+#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; }
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)
{
where missingStates.Contains(state.Id)
select new { File = default(FileInfo), State = state };
- var pairs = currentFiles.Union(deletedFiles);
+ var pairs = currentFiles.Union(deletedFiles).ToList();
- foreach(var pair in pairs)
+ using (var shortHasher = HashAlgorithm.Create("sha1"))
{
- var fileState = pair.State;
- var file = pair.File;
- 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));
- }
- 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));
- }
- else
+ foreach (var pair in pairs)
{
- //This file has a matching state. Need to check for possible changes
- var hashString = file.CalculateHash(BlockSize,BlockHash);
- //If the hashes don't match the file was changed
- if (fileState.Checksum != hashString)
+ var fileState = pair.State;
+ var file = pair.File;
+ if (fileState == null)
{
- _persistenceAgent.Post(() => UpdateStatusDirect(fileState.Id, FileStatus.Modified));
- }
+ //This is a new file
+ var createState = FileState.CreateFor(file);
+ _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));
+ }
+ else
+ {
+ //This file has a matching state. Need to check for possible changes
+ //To check for changes, we use the cheap (in CPU terms) SHA1 algorithm
+ //on the entire file.
+
+ var hashString = file.ComputeShortHash(shortHasher);
+ //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.ShortHash != hashString)
+ {
+ _persistenceAgent.Post(() => UpdateStatusDirect(fileState.Id, FileStatus.Modified));
+ }
+ }
}
- };
+ }
+
}
+
+
private int UpdateStatusDirect(Guid id, FileStatus status)
{
- try
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
{
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
- using (var command = new SQLiteCommand("update FileState set FileStatus= :fileStatus where Id = :id ",
- connection))
+ try
{
+ using (var connection = GetConnection())
+ using (
+ var command = new SQLiteCommand("update FileState set FileStatus= :fileStatus where Id = :id ",
+ connection))
+ {
+ command.Parameters.AddWithValue("fileStatus", status);
+
+ command.Parameters.AddWithValue("id", id);
+
+ var affected = command.ExecuteNonQuery();
+
+ return affected;
+ }
- command.Parameters.AddWithValue("fileStatus", status);
-
- command.Parameters.AddWithValue("id", id);
- connection.Open();
- var affected = command.ExecuteNonQuery();
- return affected;
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
}
}
- catch (Exception exc)
- {
- Log.Error(exc.ToString());
- throw;
- }
-
}
private int UpdateStatusDirect(string path, FileStatus status)
{
- try
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
{
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
- using (var command = new SQLiteCommand("update FileState set FileStatus= :fileStatus where FilePath = :path ",
- connection))
+ try
{
+
+ using (var connection = GetConnection())
+ using (
+ var command =
+ new SQLiteCommand("update FileState set FileStatus= :fileStatus where FilePath = :path COLLATE NOCASE",
+ connection))
+ {
- command.Parameters.AddWithValue("fileStatus", status);
- command.Parameters.AddWithValue("path", path.ToLower());
- connection.Open();
- var affected = command.ExecuteNonQuery();
- return affected;
+ command.Parameters.AddWithValue("fileStatus", status);
+
+ command.Parameters.AddWithValue("path", path);
+
+ var affected = command.ExecuteNonQuery();
+ if (affected == 0)
+ {
+ var createdState = FileState.CreateFor(FileInfoExtensions.FromPath(path));
+ createdState.FileStatus = status;
+ createdState.Create();
+ }
+ return affected;
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
}
}
- catch (Exception exc)
- {
- Log.Error(exc.ToString());
- throw;
- }
-
}
- private int UpdateStatusDirect(string absolutePath, FileStatus fileStatus, FileOverlayStatus overlayStatus)
+ private int UpdateStatusDirect(string absolutePath, FileStatus fileStatus, FileOverlayStatus overlayStatus, string conflictReason)
{
- try
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
{
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
- using (var command = new SQLiteCommand("update FileState set OverlayStatus= :overlayStatus, FileStatus= :fileStatus where FilePath = :path ",
- connection))
+ try
{
+
- command.Parameters.AddWithValue("path", absolutePath.ToLower());
- command.Parameters.AddWithValue("fileStatus", fileStatus);
- command.Parameters.AddWithValue("overlayStatus", overlayStatus);
- connection.Open();
- var affected = command.ExecuteNonQuery();
- return affected;
+ using (var connection = GetConnection())
+ using (
+ var command =
+ new SQLiteCommand(
