… | |
… | |
28 | |
28 | |
29 | tstamp NOW; |
29 | tstamp NOW; |
30 | bool iom_valid; |
30 | bool iom_valid; |
31 | io_manager iom; |
31 | io_manager iom; |
32 | |
32 | |
|
|
33 | template<class watcher> |
|
|
34 | void io_manager::reg (watcher *w, simplevec<watcher *> &queue) |
|
|
35 | { |
|
|
36 | if (find (queue.begin (), queue.end (), w) == queue.end ()) |
|
|
37 | queue.push_back (w); |
|
|
38 | } |
|
|
39 | |
|
|
40 | template<class watcher> |
|
|
41 | void io_manager::unreg (watcher *w, simplevec<watcher *> &queue) |
|
|
42 | { |
|
|
43 | queue.erase (find (queue.begin (), queue.end (), w)); |
|
|
44 | } |
|
|
45 | |
|
|
46 | #if IOM_IO |
|
|
47 | io_watcher::~io_watcher () |
|
|
48 | { |
|
|
49 | if (iom_valid) |
|
|
50 | iom.unreg (this); |
|
|
51 | } |
|
|
52 | |
|
|
53 | void io_manager::reg (io_watcher *w) |
|
|
54 | { |
|
|
55 | reg (w, iow); |
|
|
56 | } |
|
|
57 | |
|
|
58 | void io_manager::unreg (io_watcher *w) |
|
|
59 | { |
|
|
60 | unreg (w, iow); |
|
|
61 | } |
|
|
62 | |
|
|
63 | #endif |
|
|
64 | |
|
|
65 | #if IOM_TIME |
33 | void time_watcher::trigger () |
66 | void time_watcher::trigger () |
34 | { |
67 | { |
35 | call (*this); |
68 | call (*this); |
36 | |
69 | |
37 | iom.reg (this); |
70 | iom.reg (this); |
… | |
… | |
39 | |
72 | |
40 | time_watcher::~time_watcher () |
73 | time_watcher::~time_watcher () |
41 | { |
74 | { |
42 | if (iom_valid) |
75 | if (iom_valid) |
43 | iom.unreg (this); |
76 | iom.unreg (this); |
44 | } |
|
|
45 | |
77 | |
46 | io_watcher::~io_watcher () |
78 | at = TSTAMP_CANCEL; |
47 | { |
|
|
48 | if (iom_valid) |
|
|
49 | iom.unreg (this); |
|
|
50 | } |
|
|
51 | |
|
|
52 | void io_manager::reg (io_watcher *w) |
|
|
53 | { |
|
|
54 | if (find (iow.begin (), iow.end (), w) == iow.end ()) |
|
|
55 | iow.push_back (w); |
|
|
56 | } |
|
|
57 | |
|
|
58 | void io_manager::unreg (io_watcher *w) |
|
|
59 | { |
|
|
60 | iow.erase (find (iow.begin (), iow.end (), w)); |
|
|
61 | } |
79 | } |
62 | |
80 | |
63 | void io_manager::reg (time_watcher *w) |
81 | void io_manager::reg (time_watcher *w) |
64 | { |
82 | { |
65 | if (find (tw.begin (), tw.end (), w) == tw.end ()) |
83 | reg (w, tw); |
66 | tw.push_back (w); |
|
|
67 | } |
84 | } |
68 | |
85 | |
69 | void io_manager::unreg (time_watcher *w) |
86 | void io_manager::unreg (time_watcher *w) |
70 | { |
87 | { |
71 | tw.erase (find (tw.begin (), tw.end (), w)); |
88 | unreg (w, tw); |
72 | } |
89 | } |
|
|
90 | #endif |
73 | |
91 | |
|
|
92 | #if IOM_CHECK |
|
|
93 | check_watcher::~check_watcher () |
|
|
94 | { |
|
|
95 | if (iom_valid) |
|
|
96 | iom.unreg (this); |
|
|
97 | } |
|
|
98 | |
|
|
99 | void io_manager::reg (check_watcher *w) |
|
|
100 | { |
|
|
101 | reg (w, cw); |
|
|
102 | } |
|
|
103 | |
|
|
104 | void io_manager::unreg (check_watcher *w) |
|
|
105 | { |
|
|
