/// <summary>
/// Roll Changes (create FBQE for new space, process new allocation)
/// Call from VSEngine when 'Open' or after extesion
/// </summary>
internal void VerifySpaceChanges()
{
FreeSpaceMgr = new VSFreeSpaceManager(this);
// Process new allocations if exists
short n_new = vm.ReadShort(DEFS.SYSTEM_ALLOCATION_ADDRESS);
if (n_new > 0)
{
long e_address = DEFS.SYSTEM_ALLOCATION_ADDRESS + 2;
for (int i = 0; i < n_new; i++)
{
long fstart = vm.ReadLong(e_address);
long fend = vm.ReadLong(e_address + 8);
if (FreeSpaceMgr.LAST < 0)
{
FreeSpaceMgr.AddFBQE(fstart, fend - fstart, FreeSpaceMgr.LAST, -1);
}
else
{
VSFreeSpaceManager.FBQE fp = FreeSpaceMgr.GetFBQE(FreeSpaceMgr.LAST);
if (fp.ADDRESS_END == fstart) //Extend last FBQE
{
FreeSpaceMgr.UpdateFBQE(FreeSpaceMgr.LAST, fp.ADDRESS_START, fp.LENGTH + fend - fstart);
}
else
{
FreeSpaceMgr.AddFBQE(fstart, fend - fstart, FreeSpaceMgr.LAST, -1);
}
}
e_address += 16;
}
// Cleanup allocation table
vm.Write(DEFS.SYSTEM_ALLOCATION_ADDRESS, (short)0);
// Expand FBQE block if needed
FreeSpaceMgr.CheckFreeQueueSize();
}
//Initialize KeyHelper
key_manager = new VSKeyManager(this);
//Check pool areas descriptors, create if nulls
A_POOL_USER_DEFINED = GetRootAllocation(DEFS.POOL_USER_DEFINED);
if (A_POOL_USER_DEFINED == null)
{
A_POOL_USER_DEFINED = AllocateSpace(DEFS.ALLOCATION_USER_DEFINED, DEFS.POOL_USER_DEFINED, false, 0);
}
A_POOL_DYNAMIC = GetRootAllocation(DEFS.POOL_DYNAMIC);
if (A_POOL_DYNAMIC == null)
{
A_POOL_DYNAMIC = AllocateSpace(DEFS.ALLOCATION_DYNAMIC, DEFS.POOL_DYNAMIC, false, 0);
}
}
////////////////////////////////////////////////////////////////////////////
////////////////////// COMMON METHODS ///////////////////////////////////
////////////////////////////////////////////////////////////////////////////
/// <summary>
/// Attach new address space. Return 0 - successful; -1 - error
/// </summary>
/// <param name="_path"></param>
/// <param name="_cat_file"></param>
/// <param name="idx"></param>
/// <returns></returns>
internal string Attach(VSCatalogDescriptor desc, VSVirtualMemoryManager vmm, VSTransaction ta, bool imo)
{
DESCRIPTOR = desc;
vm = vmm;
vs_imo = imo;
// Check if restore is not completed
long l = vm.ReadLong(DEFS.SYSTEM_STATUS_ADDRESS);
if (l != 0)
{
return(VSException.GetMessage(DEFS.E0009_RESTORE_NOT_COMPLETED_CODE) + " Space: " + Name);
}
// Build index list
index_list = new List <VSIndex>();
index_list_full = new List <VSIndex>();
long addr = GetRootAddress(DEFS.POOL_INDEX); // Get 1st ADSC addredd
while (addr > 0)
{
VSIndex xd = new VSIndex(this, addr);
index_list_full.Add(xd);
if (xd.Name.IndexOf(DEFS.INDEX_CROSS_REFERENCES) < 0)
{
index_list.Add(xd);
}
addr = xd.NEXT;
}
// Set ref indexes
for (int i = 0; i < index_list.Count; i++)
{
set_ref_index(index_list[i]);
}
return("");
}