-using System;
+// -----------------------------------------------------------------------
+// <copyright file="WorkflowAgent.cs" company="GRNET">
+// Copyright 2011 GRNET S.A. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or
+// without modification, are permitted provided that the following
+// conditions are met:
+//
+// 1. Redistributions of source code must retain the above
+// copyright notice, this list of conditions and the following
+// disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials
+// provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
+// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+// The views and conclusions contained in the software and
+// documentation are those of the authors and should not be
+// interpreted as representing official policies, either expressed
+// or implied, of GRNET S.A.
+// </copyright>
+// -----------------------------------------------------------------------
+
+using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
+using Castle.ActiveRecord;
using Pithos.Interfaces;
+using Pithos.Network;
+using log4net;
namespace Pithos.Core.Agents
{
Agent<WorkflowState> _agent;
public IStatusNotification StatusNotification { get; set; }
- [Import]
+ [System.ComponentModel.Composition.Import]
public IStatusKeeper StatusKeeper { get; set; }
- //We should avoid processing files stored in the Fragments folder
- //The Full path to the fragments folder is stored in FragmentsPath
- public string FragmentsPath { get; set; }
-
- [Import]
+ [System.ComponentModel.Composition.Import]
public NetworkAgent NetworkAgent { get; set; }
+ private static readonly ILog Log = LogManager.GetLogger("WorkflowAgent");
+
public void Start()
{
_agent = Agent<WorkflowState>.Start(inbox =>
var message = inbox.Receive();
var process = message.Then(Process, inbox.CancellationToken);
inbox.LoopAsync(process,loop,ex=>
- Trace.TraceError("[ERROR] Synch for {0}:\r{1}", message.Result.FileName, ex));
+ Log.ErrorFormat("[ERROR] Synch for {0}:\r{1}", message.Result.FileName, ex));
};
loop();
});
private Task<object> Process(WorkflowState state)
{
- if (state.Skip)
- return CompletedTask<object>.Default;
- string path = state.Path.ToLower();
- string fileName = Path.GetFileName(path);
-
- //Bypass deleted files, unless the status is Deleted
- if (!File.Exists(path) && state.Status != FileStatus.Deleted)
+ var accountInfo = state.AccountInfo;
+ using (log4net.ThreadContext.Stacks["Workflow"].Push("Process"))
{
- state.Skip = true;
- this.StatusKeeper.RemoveFileOverlayStatus(path);
- return CompletedTask<object>.Default;
- }
- var fileState = FileState.FindByFilePath(path);
- var blockHash = NetworkAgent.BlockHash;
- var blockSize = NetworkAgent.BlockSize;
+ try
+ {
- switch (state.Status)
- {
- case FileStatus.Created:
- case FileStatus.Modified:
- var info = new FileInfo(path);
- NetworkAgent.Post(new CloudAction(CloudActionType.UploadUnconditional, info, ObjectInfo.Empty, fileState,blockSize,blockHash));
- break;
- case FileStatus.Deleted:
- NetworkAgent.Post(new CloudAction(CloudActionType.DeleteCloud, null, new ObjectInfo { Name = fileName }, fileState, blockSize, blockHash));
- break;
- case FileStatus.Renamed:
- NetworkAgent.Post(new CloudAction(CloudActionType.RenameCloud, state.OldFileName, state.OldPath, state.FileName, state.Path));
- break;
+ if (Log.IsDebugEnabled)
+ Log.DebugFormat("State {0} {1} {2}", state.FileName, state.Status, state.TriggeringChange);
+
+ if (state.Skip)
+ {
+ if (Log.IsDebugEnabled) Log.DebugFormat("Skipping {0}", state.FileName);
+
+ return CompletedTask<object>.Default;
+ }
+ string path = state.Path.ToLower();
+
+
+
+ FileSystemInfo info = Directory.Exists(path) ? (FileSystemInfo) new DirectoryInfo(path) : new FileInfo(path);
+
+ //Bypass deleted files, unless the status is Deleted
