public static int Upload(string path, bool overwrite, long port = 0)
{
// if the path to receive the file doesn't exist, try to create it.
if (!Directory.Exists(path))
{
try {
Directory.CreateDirectory(path);
}
catch (Exception)
{
throw new IOException($"Can't create receive directory {path}. " +
"There was either a permission problem, or the path is invalid."
);
}
}
if (!ReadWriteChecks.CheckWriteToDir(path))
{
throw new IOException($"Can't write to {path}, there was either a permission problem or the path doesn't exist.");
}
TcpListener server = new TcpListener(IPAddress.Any, (int)port);
// if a port is specified, use SO_REUSEADDR on the socket
if (port != 0)
{
server.Server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
}
server.Start(1);
Task.Run(() => HelperFunctions.LargeFileTransfers.Upload(path, server, overwrite));
return(((IPEndPoint)server.LocalEndpoint).Port);
}
public static long[] Download(string path, long port = 0)
{
if (!ReadWriteChecks.CheckReadFromFileOrDir(path))
{
throw new IOException($"Can't read from {path}, there was either a permission problem, or the path doesn't exist.");
}
TcpListener server = new TcpListener(IPAddress.Any, (int)port);
// if a port is specified, use SO_REUSEADDR on the socket
if (port != 0)
{
server.Server.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
}
server.Start(1);
// get length of all files in the directory we're about to download
// (total directory size)
long size = 0;
if (path.Contains("*") || path.Contains("?"))
{
// we're handling a glob expression
size = SimpleDUTCommonLibrary.GlobFunctions.Glob(path)
.Where(x => !File.GetAttributes(x).HasFlag(FileAttributes.Directory))
.Select(x => (new FileInfo(x)).Length)
.Sum();
}
else if (File.GetAttributes(path).HasFlag(FileAttributes.Directory))
{
size = Directory.GetFiles(path, "*", SearchOption.AllDirectories)
.Aggregate <string, long>(0, (acc, current) => acc + (new FileInfo(current)).Length);
}
else
{
size = (new FileInfo(path)).Length;
}
Task.Run(() => HelperFunctions.LargeFileTransfers.Download(path, server));
return(new long[] { ((IPEndPoint)server.LocalEndpoint).Port, size });
}