600 lines
17 KiB
C++
600 lines
17 KiB
C++
/***
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Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuProcess.NT.cpp
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Date: 2021-6-12
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "AuProcess.NT.hpp"
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#include "AuProcesses.hpp"
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#include <process.h>
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#if defined(AURORA_PLATFORM_WIN32)
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#include "AuProcess.Win32.hpp"
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#endif
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#include "AuArgvQuote.hpp"
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#include <Source/IO/FS/FS.hpp>
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#include <Source/IO/FS/Async.NT.hpp>
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#include <Source/IO/Loop/LSHandle.hpp>
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#include <Source/IO/AuIOHandle.hpp>
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#include "AuCreatePipeEx.NT.hpp"
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namespace Aurora::Processes
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{
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struct ProcessAliveLoopSource : AuLoop::LSHandle
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{
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ProcessAliveLoopSource(HANDLE h);
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virtual AuLoop::ELoopSource GetType() override;
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};
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ProcessAliveLoopSource::ProcessAliveLoopSource(HANDLE h) : LSHandle(AuReinterpretCast<AuUInt>(h))
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{
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}
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AuLoop::ELoopSource ProcessAliveLoopSource::GetType()
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{
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return AuLoop::ELoopSource::eProcessDead;
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}
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ProcessImpl::ProcessImpl(const StartupParmaters ¶ms) : startup_(params)
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{
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AuIOFS::NormalizePath(this->startup_.process, this->startup_.process);
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if (this->startup_.workingDirectory)
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{
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AuString a;
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AuIOFS::NormalizePath(a, this->startup_.workingDirectory.value());
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this->startup_.workingDirectory = a;
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}
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this->startup_.args.insert(startup_.args.begin(), startup_.process);
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// ehhhh https://github.com/tritao/WindowsSDK/blob/07983c7ba4f6861d15e23f195744c60c0c249ce0/SDKs/SourceDir/Windows%20Kits/10/Source/10.0.17763.0/ucrt/exec/cenvarg.cpp#L23
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for (const auto &arg : this->startup_.args)
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{
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this->cargs_.push_back(arg.c_str());
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AuString escaped;
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ArgvQuote(arg, escaped, false);
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this->windowsCli_ += escaped + " ";
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}
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this->cargs_.push_back(nullptr);
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if (windowsCli_.size())
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{
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this->windowsCli_.resize(this->windowsCli_.size() - 1);
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}
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this->type_ = params.type;
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}
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ProcessImpl::~ProcessImpl()
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{
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if (this->type_ == ESpawnType::eSpawnChildProcessWorker)
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{
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TryKill();
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Terminate();
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}
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SetEvent(this->poke_);
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if (this->thread_)
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{
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this->thread_.reset();
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}
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AuWin32CloseHandle(this->poke_);
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AuWin32CloseHandle(this->process_);
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AuWin32CloseHandle(this->hthread_);
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ShutdownPipes();
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}
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AuUInt ProcessImpl::GetProcessId()
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{
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if (this->process_ == INVALID_HANDLE_VALUE)
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{
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return {};
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}
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return ::GetProcessId(this->process_);
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}
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bool ProcessImpl::TermWinEnumProcesses()
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{
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#if defined(AURORA_PLATFORM_WIN32)
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return SendExitSignal(this->process_);
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#else
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return false;
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#endif
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}
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bool ProcessImpl::TryKill()
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{
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return HasExited() || TermWinEnumProcesses();
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}
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bool ProcessImpl::HasExited()
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{
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DWORD exitCode;
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if (!GetExitCodeProcess(this->process_, &exitCode))
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{
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return true;
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}
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return exitCode != STILL_ACTIVE;
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}
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bool ProcessImpl::Terminate()
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{
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if (this->process_ != INVALID_HANDLE_VALUE)
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{
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return false;
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}
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return TerminateProcess(this->process_, 0) || HasExited();
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}
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AuSPtr<Threading::IWaitable> ProcessImpl::AsWaitable()
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{
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if (!this->thread_) return nullptr;
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return this->thread_->AsWaitable();
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}
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AuSPtr<AuLoop::ILoopSource> ProcessImpl::AsLoopSource()
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{
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return this->loopSource_;
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}
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AuSInt ProcessImpl::GetExitCode()
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{
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return this->exitCode_;
