public void StartServer()
{
if (modeNetwork == Mode.indeterminately)
{
try
{
_listener = new TcpListener(IPAddress.Any, 15000);
_listener.Start();
_listener.BeginAcceptTcpClient(AcceptCallback, _listener);
modeNetwork = Mode.Host;
string host = Dns.GetHostName();
IPAddress ip = Dns.GetHostByName(host).AddressList[0].MapToIPv4();
globalState = $"Хост запущен. IP-адрес сервера: {ip.ToString()}";
SendText.BeginInvoke(globalState, null, null);
}
catch (Exception e)
{
_listener = null;
globalState = e.Message;
SendText.BeginInvoke(globalState, null, null);
}
}
else
{
globalState = "Хост уже запущен";
}
}
public void ConnectClient(string ipserver, string mode)
{
if (modeNetwork == Mode.indeterminately)
{
_node = new NodeData();
_node.newNode.BeginConnect(IPAddress.Parse(ipserver), 15000, new AsyncCallback(ConnectCallback), _node);
if (mode == "node")
{
modeNetwork = Mode.Node;
_node.typeNode = NodeData.TypeNode.NODE;
}
else
{
modeNetwork = Mode.Client;
_node.typeNode = NodeData.TypeNode.CLIENT;
}
SendText.BeginInvoke("Попытка подключения...", null, null);
}
else
{
globalState = "Ошибка при подключении";
SendText.BeginInvoke(globalState, null, null);
}
}
public void SendData()
{
MessageData si = new MessageData();
if (modeNetwork == Mode.Node)
{
si.text = "nd_res";
}
if (String.IsNullOrEmpty(si.text) == true && String.IsNullOrEmpty(SendFileName) == true)
{
return;
}
if (SendFileName != null)
{
FileInfo fi = new FileInfo(SendFileName);
if (fi.Exists == true)
{
si.fileSize = (int)fi.Length;
si.fileName = fi.Name;
if (modeNetwork == Mode.Host || modeNetwork == Mode.Client)
{
if (fi.Extension == ".xml")
{
si.type = MessageData.TypeData.DATA;
}
if (fi.Extension == ".exe")
{
si.type = MessageData.TypeData.CODE;
}
}
}
fi = null;
}
MemoryStream ms = new MemoryStream();
XmlSerializer formatter = new XmlSerializer(typeof(MessageData));
formatter.Serialize(ms, si);
ms.Position = 0;
byte[] infobuffer = new byte[ms.Length];
int r = ms.Read(infobuffer, 0, infobuffer.Length);
ms.Close();
byte[] header = GetHeader(infobuffer.Length);
byte[] total = new byte[header.Length + infobuffer.Length + si.fileSize];
Buffer.BlockCopy(header, 0, total, 0, header.Length);
Buffer.BlockCopy(infobuffer, 0, total, header.Length, infobuffer.Length);
if (si.fileSize > 0)
{
FileStream fs = new FileStream(SendFileName, FileMode.Open, FileAccess.Read);
fs.Read(total, header.Length + infobuffer.Length, si.fileSize);
fs.Close();
fs = null;
}
NetworkStream ns = _node.newNode.GetStream();
if (modeNetwork == Mode.Host)
{
if (isFinal)
{
ns = _client.newNode.GetStream();
}
else
{
if (Global.nodes[count].countFiles != 2)
{
ns = Global.nodes[count].newNode.GetStream();
Global.nodes[count].countFiles++;
}
else
{
count++;
ns = Global.nodes[count].newNode.GetStream();
Global.nodes[count].countFiles++;
}
}
}
ns.Write(total, 0, total.Length);
if (modeNetwork == Mode.Host)
{
if (Global.nodes.IndexOf(Global.nodes.Find(x => x.countFiles == 2)) != -1)
{
Global.nodes[Global.nodes.IndexOf(Global.nodes.Find(x => x.countFiles == 2))].isBusy = true;
}
}
header = null;
infobuffer = null;
total = null;
SendFileName = null;
GC.Collect();
GC.WaitForPendingFinalizers();
SendText.BeginInvoke("Данные отправлены", null, null);
Global.flag = false;
}
