4 files changed, 113 insertions, 0 deletions
diff --git a/src/Ryujinx.Horizon/Friends/FriendsIpcServer.cs b/src/Ryujinx.Horizon/Friends/FriendsIpcServer.cs
new file mode 100644
index 00000000..523c617a
--- /dev/null
+++ b/src/Ryujinx.Horizon/Friends/FriendsIpcServer.cs
@@ -0,0 +1,49 @@
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+
+namespace Ryujinx.Horizon.Friends
+{
+    class FriendsIpcServer
+    {
+        private const int MaxSessionsCount = 8;
+        private const int TotalMaxSessionsCount = MaxSessionsCount * 5;
+
+        private const int PointerBufferSize = 0xA00;
+        private const int MaxDomains = 64;
+        private const int MaxDomainObjects = 16;
+        private const int MaxPortsCount = 5;
+
+        private static readonly ManagerOptions _managerOptions = new(PointerBufferSize, MaxDomains, MaxDomainObjects, false);
+
+        private SmApi _sm;
+        private FriendsServerManager _serverManager;
+
+        public void Initialize()
+        {
+            HeapAllocator allocator = new();
+
+            _sm = new SmApi();
+            _sm.Initialize().AbortOnFailure();
+
+            _serverManager = new FriendsServerManager(allocator, _sm, MaxPortsCount, _managerOptions, TotalMaxSessionsCount);
+
+#pragma warning disable IDE0055 // Disable formatting
+            _serverManager.RegisterServer((int)FriendsPortIndex.Admin,   ServiceName.Encode("friend:a"), MaxSessionsCount);
+            _serverManager.RegisterServer((int)FriendsPortIndex.User,    ServiceName.Encode("friend:u"), MaxSessionsCount);
+            _serverManager.RegisterServer((int)FriendsPortIndex.Viewer,  ServiceName.Encode("friend:v"), MaxSessionsCount);
+            _serverManager.RegisterServer((int)FriendsPortIndex.Manager, ServiceName.Encode("friend:m"), MaxSessionsCount);
+            _serverManager.RegisterServer((int)FriendsPortIndex.System,  ServiceName.Encode("friend:s"), MaxSessionsCount);
+#pragma warning restore IDE0055
+        }
+
+        public void ServiceRequests()
+        {
+            _serverManager.ServiceRequests();
+        }
+
+        public void Shutdown()
+        {
+            _serverManager.Dispose();
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Friends/FriendsMain.cs b/src/Ryujinx.Horizon/Friends/FriendsMain.cs
new file mode 100644
index 00000000..0f119cf0
--- /dev/null
+++ b/src/Ryujinx.Horizon/Friends/FriendsMain.cs
@@ -0,0 +1,17 @@
+namespace Ryujinx.Horizon.Friends
+{
+    class FriendsMain : IService
+    {
+        public static void Main(ServiceTable serviceTable)
+        {
+            FriendsIpcServer ipcServer = new();
+
+            ipcServer.Initialize();
+
+            serviceTable.SignalServiceReady();
+
+            ipcServer.ServiceRequests();
+            ipcServer.Shutdown();
+        }
+    }
+}
diff --git a/src/Ryujinx.Horizon/Friends/FriendsPortIndex.cs b/src/Ryujinx.Horizon/Friends/FriendsPortIndex.cs
new file mode 100644
index 00000000..f567db30
--- /dev/null
+++ b/src/Ryujinx.Horizon/Friends/FriendsPortIndex.cs
@@ -0,0 +1,11 @@
+namespace Ryujinx.Horizon.Friends
+{
+    enum FriendsPortIndex
+    {
+        Admin,
+        User,
+        Viewer,
+        Manager,
+        System,
+    }
+}
diff --git a/src/Ryujinx.Horizon/Friends/FriendsServerManager.cs b/src/Ryujinx.Horizon/Friends/FriendsServerManager.cs
new file mode 100644
index 00000000..5026206b
--- /dev/null
+++ b/src/Ryujinx.Horizon/Friends/FriendsServerManager.cs
@@ -0,0 +1,36 @@
+using Ryujinx.Horizon.Common;
+using Ryujinx.Horizon.Sdk.Account;
+using Ryujinx.Horizon.Sdk.Friends.Detail.Ipc;
+using Ryujinx.Horizon.Sdk.Sf.Hipc;
+using Ryujinx.Horizon.Sdk.Sm;
+using System;
+
+namespace Ryujinx.Horizon.Friends
+{
+    class FriendsServerManager : ServerManager
+    {
+        private readonly IEmulatorAccountManager _accountManager;
+        private readonly NotificationEventHandler _notificationEventHandler;
+
+        public FriendsServerManager(HeapAllocator allocator, SmApi sm, int maxPorts, ManagerOptions options, int maxSessions) : base(allocator, sm, maxPorts, options, maxSessions)
+        {
+            _accountManager = HorizonStatic.Options.AccountManager;
+            _notificationEventHandler = new();
+        }
+
+        protected override Result OnNeedsToAccept(int portIndex, Server server)
+        {
+            return (FriendsPortIndex)portIndex switch
+            {
+#pragma warning disable IDE0055 // Disable formatting
+                FriendsPortIndex.Admin   => AcceptImpl(server, new ServiceCreator(_accountManager, _notificationEventHandler, FriendsServicePermissionLevel.Admin)),
+                FriendsPortIndex.User    => AcceptImpl(server, new ServiceCreator(_accountManager, _notificationEventHandler, FriendsServicePermissionLevel.User)),
+                FriendsPortIndex.Viewer  => AcceptImpl(server, new ServiceCreator(_accountManager, _notificationEventHandler, FriendsServicePermissionLevel.Viewer)),
+                FriendsPortIndex.Manager => AcceptImpl(server, new ServiceCreator(_accountManager, _notificationEventHandler, FriendsServicePermissionLevel.Manager)),
+                FriendsPortIndex.System  => AcceptImpl(server, new ServiceCreator(_accountManager, _notificationEventHandler, FriendsServicePermissionLevel.System)),
+                _                        => throw new ArgumentOutOfRangeException(nameof(portIndex)),
+#pragma warning restore IDE0055
+            };
+        }
+    }
+}