+ "update FileState set OverlayStatus= :overlayStatus, FileStatus= :fileStatus,ConflictReason= :conflictReason where FilePath = :path COLLATE NOCASE ",
+ connection))
+ {
+
+ 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));
+ createdState.FileStatus = fileStatus;
+ createdState.OverlayStatus = overlayStatus;
+ createdState.ConflictReason = conflictReason;
+ createdState.Create();
+ }
+ return affected;
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
}
}
- catch (Exception exc)
- {
- Log.Error(exc.ToString());
- throw;
- }
-
}
}
- private PithosStatus _pithosStatus=PithosStatus.InSynch;
- public void SetPithosStatus(PithosStatus status)
- {
- _pithosStatus = status;
- }
- public PithosStatus GetPithosStatus()
- {
- return _pithosStatus;
- }
+ private readonly string _pithosDataPath;
- private readonly string _pithosDataPath;
+ public FileState GetStateByFilePath(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();
+ try
+ {
+
+ using (var connection = GetConnection())
+ using (var command = new SQLiteCommand("select Id, FilePath, OverlayStatus,FileStatus ,Checksum ,ShortHash,Version ,VersionTimeStamp,IsShared ,SharedBy ,ShareWrite from FileState where FilePath=:path COLLATE NOCASE", connection))
+ {
+
+ command.Parameters.AddWithValue("path", path);
+
+ using (var reader = command.ExecuteReader())
+ {
+ if (reader.Read())
+ {
+ //var values = new object[reader.FieldCount];
+ //reader.GetValues(values);
+ var state = new FileState
+ {
+ Id = reader.GetGuid(0),
+ FilePath = reader.IsDBNull(1)?"":reader.GetString(1),
+ 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),
+ ShortHash= 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
+ {
+ Id = (Guid) values[0],
+ FilePath = (string) values[1],
+ OverlayStatus = (FileOverlayStatus) (long)values[2],
+ FileStatus = (FileStatus) (long)values[3],
+ Checksum = (string) values[4],
+ Version = (long?) values[5],
+ VersionTimeStamp = (DateTime?) values[6],
+ IsShared = (long)values[7] == 1,
+ SharedBy = (string) values[8],
+ ShareWrite = (long)values[9] == 1
+ };
+*/
+ return state;
+ }
+ else
+ {
+ return null;
+ }
+
+ }
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.ErrorFormat(exc.ToString());
+ throw;
+ }
+ }
public FileOverlayStatus GetFileOverlayStatus(string path)
{
try
{
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
- using (var command = new SQLiteCommand("select OverlayStatus from FileState where FilePath=:path", connection))
+
+ using (var connection = GetConnection())
+ using (var command = new SQLiteCommand("select OverlayStatus from FileState where FilePath=:path COLLATE NOCASE", connection))
{
- command.Parameters.AddWithValue("path", path.ToLower());
- connection.Open();
+ command.Parameters.AddWithValue("path", path);
+
var s = command.ExecuteScalar();
return (FileOverlayStatus) Convert.ToInt32(s);
}
private string GetConnectionString()
{
- var connectionString = String.Format(@"Data Source={0}\pithos.db;Version=3;Enlist=N;Pooling=True;Default Isolation Level=ReadCommited", _pithosDataPath);
+ var connectionString = String.Format(@"Data Source={0}\pithos.db;Version=3;Enlist=N;Pooling=True", _pithosDataPath);
return connectionString;
}
- public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus)
+ private SQLiteConnection GetConnection()
+ {
+ var connectionString = GetConnectionString();
+ var connection = new SQLiteConnection(connectionString);
+ connection.Open();
+ using(var cmd =connection.CreateCommand())
+ {
+ cmd.CommandText = "PRAGMA journal_mode=WAL";
+ cmd.ExecuteNonQuery();
+ }
+ return connection;
+ }
+
+ /* public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus)
+ {
+ if (String.IsNullOrWhiteSpace(path))
+ throw new ArgumentNullException("path");
+ if (!Path.IsPathRooted(path))
+ throw new ArgumentException("The path must be rooted","path");
+ Contract.EndContractBlock();
+
+ _persistenceAgent.Post(() => FileState.StoreOverlayStatus(path,overlayStatus));
+ }*/
+
+ public Task SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus, string shortHash = null)
{
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));
+ return _persistenceAgent.PostAndAwait(() => FileState.StoreOverlayStatus(path,overlayStatus,shortHash));
}
/* 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));
}
+/*
public void StoreInfo(string path,ObjectInfo objectInfo)
{
if (String.IsNullOrWhiteSpace(path))
});
}
- public void StoreInfoDirect(string path, ObjectInfo objectInfo)
+*/
+
+ public void StoreInfo(string path, ObjectInfo objectInfo)
{
if (String.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
throw new ArgumentNullException("objectInfo", "objectInfo can't be empty");
Contract.EndContractBlock();
