public static void SendFileWithStream(long fileSize, string path, StreamCommunication streamCommunication)
{
long fileParts = ProtocolHelpers.CalculateFileParts(fileSize);
long offset = 0;
long currentPart = 1;
while (fileSize > offset)
{
byte[] data;
if (currentPart == fileParts)
{
var lastPartSize = (int)(fileSize - offset);
data = FileStreamHandler.Read(path, offset, lastPartSize);
offset += lastPartSize;
}
else
{
data = FileStreamHandler.Read(path, offset, ProtocolConstants.MaxPacketSize);
offset += ProtocolConstants.MaxPacketSize;
}
streamCommunication.Write(data);
currentPart++;
}
}
public static void SendCommentData(StreamCommunication streamCommunication, Comment comment)
{
var nameData = ConversionHandler.ConvertStringToBytes(comment.Commentator.Name, User.UserNameLength);
var emailData = ConversionHandler.ConvertStringToBytes(comment.Commentator.Email, User.UserEmailLength);
var commentData = ConversionHandler.ConvertStringToBytes(comment.Message, Comment.CommentLength);
streamCommunication.Write(nameData);
streamCommunication.Write(emailData);
streamCommunication.Write(commentData);
}
public static void SendUserData(StreamCommunication streamCommunication, User user)
{
var nameData = ConversionHandler.ConvertStringToBytes(user.Name, User.UserNameLength);
var emailData = ConversionHandler.ConvertStringToBytes(user.Email, User.UserEmailLength);
var lastConnectionData = ConversionHandler.ConvertLongToBytes(user.LastConnection.ToBinary());
streamCommunication.Write(nameData);
streamCommunication.Write(emailData);
streamCommunication.Write(lastConnectionData);
}
public static async Task <MessageResponse> RecieveMessageCommand(StreamCommunication streamCommunication)
{
var response = ConversionHandler.ConvertBytesToShort(await streamCommunication.ReadAsync(ProtocolConstants.ShortTypeLength));
var responseCommand = ConversionHandler.ConvertBytesToShort(await streamCommunication.ReadAsync(ProtocolConstants.ShortTypeLength));
var responseMessage = ConversionHandler.ConvertBytesToString(await streamCommunication.ReadAsync(ProtocolConstants.ResponseMessageLength));
return(new MessageResponse()
{
Message = responseMessage,
responseCommands = (ProtocolConstants.ResponseCommands)responseCommand
});
}
public static void SendPhotoData(StreamCommunication streamCommunication, Photo photo)
{
var email = ConversionHandler.ConvertStringToBytes(photo.User.Email, User.UserEmailLength);
var photoId = ConversionHandler.ConvertLongToBytes(photo.Id);
var nameData = ConversionHandler.ConvertStringToBytes(photo.Name, Photo.PhotoNameLength);
var extData = ConversionHandler.ConvertStringToBytes(photo.Extension, Photo.PhotoExtensionLength);
var sizeData = ConversionHandler.ConvertLongToBytes(photo.FileSize);
streamCommunication.Write(email);
streamCommunication.Write(photoId);
streamCommunication.Write(nameData);
streamCommunication.Write(extData);
streamCommunication.Write(sizeData);
}
public static async Task ReceiveFileWithStreams(long fileSize, string fileName, StreamCommunication streamCommunication)
{
long fileParts = ProtocolHelpers.CalculateFileParts(fileSize);
long offset = 0;
long currentPart = 1;
while (fileSize > offset)
{
byte[] data;
if (currentPart == fileParts)
{
var lastPartSize = (int)(fileSize - offset);
data = await streamCommunication.ReadAsync(lastPartSize);
offset += lastPartSize;
}
else
{
data = await streamCommunication.ReadAsync(ProtocolConstants.MaxPacketSize);
offset += ProtocolConstants.MaxPacketSize;
}
FileStreamHandler.Write(fileName, data);
currentPart++;
}
}
public static void SendRequestCommand(ProtocolConstants.RequestCommands command, StreamCommunication streamCommunication)
{
var requestData = ConversionHandler.ConvertCommandToByte(ProtocolConstants.Commands.REQUEST);
var commandData = ConversionHandler.ConvertRequestCommandToByte(command);
streamCommunication.Write(requestData);
streamCommunication.Write(commandData);
}
