+#region
+/* -----------------------------------------------------------------------
+ * <copyright file="StatusAgent.cs" company="GRNet">
+ *
+ * Copyright 2011-2012 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>
+ * -----------------------------------------------------------------------
+ */
+#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics.Contracts;
using System.IO;
using System.Linq;
+using System.Reflection;
+using System.Security.Cryptography;
+using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Castle.ActiveRecord;
+using Castle.ActiveRecord.Framework;
using Castle.ActiveRecord.Framework.Config;
+using NHibernate.ByteCode.Castle;
+using NHibernate.Cfg;
+using NHibernate.Cfg.Loquacious;
+using NHibernate.Dialect;
using Pithos.Interfaces;
using Pithos.Network;
using log4net;
+using Environment = System.Environment;
namespace Pithos.Core.Agents
{
[Export(typeof(IStatusChecker)),Export(typeof(IStatusKeeper))]
public class StatusAgent:IStatusChecker,IStatusKeeper
{
+ private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
[System.ComponentModel.Composition.Import]
public IPithosSettings Settings { get; set; }
+ [System.ComponentModel.Composition.Import]
+ public IStatusNotification StatusNotification { get; set; }
+
private Agent<Action> _persistenceAgent;
- private static readonly ILog Log = LogManager.GetLogger("StatusAgent");
public StatusAgent()
{
var appDataPath = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
- _pithosDataPath = Path.Combine(appDataPath , "Pithos");
+ _pithosDataPath = Path.Combine(appDataPath , "GRNET\\PITHOS");
if (!Directory.Exists(_pithosDataPath))
Directory.CreateDirectory(_pithosDataPath);
+
+ var dbPath = Path.Combine(_pithosDataPath, "pithos.db");
+
+ MigrateOldDb(dbPath, appDataPath);
+
+
var source = GetConfiguration(_pithosDataPath);
ActiveRecordStarter.Initialize(source,typeof(FileState),typeof(FileTag));
+
ActiveRecordStarter.UpdateSchema();
- if (!File.Exists(Path.Combine(_pithosDataPath ,"pithos.db")))
+
+ if (!File.Exists(dbPath))
ActiveRecordStarter.CreateSchema();
- }
+ CreateTrigger();
+
+ }
+
+
+ private static void MigrateOldDb(string dbPath, string appDataPath)
+ {
+ if(String.IsNullOrWhiteSpace(dbPath))
+ throw new ArgumentNullException("dbPath");
+ if(String.IsNullOrWhiteSpace(appDataPath))
+ throw new ArgumentNullException("appDataPath");
+ Contract.EndContractBlock();
+
+ var oldDbPath = Path.Combine(appDataPath, "Pithos", "pithos.db");
+ var oldDbInfo = new FileInfo(oldDbPath);
+ if (oldDbInfo.Exists && !File.Exists(dbPath))
+ {
+ Log.InfoFormat("Moving database from {0} to {1}",oldDbInfo.FullName,dbPath);
+ var oldDirectory = oldDbInfo.Directory;
+ oldDbInfo.MoveTo(dbPath);
+
+ if (Log.IsDebugEnabled)
+ Log.DebugFormat("Deleting {0}",oldDirectory.FullName);
+
+ oldDirectory.Delete(true);
+ }
+ }
+
+ private void CreateTrigger()
+ {
+ using (var connection = GetConnection())
+ using (var triggerCommand = connection.CreateCommand())
+ {
+ var cmdText = new StringBuilder()
+ .AppendLine("CREATE TRIGGER IF NOT EXISTS update_last_modified UPDATE ON FileState FOR EACH ROW")
+ .AppendLine("BEGIN")
+ .AppendLine("UPDATE FileState SET Modified=datetime('now') WHERE Id=old.Id;")
+ .AppendLine("END;")
+ .AppendLine("CREATE TRIGGER IF NOT EXISTS insert_last_modified INSERT ON FileState FOR EACH ROW")
+ .AppendLine("BEGIN")
+ .AppendLine("UPDATE FileState SET Modified=datetime('now') WHERE Id=new.Id;")
+ .AppendLine("END;")
+ .ToString();
+ triggerCommand.CommandText = cmdText;
+ triggerCommand.ExecuteNonQuery();
+ }
+ }
private static InPlaceConfigurationSource GetConfiguration(string pithosDbPath)
{
Log.ErrorFormat("[ERROR] STATE \n{0}", ex);
}
+ queue.NotifyComplete(action);
// ReSharper disable AccessToModifiedClosure
queue.DoAsync(loop);
// ReSharper restore AccessToModifiedClosure
{
_persistenceAgent.Stop();
}
-
+
public void ProcessExistingFiles(IEnumerable<FileInfo> existingFiles)
{
- if(existingFiles ==null)
+ if (existingFiles == null)
throw new ArgumentNullException("existingFiles");
Contract.EndContractBlock();
-
+
//Find new or matching files with a left join to the stored states
- var fileStates = FileState.Queryable;
- var currentFiles=from file in existingFiles
- join state in fileStates on file.FullName.ToLower() equals state.FilePath.ToLower() into gs
- from substate in gs.DefaultIfEmpty()
- select new {File = file, State = substate};
+ var fileStates = FileState.Queryable.ToList();
+ var currentFiles = from file in existingFiles
+ join state in fileStates on file.FullName.ToLower() equals state.FilePath.ToLower() into
+ gs
+ from substate in gs.DefaultIfEmpty()
+ select Tuple.Create(file, substate);
//To get the deleted files we must get the states that have no corresponding
//files.
