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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/server_session.cpp | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp new file mode 100644 index 000000000..146458c1c --- /dev/null +++ b/src/core/hle/kernel/server_session.cpp @@ -0,0 +1,79 @@ +// 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_session.h" +#include "core/hle/kernel/server_session.h" +#include "core/hle/kernel/thread.h" + +namespace Kernel { + +ServerSession::ServerSession() = default; +ServerSession::~ServerSession() { + // This destructor will be called automatically when the last ServerSession handle is closed by + // the emulated application. + // TODO(Subv): Reduce the ClientPort's connection count, + // if the session is still open, set the connection status to 3 (Closed by server), +} + +ResultVal<SharedPtr<ServerSession>> ServerSession::Create( + std::string name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) { + SharedPtr<ServerSession> server_session(new ServerSession); + + server_session->name = std::move(name); + server_session->signaled = false; + server_session->hle_handler = std::move(hle_handler); + + 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 its ClientSession, so wake up any threads that may be waiting on a svcReplyAndReceive or + // similar. + + // If this ServerSession has an associated HLE handler, forward the request to it. + if (hle_handler != nullptr) { + // Attempt to translate the incoming request's command buffer. + ResultCode result = TranslateHLERequest(this); + if (result.IsError()) + return result; + hle_handler->HandleSyncRequest(SharedPtr<ServerSession>(this)); + // TODO(Subv): Translate the response command buffer. + } + + // If this ServerSession does not have an HLE implementation, just wake up the threads waiting + // on it. + signaled = true; + WakeupAllWaitingThreads(); + return RESULT_SUCCESS; +} + +ServerSession::SessionPair ServerSession::CreateSessionPair( + const std::string& name, std::shared_ptr<Service::SessionRequestHandler> hle_handler) { + auto server_session = + ServerSession::Create(name + "_Server", std::move(hle_handler)).MoveFrom(); + // We keep a non-owning pointer to the ServerSession in the ClientSession because we don't want + // to prevent the ServerSession's destructor from being called when the emulated + // application closes the last ServerSession handle. + auto client_session = ClientSession::Create(server_session.get(), name + "_Client").MoveFrom(); + + return std::make_tuple(std::move(server_session), std::move(client_session)); +} + +ResultCode TranslateHLERequest(ServerSession* server_session) { + // TODO(Subv): Implement this function once multiple concurrent processes are supported. + return RESULT_SUCCESS; +} +} |