/// <summary>
/// Invoked once the result of a pending stream-initiation operation has been
/// received.
/// </summary>
/// <param name="result">The result of the stream-initiation operation. If
/// this parameter is null, stream-initiation failed.</param>
/// <param name="to">The JID of the XMPP user to offer the file to.</param>
/// <param name="stream">The stream to read the file-data from.</param>
/// <param name="name">The name of the file, as offered to the XMPP user
/// with the specified JID.</param>
/// <param name="size">The number of bytes to transfer.</param>
/// <param name="cb">A callback method invoked once the other site has
/// accepted or rejected the file-transfer request.</param>
/// <param name="description">A description of the file so the receiver can
/// better understand what is being sent.</param>
/// <remarks>This is called in the context of an arbitrary thread.</remarks>
private void OnInitiationResult(InitiationResult result, Jid to, string name,
Stream stream, long size, string description, Action <bool, FileTransfer> cb)
{
try
{
FileTransfer transfer = new FileTransfer(im.Jid, to, name, size, result.SessionId,
description);
// Get the instance of the data-stream extension that the other site has
// selected.
IDataStream ext = im.GetExtension(result.Method) as IDataStream;
// Register the session.
SISession session = new SISession(result.SessionId, stream, size, false,
im.Jid, to, ext);
siSessions.TryAdd(result.SessionId, session);
// Store the file's meta data.
metaData.TryAdd(result.SessionId, new FileMetaData(name, description));
// Invoke user-provided callback.
if (cb != null)
{
cb.Invoke(true, transfer);
}
// Perform the actual data-transfer.
try
{
ext.Transfer(session);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e.Message + e.StackTrace + e.ToString());
// Nothing to do here.
}
}
catch
{
FileTransfer transfer = new FileTransfer(im.Jid, to, name, size, null,
description);
// Something went wrong. Invoke user-provided callback to let them know
// the file-transfer can't be performed.
if (cb != null)
{
cb.Invoke(false, transfer);
}
}
}
private void OnInitiationResult(InitiationResult result, Jid to, string name, Stream stream, long size, string description, Action <bool, FileTransfer> cb)
{
Exception exception;
FileTransfer transfer = new FileTransfer(base.im.Jid, to, name, size, null, description, 0L);
try
{
IDataStream extension = base.im.GetExtension(result.Method) as IDataStream;
SISession session = new SISession(result.SessionId, stream, size, false, base.im.Jid, to, extension);
this.siSessions.TryAdd(result.SessionId, session);
this.metaData.TryAdd(result.SessionId, new FileMetaData(name, description));
if (cb != null)
{
cb(true, transfer);
}
try
{
CommonConfig.Logger.WriteInfo("开始执行Transfer文件传输方法");
extension.Transfer(session);
}
catch (Exception exception1)
{
exception = exception1;
CommonConfig.Logger.WriteError("发送文件过程出错：" + exception.ToString(), exception);
}
}
catch (Exception exception2)
{
exception = exception2;
if (stream != null)
{
stream.Dispose();
}
CommonConfig.Logger.WriteError("OnInitiationResult发送文件异常", exception);
if (cb != null)
{
cb(false, transfer);
}
}
}