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Comparing libev/ev++.h (file contents):
Revision 1.20 by root, Thu Dec 20 08:17:57 2007 UTC vs.
Revision 1.26 by llucax, Fri Jan 18 18:13:57 2008 UTC

1/*
2 * libev simple C++ wrapper classes
3 *
4 * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without modifica-
8 * tion, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
20 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
21 * CIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
25 * ERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
26 * OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Alternatively, the contents of this file may be used under the terms of
29 * the GNU General Public License ("GPL") version 2 or any later version,
30 * in which case the provisions of the GPL are applicable instead of
31 * the above. If you wish to allow the use of your version of this file
32 * only under the terms of the GPL and not to allow others to use your
33 * version of this file under the BSD license, indicate your decision
34 * by deleting the provisions above and replace them with the notice
35 * and other provisions required by the GPL. If you do not delete the
36 * provisions above, a recipient may use your version of this file under
37 * either the BSD or the GPL.
38 */
39
1#ifndef EVPP_H__ 40#ifndef EVPP_H__
2#define EVPP_H__ 41#define EVPP_H__
3 42
4#ifdef EV_H 43#ifdef EV_H
5# include EV_H 44# include EV_H
6#else 45#else
7# include <ev.h> 46# include "ev.h"
8#endif 47#endif
9 48
10namespace ev { 49namespace ev {
11 50
12 template<class ev_watcher, class watcher> 51 typedef ev_tstamp tstamp;
13 struct base : ev_watcher
14 {
15 #if EV_MULTIPLICITY
16 EV_P;
17
18 void set (EV_P)
19 {
20 this->EV_A = EV_A;
21 }
22 #endif
23
24 base ()
25 {
26 ev_init (this, 0);
27 }
28
29 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
30 {
31 this->data = data;
32 ev_set_cb (static_cast<ev_watcher *>(this), cb);
33 }
34
35 // method callback
36 template<class K, void (K::*method)(watcher &w, int)>
37 void set (K *object)
38 {
39 set_ (object, method_thunk<K, method>);
40 }
41
42 template<class K, void (K::*method)(watcher &w, int)>
43 static void method_thunk (EV_P_ ev_watcher *w, int revents)
44 {
45 K *obj = static_cast<K *>(w->data);
46 (obj->*method) (*static_cast<watcher *>(w), revents);
47 }
48
49 // const method callback
50 template<class K, void (K::*method)(watcher &w, int) const>
51 void set (const K *object)
52 {
53 set_ (object, const_method_thunk<K, method>);
54 }
55
56 template<class K, void (K::*method)(watcher &w, int) const>
57 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
58 {
59 K *obj = static_cast<K *>(w->data);
60 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
61 }
62
63 // function callback
64 template<void (*function)(watcher &w, int)>
65 void set (void *data = 0)
66 {
67 set_ (data, function_thunk<function>);
68 }
69
70 template<void (*function)(watcher &w, int)>
71 static void function_thunk (EV_P_ ev_watcher *w, int revents)
72 {
73 function (*static_cast<watcher *>(w), revents);
74 }
75
76 // simple callback
77 template<class K, void (K::*method)()>
78 void set (K *object)
79 {
80 set_ (object, method_noargs_thunk<K, method>);
81 }
82
83 template<class K, void (K::*method)()>
84 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
85 {
86 K *obj = static_cast<K *>(w->data);
87 (obj->*method) ();
88 }
89
90 void operator ()(int events = EV_UNDEF)
91 {
92 return ev_cb (static_cast<ev_watcher *>(this))
93 (static_cast<ev_watcher *>(this), events);
94 }
95
96 bool is_active () const
97 {
98 return ev_is_active (static_cast<const ev_watcher *>(this));
99 }
100
101 bool is_pending () const
102 {
103 return ev_is_pending (static_cast<const ev_watcher *>(this));
104 }
105 };
106 52
107 enum { 53 enum {
108 UNDEF = EV_UNDEF, 54 UNDEF = EV_UNDEF,
109 NONE = EV_NONE, 55 NONE = EV_NONE,
110 READ = EV_READ, 56 READ = EV_READ,
… …
120 FORK = EV_FORK, 66 FORK = EV_FORK,
121 EMBED = EV_EMBED, 67 EMBED = EV_EMBED,
122 ERROR = EV_ERROR, 68 ERROR = EV_ERROR,
123 }; 69 };
124 70
125 typedef ev_tstamp tstamp; 71 enum
72 {
73 AUTO = EVFLAG_AUTO,
74 NOENV = EVFLAG_NOENV,
