public override eProcessDataResult ProcessData(cBytesCursor pCursor, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cCommandHookBaseSearch), nameof(ProcessData));
if (!pCursor.SkipBytes(kSearch))
{
return(eProcessDataResult.notprocessed);
}
cUIntList lMSNs = new cUIntList();
while (true)
{
if (!pCursor.SkipByte(cASCII.SPACE))
{
break;
}
if (!pCursor.GetNZNumber(out _, out var lMSN))
{
lContext.TraceWarning("likely malformed search: not an nz-number list?");
return(eProcessDataResult.notprocessed);
}
lMSNs.Add(lMSN);
}
if (!pCursor.Position.AtEnd)
{
lContext.TraceWarning("likely malformed search: not at end?");
return(eProcessDataResult.notprocessed);
}
if (mMSNs == null)
{
mMSNs = lMSNs;
}
else
{
mMSNs.AddRange(lMSNs);
}
return(eProcessDataResult.processed);
}
private async Task ZUIDFetchCacheItemsAsync(cMethodControl pMC, iMailboxHandle pMailboxHandle, cUIDList pUIDs, cMessageCacheItems pItems, cProgress pProgress, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(ZUIDFetchCacheItemsAsync), pMC, pMailboxHandle, pUIDs, pItems);
// get the UIDValidity
uint lUIDValidity = pUIDs[0].UIDValidity;
// sort the uids so we might get good sequence sets
pUIDs.Sort();
int lIndex = 0;
Stopwatch lStopwatch = new Stopwatch();
while (lIndex < pUIDs.Count)
{
// the number of messages to fetch this time
int lFetchCount = mFetchCacheItemsSizer.Current;
// get the UIDs to fetch this time
cUIntList lUIDs = new cUIntList();
while (lIndex < pUIDs.Count && lUIDs.Count < lFetchCount)
{
lUIDs.Add(pUIDs[lIndex++].UID);
}
// fetch
lStopwatch.Restart();
await ZUIDFetchCacheItemsAsync(pMC, pMailboxHandle, lUIDValidity, lUIDs, pItems, lContext).ConfigureAwait(false);
lStopwatch.Stop();
// store the time taken so the next fetch is a better size
mFetchCacheItemsSizer.AddSample(lUIDs.Count, lStopwatch.ElapsedMilliseconds);
// update progress
pProgress.Increment(lUIDs.Count, lContext);
}
}
private async Task ZFetchCacheItemsAsync(cMethodControl pMC, cMessageHandleList pMessageHandles, cMessageCacheItems pItems, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(ZFetchCacheItemsAsync), pMC, pMessageHandles, pItems);
if (mDisposed)
{
throw new ObjectDisposedException(nameof(cSession));
}
if (_ConnectionState != eConnectionState.selected)
{
throw new InvalidOperationException(kInvalidOperationExceptionMessage.NotSelected);
}
if (pMessageHandles == null)
{
throw new ArgumentNullException(nameof(pMessageHandles));
}
if (pItems == null)
{
throw new ArgumentNullException(nameof(pItems));
}
if (pMessageHandles.Count == 0)
{
throw new ArgumentOutOfRangeException(nameof(pMessageHandles));
}
if (pItems.IsEmpty)
{
throw new ArgumentOutOfRangeException(nameof(pItems));
}
using (var lBuilder = new cCommandDetailsBuilder())
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select
cSelectedMailbox lSelectedMailbox = mMailboxCache.CheckInSelectedMailbox(pMessageHandles);
lBuilder.Add(await mPipeline.GetIdleBlockTokenAsync(pMC, lContext).ConfigureAwait(false)); // stop the pipeline from iding (idle is msnunsafe)
lBuilder.Add(await mMSNUnsafeBlock.GetTokenAsync(pMC, lContext).ConfigureAwait(false)); // wait until all commands that are msnunsafe complete, block all commands that are msnunsafe
// uidvalidity must be captured before the handles are resolved
lBuilder.AddUIDValidity(lSelectedMailbox.MessageCache.UIDValidity);
// resolve MSNs
cUIntList lMSNs = new cUIntList();
foreach (var lMessageHandle in pMessageHandles)
{
var lMSN = lSelectedMailbox.GetMSN(lMessageHandle);
if (lMSN != 0)
