public override void ExecuteRequest()
{
DataBuffer buf1 = new DataBuffer();
buf1.InsertInt16(20);
buf1.InsertInt16(0x0200);
buf1.InsertDwordString("IX86");
buf1.InsertDwordString(Product);
if (m_ad)
{
buf1.InsertInt32(m_adId);
buf1.InsertDwordString(m_adExt);
}
else
{
buf1.InsertInt64(0);
}
Socket sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sck.Connect(Server, 6112);
sck.Send(new byte[] { 2 });
sck.Send(buf1.UnderlyingBuffer, 0, buf1.Count, SocketFlags.None);
NetworkStream ns = new NetworkStream(sck, false);
DataReader rdr = new DataReader(ns, 4);
int serverToken = rdr.ReadInt32();
DataBuffer buf2 = new DataBuffer();
buf2.InsertInt32(0); // no resuming
if (FileTime.HasValue)
{
buf2.InsertInt64(FileTime.Value.ToFileTimeUtc());
}
else
{
buf2.InsertInt64(0);
}
int clientToken = new Random().Next();
buf2.InsertInt32(clientToken);
buf2.InsertInt32(m_key.Key.Length);
buf2.InsertInt32(m_key.Product);
buf2.InsertInt32(m_key.Value1);
buf2.InsertInt32(0);
buf2.InsertByteArray(m_key.GetHash(clientToken, serverToken));
buf2.InsertCString(FileName);
sck.Send(buf2.UnderlyingBuffer, 0, buf2.Count, SocketFlags.None);
rdr = new DataReader(ns, 4);
int msg2Size = rdr.ReadInt32() - 4;
rdr = new DataReader(ns, msg2Size);
this.FileSize = rdr.ReadInt32();
rdr.Seek(8);
long fileTime = rdr.ReadInt64();
DateTime time = DateTime.FromFileTimeUtc(fileTime);
string name = rdr.ReadCString();
if (string.Compare(name, FileName, StringComparison.OrdinalIgnoreCase) != 0 || FileSize == 0)
{
throw new FileNotFoundException(Resources.bnftp_filenotfound);
}
byte[] data = ReceiveLoop(sck, FileSize);
sck.Close();
FileStream fs = new FileStream(LocalFileName, FileMode.OpenOrCreate, FileAccess.Write);
fs.Write(data, 0, FileSize);
fs.Flush();
fs.Close();
}
/// <summary>
/// Executes the BnFTP request, downloading the file to where <see cref="BnFtpRequestBase.LocalFileName">LocalFileName</see>
/// specifies, and closes the connection.
/// </summary>
/// <remarks>
/// <para>By default, <c>LocalFileName</c> is the same name as the remote file, which will cause the file
/// to be saved in the local application path. The desired location of the file must be set before
/// <b>ExecuteRequest</b> is called.</para>
/// </remarks>
/// <exception cref="IOException">Thrown if the local file cannot be written.</exception>
/// <exception cref="SocketException">Thrown if the remote host closes the connection prematurely.</exception>
public override void ExecuteRequest()
{
DataBuffer buffer = new DataBuffer();
buffer.InsertInt16((short)(33 + FileName.Length));
buffer.InsertInt16(0x0100);
buffer.InsertDwordString("IX86");
buffer.InsertDwordString(Product);
if (m_ad)
{
buffer.InsertInt32(m_adId);
buffer.InsertDwordString(m_adExt);
}
else
{
buffer.InsertInt64(0);
}
// currently resuming is not supported
buffer.InsertInt32(0);
if (FileTime.HasValue)
{
buffer.InsertInt64(FileTime.Value.ToFileTimeUtc());
}
else
{
buffer.InsertInt64(0);
}
buffer.InsertCString(FileName);
Socket sck = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sck.Connect(Server, 6112);
sck.Send(new byte[] { 2 });
sck.Send(buffer.UnderlyingBuffer, 0, buffer.Count, SocketFlags.None);
BattleNetClientResources.OutgoingBufferPool.FreeBuffer(buffer.UnderlyingBuffer);
byte[] hdrLengthBytes = new byte[2];
sck.Receive(hdrLengthBytes, 2, SocketFlags.None);
int hdrLen = BitConverter.ToInt16(hdrLengthBytes, 0);
Debug.WriteLine(hdrLen, "Header Length");
byte[] hdrBytes = new byte[hdrLen - 2];
sck.Receive(hdrBytes, hdrLen - 2, SocketFlags.None);
DataReader rdr = new DataReader(hdrBytes);
rdr.Seek(2);
int fileSize = rdr.ReadInt32();
this.FileSize = fileSize;
rdr.Seek(8);
long fileTime = rdr.ReadInt64();
string name = rdr.ReadCString();
if (string.Compare(name, FileName, StringComparison.OrdinalIgnoreCase) != 0 || FileSize == 0)
{
throw new FileNotFoundException(Resources.bnftp_filenotfound);
}
Debug.WriteLine(fileSize, "File Size");
byte[] data = ReceiveLoop(sck, fileSize);
sck.Close();
FileStream fs = new FileStream(LocalFileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);
fs.SetLength(fileSize);
fs.Write(data, 0, fileSize);
fs.Flush();
fs.Close();
DateTime time = DateTime.FromFileTimeUtc(fileTime);
File.SetLastWriteTimeUtc(LocalFileName, time);
}
