kern: SvcConnectToNamedPort

libraries/libmesosphere/source/kern_k_session.cpp

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2018-2020 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <mesosphere.hpp>
+
+namespace ams::kern {
+
+    void KSession::Initialize(KClientPort *client_port, uintptr_t name) {
+        MESOSPHERE_ASSERT_THIS();
+
+        /* Increment reference count. */
+        this->Open();
+
+        /* Create our sub sessions. */
+        KAutoObject::Create(std::addressof(this->server));
+        KAutoObject::Create(std::addressof(this->client));
+
+        /* Initialize our sub sessions. */
+        this->server.Initialize(this);
+        this->client.Initialize(this);
+
+        /* Set state and name. */
+        this->state = State::Normal;
+        this->name  = name;
+
+        /* Set our owner process. */
+        this->process = GetCurrentProcessPointer();
+        this->process->Open();
+
+        /* Set our port. */
+        this->port = port;
+        if (this->port != nullptr) {
+            this->port->Open();
+        }
+
+        /* Mark initialized. */
+        this->initialized = true;
+    }
+
+    void KSession::Finalize() {
+        if (this->port != nullptr) {
+            this->port->OnSessionFinalized();
+            this->port->Close();
+        }
+    }
+
+    void KSession::OnServerClosed() {
+        MESOSPHERE_ASSERT_THIS();
+
+        if (this->state == State::Normal) {
+            this->state = State::ServerClosed;
+            this->client.OnServerClosed();
+        }
+    }
+
+    void KSession::OnClientClosed() {
+        MESOSPHERE_ASSERT_THIS();
+
+        if (this->state == State::Normal) {
+            this->state = State::ClientClosed;
+            this->server.OnClientClosed();
+        }
+    }
+
+    void KSession::PostDestroy(uintptr_t arg) {
+        /* Release the session count resource the owner process holds. */
+        KProcess *owner = reinterpret_cast<KProcess *>(arg);
+        owner->ReleaseResource(ams::svc::LimitableResource_SessionCountMax, 1);
+        owner->Close();
+    }
+
+}