//We can't use the File.Exists method inside a query, so we get all file paths from the states
var statePaths = (from state in fileStates
- select new {state.Id, state.FilePath}).ToList();
+ select new {state.Id, state.FilePath}).ToList();
//and check each one
- var missingStates= (from path in statePaths
- where !File.Exists(path.FilePath) && !Directory.Exists(path.FilePath)
- select path.Id).ToList();
+ var missingStates = (from path in statePaths
+ where !File.Exists(path.FilePath) && !Directory.Exists(path.FilePath)
+ select path.Id).ToList();
//Finally, retrieve the states that correspond to the deleted files
- var deletedFiles = from state in fileStates
- where missingStates.Contains(state.Id)
- select new { File = default(FileInfo), State = state };
+ var deletedFiles = from state in fileStates
+ where missingStates.Contains(state.Id)
+ select Tuple.Create(default(FileInfo), state);
+
+ var pairs = currentFiles.Union(deletedFiles).ToList();
+
+ i = 1;
+ var total = pairs.Count;
+ foreach (var pair in pairs)
+ {
+ ProcessFile(total, pair);
+ }
+ }
- var pairs = currentFiles.Union(deletedFiles);
+ int i = 1;
- foreach(var pair in pairs)
+ private void ProcessFile(int total, Tuple<FileInfo,FileState> pair)
+ {
+ var idx = Interlocked.Increment(ref i);
+ using (StatusNotification.GetNotifier("Indexing file {0} of {1}", "Indexed file {0} of {1} ", idx, total))
{
- var fileState = pair.State;
- var file = pair.File;
+ var fileState = pair.Item2;
+ var file = pair.Item1;
if (fileState == null)
{
- //This is a new file
- var fullPath = pair.File.FullName.ToLower();
- var createState = FileState.CreateForAsync(fullPath, BlockSize, BlockHash);
- createState.ContinueWith(state => _persistenceAgent.Post(state.Result.Create));
- }
+ //This is a new file
+ var createState = FileState.CreateFor(file,StatusNotification);
+ _persistenceAgent.Post(createState.Create);
+ }
else if (file == null)
{
//This file was deleted while we were down. We should mark it as deleted
//We have to go through UpdateStatus here because the state object we are using
//was created by a different ORM session.
- _persistenceAgent.Post(()=> UpdateStatusDirect(fileState.Id, FileStatus.Deleted));
+ _persistenceAgent.Post(() => UpdateStatusDirect((Guid) fileState.Id, FileStatus.Deleted));
}
else
{
//This file has a matching state. Need to check for possible changes
- var hashString = file.CalculateHash(BlockSize,BlockHash);
+ //To check for changes, we use the cheap (in CPU terms) MD5 algorithm
+ //on the entire file.
