private void ThrowIfFullDataHashIsWrong(PackageInfoMessage packageInfoMessage, string fullDataStr)
{
var dataHash = HashHelper.GetStringHash(fullDataStr);
if (dataHash != packageInfoMessage.DataHash)
{
throw new Exception($"Received data is incorrect. Hashes differ.");
}
}
private Dictionary <int, string> GetOrAddCurrentlyReceivingDataParts(PackageInfoMessage packageInfoMessage)
{
if (!this._receivedItemsCache.ContainsKey(packageInfoMessage.DataHash))
{
this._receivedItemsCache.Add(packageInfoMessage.DataHash, new Dictionary <int, string>());
}
var dataParts = this._receivedItemsCache[packageInfoMessage.DataHash];
return(dataParts);
}
private void ProcessPackageInfoMessage(PackageInfoMessage packageInfoMessage)
{
if (!this._receivedPackageInfoMessages.ContainsKey(packageInfoMessage.DataHash))
{
this._receivedPackageInfoMessages.Add(packageInfoMessage.ObjectID, packageInfoMessage);
}
this.OnProgressChanged?.Invoke(1);
this.OnReceivingStarted?.Invoke(packageInfoMessage.ObjectID);
this._currentlyReceivingObjectID = packageInfoMessage.ObjectID;
}
private void HandleDataReceived(PackageInfoMessage packageInfoMessage, Dictionary <int, string> dataParts)
{
var fullDataStr = string.Join("", dataParts.ToList().OrderBy(p => p.Key).Select(p => p.Value));
this.ThrowIfFullDataHashIsWrong(packageInfoMessage, fullDataStr);
var fullData = ConvertHelper.GetInitialDataFromZippedDataStr(fullDataStr, packageInfoMessage.DataType);
this.NotifyDataReceived(fullData, packageInfoMessage.DataType);
this.OnReceivingStopped?.Invoke(null);
this._currentlyReceivingObjectID = null;
}
private static string CreatePackageInfoMessage(
string[] dataParts, string dataType, string dataHash, string objectID)
{
var packageInfoMessage = new PackageInfoMessage
{
MsgIntegrity = Constants.PackageInfoMessageIntegrityCheckID,
NumberOfParts = dataParts.Length,
DataType = dataType,
DataHash = dataHash,
ObjectID = objectID,
};
var packageInfoMessageStr = JsonSerializer.Serialize(packageInfoMessage);
return(packageInfoMessageStr);
}
private void NotifyIfNotAllDataPartsReceived(PackageInfoMessage packageInfoMessage, Dictionary <int, string> dataParts)
{
if (dataParts.Count != packageInfoMessage.NumberOfParts)
{
var idsNotReceived = new List <string>();
for (int i = 0; i < packageInfoMessage.NumberOfParts; i++)
{
if (!dataParts.ContainsKey(i))
{
idsNotReceived.Add(i.ToString());
}
}
var missingPartsCount = packageInfoMessage.NumberOfParts - dataParts.Count;
this.OnNotification?.Invoke(
$"Data was not fully received.\n" +
$"{dataParts.Count} out of {packageInfoMessage.NumberOfParts} parts received.\n" +
$"{missingPartsCount} parts missing.\n" +
$"Missing IDs list:\n" +
string.Join(" ", idsNotReceived)
);
}
}