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}
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void ProcessImpl::ShutdownPipes()
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{
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RelOtherHandles();
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//AuWin32CloseHandle(this->pipeStdOutRead_);
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//AuWin32CloseHandle(this->pipeStdErrRead_);
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//AuWin32CloseHandle(this->pipeStdInWrite_);
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this->pipeStdInWrite_ = this->pipeStdOutRead_ = this->pipeStdErrRead_ = INVALID_HANDLE_VALUE;
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this->fsHandle_.reset();
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this->fsStream_.reset();
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this->fsErrorHandle_.reset();
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this->fsErrorStream_.reset();
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}
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bool ProcessImpl::Read(EStandardHandle stream, const AuMemoryViewStreamWrite &destination, bool nonblock)
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{
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DWORD size = destination.length;
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if (!EStandardHandleIsValid(stream) || (stream == EStandardHandle::eStdIn))
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{
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SysPushErrorArg("Invalid Stream");
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return {};
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}
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auto handle = stream == EStandardHandle::eStdError ? this->pipeStdErrRead_ : this->pipeStdOutRead_;
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if (handle == INVALID_HANDLE_VALUE)
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{
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return false;
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}
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if (nonblock || !destination.ptr)
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{
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DWORD avail {};
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if (!PeekNamedPipe(handle, NULL, NULL, NULL, &avail, NULL))
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{
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return false;
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}
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if (!avail)
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{
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return true;
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}
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size = AuMin(size, avail);
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}
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if (!destination.ptr)
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{
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destination.outVariable = size;
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return true;
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}
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auto ret = ReadFile(handle, destination.ptr, size, &size, NULL);
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destination.outVariable = size;
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return ret || nonblock;
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}
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bool ProcessImpl::Write(const AuMemoryViewStreamRead &in)
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{
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if (!in.ptr)
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{
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SysPushErrorArg("Missing pointer to stdin stream section");
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return {};
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}
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DWORD size = in.length;
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if (pipeStdInWrite_ == INVALID_HANDLE_VALUE)
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{
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SysPushErrorUninitialized();
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return false;
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}
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return WriteFile(this->pipeStdInWrite_, in.ptr, size, &size, NULL) && size == in.length;
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}
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bool ProcessImpl::Init()
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{
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SECURITY_ATTRIBUTES saAttr {};
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saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
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saAttr.bInheritHandle = TRUE;
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if (this->type_ == ESpawnType::eSpawnOvermap)
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{
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return true;
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}
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if (this->process_ != INVALID_HANDLE_VALUE)
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{
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return false;
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}
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this->poke_ = CreateEventW(NULL, TRUE, FALSE, NULL);
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if (!this->poke_)
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{
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return false;
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}
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this->exitCode_ = 0x10110100;
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if (this->startup_.fwdOut == EStreamForward::eAsyncPipe)
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{
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if (!CreatePipeEx(&this->pipeStdOutRead_,
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&this->pipeStdOutWrite_,
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&saAttr,
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0,
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FILE_FLAG_OVERLAPPED,
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0))
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{
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return false;
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}
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if (!SetHandleInformation(pipeStdOutRead_, HANDLE_FLAG_INHERIT, 0))
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{
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return false;
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}
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}
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else if (this->startup_.fwdOut == EStreamForward::eCurrentProcess)
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{
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HANDLE handle = GetStdHandle(STD_OUTPUT_HANDLE);
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if (handle != INVALID_HANDLE_VALUE && handle)
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{
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SetHandleInformation(handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
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this->bDontRelOut_ = true;
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this->pipeStdOutWrite_ = handle;
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}
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}
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if (this->startup_.fwdErr == EStreamForward::eAsyncPipe)
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{
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if (!CreatePipeEx(&this->pipeStdErrRead_,
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&this->pipeStdErrWrite_,
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&saAttr,
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0,
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FILE_FLAG_OVERLAPPED,
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0))
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{
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return false;
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}
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if (!SetHandleInformation(this->pipeStdErrRead_, HANDLE_FLAG_INHERIT, 0))
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{
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return false;
