internal static void DoCopyTo(INode thisNode, INode target, Func <INode, bool, INode> baseCall, bool overwrite)
{
DoCopyOrMove
(
thisNode,
target,
overwrite,
baseCall,
delegate(NetworkFileSystem.FreeClientContext clientContext)
{
return(clientContext.NetworkFileSystemClient.Copy);
}
);
((NetworkNodeAndFileAttributes)target.Attributes).SetValue <bool>("exists", true);
List <KeyValuePair <string, object> > attributes;
attributes = new List <KeyValuePair <string, object> >();
// Copy attributes to target node
lock (thisNode.Attributes.SyncLock)
{
foreach (string name in thisNode.Attributes.Names)
{
attributes.Add(new KeyValuePair <string, object>(name, thisNode.Attributes[name]));
}
}
lock (target.Attributes.SyncLock)
{
((NetworkNodeAndFileAttributes)target.Attributes).SetValue <bool>("exists", true);
foreach (KeyValuePair <string, object> attribute in attributes)
{
target.Attributes[attribute.Key] = attribute.Value;
}
}
if (target.ParentDirectory is NetworkDirectory)
{
((NetworkDirectory)target.ParentDirectory).AddChild(target);
}
if (((NetworkFileSystem)thisNode.FileSystem).ShouldSupportSynthesizedActivityEvents)
{
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)target.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Created, target.NodeType, target.Name, target.Address.AbsolutePath));
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)target.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Changed, target.NodeType, target.Name, target.Address.AbsolutePath));
}
}
internal static void DoCreate(INode thisNode, bool createParent)
{
using (NetworkFileSystem.FreeClientContext clientContext = ((NetworkFileSystem)thisNode.FileSystem).GetFreeClientContext())
{
clientContext.NetworkFileSystemClient.Create(((NetworkNodeAddress)thisNode.Address).RemoteUri, thisNode.NodeType, createParent);
lock (thisNode.Attributes.SyncLock)
{
((NetworkNodeAndFileAttributes)thisNode.Attributes).SetValue <bool>("exists", true);
}
if (((NetworkFileSystem)thisNode.FileSystem).ShouldSupportSynthesizedActivityEvents)
{
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)thisNode.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Created, thisNode.NodeType, thisNode.Name, thisNode.Address.AbsolutePath));
}
}
}
protected override Stream DoOpenStream(string contentName, FileMode fileMode, FileAccess fileAccess, FileShare fileShare)
{
Stream stream = null;
NetworkFileSystem.FreeClientContext clientContext = null;
// Get a new client context optimised for binary access
clientContext = this.FileSystem.GetFreeClientContext(true);
try
{
// Create a new RandomAcessStream based on the client
stream = clientContext.NetworkFileSystemClient.OpenRandomAccessStream(this.Address.RemoteUri, fileMode, fileAccess, fileShare);
// Make sure the client context is disposed after the stream is closed
((IStreamWithEvents)stream).AfterClose += delegate
{
clientContext.Dispose();
if (fileAccess == FileAccess.ReadWrite || fileAccess == FileAccess.Write)
{
((NetworkNodeAndFileAttributes)this.Attributes).SetValue <bool>("exists", true);
((NetworkNodeAndFileAttributes)this.Attributes).SetValue <long>("length", stream.Length);
((NetworkDirectory)this.ParentDirectory).AddChild(this);
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)this.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Changed, this.NodeType, this.Name, this.Address.AbsolutePath));
}
};
}
finally
{
if (stream == null)
{
// Explicitly dispose the client context because the
// stream can't do it cause it doesn't exist
clientContext.Dispose();
}
}
return(stream);
}
public virtual void Update()
