+#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.Data.SQLite;
using System.Diagnostics;
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 log4net.Appender;
-using log4net.Config;
-using log4net.Layout;
+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(typeof(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);
- //File.Delete(Path.Combine(_pithosDataPath, "pithos.db"));
-
+ 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();
-
+ }
- CleanupStaleStates();
- }
+ 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();
- private void CleanupStaleStates()
+ 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()
{
- /*var stales = from state in FileState.Queryable
- where state.FilePath.StartsWith(@"e:\pithos\fragments")
- select state.Id;*/
- FileState.DeleteAll(@"FilePath like 'e:\pithos\fragments%'");
- ;
+ 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)
{
if (String.IsNullOrWhiteSpace(pithosDbPath))
},
};
- var connectionString = String.Format(@"Data Source={0}\pithos.db;Version=3", pithosDbPath);
+ var connectionString = String.Format(@"Data Source={0}\pithos.db;Version=3;Enlist=N", pithosDbPath);
properties.Add("connection.connection_string", connectionString);
- var source = new InPlaceConfigurationSource();
-
+ var source = new InPlaceConfigurationSource();
source.Add(typeof (ActiveRecordBase), properties);
+ source.SetDebugFlag(false);
return source;
}
{
action();
}
+ catch (SQLiteException ex)
+ {
+ Log.ErrorFormat("[ERROR] SQL \n{0}", ex);
+ }
catch (Exception ex)
{
- Trace.TraceError("[ERROR] STATE \n{0}",ex);
+ Log.ErrorFormat("[ERROR] STATE \n{0}", ex);
}
+ queue.NotifyComplete(action);
+// ReSharper disable AccessToModifiedClosure
queue.DoAsync(loop);
+// ReSharper restore AccessToModifiedClosure
});
};
loop();
{
_persistenceAgent.Stop();
}
-
+
public void ProcessExistingFiles(IEnumerable<FileInfo> existingFiles)
{
select new {state.Id, state.FilePath}).ToList();
//and check each one
var missingStates= (from path in statePaths
- where !File.Exists(path.FilePath)
+ 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 pairs = currentFiles.Union(deletedFiles);
+ var pairs = currentFiles.Union(deletedFiles).ToList();
- Parallel.ForEach(pairs, pair =>
+ 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, this.BlockSize, this.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.
- UpdateStatus(fileState.Id,state=> state.FileStatus = 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)
{
- UpdateStatus(fileState.Id, state => state.FileStatus = 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));
+ }
+ }
}
- });
+ }
+
}
+
-
-
-
- public string BlockHash { get; set; }
- public int BlockSize { get; set; }
+ private int UpdateStatusDirect(Guid id, FileStatus status)
+ {
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
+ {
- private PithosStatus _pithosStatus=PithosStatus.InSynch;
+ 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;
+ }
- public void SetPithosStatus(PithosStatus status)
- {
- _pithosStatus = status;
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
+ }
+ }
}
-
- public PithosStatus GetPithosStatus()
+
+ private int UpdateStatusDirect(string path, FileStatus status)
{
- return _pithosStatus;
- }
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
+ {
+ try
+ {
- private string _pithosDataPath;
+
+ using (var connection = GetConnection())
+ using (
+ var command =
+ new SQLiteCommand("update FileState set FileStatus= :fileStatus where FilePath = :path COLLATE NOCASE",
+ connection))
+ {
- public T GetStatus<T>(string path,Func<FileState,T> getter,T defaultValue )
- {
- if (String.IsNullOrWhiteSpace(path))
- throw new ArgumentNullException("path");
- if (!Path.IsPathRooted(path))
- throw new ArgumentException("path must be a rooted path", "path");
- if (getter == null)
- throw new ArgumentNullException("getter");
- Contract.EndContractBlock();
+ command.Parameters.AddWithValue("fileStatus", status);
- try
- {
- var state = FileState.FindByFilePath(path);
- return state == null ? defaultValue : getter(state);
- }
- catch (Exception exc)
- {
- Trace.TraceError(exc.ToString());
- return defaultValue;
+ 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;
+ }
}
}
- /// <summary>
- /// Sets the status of a file, creating a new FileState entry if one doesn't already exist.