- _persistenceAgent.Post(() =>
- {
- try
- {
-
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
- {
- if (StateExists(path))
- var command =
- new SQLiteCommand(
- "update FileState set FileStatus= :fileStatus where Id = :id ",
- connection);
-
-
- var filePath = path.ToLower();
- //Load the existing files state and set its properties in one session
- using (new SessionScope())
- {
- //Forgetting to use a sessionscope results in two sessions being created, one by
- //FirstOrDefault and one by Save()
- var state = FileState.FindByFilePath(filePath);
-
- //Create a new empty state object if this is a new file
- state = state ?? new FileState();
-
- state.FilePath = filePath;
- state.Checksum = objectInfo.Hash;
- state.Version = objectInfo.Version;
- state.VersionTimeStamp = objectInfo.VersionTimestamp;
-
- state.FileStatus = FileStatus.Unchanged;
- state.OverlayStatus = FileOverlayStatus.Normal;
+ _persistenceAgent.Post(() => StoreInfoDirect(path, objectInfo));
+ }
- //Do the save
- state.Save();
- }
-
-
- command.Parameters.AddWithValue("fileStatus", status);
-
- command.Parameters.AddWithValue("id", id);
- connection.Open();
- var affected = command.ExecuteNonQuery();
- return;
- }
- }
- catch (Exception exc)
- {
- Log.Error(exc.ToString());
- throw;
- }
-
- });
+ private void StoreInfoDirect(string path, ObjectInfo objectInfo)
+ {
+ try
+ {
+
+ using (var connection = GetConnection())
+ using (var command = new SQLiteCommand(connection))
+ {
+ if (StateExists(path, connection))
+ command.CommandText =
+ "update FileState set FileStatus= :fileStatus where FilePath = :path COLLATE NOCASE ";
+ else
+ {
+ command.CommandText =
+ "INSERT INTO FileState (Id,FilePath,Checksum,Version,VersionTimeStamp,ShortHash,FileStatus,OverlayStatus) VALUES (:id,:path,:checksum,:version,:versionTimeStamp,:shortHash,:fileStatus,:overlayStatus)";
+ command.Parameters.AddWithValue("id", Guid.NewGuid());
+ }
+
+ command.Parameters.AddWithValue("path", path);
+ command.Parameters.AddWithValue("checksum", objectInfo.Hash);
+ command.Parameters.AddWithValue("shortHash", "");
+ 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());
+ 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());
- var result=command.ExecuteScalar();
- new SQLiteCommand(
- "update FileState set FileStatus= :fileStatus where Id = :id ",
- connection);
+ command.Parameters.AddWithValue("path", filePath);
+ var result = command.ExecuteScalar();
+ return ((long)result >= 1);
+ }
-
-
}
public void SetFileStatus(string path, FileStatus status)
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)
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
+
+ using (var connection = GetConnection())
{
- var command = new SQLiteCommand("select FileStatus from FileState where FilePath=:path", connection);
- command.Parameters.AddWithValue("path", path.ToLower());
- connection.Open();
- var s = command.ExecuteScalar();
- return (FileStatus)Convert.ToInt32(s);
+ var command = new SQLiteCommand("select FileStatus from FileState where FilePath=:path COLLATE NOCASE", connection);
+ command.Parameters.AddWithValue("path", path);
+
+ 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();
+
+ _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);
+ newState.FileStatus=FileStatus.Missing;
+ _persistenceAgent.PostAndAwait(newState.CreateAndFlush).Wait();
+ }
+
+ }
+
private int DeleteDirect(string filePath)
{
- try
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("DeleteDirect"))
{
- var connectionString = GetConnectionString();
- using (var connection = new SQLiteConnection(connectionString))
+ try
{
- var command = new SQLiteCommand("delete FileState where FilePath = :path",
- connection);
- command.Parameters.AddWithValue("path", filePath.ToLower());
- connection.Open();
- var affected = command.ExecuteNonQuery();
- return affected;
+
+ using (var connection = GetConnection())
+ {
+ 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;
}
}
- catch (Exception exc)
+ }
+
+ private int DeleteFolderDirect(string filePath)
+ {
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("DeleteDirect"))
{
- Log.Error(exc.ToString());
- throw;
- }
+ 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);
+
+ var affected = command.ExecuteNonQuery();
+ return affected;
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
+ }
+ }
}
- public void UpdateFileChecksum(string path, string checksum)
+ public void UpdateFileChecksum(string path, string shortHash, 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, shortHash,checksum));
+ }
+
+
+ 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);
+ }
+
+
+ }
}
projects / pithos-ms-client / blobdiff