/// <summary>
/// Send init data to client
/// </summary>
/// <param name="client">Client</param>
/// <param name="port">Client port</param>
/// <param name="src">Code to send</param>
public static void initClient(Client client,int port, string src)
{
/*Send initilisation packet*/
if (!client.initialised)
{
/*Connect to client*/
Sender s = new Sender(client.ip, Convert.ToInt32(port));
/*Create init packet*/
DataInitClient dic = new DataInitClient(src);
byte[] dicData = dic.ToByte();
/*Create packet info data*/
PacketInfo packetInfo = new PacketInfo(Command.ClientInit,0,"", dicData.Length,0,0);
byte[] packetInfoData = packetInfo.ToByte();
/*Assembly the packets*/
List<byte[]> listPacket = new List<byte[]>();
listPacket.Add(packetInfoData);
listPacket.Add(dicData);
/*Send all packet*/
byte[] dataToSend = PacketAssembler.Assemble(listPacket);
s.send(dataToSend);
}
}
/// <summary>
/// Send init data to client
/// </summary>
/// <param name="client">Client</param>
/// <param name="port">Client port</param>
/// <param name="src">Code to send</param>
public static void initClient(Client client, int port, string src)
{
/*Send initilisation packet*/
if (!client.initialised)
{
/*Connect to client*/
Sender s = new Sender(client.ip, Convert.ToInt32(port));
/*Create init packet*/
DataInitClient dic = new DataInitClient(src);
byte[] dicData = dic.ToByte();
/*Create packet info data*/
PacketInfo packetInfo = new PacketInfo(Command.ClientInit, 0, "", dicData.Length, 0, 0);
byte[] packetInfoData = packetInfo.ToByte();
/*Assembly the packets*/
List <byte[]> listPacket = new List <byte[]>();
listPacket.Add(packetInfoData);
listPacket.Add(dicData);
/*Send all packet*/
byte[] dataToSend = PacketAssembler.Assemble(listPacket);
s.send(dataToSend);
}
}
/// <summary>
/// Send a broadcast
/// </summary>
/// <param name="ip">IP of server</param>
private void sendBroadcast(string ip)
{
/*Send clients the server is alive*/
int packetInfoLenght = 28;
PacketInfo packetInfo = new PacketInfo(Command.Alive, 0, ip, packetInfoLenght, 0, 0);
BroadcastSender.sendBroadcast(packetInfo.ToByte(), sendBroadcastPort);
}
/// <summary>
/// Disassemble a byte array on a list of DataReceived
/// </summary>
/// <param name="data">Data to disassemble</param>
/// <returns></returns>
public static List <DataReceived> Disassemble(byte[] data)
{
byte[] hash = SHAHash.calculate(1687933897132637812);
List <byte> listByte = data.ToList();
List <DataReceived> listDataReveived = new List <DataReceived>();
Command cmd;
int noPacket;
string ipAddress;
int sizeData;
int currentPosition = 0;
int previousPosition = 0;
/*Read each packet into data array*/
while (currentPosition + SIZEPACKETINFO <= data.Length)
{
previousPosition = currentPosition;
/*Test if next data is a real data*/
/*Get packet info*/
PacketInfo packetInfo = new PacketInfo(data, previousPosition);
cmd = packetInfo.cmd;
if (SHAHash.verifiy(packetInfo.Hash, hash) && (cmd == Command.Init || cmd == Command.Result || cmd == Command.State || cmd == Command.Initialized || cmd == Command.CorrectIP || cmd == Command.AliveClient || cmd == Command.Interval)) //Correct command?