- /// </summary>
- /// <param name="path"></param>
- /// <param name="setter"></param>
- public void SetStatus(string path,Action<FileState> setter)
+ private int UpdateStatusDirect(string absolutePath, FileStatus fileStatus, FileOverlayStatus overlayStatus, string conflictReason)
{
- if (String.IsNullOrWhiteSpace(path))
- throw new ArgumentNullException("path", "path can't be empty");
- if (setter==null)
- throw new ArgumentNullException("setter", "setter can't be empty");
- Contract.EndContractBlock();
-
- _persistenceAgent.Post(() =>
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("UpdateStatusDirect"))
{
- using (new SessionScope())
+
+ try
{
- var filePath = path.ToLower();
- var state = FileState.FindByFilePath(filePath);
- if (state != null)
+
+
+ using (var connection = GetConnection())
+ using (
+ var command =
+ new SQLiteCommand(
+ "update FileState set OverlayStatus= :overlayStatus, FileStatus= :fileStatus,ConflictReason= :conflictReason where FilePath = :path COLLATE NOCASE ",
+ connection))
{
- setter(state);
- state.Save();
+
+ 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;
}
- else
- {
- state = new FileState {FilePath = filePath};
- setter(state);
- state.Save();
- }
}
- });
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
+ }
+ }
}
+
- /// <summary>
- /// Sets the status of a file only if the file already exists
- /// </summary>
- /// <param name="path"></param>
- /// <param name="setter"></param>
- private void UpdateStatus(string path, Action<FileState> setter)
+
+ public string BlockHash { get; set; }
+
+ public int BlockSize { get; set; }
+ public void ChangeRoots(string oldPath, string newPath)
{
- if (String.IsNullOrWhiteSpace(path))
- throw new ArgumentNullException("path");
- if (!Path.IsPathRooted(path))
- throw new ArgumentException("The path must be rooted", "path");
- if (setter == null)
- throw new ArgumentNullException("setter");
+ if (String.IsNullOrWhiteSpace(oldPath))
+ throw new ArgumentNullException("oldPath");
+ if (!Path.IsPathRooted(oldPath))
+ throw new ArgumentException("oldPath must be an absolute path", "oldPath");
+ if (string.IsNullOrWhiteSpace(newPath))
+ throw new ArgumentNullException("newPath");
+ if (!Path.IsPathRooted(newPath))
+ throw new ArgumentException("newPath must be an absolute path", "newPath");
Contract.EndContractBlock();
- Debug.Assert(!path.Contains("fragments"));
- Debug.Assert(!path.EndsWith(".ignore"));
+ FileState.ChangeRootPath(oldPath,newPath);
- if (String.IsNullOrWhiteSpace(path))
- throw new ArgumentNullException("path", "path can't be empty");
+ }
- if (setter == null)
- throw new ArgumentNullException("setter", "setter can't be empty");
- _persistenceAgent.Post(() =>
- {
- using (new SessionScope())
- {
- var filePath = path.ToLower();
- var state = FileState.FindByFilePath(filePath);
- if (state == null)
- {
- Trace.TraceWarning("[NOFILE] Unable to set status for {0}.", filePath);
- return;
- }
- setter(state);
- state.Save();
- }
-
- });
- }
-
- /// <summary>
- /// Sets the status of a specific state
- /// </summary>
- /// <param name="path"></param>
- /// <param name="setter"></param>
- private void UpdateStatus(Guid stateID, Action<FileState> setter)
+ private readonly string _pithosDataPath;
+
+
+ public FileState GetStateByFilePath(string path)
{
- if (setter == null)
- throw new ArgumentNullException("setter");
+ 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(() =>
+ try
{
- using (new SessionScope())
+
+ 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))
{
- var state = FileState.Find(stateID);
- if (state == null)
+
+ command.Parameters.AddWithValue("path", path);
+
+ using (var reader = command.ExecuteReader())
{
- Trace.TraceWarning("[NOFILE] Unable to set status for {0}.", stateID);
- return;
- }
- setter(state);
- state.Save();
+ 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 state = FileState.FindByFilePath(path);
