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1 | /* |
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2 | * libev simple C++ wrapper classes |
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3 | * |
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4 | * Copyright (c) 2007,2008,2010 Marc Alexander Lehmann <libev@schmorp.de> |
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5 | * All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without modifica- |
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8 | * tion, are permitted provided that the following conditions are met: |
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9 | * |
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10 | * 1. Redistributions of source code must retain the above copyright notice, |
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11 | * this list of conditions and the following disclaimer. |
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12 | * |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
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18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER- |
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19 | * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
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20 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE- |
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21 | * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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22 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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23 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH- |
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25 | * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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26 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | * |
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28 | * Alternatively, the contents of this file may be used under the terms of |
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29 | * the GNU General Public License ("GPL") version 2 or any later version, |
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30 | * in which case the provisions of the GPL are applicable instead of |
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31 | * the above. If you wish to allow the use of your version of this file |
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32 | * only under the terms of the GPL and not to allow others to use your |
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33 | * version of this file under the BSD license, indicate your decision |
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34 | * by deleting the provisions above and replace them with the notice |
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35 | * and other provisions required by the GPL. If you do not delete the |
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36 | * provisions above, a recipient may use your version of this file under |
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37 | * either the BSD or the GPL. |
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38 | */ |
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39 | |
1 | #ifndef EVPP_H__ |
40 | #ifndef EVPP_H__ |
2 | #define EVPP_H__ |
41 | #define EVPP_H__ |
3 | |
42 | |
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43 | #ifdef EV_H |
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44 | # include EV_H |
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45 | #else |
4 | #include "ev.h" |
46 | # include "ev.h" |
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47 | #endif |
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48 | |
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49 | #ifndef EV_USE_STDEXCEPT |
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50 | # define EV_USE_STDEXCEPT 1 |
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51 | #endif |
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52 | |
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53 | #if EV_USE_STDEXCEPT |
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54 | # include <stdexcept> |
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55 | #endif |
5 | |
56 | |
6 | namespace ev { |
57 | namespace ev { |
7 | |
58 | |
8 | template<class watcher> |
59 | typedef ev_tstamp tstamp; |
9 | class callback |
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10 | { |
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11 | struct object { }; |
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12 | |
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13 | void *obj; |
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14 | void (object::*meth)(watcher &, int); |
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15 | |
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16 | /* a proxy is a kind of recipe on how to call a specific class method */ |
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17 | struct proxy_base { |
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18 | virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int) const = 0; |
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19 | }; |
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20 | template<class O1, class O2> |
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21 | struct proxy : proxy_base { |
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22 | virtual void call (void *obj, void (object::*meth)(watcher &, int), watcher &w, int e) const |
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23 | { |
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24 | ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(watcher &, int)>(meth))) |
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25 | (w, e); |
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26 | } |
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27 | }; |
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28 | |
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29 | proxy_base *prxy; |
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30 | |
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31 | public: |
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32 | template<class O1, class O2> |
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33 | explicit callback (O1 *object, void (O2::*method)(watcher &, int)) |
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34 | { |
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35 | static proxy<O1,O2> p; |
