Tools/UDI - Misc touchups

[tpg/acess2.git] / Tools / NetTest / vfs_shim.c

diff --git a/Tools/NetTest/vfs_shim.c b/Tools/NetTest/vfs_shim.c
index e69de29..97ac4db 100644 (file)
--- a/Tools/NetTest/vfs_shim.c
+++ b/Tools/NetTest/vfs_shim.c
@@ -0,0 +1,124 @@
+/*
+ * Acess2 Networking Test Suite (NetTest)
+ * - By John Hodge (thePowersGang)
+ *
+ * vfs_shim.c
+ * - VFS Layer Emulation
+ */
+#include <vfs.h>
+#include <vfs_int.h>
+#include <events.h>
+
+// === CODE ===
+int VFS_SelectNode(tVFS_Node *Node, int Type, tTime *Timeout, const char *Name)
+{
+       tThread *us = Proc_GetCurThread();
+
+        int    ret = 0;
+
+       Threads_ClearEvent(THREAD_EVENT_VFS);
+
+       if( Type & VFS_SELECT_READ ) {
+               Node->ReadThreads = (void*)us;
+               if(Node->DataAvaliable) ret |= VFS_SELECT_READ;
+       }
+       if( Type & VFS_SELECT_WRITE ) {
+               Node->WriteThreads = (void*)us;
+               if(!Node->BufferFull)   ret |= VFS_SELECT_WRITE;
+       }
+       if( Type & VFS_SELECT_ERROR ) {
+               Node->ErrorThreads = (void*)us;
+               if(Node->ErrorOccurred) ret |= VFS_SELECT_ERROR;
+       }
+       
+       if( !ret )
+       {
+               // TODO: Timeout
+               Threads_WaitEvents(THREAD_EVENT_VFS);
+       }
+
+       if( Type & VFS_SELECT_READ ) {
+               Node->ReadThreads = NULL;
+               if(Node->DataAvaliable) ret |= VFS_SELECT_READ;
+       }
+       if( Type & VFS_SELECT_WRITE ) {
+               Node->WriteThreads = NULL;
+               if(!Node->BufferFull)   ret |= VFS_SELECT_WRITE;
+       }
+       if( Type & VFS_SELECT_ERROR ) {
+               Node->ErrorThreads = NULL;
+               if(Node->ErrorOccurred) ret |= VFS_SELECT_ERROR;
+       }
+       return ret;
+}
+
+int VFS_MarkAvaliable(tVFS_Node *Node, BOOL bAvail)
+{
+       Node->DataAvaliable = bAvail;
+       if( Node->DataAvaliable && Node->ReadThreads )
+               Threads_PostEvent( (void*)Node->ReadThreads, THREAD_EVENT_VFS );
+       return 0;
+}
+
+int VFS_MarkError(tVFS_Node *Node, BOOL bError)
+{
+       Node->ErrorOccurred = bError;
+       if( Node->ErrorOccurred && Node->ErrorThreads )
+               Threads_PostEvent( (void*)Node->ErrorThreads, THREAD_EVENT_VFS );
+       return 0;
+}
+
+int VFS_MarkFull(tVFS_Node *Node, BOOL bError)
+{
+       Node->BufferFull = bError;
+       if( !Node->BufferFull && Node->WriteThreads )
+               Threads_PostEvent( (void*)Node->WriteThreads, THREAD_EVENT_VFS );
+       return 0;
+}
+
+
+#if 0
+int VFS_Open(const char *Path, Uint Flags)
+{
+       return -1;
+}
+
+void VFS_Close(int FD)
+{
+}
+#endif
+
+int VFS_AllocHandle(int bIsUser, tVFS_Node *Node, int Mode)
+{
+       const int maxfd = *Threads_GetMaxFD();
+       tVFS_Handle     *handles = *Threads_GetHandlesPtr();
+       if( !handles ) {
+               handles = calloc( maxfd, sizeof(tVFS_Handle) );
+               *Threads_GetHandlesPtr() = handles;
+       }
+
+       // TODO: Global handles
+
+       for( int i = 0; i < maxfd; i ++ )
+       {
+               if( handles[i].Node == NULL ) {
+                       handles[i].Node = Node;
+                       handles[i].Mode = Mode;
+                       return i;
+               }
+       }
+       return -1;
+}
+
+tVFS_Handle *VFS_GetHandle(int FD)
+{
+       const int maxfd = *Threads_GetMaxFD();
+       tVFS_Handle     *handles = *Threads_GetHandlesPtr();
+       if( !handles )
+               return NULL;
+
+       if( FD < 0 || FD >= maxfd )
+               return NULL;
+
+       return &handles[FD];
+}