{
noPacket = packetInfo.noPacket;
ipAddress = packetInfo.ipAddress;
/*Get size of packet data*/
sizeData = packetInfo.dataLength;
/*First data position*/
currentPosition += SIZEPACKETINFO + ipAddress.Length + packetInfo.Hash.Length;
List <byte> tempListByte = new List <byte>();
int i = currentPosition;
/*Get data from previous position to the current position and data lenght*/
for (; i < (currentPosition + sizeData); i++)
{
tempListByte.Add(listByte[i]);
}
currentPosition = i;
DataReceived dataReceived;
if (cmd == Command.Result || cmd == Command.AliveClient) //Add time
{
dataReceived = new DataReceived(cmd, noPacket, packetInfo.secondSince1970, packetInfo.issueNumber, ipAddress, tempListByte.ToArray());
}
else
{
dataReceived = new DataReceived(cmd, noPacket, 0, packetInfo.issueNumber, ipAddress, tempListByte.ToArray());
}
listDataReveived.Add(dataReceived);
}
else
{
break;
}
}
return(listDataReveived);
}
/// <summary>
/// Disassemble a byte array on a list of DataReceived
/// </summary>
/// <param name="data">Data to disassemble</param>
/// <returns></returns>
public static List<DataReceived> Disassemble(byte[] data)
{
byte[] hash = SHAHash.calculate(1687933897132637812);
List<byte> listByte = data.ToList();
List<DataReceived> listDataReveived = new List<DataReceived>();
Command cmd;
int noPacket;
string ipAddress;
int sizeData;
int currentPosition = 0;
int previousPosition = 0;
/*Read each packet into data array*/
while (currentPosition + SIZEPACKETINFO <= data.Length)
{
previousPosition = currentPosition;
/*Test if next data is a real data*/
/*Get packet info*/
PacketInfo packetInfo = new PacketInfo(data, previousPosition);
cmd = packetInfo.cmd;
if (SHAHash.verifiy(packetInfo.Hash,hash) && (cmd == Command.Init || cmd == Command.Result || cmd == Command.State || cmd == Command.Initialized || cmd == Command.CorrectIP || cmd == Command.AliveClient || cmd==Command.Interval)) //Correct command?
{
noPacket = packetInfo.noPacket;
ipAddress = packetInfo.ipAddress;
/*Get size of packet data*/
sizeData = packetInfo.dataLength;
/*First data position*/
currentPosition += SIZEPACKETINFO + ipAddress.Length + packetInfo.Hash.Length;
List<byte> tempListByte = new List<byte>();
int i = currentPosition;
/*Get data from previous position to the current position and data lenght*/
for (; i < (currentPosition + sizeData); i++)
{
tempListByte.Add(listByte[i]);
}
currentPosition = i;
DataReceived dataReceived;
if(cmd == Command.Result || cmd == Command.AliveClient) //Add time
dataReceived = new DataReceived(cmd, noPacket,packetInfo.secondSince1970,packetInfo.issueNumber, ipAddress, tempListByte.ToArray());
else
dataReceived = new DataReceived(cmd, noPacket,0, packetInfo.issueNumber,ipAddress, tempListByte.ToArray());
listDataReveived.Add(dataReceived);
}
else
break;
}
return listDataReveived;
}
/// <summary>
/// Send a work to a client
/// </summary>
/// <param name="listClient">List of clients</param>
/// <param name="listPacketSended">Packet already sended</param>
/// <param name="ipAddress">Ip address of a client</param>
/// <param name="port">Port of a client</param>
/// <param name="nbrPackets">Number packet to send</param>
/// <param name="issueNumber">Issu number</param>
public void sendWork(ref SortedList <string, Client> listClient, ref SortedList <int, PacketInfo> listPacketSended, string ipAddress, int port, int nbrPackets, int issueNumber)
{
List <byte[]> listWorksToSend = new List <byte[]>();
/*Connect to client*/
Sender s = new Sender(ipAddress, Convert.ToInt32(port));
SortedList <int, byte[]> tempListTasks = new SortedList <int, byte[]>(tasks);
for (int i = 0; i < nbrPackets; i++)
{
if (tempListTasks.Count > 0) //More tasks?
{
int firstKey = tempListTasks.Keys[0];
byte[] data = tempListTasks[firstKey];
tempListTasks.Remove(firstKey); //remove temporary data, if the sender doesn't work
/*Add info of data*/
PacketInfo packetInfo = new PacketInfo(Command.Work, firstKey, "", data.Length, SecondSince1970.Get(), issueNumber);
if (!listPacketSended.ContainsKey(firstKey))
{
listPacketSended.Add(firstKey, packetInfo);
}
listWorksToSend.Add(packetInfo.ToByte());
/*Add data*/
listWorksToSend.Add(data);
listClient[ipAddress].currentWork.Add(firstKey); //Add to current client work
}
else
{
break;
}
}
/*Assembly the packets*/
byte[] dataToSend = PacketAssembler.Assemble(listWorksToSend);
/*Send data to client*/
s.send(dataToSend);
int nbrPaquetsToRemove = nbrPackets;
if (nbrPackets > tasks.Count) //More packet to remove than number of task?