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36 | obj = reinterpret_cast<void *>(object); |
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37 | meth = reinterpret_cast<void (object::*)(watcher &, int)>(method); |
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38 | prxy = &p; |
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39 | } |
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40 | |
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41 | void call (watcher *w, int e) const |
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42 | { |
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43 | return prxy->call (obj, meth, *w, e); |
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44 | } |
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45 | }; |
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46 | |
60 | |
47 | enum { |
61 | enum { |
48 | UNDEF = EV_UNDEF, |
62 | UNDEF = EV_UNDEF, |
49 | NONE = EV_NONE, |
63 | NONE = EV_NONE, |
50 | READ = EV_READ, |
64 | READ = EV_READ, |
51 | WRITE = EV_WRITE, |
65 | WRITE = EV_WRITE, |
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66 | #if EV_COMPAT3 |
52 | TIMEOUT = EV_TIMEOUT, |
67 | TIMEOUT = EV_TIMEOUT, |
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68 | #endif |
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69 | TIMER = EV_TIMER, |
53 | PERIODIC = EV_PERIODIC, |
70 | PERIODIC = EV_PERIODIC, |
54 | SIGNAL = EV_SIGNAL, |
71 | SIGNAL = EV_SIGNAL, |
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72 | CHILD = EV_CHILD, |
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73 | STAT = EV_STAT, |
55 | IDLE = EV_IDLE, |
74 | IDLE = EV_IDLE, |
56 | CHECK = EV_CHECK, |
75 | CHECK = EV_CHECK, |
57 | PREPARE = EV_PREPARE, |
76 | PREPARE = EV_PREPARE, |
58 | CHILD = EV_CHILD, |
77 | FORK = EV_FORK, |
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78 | ASYNC = EV_ASYNC, |
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79 | EMBED = EV_EMBED, |
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80 | # undef ERROR // some systems stupidly #define ERROR |
59 | ERROR = EV_ERROR, |
81 | ERROR = EV_ERROR |
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82 | }; |
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83 | |
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84 | enum |
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85 | { |
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86 | AUTO = EVFLAG_AUTO, |
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87 | NOENV = EVFLAG_NOENV, |
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88 | FORKCHECK = EVFLAG_FORKCHECK, |
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89 | |
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90 | SELECT = EVBACKEND_SELECT, |
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91 | POLL = EVBACKEND_POLL, |
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92 | EPOLL = EVBACKEND_EPOLL, |
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93 | KQUEUE = EVBACKEND_KQUEUE, |
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94 | DEVPOLL = EVBACKEND_DEVPOLL, |
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95 | PORT = EVBACKEND_PORT |
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96 | }; |
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97 | |
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98 | enum |
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99 | { |
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100 | #if EV_COMPAT3 |
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101 | NONBLOCK = EVLOOP_NONBLOCK, |
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102 | ONESHOT = EVLOOP_ONESHOT, |
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103 | #endif |
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104 | NOWAIT = EVRUN_NOWAIT, |
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105 | ONCE = EVRUN_ONCE |
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106 | }; |
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107 | |
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108 | enum how_t |
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109 | { |
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110 | ONE = EVBREAK_ONE, |
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111 | ALL = EVBREAK_ALL |
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112 | }; |
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113 | |
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114 | struct bad_loop |
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115 | #if EV_USE_STDEXCEPT |
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116 | : std::exception |
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117 | #endif |
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118 | { |
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119 | #if EV_USE_STDEXCEPT |
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120 | const char *what () const EV_NOEXCEPT |
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121 | { |
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122 | return "libev event loop cannot be initialized, bad value of LIBEV_FLAGS?"; |
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123 | } |
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124 | #endif |
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125 | }; |
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126 | |
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127 | #ifdef EV_AX |
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128 | # undef EV_AX |
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129 | #endif |
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130 | |
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131 | #ifdef EV_AX_ |
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132 | # undef EV_AX_ |
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133 | #endif |
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134 | |
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135 | #if EV_MULTIPLICITY |
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136 | # define EV_AX raw_loop |
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137 | # define EV_AX_ raw_loop, |
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138 | #else |
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139 | # define EV_AX |
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140 | # define EV_AX_ |
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141 | #endif |
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142 | |
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143 | struct loop_ref |
