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#pragma once
#include <thread>
#include <torch/csrc/distributed/c10d/TCPStore.hpp>
#include <torch/csrc/distributed/c10d/socket.h>
#ifdef _WIN32
#include <io.h>
#include <winsock2.h>
#else
#include <poll.h>
#include <unistd.h>
#endif
namespace c10d::detail {
// Magic number for client validation.
static const uint32_t validationMagicNumber = 0x3C85F7CE;
enum class QueryType : uint8_t {
VALIDATE,
SET,
COMPARE_SET,
GET,
ADD,
CHECK,
WAIT,
GETNUMKEYS,
DELETE_KEY,
APPEND,
MULTI_GET,
MULTI_SET,
CANCEL_WAIT,
PING,
};
enum class CheckResponseType : uint8_t { READY, NOT_READY };
enum class WaitResponseType : uint8_t { STOP_WAITING, WAIT_CANCELED };
// Abstract base class to handle thread state for TCPStoreMasterDaemon.
// Contains the windows/unix implementations to signal a
// shutdown sequence for the thread
class BackgroundThread {
public:
explicit BackgroundThread();
virtual ~BackgroundThread() = 0;
virtual std::uint16_t port() const = 0;
void start();
bool stop_requested();
protected:
void dispose();
virtual void run() = 0;
virtual void stop() = 0;
bool is_running() {
return is_running_.load();
}
private:
std::atomic<bool> is_running_{false};
std::thread daemonThread_{};
};
std::unique_ptr<BackgroundThread> create_tcpstore_backend(
const TCPStoreOptions& opts);
std::unique_ptr<BackgroundThread> create_libuv_tcpstore_backend(
const TCPStoreOptions& opts);
bool is_libuv_tcpstore_backend_available();
} // namespace c10d::detail
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