{
lock (this.SyncLock)
{
var networkFileSystem = (NetworkFileSystem)this.node.FileSystem;
using (var clientContext = networkFileSystem.GetFreeClientContext())
{
clientContext.NetworkFileSystemClient.SetAttributes
(
((NetworkNodeAddress)this.node.Address).RemoteUri,
this.node.NodeType,
GetAttributesPairs()
);
}
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)this.node.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Changed, this.node.NodeType, this.node.Name, this.node.Address.AbsolutePath));
}
}
internal static void DoDelete(INode thisNode, bool recursive)
{
using (NetworkFileSystem.FreeClientContext clientContext = ((NetworkFileSystem)thisNode.FileSystem).GetFreeClientContext())
{
clientContext.NetworkFileSystemClient.Delete(((NetworkNodeAddress)thisNode.Address).RemoteUri, thisNode.NodeType, recursive);
lock (thisNode.Attributes)
{
((NetworkNodeAndFileAttributes)thisNode.Attributes).Clear();
((NetworkNodeAndFileAttributes)thisNode.Attributes).SetValue <bool>("exists", false, false);
}
if (((NetworkFileSystem)thisNode.FileSystem).ShouldSupportSynthesizedActivityEvents)
{
NetworkFileSystem.RaiseActivityEvent((NetworkFileSystem)thisNode.FileSystem, new FileSystemActivityEventArgs(FileSystemActivity.Deleted, thisNode.NodeType, thisNode.Name, thisNode.Address.AbsolutePath));
if (!thisNode.Address.IsRoot && thisNode.ParentDirectory is NetworkDirectory)
{
((NetworkDirectory)thisNode.ParentDirectory).RemoveChild(thisNode);
}
}
}
}
internal static void RaiseActivityEvent(NetworkFileSystem networkFileSystem, FileSystemActivityEventArgs eventArgs)
{
var uniqueId = networkFileSystem.GetUniqueId();
lock (staticFileSystemsCache)
{
IList<NetworkFileSystemWeakReference> fileSystems;
if (staticFileSystemsCache.TryGetValue(uniqueId, out fileSystems))
{
var node = networkFileSystem.Resolve(eventArgs.Path, eventArgs.NodeType);
foreach (var reference in fileSystems)
{
var fileSystem = reference.Target;
if (fileSystem != null)
{
var currentNode = fileSystem.Resolve(eventArgs.Path, eventArgs.NodeType);
lock (currentNode.Attributes.SyncLock)
{
if (currentNode != node)
{
foreach (var attribute in node.Attributes)
{
((NetworkNodeAndFileAttributes)currentNode.Attributes).SetValue<object>(attribute.Key, attribute.Value, false);
}
}
}
fileSystem.OnActivity(eventArgs);
}
}
}
}
}
internal static void RaiseActivityEvent(NetworkFileSystem networkFileSystem, FileSystemActivityEventArgs eventArgs)
{
var uniqueId = networkFileSystem.GetUniqueId();
lock (staticFileSystemsCache)
{
IList <NetworkFileSystemWeakReference> fileSystems;
if (staticFileSystemsCache.TryGetValue(uniqueId, out fileSystems))
{
var node = networkFileSystem.Resolve(eventArgs.Path, eventArgs.NodeType);
foreach (var reference in fileSystems)
{
var fileSystem = reference.Target;
if (fileSystem != null)
{
var currentNode = fileSystem.Resolve(eventArgs.Path, eventArgs.NodeType);
lock (currentNode.Attributes.SyncLock)
{
if (currentNode != node)
{
foreach (var attribute in node.Attributes)
{
((NetworkNodeAndFileAttributes)currentNode.Attributes).SetValue <object>(attribute.Key, attribute.Value, false);
}
}
}
fileSystem.OnActivity(eventArgs);
}
}
}
}
}
protected internal FreeClientContext(NetworkFileSystem fileSystem, INetworkFileSystemClient client, bool forBinary)
{
this.forBinary = forBinary;
this.fileSystem = fileSystem;
this.NetworkFileSystemClient = client;
}
protected internal FreeClientContext(NetworkFileSystem fileSystem, INetworkFileSystemClient client, bool forBinary)
{
this.forBinary = forBinary;
this.fileSystem = fileSystem;
this.NetworkFileSystemClient = client;
}