| private SCP_SendAck ( Stream server ) : void | ||
| server | Stream | A connected server I/O stream |
| 리턴 | void | |
/// <summary>
/// Opens a <see cref="ScpStream"/> to be used for reading a file from a remote target
/// </summary>
/// <param name="host">The name of the remote target</param>
/// <param name="user">The user to use on the remote target</param>
/// <param name="password">The user's password</param>
/// <param name="filePath">The full path, including the filename, on the remote target to read from</param>
/// <returns>A <see cref="ScpStream"/> that can be used to read a file</returns>
public static ScpStream OpenReadStream(Scp scp, string filePath)
{
Channel channel = null;
Stream server = null;
String filename = null;
scp.m_cancelled = false;
int filesize = 0;
string cmd = null;
scp.Connect();
scp.SCP_ConnectFrom(out channel, out server, filePath, false);
MemoryStream stream = new MemoryStream();
try
{
//scp.SCP_ConnectFrom(out channel, out server, filePath, false);
byte[] buf = new byte[1024];
// send '\0'
scp.SCP_SendAck(server);
int c = scp.SCP_CheckAck(server);
//parse scp commands
while ((c == 'D') || (c == 'C') || (c == 'E'))
{
if (scp.m_cancelled)
{
break;
}
cmd = "" + (char)c;
if (c == 'E')
{
c = scp.SCP_CheckAck(server);
//dir = Path.GetDirectoryName(dir);
if (scp.Verbos)
{
Console.WriteLine("E");
}
//send '\0'
scp.SCP_SendAck(server);
c = (char)scp.SCP_CheckAck(server);
continue;
}
// read '0644 ' or '0755 '
server.Read(buf, 0, 5);
for (int i = 0; i < 5; i++)
{
cmd += (char)buf[i];
}
//reading file size
filesize = 0;
while (true)
{
server.Read(buf, 0, 1);
if (buf[0] == ' ')
{
break;
}
filesize = filesize * 10 + (buf[0] - '0');
}
//reading file name
for (int i = 0; ; i++)
{
server.Read(buf, i, 1);
if (buf[i] == (byte)0x0a)
{
filename = Util.getString(buf, 0, i);
break;
}
}
cmd += " " + filesize + " " + filename;
// send '\0'
scp.SCP_SendAck(server);
//Receive file
if (c == 'C')
{
if (scp.Verbos)
{
Console.WriteLine("Sending file modes: " + cmd);
}
scp.SCP_ReceiveFile(server, stream, filename, null, filesize);
stream.Seek(0, 0);
break;
}
c = scp.SCP_CheckAck(server);
}
}
catch (Exception e)
{
if (scp.Verbos)
{
Console.WriteLine("Error: " + e.Message);
}
try
{
channel.disconnect();
}
catch { }
throw e;
}
return(new ScpStream(channel, stream, false));
}