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// Copyright Epic Games, Inc. All Rights Reserved.
#define _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS // for <cstdbool> include warning triggered by cpr
#include "run.h"
#include <zencore/compactbinarybuilder.h>
#include <zencore/except.h>
#include <zencore/filesystem.h>
#include <zencore/fmtutils.h>
#include <zencore/iohash.h>
#include <zencore/logging.h>
#include <zencore/stream.h>
#include <zencore/string.h>
#include <zencore/timer.h>
#include <zenutil/zenserverprocess.h>
#include <filesystem>
ZEN_THIRD_PARTY_INCLUDES_START
#include <cpr/cpr.h>
ZEN_THIRD_PARTY_INCLUDES_END
#if ZEN_PLATFORM_WINDOWS
# pragma comment(lib, "Crypt32.lib")
# pragma comment(lib, "Wldap32.lib")
# pragma comment(lib, "Ws2_32.lib")
#endif
//////////////////////////////////////////////////////////////////////////
namespace zen {
using namespace std::literals;
RunCommand::RunCommand()
{
m_Options.add_options()("h,host", "Host to run on", cxxopts::value<std::string>(m_TargetHost))("d,dir",
"Tree to run",
cxxopts::value<std::string>(m_ExeTree));
}
RunCommand::~RunCommand() = default;
void
CreateTreeManifest(std::filesystem::path RootPath)
{
ZEN_UNUSED(RootPath);
}
int
RunCommand::Run(const ZenCliOptions& GlobalOptions, int argc, char** argv)
{
if (GlobalOptions.PassthroughV.empty())
{
throw cxxopts::OptionParseException("run command requires a command to run!");
}
ZenServerEnvironment TestEnv;
std::filesystem::path ProgramBaseDir = std::filesystem::path(argv[0]).parent_path();
std::filesystem::path TestBaseDir = ProgramBaseDir.parent_path().parent_path() / ".test";
TestEnv.InitializeForTest(ProgramBaseDir, TestBaseDir);
std::filesystem::path TestDir = TestEnv.CreateNewTestDir();
ZenServerInstance Zen1(TestEnv);
Zen1.SetTestDir(TestDir);
Zen1.SpawnServer(13337);
auto result = m_Options.parse(argc, argv);
std::filesystem::path TreePath{m_ExeTree};
struct Visitor : public zen::FileSystemTraversal::TreeVisitor
{
const std::filesystem::path& m_RootPath;
Visitor(const std::filesystem::path& RootPath) : m_RootPath(RootPath) {}
virtual void VisitFile(const std::filesystem::path& Parent, const path_view& FileName, uint64_t FileSize) override
{
std::filesystem::path FullPath = Parent / FileName;
zen::IoHashStream Ios;
zen::ScanFile(FullPath, 64 * 1024, [&](const void* Data, size_t Size) { Ios.Append(Data, Size); });
zen::IoHash Hash = Ios.GetHash();
path_string RelativePath = FullPath.lexically_relative(m_RootPath).native();
// ZEN_INFO("File: {:32} => {} ({})", zen::WideToUtf8(RelativePath), Hash, FileSize);
FileEntry& Entry = m_Files[RelativePath];
Entry.Hash = Hash;
Entry.Size = FileSize;
m_HashToFile[Hash] = FullPath;
}
virtual bool VisitDirectory(const std::filesystem::path& Parent, const path_view& DirectoryName) override
{
std::filesystem::path FullPath = Parent / DirectoryName;
if (DirectoryName.starts_with('.'))
{
return false;
}
return true;
}
struct FileEntry
{
uint64_t Size;
zen::IoHash Hash;
};
std::map<path_string, FileEntry> m_Files;
std::unordered_map<zen::IoHash, std::filesystem::path, zen::IoHash::Hasher> m_HashToFile;
};
zen::FileSystemTraversal Traversal;
Visitor Visit(TreePath);
Traversal.TraverseFileSystem(TreePath, Visit);
zen::CbObjectWriter PrepReq;
PrepReq << "cmd" << GlobalOptions.PassthroughV[0];
PrepReq << "args" << GlobalOptions.PassthroughArgs;
PrepReq.BeginArray("files");
for (const auto& Kv : Visit.m_Files)
{
PrepReq.BeginObject();
PrepReq << "file" << zen::PathToUtf8(Kv.first) << "size" << Kv.second.Size << "hash" << Kv.second.Hash;
PrepReq.EndObject();
}
PrepReq.EndArray();
zen::BinaryWriter MemOut;
PrepReq.Save(MemOut);
Zen1.WaitUntilReady();
cpr::Response Response =
cpr::Post(cpr::Url("http://localhost:13337/exec/jobs/prep"), cpr::Body((const char*)MemOut.Data(), MemOut.Size()));
if (Response.status_code < 300)
{
zen::IoBuffer Payload(zen::IoBuffer::Clone, Response.text.data(), Response.text.size());
zen::CbObject Result = zen::LoadCompactBinaryObject(Payload);
for (auto& Need : Result["need"])
{
zen::IoHash NeedHash = Need.AsHash();
if (auto It = Visit.m_HashToFile.find(NeedHash); It != Visit.m_HashToFile.end())
{
zen::IoBuffer FileData = zen::IoBufferBuilder::MakeFromFile(It->second);
cpr::Response CasResponse =
cpr::Post(cpr::Url("http://localhost:13337/cas"), cpr::Body((const char*)FileData.Data(), FileData.Size()));
if (CasResponse.status_code >= 300)
{
ZEN_ERROR("CAS put failed with {}", CasResponse.status_code);
}
}
else
{
ZEN_ERROR("unknown hash in 'need' list: {}", NeedHash);
}
}
}
cpr::Response JobResponse =
cpr::Post(cpr::Url("http://localhost:13337/exec/jobs"), cpr::Body((const char*)MemOut.Data(), MemOut.Size()));
ZEN_INFO("job exec: {}", JobResponse.status_code);
return 0;
}
} // namespace zen
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