Ejemplo n.º 1
0
        /// <summary>
        /// Notifies all users that a user pressed the skip button
        /// </summary>
        public void UpdateSkipAudio()
        {
            Dictionary <string, object> data = new Dictionary <string, object>();

            foreach (User user in userList)
            {
                try
                {
                    user.socket.Send(PacketEncoding.EncodeResponsePacket(new packets.ResponsePacket(data, PacketType.skipAudio)));
                }
                catch (Exception error)
                {
                    userList.Remove(user);
                    Console.WriteLine(Server.GetLineAndFile() + error.Message);
                }
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Sends an updated usernames list to all connected users
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void UpdateNicknames(object sender, ListChangedEventArgs e)
        {
            Dictionary <string, object> data = new Dictionary <string, object>()
            {
                { "nicknames", userList.Select(u => u.Nickname).ToList() }
            };

            foreach (User user in userList)
            {
                try
                {
                    user.socket.Send(PacketEncoding.EncodeResponsePacket(new packets.ResponsePacket(data, PacketType.updateNickname)));
                }
                catch (Exception error)
                {
                    userList.Remove(user);
                    Console.WriteLine(Server.GetLineAndFile() + error.Message);
                }
            }
        }
Ejemplo n.º 3
0
        /// <summary>
        /// Sends an updated playlist to all connected users
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void UpdatePlaylist(object sender, ListChangedEventArgs e)
        {
            Dictionary <string, object> data = new Dictionary <string, object>()
            {
                { "playlist", videoQueue }
            };

            // Send new video details to all clients
            foreach (User user in userList)
            {
                try
                {
                    user.socket.Send(PacketEncoding.EncodeResponsePacket(new packets.ResponsePacket(data, PacketType.addToPlaylist)));
                }
                catch (Exception error)
                {
                    userList.Remove(user);
                    Console.WriteLine(Server.GetLineAndFile() + error.Message);
                }
            }
        }
Ejemplo n.º 4
0
        /// <summary>
        /// Runs on a seperate thread and handles client communication.
        /// </summary>
        /// <param name="user">The user this thread handles.</param>
        public static void ClientHandler(User user)
        {
            // Contains the ip, port and other info about the client socket
            IPEndPoint remoteIpEndPoint;

            // Data packet
            byte[] packetBuffer;
            // Packet header byte array
            byte[] packetHeaderBuffer = new byte[5];
            // Length of the next packet
            byte[] packetLengthBuffer = new byte[4];

            // Length of the next packet (int)
            int packetLen;
            // Type of packet
            int packetType;

            // Packet stored in correct object
            Packet         packet;
            ResponsePacket responsePacket;

            remoteIpEndPoint = user.socket.RemoteEndPoint as IPEndPoint;

            Console.WriteLine($"Connection from {remoteIpEndPoint.Address.MapToIPv4()}:{remoteIpEndPoint.Port}");

            while (user.socket.Connected)
            {
                try
                {
                    // If the byte count of the length packet is not 5, ignore this packet
                    if (user.socket.Receive(packetHeaderBuffer) != 5)
                    {
                        continue;
                    }
                }
                catch (SocketException e)
                {
                    user.socket.Close();
                    channel.userList.Remove(user);
                    Console.WriteLine(GetLineAndFile() + ": " + e.Message);
                    continue;
                }



                // If the system architecture is little-endian ( little end first in array )
                // reverse the byte array.
                if (BitConverter.IsLittleEndian)
                {
                    Array.Reverse(packetHeaderBuffer, 0, 4);
                }

                // Get packet len from first 4 bytes of packet header buffer
                packetLen = BitConverter.ToInt32(packetHeaderBuffer, 0);

                // Get packet type from the last byte of the array
                packetType = packetHeaderBuffer[4];

                // Initiate packet byte array with correct size
                packetBuffer = new byte[packetLen];

                // Receive data packet
                user.socket.Receive(packetBuffer);

                packet = PacketEncoding.DecodePacket(packetBuffer, packetType);

                responsePacket = packet.Execute(user);
                if (responsePacket != null)
                {
                    try
                    {
                        user.socket.Send(PacketEncoding.EncodeResponsePacket(responsePacket));
                    }
                    catch (SocketException e)
                    {
                        user.socket.Close();
                        channel.userList.Remove(user);
                        Console.WriteLine(GetLineAndFile() + ": " + e.Message);
                    }
                }
            }
        }