internal BackupIndex GetFullIndex(long refTaskId)
{
BackupIndex bi = null;
try{
bi.OpenByName("s" + refTaskId + ".idx");
}
catch (System.IO.FileNotFoundException) { // synthetic not found, ref backup might be a full, let's try
try{
bi.OpenByTaskId(refTaskId);
if (bi.Header.BackupType == P2PBackup.Common.BackupType.Full)
{
return(bi);
}
else // ref task was not a full and no synthetic full, re-generate a synthetic
{
Logger.Append(Severity.WARNING, "Could not find reference task synthetic index, will try to re-create...");
}
}
catch (System.IO.FileNotFoundException) { //INDEX not found. ask to hub and retrieve from storage node
Logger.Append(Severity.WARNING, "Could not find synthetic nor partial indexes, will try to retrieve them");
}
}
return(null);
}
internal void CreateSyntheticFullIndex(long referenceTask, long task)
{
BackupIndex refIndex = null;
BackupIndex mergeIndex = null;
try{
//Console.WriteLine ("CreateSyntheticFullIndex(): 1");
refIndex = new BackupIndex();
//Console.WriteLine ("CreateSyntheticFullIndex(): 2");
mergeIndex = new BackupIndex(task);
//Console.WriteLine ("CreateSyntheticFullIndex(): 3");
refIndex.OpenByTaskId(referenceTask);
Logger.Append(Severity.DEBUG, "Opened reference index " + referenceTask + "...");
//Console.WriteLine ("CreateSyntheticFullIndex(): 4");
taskIndex.OpenByTaskId(task);
Console.WriteLine("CreateSyntheticFullIndex() : opened indexes");
if (refIndex.Header.TaskId != referenceTask)
{
Logger.Append(Severity.ERROR, "Reference index doesn't handle expected task (wanted " + referenceTask + ", got " + refIndex.Header.TaskId);
return;
}
// synthetic index will have the header of the just-ended task
mergeIndex.Header = taskIndex.Header;
mergeIndex.WriteHeaders();
BChunk refChunk;
//taskChunk = taskIndex.ReadChunk();
// walk the reference (synthetic) index and merge changes from the new backup index.
while ((refChunk = refIndex.ReadChunk()) != null)
{
Console.WriteLine("CreateSFI() : reading chunk " + refChunk.Name + ", " + refChunk.Files.Count + " items");
for (int i = refChunk.Files.Count - 1; i >= 0; i--)
{
//foreach(IFile item in refChunk.Files){
//Console.WriteLine("CreateSFI() : chunk "+refChunk.Name+", item "+item.OriginalFullPath+", type="+item.Kind);
IFSEntry newEntry = SearchItemInActualIndex(refChunk.Files[i]);
if (newEntry != null)
{
Console.WriteLine("CreateSFI() : found updated entry " + newEntry.OriginalFullPath);
refChunk.Files.RemoveAt(i);
}
}
if (refChunk.Files.Count > 0)
{
mergeIndex.AddChunk(refChunk);
}
}
foreach (BChunk newChunk in actualTaskChunks)
{
mergeIndex.AddChunk(newChunk);
}
}
catch (Exception e) {
Logger.Append(Severity.ERROR, "Error creating synthetic full index : " + e.Message + " ---- " + e.StackTrace);
}
finally{
try{
refIndex.Terminate();
taskIndex.Terminate();
mergeIndex.Terminate();
}
catch (Exception e) {
// harmless for backup and indexes consistency, but will leave open files descriptors.
// However this case should not happen in real-life
Logger.Append(Severity.ERROR, "Error closing indexes : " + e.Message);
}
}
}