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144 | { |
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145 | loop_ref (EV_P) EV_NOEXCEPT |
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146 | #if EV_MULTIPLICITY |
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147 | : EV_AX (EV_A) |
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148 | #endif |
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149 | { |
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150 | } |
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151 | |
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152 | bool operator == (const loop_ref &other) const EV_NOEXCEPT |
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153 | { |
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154 | #if EV_MULTIPLICITY |
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155 | return EV_AX == other.EV_AX; |
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156 | #else |
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157 | return true; |
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158 | #endif |
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159 | } |
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160 | |
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161 | bool operator != (const loop_ref &other) const EV_NOEXCEPT |
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162 | { |
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163 | #if EV_MULTIPLICITY |
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164 | return ! (*this == other); |
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165 | #else |
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166 | return false; |
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167 | #endif |
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168 | } |
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169 | |
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170 | #if EV_MULTIPLICITY |
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171 | bool operator == (const EV_P) const EV_NOEXCEPT |
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172 | { |
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173 | return this->EV_AX == EV_A; |
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174 | } |
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175 | |
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176 | bool operator != (const EV_P) const EV_NOEXCEPT |
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177 | { |
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178 | return ! (*this == EV_A); |
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179 | } |
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180 | |
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181 | operator struct ev_loop * () const EV_NOEXCEPT |
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182 | { |
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183 | return EV_AX; |
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184 | } |
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185 | |
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186 | operator const struct ev_loop * () const EV_NOEXCEPT |
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187 | { |
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188 | return EV_AX; |
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189 | } |
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190 | |
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191 | bool is_default () const EV_NOEXCEPT |
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192 | { |
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193 | return EV_AX == ev_default_loop (0); |
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194 | } |
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195 | #endif |
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196 | |
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197 | #if EV_COMPAT3 |
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198 | void loop (int flags = 0) |
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199 | { |
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200 | ev_run (EV_AX_ flags); |
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201 | } |
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202 | |
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203 | void unloop (how_t how = ONE) EV_NOEXCEPT |
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204 | { |
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205 | ev_break (EV_AX_ how); |
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206 | } |
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207 | #endif |
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208 | |
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209 | void run (int flags = 0) |
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210 | { |
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211 | ev_run (EV_AX_ flags); |
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212 | } |
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213 | |
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214 | void break_loop (how_t how = ONE) EV_NOEXCEPT |
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215 | { |
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216 | ev_break (EV_AX_ how); |
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217 | } |
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218 | |
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219 | void post_fork () EV_NOEXCEPT |
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220 | { |
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221 | ev_loop_fork (EV_AX); |
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222 | } |
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223 | |
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224 | unsigned int backend () const EV_NOEXCEPT |
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225 | { |
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226 | return ev_backend (EV_AX); |
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227 | } |
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228 | |
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229 | tstamp now () const EV_NOEXCEPT |
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230 | { |
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231 | return ev_now (EV_AX); |
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232 | } |
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233 | |
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234 | void ref () EV_NOEXCEPT |
