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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <tuple>
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/kernel/server_session.h"
#include "core/hle/kernel/thread.h"
namespace Kernel {
ServerSession::ServerSession() {}
ServerSession::~ServerSession() {}
ResultVal<SharedPtr<ServerSession>> ServerSession::Create(std::string name) {
SharedPtr<ServerSession> server_session(new ServerSession);
server_session->name = std::move(name);
server_session->signaled = false;
return MakeResult<SharedPtr<ServerSession>>(std::move(server_session));
}
bool ServerSession::ShouldWait() {
return !signaled;
}
void ServerSession::Acquire() {
ASSERT_MSG(!ShouldWait(), "object unavailable!");
signaled = false;
}
ResultCode ServerSession::HandleSyncRequest() {
// The ServerSession received a sync request, this means that there's new data available
// from one of its ClientSessions, so wake up any threads that may be waiting on a svcReplyAndReceive or similar.
signaled = true;
WakeupAllWaitingThreads();
return RESULT_SUCCESS;
}
SharedPtr<ClientSession> ServerSession::CreateClientSession() {
// In Citra, some types of ServerSessions (File and Directory sessions) are not created as a pair of Server-Client sessions,
// but are instead created as a single ServerSession, which then hands over a ClientSession on demand (When opening the File or Directory).
// The real kernel (Or more specifically, the real FS service) does create the pair of Sessions at the same time (via svcCreateSession), and simply
// stores the ClientSession until it is needed.
return ClientSession::Create(SharedPtr<ServerSession>(this), nullptr, name + "Client").MoveFrom();
}
std::tuple<SharedPtr<ServerSession>, SharedPtr<ClientSession>> ServerSession::CreateSessionPair(SharedPtr<ClientPort> client_port, const std::string& name) {
auto server_session = ServerSession::Create(name + "Server").MoveFrom();
auto client_session = ClientSession::Create(server_session, client_port, name + "Client").MoveFrom();
return std::make_tuple(server_session, client_session);
}
}
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