| … | |
… | |
| 35 | |
35 | |
| 36 | io_manager iom; |
36 | io_manager iom; |
| 37 | |
37 | |
| 38 | void time_watcher::set (tstamp when) |
38 | void time_watcher::set (tstamp when) |
| 39 | { |
39 | { |
| 40 | iom.unreg (this); |
|
|
| 41 | at = when; |
40 | at = when; |
|
|
41 | |
|
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42 | if (registered) |
|
|
43 | iom.reschedule_time_watchers (); |
|
|
44 | else |
| 42 | iom.reg (this); |
45 | iom.reg (this); |
| 43 | } |
46 | } |
| 44 | |
47 | |
| 45 | void time_watcher::trigger () |
48 | void time_watcher::trigger () |
| 46 | { |
49 | { |
| 47 | iom.unreg (this); |
|
|
| 48 | call (at); |
50 | call (at); |
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51 | |
|
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52 | if (registered) |
|
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53 | iom.reschedule_time_watchers (); |
|
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54 | else |
| 49 | iom.reg (this); |
55 | iom.reg (this); |
| 50 | } |
56 | } |
| 51 | |
57 | |
| 52 | void time_watcher::start () |
58 | void time_watcher::start () |
| 53 | { |
59 | { |
| 54 | iom.unreg (this); |
60 | if (!registered) |
| 55 | iom.reg (this); |
61 | iom.reg (this); |
| 56 | } |
62 | } |
| 57 | |
63 | |
| 58 | void io_manager::reg (int fd, short events, io_watcher *w) |
64 | void io_manager::reg (int fd, short events, io_watcher *w) |
| 59 | { |
65 | { |
| 60 | pollfd pfd; |
66 | pollfd pfd; |
| … | |
… | |
| 89 | pfs[i] = pfs[sz - 1]; pfs.pop_back (); |
95 | pfs[i] = pfs[sz - 1]; pfs.pop_back (); |
| 90 | } |
96 | } |
| 91 | } |
97 | } |
| 92 | } |
98 | } |
| 93 | |
99 | |
|
|
100 | void io_manager::reschedule_time_watchers () |
|
|
101 | { |
|
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102 | make_heap (tw.begin (), tw.end (), lowest_first); |
|
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103 | } |
|
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104 | |
| 94 | void io_manager::reg (time_watcher *w) |
105 | void io_manager::reg (time_watcher *w) |
| 95 | { |
106 | { |
|
|
107 | if (w->registered) |
|
|
108 | slog (L_CRIT, "FATAL: io_manager::reg(time_watcher) called on already-registered watcher"); |
|
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109 | |
| 96 | tw.push_back (w); |
110 | tw.push_back (w); |
| 97 | push_heap (tw.begin (), tw.end (), lowest_first); |
111 | push_heap (tw.begin (), tw.end (), lowest_first); |
| 98 | } |
112 | } |
| 99 | |
113 | |
| 100 | void io_manager::unreg (const time_watcher *w) |
114 | void io_manager::unreg (const time_watcher *w) |
| … | |
… | |
| 106 | { |
120 | { |
| 107 | if (i != sz - 1) |
121 | if (i != sz - 1) |
| 108 | tw[i] = tw[sz - 1]; |
122 | tw[i] = tw[sz - 1]; |
| 109 | |
123 | |
| 110 | tw.pop_back (); |
124 | tw.pop_back (); |
| 111 | make_heap (tw.begin (), tw.end (), lowest_first); |
125 | reschedule_time_watchers (); |
| 112 | } |
126 | } |
| 113 | } |
127 | } |
| 114 | |
128 | |
| 115 | inline void set_now (void) |
129 | inline void set_now (void) |
| 116 | { |
130 | { |
| … | |
… | |
| 129 | { |
143 | { |
| 130 | while (tw[0]->at <= NOW) |
144 | while (tw[0]->at <= NOW) |
| 131 | { |
145 | { |
| 132 | pop_heap (tw.begin (), tw.end (), lowest_first); |
146 | pop_heap (tw.begin (), tw.end (), lowest_first); |
| 133 | time_watcher *w = *(tw.end () - 1); |
147 | time_watcher *w = *(tw.end () - 1); |
|
|
148 | tw.pop_back (); |
| 134 | |
149 | |
| 135 | if (w->at >= 0) |
150 | if (w->at >= 0) |
| 136 | { |
151 | { |
| 137 | w->call (w->at); |
152 | w->call (w->at); |
| 138 | push_heap (tw.begin (), tw.end (), lowest_first); |
153 | |
|
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154 | if (!w->registered) |
|
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155 | reg (w); |
| 139 | } |
156 | } |
| 140 | else |
|
|
| 141 | tw.pop_back (); |
|
|
| 142 | } |
157 | } |
| 143 | |
158 | |
| 144 | int timeout = (int) ((tw[0]->at - NOW) * 1000); |
159 | int timeout = (int) ((tw[0]->at - NOW) * 1000); |
| 145 | |
160 | |
| 146 | int fds = poll (&pfs[0], pfs.size (), timeout); |
161 | int fds = poll (&pfs[0], pfs.size (), timeout); |