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235 | { |
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236 | ev_ref (EV_AX); |
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237 | } |
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238 | |
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239 | void unref () EV_NOEXCEPT |
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240 | { |
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241 | ev_unref (EV_AX); |
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242 | } |
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243 | |
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244 | #if EV_FEATURE_API |
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245 | unsigned int iteration () const EV_NOEXCEPT |
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246 | { |
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247 | return ev_iteration (EV_AX); |
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248 | } |
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249 | |
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250 | unsigned int depth () const EV_NOEXCEPT |
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251 | { |
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252 | return ev_depth (EV_AX); |
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253 | } |
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254 | |
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255 | void set_io_collect_interval (tstamp interval) EV_NOEXCEPT |
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256 | { |
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257 | ev_set_io_collect_interval (EV_AX_ interval); |
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258 | } |
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259 | |
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260 | void set_timeout_collect_interval (tstamp interval) EV_NOEXCEPT |
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261 | { |
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262 | ev_set_timeout_collect_interval (EV_AX_ interval); |
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263 | } |
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264 | #endif |
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265 | |
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266 | // function callback |
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267 | void once (int fd, int events, tstamp timeout, void (*cb)(int, void *), void *arg = 0) EV_NOEXCEPT |
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268 | { |
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269 | ev_once (EV_AX_ fd, events, timeout, cb, arg); |
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270 | } |
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271 | |
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272 | // method callback |
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273 | template<class K, void (K::*method)(int)> |
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274 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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275 | { |
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276 | once (fd, events, timeout, method_thunk<K, method>, object); |
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277 | } |
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278 | |
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279 | // default method == operator () |
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280 | template<class K> |
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281 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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282 | { |
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283 | once (fd, events, timeout, method_thunk<K, &K::operator ()>, object); |
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284 | } |
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285 | |
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286 | template<class K, void (K::*method)(int)> |
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287 | static void method_thunk (int revents, void *arg) |
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288 | { |
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289 | (static_cast<K *>(arg)->*method) |
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290 | (revents); |
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291 | } |
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292 | |
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293 | // no-argument method callback |
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294 | template<class K, void (K::*method)()> |
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295 | void once (int fd, int events, tstamp timeout, K *object) EV_NOEXCEPT |
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296 | { |
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297 | once (fd, events, timeout, method_noargs_thunk<K, method>, object); |
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298 | } |
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299 | |
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300 | template<class K, void (K::*method)()> |
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301 | static void method_noargs_thunk (int revents, void *arg) |
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302 | { |
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303 | (static_cast<K *>(arg)->*method) |
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304 | (); |
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305 | } |
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306 | |
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307 | // simpler function callback |
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308 | template<void (*cb)(int)> |
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309 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
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310 | { |
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311 | once (fd, events, timeout, simpler_func_thunk<cb>); |
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312 | } |
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313 | |
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314 | template<void (*cb)(int)> |
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315 | static void simpler_func_thunk (int revents, void *arg) |
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316 | { |