{
nbrPaquetsToRemove = tasks.Count;
}
for (int i = 0; i < nbrPaquetsToRemove; i++) //Remove real data
{
tasks.RemoveAt(0);
}
}
/// <summary>
/// Test own IP addresses on own computer
/// </summary>
/// <param name="port">Port to send</param>
/// <returns>Finish?</returns>
public bool GetIPAddress(int port)
{
List<IPAddressInformation> listInfo = new List<IPAddressInformation>();
foreach (NetworkInterface netif in NetworkInterface.GetAllNetworkInterfaces()) //Each network interface
{
IPInterfaceProperties properties = netif.GetIPProperties();
foreach (IPAddressInformation unicast in properties.UnicastAddresses) //Each ip adress
{
if (unicast.Address != IPAddress.Loopback) //No local host
{
Sender sender = new Sender(unicast.Address.ToString(), port); //Start tcp sender
PacketInfo packetInfo = new PacketInfo(Command.CorrectIP, 0, "",0,0,0);
sender.send(packetInfo.ToByte()); //Send own
}
}
}
Thread.Sleep(100);
return true;
}
/// <summary>
/// Test own IP addresses on own computer
/// </summary>
/// <param name="port">Port to send</param>
/// <returns>Finish?</returns>
public bool GetIPAddress(int port)
{
List <IPAddressInformation> listInfo = new List <IPAddressInformation>();
foreach (NetworkInterface netif in NetworkInterface.GetAllNetworkInterfaces()) //Each network interface
{
IPInterfaceProperties properties = netif.GetIPProperties();
foreach (IPAddressInformation unicast in properties.UnicastAddresses) //Each ip adress
{
if (unicast.Address != IPAddress.Loopback) //No local host
{
Sender sender = new Sender(unicast.Address.ToString(), port); //Start tcp sender
PacketInfo packetInfo = new PacketInfo(Command.CorrectIP, 0, "", 0, 0, 0);
sender.send(packetInfo.ToByte()); //Send own
}
}
}
Thread.Sleep(100);
return(true);
}
/// <summary>
/// Send a work to a client
/// </summary>
/// <param name="listClient">List of clients</param>
/// <param name="listPacketSended">Packet already sended</param>
/// <param name="ipAddress">Ip address of a client</param>
/// <param name="port">Port of a client</param>
/// <param name="nbrPackets">Number packet to send</param>
/// <param name="issueNumber">Issu number</param>
public void sendWork(ref SortedList<string, Client> listClient, ref SortedList<int, PacketInfo>listPacketSended, string ipAddress, int port, int nbrPackets,int issueNumber)
{
List<byte[]> listWorksToSend = new List<byte[]>();
/*Connect to client*/
Sender s = new Sender(ipAddress, Convert.ToInt32(port));
SortedList<int,byte[]> tempListTasks = new SortedList<int,byte[]>(tasks);
for (int i = 0; i < nbrPackets; i++)
{
if (tempListTasks.Count > 0) //More tasks?
{
int firstKey = tempListTasks.Keys[0];
byte[] data = tempListTasks[firstKey];
tempListTasks.Remove(firstKey); //remove temporary data, if the sender doesn't work
/*Add info of data*/
PacketInfo packetInfo = new PacketInfo(Command.Work, firstKey, "", data.Length, SecondSince1970.Get(),issueNumber);
if(!listPacketSended.ContainsKey(firstKey))
listPacketSended.Add(firstKey, packetInfo);
listWorksToSend.Add(packetInfo.ToByte());
/*Add data*/
listWorksToSend.Add(data);
listClient[ipAddress].currentWork.Add(firstKey); //Add to current client work
}
else
break;
}
/*Assembly the packets*/
byte[] dataToSend = PacketAssembler.Assemble(listWorksToSend);
/*Send data to client*/
s.send(dataToSend);
int nbrPaquetsToRemove = nbrPackets;
if (nbrPackets > tasks.Count) //More packet to remove than number of task?
nbrPaquetsToRemove = tasks.Count;
for (int i = 0; i < nbrPaquetsToRemove; i++) //Remove real data
{
tasks.RemoveAt(0);
}
}
/// <summary>
/// Send a broadcast
/// </summary>
/// <param name="ip">IP of server</param>
private void sendBroadcast(string ip)
{
/*Send clients the server is alive*/
int packetInfoLenght = 28;
PacketInfo packetInfo = new PacketInfo(Command.Alive, 0, ip, packetInfoLenght, 0, 0);
BroadcastSender.sendBroadcast(packetInfo.ToByte(), sendBroadcastPort);
}
