tma: first pass at TmaServiceManager

stratosphere/tma/source/tma_conn_packet.hpp

@@ -43,6 +43,7 @@ class TmaPacket {
     private:
         std::unique_ptr<u8[]> buffer = std::make_unique<u8[]>(MaxPacketSize);
         u32 offset = 0;
+        HosMessageQueue *free_queue = nullptr;
         
         Header *GetHeader() const {
             return reinterpret_cast<Header *>(buffer.get());
@@ -95,6 +96,14 @@ class TmaPacket {
             }
         }
         
+        HosMessageQueue *GetFreeQueue() const {
+            return this->free_queue;
+        }
+        
+        void SetFreeQueue(HosMessageQueue *queue) {
+            this->free_queue = queue;
+        }
+        
         void SetChecksums() {
             Header *hdr = GetHeader();
             if (hdr->body_len) {
@@ -161,6 +170,10 @@ class TmaPacket {
             this->offset = 0;
         }
         
+        void SetBodyLength() {
+            GetHeader()->body_len = this->offset;
+        }
+        
         TmaConnResult Write(const void *data, size_t size) {
             if (size > GetBodyAvailableLength()) {
                 return TmaConnResult::PacketOverflow;