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#pragma once
#include <torch/csrc/distributed/rpc/message.h>
#include <torch/csrc/distributed/rpc/rpc_command_base.h>
#include <torch/csrc/distributed/rpc/types.h>
#include <torch/csrc/jit/runtime/operator.h>
#include <torch/csrc/jit/serialization/pickler.h>
#include <vector>
namespace torch {
namespace distributed {
namespace rpc {
// Temporary solution of RRef operations.
// TODO: Remove all these messages and use rpc + registered functions instead.
class TORCH_API RRefMessageBase : public RpcCommandBase {
public:
RRefMessageBase(const RRefId& rrefId, MessageType type)
: rrefId_(rrefId), type_(type) {}
~RRefMessageBase() override = default;
const RRefId& rrefId();
protected:
// NOLINTNEXTLINE(cppcoreguidelines-non-private-member-variables-in-classes)
const RRefId rrefId_;
// NOLINTNEXTLINE(cppcoreguidelines-non-private-member-variables-in-classes)
const MessageType type_;
};
class TORCH_API ForkMessageBase : public RRefMessageBase {
public:
ForkMessageBase(const RRefId& rrefId, const ForkId& forkId, MessageType type)
: RRefMessageBase(rrefId, type), forkId_(forkId) {}
const ForkId& forkId();
c10::intrusive_ptr<Message> toMessageImpl() && override;
static std::pair<RRefId, ForkId> fromMessage(
const Message& message,
MessageType type);
protected:
// NOLINTNEXTLINE(cppcoreguidelines-non-private-member-variables-in-classes)
const ForkId forkId_;
};
// UserRRef uses this message to fetch the remote RRef value from the owner.
class TORCH_API ScriptRRefFetchCall final : public RRefMessageBase {
public:
ScriptRRefFetchCall(worker_id_t fromWorkerId, const RRefId& rrefId)
: RRefMessageBase(rrefId, MessageType::SCRIPT_RREF_FETCH_CALL),
fromWorkerId_(fromWorkerId) {}
inline worker_id_t fromWorkerId() const {
return fromWorkerId_;
}
c10::intrusive_ptr<Message> toMessageImpl() && override;
static std::unique_ptr<ScriptRRefFetchCall> fromMessage(
const Message& message);
private:
const worker_id_t fromWorkerId_;
};
class TORCH_API PythonRRefFetchCall final : public RRefMessageBase {
public:
PythonRRefFetchCall(worker_id_t fromWorkerId, const RRefId& rrefId)
: RRefMessageBase(rrefId, MessageType::PYTHON_RREF_FETCH_CALL),
fromWorkerId_(fromWorkerId) {}
c10::intrusive_ptr<Message> toMessageImpl() && override;
static std::unique_ptr<PythonRRefFetchCall> fromMessage(
const Message& message);
private:
const worker_id_t fromWorkerId_;
};
// OwnerRRef uses this message to send the RRef value to a remote UserRRef
class TORCH_API RRefFetchRet : public RpcCommandBase {
public:
RRefFetchRet(std::vector<at::IValue> values, MessageType type)
: values_(std::move(values)), type_(type) {}
const std::vector<at::IValue>& values();
c10::intrusive_ptr<Message> toMessageImpl() && override;
private:
std::vector<at::IValue> values_;
const MessageType type_;
};
class TORCH_API ScriptRRefFetchRet final : public RRefFetchRet {
public:
explicit ScriptRRefFetchRet(std::vector<at::IValue> values)
: RRefFetchRet(std::move(values), MessageType::SCRIPT_RREF_FETCH_RET) {}
static std::unique_ptr<ScriptRRefFetchRet> fromMessage(
const Message& message);
};
class TORCH_API PythonRRefFetchRet final : public RRefFetchRet {
public:
explicit PythonRRefFetchRet(std::vector<at::IValue> values)
: RRefFetchRet(std::move(values), MessageType::PYTHON_RREF_FETCH_RET) {}
static std::unique_ptr<PythonRRefFetchRet> fromMessage(
const Message& message);
};
// UserRRef (regardless it's the creator or not) uses this message to notiify
// OwnerRRef on delete.
class TORCH_API RRefUserDelete final : public ForkMessageBase {
public:
RRefUserDelete(const RRefId& rrefId, const ForkId& forkId)
: ForkMessageBase(rrefId, forkId, MessageType::RREF_USER_DELETE) {}
static std::unique_ptr<RRefUserDelete> fromMessage(const Message& message);
};
class TORCH_API RemoteRet final : public ForkMessageBase {
public:
RemoteRet(const RRefId& rrefId, const ForkId& forkId)
: ForkMessageBase(rrefId, forkId, MessageType::REMOTE_RET) {}
static std::unique_ptr<RemoteRet> fromMessage(const Message& message);
};
// A child RRef uses this message to notify its parent that the child has been
// confirmed by the owner.
class TORCH_API RRefChildAccept final : public RpcCommandBase {
public:
explicit RRefChildAccept(const ForkId& forkId) : forkId_(forkId) {}
const ForkId& forkId() const;
c10::intrusive_ptr<Message> toMessageImpl() && override;
static std::unique_ptr<RRefChildAccept> fromMessage(const Message& message);
private:
const ForkId forkId_;
};
// A child RRef uses this message to send a fork request to the owner.
class TORCH_API RRefForkRequest final : public ForkMessageBase {
public:
RRefForkRequest(const RRefId& rrefId, const ForkId& forkId)
: ForkMessageBase(rrefId, forkId, MessageType::RREF_FORK_REQUEST) {}
static std::unique_ptr<RRefForkRequest> fromMessage(const Message& message);
};
class TORCH_API RRefAck final : public RpcCommandBase {
public:
RRefAck() = default;
c10::intrusive_ptr<Message> toMessageImpl() && override;
static std::unique_ptr<RRefAck> fromMessage(const Message& message);
};
} // namespace rpc
} // namespace distributed
} // namespace torch
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