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/cvs/libev/ev++.h
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Comparing libev/ev++.h (file contents):
Revision 1.1 by root, Sat Nov 10 21:19:30 2007 UTC vs.
Revision 1.8 by root, Tue Nov 27 08:20:41 2007 UTC

1#ifndef EVPP_H__ 1#ifndef EVPP_H__
2#define EVPP_H__ 2#define EVPP_H__
3 3
4/* work in progress, don't use unless you know what you are doing */ 4#include "ev.h"
5 5
6namespace ev { 6namespace ev {
7 7
8 template<class watcher> 8 template<class watcher>
9 class callback 9 class callback
… …
42 { 42 {
43 return prxy->call (obj, meth, *w, e); 43 return prxy->call (obj, meth, *w, e);
44 } 44 }
45 }; 45 };
46 46
47 #include "ev.h" 47 enum {
48 UNDEF = EV_UNDEF,
49 NONE = EV_NONE,
50 READ = EV_READ,
51 WRITE = EV_WRITE,
52 TIMEOUT = EV_TIMEOUT,
53 PERIODIC = EV_PERIODIC,
54 SIGNAL = EV_SIGNAL,
55 IDLE = EV_IDLE,
56 CHECK = EV_CHECK,
57 PREPARE = EV_PREPARE,
58 CHILD = EV_CHILD,
59 ERROR = EV_ERROR,
60 };
48 61
49 typedef ev_tstamp tstamp; 62 typedef ev_tstamp tstamp;
50 63
51 inline ev_tstamp now (EV_P) 64 inline ev_tstamp now (EV_P)
52 { 65 {
… …
76 89
77 #endif 90 #endif
78 91
79 /* using a template here would require quite a bit more lines, 92 /* using a template here would require quite a bit more lines,
80 * so a macro solution was chosen */ 93 * so a macro solution was chosen */
81 #define EV_DECLARE_WATCHER(cppstem,cstem) \ 94 #define EV_BEGIN_WATCHER(cppstem,cstem) \
82 \
83 extern "C" void cb_ ## cppstem (struct ev_ ## cstem *w, int revents); \
84 \ 95 \
85 struct cppstem : ev_ ## cstem, callback<cppstem> \ 96 struct cppstem : ev_ ## cstem, callback<cppstem> \
86 { \ 97 { \
87 EV_CONSTRUCT (cppstem) \ 98 EV_CONSTRUCT (cppstem) \
88 { \ 99 { \
89 ev_init (static_cast<ev_ ## cstem *>(this), cb_ ## cppstem); \ 100 ev_init (static_cast<ev_ ## cstem *>(this), thunk); \
90 } \ 101 } \
91 \ 102 \
92 bool is_active () const \ 103 bool is_active () const \
93 { \ 104 { \
94 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \ 105 return ev_is_active (static_cast<const ev_ ## cstem *>(this)); \
… …
110 } \ 121 } \
111 \ 122 \
112 void operator ()(int events = EV_UNDEF) \ 123 void operator ()(int events = EV_UNDEF) \
113 { \ 124 { \
114 return call (this, events); \ 125 return call (this, events); \
126 } \
127 \
128 ~cppstem () \
129 { \
130 stop (); \
115 } \ 131 } \
116 \ 132 \
117 private: \ 133 private: \
118 \ 134 \
119 cppstem (const cppstem &o) \ 135 cppstem (const cppstem &o) \
120 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \ 136 : callback<cppstem> (this, (void (cppstem::*)(cppstem &, int))0) \
121 { /* disabled */ } \ 137 { /* disabled */ } \
138 \
122 void operator =(const cppstem &o) { /* disabled */ } \ 139 void operator =(const cppstem &o) { /* disabled */ } \
123 \ 140 \
141 static void thunk (EV_P_ struct ev_ ## cstem *w, int revents) \
142 { \
143 (*static_cast<cppstem *>(w))(revents); \
144 } \
145 \
124 public: 146 public:
125 147
148 #define EV_END_WATCHER(cppstem,cstem) \
149 };
150
126 EV_DECLARE_WATCHER (io, io) 151 EV_BEGIN_WATCHER (io, io)
127 void set (int fd, int events) 152 void set (int fd, int events)
128 { 153 {
129 int active = is_active (); 154 int active = is_active ();
130 if (active) stop (); 155 if (active) stop ();
131 ev_io_set (static_cast<ev_io *>(this), fd, events); 156 ev_io_set (static_cast<ev_io *>(this), fd, events);
… …
143 void start (int fd, int events) 168 void start (int fd, int events)
144 { 169 {
145 set (fd, events); 170 set (fd, events);
146 start (); 171 start ();
147 } 172 }
148 }; 173 EV_END_WATCHER (io, io)
149 174
150 EV_DECLARE_WATCHER (timer, timer) 175 EV_BEGIN_WATCHER (timer, timer)
151 void set (ev_tstamp after, ev_tstamp repeat = 0.) 176 void set (ev_tstamp after, ev_tstamp repeat = 0.)
