htc: skeleton HtcsManagerImpl, implement HtcsMonitor

libraries/libstratosphere/source/htcs/impl/htcs_monitor.hpp

@@ -0,0 +1,73 @@
+/*
+ * 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/>.
+ */
+#pragma once
+#include <stratosphere.hpp>
+#include "../../htc/server/driver/htc_i_driver.hpp"
+#include "../../htc/server/rpc/htc_rpc_client.hpp"
+#include "htcs_service.hpp"
+
+namespace ams::htcs::impl {
+
+    class HtcsMonitor {
+        private:
+            mem::StandardAllocator *m_allocator;
+            htc::server::driver::IDriver *m_driver;
+            htc::server::rpc::RpcClient *m_rpc_client;
+            HtcsService *m_service;
+            void *m_monitor_thread_stack;
+            os::ThreadType m_monitor_thread;
+            os::SdkMutex m_mutex;
+            os::Event m_cancel_event;
+            os::Event m_service_availability_event;
+            bool m_cancelled;
+            bool m_is_service_available;
+        private:
+            static void ThreadEntry(void *arg) {
+                static_cast<HtcsMonitor *>(arg)->ThreadBody();
+            }
+
+            void ThreadBody();
+        public:
+            HtcsMonitor(mem::StandardAllocator *allocator, htc::server::driver::IDriver *drv, htc::server::rpc::RpcClient *rc, HtcsService *srv);
+            ~HtcsMonitor();
+        public:
+            void Start();
+            void Cancel();
+            void Wait();
+
+            os::EventType *GetServiceAvailabilityEvent() { return m_service_availability_event.GetBase(); }
+
+            bool IsServiceAvailable() {
+                /* Lock ourselves. */
+                std::scoped_lock lk(m_mutex);
+
+                /* Get availability. */
+                return m_is_service_available;
+            }
+        private:
+            void SetServiceAvailability(bool available) {
+                /* Lock ourselves. */
+                std::scoped_lock lk(m_mutex);
+
+                /* Set availability. */
+                m_is_service_available = available;
+
+                /* Signal availability change. */
+                m_service_availability_event.Signal();
+            }
+    };
+
+}