+
+ var hashString = file.ComputeShortHash(StatusNotification);
+ Debug.Assert(hashString.Length==32);
+
+
+ //TODO: Need a way to attach the hashes to the filestate so we don't
+ //recalculate them each time a call to calculate has is made
+ //We can either store them to the filestate or add them to a
+ //dictionary
+
//If the hashes don't match the file was changed
- if (fileState.Checksum != hashString)
+ if (fileState.ETag != hashString)
{
- _persistenceAgent.Post(() => UpdateStatusDirect(fileState.Id, FileStatus.Modified));
- }
+ _persistenceAgent.Post(() => UpdateStatusDirect((Guid) fileState.Id, FileStatus.Modified));
+ }
}
- };
-
+ }
}
+
private int UpdateStatusDirect(Guid id, FileStatus status)
{
using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
using (var connection = GetConnection())
using (
var command =
- new SQLiteCommand("update FileState set FileStatus= :fileStatus where FilePath = :path ",
+ new SQLiteCommand("update FileState set FileStatus= :fileStatus where FilePath = :path COLLATE NOCASE",
connection))
{
command.Parameters.AddWithValue("fileStatus", status);
- command.Parameters.AddWithValue("path", path.ToLower());
+ command.Parameters.AddWithValue("path", path);
var affected = command.ExecuteNonQuery();
+ if (affected == 0)
+ {
+ var createdState = FileState.CreateFor(FileInfoExtensions.FromPath(path), StatusNotification);
+ createdState.FileStatus = status;
+ createdState.Create();
+ }
return affected;
}
}
}
}
- private int UpdateStatusDirect(string absolutePath, FileStatus fileStatus, FileOverlayStatus overlayStatus)
+ private int UpdateStatusDirect(string absolutePath, FileStatus fileStatus, FileOverlayStatus overlayStatus, string conflictReason)
{
using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
{
using (
var command =
new SQLiteCommand(
- "update FileState set OverlayStatus= :overlayStatus, FileStatus= :fileStatus where FilePath = :path ",
+ "update FileState set OverlayStatus= :overlayStatus, FileStatus= :fileStatus,ConflictReason= :conflictReason where FilePath = :path COLLATE NOCASE ",
connection))
{
- command.Parameters.AddWithValue("path", absolutePath.ToLower());
+ command.Parameters.AddWithValue("path", absolutePath);
command.Parameters.AddWithValue("fileStatus", fileStatus);
command.Parameters.AddWithValue("overlayStatus", overlayStatus);
+ command.Parameters.AddWithValue("conflictReason", conflictReason);
var affected = command.ExecuteNonQuery();
+ if (affected == 0)
+ {
+ var createdState = FileState.CreateFor(FileInfoExtensions.FromPath(absolutePath), StatusNotification);
+ createdState.FileStatus = fileStatus;
+ createdState.OverlayStatus = overlayStatus;
+ createdState.ConflictReason = conflictReason;
+ createdState.LastMD5 = String.Empty;
+ createdState.Create();
+ }
return affected;
}
}
}
- private PithosStatus _pithosStatus=PithosStatus.InSynch;
-
- public void SetPithosStatus(PithosStatus status)
- {
- _pithosStatus = status;
- }
-
- public PithosStatus GetPithosStatus()
- {
- return _pithosStatus;
- }
private readonly string _pithosDataPath;
{
using (var connection = GetConnection())
- using (var command = new SQLiteCommand("select Id, FilePath, OverlayStatus,FileStatus ,Checksum ,Version ,VersionTimeStamp,IsShared ,SharedBy ,ShareWrite from FileState where FilePath=:path", connection))
+ using (var command = new SQLiteCommand("select Id, FilePath, OverlayStatus,FileStatus ,Checksum ,ETag,Version ,VersionTimeStamp,IsShared ,SharedBy ,ShareWrite from FileState where FilePath=:path COLLATE NOCASE", connection))
{
- command.Parameters.AddWithValue("path", path.ToLower());
+ command.Parameters.AddWithValue("path", path);
using (var reader = command.ExecuteReader())
{
OverlayStatus =reader.IsDBNull(2)?FileOverlayStatus.Unversioned: (FileOverlayStatus) reader.GetInt64(2),
FileStatus = reader.IsDBNull(3)?FileStatus.Missing:(FileStatus) reader.GetInt64(3),
Checksum = reader.IsDBNull(4)?"":reader.GetString(4),
