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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 434 | arune | 1 | using System; |
| 2 | using System.Net; |
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| 3 | using System.Net.Sockets; |
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| 4 | using System.Text; |
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| 5 | using System.Threading; |
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| 6 | using System.Collections; |
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| 7 | using System.IO; |
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| 8 | |||
| 9 | public class TcpServer { |
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| 10 | private TcpListener listener; |
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| 11 | private bool running; |
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| 12 | private int port; |
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| 13 | private ArrayList clients; |
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| 14 | const byte DEBUG_LEVEL = 2; //0, 1, 2, 3 |
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| 436 | arune | 15 | //private ulong connid; |
| 434 | arune | 16 | |
| 17 | public TcpServer(int port) { |
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| 18 | running = true; |
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| 19 | listener = new TcpListener(port); |
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| 20 | listener.Start(); |
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| 21 | this.port = port; |
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| 22 | clients = new ArrayList(); |
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| 436 | arune | 23 | |
| 24 | //connid=0; |
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| 434 | arune | 25 | } |
| 26 | |||
| 27 | public void thread() { |
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| 28 | if (DEBUG_LEVEL>1) { Console.WriteLine("Waiting for clients on port {0}", port); } |
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| 29 | while (running) { |
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| 436 | arune | 30 | Thread.Sleep(10); |
| 31 | foreach (Connection client in clients) { |
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| 32 | //... hämta data från client... |
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| 33 | //om ny data så skicka till alla i clients utom client |
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| 34 | string data; |
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| 35 | bool hasData = client.getData(out data); |
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| 36 | if (hasData) { |
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| 37 | //ulong fromid = client.getId(); |
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| 38 | foreach (Connection sendclient in clients) { |
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| 39 | if (sendclient != client) { |
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| 40 | sendclient.sendDataDummy(data); |
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| 41 | //ulong toid = sendclient.getId(); |
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| 434 | arune | 42 | } |
| 43 | } |
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| 436 | arune | 44 | //Console.WriteLine("fromid: {0}", fromid); |
| 45 | } |
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| 434 | arune | 46 | } |
| 436 | arune | 47 | |
| 48 | foreach (Connection client in clients) { |
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| 49 | if (!client.isConnected()) { |
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| 50 | clients.Remove(client); |
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| 51 | if (DEBUG_LEVEL>1) { Console.WriteLine("Client dropped"); } |
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| 52 | break; |
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| 53 | } |
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| 54 | } |
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| 55 | |||
| 56 | if (running && listener.Pending()) { |
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| 434 | arune | 57 | if (DEBUG_LEVEL>1) { Console.WriteLine("Client connected on port {0}", port); } |
| 58 | TcpClient handler = listener.AcceptTcpClient(); |
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| 436 | arune | 59 | //Connection newconn = new Connection(handler, connid++); |
| 434 | arune | 60 | Connection newconn = new Connection(handler); |
| 61 | clients.Add(newconn); |
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| 62 | Thread t = new Thread(newconn.thread); |
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| 63 | t.Start(); |
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| 64 | //newconn.start(); |
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| 65 | } |
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| 66 | } |
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| 67 | } |
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| 68 | |||
| 69 | public void stop() { |
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| 70 | running = false; |
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| 71 | foreach (Connection client in clients) { |
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| 72 | client.stop(); |
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| 73 | } |
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| 74 | } |
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| 75 | |||
| 76 | public void sendCanPacket(CanPacket cp) { |
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| 77 | foreach (Connection client in clients) { |
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| 78 | client.sendData(cp); |
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| 79 | } |
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| 80 | } |
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| 81 | |||
| 82 | } |
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| 83 | |||
| 84 | class Connection { |
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| 85 | private TcpClient client; |
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| 86 | private NetworkStream ns; |
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| 87 | private bool connected; |
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| 436 | arune | 88 | //ulong id; |
| 434 | arune | 89 | |
| 436 | arune | 90 | private Queue CanPackets = Queue.Synchronized(new Queue()); |
| 434 | arune | 91 | |
| 436 | arune | 92 | //public Connection(TcpClient client, ulong id) { |
| 434 | arune | 93 | public Connection(TcpClient client) { |
| 94 | this.client = client; |
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| 436 | arune | 95 | ns = client.GetStream(); |
| 96 | //this.id = id; |
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| 434 | arune | 97 | } |
| 98 | |||
| 436 | arune | 99 | //public ulong getId() { |
| 100 | // return id; |
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| 101 | //} |
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| 102 | |||
| 434 | arune | 103 | public bool getData (out string data) { |
| 104 | data = null; |
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| 105 | if (CanPackets.Count>0) { |
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| 106 | data = (string)CanPackets.Dequeue(); |
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| 107 | return true; |
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| 108 | } |
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| 109 | return false; |
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| 110 | } |
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| 111 | |||
| 112 | public void thread() { |
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| 113 | //läs och lagra så att en funktion kan läsa från mig |
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| 114 | byte[] data = new byte[1024]; |
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| 115 | int recv; |
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| 116 | connected = true; |
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| 117 | while (connected) { |
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| 118 | Thread.Sleep(20); |
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| 119 | if (ns.DataAvailable) { |
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| 120 | recv = ns.Read(data, 0, data.Length); |
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| 121 | if (recv == 0) |
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| 122 | break; |
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| 123 | |||
| 124 | string tcpdata = Encoding.ASCII.GetString(data, 0, recv); |
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| 125 | //string [] split = null; |
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| 126 | //split = tcpdata.Split(" "); |
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| 127 | |||
| 128 | //if (split.Length ) { |
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| 436 | arune | 129 | //Console.WriteLine("Data arrived on client {0}", id); |
| 434 | arune | 130 | CanPackets.Enqueue(tcpdata); |
| 131 | //} |
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| 132 | //Console.WriteLine(System.Text.Encoding.ASCII.GetString(data)); |
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| 133 | } |
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| 134 | } |
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| 135 | connected = false; |
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| 136 | ns.Close(); |
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| 137 | client.Close(); |
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| 138 | } |
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| 139 | |||
| 140 | public bool isConnected() { |
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| 141 | return connected; |
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| 142 | } |
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| 143 | |||
| 144 | public void stop() { |
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| 145 | connected = false; |
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| 146 | } |
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| 147 | |||
| 148 | public void sendData(CanPacket cp) { |
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| 149 | if (connected) { |
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| 150 | try { |
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| 151 | byte[] data = new byte[1024]; |
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| 152 | |||
| 153 | data = Encoding.ASCII.GetBytes(cp.toRawString()+"\n"); |
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| 154 | ns.Write(data, 0, data.Length); |
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| 155 | } |
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| 156 | catch (Exception) { |
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| 157 | connected = false; |
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| 158 | } |
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| 159 | } |
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| 160 | } |
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| 161 | |||
| 162 | public void sendDataDummy(string senddata) { |
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| 163 | if (connected) { |
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| 164 | try { |
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| 165 | byte[] data = new byte[1024]; |
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| 166 | |||
| 167 | data = Encoding.ASCII.GetBytes(senddata+"\n"); |
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| 168 | ns.Write(data, 0, data.Length); |
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| 169 | } |
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| 170 | catch (Exception) { |
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| 171 | connected = false; |
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| 172 | } |
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| 173 | } |
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| 174 | } |
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| 175 | |||
| 176 | } |