void OnTransferProgress(FtpTransferInfo e)
{
Console.Write("\r{0}/{1} {2}% {3}/s ",
e.Transferred, e.Length, e.Percentage, e.BytesPerSecond);
if (e.Complete)
{
Console.WriteLine();
}
}
/// <summary>
/// Uploads a stream to the specified remote file
/// </summary>
/// <param name="istream"></param>
/// <param name="remote"></param>
/// <param name="datatype"></param>
/// <param name="rest"></param>
/// <example>
/// <code source="..\Examples\Upload\Program.cs" lang="cs"></code>
/// </example>
public void Upload(Stream istream, FtpFile remote, FtpDataType datatype, long rest) {
long size = 0;
long total = 0;
int read = 0;
if (istream == null) {
throw new ArgumentException("istream is null");
}
if (remote == null) {
throw new ArgumentException("remote is null");
}
if (!istream.CanRead) {
throw new ArgumentException("istream is not readable");
}
if (istream.CanSeek) {
size = istream.Length;
if (rest > 0) { // set resume position
istream.Seek(rest, SeekOrigin.Begin);
total = rest;
}
}
else {
rest = 0;
}
using (FtpDataStream ch = this.OpenWrite(remote.FullName, datatype, rest)) {
byte[] buf = new byte[ch.SendBufferSize];
DateTime start = DateTime.Now;
FtpTransferInfo e;
while ((read = istream.Read(buf, 0, buf.Length)) > 0) {
ch.Write(buf, 0, read);
total += read;
e = new FtpTransferInfo(FtpTransferType.Upload, remote.FullName, size, rest, total, start, false);
this.OnTransferProgress(e);
if (e.Cancel) {
break;
}
}
// fire one more time to let event handler know the transfer is complete
this.OnTransferProgress(new FtpTransferInfo(FtpTransferType.Upload, remote.FullName,
size, rest, total, start, true));
}
}
/// <summary>
/// Fires the TransferProgress event
/// </summary>
/// <param name="e"></param>
public void OnTransferProgress(FtpTransferInfo e) {
if (_transfer != null) {
_transfer(e);
}
}
/// <summary>
/// Downloads the remote file to the specified stream
/// </summary>
/// <param name="remote"></param>
/// <param name="ostream"></param>
/// <param name="datatype"></param>
/// <param name="rest"></param>
/// <example>
/// <code source="..\Examples\Download\Program.cs" lang="cs"></code>
/// </example>
public void Download(FtpFile remote, Stream ostream, FtpDataType datatype, long rest) {
long size = remote.Length;
long total = 0;
int read = 0;
if (remote == null) {
throw new ArgumentException("remote is null");
}
if (ostream == null) {
throw new ArgumentException("ostream is null");
}
if (!ostream.CanWrite) {
throw new ArgumentException("ostream is not writable");
}
if (rest > 0 && ostream.CanSeek) { // set reset position
ostream.Seek(rest, SeekOrigin.Begin);
total = rest;
}
else if (!ostream.CanSeek) {
rest = 0;
}
try {
using (FtpDataStream ch = this.OpenRead(remote.FullName, datatype, rest)) {
byte[] buf = new byte[ch.ReceiveBufferSize];
DateTime start = DateTime.Now;
FtpTransferInfo e = null;
while ((read = ch.Read(buf, 0, buf.Length)) > 0) {
ostream.Write(buf, 0, read);
total += read;
e = new FtpTransferInfo(FtpTransferType.Download, remote.FullName, size, rest, total, start, false);
this.OnTransferProgress(e);
if (e.Cancel) {
break;
}
}
// fire one more time to let event handler know that the transfer is complete
this.OnTransferProgress(new FtpTransferInfo(FtpTransferType.Download, remote.FullName,
size, rest, total, start, true));
}
}
finally {
ostream.Flush();
}
}