IPC services refactoring (#726)

* IPC services refactoring

- Use custom Attributes to handle services.
- Add a way to set the permissions and fix the bsd service to use it.
- Little cleanup.
- C#7.1 is required.

* fix var name

* fix syntax

* Change Permission to Parameter

* Delete BsdServicePermissionLevel.cs

* Fix Linq

1 files changed, 8 insertions, 3 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Friend/IServiceCreator.cs b/Ryujinx.HLE/HOS/Services/Friend/IServiceCreator.cs
index dea9d9ae..af97391d 100644
--- a/Ryujinx.HLE/HOS/Services/Friend/IServiceCreator.cs
+++ b/Ryujinx.HLE/HOS/Services/Friend/IServiceCreator.cs
@@ -7,15 +7,20 @@ using static Ryujinx.HLE.HOS.ErrorCode;
 
 namespace Ryujinx.HLE.HOS.Services.Friend
 {
+    [Service("friend:a", FriendServicePermissionLevel.Admin)]
+    [Service("friend:m", FriendServicePermissionLevel.Manager)]
+    [Service("friend:s", FriendServicePermissionLevel.System)]
+    [Service("friend:u", FriendServicePermissionLevel.User)]
+    [Service("friend:v", FriendServicePermissionLevel.Overlay)]
     class IServiceCreator : IpcService
     {
-        private Dictionary<int, ServiceProcessRequest> _commands;
-
         private FriendServicePermissionLevel _permissionLevel;
 
+        private Dictionary<int, ServiceProcessRequest> _commands;
+
         public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
 
-        public IServiceCreator(FriendServicePermissionLevel permissionLevel)
+        public IServiceCreator(ServiceCtx context, FriendServicePermissionLevel permissionLevel)
         {
             _commands = new Dictionary<int, ServiceProcessRequest>
             {