/// <summary> Downloads file from host using StreamChannel</summary>
/// <param name="Filename">Specifies the filename to download</param>
public void DownloadFile(string Filename,
FileTransferMessage.FileType Type, string ChannelName)
{
if (StreamingChannels[ChannelName] == null)
{
Console.Write("\n Unable to find the specified channel \"{0}\"", ChannelName);
return;
}
string rfilename;
switch (Type)
{
case FileTransferMessage.FileType.Library:
rfilename = Path.Combine(FilesPath, Filename);
break;
case FileTransferMessage.FileType.Result:
rfilename = Path.Combine(ResultsPath, Filename);
break;
default:
return;
}
try {
Stream strm = StreamingChannels[ChannelName].DownloadFile(Filename, Type);
int BlockSize = 1024; byte[] block = new byte[BlockSize];
// Make sure directories to save the downloaded file exist
if (!Directory.Exists(FilesPath))
{
Directory.CreateDirectory(FilesPath);
}
if (!Directory.Exists(ResultsPath))
{
Directory.CreateDirectory(ResultsPath);
}
using (var outputStream = new FileStream(rfilename, FileMode.Create)) {
while (true)
{
int bytesRead = strm.Read(block, 0, BlockSize);
if (bytesRead > 0)
{
outputStream.Write(block, 0, bytesRead);
}
else
{
break;
}
}
}
Console.Write("\n Received file \"{0}\"", Filename);
} catch (Exception) {
Console.Write("\n Failed to get file \"{0}\" from server", Filename);
}
}
// streaming service methods region
#region
/// <summary> Sends file to host using StreamChannel</summary>
/// <param name="FilePath">Specifies the path of the file to send</param>
public void UploadFile(string FilePath, FileTransferMessage.FileType Type
, string ChannelName)
{
if (StreamingChannels[ChannelName] == null)
{
Console.Write("\n Unable to find the specifies channel \"{0}\"", ChannelName);
return;
}
string Filename = Path.GetFileName(FilePath);
using (var inputStream = new FileStream(FilePath, FileMode.Open)) {
// Prepare file streaming message
FileTransferMessage msg = new FileTransferMessage();
msg.Type = Type;
msg.Filename = Filename;
msg.TransferStream = inputStream;
// Send the message
StreamingChannels[ChannelName].UploadFile(msg);
}
}
public Stream DownloadFile(string Filename, FileTransferMessage.FileType Type)
{
string sfilename;
switch (Type)
{
case FileTransferMessage.FileType.Library:
sfilename = Path.Combine(FilesPath, Filename);
break;
case FileTransferMessage.FileType.Result:
sfilename = Path.Combine(ResultsPath, Filename);
break;
case FileTransferMessage.FileType.ConnectionTest:
sfilename = Path.Combine(Directory.GetCurrentDirectory(), Filename);
break;
default:
return(null);
}
FileStream outStream = null;
if (File.Exists(sfilename))
{
Console.Write("\n Sending File \"{0}\" ... ", Filename);
try {
outStream = new FileStream(sfilename, FileMode.Open);
} catch (Exception ex) {
Console.Write("Failed\n\tDetails: {0}\n", ex.Message);
}
}
else
{
Console.Write("\n Cannot find file \"{0}\" in \"{1}\"", Filename, Directory.GetParent(sfilename));
throw new FileNotFoundException("Failed to find \"" + Filename + "\"");
}
return(outStream);
}
