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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "common/common_types.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/synchronization_object.h"
#include "core/hle/result.h"
namespace Kernel {
class ClientPort;
class KernelCore;
class ServerSession;
class SessionRequestHandler;
class ServerPort final : public SynchronizationObject {
public:
explicit ServerPort(KernelCore& kernel);
~ServerPort() override;
using HLEHandler = std::shared_ptr<SessionRequestHandler>;
using PortPair = std::pair<std::shared_ptr<ServerPort>, std::shared_ptr<ClientPort>>;
/**
* Creates a pair of ServerPort and an associated ClientPort.
*
* @param kernel The kernel instance to create the port pair under.
* @param max_sessions Maximum number of sessions to the port
* @param name Optional name of the ports
* @return The created port tuple
*/
static PortPair CreatePortPair(KernelCore& kernel, u32 max_sessions,
std::string name = "UnknownPort");
std::string GetTypeName() const override {
return "ServerPort";
}
std::string GetName() const override {
return name;
}
static constexpr HandleType HANDLE_TYPE = HandleType::ServerPort;
HandleType GetHandleType() const override {
return HANDLE_TYPE;
}
/**
* Accepts a pending incoming connection on this port. If there are no pending sessions, will
* return ERR_NO_PENDING_SESSIONS.
*/
ResultVal<std::shared_ptr<ServerSession>> Accept();
/// Whether or not this server port has an HLE handler available.
bool HasHLEHandler() const {
return hle_handler != nullptr;
}
/// Gets the HLE handler for this port.
HLEHandler GetHLEHandler() const {
return hle_handler;
}
/**
* Sets the HLE handler template for the port. ServerSessions crated by connecting to this port
* will inherit a reference to this handler.
*/
void SetHleHandler(HLEHandler hle_handler_) {
hle_handler = std::move(hle_handler_);
}
/// Appends a ServerSession to the collection of ServerSessions
/// waiting to be accepted by this port.
void AppendPendingSession(std::shared_ptr<ServerSession> pending_session);
bool ShouldWait(const Thread* thread) const override;
void Acquire(Thread* thread) override;
bool IsSignaled() const override;
private:
/// ServerSessions waiting to be accepted by the port
std::vector<std::shared_ptr<ServerSession>> pending_sessions;
/// This session's HLE request handler template (optional)
/// ServerSessions created from this port inherit a reference to this handler.
HLEHandler hle_handler;
/// Name of the port (optional)
std::string name;
};
} // namespace Kernel
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