- Version = reader.IsDBNull(5)?default(long):reader.GetInt64(5),
- VersionTimeStamp = reader.IsDBNull(6)?default(DateTime):reader.GetDateTime(6),
- IsShared = !reader.IsDBNull(7) && reader.GetBoolean(7),
- SharedBy = reader.IsDBNull(8)?"":reader.GetString(8),
- ShareWrite = !reader.IsDBNull(9) && reader.GetBoolean(9)
+ ETag= reader.IsDBNull(5)?"":reader.GetString(5),
+ Version = reader.IsDBNull(6)?default(long):reader.GetInt64(6),
+ VersionTimeStamp = reader.IsDBNull(7)?default(DateTime):reader.GetDateTime(7),
+ IsShared = !reader.IsDBNull(8) && reader.GetBoolean(8),
+ SharedBy = reader.IsDBNull(9)?"":reader.GetString(9),
+ ShareWrite = !reader.IsDBNull(10) && reader.GetBoolean(10)
};
/*
var state = new FileState
{
using (var connection = GetConnection())
- using (var command = new SQLiteCommand("select OverlayStatus from FileState where FilePath=:path", connection))
+ using (var command = new SQLiteCommand("select OverlayStatus from FileState where FilePath=:path COLLATE NOCASE", connection))
{
- command.Parameters.AddWithValue("path", path.ToLower());
+ command.Parameters.AddWithValue("path", path);
var s = command.ExecuteScalar();
return (FileOverlayStatus) Convert.ToInt32(s);
return connection;
}
- public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus)
+ /* public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus)
{
if (String.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
throw new ArgumentException("The path must be rooted","path");
Contract.EndContractBlock();
- _persistenceAgent.Post(() => FileState.StoreOverlayStatus(path.ToLower(),overlayStatus));
+ _persistenceAgent.Post(() => FileState.StoreOverlayStatus(path,overlayStatus));
+ }*/
+
+ public Task SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus, string etag = null)
+ {
+ if (String.IsNullOrWhiteSpace(path))
+ throw new ArgumentNullException("path");
+ if (!Path.IsPathRooted(path))
+ throw new ArgumentException("The path must be rooted","path");
+ Contract.EndContractBlock();
+
+ return _persistenceAgent.PostAndAwait(() => FileState.StoreOverlayStatus(path,overlayStatus,etag));
}
/* public void RenameFileOverlayStatus(string oldPath, string newPath)
_persistenceAgent.Post(() =>FileState.RenameState(oldPath, newPath));
}*/
- public void SetFileState(string path, FileStatus fileStatus, FileOverlayStatus overlayStatus)
+ public void SetFileState(string path, FileStatus fileStatus, FileOverlayStatus overlayStatus, string conflictReason)
{
if (String.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
Debug.Assert(!path.Contains(FolderConstants.CacheFolder));
Debug.Assert(!path.EndsWith(".ignore"));
- _persistenceAgent.Post(() => UpdateStatusDirect(path.ToLower(), fileStatus, overlayStatus));
+ _persistenceAgent.Post(() => UpdateStatusDirect(path, fileStatus, overlayStatus, conflictReason));
}
/*
{
using (var connection = GetConnection())
+ using(var tx=connection.BeginTransaction())
using (var command = new SQLiteCommand(connection))
{
- if (StateExists(path, connection))
+ //If the ID exists, update the status
+ command.CommandText ="update FileState set FilePath=:path,FileStatus= :fileStatus, Checksum=:checksum, ETag=:etag,LastMD5=:etag,Version=:version,VersionTimeStamp=:versionTimeStamp where ObjectID = :objectID ";
+ command.Parameters.AddWithValue("path", path);
+ command.Parameters.AddWithValue("checksum", objectInfo.X_Object_Hash);
+ command.Parameters.AddWithValue("etag", objectInfo.ETag);
+ command.Parameters.AddWithValue("version", objectInfo.Version);
+ command.Parameters.AddWithValue("versionTimeStamp", objectInfo.VersionTimestamp);
+ command.Parameters.AddWithValue("fileStatus", FileStatus.Unchanged);
+ command.Parameters.AddWithValue("overlayStatus", FileOverlayStatus.Normal);
+ command.Parameters.AddWithValue("objectID",objectInfo.UUID);
+ var affected = command.ExecuteNonQuery();
+ if (affected == 0)
+ {
+ //If the ID doesn't exist, try to update using the path, and store the ID as well.