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317 | (*cb) |
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318 | (revents); |
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319 | } |
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320 | |
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321 | // simplest function callback |
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322 | template<void (*cb)()> |
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323 | void once (int fd, int events, tstamp timeout) EV_NOEXCEPT |
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324 | { |
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325 | once (fd, events, timeout, simplest_func_thunk<cb>); |
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326 | } |
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327 | |
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328 | template<void (*cb)()> |
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329 | static void simplest_func_thunk (int revents, void *arg) |
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330 | { |
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331 | (*cb) |
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332 | (); |
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333 | } |
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334 | |
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335 | void feed_fd_event (int fd, int revents) EV_NOEXCEPT |
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336 | { |
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337 | ev_feed_fd_event (EV_AX_ fd, revents); |
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338 | } |
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339 | |
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340 | void feed_signal_event (int signum) EV_NOEXCEPT |
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341 | { |
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342 | ev_feed_signal_event (EV_AX_ signum); |
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343 | } |
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344 | |
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345 | #if EV_MULTIPLICITY |
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346 | struct ev_loop* EV_AX; |
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347 | #endif |
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348 | |
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349 | }; |
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350 | |
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351 | #if EV_MULTIPLICITY |
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352 | struct dynamic_loop : loop_ref |
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353 | { |
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354 | |
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355 | dynamic_loop (unsigned int flags = AUTO) |
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356 | : loop_ref (ev_loop_new (flags)) |
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357 | { |
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358 | if (!EV_AX) |
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359 | throw bad_loop (); |
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360 | } |
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361 | |
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362 | ~dynamic_loop () EV_NOEXCEPT |
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363 | { |
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364 | ev_loop_destroy (EV_AX); |
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365 | EV_AX = 0; |
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366 | } |
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367 | |
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368 | private: |
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369 | |
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370 | dynamic_loop (const dynamic_loop &); |
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371 | |
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372 | dynamic_loop & operator= (const dynamic_loop &); |
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373 | |
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374 | }; |
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375 | #endif |
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376 | |
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377 | struct default_loop : loop_ref |
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378 | { |
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379 | default_loop (unsigned int flags = AUTO) |
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380 | #if EV_MULTIPLICITY |
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381 | : loop_ref (ev_default_loop (flags)) |
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382 | #endif |
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383 | { |
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384 | if ( |
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385 | #if EV_MULTIPLICITY |
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386 | !EV_AX |
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387 | #else |
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388 | !ev_default_loop (flags) |
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389 | #endif |
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390 | ) |
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391 | throw bad_loop (); |
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392 | } |
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393 | |
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394 | private: |
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395 | default_loop (const default_loop &); |
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396 | default_loop &operator = (const default_loop &); |
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397 | }; |
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398 | |
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399 | inline loop_ref get_default_loop () EV_NOEXCEPT |
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400 | { |
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401 | #if EV_MULTIPLICITY |
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402 | return ev_default_loop (0); |
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403 | #else |
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404 | return loop_ref (); |
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405 | #endif |
