//public static void PrioritizeMultiCastInterface(ref UdpClient udpClient) //{ // //udpClient.Client.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, (int)IPAddress.HostToNetworkOrder(p.Index)); // //udpClient.Client.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, p.Index); //} static void Main(String[] args) { Globals.Initialize(); DownloadMetaData.Initialize(); //receive thread Globals.receiveThread = new Thread(Receive.receive); Globals.receiveThread.Start(); //Sync Nodes SyncNodes.Sync(Globals.nodeId); Thread.Sleep(1000); while (true) { Console.Write("Do you want to download file >> "); string resp = Console.ReadLine(); //yes or no if (resp == "yes") { Console.Write("Enter file URL >> "); string url = Console.ReadLine(); bool iswebsiteSupported = Downloader.Downloader.IsWebsiteSupported(url); Thread.Sleep(1000); if (iswebsiteSupported) { Console.WriteLine("file supported"); SendData.Send(new DataObject("request", url, Globals.nodeId, "")); Tuple <string, IEnumerable <int> > tuple = Downloader.Downloader.GetNameAndPartSizes(url, Globals.numofnodes); DownloadMetaData.AllocateParts(tuple.Item2); DownloadMetaData.ShareParts(); Thread.Sleep(1000); Downloader.Downloader.DownloadFile(url, DownloadMetaData.downloadrange[0].Item1, DownloadMetaData.downloadrange[0].Item2); Console.WriteLine("file downloaded"); Thread.Sleep(1000); Console.WriteLine("starting file sharing"); SendData.Send(new DataObject("datasharing", "", Globals.nodeId, "")); } else { } } else { Console.WriteLine("now handling downloads for others."); break; } } //DataObject dataObject = new DataObject("request", "hello there", Globals.nodeId, ""); //SendData.Send(dataObject); //send thread // while (true) // { // Byte[] data = udpClient.Receive(ref localEndPoint); // String strData = Encoding.Unicode.GetString(data); // Console.WriteLine(strData); // } Globals.receiveThread.Join(); }
public static void ShareParts() { partsandnodes.Add(Tuple.Create(0, Globals.nodeId)); for (int i = 1; i < downloadrange.Count; i++) { string temp = downloadrange[i].Item1 + " " + downloadrange[i].Item2; partsandnodes.Add(Tuple.Create(i, Globals.nodes[i])); DataObject dataObject = new DataObject("partallocation", temp, Globals.nodeId, Globals.nodes[i]); SendData.Send(dataObject); } }
public static void RecognizeNode(DataObject dataObject) { if (!Globals.nodes.Contains(dataObject.sender)) { Globals.nodes.Add(dataObject.sender); Globals.numofnodes += 1; string temp = string.Join(",", Globals.nodes.ToArray()); SendData.Send(new DataObject("syncresponse", temp, Globals.nodeId, dataObject.sender)); Console.WriteLine("send sync response"); } }
public static void FindTokenResponse() { if (tokenHolder == null) { SendData.Send(new DataObject("findtokenresponse", "", Globals.nodeId, "")); } else { SendData.Send(new DataObject("findtokenresponse", tokenHolder, Globals.nodeId, "")); } }
public static void Sync(String nodeId) { Console.WriteLine("sent sync request"); SyncRequest = new DataObject("sync", nodeId, nodeId, ""); SendData.Send(SyncRequest); }
public static void FindTokenHolder() { DataObject dataObject = new DataObject("findtoken", "", Globals.nodeId, ""); SendData.Send(dataObject); }
public static void receive() { while (true) { Byte[] data = Globals.udpClient.Receive(ref Globals.remoteEndPoint); String strData = Globals.encoding.GetString(data); //Console.WriteLine("printed from receive"); //Console.WriteLine(strData); //receive_queue.Enqueue(strData); DataObject JsonData = JsonConvert.DeserializeObject <DataObject>(strData); switch (JsonData.type) { case "sync": Console.WriteLine("sync request received"); SyncNodes.RecognizeNode(JsonData); break; case "syncresponse": Console.WriteLine("sync response"); SyncNodes.HandleSyncResponse(JsonData); break; case "findtoken": SendData.Send(new DataObject("findtokenresponse", LeaderSelection.tokenHolder, "", "")); break; case "findtokenresponse": LeaderSelection.HandleFindTokenResponse(JsonData); break; case "request": Console.WriteLine("file download request received"); DownloadMetaData.Url = JsonData.data; break; case "partallocation": Console.WriteLine("part allocation request received"); if (JsonData.receiver == Globals.nodeId) { Console.WriteLine("downloading file"); DownloadMetaData.StoreRange(JsonData.data); localfilename = Downloader.Downloader.DownloadFile(DownloadMetaData.Url, DownloadMetaData.downloadrange[0].Item1, DownloadMetaData.downloadrange[0].Item2); Console.WriteLine("file downloaded"); } break; case "datasharing": client.Start(); client.Connect(Globals.multicastAddress.ToString(), 2222); listener.NetworkReceiveEvent += (fromPeer, dataReader) => { Console.WriteLine("We got: {0}", dataReader.GetString(100)); dataReader.Clear(); }; Console.WriteLine("data sharing request received"); SendData.Send(new DataObject("filesending", "", Globals.nodeId, JsonData.sender)); Console.WriteLine(localfilename); Globals.udpClient.Client.SendFile(localfilename); break; case "filesending": Byte[] file_data = Globals.udpClient.Receive(ref Globals.remoteEndPoint); var fs = new FileStream("file1.tmp", FileMode.Create, FileAccess.Write); fs.Write(file_data, 0, file_data.Length); break; default: Console.WriteLine("packet of some type else"); break; } } }