command.CommandText =
- "update FileState set FileStatus= :fileStatus where FilePath = :path ";
- else
+ "update FileState set FileStatus= :fileStatus, ObjectID=:objectID, Checksum=:checksum, ETag=:etag,LastMD5=:etag,Version=:version,VersionTimeStamp=:versionTimeStamp where FilePath = :path COLLATE NOCASE ";
+ affected = command.ExecuteNonQuery();
+ }
+ if (affected==0)
{
command.CommandText =
- "INSERT INTO FileState (Id,FilePath,Checksum,Version,VersionTimeStamp,FileStatus,OverlayStatus) VALUES (:id,:path,:checksum,:version,:versionTimeStamp,:fileStatus,:overlayStatus)";
+ "INSERT INTO FileState (Id,FilePath,Checksum,Version,VersionTimeStamp,ETag,LastMD5,FileStatus,OverlayStatus,ObjectID) VALUES (:id,:path,:checksum,:version,:versionTimeStamp,:etag,:etag,:fileStatus,:overlayStatus,:objectID)";
command.Parameters.AddWithValue("id", Guid.NewGuid());
+ affected = command.ExecuteNonQuery();
}
- command.Parameters.AddWithValue("path", path.ToLower());
- command.Parameters.AddWithValue("checksum", objectInfo.Hash);
- command.Parameters.AddWithValue("version", objectInfo.Version);
- command.Parameters.AddWithValue("versionTimeStamp",
- objectInfo.VersionTimestamp);
- command.Parameters.AddWithValue("fileStatus", FileStatus.Unchanged);
- command.Parameters.AddWithValue("overlayStatus",
- FileOverlayStatus.Normal);
-
- var affected = command.ExecuteNonQuery();
- return;
}
}
catch (Exception exc)
{
- Log.Error(exc.ToString());
+ Log.ErrorFormat("Failed to update [{0}]:[{1}]\r\n{2}",path,objectInfo.UUID, exc);
throw;
}
}
private bool StateExists(string filePath,SQLiteConnection connection)
{
- using (var command = new SQLiteCommand("Select count(*) from FileState where FilePath=:path", connection))
+ using (var command = new SQLiteCommand("Select count(*) from FileState where FilePath=:path COLLATE NOCASE", connection))
{
- command.Parameters.AddWithValue("path", filePath.ToLower());
+ command.Parameters.AddWithValue("path", filePath);
+ var result = command.ExecuteScalar();
+ return ((long)result >= 1);
+ }
+
+ }
+
+ private bool StateExistsByID(string objectId,SQLiteConnection connection)
+ {
+ using (var command = new SQLiteCommand("Select count(*) from FileState where ObjectId=:id", connection))
+ {
+ command.Parameters.AddWithValue("id", objectId);
var result = command.ExecuteScalar();
return ((long)result >= 1);
}
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- _persistenceAgent.Post(() => UpdateStatusDirect(path.ToLower(), status));
+ _persistenceAgent.Post(() => UpdateStatusDirect(path, status));
}
public FileStatus GetFileStatus(string path)
using (var connection = GetConnection())
{
- var command = new SQLiteCommand("select FileStatus from FileState where FilePath=:path", connection);
- command.Parameters.AddWithValue("path", path.ToLower());
+ var command = new SQLiteCommand("select FileStatus from FileState where FilePath=:path COLLATE NOCASE", connection);
+ command.Parameters.AddWithValue("path", path);
- var s = command.ExecuteScalar();
- return (FileStatus)Convert.ToInt32(s);
+ var statusValue = command.ExecuteScalar();
+ if (statusValue==null)
+ return FileStatus.Missing;
+ return (FileStatus)Convert.ToInt32(statusValue);
}
}
+ /// <summary>
+ /// Deletes the status of the specified file
+ /// </summary>
+ /// <param name="path"></param>
public void ClearFileStatus(string path)
{
if (String.IsNullOrWhiteSpace(path))
_persistenceAgent.Post(() => DeleteDirect(path));
}
+ /// <summary>
+ /// Deletes the status of the specified folder and all its contents
+ /// </summary>
+ /// <param name="path"></param>
+ public void ClearFolderStatus(string path)
+ {
+ if (String.IsNullOrWhiteSpace(path))
+ throw new ArgumentNullException("path");
+ if (!Path.IsPathRooted(path))
+ throw new ArgumentException("The path must be rooted", "path");
+ Contract.EndContractBlock();
+ //TODO: May throw if the agent is cleared for some reason. Should never happen
+ _persistenceAgent.Post(() => DeleteFolderDirect(path));
+ }
+
+ public IEnumerable<FileState> GetChildren(FileState fileState)
+ {
+ if (fileState == null)
