/// <summary>
/// Gey index names by space prefix
/// </summary>
/// <param name="space_name"></param>
/// <returns></returns>
private string[] get_indexes_for_space(string space_name)
{
List <string> lx = new List <string>();
string nm = space_name.Trim().ToLower();
for (int i = 0; i < index_list.Count; i++)
{
string[] parsed_name = new string[2];
parsed_name[0] = DEFS.ParseIndexSpace(index_list[i].Name);
parsed_name[1] = DEFS.ParseIndexName(index_list[i].Name);
if (nm == "")
{
if (parsed_name[0] == "")
{
lx.Add(parsed_name[1]);
}
}
else
{
if (VSLib.Compare(nm, parsed_name[0]))
{
lx.Add(parsed_name[1]);
}
}
}
return(lx.ToArray());
}
/// <summary>
/// Array of the field names by pattern
/// </summary>
public string[] GetFields(string pattern = "*")
{
sync_cache();
if (FCache == null)
{
return(new string[0]);
}
List <string> ls = new List <string>();
for (int i = 0; i < FCache.Count; i++)
{
if (VSLib.Compare(pattern, FCache[i].NAME))
{
ls.Add(FCache[i].NAME);
}
}
return(ls.ToArray());
}
/// <summary>
/// Display space/storage name
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public string[] List(string name = "*")
{
List <string> l = new List <string>();
string[] sp_list = GetSpaceNameList();
bool nf = false;
long sz = GetStorageSize();
if (name == "*")
{
l.Add("Storage size: " + sz.ToString("#,#;(#,#)") + " bytes (" + (sz / 1048576).ToString("#,#;(#,#)") + " Mb)");
}
for (int i = 0; i < sp_list.Length; i++)
{
if (l.Count > 0)
{
l.Add(" ");
}
if (VSLib.Compare(name.Trim().ToLower(), sp_list[i]))
{
nf = true;
string[] info = GetSpaceHeaderInfo(sp_list[i]);
for (int j = 0; j < info.Length; j++)
{
l.Add(info[j]);
}
}
}
if (!nf)
{
l.Add("No space found matching search criteria '" + name + "'");
}
return(l.ToArray());
}
/// <summary>
/// Remove space: name: space name
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public void Remove(string name)
{
if (state != DEFS.STATE_DEFINED)
{
throw new VSException(DEFS.E0025_STORAGE_UNABLE_TO_COMPLETE_CODE, "- 'Remove' (storage is opened or undefined)");
}
if (!this.Lock())
{
throw new VSException(DEFS.E0001_UNABLE_TO_LOCK_CODE, "(Remove space)");
}
for (int n = (CATALOG.Count - 1); n >= 0; n--)
{
if (VSLib.Compare(name, CATALOG[n].Name))
{
if (!IMO)
{
for (int i = 0; i < CATALOG[n].Partitions; i++)
{
System.IO.File.Delete(GetSpaceFileName(CATALOG[n].Name, CATALOG[n].Path, i));
}
FileStream fp = new FileStream(TransactionFileName, FileMode.Create);
fp.Close();
CATALOG.Delete(CATALOG[n].Name);
CATALOG.Save();
}
else
{
CATALOG.Delete(CATALOG[n].Name);
}
}
}
Release();
}
/// <summary>
/// Dump storage
/// Space name - 32
/// System area - 1024
/// Pool area - 4096
/// </summary>
private void dump(VSIO IO, string name)
{
bool was_opened = false;
uint e_code = IO.GetEncryption() ? e_code = DEFS.DATA_ENCRYPTED : e_code = DEFS.DATA_NOT_ENCRYPTED;
if (state == DEFS.STATE_OPENED)
{
if (TA.Started)
{
throw new VSException(DEFS.E0025_STORAGE_UNABLE_TO_COMPLETE_CODE, "- Dump (transaction is in progress)");
}
was_opened = true;
}
else
{
Open(null);
}
string[] spaces = this.GetSpaceList();
bool encr = IO.GetEncryption();
IO.SetEncryption(false);
IO.Write(0, e_code); // + 0 (4)Encryption indicator
IO.SetEncryption(encr);
IO.Write(-1, DEFS.DUMP_SIGNATURE_INCOMPLETE); // + 4 (4) Signature 'incomplete'
IO.Write(-1, (int)0); // + 8 (4) CRC placeholder
IO.Write(-1, (long)0); // +12 (8)Total length
for (int sp_index = 0; sp_index < spaces.Length; sp_index++)
{
VSpace sp = GetSpace(spaces[sp_index]);
VSVirtualMemoryManager vm = GetVM(spaces[sp_index]);
if ((name == "") | (VSLib.Compare(name, sp.Name)))
{
long sp_hdr_pos = IO.GetPosition(); // Position for header(number of bytes)
IO.Write(-1, (long)0);
// Save space header
IO.Write(-1, (short)sp.Name.Length); // Space neme length (short)
IO.Write(-1, sp.Name); // Space name
IO.Write(-1, (short)sp.Owner.Length); // Space owner length (short)
IO.Write(-1, sp.Owner); // Space owner
//////////////////////////////////////////////////////////////
// Save keys
//////////////////////////////////////////////////////////////
IO.Write(-1, DEFS.DUMP_KEYS_SIGNATURE); // Start keys
VSKeyManager kh = sp.KeyManager;
kh.Reset();
while (kh.Next())
{
long k = kh.Current;
IO.Write(-1, k);
}
IO.Write(-1, (long)-1); // End keys
// Save pool ares (starting from 2)
short[] pools = sp.GetPoolsForDump(); // Create list of pools
for (int i = 0; i < pools.Length; i++)
{
long a_desc = sp.GetFirstAddress(pools[i]);
while (a_desc > 0)
{
VSAllocation a = sp.GetAllocationByDescriptor(a_desc);
//////////// Save ADSC fields ///////////
IO.Write(-1, a.Id);
IO.Write(-1, a.Pool);
IO.Write(-1, (a.Chunk == 0) ? a.Length : a.Size); // Memory size
IO.Write(-1, a.ChunkSize); // Chunk sizeMemory size
IO.Write(-1, a.ALLOC); // Alloc version (object)
IO.Write(-1, a.FIXED); // Fixed part (object)
//////////// Save data //////////////////
byte[] b = vm.ReadBytes(a.Address, a.Length);
IO.Write(-1, ref b);
a_desc = a.NEXT;
if (a.Chunk != 0)
{
while (a_desc != 0)
{
a = sp.GetAllocationByDescriptor(a_desc);
if ((a.Chunk == 0) | (a.Chunk == 1))
{
break;
}
b = vm.ReadBytes(a.Address, a.Length);
IO.Write(-1, ref b);
a_desc = a.NEXT;
}
}
}
}
long sp_count = IO.GetPosition() - sp_hdr_pos; // Calculate count
long current_pos = IO.GetPosition(); // Save current position
IO.Write(sp_hdr_pos, sp_count); // Write count to the header (incl hdr)
IO.SetPosition(current_pos); // Restore position
}
}
IO.Write(-1, (long)-1); // Write eof indicator
IO.Write(12, (long)IO.GetLength()); // + 8 (8) - Total length
IO.Flush();
uint c = IO.GetCRC32(12, -1); // calculate CRC32
IO.Write(8, c); // + 4 (4) - CRC32
IO.Write(4, DEFS.DUMP_SIGNATURE); // Signature 'complete'
IO.Flush();
if (!was_opened)
{
Close();
}
}