- return state == null ? FileOverlayStatus.Unversioned : state.OverlayStatus;
+
+ using (var connection = GetConnection())
+ using (var command = new SQLiteCommand("select OverlayStatus from FileState where FilePath=:path COLLATE NOCASE", connection))
+ {
+
+ command.Parameters.AddWithValue("path", path);
+
+ var s = command.ExecuteScalar();
+ return (FileOverlayStatus) Convert.ToInt32(s);
+ }
}
catch (Exception exc)
{
- Trace.TraceError(exc.ToString());
+ Log.ErrorFormat(exc.ToString());
return FileOverlayStatus.Unversioned;
}
}
- public void SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus)
+ private string GetConnectionString()
{
- if (String.IsNullOrWhiteSpace(path))
- throw new ArgumentNullException("path");
- if (!Path.IsPathRooted(path))
- throw new ArgumentException("The path must be rooted","path");
- Contract.EndContractBlock();
-
- SetStatus(path.ToLower(),s=>s.OverlayStatus=overlayStatus);
+ var connectionString = String.Format(@"Data Source={0}\pithos.db;Version=3;Enlist=N;Pooling=True", _pithosDataPath);
+ return connectionString;
}
- /*public void RemoveFileOverlayStatus(string path)
+ private SQLiteConnection GetConnection()
{
- 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(() =>
- InnerRemoveFileOverlayStatus(path));
+ 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;
}
- private static void InnerRemoveFileOverlayStatus(string path)
+ /* 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");
+ throw new ArgumentException("The path must be rooted","path");
Contract.EndContractBlock();
- FileState.DeleteByFilePath(path);
+ _persistenceAgent.Post(() => FileState.StoreOverlayStatus(path,overlayStatus));
}*/
- public void RenameFileOverlayStatus(string oldPath, string newPath)
+ public Task SetFileOverlayStatus(string path, FileOverlayStatus overlayStatus, string shortHash = null)
{
- if (String.IsNullOrWhiteSpace(oldPath))
- throw new ArgumentNullException("oldPath");
- if (!Path.IsPathRooted(oldPath))
- throw new ArgumentException("The oldPath must be rooted", "oldPath");
- if (String.IsNullOrWhiteSpace(newPath))
- throw new ArgumentNullException("newPath");
- if (!Path.IsPathRooted(newPath))
- throw new ArgumentException("The newPath must be rooted", "newPath");
+ 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(() =>
- InnerRenameFileOverlayStatus(oldPath, newPath));
+ return _persistenceAgent.PostAndAwait(() => FileState.StoreOverlayStatus(path,overlayStatus,shortHash));
}
- private static void InnerRenameFileOverlayStatus(string oldPath, string newPath)
+ /* public void RenameFileOverlayStatus(string oldPath, string newPath)
{
if (String.IsNullOrWhiteSpace(oldPath))
throw new ArgumentNullException("oldPath");
throw new ArgumentException("The newPath must be rooted", "newPath");
Contract.EndContractBlock();
- var state = FileState.FindByFilePath(oldPath);
-
- if (state == null)
- {
- Trace.TraceWarning("[NOFILE] Unable to set status for {0}.", oldPath);
- return;
- }
- //NOTE: This will cause problems if path is used as a key in relationships
- state.FilePath = newPath;
- state.Update();
- }
+ _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");
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- UpdateStatus(path.ToLower(),state=>
- {
- state.FileStatus = fileStatus;
- state.OverlayStatus = overlayStatus;
- });
+ Debug.Assert(!path.Contains(FolderConstants.CacheFolder));
+ Debug.Assert(!path.EndsWith(".ignore"));
+
+ _persistenceAgent.Post(() => UpdateStatusDirect(path, fileStatus, overlayStatus, conflictReason));
}
+/*
public void StoreInfo(string path,ObjectInfo objectInfo)
{
if (String.IsNullOrWhiteSpace(path))
//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.FileStatus = FileStatus.Unchanged;
state.OverlayStatus = FileOverlayStatus.Normal;
- //Create a list of tags from the ObjectInfo's tag dictionary
