public FtpResponse RunRetrCommand(
FtpCommandId CommandId,
Nullable <bool> OutNotFound, string CmdText,
CommLog CommLog, FileStream InPcFileStream)
{
ReplyLines replyLines = null;
object rcvdData = null;
Socket cSocket = null;
// return flag. file or dir is not found.
if (OutNotFound != null)
{
OutNotFound = false;
}
try
{
// create the socket to receive on.
cSocket = CreatePasvDataConnect(CommLog);
// Send the FTP command,
replyLines = SendCommand(CommandId, CmdText);
if (replyLines.IncludesAnyReplyCode(new int[] { 125, 150 }) == false)
{
throw new FtpException(CmdText, CommandId, replyLines);
}
// receive the file bytes on the PASV connection.
while (true)
{
Array.Clear(m_aBuffer, 0, m_aBuffer.Length);
m_iBytes = cSocket.Receive(m_aBuffer, m_aBuffer.Length, 0);
InPcFileStream.Write(m_aBuffer, 0, m_iBytes);
if (m_iBytes <= 0)
{
break;
}
}
}
finally
{
if (cSocket != null)
{
cSocket.Close();
}
}
// receive back the response on the command connection after all file
// bytes received on the PASV connection.
{
ReplyLines postReplyLines = ReadReply();
if (postReplyLines.IncludesReplyCode(550) == true)
{
if (OutNotFound == null)
{
throw new FtpException(CmdText, CommandId, postReplyLines);
}
else
{
OutNotFound = true;
}
}
else
{
if (postReplyLines.IncludesAnyReplyCode(new int[] { 226, 250 }) == false)
{
string moreInfo =
"Unexpected FTP server reply following " +
"data channel disconnect. " +
postReplyLines.Lines.ToArray();
throw new FtpException(CmdText, CommandId, replyLines, moreInfo);
}
}
}
return(new FtpResponse(CommandId, CommLog, CmdText, replyLines, rcvdData));
}
public FtpResponse RunStorCommand(
FtpCommandId CommandId,
Nullable <bool> OutNotFound, string CmdText,
CommLog CommLog, FileStream InPcFileStream)
{
ReplyLines replyLines = null;
object rcvdData = null;
Socket cSocket = null;
// return flag. file or dir is not found.
if (OutNotFound != null)
{
OutNotFound = false;
}
try
{
// create the socket to send on.
cSocket = CreatePasvDataConnect(CommLog);
// Send the FTP command,
replyLines = SendCommand(CommandId, CmdText);
// send the file bytes on the PASV channel.
if (CommandId == FtpCommandId.STOR)
{
byte[] buf = new byte[9999];
while (true)
{
int byteCx = InPcFileStream.Read(buf, 0, buf.Length);
if (byteCx == 0)
{
break;
}
cSocket.Send(buf, byteCx, 0);
}
}
}
finally
{
if (cSocket != null)
{
cSocket.Close();
}
}
// receive back the response on the command connection after file bytes
// sent on the data connection.
if (CommandId == FtpCommandId.STOR)
{
ReplyLines postReplyLines = ReadReply();
if (postReplyLines.IncludesReplyCode(550) == true)
{
if (OutNotFound == null)
{
throw new FtpException(CmdText, CommandId, postReplyLines);
}
else
{
OutNotFound = true;
}
}
else
{
if (postReplyLines.IncludesAnyReplyCode(new int[] { 226, 250 }) == false)
{
string moreInfo =
"Unexpected FTP server reply following " +
"data channel disconnect. " +
postReplyLines.Lines.ToArray();
throw new FtpException(CmdText, CommandId, replyLines, moreInfo);
}
}
}
return(new FtpResponse(CommandId, CommLog, CmdText, replyLines, rcvdData));
}
public FtpResponse RunListCommand(FtpCommandId CommandId, string CmdText)
{
ReplyLines replyLines = null;
CommLog commLog = new CommLog();
Socket cSocket = null;
List <FtpDirEntry> listDire = null;
try
{
cSocket = CreatePasvDataConnect(commLog);
// Send the FTP command,
replyLines = SendCommand(CommandId, CmdText);
// 550 = directory not found
if (replyLines.IncludesReplyCode(550))
{
throw new FtpException(
"Directory to list is not found.", CommandId, replyLines);
}
// the reply from the list command on the command connection should say
// to look on the passive connection for the directory listing.
var replyLine = replyLines.FindAnyLine(new int[] { 125, 150, 250 });
if (replyLine == null)
{
throw new FtpException(
"not expected response to LIST command", CommandId, replyLines);
}
// receive the directory listing on the passive connection.
string[] rcvdLines = null;
{
Int32 bytes;
char[] seperator = new char[] { '\n' };
StringBuilder sb = new StringBuilder();
while (true)
{
Array.Clear(m_aBuffer, 0, m_aBuffer.Length);
bytes = cSocket.Receive(m_aBuffer, m_aBuffer.Length, 0);
sb.Append(ASCII.GetString(m_aBuffer, 0, bytes));
if (bytes == 0)
{
break;
}
}
rcvdLines = sb.ToString().Split(seperator);
}
// parse the directory listing
if ((CommandId == FtpCommandId.LIST) || (CommandId == FtpCommandId.NLST))
{
listDire = new List <FtpDirEntry>();
foreach (string line in rcvdLines)
{
if (line.Length > 0)
{
var dire = new FtpDirEntry(line);
listDire.Add(dire);
}
}
}
}
finally
{
if (cSocket != null)
{
cSocket.Close();
}
}
// receive back the response on the command connection after dir listing
// sent on the data connection.
{
ReplyLines postReplyLines = ReadReply( );
if (postReplyLines.IncludesReplyCode(550) == true)
{
throw new FtpException(
"Directory to list is not found", CommandId, postReplyLines);
}
else
{
if (postReplyLines.IncludesAnyReplyCode(new int[] { 226, 250 }) == false)
{
string moreInfo =
"Unexpected FTP server reply following " +
"data channel disconnect. " +
postReplyLines.Lines.ToArray();
throw new FtpException(moreInfo, CommandId, replyLines);
}
}
}
return(new FtpResponse_DirList(
CommandId,
commLog, CommandId.ToString(), replyLines, listDire));
}