106 | unreg (w, cw); |
|
|
107 | } |
|
|
108 | #endif |
|
|
109 | |
|
|
110 | #if IOM_IDLE |
|
|
111 | idle_watcher::~idle_watcher () |
|
|
112 | { |
|
|
113 | if (iom_valid) |
|
|
114 | iom.unreg (this); |
|
|
115 | } |
|
|
116 | |
|
|
117 | void io_manager::reg (idle_watcher *w) |
|
|
118 | { |
|
|
119 | reg (w, iw); |
|
|
120 | } |
|
|
121 | |
|
|
122 | void io_manager::unreg (idle_watcher *w) |
|
|
123 | { |
|
|
124 | unreg (w, iw); |
|
|
125 | } |
|
|
126 | #endif |
|
|
127 | |
|
|
128 | #if IOM_TIME |
74 | inline void set_now (void) |
129 | inline void set_now (void) |
75 | { |
130 | { |
76 | struct timeval tv; |
131 | struct timeval tv; |
77 | |
132 | |
78 | gettimeofday (&tv, 0); |
133 | gettimeofday (&tv, 0); |
79 | |
134 | |
80 | NOW = (tstamp)tv.tv_sec + (tstamp)tv.tv_usec / 1000000; |
135 | NOW = (tstamp)tv.tv_sec + (tstamp)tv.tv_usec / 1000000; |
|
|
136 | #endif |
81 | } |
137 | } |
82 | |
138 | |
83 | void io_manager::loop () |
139 | void io_manager::loop () |
84 | { |
140 | { |
|
|
141 | #if IOM_TIME |
85 | set_now (); |
142 | set_now (); |
|
|
143 | #endif |
86 | |
144 | |
87 | for (;;) |
145 | for (;;) |
88 | { |
146 | { |
89 | time_watcher *w; |
147 | struct timeval *to = 0; |
|
|
148 | struct timeval tval; |
90 | |
149 | |
91 | for (;;) |
150 | #if IOM_IDLE |
|
|
151 | if (iw.size ()) |
92 | { |
152 | { |
93 | w = tw[0]; |
153 | tval.tv_sec = 0; |
94 | |
154 | tval.tv_usec = 0; |
95 | for (time_watcher **i = tw.begin (); i != tw.end (); ++i) |
155 | to = &tval; |
96 | if ((*i)->at < w->at) |
|
|
97 | w = *i; |
|
|
98 | |
|
|
99 | if (w->at > NOW) |
|
|
100 | break; |
|
|
101 | |
|
|
102 | // call it |
|
|
103 | w->call (*w); |
|
|
104 | |
|
|
105 | // re-add it if necessary |
|
|
106 | if (w->at >= 0) |
|
|
107 | reg (w); |
|
|
108 | } |
156 | } |
|
|
157 | else |
|
|
158 | #endif |
|
|
159 | { |
|
|
160 | #if IOM_TIME |
|
|
161 | time_watcher *w; |
109 | |
162 | |
110 | struct timeval to; |
163 | for (;tw.size ();) |
|
|
164 | { |
|
|
165 | w = tw[0]; |
|
|
166 | |
|
|
167 | for (time_watcher **i = tw.begin (); i < tw.end (); ++i) |
|
|
168 | if ((*i)->at < w->at) |
|
|
169 | w = *i; |
|
|
170 | |
|
|
171 | if (w->at > NOW) |
|
|
172 | { |
111 | double diff = w->at - NOW; |
173 | double diff = w->at - NOW; |
112 | to.tv_sec = (int)diff; |
174 | tval.tv_sec = (int)diff; |
113 | to.tv_usec = (int)((diff - to.tv_sec) * 1000000); |
175 | tval.tv_usec = (int)((diff - tval.tv_sec) * 1000000); |
|
|
176 | to = &tval; |
|
|
177 | break; |
|
|
178 | } |
|
|
179 | else if (w->at >= 0) |
|
|
180 | w->call (*w); |
|
|
181 | else |
|
|
182 | unreg (w); |
|
|
183 | } |
|
|
184 | #endif |
|
|
185 | } |
114 | |
186 | |
|
|
187 | #if IOM_CHECK |
|
|
188 | for (int i = 0; i < cw.size (); ++i) |
|
|
189 | cw[i]->call (*cw[i]); |
|
|
190 | #endif |
|
|
191 | |
|
|
