public void Execute(DownloadCommand command)
{
if (Connection == null)
{
Console.WriteLine("There is no connection to server!");
return;
}
var localFileName = $"Resources{Path.DirectorySeparatorChar}{command.FileName}";
var fileInfo = new FileInfo(localFileName);
var fileLength = fileInfo.Exists ? fileInfo.Length : 0;
var message = new FileInfoCommand()
{
CommandType = CommandType.DownloadFileRequest,
ClientId = ClientId,
FileName = command.FileName,
IsExist = fileInfo.Exists,
Size = fileLength
};
Connection.Send(message);
var serverFileInfoResponse = Connection.Receive().Deserialize <FileInfoCommand>();
if (serverFileInfoResponse.FileName == null)
{
Console.WriteLine("File not found!");
return;
}
var stopwatch = new Stopwatch();
stopwatch.Restart();
Connection.Send(serverFileInfoResponse);
var bytesReceived = 0;
using (var fileStream = File.OpenWrite(localFileName))
using (var binaryWriter = new BinaryWriter(fileStream))
{
binaryWriter.BaseStream.Seek(0, SeekOrigin.End);
while (bytesReceived < serverFileInfoResponse.Size - fileLength)
{
var filePart = Connection.Receive();
binaryWriter.Write(filePart);
binaryWriter.Flush();
bytesReceived += filePart.Length;
}
}
stopwatch.Stop();
Console.WriteLine($"File successfully downloaded! " +
$"Average upload speed is {((double)bytesReceived / (1024 * 1024)) / (((double)stopwatch.ElapsedMilliseconds + 1) / 1000)} Mbps.");
}
public void Visit(FileInfoCommand command)
{
Visit((ICommand)command);
if (Root.TryFindNode(command.Id, out var node) &&
node is File file)
{
Message = $"ID={file.Id} Name={file.Name} Size={file.Size}";
}
else
{
OnFileDoesNotExist(command.Id);
}
}
public async Task Handle(Command command)
{
var fileCommand = command as FileInfoCommand;
if (!Directory.Exists($"Resources{Path.DirectorySeparatorChar}{fileCommand.ClientId}"))
{
Directory.CreateDirectory($"Resources{Path.DirectorySeparatorChar}{fileCommand.ClientId}");
}
var localFileName = $"Resources{Path.DirectorySeparatorChar}{fileCommand.ClientId}{Path.DirectorySeparatorChar}{fileCommand.FileName}";
var fileInfo = new FileInfo(localFileName);
var fileLength = fileInfo.Exists ? fileInfo.Length : 0;
var serverFileInfoResponse = new FileInfoCommand()
{
CommandType = CommandType.UploadFileResponse,
FileName = fileCommand.FileName,
IsExist = fileInfo.Exists,
Size = fileLength
};
await _transportHandler.Send(serverFileInfoResponse.Serialize());
await using (var fileStream = File.OpenWrite(localFileName))
await using (var binaryWriter = new BinaryWriter(fileStream))
{
binaryWriter.BaseStream.Seek(0, SeekOrigin.End);
var bytesReceived = 0;
while (bytesReceived < fileCommand.Size - fileLength)
{
var filePart = await _transportHandler.Receive();
binaryWriter.Write(filePart);
binaryWriter.Flush();
bytesReceived += filePart.Length;
}
}
var response = new Command()
{
CommandType = CommandType.UploadFileResponse
};
await _transportHandler.Send(response.Serialize());
}
public void Execute(UploadCommand command)
{
if (Connection == null)
{
Console.WriteLine("There is no connection to server!");
return;
}
var localFileName = $"Resources{Path.DirectorySeparatorChar}{command.FileName}";
var fileInfo = new FileInfo(localFileName);
if (!File.Exists(localFileName))
{
Console.WriteLine("File not found!");
return;
}
var message = new FileInfoCommand()
{
CommandType = CommandType.UploadFileRequest,
ClientId = ClientId,
FileName = command.FileName,
Size = fileInfo.Length,
IsExist = true
};
Connection.Send(message);
var serverFileInfoResponse = Connection.Receive().Deserialize <FileInfoCommand>();
var bytes = File.ReadAllBytes(localFileName).Skip((int)serverFileInfoResponse.Size).ToArray();
var stopwatch = new Stopwatch();
stopwatch.Restart();
Connection.Send(bytes);
Connection.Receive().Deserialize <Commands.Command>();
stopwatch.Stop();
Console.WriteLine($"File uploaded successfully! " +
$"Average upload speed is {((double)bytes.Length / (1024 * 1024)) / (((double)stopwatch.ElapsedMilliseconds + 1) / 1000)} Mbps.");
}
public async Task Handle(Command command)
{
var fileCommand = command as FileInfoCommand;
var serverRootFileName = $"Resources{Path.DirectorySeparatorChar}{fileCommand.FileName}";
if (!Directory.Exists($"Resources{Path.DirectorySeparatorChar}{fileCommand.ClientId}"))
{
Directory.CreateDirectory($"Resources{Path.DirectorySeparatorChar}{command.ClientId}");
}
var userFolderFileName = $"Resources{Path.DirectorySeparatorChar}{fileCommand.ClientId}{Path.DirectorySeparatorChar}{fileCommand.FileName}";
var localFileName = File.Exists(userFolderFileName) ? userFolderFileName : serverRootFileName;
if (!File.Exists(localFileName))
{
var fileNotFoundResponse = new FileInfoCommand()
{
CommandType = CommandType.DownloadFileResponse
};
await _transportHandler.Send(fileNotFoundResponse.Serialize());
return;
}
var fileInfo = new FileInfo(localFileName);
var response = new FileInfoCommand()
{
CommandType = CommandType.DownloadFileResponse,
FileName = fileCommand.FileName,
IsExist = fileInfo.Exists,
Size = fileInfo.Length
};
await _transportHandler.Send(response.Serialize());
(await _transportHandler.Receive()).Deserialize <FileInfoCommand>();
var bytes = File.ReadAllBytes(localFileName).Skip((int)fileCommand.Size).ToArray();
await _transportHandler.Send(bytes);
}
public void Visit(FileInfoCommand command)
{
}
