->Generate(minidump_path_.value())) {
LOG(ERROR) << "Generate minidump failed " << minidump_path_.value();
return -1;
}
// Run the dumpstate callback.
DCHECK(!dump_state_cb_.is_null());
if (dump_state_cb_.Run(minidump_path_.value()) < 0) {
LOG(ERROR) << "DumpState callback failed.";
return -1;
}
// Add this entry to the lockfile.
const DumpInfo info(minidump_path_.value(),
minidump_path_.value() + kDumpStateSuffix,
time(nullptr),
params_);
if (AddEntryToLockFile(info) < 0) {
LOG(ERROR) << "lockfile logging failed";
return -1;
}
return 0;
}
} // namespace crash_manager