192 | #if IOM_IO |
115 | fd_set rfd, wfd; |
193 | fd_set rfd, wfd; |
116 | |
194 | |
117 | FD_ZERO (&rfd); |
195 | FD_ZERO (&rfd); |
118 | FD_ZERO (&wfd); |
196 | FD_ZERO (&wfd); |
119 | |
197 | |
… | |
… | |
122 | for (io_watcher **w = iow.begin (); w < iow.end (); ++w) |
200 | for (io_watcher **w = iow.begin (); w < iow.end (); ++w) |
123 | { |
201 | { |
124 | if ((*w)->events & EVENT_READ ) FD_SET ((*w)->fd, &rfd); |
202 | if ((*w)->events & EVENT_READ ) FD_SET ((*w)->fd, &rfd); |
125 | if ((*w)->events & EVENT_WRITE) FD_SET ((*w)->fd, &wfd); |
203 | if ((*w)->events & EVENT_WRITE) FD_SET ((*w)->fd, &wfd); |
126 | |
204 | |
127 | if ((*w)->fd > fds) fds = (*w)->fd; |
205 | if ((*w)->fd >= fds) fds = (*w)->fd + 1; |
128 | } |
206 | } |
129 | |
207 | |
|
|
208 | if (!to && !fds) |
|
|
209 | break; // no events |
|
|
210 | |
130 | fds = select (fds + 1, &rfd, &wfd, 0, &to); |
211 | fds = select (fds, &rfd, &wfd, 0, to); |
131 | |
212 | # if IOM_TIME |
132 | set_now (); |
213 | set_now (); |
|
|
214 | # endif |
133 | |
215 | |
134 | if (fds > 0) |
216 | if (fds > 0) |
135 | for (io_watcher **w = iow.begin (); w < iow.end (); ++w) |
217 | for (int i = 0; i < iow.size (); ++i) |
136 | { |
218 | { |
|
|
219 | io_watcher *w = iow[i]; |
|
|
220 | |
137 | short revents = (*w)->events; |
221 | short revents = w->events; |
138 | |
222 | |
139 | if (!FD_ISSET ((*w)->fd, &rfd)) revents &= ~EVENT_READ; |
223 | if (!FD_ISSET (w->fd, &rfd)) revents &= ~EVENT_READ; |
140 | if (!FD_ISSET ((*w)->fd, &wfd)) revents &= ~EVENT_WRITE; |
224 | if (!FD_ISSET (w->fd, &wfd)) revents &= ~EVENT_WRITE; |
141 | |
225 | |
142 | if (revents) |
226 | if (revents) |
143 | (*w)->call (**w, revents); |
227 | w->call (*w, revents); |
144 | } |
228 | } |
|
|
229 | #if IOM_IDLE |
|
|
230 | else if (iw.size ()) |
|
|
231 | for (int i = 0; i < iw.size (); ++i) |
|
|
232 | iw[i]->call (*iw[i]); |
|
|
233 | #endif |
|
|
234 | |
|
|
235 | #elif IOM_TIME |
|
|
236 | if (!to) |
|
|
237 | break; |
|
|
238 | |
|
|
239 | select (0, 0, 0, 0, &to); |
|
|
240 | set_now (); |
|
|
241 | #else |
|
|
242 | break; |
|
|
243 | #endif |
145 | } |
244 | } |
146 | } |
245 | } |
147 | |
246 | |
148 | void io_manager::idle_cb (time_watcher &w) |
|
|
149 | { |
|
|
150 | w.at = NOW + 1000000000; |
|
|
151 | } |
|
|
152 | |
|
|
153 | io_manager::io_manager () |
247 | io_manager::io_manager () |
154 | { |
248 | { |
|
|
249 | #if IOM_TIME |
155 | set_now (); |
250 | set_now (); |
|
|
251 | #endif |
156 | |
252 | |
157 | iom_valid = true; |
253 | iom_valid = true; |
158 | |
|
|
159 | idle = new time_watcher (this, &io_manager::idle_cb); |
|
|
160 | idle->start (0); |
|
|
161 | } |
254 | } |
162 | |
255 | |
163 | io_manager::~io_manager () |
256 | io_manager::~io_manager () |
164 | { |
257 | { |
165 | iom_valid = false; |
258 | iom_valid = false; |