60 | }; |
406 | } |
61 | |
407 | |
62 | typedef ev_tstamp tstamp; |
408 | #undef EV_AX |
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409 | #undef EV_AX_ |
63 | |
410 | |
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411 | #undef EV_PX |
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412 | #undef EV_PX_ |
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413 | #if EV_MULTIPLICITY |
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414 | # define EV_PX loop_ref EV_A |
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415 | # define EV_PX_ loop_ref EV_A_ |
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416 | #else |
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417 | # define EV_PX |
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418 | # define EV_PX_ |
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419 | #endif |
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420 | |
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421 | template<class ev_watcher, class watcher> |
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422 | struct base : ev_watcher |
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423 | { |
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424 | #if EV_MULTIPLICITY |
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425 | EV_PX; |
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426 | |
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427 | // loop set |
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428 | void set (EV_P) EV_NOEXCEPT |
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429 | { |
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430 | this->EV_A = EV_A; |
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431 | } |
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432 | #endif |
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433 | |
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434 | base (EV_PX) EV_NOEXCEPT |
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435 | #if EV_MULTIPLICITY |
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436 | : EV_A (EV_A) |
|
|
437 | #endif |
|
|
438 | { |
|
|
439 | ev_init (this, 0); |
|
|
440 | } |
|
|
441 | |
|
|
442 | void set_ (const void *data, void (*cb)(EV_P_ ev_watcher *w, int revents)) EV_NOEXCEPT |
|
|
443 | { |
|
|
444 | this->data = (void *)data; |
|
|
445 | ev_set_cb (static_cast<ev_watcher *>(this), cb); |
|
|
446 | } |
|
|
447 | |
|
|
448 | // function callback |
|
|
449 | template<void (*function)(watcher &w, int)> |
|
|
450 | void set (void *data = 0) EV_NOEXCEPT |
|
|
451 | { |
|
|
452 | set_ (data, function_thunk<function>); |
|
|
453 | } |
|
|
454 | |
|
|
455 | template<void (*function)(watcher &w, int)> |
|
|
456 | static void function_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
457 | { |
|
|
458 | function |
|
|
459 | (*static_cast<watcher *>(w), revents); |
|
|
460 | } |
|
|
461 | |
|
|
462 | // method callback |
|
|
463 | template<class K, void (K::*method)(watcher &w, int)> |
|
|
464 | void set (K *object) EV_NOEXCEPT |
|
|
465 | { |
|
|
466 | set_ (object, method_thunk<K, method>); |
|
|
467 | } |
|
|
468 | |
|
|
469 | // default method == operator () |
|
|
470 | template<class K> |
|
|
471 | void set (K *object) EV_NOEXCEPT |
|
|
472 | { |
|
|
473 | set_ (object, method_thunk<K, &K::operator ()>); |
|
|
474 | } |
|
|
475 | |
|
|
476 | template<class K, void (K::*method)(watcher &w, int)> |
|
|
477 | static void method_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
478 | { |
|
|
479 | (static_cast<K *>(w->data)->*method) |
|
|
480 | (*static_cast<watcher *>(w), revents); |
|
|
481 | } |
|
|
482 | |
|
|
483 | // no-argument callback |
|
|
484 | template<class K, void (K::*method)()> |
|
|
485 | void set (K *object) EV_NOEXCEPT |
|
|
486 | { |
|
|
487 | set_ (object, method_noargs_thunk<K, method>); |
|
|
488 | } |
|
|
489 | |
|
|
490 | template<class K, void (K::*method)()> |
|
|
491 | static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents) |
|
|
492 | { |
|
|
493 | (static_cast<K *>(w->data)->*method) |
|
|
494 | (); |
|
|
495 | } |
|
|
496 | |
|
|
497 | void operator ()(int events = EV_UNDEF) |
|
|
498 | { |
|
|
499 | return |
|
|
500 | ev_cb (static_cast<ev_watcher *>(this)) |
|
|
501 | (static_cast<ev_watcher *>(this), events); |
|
|
502 | } |
|
|
503 | |
|
|
504 | bool is_active () const EV_NOEXCEPT |
|
|
505 | { |
|
|
506 | return ev_is_active (static_cast<const ev_watcher *>(this)); |
|
|
507 | } |
|
|
508 | |
|
|
509 | bool is_pending () const EV_NOEXCEPT |
|
|
510 | { |
|
|
511 | return ev_is_pending (static_cast<const ev_watcher *>(this)); |
|
|
512 | } |
|
|
513 | |
|
|
514 | void feed_event (int revents) EV_NOEXCEPT |
|
|
515 | { |
|
|
516 | ev_feed_event (EV_A_ static_cast<ev_watcher *>(this), revents); |
|
|
517 | } |
|
|
518 | }; |
|
|
519 | |
64 | inline ev_tstamp now (EV_P) |
520 | inline tstamp now (EV_P) EV_NOEXCEPT |
65 | { |
521 | { |
66 | return ev_now (EV_A); |
522 | return ev_now (EV_A); |
67 | } |
523 | } |
68 | |
524 | |
|
|
525 | inline void delay (tstamp interval) EV_NOEXCEPT |
|
|
526 | { |
|
|
527 | ev_sleep (interval); |
|
|
528 | } |
|
|
529 | |
|
|
530 | inline int version_major () EV_NOEXCEPT |
|
|
531 | { |
|
|
532 | return ev_version_major (); |
|
|
533 | } |
|
|
534 | |
|
|
535 | inline int version_minor () EV_NOEXCEPT |
|
|
536 | { |
|
|
537 | return ev_version_minor (); |
|
|
538 | } |
|
|
539 | |
|
|
540 | inline unsigned int supported_backends () EV_NOEXCEPT |
|
|
541 | { |
|
|
542 | return ev_supported_backends (); |
|
|
543 | } |
|
|
544 | |
|
|
545 | inline unsigned int recommended_backends () EV_NOEXCEPT |
|
|
546 | { |
|
|
547 | return ev_recommended_backends (); |
|
|
548 | } |
|
|
549 | |
|
|
550 | inline unsigned int embeddable_backends () EV_NOEXCEPT |
|
|
551 | { |
|
|
552 | return ev_embeddable_backends (); |
|
|
553 | } |
|
|
554 | |
|
|
555 | inline void set_allocator (void *(*cb)(void *ptr, long size) EV_NOEXCEPT) EV_NOEXCEPT |
|
|
556 | { |
|
|
557 | ev_set_allocator (cb); |
|
|
558 | } |
|
|
559 | |
|
|
560 | inline void set_syserr_cb (void (*cb)(const char *msg) EV_NOEXCEPT) EV_NOEXCEPT |
|
|
561 | { |
|
|
562 | ev_set_syserr_cb (cb); |
|
|
563 | } |
|
|
564 | |
69 | #if EV_MULTIPLICITY |
565 | #if EV_MULTIPLICITY |
70 | |
566 | #define EV_CONSTRUCT(cppstem,cstem) \ |
71 | #define EV_CONSTRUCT(cppstem) \ |
567 | (EV_PX = get_default_loop ()) EV_NOEXCEPT \ |
72 | EV_P; \ |
568 | : base<ev_ ## cstem, cppstem> (EV_A) \ |
73 | \ |
|
|
74 | void set (EV_P) \ |
|
|
75 | { \ |
569 | { \ |
76 | this->EV_A = EV_A; \ |
570 | } |
77 | } \ |
|
|
78 | \ |
|
|
79 | template<class O1, class O2> \ |
|
|