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}
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}
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else if (this->startup_.fwdErr == EStreamForward::eCurrentProcess)
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{
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HANDLE handle = GetStdHandle(STD_ERROR_HANDLE);
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if (handle != INVALID_HANDLE_VALUE && handle)
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{
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SetHandleInformation(handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
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this->bDontRelErr_ = true;
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this->pipeStdErrWrite_ = handle;
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}
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}
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if (this->startup_.fwdIn == EStreamForward::eAsyncPipe)
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{
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if (!CreatePipeEx(&this->pipeStdInRead_,
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&this->pipeStdInWrite_,
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&saAttr,
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0,
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0,
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FILE_FLAG_OVERLAPPED))
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{
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return false;
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}
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if (!SetHandleInformation(this->pipeStdInWrite_, HANDLE_FLAG_INHERIT, 0))
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{
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return false;
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}
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}
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else if (this->startup_.fwdIn == EStreamForward::eCurrentProcess)
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{
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HANDLE handle = GetStdHandle(STD_ERROR_HANDLE);
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if (handle != INVALID_HANDLE_VALUE && handle)
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{
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SetHandleInformation(handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT);
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this->bDontRelIn_ = true;
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this->pipeStdInRead_ = handle;
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}
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}
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{
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HANDLE nulFile;
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#define NEW_NULL_HANDLE \
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{ \
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nulFile = CreateFileA("NUL", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL); \
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SetHandleInformation(nulFile, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT); \
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}
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if (this->pipeStdInRead_ == INVALID_HANDLE_VALUE)
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{
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NEW_NULL_HANDLE;
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this->pipeStdInRead_ = nulFile;
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}
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if (this->pipeStdErrWrite_ == INVALID_HANDLE_VALUE)
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{
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NEW_NULL_HANDLE;
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this->pipeStdErrWrite_ = nulFile;
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}
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if (this->pipeStdOutWrite_ == INVALID_HANDLE_VALUE)
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{
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NEW_NULL_HANDLE;
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this->pipeStdOutWrite_ = nulFile;
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}
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}
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if (this->startup_.fwdIn == EStreamForward::eAsyncPipe || this->startup_.fwdOut == EStreamForward::eAsyncPipe)
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{
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this->fsHandle_ = AuIO::IOHandleShared();
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if (!this->fsHandle_)
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{
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return false;
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}
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this->fsStream_ = AuMakeShared<IO::FS::NtAsyncFileStream>();
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if (!this->fsStream_)
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{
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return false;
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}
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this->fsHandle_->InitFromPairMove((AuUInt64)this->pipeStdOutRead_, (AuUInt64)this->pipeStdInWrite_);
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AuStaticCast<AuIO::AFileHandle>(this->fsHandle_)->bIsAsync = true;
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this->fsStream_->Init(this->fsHandle_);
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}
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if (this->startup_.fwdErr == EStreamForward::eAsyncPipe)
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{
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this->fsErrorHandle_ = AuIO::IOHandleShared();
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if (!this->fsErrorHandle_)
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{
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return false;
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}
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this->fsErrorStream_ = AuMakeShared<IO::FS::NtAsyncFileStream>();
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if (!this->fsErrorStream_)
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{
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return false;
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}
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this->fsErrorHandle_->InitFromPairMove((AuUInt64)this->pipeStdErrRead_, {});
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AuStaticCast<AuIO::AFileHandle>(this->fsErrorHandle_)->bIsAsync = true;
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this->fsErrorStream_->Init(this->fsErrorHandle_);
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}
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return true;
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}
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AuSPtr<AuIO::IAsyncTransaction> ProcessImpl::NewAsyncTransaction()
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{
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return this->fsStream_ ? this->fsStream_->NewTransaction() : AuSPtr<AuIO::IAsyncTransaction> {};
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}
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AuSPtr<AuIO::IAsyncTransaction> ProcessImpl::NewErrorStreamAsyncTransaction()
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{
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return this->fsErrorStream_ ? this->fsErrorStream_->NewTransaction() : AuSPtr<AuIO::IAsyncTransaction> {};
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}
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bool ProcessImpl::Start()
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{
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if (this->process_ != INVALID_HANDLE_VALUE)
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{
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return false;
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}
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if (this->type_ == ESpawnType::eSpawnOvermap)
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{
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_spawnv(_P_OVERLAY, this->startup_.process.c_str(), this->cargs_.data());
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SysPushErrorGen("_spawnv didn't overwrite the process map, given {} ({})", this->startup_.process, this->windowsCli_);
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return false;
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}