152 { 177 {
153 int active = is_active (); 178 int active = is_active ();
154 if (active) stop (); 179 if (active) stop ();
155 ev_timer_set (static_cast<ev_timer *>(this), after, repeat); 180 ev_timer_set (static_cast<ev_timer *>(this), after, repeat);
… …
164 189
165 void again () 190 void again ()
166 { 191 {
167 ev_timer_again (EV_A_ static_cast<ev_timer *>(this)); 192 ev_timer_again (EV_A_ static_cast<ev_timer *>(this));
168 } 193 }
169 }; 194 EV_END_WATCHER (timer, timer)
170 195
196 #if EV_PERIODIC_ENABLE
171 EV_DECLARE_WATCHER (periodic, periodic) 197 EV_BEGIN_WATCHER (periodic, periodic)
172 void set (ev_tstamp at, ev_tstamp interval = 0.) 198 void set (ev_tstamp at, ev_tstamp interval = 0.)
173 { 199 {
174 int active = is_active (); 200 int active = is_active ();
175 if (active) stop (); 201 if (active) stop ();
176 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0); 202 ev_periodic_set (static_cast<ev_periodic *>(this), at, interval, 0);
… …
185 211
186 void again () 212 void again ()
187 { 213 {
188 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this)); 214 ev_periodic_again (EV_A_ static_cast<ev_periodic *>(this));
189 } 215 }
190 }; 216 EV_END_WATCHER (periodic, periodic)
217 #endif
191 218
192 EV_DECLARE_WATCHER (idle, idle)
193 };
194
195 EV_DECLARE_WATCHER (prepare, prepare)
196 };
197
198 EV_DECLARE_WATCHER (check, check)
199 };
200
201 EV_DECLARE_WATCHER (sig, signal) 219 EV_BEGIN_WATCHER (sig, signal)
202 void set (int signum) 220 void set (int signum)
203 { 221 {
204 int active = is_active (); 222 int active = is_active ();
205 if (active) stop (); 223 if (active) stop ();
206 ev_signal_set (static_cast<ev_signal *>(this), signum); 224 ev_signal_set (static_cast<ev_signal *>(this), signum);
… …
210 void start (int signum) 228 void start (int signum)
211 { 229 {
212 set (signum); 230 set (signum);
213 start (); 231 start ();
214 } 232 }
215 }; 233 EV_END_WATCHER (sig, signal)
216 234
217 EV_DECLARE_WATCHER (child, child) 235 EV_BEGIN_WATCHER (child, child)
218 void set (int pid) 236 void set (int pid)
219 { 237 {
220 int active = is_active (); 238 int active = is_active ();
221 if (active) stop (); 239 if (active) stop ();
222 ev_child_set (static_cast<ev_child *>(this), pid); 240 ev_child_set (static_cast<ev_child *>(this), pid);
… …
226 void start (int pid) 244 void start (int pid)
227 { 245 {
228 set (pid); 246 set (pid);
229 start (); 247 start ();
230 } 248 }
231 }; 249 EV_END_WATCHER (child, child)
250
251 #if EV_STAT_ENABLE
252 EV_BEGIN_WATCHER (stat, stat)
253 void set (const char *path, ev_tstamp interval = 0.)
254 {
255 int active = is_active ();
256 if (active) stop ();
257 ev_stat_set (static_cast<ev_stat *>(this), path, interval);
258 if (active) start ();
259 }
260
261 void start (const char *path, ev_tstamp interval = 0.)
262 {
263 set (path, interval);
264 start ();
265 }
266
267 void update ()
268 {
269 ev_stat_stat (EV_A_ static_cast<ev_stat *>(this));
270 }
271 EV_END_WATCHER (stat, stat)
272 #endif
273
274 EV_BEGIN_WATCHER (idle, idle)
275 void set () { }
276 EV_END_WATCHER (idle, idle)
277
278 EV_BEGIN_WATCHER (prepare, prepare)
279 void set () { }
280 EV_END_WATCHER (prepare, prepare)
281
282 EV_BEGIN_WATCHER (check, check)
283 void set () { }
284 EV_END_WATCHER (check, check)
285
286 #if EV_EMBED_ENABLE
287 EV_BEGIN_WATCHER (embed, embed)
288 void set (struct ev_loop *loop)
289 {
290 int active = is_active ();
291 if (active) stop ();
292 ev_embed_set (static_cast<ev_embed *>(this), loop);
293 if (active) start ();
294 }
295
296 void start (struct ev_loop *embedded_loop)
297 {
298 set (embedded_loop);
299 start ();
300 }
301
302 void sweep ()
303 {
304 ev_embed_sweep (EV_A_ static_cast<ev_embed *>(this));
305 }
306 EV_END_WATCHER (embed, embed)
307 #endif
232 308
233 #undef EV_CONSTRUCT 309 #undef EV_CONSTRUCT
310 #undef EV_BEGIN_WATCHER
234 #undef EV_DECLARE_WATCHER 311 #undef EV_END_WATCHER
235} 312}
236 313
237#endif 314#endif
238 315

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