80 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int), EV_P = ev_default_loop (0)) \ |
|
|
81 | : callback<cppstem> (object, method), EV_A (EV_A) |
|
|
82 | |
|
|
83 | #else |
571 | #else |
84 | |
572 | #define EV_CONSTRUCT(cppstem,cstem) \ |
85 | #define EV_CONSTRUCT(cppstem) \ |
573 | () EV_NOEXCEPT \ |
86 | template<class O1, class O2> \ |
574 | { \ |
87 | explicit cppstem (O1 *object, void (O2::*method)(cppstem &, int)) \ |
575 | } |
88 | : callback<cppstem> (object, method) |
|
|
89 | |
|
|
90 | #endif |
576 | #endif |
91 | |
577 | |
92 | /* using a template here would require quite a bit more lines, |
578 | /* using a template here would require quite a few more lines, |
93 | * so a macro solution was chosen */ |
579 | * so a macro solution was chosen */ |
94 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
580 | #define EV_BEGIN_WATCHER(cppstem,cstem) \ |
95 | \ |
581 | \ |
96 | struct cppstem : ev_ ## cstem, callback<cppstem> \ |
582 | struct cppstem : base<ev_ ## cstem, cppstem> \ |
97 | { \ |
583 | { \ |
98 | EV_CONSTRUCT (cppstem) \ |
|
|
99 | { \ |
|
|
100 | ev_init (static_cast<ev_ ## cstem *>(this), thunk); \ |
|
|
101 | } \ |
|
|
102 | \ |
|
|
103 | bool is_active () const \ |
|
|
104 | { \ |
|
|
105 | return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ |
|
|
106 | } \ |
|
|
107 | \ |
|
|
108 | bool is_pending () const \ |
|
|
109 | { \ |
|
|
110 | return ev_is_pending (static_cast<const ev_ ## cstem *>(this)); \ |
|
|
111 | } \ |
|
|
112 | \ |
|
|
113 | void start () \ |
584 | void start () EV_NOEXCEPT \ |
114 | { \ |
585 | { \ |
115 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
586 | ev_ ## cstem ## _start (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
116 | } \ |
587 | } \ |
117 | \ |
588 | \ |
118 | void stop () \ |
589 | void stop () EV_NOEXCEPT \ |
119 | { \ |
590 | { \ |
120 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
591 | ev_ ## cstem ## _stop (EV_A_ static_cast<ev_ ## cstem *>(this)); \ |
121 | } \ |
592 | } \ |
122 | \ |
593 | \ |
123 | void operator ()(int events = EV_UNDEF) \ |
594 | cppstem EV_CONSTRUCT(cppstem,cstem) \ |
124 | { \ |
|
|
125 | return call (this, events); \ |
|
|
126 | } \ |
|
|
127 | \ |
595 | \ |
128 | ~cppstem () \ |
596 | ~cppstem () EV_NOEXCEPT \ |
129 | { \ |
597 | { \ |
130 | stop (); \ |
598 | stop (); \ |
131 | } \ |
599 | } \ |
132 | \ |
600 | \ |
|
|
601 | using base<ev_ ## cstem, cppstem>::set; \ |
|
|
602 | \ |
133 | private: \ |
603 | private: \ |
134 | \ |
604 | \ |
135 | cppstem (const cppstem &o) \ |
605 | cppstem (const cppstem &o); \ |
136 | : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ |
|
|
137 | { /* disabled */ } \ |
|
|
138 | \ |
606 | \ |
139 | void operator =(const cppstem &o) { /* disabled */ } \ |
607 | cppstem &operator =(const cppstem &o); \ |
140 | \ |
|
|
141 | static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \ |
|
|
142 | { \ |
|
|
143 | (*static_cast<cppstem *>(w))(revents); \ |
|
|
144 | } \ |
|
|
145 | \ |
608 | \ |
146 | public: |
609 | public: |
147 | |
610 | |
148 | #define EV_END_WATCHER(cppstem,cstem) \ |
611 | #define EV_END_WATCHER(cppstem,cstem) \ |
149 | }; |
612 | }; |
150 | |
613 | |
151 | EV_BEGIN_WATCHER (io, io) |
614 | EV_BEGIN_WATCHER (io, io) |
152 | void set (int fd, int events) |
615 | void set (int fd, int events) EV_NOEXCEPT |
153 | { |
616 | { |
154 | int active = is_active (); |
617 | int active = is_active (); |
155 | if (active) stop (); |
618 | if (active) stop (); |
156 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
619 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
157 | if (active) start (); |
620 | if (active) start (); |
158 | } |
621 | } |
159 | |
622 | |
160 | void set (int events) |
623 | void set (int events) EV_NOEXCEPT |
161 | { |
624 | { |
162 | int active = is_active (); |
625 | int active = is_active (); |
163 | if (active) stop (); |
626 | if (active) stop (); |
164 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
627 | ev_io_set (static_cast<ev_io *>(this), fd, events); |
165 | if (active) start (); |
628 | if (active) start (); |
166 | } |
629 | } |
167 | |
630 | |
168 | void start (int fd, int events) |
631 | void start (int fd, int events) EV_NOEXCEPT |
169 | { |
632 | { |
170 | set (fd, events); |
633 | set (fd, events); |
171 | start (); |
634 | start (); |
172 | } |
635 | } |
173 | EV_END_WATCHER (io, io) |
636 | EV_END_WATCHER (io, io) |
174 | |
637 | |
175 | EV_BEGIN_WATCHER (timer, timer) |
638 | EV_BEGIN_WATCHER (timer, timer) |
176 | void set (ev_tstamp after, ev_tstamp repeat = 0.) |
639 | void set (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
177 | { |
640 | { |
178 | int active = is_active (); |
641 | int active = is_active (); |
179 | if (active) stop (); |
642 | if (active) stop (); |
180 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
643 | ev_timer_set (static_cast<ev_timer *>(this), after, repeat); |
181 | if (active) start (); |
644 | if (active) start (); |
182 | } |
645 | } |
183 | |
646 | |
184 | void start (ev_tstamp after, ev_tstamp repeat = 0.) |
647 | void start (ev_tstamp after, ev_tstamp repeat = 0.) EV_NOEXCEPT |
185 | { |
648 | { |
186 | set (after, repeat); |
649 | set (after, repeat); |
187 | start (); |
650 | start (); |
188 | } |
651 | } |
189 | |
652 | |
190 | void again () |
653 | void again () EV_NOEXCEPT |
191 | { |
654 | { |
192 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
655 | ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); |
|
|
656 | } |
|
|
657 | |
|
|
658 | ev_tstamp remaining () |
|
|
659 | { |
|
|
660 | return ev_timer_remaining (EV_A_ static_cast<ev_timer *>(this)); |
193 | } |
661 | } |
194 | EV_END_WATCHER (timer, timer) |
662 | EV_END_WATCHER (timer, timer) |
195 | |
663 | |
196 | #if EV_PERIODIC_ENABLE |
664 | #if EV_PERIODIC_ENABLE |
197 | EV_BEGIN_WATCHER (periodic, periodic) |
665 | EV_BEGIN_WATCHER (periodic, periodic) |
198 | void set (ev_tstamp at, ev_tstamp interval = 0.) |
666 | void set (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
199 | { |
667 | { |
200 | int active = is_active (); |
668 | int active = is_active (); |
201 | if (active) stop (); |
669 | if (active) stop (); |
202 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
670 | ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); |
203 | if (active) start (); |
671 | if (active) start (); |
204 | } |
672 | } |
205 | |
673 | |
206 | void start (ev_tstamp at, ev_tstamp interval = 0.) |
674 | void start (ev_tstamp at, ev_tstamp interval = 0.) EV_NOEXCEPT |
207 | { |
675 | { |
208 | set (at, interval); |
676 | set (at, interval); |
209 | start (); |
677 | start (); |
210 | } |
678 | } |
211 | |
679 | |
212 | void again () |
680 | void again () EV_NOEXCEPT |
213 | { |