- //Make sure to bind each tag to its parent state so we don't have to save each tag separately
- //state.Tags = (from pair in objectInfo.Tags
- // select
- // new FileTag
- // {
- // FileState = state,
- // Name = pair.Key,
- // Value = pair.Value
- // }
- // ).ToList();
-
+
//Do the save
state.Save();
}
});
}
-
+*/
+ public void StoreInfo(string path, ObjectInfo objectInfo)
+ {
+ if (String.IsNullOrWhiteSpace(path))
+ throw new ArgumentNullException("path");
+ if (!Path.IsPathRooted(path))
+ throw new ArgumentException("The path must be rooted", "path");
+ if (objectInfo == null)
+ throw new ArgumentNullException("objectInfo", "objectInfo can't be empty");
+ Contract.EndContractBlock();
+
+ _persistenceAgent.Post(() => StoreInfoDirect(path, objectInfo));
+
+ }
+
+ 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,ObjectID) VALUES (:id,:path,:checksum,:version,:versionTimeStamp,:shortHash,:fileStatus,:overlayStatus,:objectID)";
+ command.Parameters.AddWithValue("id", Guid.NewGuid());
+ }
+
+ command.Parameters.AddWithValue("path", path);
+ command.Parameters.AddWithValue("checksum", objectInfo.X_Object_Hash);
+ command.Parameters.AddWithValue("shortHash", 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();
+ 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 COLLATE NOCASE", connection))
+ {
+ command.Parameters.AddWithValue("path", filePath);
+ var result = command.ExecuteScalar();
+ return ((long)result >= 1);
+ }
+
+ }
+
public void SetFileStatus(string path, FileStatus status)
- {
- UpdateStatus(path.ToLower(), state=>state.FileStatus = status);
+ {
+ 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(() => UpdateStatusDirect(path, status));
}
public FileStatus GetFileStatus(string path)
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- var state = FileState.FindByFilePath(path);
- return (state==null)?FileStatus.Missing:state.FileStatus ;
+
+ using (var connection = GetConnection())
+ {
+ 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))
throw new ArgumentException("The path must be rooted", "path");
Contract.EndContractBlock();
- //TODO:SHOULDN'T need both clear file status and remove overlay status
- _persistenceAgent.Post(() =>
- {
- using (new SessionScope())
- {
- FileState.DeleteByFilePath(path);
- }
- });
+ _persistenceAgent.Post(() => DeleteDirect(path));
}
- public void UpdateFileChecksum(string path, string checksum)
+ /// <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");
+ 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));
+ }
- _persistenceAgent.Post(() =>
+ 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())
{
- using (new SessionScope())
+ var newState = FileState.CreateFor(fileInfo);
+ newState.FileStatus=FileStatus.Missing;
+ _persistenceAgent.PostAndAwait(newState.CreateAndFlush).Wait();
+ }
+
+ }
+
+ private int DeleteDirect(string filePath)
+ {
+ using (log4net.ThreadContext.Stacks["StatusAgent"].Push("DeleteDirect"))
+ {
+
+ try
{
- var state = FileState.FindByFilePath(path);
- if (state == null)
+
+
+ using (var connection = GetConnection())
{
- Trace.TraceWarning("[NOFILE] Unable to set checkesum for {0}.", path);
- return;
+ var command = new SQLiteCommand("delete from FileState where FilePath = :path COLLATE NOCASE",
+ connection);
+
+ command.Parameters.AddWithValue("path", filePath);
+
+ var affected = command.ExecuteNonQuery();
+ return affected;
}
- state.Checksum = checksum;
- state.Update();
}
- });
+ 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);
+
+ var affected = command.ExecuteNonQuery();
+ return affected;
+ }
+ }
+ catch (Exception exc)
+ {
+ Log.Error(exc.ToString());
+ throw;
+ }
+ }
+ }
+
+ public void UpdateFileChecksum(string path, string shortHash, string checksum)
+ {
+ 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.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