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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zenhorde/hordeclient.h>
#include <zencore/logbase.h>
#include <cstddef>
#include <cstdint>
#include <memory>
#if ZEN_PLATFORM_WINDOWS
# undef SendMessage
#endif
namespace zen::horde {
/** Abstract base interface for compute transports.
*
* Matches the UE FComputeTransport pattern. Concrete implementations handle
* the underlying I/O (TCP, AES-wrapped, etc.) while this interface provides
* blocking message helpers on top.
*/
class ComputeTransport
{
public:
virtual ~ComputeTransport() = default;
virtual bool IsValid() const = 0;
virtual size_t Send(const void* Data, size_t Size) = 0;
virtual size_t Recv(void* Data, size_t Size) = 0;
virtual void MarkComplete() = 0;
virtual void Close() = 0;
/** Blocking send that loops until all bytes are transferred. Returns false on error. */
bool SendMessage(const void* Data, size_t Size);
/** Blocking receive that loops until all bytes are transferred. Returns false on error. */
bool RecvMessage(void* Data, size_t Size);
};
/** TCP socket transport using ASIO.
*
* Connects to the Horde compute endpoint specified by MachineInfo and provides
* raw TCP send/receive. ASIO internals are hidden behind a pimpl to keep the
* header clean.
*/
class TcpComputeTransport final : public ComputeTransport
{
public:
explicit TcpComputeTransport(const MachineInfo& Info);
~TcpComputeTransport() override;
bool IsValid() const override;
size_t Send(const void* Data, size_t Size) override;
size_t Recv(void* Data, size_t Size) override;
void MarkComplete() override;
void Close() override;
private:
LoggerRef Log() { return m_Log; }
struct Impl;
std::unique_ptr<Impl> m_Impl;
LoggerRef m_Log;
bool m_IsClosed = false;
bool m_HasErrors = false;
};
} // namespace zen::horde
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