{
lMSNs.Add(lMSN);
}
}
if (lMSNs.Count == 0)
{
return;
}
// build command
lBuilder.Add(kFetchCommandPartFetchSpace, new cTextCommandPart(cSequenceSet.FromUInts(lMSNs)), cCommandPart.Space);
lBuilder.Add(pItems, lSelectedMailbox.MessageCache.NoModSeq);
// go
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("fetch success");
return;
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
private static bool ZExpand(cSequenceSet pSequenceSet, int pAsterisk, out cUIntList rResult)
{
if (pSequenceSet == null)
{
rResult = null; return(false);
}
rResult = new cUIntList();
foreach (var lItem in pSequenceSet)
{
if (lItem == cSequenceSetItem.Asterisk)
{
if (pAsterisk < 1)
{
return(false);
}
rResult.Add((uint)pAsterisk);
continue;
}
if (lItem is cSequenceSetNumber lNumber)
{
rResult.Add(lNumber.Number);
continue;
}
if (!(lItem is cSequenceSetRange lRange))
{
return(false);
}
if (lRange.From == cSequenceSetItem.Asterisk)
{
if (pAsterisk < 1)
{
return(false);
}
rResult.Add((uint)pAsterisk);
continue;
}
if (!(lRange.From is cSequenceSetNumber lFrom))
{
return(false);
}
uint lTo;
if (lRange.To == cSequenceSetItem.Asterisk)
{
if (pAsterisk < 1)
{
return(false);
}
lTo = (uint)pAsterisk;
}
else
{
if (!(lRange.To is cSequenceSetNumber lRangeTo))
{
return(false);
}
lTo = lRangeTo.Number;
}
for (uint i = lFrom.Number; i <= lTo; i++)
{
rResult.Add(i);
}
}
return(true);
}
private async Task <cCopyFeedback> ZCopyAsync(cMethodControl pMC, cMessageHandleList pSourceMessageHandles, cMailboxCacheItem pDestinationItem, cTrace.cContext pParentContext)
{
var lContext = pParentContext.NewMethod(nameof(cSession), nameof(ZCopyAsync), pMC, pSourceMessageHandles, pDestinationItem);
using (var lBuilder = new cCommandDetailsBuilder())
{
lBuilder.Add(await mSelectExclusiveAccess.GetBlockAsync(pMC, lContext).ConfigureAwait(false)); // block select
cSelectedMailbox lSelectedMailbox = mMailboxCache.CheckInSelectedMailbox(pSourceMessageHandles);
lBuilder.Add(await mPipeline.GetIdleBlockTokenAsync(pMC, lContext).ConfigureAwait(false)); // stop the pipeline from iding (idle is msnunsafe)
lBuilder.Add(await mMSNUnsafeBlock.GetTokenAsync(pMC, lContext).ConfigureAwait(false)); // wait until all commands that are msnunsafe complete, block all commands that are msnunsafe
// uidvalidity must be captured before the handles are resolved
var lUIDValidity = lSelectedMailbox.MessageCache.UIDValidity;
lBuilder.AddUIDValidity(lUIDValidity);
// resolve the handles to MSNs
cUIntList lMSNs = new cUIntList();
foreach (var lMessageHandle in pSourceMessageHandles)
{
var lMSN = lSelectedMailbox.GetMSN(lMessageHandle);
if (lMSN == 0)
{
if (lMessageHandle.Expunged)
{
throw new cMessageExpungedException(lMessageHandle);
}
else
{
throw new ArgumentOutOfRangeException(nameof(pSourceMessageHandles));
}
}
lMSNs.Add(lMSN);
}
// build the command
lBuilder.Add(kCopyCommandPart, new cTextCommandPart(cSequenceSet.FromUInts(lMSNs)), cCommandPart.Space, pDestinationItem.MailboxNameCommandPart);
// add the hook
var lHook = new cCommandHookCopy(lUIDValidity);
lBuilder.Add(lHook);
// submit the command
var lResult = await mPipeline.ExecuteAsync(pMC, lBuilder.EmitCommandDetails(), lContext).ConfigureAwait(false);
if (lResult.ResultType == eCommandResultType.ok)
{
lContext.TraceInformation("copy success");
return(lHook.Feedback);
}
if (lResult.ResultType == eCommandResultType.no)
{
throw new cUnsuccessfulCompletionException(lResult.ResponseText, 0, lContext);
}
throw new cProtocolErrorException(lResult, 0, lContext);
}
}
