1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
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2 /* |
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3 * Copyright (c) 2005,2006 INRIA |
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4 * All rights reserved. |
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5 * |
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6 * This program is free software; you can redistribute it and/or modify |
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7 * it under the terms of the GNU General Public License version 2 as |
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8 * published by the Free Software Foundation; |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program; if not, write to the Free Software |
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17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 * |
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19 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
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20 */ |
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21 |
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22 #ifndef CALLBACK_TRACER_H |
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23 #define CALLBACK_TRACER_H |
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24 |
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25 #include "ns3/callback.h" |
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26 |
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27 namespace ns3 { |
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28 |
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29 class CallbackTracerBase { |
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30 public: |
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31 virtual ~CallbackTracerBase () {} |
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32 bool CheckCallbackType (CallbackBase const&callback) |
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33 { |
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34 return CheckType (callback); |
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35 } |
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36 private: |
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37 virtual bool CheckType (CallbackBase const&callback) = 0; |
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38 }; |
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39 |
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40 |
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41 /** |
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42 * \brief log arbitrary number of parameters to a matching ns3::Callback |
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43 * |
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44 * Whenever operator () is invoked on this class, the call and its arguments |
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45 * are forwarded to the internal matching ns3::Callback. |
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46 */ |
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47 template<typename T1 = empty, typename T2 = empty, |
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48 typename T3 = empty, typename T4 = empty, |
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49 typename T5 = empty> |
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50 class CallbackTracer : public CallbackTracerBase { |
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51 public: |
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52 CallbackTracer () |
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53 : m_callback () {} |
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54 void SetCallback (Callback<void,T1,T2,T3,T4,T5> callback) |
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55 { |
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56 m_callback = callback; |
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57 } |
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58 void operator() (void) |
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59 { |
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60 if (!m_callback.IsNull ()) |
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61 { |
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62 m_callback (); |
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63 } |
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64 } |
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65 void operator() (T1 a1) |
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66 { |
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67 if (!m_callback.IsNull ()) |
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68 { |
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69 m_callback (a1); |
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70 } |
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71 } |
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72 void operator() (T1 a1, T2 a2) |
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73 { |
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74 if (!m_callback.IsNull ()) |
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75 { |
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76 m_callback (a1,a2); |
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77 } |
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78 } |
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79 void operator() (T1 a1, T2 a2, T3 a3) |
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80 { |
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81 if (!m_callback.IsNull ()) |
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82 { |
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83 m_callback (a1,a2,a3); |
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84 } |
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85 } |
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86 void operator() (T1 a1, T2 a2, T3 a3, T4 a4) |
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87 { |
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88 if (!m_callback.IsNull ()) |
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89 { |
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90 m_callback (a1,a2,a3,a4); |
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91 } |
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92 } |
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93 void operator() (T1 a1, T2 a2, T3 a3, T4 a4,T5 a5) |
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94 { |
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95 if (!m_callback.IsNull ()) |
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96 { |
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97 m_callback (a1,a2,a3,a4,a5); |
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98 } |
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99 } |
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100 |
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101 private: |
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102 virtual bool CheckType (CallbackBase const&callback) |
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103 { |
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104 return m_callback.CheckType (callback); |
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105 } |
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106 Callback<void,T1,T2,T3,T4,T5> m_callback; |
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107 }; |
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108 |
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109 }; // namespace ns3 |
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110 |
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111 #endif /* CALLBACK_TRACER_H */ |
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