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PROCESS_INFORMATION processInfo = { 0 };
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{
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STARTUPINFOW startupInfo = { 0 };
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startupInfo.cb = sizeof(startupInfo);
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startupInfo.hStdInput = this->pipeStdInRead_;
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startupInfo.hStdError = this->pipeStdErrWrite_;
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startupInfo.hStdOutput = this->pipeStdOutWrite_;
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startupInfo.dwFlags |= STARTF_USESTDHANDLES;
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auto cwd = this->startup_.workingDirectory;
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std::wstring wcwd;
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if (cwd)
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{
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wcwd = Locale::ConvertFromUTF8(cwd.value());
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if (!wcwd.size())
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{
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SysPushErrorMem();
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return false;
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}
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}
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AuUInt32 uCreateFlags {};
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if (this->startup_.type == ESpawnType::eSpawnThreadLeader)
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{
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uCreateFlags |= DETACHED_PROCESS | CREATE_NEW_PROCESS_GROUP;
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}
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else
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{
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if (((this->startup_.fwdIn == EStreamForward::eNewConsoleWindow) ||
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(this->startup_.fwdErr == EStreamForward::eNewConsoleWindow) ||
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(this->startup_.fwdOut == EStreamForward::eNewConsoleWindow)) &&
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(!this->startup_.bNoShowConsole))
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{
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uCreateFlags |= CREATE_NEW_CONSOLE;
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}
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}
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if (this->startup_.bInDebugMode)
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{
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uCreateFlags |= CREATE_SUSPENDED;
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}
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if (this->startup_.bNoShowConsole)
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{
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// yea we can keep CREATE_NO_WINDOW on for non-console apps. its legal -> https://docs.microsoft.com/en-us/windows/win32/procthread/process-creation-flags
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uCreateFlags |= CREATE_NO_WINDOW;
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}
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auto result = CreateProcessW(Locale::ConvertFromUTF8(this->startup_.process).c_str(),
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Locale::ConvertFromUTF8(this->windowsCli_).data(),
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NULL, NULL, true,
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uCreateFlags,
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NULL, wcwd.size() ? wcwd.data() : nullptr, &startupInfo, &processInfo);
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if (!result)
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{
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DWORD wr = GetLastError();
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SysPushErrorGen("CreateProcess failed");
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return false;
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}
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this->process_ = processInfo.hProcess;
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this->hthread_ = processInfo.hThread;
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RelOtherHandles();
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if (this->type_ == ESpawnType::eSpawnChildProcessWorker)
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{
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#if defined(AURORA_PLATFORM_WIN32)
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AssignJobWorker(processInfo.hProcess);
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#endif
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}
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}
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// TODO: delegate to a singular worker thread / SetThreadPoolWait
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auto a = [=]()
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{
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HANDLE b[] =
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{
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this->poke_, processInfo.hProcess
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};
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WaitForMultipleObjects(2, b, FALSE, INFINITE);
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DWORD exitCode;
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auto result = GetExitCodeProcess(processInfo.hProcess, &exitCode);
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if (result)
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{
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this->exitCode_ = exitCode;
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}
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};
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this->thread_ = AuThreads::ThreadUnique(AuThreads::ThreadInfo(
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AuMakeShared<AuThreads::IThreadVectorsFunctional>(AuThreads::IThreadVectorsFunctional::OnEntry_t(std::bind(a)),
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AuThreads::IThreadVectorsFunctional::OnExit_t{})
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));
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if (!this->thread_)
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{
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return false;
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}
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this->loopSource_ = AuMakeShared<ProcessAliveLoopSource>(this->process_);
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if (!this->loopSource_)
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{
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return {};
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}
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this->thread_->Run();
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return true;
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}
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void ProcessImpl::RelOtherHandles()
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{
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if (!this->bDontRelOut_)
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{
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AuWin32CloseHandle(this->pipeStdOutWrite_);
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}
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if (!this->bDontRelErr_)
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{
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AuWin32CloseHandle(this->pipeStdErrWrite_);
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}
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if (!this->bDontRelIn_)
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{
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AuWin32CloseHandle(this->pipeStdInRead_);
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}
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}
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AUKN_SYM IProcess *SpawnNew(const StartupParmaters ¶ms)
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{
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try
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{
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auto hi = _new ProcessImpl(params);
|
|
if (!hi)
|
|
{
|
|
return {};
|
|
}
|
|
|
|
if (!hi->Init())
|
|
{
|
|
delete hi;
|
|
return {};
|
|
}
|
|
|
|
return hi;
|
|
}
|
|
catch (...)
|
|
{
|
|
return {};
|
|
}
|
|
}
|
|
|
|
AUKN_SYM void SpawnRelease(IProcess *process)
|
|
{
|
|
AuSafeDelete<ProcessImpl *>(process);
|
|
}
|
|
} |