private void OnDataReceive(DownLoadEventArgs e)
{
//触发数据到达事件
DataReceive(this, e);
}
private void OnDataReceive(DownLoadEventArgs e)
{
//触发数据到达事件
DataReceive(this, e);
}
internal byte[] ResponseAsBytes(string RequestURL, WebResponse Response, long Length, string FileName)
{
string a = null; //AttachmentName
int P = 0; //整个文件的位置指针
long num = 0;
try
{
a = Response.Headers["Content-Disposition"]; //attachment
if (a != null)
{
a = a.Substring(a.LastIndexOf("filename=") + 9);
}
num = Length; //Response.ContentLength;
bool flag = false;
if (num == -1)
{
flag = true;
num = 0x0000; //6k
}
byte[] buffer = new byte[(int)num];
int p = 0; //本块的位置指针
string s = Response.Headers["Content-Range"];
if (s != null)
{
s = s.Replace("bytes ", "");
s = s.Substring(0, s.IndexOf("-"));
P = Convert.Toint(s);
}
num = 0;
Stream S = Response.GetResponseStream();
do
{
num = S.Read(buffer, num, ((int)num) - num);
num += num;
if (flag && (num == num))
{
num += 0x0000;
byte[] buffer = new byte[(int)num];
Buffer.BlockCopy(buffer, 0, buffer, 0, num);
buffer = buffer;
}
// lock (_SyncLockObject)
// {
// this._bytes += num;
// }
if (num > 0)
{
if (this.DataReceive != null)
{
byte[] buffer = new byte[num];
Buffer.BlockCopy(buffer, p, buffer, 0, buffer.Length);
DownLoadState dls = new DownLoadState(RequestURL, Response.ResponseUri.AbsolutePath, FileName, a, P, num, buffer);
DownLoadEventArgs dlea = new DownLoadEventArgs(dls);
//触发事件
this.OnDataReceive(dlea);
//System.Threading.Thread.Sleep(00);
}
p += num; //本块的位置指针
P += num; //整个文件的位置指针
}
else
{
break;
}
}while (num != 0);
S.Close();
S = null;
if (flag)
{
byte[] buffer = new byte[num];
Buffer.BlockCopy(buffer, 0, buffer, 0, num);
buffer = buffer;
}
return(buffer);
}
catch (Exception e)
{
ExceptionActions ea = ExceptionActions.Throw;
if (this.ExceptionOccurrs != null)
{
DownLoadState x = new DownLoadState(RequestURL, Response.ResponseUri.AbsolutePath, FileName, a, P, num);
ExceptionEventArgs eea = new ExceptionEventArgs(e, x);
ExceptionOccurrs(this, eea);
ea = eea.ExceptionAction;
}
if (ea == ExceptionActions.Throw)
{
if (!(e is WebException) && !(e is SecurityException))
{
throw new WebException("net_webclient", e);
}
throw;
}
return(null);
}
}
internal byte[] ResponseAsBytes(string RequestURL, WebResponse Response, long Length, string FileName)
{
string a = null; //AttachmentName
int P = 0; //整个文件的位置指针
long num = 0;
try
{
a = Response.Headers["Content-Disposition"]; //attachment
if (a != null)
{
a = a.Substring(a.LastIndexOf("filename=") + 9);
}
num = Length; //Response.ContentLength;
bool flag = false;
if (num == -1)
{
flag = true;
num = 0x0000; //6k
}
byte[] buffer = new byte[(int)num];
int p = 0; //本块的位置指针
string s = Response.Headers["Content-Range"];
if (s != null)
{
s = s.Replace("bytes ", "");
s = s.Substring(0, s.IndexOf("-"));
P = Convert.Toint(s);
}
num = 0;
Stream S = Response.GetResponseStream();
do
{
num = S.Read(buffer, num, ((int)num) - num);
num += num;
if (flag && (num == num))
{
num += 0x0000;
byte[] buffer = new byte[(int)num];
Buffer.BlockCopy(buffer, 0, buffer, 0, num);
buffer = buffer;
}
// lock (_SyncLockObject)
// {
// this._bytes += num;
// }
if (num > 0)
{
if (this.DataReceive != null)
{
byte[] buffer = new byte[num];
Buffer.BlockCopy(buffer, p, buffer, 0, buffer.Length);
DownLoadState dls = new DownLoadState(RequestURL, Response.ResponseUri.AbsolutePath, FileName, a, P, num, buffer);
DownLoadEventArgs dlea = new DownLoadEventArgs(dls);
//触发事件
this.OnDataReceive(dlea);
//System.Threading.Thread.Sleep(00);
}
p += num; //本块的位置指针
P += num; //整个文件的位置指针
}
else
{
break;
}
}
while (num != 0);
S.Close();
S = null;
if (flag)
{
byte[] buffer = new byte[num];
Buffer.BlockCopy(buffer, 0, buffer, 0, num);
buffer = buffer;
}
return buffer;
}
catch (Exception e)
{
ExceptionActions ea = ExceptionActions.Throw;
if (this.ExceptionOccurrs != null)
{
DownLoadState x = new DownLoadState(RequestURL, Response.ResponseUri.AbsolutePath, FileName, a, P, num);
ExceptionEventArgs eea = new ExceptionEventArgs(e, x);
ExceptionOccurrs(this, eea);
ea = eea.ExceptionAction;
}
if (ea == ExceptionActions.Throw)
{
if (!(e is WebException) && !(e is SecurityException))
{
throw new WebException("net_webclient", e);
}
throw;
}
return null;
}
}
