本文整理汇总了C#中System.Net.FtpWebRequest.Abort方法的典型用法代码示例。如果您正苦于以下问题:C# FtpWebRequest.Abort方法的具体用法?C# FtpWebRequest.Abort怎么用?C# FtpWebRequest.Abort使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Net.FtpWebRequest
的用法示例。
在下文中一共展示了FtpWebRequest.Abort方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
public class ApplicationMain
{
public static void Main()
{
ManualResetEvent wait = new ManualResetEvent(false);
AsynchronousFtpUpLoader uploader = new AsynchronousFtpUpLoader(wait);
uploader.AllowAbortUpload("out.txt", "ftp://sharriso1/ftptests.txt");
wait.WaitOne();
if (uploader.AsyncException != null)
{
Console.WriteLine(uploader.AsyncException.ToString());
}
}
}
public class AsynchronousFtpUpLoader
{
ManualResetEvent wait;
FtpWebRequest request;
byte [] fileContents;
Exception asyncException = null;
public AsynchronousFtpUpLoader(ManualResetEvent wait)
{
this.wait = wait;
}
public Exception AsyncException
{
get { return asyncException;}
}
private void EndGetStreamCallback(IAsyncResult ar)
{
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = request.EndGetRequestStream(ar);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Console.WriteLine("Could not get the request stream.");
asyncException = e;
wait.Set();
return;
}
// Write the file contents to the request stream.
requestStream.Write(fileContents, 0, fileContents.Length);
Console.WriteLine ("Writing {0} bytes to the stream.", fileContents.Length);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
}
// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private void EndGetResponseCallback(IAsyncResult ar)
{
FtpWebResponse response = null;
try
{
response = (FtpWebResponse) request.EndGetResponse(ar);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Console.WriteLine ("Error getting response.");
asyncException = e;
wait.Set();
}
Console.WriteLine("Upload status: {0}",response.StatusDescription);
// Signal the application thread that this operation is complete.
wait.Set();
}
internal void AbortRequest(FtpWebRequest request)
{
request.Abort();
Console.WriteLine("Request aborted!");
wait.Set();
}
public void AllowAbortUpload(string fileName, string serverUri)
{
request = (FtpWebRequest)WebRequest.Create(serverUri);
request.Method = WebRequestMethods.Ftp.UploadFile;
// Get the file to be uploaded and convert it to bytes.
StreamReader sourceStream = new StreamReader(fileName);
fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
sourceStream.Close();
// Set the content length to the number of bytes in the file.
request.ContentLength = fileContents.Length;
// Asynchronously get the stream for the file contents.
IAsyncResult ar = request.BeginGetRequestStream(
new AsyncCallback (EndGetStreamCallback), null);
while (!ar.IsCompleted)
{
Console.WriteLine("Press 'a' to abort writing to the request stream. Press any other key to continue...");
string input = Console.ReadLine();
if (input == "a")
{
AbortRequest(request);
return;
}
}
Console.WriteLine("Sending the request asynchronously...");
IAsyncResult responseAR = request.BeginGetResponse(
new AsyncCallback (EndGetResponseCallback), null);
while (!responseAR.IsCompleted)
{
Console.WriteLine("Press 'a' to abort the upload. Press any other key to continue.");
string input = Console.ReadLine();
if (input == "a")
{
AbortRequest(request);
return;
}
}
}