+ if (!info.Exists && state.Status != FileStatus.Deleted)
+ {
+ state.Skip = true;
+ this.StatusKeeper.ClearFileStatus(path);
+
+ if (Log.IsDebugEnabled) Log.DebugFormat("Skipped missing {0}", state.FileName);
+
+ return CompletedTask<object>.Default;
+ }
+
+ using (new SessionScope(FlushAction.Never))
+ {
+
+ var fileState = FileState.FindByFilePath(path);
+
+
+ switch (state.Status)
+ {
+ case FileStatus.Created:
+ case FileStatus.Modified:
+ NetworkAgent.Post(new CloudUploadAction(accountInfo, info, fileState,
+ accountInfo.BlockSize,
+ accountInfo.BlockHash));
+ break;
+ case FileStatus.Deleted:
+ NetworkAgent.Post(new CloudDeleteAction(accountInfo, info, fileState));
+ break;
+ case FileStatus.Renamed:
+ FileSystemInfo oldInfo = Directory.Exists(state.OldPath)
+ ? (FileSystemInfo) new DirectoryInfo(state.OldPath)
+ : new FileInfo(state.OldPath);
+ FileSystemInfo newInfo = Directory.Exists(state.Path)
+ ? (FileSystemInfo) new DirectoryInfo(state.Path)
+ : new FileInfo(state.Path);
+ NetworkAgent.Post(new CloudMoveAction(accountInfo, CloudActionType.RenameCloud,
+ oldInfo,
+ newInfo));
+ break;
+ }
+ }
+
+ return CompletedTask<object>.Default;
+ }
+ catch (Exception ex)
+ {
+ Log.Error(ex.ToString());
+ throw;
+ }
}
-
- return CompletedTask<object>.Default;
}
-
- public void RestartInterruptedFiles()
+ //Starts interrupted files for a specific account
+ public void RestartInterruptedFiles(AccountInfo accountInfo)
{
- StatusNotification.NotifyChange("Restart processing interrupted files", TraceLevel.Verbose);
-
- var pendingEntries = from state in FileState.Queryable
- where state.FileStatus != FileStatus.Unchanged &&
- !state.FilePath.StartsWith(FragmentsPath.ToLower()) &&
- !state.FilePath.EndsWith(".ignore")
- select state;
-
- var validEntries = from state in pendingEntries
- select new WorkflowState
- {
- Path = state.FilePath.ToLower(),
- FileName = Path.GetFileName(state.FilePath).ToLower(),
- Hash = state.Checksum,
- Status = state.OverlayStatus == FileOverlayStatus.Unversioned ?
- FileStatus.Created :
- state.FileStatus,
- TriggeringChange = state.OverlayStatus == FileOverlayStatus.Unversioned ?
- WatcherChangeTypes.Created :
- WatcherChangeTypes.Changed
- };
- foreach (var entry in validEntries)
+ StatusNotification.NotifyChange("Restart processing interrupted files", TraceLevel.Verbose);
+
+ using (log4net.ThreadContext.Stacks["Workflow"].Push("Restart"))
{
- Post(entry);
- }
+ if (Log.IsDebugEnabled)
+ Log.Debug("Starting interrupted files");
+
+ var cachePath = Path.Combine(accountInfo.AccountPath, FolderConstants.CacheFolder)
+ .ToLower();
+
+
+
+ var account = accountInfo;
+ var pendingEntries = from state in FileState.Queryable
+ where state.FileStatus != FileStatus.Unchanged &&
+ !state.FilePath.StartsWith(cachePath) &&
+ !state.FilePath.EndsWith(".ignore") &&
+ state.FilePath.StartsWith(account.AccountPath)
+ select state;
+ var pendingStates = new List<WorkflowState>();
+ foreach (var state in pendingEntries)
+ {
+ pendingStates.Add(new WorkflowState(account, state));
+ }
+ if (Log.IsDebugEnabled)
+ Log.DebugFormat("Found {0} interrupted files", pendingStates.Count);
+
+
+ foreach (var entry in pendingStates)
+ {
+ Post(entry);
+ }
+ }
+ }
- }
-
public void Post(WorkflowState workflowState)
{
+ if (Log.IsDebugEnabled)
+ Log.DebugFormat("Posted {0} {1} {2}", workflowState.Path, workflowState.Status, workflowState.TriggeringChange);
+
+ //Remove invalid state
+ //For now, ignore paths
+ /* if (Directory.Exists(workflowState.Path))
+ return;*/
+ //TODO: Need to handle folder renames
+
+ Debug.Assert(workflowState.Path.StartsWith(workflowState.AccountInfo.AccountPath, StringComparison.InvariantCultureIgnoreCase), "File from wrong account posted");
+
_agent.Post(workflowState);
- }
+ }
+
}
}
projects / pithos-ms-client / blobdiff