681 | { |
214 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
682 | ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); |
215 | } |
683 | } |
216 | EV_END_WATCHER (periodic, periodic) |
684 | EV_END_WATCHER (periodic, periodic) |
217 | #endif |
685 | #endif |
218 | |
686 | |
|
|
687 | #if EV_SIGNAL_ENABLE |
219 | EV_BEGIN_WATCHER (sig, signal) |
688 | EV_BEGIN_WATCHER (sig, signal) |
220 | void set (int signum) |
689 | void set (int signum) EV_NOEXCEPT |
221 | { |
690 | { |
222 | int active = is_active (); |
691 | int active = is_active (); |
223 | if (active) stop (); |
692 | if (active) stop (); |
224 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
693 | ev_signal_set (static_cast<ev_signal *>(this), signum); |
225 | if (active) start (); |
694 | if (active) start (); |
226 | } |
695 | } |
227 | |
696 | |
228 | void start (int signum) |
697 | void start (int signum) EV_NOEXCEPT |
229 | { |
698 | { |
230 | set (signum); |
699 | set (signum); |
231 | start (); |
700 | start (); |
232 | } |
701 | } |
233 | EV_END_WATCHER (sig, signal) |
702 | EV_END_WATCHER (sig, signal) |
|
|
703 | #endif |
234 | |
704 | |
|
|
705 | #if EV_CHILD_ENABLE |
235 | EV_BEGIN_WATCHER (child, child) |
706 | EV_BEGIN_WATCHER (child, child) |
236 | void set (int pid) |
707 | void set (int pid, int trace = 0) EV_NOEXCEPT |
237 | { |
708 | { |
238 | int active = is_active (); |
709 | int active = is_active (); |
239 | if (active) stop (); |
710 | if (active) stop (); |
240 | ev_child_set (static_cast<ev_child *>(this), pid); |
711 | ev_child_set (static_cast<ev_child *>(this), pid, trace); |
241 | if (active) start (); |
712 | if (active) start (); |
242 | } |
713 | } |
243 | |
714 | |
244 | void start (int pid) |
715 | void start (int pid, int trace = 0) EV_NOEXCEPT |
245 | { |
716 | { |
246 | set (pid); |
717 | set (pid, trace); |
247 | start (); |
718 | start (); |
248 | } |
719 | } |
249 | EV_END_WATCHER (child, child) |
720 | EV_END_WATCHER (child, child) |
|
|
721 | #endif |
250 | |
722 | |
251 | #if EV_STAT_ENABLE |
723 | #if EV_STAT_ENABLE |
252 | EV_BEGIN_WATCHER (stat, stat) |
724 | EV_BEGIN_WATCHER (stat, stat) |
253 | void set (const char *path, ev_tstamp interval = 0.) |
725 | void set (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
254 | { |
726 | { |
255 | int active = is_active (); |
727 | int active = is_active (); |
256 | if (active) stop (); |
728 | if (active) stop (); |
257 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
729 | ev_stat_set (static_cast<ev_stat *>(this), path, interval); |
258 | if (active) start (); |
730 | if (active) start (); |
259 | } |
731 | } |
260 | |
732 | |
261 | void start (const char *path, ev_tstamp interval = 0.) |
733 | void start (const char *path, ev_tstamp interval = 0.) EV_NOEXCEPT |
262 | { |
734 | { |
|
|
735 | stop (); |
263 | set (path, interval); |
736 | set (path, interval); |
264 | start (); |
737 | start (); |
265 | } |
738 | } |
266 | |
739 | |
267 | void update () |
740 | void update () EV_NOEXCEPT |
268 | { |
741 | { |
269 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
742 | ev_stat_stat (EV_A_ static_cast<ev_stat *>(this)); |
270 | } |
743 | } |
271 | EV_END_WATCHER (stat, stat) |
744 | EV_END_WATCHER (stat, stat) |
272 | #endif |
745 | #endif |
273 | |
746 | |
|
|
747 | #if EV_IDLE_ENABLE |
274 | EV_BEGIN_WATCHER (idle, idle) |
748 | EV_BEGIN_WATCHER (idle, idle) |
275 | void set () { } |
749 | void set () EV_NOEXCEPT { } |
276 | EV_END_WATCHER (idle, idle) |
750 | EV_END_WATCHER (idle, idle) |
|
|
751 | #endif |
277 | |
752 | |
|
|
753 | #if EV_PREPARE_ENABLE |
278 | EV_BEGIN_WATCHER (prepare, prepare) |
754 | EV_BEGIN_WATCHER (prepare, prepare) |
279 | void set () { } |
755 | void set () EV_NOEXCEPT { } |
280 | EV_END_WATCHER (prepare, prepare) |
756 | EV_END_WATCHER (prepare, prepare) |
|
|
757 | #endif |
281 | |
758 | |
|
|
759 | #if EV_CHECK_ENABLE |
282 | EV_BEGIN_WATCHER (check, check) |
760 | EV_BEGIN_WATCHER (check, check) |
283 | void set () { } |
761 | void set () EV_NOEXCEPT { } |
284 | EV_END_WATCHER (check, check) |
762 | EV_END_WATCHER (check, check) |
|
|
763 | #endif |
285 | |
764 | |
286 | #if EV_EMBED_ENABLE |
765 | #if EV_EMBED_ENABLE |
287 | EV_BEGIN_WATCHER (embed, embed) |
766 | EV_BEGIN_WATCHER (embed, embed) |
288 | void set (struct ev_loop *loop) |
767 | void set_embed (struct ev_loop *embedded_loop) EV_NOEXCEPT |
289 | { |
768 | { |
290 | int active = is_active (); |
769 | int active = is_active (); |
291 | if (active) stop (); |
770 | if (active) stop (); |
292 | ev_embed_set (static_cast<ev_embed *>(this), loop); |
771 | ev_embed_set (static_cast<ev_embed *>(this), embedded_loop); |
293 | if (active) start (); |
772 | if (active) start (); |
294 | } |
773 | } |
295 | |
774 | |
296 | void start (struct ev_loop *embedded_loop) |
775 | void start (struct ev_loop *embedded_loop) EV_NOEXCEPT |
297 | { |
776 | { |
298 | set (embedded_loop); |
777 | set (embedded_loop); |
299 | start (); |
778 | start (); |
300 | } |
779 | } |
301 | |
780 | |
… | |
… | |
304 | ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); |
783 | ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this)); |
305 | } |
784 | } |
306 | EV_END_WATCHER (embed, embed) |
785 | EV_END_WATCHER (embed, embed) |
307 | #endif |
786 | #endif |
308 | |
787 | |
|
|
788 | #if EV_FORK_ENABLE |
|
|
789 | EV_BEGIN_WATCHER (fork, fork) |
|
|
790 | void set () EV_NOEXCEPT { } |
|
|
791 | EV_END_WATCHER (fork, fork) |
|
|
792 | #endif |
|
|
793 | |
|
|
794 | #if EV_ASYNC_ENABLE |
|
|
795 | EV_BEGIN_WATCHER (async, async) |
|
|
796 | void send () EV_NOEXCEPT |
|
|
797 | { |
|
|
798 | ev_async_send (EV_A_ static_cast<ev_async *>(this)); |
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799 | } |
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800 | |
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801 | bool async_pending () EV_NOEXCEPT |
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802 | { |
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803 | return ev_async_pending (static_cast<ev_async *>(this)); |
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804 | } |
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805 | EV_END_WATCHER (async, async) |
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806 | #endif |
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807 | |
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808 | #undef EV_PX |
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809 | #undef EV_PX_ |
309 | #undef EV_CONSTRUCT |
810 | #undef EV_CONSTRUCT |
310 | #undef EV_BEGIN_WATCHER |
811 | #undef EV_BEGIN_WATCHER |
311 | #undef EV_END_WATCHER |
812 | #undef EV_END_WATCHER |
312 | } |
813 | } |
313 | |
814 | |