fs.mitm: Get Title ID on fsp-srv init, Add worker to handle subinterfaces.

stratosphere/fs_mitm/source/fsmitm_service.hpp

@@ -3,7 +3,15 @@
 #include <stratosphere/iserviceobject.hpp>
 #include "imitmserviceobject.hpp"
 
-class FsMitMService : public IMitMServiceObject {        
+enum FspSrvCmd {
+    FspSrv_Cmd_SetCurrentProcess = 1,
+};
+
+class FsMitMService : public IMitMServiceObject {      
+    private:
+        bool has_initialized;
+        u64 process_id;
+        u64 title_id;
     public:
         virtual Result dispatch(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size);
         virtual Result postprocess(IpcParsedCommand &r, IpcCommand &out_c, u64 cmd_id, u8 *pointer_buffer, size_t pointer_buffer_size);