+ throw new ArgumentNullException("fileState");
+ Contract.EndContractBlock();
+
+ var children = from state in FileState.Queryable
+ where state.FilePath.StartsWith(fileState.FilePath + "\\")
+ select state;
+ return children;
+ }
+
+ public void EnsureFileState(string path)
+ {
+ var existingState = GetStateByFilePath(path);
+ if (existingState != null)
+ return;
+ var fileInfo = FileInfoExtensions.FromPath(path);
+ using (new SessionScope())
+ {
+ var newState = FileState.CreateFor(fileInfo,StatusNotification);
+ newState.FileStatus=FileStatus.Missing;
+ _persistenceAgent.PostAndAwait(newState.CreateAndFlush).Wait();
+ }
+
+ }
+
private int DeleteDirect(string filePath)
{
using (log4net.ThreadContext.Stacks["StatusAgent"].Push("DeleteDirect"))
using (var connection = GetConnection())
{
- var command = new SQLiteCommand("delete from FileState where FilePath = :path",
+ var command = new SQLiteCommand("delete from FileState where FilePath = :path COLLATE NOCASE",
+ connection);
+
+ command.Parameters.AddWithValue("path", filePath);
+
+ var affected = command.ExecuteNonQuery();
+ return affected;
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
+ }
+ }
+ }
+
+ private int DeleteFolderDirect(string filePath)
+ {
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("DeleteDirect"))
+ {
+
+ try
+ {
+
+
+ using (var connection = GetConnection())
+ {
+ var command = new SQLiteCommand(@"delete from FileState where FilePath = :path or FilePath like :path || '\%' COLLATE NOCASE",
connection);
- command.Parameters.AddWithValue("path", filePath.ToLower());
+ command.Parameters.AddWithValue("path", filePath);
var affected = command.ExecuteNonQuery();
return affected;
}
}
- public void UpdateFileChecksum(string path, string checksum)
+ public void UpdateFileChecksum(string path, string etag, string checksum)
{
if (String.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- _persistenceAgent.Post(() => FileState.UpdateChecksum(path.ToLower(), checksum));
+ _persistenceAgent.Post(() => FileState.UpdateChecksum(path, etag,checksum));
+ }
+
+ public void UpdateLastMD5(FileInfo file, string etag)
+ {
+ if (file==null)
+ throw new ArgumentNullException("file");
+ if (String.IsNullOrWhiteSpace(etag))
+ throw new ArgumentNullException("etag");
+ Contract.EndContractBlock();
+
+ _persistenceAgent.Post(() => FileState.UpdateLastMD5(file, etag));
}
+
+ public void CleanupOrphanStates()
+ {
+ //Orphan states are those that do not correspond to an account, ie. their paths
+ //do not start with the root path of any registered account
+
+ var roots=(from account in Settings.Accounts
+ select account.RootPath).ToList();
+
+ var allStates = from state in FileState.Queryable
+ select state.FilePath;
+
+ foreach (var statePath in allStates)
+ {
+ if (!roots.Any(root=>statePath.StartsWith(root,StringComparison.InvariantCultureIgnoreCase)))
+ this.DeleteDirect(statePath);
+ }
+ }
+
+ public void CleanupStaleStates(AccountInfo accountInfo, List<ObjectInfo> objectInfos)
+ {
+ if (accountInfo == null)
+ throw new ArgumentNullException("accountInfo");
+ if (objectInfos == null)
+ throw new ArgumentNullException("objectInfos");
+ Contract.EndContractBlock();
+
+
+
+ //Stale states are those that have no corresponding local or server file
+
+
+ var agent=FileAgent.GetFileAgent(accountInfo);
+
+ var localFiles=agent.EnumerateFiles();
+ var localSet = new HashSet<string>(localFiles);
+
+ //RelativeUrlToFilePath will fail for
+ //infos of accounts, containers which have no Name
+
+ var serverFiles = from info in objectInfos
+ where info.Name != null
+ select Path.Combine(accountInfo.AccountPath,info.RelativeUrlToFilePath(accountInfo.UserName));
+ var serverSet = new HashSet<string>(serverFiles);
+
+ var allStates = from state in FileState.Queryable
+ where state.FilePath.StartsWith(agent.RootPath)
+ select state.FilePath;
+ var stateSet = new HashSet<string>(allStates);
+ stateSet.ExceptWith(serverSet);
+ stateSet.ExceptWith(localSet);
+
+ foreach (var remainder in stateSet)
+ {
+ DeleteDirect(remainder);
+ }
+
+
+ }
}