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1 module dreactor.protocol.Raw;
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2
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3 import tango.io.Conduit;
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4 import tango.io.selector.model.ISelector;
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5 import dreactor.core.AsyncConduit;
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6 import dreactor.core.SelectLoop;
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7 import dreactor.core.ConnectionHandler;
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8 import tango.util.collection.CircularSeq;
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9 import tango.util.log.Log;
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10 import tango.util.log.Configurator;
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11
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12 Logger log = Log.getLogger("dreactor.core.SelectLoop");
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13
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14 /******************************************************************************
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15
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16 Basic TCP server or client routines for sending raw data.
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17
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18 ******************************************************************************/
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19 class RawListener
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20 {
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21 public
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22
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23 this(ConnectionHandler mgr, SelectLoop sel)
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24 {
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25 manager = mgr;
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26 mgr.events(Event.Read);
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27 sel.addConnection(mgr);
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28 select = sel;
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29 children = CircularSeq!(ConnectionHandler);
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30 Configurator();
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31 }
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32
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33 int accept(Conduit cond)
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34 {
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35 AsyncConduit newcond = new AsyncConduit;
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36 cond.socket().accept(newcond.socket);
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37 ConnectionHandler h = ConnectionHandler.New(manager);
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38 mgr.events(Event.Read);
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39 select.addConnection(mgr);
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40 children.append(mgr);
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41 }
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42
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43 bool broadcast(char[] outbuf)
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44 {
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45 foreach(ConnectionHandler h; children)
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46 {
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47 if (h.appendBuffer(outbuf))
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48 {
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49 h.addEvent(Event.Write);
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50 select.addConnection(h);
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51 }
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52 }
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53 }
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54
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55 void close()
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56 {
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57
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58 }
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59
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60 /**************************************************************************
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61
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62 send
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63 OutgoingHandlerD
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64 To be registered as the response to socket writable event.
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65 Sends data, returns amount sent. Unregisters Handler for sending
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66 if there is no more data left to send.
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67
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68 ***************************************************************************/
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69 int send(ConnectionHandler h, RegisterD reg)
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70 {
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71 char[] outbuf = h.nextBuffer();
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72 if (!outbuf is null)
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73 {
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74 int sent = h.transport.write(outbuf);
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75 if (sent > 0)
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76 {
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77 if (! h.addOffset(sent))
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78 {
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79 h.removeEvent(Event.write);
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80 reg(h);
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81 }
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82 }
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83 else if (sent == EOF)
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84 {
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85 // EAGAIN ? probably shouldn't have happened.
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86 }
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87 else
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88 {
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89 log.error("Socket send return ERR");
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90 }
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91 return sent;
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92 }
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93 return 0;
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94 }
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95
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96 /**************************************************************************
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97
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98 receive
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99 IncomingHandlerD
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100 Default incoming data handler. Should be replaced with something useful.
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101
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102 **************************************************************************/
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103 int receive(ConnectionHandler h, RegisterD reg)
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104 {
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105 }
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106
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107 private
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108 ConnectionHandler manager;
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109 SelectLoop select;
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110 CircularSeq!(ConnectionHandler) children;
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111 }
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112
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113 class RawClient
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114 {
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115 ConnectionHandler manager;
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116 SelectLoop select;
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117
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118 this(ConnectionHandler mgr, SelectLoop sel)
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119 {
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120 manager = mgr;
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121 mgr.events(Event.Read);
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122 sel.addConnection(mgr);
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123 select = sel;
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124 }
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125 }
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