示例#1
0
        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;
            }
        }
示例#2
0
        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;
            }
        }
示例#3
0
        // 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);
            }
        }
示例#4
0
        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;
            }
        }
示例#5
0
        // 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();
            }
        }