private string SerializeMetadata(TransferMetadata metadata)
{
var serializer = new XmlSerializer(typeof(TransferMetadata));
var xmlMetadata = new StringBuilder();
var writer = new StringWriter(xmlMetadata);
serializer.Serialize(writer, metadata);
return(xmlMetadata.ToString());
}
/// <summary>
/// Records a file transfer for future resuming between core restarts.
/// </summary>
/// <param name="file">The file associated with the transfer.</param>
/// <param name="friendNumber">The friend number of the transfer.</param>
/// <param name="fileNumber">The file number of the transfer.</param>
/// <param name="direction">The direction of the transfer.</param>
public void RecordTransfer(StorageFile file, int friendNumber, int fileNumber, TransferDirection direction)
{
// TODO: Maybe we should try to make place for newer items?
if (_futureAccesList.MaximumItemsAllowed == _futureAccesList.Entries.Count)
return;
var metadata = new TransferMetadata
{
FriendNumber = friendNumber,
FileNumber = fileNumber,
FileId = ToxModel.Instance.FileGetId(friendNumber, fileNumber),
TransferredBytes = 0,
Direction = direction
};
var xmlMetadata = SerializeMetadata(metadata);
_futureAccesList.Add(file, xmlMetadata);
}
/// <summary>
/// Records a file transfer for future resuming between core restarts.
/// </summary>
/// <param name="file">The file associated with the transfer.</param>
/// <param name="friendNumber">The friend number of the transfer.</param>
/// <param name="fileNumber">The file number of the transfer.</param>
/// <param name="direction">The direction of the transfer.</param>
public void RecordTransfer(StorageFile file, int friendNumber, int fileNumber, TransferDirection direction)
{
// TODO: Maybe we should try to make place for newer items?
if (_futureAccesList.MaximumItemsAllowed == _futureAccesList.Entries.Count)
{
return;
}
var metadata = new TransferMetadata
{
FriendNumber = friendNumber,
FileNumber = fileNumber,
FileId = _toxModel.FileGetId(friendNumber, fileNumber),
TransferredBytes = 0,
Direction = direction
};
var xmlMetadata = SerializeMetadata(metadata);
_futureAccesList.Add(file, xmlMetadata);
}
/// <summary>
/// Constructs and returns resume data (based on metadata) necessary for a transfer to resume it.
/// </summary>
/// <param name="token">The token of the record in the future access list.</param>
/// <param name="metadata">The metadata of the transfer to get the resume data for.</param>
/// <returns>The resume data.</returns>
private async Task <ResumeData> GetResumeData(string token, TransferMetadata metadata)
{
try
{
var file = await _futureAccesList.GetFileAsync(token);
_futureAccesList.Remove(token);
var resumeData = new ResumeData
{
FriendNumber = metadata.FriendNumber,
File = file,
FileId = metadata.FileId,
TransferredBytes = metadata.TransferredBytes
};
return(resumeData);
}
catch (FileNotFoundException)
{
// If we don't find the file anymore, we really don't need to keep record of it.
_futureAccesList.Remove(token);
}
return(null);
}
private string SerializeMetadata(TransferMetadata metadata)
{
var serializer = new XmlSerializer(typeof (TransferMetadata));
var xmlMetadata = new StringBuilder();
var writer = new StringWriter(xmlMetadata);
serializer.Serialize(writer, metadata);
return xmlMetadata.ToString();
}
/// <summary>
/// Constructs and returns resume data (based on metadata) necessary for a transfer to resume it.
/// </summary>
/// <param name="token">The token of the record in the future access list.</param>
/// <param name="metadata">The metadata of the transfer to get the resume data for.</param>
/// <returns>The resume data.</returns>
private async Task<ResumeData> GetResumeData(string token, TransferMetadata metadata)
{
try
{
var file = await _futureAccesList.GetFileAsync(token);
_futureAccesList.Remove(token);
var resumeData = new ResumeData
{
FriendNumber = metadata.FriendNumber,
File = file,
FileId = metadata.FileId,
TransferredBytes = metadata.TransferredBytes
};
return resumeData;
}
catch (FileNotFoundException)
{
// If we don't find the file anymore, we really don't need to keep record of it.
_futureAccesList.Remove(token);
}
return null;
}
