protected override void ExecuteCore()
{
ClientState.Current.Messages.Errors.Clear();
if (ChannelsManager.Channels.Count == 0)
{
return;
}
var channels = ListOrSingle <ChannelInstance> .Get(channel, ChannelsManager.Channels);
var gate = new ConcurrencyGate(2);
foreach (var channelInstance in channels.Where(c => !c.Configuration.IsConnected))
{
var inputChannel = channelInstance.InputChannel;
var config = channelInstance.Configuration;
var foldersTask = new ReceiveFoldersTask(channelInstance.Configuration, inputChannel.Clone());
foldersTask.FinishedSuccess += ((sender, e) =>
ReceiveFoldersTask_FinishedSuccess((ReceiveFoldersTask)sender, config, inputChannel));
gate.Add(foldersTask);
}
// Wait for all receive tasks to complete, keeping the queue filled for the ReceiveTask.
// This prevents any new receive task from getting enqueued.
gate.Execute();
// Clean up connection scavangers
ConnectionPoolScavenger.Shutdown();
GC.Collect(GC.MaxGeneration);
}
void ReceiveFoldersTask_FinishedSuccess(ReceiveFoldersTask foldersTask, ChannelConfiguration config, IClientInputChannel inputChannel)
{
var gate = new ConcurrencyGate(config.InputChannel.MaxConcurrentConnections);
var folders = foldersTask.Folders.OrderByDescending(f => (int)f.FolderType);
var group = new ProgressGroup {
SourceChannelId = config.ChannelId
};
// Folders are pushed by descending order into concurrency gate and then popped again,
// this way the Inbox folder is processed before the sent items folder etc.
foreach (var folder in folders)
{
if (folder.FolderType == ChannelFolderType.Inbox ||
folder.FolderType == ChannelFolderType.SentItems)
{
gate.Add(new ReceiveMessagesTask(config, inputChannel.Clone(), folder, range));
}
else if (folder.FolderType == ChannelFolderType.Trash || folder.FolderType == ChannelFolderType.Spam)
{
gate.Add(new EnumerateMessagesFolderTask(config, inputChannel.Clone(), folder, range)
{
ProgressGroup = group
});
}
else if (folder.FolderType == ChannelFolderType.Label)
{
if (config.Charasteristics.SupportsLabels)
{
gate.Add(new EnumerateLabelsFolderTask(config, inputChannel.Clone(), folder, range)
{
ProgressGroup = group
});
}
}
}
gate.Execute();
group.IsCompleted = true;
// Process any labels that we might have received
if (config.Charasteristics.SupportsLabels)
{
new ProcessLabelsTask(config).Execute();
}
if (inputChannel is IPoolableChannel)
{
((IPoolableChannel)inputChannel).FreeAllConnections();
}
}
protected override void ExecuteCore()
{
ClientState.Current.Messages.Errors.Clear();
if (ChannelsManager.Channels.Count == 0)
return;
var channels = ListOrSingle<ChannelInstance>.Get(channel, ChannelsManager.Channels);
var gate = new ConcurrencyGate(2);
foreach (var channelInstance in channels.Where(c => !c.Configuration.IsConnected))
{
var inputChannel = channelInstance.InputChannel;
var config = channelInstance.Configuration;
var foldersTask = new ReceiveFoldersTask(channelInstance.Configuration, inputChannel.Clone());
foldersTask.FinishedSuccess += ((sender, e) =>
ReceiveFoldersTask_FinishedSuccess((ReceiveFoldersTask)sender, config, inputChannel));
gate.Add(foldersTask);
}
// Wait for all receive tasks to complete, keeping the queue filled for the ReceiveTask.
// This prevents any new receive task from getting enqueued.
gate.Execute();
// Clean up connection scavangers
ConnectionPoolScavenger.Shutdown();
GC.Collect(GC.MaxGeneration);
}
void ReceiveFoldersTask_FinishedSuccess(ReceiveFoldersTask foldersTask, ChannelConfiguration config, IClientInputChannel inputChannel)
{
var gate = new ConcurrencyGate(config.InputChannel.MaxConcurrentConnections);
var folders = foldersTask.Folders.OrderByDescending(f => (int) f.FolderType);
var group = new ProgressGroup { SourceChannelId = config.ChannelId };
// Folders are pushed by descending order into concurrency gate and then popped again,
// this way the Inbox folder is processed before the sent items folder etc.
foreach (var folder in folders)
{
if (folder.FolderType == ChannelFolderType.Inbox
|| folder.FolderType == ChannelFolderType.SentItems)
{
gate.Add(new ReceiveMessagesTask(config, inputChannel.Clone(), folder, range));
}
else if (folder.FolderType == ChannelFolderType.Trash || folder.FolderType == ChannelFolderType.Spam)
{
gate.Add(new EnumerateMessagesFolderTask(config, inputChannel.Clone(), folder, range) { ProgressGroup = group });
}
else if (folder.FolderType == ChannelFolderType.Label)
{
if (config.Charasteristics.SupportsLabels)
gate.Add(new EnumerateLabelsFolderTask(config, inputChannel.Clone(), folder, range) { ProgressGroup = group });
}
}
gate.Execute();
group.IsCompleted = true;
// Process any labels that we might have received
if (config.Charasteristics.SupportsLabels)
new ProcessLabelsTask(config).Execute();
if (inputChannel is IPoolableChannel)
((IPoolableChannel)inputChannel).FreeAllConnections();
}
