1 files changed, 68 insertions, 0 deletions

diff --git a/src/core/hle/kernel/k_port.cpp b/src/core/hle/kernel/k_port.cpp
new file mode 100644
index 000000000..734aa2a8c
--- /dev/null
+++ b/src/core/hle/kernel/k_port.cpp
@@ -0,0 +1,68 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/kernel/k_port.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/svc_results.h"
+
+namespace Kernel {
+
+KPort::KPort(KernelCore& kernel)
+    : KAutoObjectWithSlabHeapAndContainer{kernel}, server{kernel}, client{kernel} {}
+
+KPort::~KPort() = default;
+
+void KPort::Initialize(s32 max_sessions_, bool is_light_, const std::string& name_) {
+    // Open a new reference count to the initialized port.
+    Open();
+
+    // Create and initialize our server/client pair.
+    KAutoObject::Create(std::addressof(server));
+    KAutoObject::Create(std::addressof(client));
+    server.Initialize(this, name_ + ":Server");
+    client.Initialize(this, max_sessions_, name_ + ":Client");
+
+    // Set our member variables.
+    is_light = is_light_;
+    name = name_;
+    state = State::Normal;
+}
+
+void KPort::OnClientClosed() {
+    KScopedSchedulerLock sl{kernel};
+
+    if (state == State::Normal) {
+        state = State::ClientClosed;
+    }
+}
+
+void KPort::OnServerClosed() {
+    KScopedSchedulerLock sl{kernel};
+
+    if (state == State::Normal) {
+        state = State::ServerClosed;
+    }
+}
+
+bool KPort::IsServerClosed() const {
+    KScopedSchedulerLock sl{kernel};
+    return state == State::ServerClosed;
+}
+
+ResultCode KPort::EnqueueSession(KServerSession* session) {
+    KScopedSchedulerLock sl{kernel};
+
+    R_UNLESS(state == State::Normal, ResultPortClosed);
+
+    if (server.HasHLEHandler()) {
+        server.GetHLEHandler()->ClientConnected(session);
+    } else {
+        server.EnqueueSession(session);
+    }
+
+    return RESULT_SUCCESS;
+}
+
+} // namespace Kernel