Revision 5120f3cb trunk/Pithos.Core/Agents/WorkflowAgent.cs
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using System.Text; |
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using System.Threading.Tasks; |
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using Pithos.Interfaces; |
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using log4net; |
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namespace Pithos.Core.Agents |
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{
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| ... | ... | |
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[Import] |
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public NetworkAgent NetworkAgent { get; set; }
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private static readonly ILog Log = LogManager.GetLogger("WorkflowAgent");
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public void Start() |
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{
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_agent = Agent<WorkflowState>.Start(inbox => |
| ... | ... | |
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var message = inbox.Receive(); |
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var process = message.Then(Process, inbox.CancellationToken); |
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inbox.LoopAsync(process,loop,ex=> |
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Trace.TraceError("[ERROR] Synch for {0}:\r{1}", message.Result.FileName, ex));
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Log.ErrorFormat("[ERROR] Synch for {0}:\r{1}", message.Result.FileName, ex));
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}; |
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loop(); |
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}); |
| ... | ... | |
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private Task<object> Process(WorkflowState state) |
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{
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if (state.Skip) |
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return CompletedTask<object>.Default; |
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string path = state.Path.ToLower(); |
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//Bypass deleted files, unless the status is Deleted |
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if (!File.Exists(path) && state.Status != FileStatus.Deleted) |
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using (log4net.ThreadContext.Stacks["Workflow"].Push("Process"))
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{
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state.Skip = true; |
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this.StatusKeeper.ClearFileStatus(path); |
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return CompletedTask<object>.Default; |
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} |
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var fileState = FileState.FindByFilePath(path); |
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var blockHash = NetworkAgent.BlockHash; |
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var blockSize = NetworkAgent.BlockSize; |
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var info = new FileInfo(path); |
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if (Log.IsDebugEnabled) Log.DebugFormat("State {0} {1} {2}", state.FileName,state.Status,state.TriggeringChange);
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switch (state.Status) |
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{
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case FileStatus.Created: |
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case FileStatus.Modified: |
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NetworkAgent.Post(new CloudAction(CloudActionType.UploadUnconditional, info, ObjectInfo.Empty, fileState,blockSize,blockHash)); |
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break; |
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case FileStatus.Deleted: |
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string fileName = info.AsRelativeUrlTo(NetworkAgent.FileAgent.RootPath); |
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NetworkAgent.Post(new CloudAction(CloudActionType.DeleteCloud, null, new ObjectInfo { Name = fileName }, fileState, blockSize, blockHash));
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break; |
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case FileStatus.Renamed: |
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NetworkAgent.Post(new CloudMoveAction(CloudActionType.RenameCloud, state.OldFileName, state.OldPath, state.FileName, state.Path)); |
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break; |
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} |
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if (state.Skip) |
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{
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if (Log.IsDebugEnabled) Log.DebugFormat("Skipping {0}",state.FileName);
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return CompletedTask<object>.Default; |
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} |
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string path = state.Path.ToLower(); |
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//Bypass deleted files, unless the status is Deleted |
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if (!File.Exists(path) && state.Status != FileStatus.Deleted) |
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{
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state.Skip = true; |
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this.StatusKeeper.ClearFileStatus(path); |
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if (Log.IsDebugEnabled) Log.DebugFormat("Skipped missing {0}", state.FileName);
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return CompletedTask<object>.Default; |
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} |
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var fileState = FileState.FindByFilePath(path); |
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var blockHash = NetworkAgent.BlockHash; |
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var blockSize = NetworkAgent.BlockSize; |
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var info = new FileInfo(path); |
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switch (state.Status) |
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{
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case FileStatus.Created: |
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case FileStatus.Modified: |
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NetworkAgent.Post(new CloudUploadAction(info, fileState, blockSize, blockHash)); |
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break; |
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case FileStatus.Deleted: |
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string fileName = info.AsRelativeUrlTo(NetworkAgent.FileAgent.RootPath); |
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NetworkAgent.Post(new CloudDeleteAction(fileName, fileState)); |
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break; |
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case FileStatus.Renamed: |
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NetworkAgent.Post(new CloudMoveAction(CloudActionType.RenameCloud, state.OldFileName, |
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state.OldPath, state.FileName, state.Path)); |
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break; |
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} |
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return CompletedTask<object>.Default; |
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return CompletedTask<object>.Default; |
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} |
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} |
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|
| ... | ... | |
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public void RestartInterruptedFiles() |
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{
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StatusNotification.NotifyChange("Restart processing interrupted files", TraceLevel.Verbose);
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var pendingEntries = from state in FileState.Queryable |
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where state.FileStatus != FileStatus.Unchanged && |
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!state.FilePath.StartsWith(FragmentsPath.ToLower()) && |
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!state.FilePath.EndsWith(".ignore")
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select state; |
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var validEntries = from state in pendingEntries |
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select new WorkflowState |
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{
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Path = state.FilePath.ToLower(), |
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FileName = Path.GetFileName(state.FilePath).ToLower(), |
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Hash = state.Checksum, |
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Status = state.OverlayStatus == FileOverlayStatus.Unversioned ? |
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FileStatus.Created : |
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state.FileStatus, |
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TriggeringChange = state.OverlayStatus == FileOverlayStatus.Unversioned ? |
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WatcherChangeTypes.Created : |
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WatcherChangeTypes.Changed |
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}; |
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foreach (var entry in validEntries) |
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{
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Post(entry); |
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} |
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StatusNotification.NotifyChange("Restart processing interrupted files", TraceLevel.Verbose);
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using (log4net.ThreadContext.Stacks["Workflow"].Push("Restart"))
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{
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if (Log.IsDebugEnabled) |
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Log.Debug("Starting interrupted files");
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var pendingEntries = from state in FileState.Queryable |
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where state.FileStatus != FileStatus.Unchanged && |
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!state.FilePath.StartsWith(FragmentsPath.ToLower()) && |
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!state.FilePath.EndsWith(".ignore")
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select state; |
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if (Log.IsDebugEnabled) |
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Log.DebugFormat("Found {0} interrupted files",pendingEntries.Count());
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var validEntries = from state in pendingEntries |
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select new WorkflowState |
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{
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Path = state.FilePath.ToLower(), |
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FileName = Path.GetFileName(state.FilePath).ToLower(), |
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Hash = state.Checksum, |
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Status = state.OverlayStatus == FileOverlayStatus.Unversioned |
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? FileStatus.Created |
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: state.FileStatus, |
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TriggeringChange = |
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state.OverlayStatus == FileOverlayStatus.Unversioned |
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? WatcherChangeTypes.Created |
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: WatcherChangeTypes.Changed |
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}; |
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foreach (var entry in validEntries) |
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{
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Post(entry); |
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} |
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} |
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} |
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public void Post(WorkflowState workflowState) |
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{
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if (Log.IsDebugEnabled) |
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Log.DebugFormat("Posted {0} {1} {2}", workflowState.Path, workflowState.Status, workflowState.TriggeringChange);
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_agent.Post(workflowState); |
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} |
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} |
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