public bool Main(string url, string caminho, string user, string palavra, ref string msg, bool modo)
{
msg = "";
// Create a Uri instance with the specified URI string.
// If the URI is not correctly formed, the Uri constructor
// will throw an exception.
ManualResetEvent waitObject;
Uri target = new Uri(url);
string fileName = caminho;
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target);
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
request.Credentials = new NetworkCredential(user, palavra);
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.FileName = fileName;
// Get the event to wait on.
waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
msg = state.OperationException.ToString();
return(false);//throw ex;
}
else
{
if (File.Exists(state.FileName))
{
if (modo == true)
{
File.Delete(state.FileName);
}
}
msg = "The operation completed - " + state.StatusDescription;
return(true);//throw ex;
}
}
private void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
FileStream stream = File.OpenRead(state.FileName);
//字节长度
long maxlength = stream.Length;
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
if (null != FTPProgressEvent)
{
FTPProgressEvent(count, maxlength);
//Thread.Sleep(10);
}
}while (readBytes != 0);
if (null != FTPProgressEvent)
{
FTPProgressEvent(maxlength, maxlength);
}
Console.WriteLine("Writing {0} bytes to the stream.", count);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Console.WriteLine("Could not get the request stream.");
state.OperationException = e;
state.OperationComplete.Set();
return;
}
}
// Command line arguments are two strings:
// 1. The url that is the name of the file being uploaded to the server.
// 2. The name of the file on the local machine.
//
public void UploadFile(string[] args)
{
// Create a Uri instance with the specified URI string.
// If the URI is not correctly formed, the Uri constructor
// will throw an exception.
ManualResetEvent waitObject;
Uri target = new Uri(args[0]);
string fileName = args[1];
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.UseBinary = true;
request.KeepAlive = false;
request.UsePassive = false;
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
request.Credentials = new NetworkCredential("lujyftp", "eman201788");
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.FileName = fileName;
// Get the event to wait on.
waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
else
{
Console.WriteLine("The operation completed - {0}", state.StatusDescription);
}
}
private static void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
using (FileStream stream = File.OpenRead(state.FileName))
{
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
}while (readBytes != 0);
}
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
/*if (File.Exists(state.FileName))
* {
* File.Delete(state.FileName);
* }*/
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
return;
}
}
// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private static void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
response.Close();
state.StatusDescription = response.StatusDescription;
// Signal the main application thread that
// the operation is complete.
state.OperationComplete.Set();
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
}
}