75 FORKCHECK = EVFLAG_FORKCHECK,
76 SELECT = EVBACKEND_SELECT,
77 POLL = EVBACKEND_POLL,
78 EPOLL = EVBACKEND_EPOLL,
79 KQUEUE = EVBACKEND_KQUEUE,
80 DEVPOLL = EVBACKEND_DEVPOLL,
81 PORT = EVBACKEND_PORT
82 };
83
84 enum
85 {
86 NONBLOCK = EVLOOP_NONBLOCK,
87 ONESHOT = EVLOOP_ONESHOT
88 };
89
90 enum how_t
91 {
92 ONE = EVUNLOOP_ONE,
93 ALL = EVUNLOOP_ALL
94 };
95
96 template<class ev_watcher, class watcher>
97 struct base : ev_watcher
98 {
99 #if EV_MULTIPLICITY
100 EV_P;
101
102 void set (EV_P)
103 {
104 this->EV_A = EV_A;
105 }
106 #endif
107
108 base ()
109 {
110 ev_init (this, 0);
111 }
112
113 void set_ (void *data, void (*cb)(EV_P_ ev_watcher *w, int revents))
114 {
115 this->data = data;
116 ev_set_cb (static_cast<ev_watcher *>(this), cb);
117 }
118
119 // method callback
120 template<class K, void (K::*method)(watcher &w, int)>
121 void set (K *object)
122 {
123 set_ (object, method_thunk<K, method>);
124 }
125
126 template<class K, void (K::*method)(watcher &w, int)>
127 static void method_thunk (EV_P_ ev_watcher *w, int revents)
128 {
129 K *obj = static_cast<K *>(w->data);
130 (obj->*method) (*static_cast<watcher *>(w), revents);
131 }
132
133 // const method callback
134 template<class K, void (K::*method)(watcher &w, int) const>
135 void set (const K *object)
136 {
137 set_ (object, const_method_thunk<K, method>);
138 }
139
140 template<class K, void (K::*method)(watcher &w, int) const>
141 static void const_method_thunk (EV_P_ ev_watcher *w, int revents)
142 {
143 K *obj = static_cast<K *>(w->data);
144 (static_cast<K *>(w->data)->*method) (*static_cast<watcher *>(w), revents);
145 }
146
147 // function callback
148 template<void (*function)(watcher &w, int)>
149 void set (void *data = 0)
150 {
151 set_ (data, function_thunk<function>);
152 }
153
154 template<void (*function)(watcher &w, int)>
155 static void function_thunk (EV_P_ ev_watcher *w, int revents)
156 {
157 function (*static_cast<watcher *>(w), revents);
158 }
159
160 // simple callback
161 template<class K, void (K::*method)()>
162 void set (K *object)
163 {
164 set_ (object, method_noargs_thunk<K, method>);
165 }
166
167 template<class K, void (K::*method)()>
168 static void method_noargs_thunk (EV_P_ ev_watcher *w, int revents)
169 {
170 K *obj = static_cast<K *>(w->data);
171 (obj->*method) ();
172 }
173
174 void operator ()(int events = EV_UNDEF)
175 {
176 return ev_cb (static_cast<ev_watcher *>(this))
177 (static_cast<ev_watcher *>(this), events);
178 }
179
180 bool is_active () const
181 {
182 return ev_is_active (static_cast<const ev_watcher *>(this));
183 }
184
185 bool is_pending () const
186 {
187 return ev_is_pending (static_cast<const ev_watcher *>(this));
188 }
189 };
190
191 inline void delay (tstamp interval)
192 {
193 ev_sleep (interval);
194 }
195
196 inline int version_major ()
197 {
198 return ev_version_major ();
199 }
200
201 inline int version_minor ()
202 {
203 return ev_version_minor ();
204 }
205
206 inline unsigned int supported_backends ()
207 {
208 return ev_supported_backends ();
209 }
210
211 inline unsigned int recommended_backends ()
212 {
213 return ev_recommended_backends ();
214 }
215
216 inline unsigned int embeddable_backends ()
217 {
218 return ev_embeddable_backends ();
219 }
220
221 inline void set_allocator (void *(*cb)(void *ptr, long size))
222 {
223 ev_set_allocator (cb);
224 }
225
226 inline void set_syserr_cb (void (*cb)(const char *msg))
227 {
228 ev_set_syserr_cb (cb);
229 }
230
126 231
127 inline ev_tstamp now (EV_P) 232 inline ev_tstamp now (EV_P)
128 { 233 {
129 return ev_now (EV_A); 234 return ev_now (EV_A);
130 } 235 }
… …
167 \ 272 \
168 using base<ev_ ## cstem, cppstem>::set; \ 273 using base<ev_ ## cstem, cppstem>::set; \
169 \ 274 \
170 private: \ 275 private: \
171 \ 276 \
172 cppstem (const cppstem &o) \ 277 cppstem (const cppstem &o); \
173 { /* disabled */ } \
174 \ 278 \
175 void operator =(const cppstem &o) { /* disabled */ } \ 279 cppstem & operator =(const cppstem &o); \
176 \ 280 \
177 public: 281 public:
178 282
179 #define EV_END_WATCHER(cppstem,cstem) \ 283 #define EV_END_WATCHER(cppstem,cstem) \
180 }; 284 };

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