/// <summary>
/// Pushes the inputted chunk to the network, sending it the required amount of peers.
/// </summary>
/// <param name="chunk">The chunk to push to the network</param>
/// <param name="chunkPath">String path to the chunks</param>
/// <param name="numberOfRecevingPeers">The number of peers to send the file to,
/// this will be the amount of receivers, unless the network is smaller than the given input.</param>
/// <param name="receiverOffset">The offset for whom to send the files to, this determines the spacing of the chunks on the peerlist.</param>
/// <returns>Boolean of whether the push was a success.</returns>
public bool Push(P2PChunk chunk, string chunkPath, int numberOfRecevingPeers = 10, int receiverOffset = 0)
{
this._port = _ports.GetAvailablePort();
List <Peer> peers = this.GetPeers();
FileInfo fileInfo = new FileInfo(chunkPath);
Listener listener = new Listener(this._port);
bool sendToAll = true;
int listLength = peers.Count;
int peerCount;
int numberOfReceivers = Math.Min(numberOfRecevingPeers, listLength);
for (peerCount = 0; peerCount < numberOfReceivers; peerCount++)
{
Peer currentPeer = peers[(peerCount + receiverOffset) % listLength];
var upload = new UploadMessage(currentPeer)
{
filesize = fileInfo.Length,
fullFilename = chunk.originalHash,
chunkHash = chunk.hash,
path = chunkPath,
port = this._port
};
if (listener.SendAndAwaitResponse(ref upload, 2000))
{
if (upload.statusCode == StatusCode.ACCEPTED)
{
ChunkSender sender = new ChunkSender(currentPeer.StringIp, upload.port);
if (sender.Send(chunkPath))
{
DiskHelper.ConsoleWrite($"The chunk {chunk.hash} was sent to {currentPeer.GetUuid()}");
chunk.AddPeer(currentPeer.GetUuid());
}
else
{
sendToAll = false;
}
_ports.Release(upload.port);
}
}
}
_ports.Release(this._port);
return(sendToAll);
}
