/// <summary>
/// Método acionado quando o número de bytes escritos for atualizado.
/// </summary>
/// <param name="item"></param>
/// <param name="numBytesWritten"></param>
private void UpdateNumBytesWritten(Colosoft.Net.IUploaderItem item, long numBytesWritten)
{
item.NumberBytesSent += numBytesWritten;
if (_progressTimer.ElapsedMilliseconds > (_elapsedMilliseconds + 1000))
{
OnProgressChanged();
_elapsedMilliseconds = _progressTimer.ElapsedMilliseconds;
}
}
/// <summary>
/// Cria a stream com os parametros para a requisição.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private System.Net.HttpWebRequest CreateStreamRequest(Colosoft.Net.IUploaderItem item)
{
byte[] buffer = new byte[1024];
int read = 0;
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
System.Net.HttpWebRequest request = CreateRequest(Url);
request.ContentType = "multipart/form-data; boundary=" + boundary;
request.Method = "POST";
request.KeepAlive = true;
request.Credentials = System.Net.CredentialCache.DefaultCredentials;
var info = new Colosoft.Net.UploaderItemInfo(item);
using (var outputStream = GetRequestStream(item, request))
{
outputStream.Write(boundarybytes, 0, boundarybytes.Length);
string header = "Content-Disposition: form-data; name=\"info\";\r\nContent-Type:application/octet-stream\r\n\r\n";
byte[] headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
outputStream.Write(headerbytes, 0, headerbytes.Length);
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(Colosoft.Net.UploaderItemInfo));
serializer.Serialize(outputStream, info);
outputStream.Write(boundarybytes, 0, boundarybytes.Length);
header = "Content-Disposition: form-data; name=\"data\"; filename=\"item.data\"\r\nContent-Type:application/octet-stream\r\n\r\n";
headerbytes = System.Text.Encoding.UTF8.GetBytes(header);
outputStream.Write(headerbytes, 0, headerbytes.Length);
using (var itemStream = item.GetContent())
while ((read = itemStream.Read(buffer, 0, buffer.Length)) > 0)
{
outputStream.Write(buffer, 0, read);
}
byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
outputStream.Write(trailer, 0, trailer.Length);
}
return(request);
}
/// <summary>
/// Processa os dados recebidos pelo upload.
/// </summary>
/// <param name="item"></param>
protected virtual void ProcessUpload(Colosoft.Net.IUploaderItem item)
{
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="stream"></param>
/// <param name="uploader"></param>
/// <param name="item"></param>
public TracingUploadStream(System.IO.Stream stream, Uploader uploader, Colosoft.Net.IUploaderItem item) : base(stream)
{
_uploader = uploader;
_item = item;
}
/// <summary>
/// Recupera a stream para enviar os dados da requisição.
/// </summary>
/// <param name="item"></param>
/// <param name="request"></param>
/// <returns></returns>
private System.IO.Stream GetRequestStream(Colosoft.Net.IUploaderItem item, System.Net.HttpWebRequest request)
{
return(new TracingUploadStream(request.GetRequestStream(), this, item));
}
