blob: b71c4d429c1c54ec04bccb7ebf0c460965d8313a [file] [log] [blame]
// Copyright 2019 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 "chrome/test/base/process_lineage_win.h"
#include <sstream>
#include "base/process/process.h"
#include "chrome/test/base/process_inspector_win.h"
// static
ProcessLineage ProcessLineage::Create(DWORD process_id) {
std::vector<ProcessProperties> properties;
while (true) {
base::Process process = base::Process::OpenWithAccess(
process_id, PROCESS_QUERY_INFORMATION | SYNCHRONIZE | PROCESS_VM_READ);
if (!process.IsValid())
break;
auto inspector = ProcessInspector::Create(process);
if (!inspector)
break;
// If PID reuse proves to be a problem, this would be a good point to add
// extra checks that |process| is older than the previously inspected
// process.
properties.push_back({process_id, inspector->command_line()});
DWORD parent_pid = inspector->GetParentPid();
if (process_id == parent_pid)
break;
process_id = parent_pid;
}
return ProcessLineage(std::move(properties));
}
ProcessLineage::ProcessLineage(ProcessLineage&& other) = default;
ProcessLineage& ProcessLineage::operator=(ProcessLineage&& other) = default;
ProcessLineage::~ProcessLineage() = default;
base::string16 ProcessLineage::ToString() const {
std::wostringstream sstream;
base::string16 sep;
for (const auto& prop : lineage_) {
sstream << sep << L"(process_id: " << prop.process_id
<< L", command_line: \"" << prop.command_line << "\")";
if (sep.empty())
sep = L", ";
}
return sstream.str();
}
ProcessLineage::ProcessLineage(std::vector<ProcessProperties> lineage)
: lineage_(std::move(lineage)) {}