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35 | |
35 | |
36 | class io_manager { |
36 | class io_manager { |
37 | vector<pollfd> pfs; |
37 | vector<pollfd> pfs; |
38 | vector<io_watcher *> iow; |
38 | vector<io_watcher *> iow; |
39 | vector<time_watcher *> tw; // actually a heap |
39 | vector<time_watcher *> tw; // actually a heap |
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40 | |
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41 | void idle_cb (tstamp &ts); time_watcher *idle; |
40 | public: |
42 | public: |
41 | |
43 | |
42 | // register a watcher |
44 | // register a watcher |
43 | void reg (int fd, short events, io_watcher *w); |
45 | void reg (int fd, short events, io_watcher *w); |
44 | void unreg (io_watcher *w); |
46 | void unreg (io_watcher *w); |
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88 | R call(A arg) |
90 | R call(A arg) |
89 | { |
91 | { |
90 | return prxy->call (obj, meth, arg); |
92 | return prxy->call (obj, meth, arg); |
91 | } |
93 | } |
92 | |
94 | |
93 | void stop () |
95 | R operator ()(A arg) |
94 | { |
96 | { |
95 | iom.unreg (this); |
97 | return call (arg); |
96 | } |
98 | } |
97 | }; |
99 | }; |
98 | |
100 | |
99 | struct io_watcher : callback<void, short> { |
101 | struct io_watcher : callback<void, short> { |
100 | template<class O1, class O2> |
102 | template<class O1, class O2> |
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105 | void start (int fd, short events) |
107 | void start (int fd, short events) |
106 | { |
108 | { |
107 | iom.reg (fd, events, this); |
109 | iom.reg (fd, events, this); |
108 | } |
110 | } |
109 | |
111 | |
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112 | void stop () |
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113 | { |
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114 | iom.unreg (this); |
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115 | } |
110 | }; |
116 | }; |
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117 | |
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118 | #define TSTAMP_CANCEL -1. |
111 | |
119 | |
112 | struct time_watcher : callback<void, tstamp &> { |
120 | struct time_watcher : callback<void, tstamp &> { |
113 | tstamp at; |
121 | tstamp at; |
114 | |
122 | |
115 | template<class O1, class O2> |
123 | template<class O1, class O2> |
116 | time_watcher (O1 *object, void (O2::*method)(tstamp &)) |
124 | time_watcher (O1 *object, void (O2::*method)(tstamp &)) |
117 | : callback<void, tstamp &>(object,method) |
125 | : callback<void, tstamp &>(object,method) |
118 | { } |
126 | { } |
119 | |
127 | |
120 | void set (tstamp when); |
128 | void set (tstamp when); |
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129 | void trigger (); |
121 | |
130 | |
122 | void trigger () |
131 | void operator ()() |
123 | { |
132 | { |
124 | call (at); |
133 | trigger (); |
125 | } |
134 | } |
126 | |
135 | |
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136 | void start (); |
127 | void start (tstamp when = NOW) |
137 | void start (tstamp when) |
128 | { |
138 | { |
129 | set (when); |
139 | set (when); |
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140 | } |
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141 | |
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142 | void stop () |
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143 | { |
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144 | iom.unreg (this); |
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145 | } |
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146 | |
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147 | void reset (tstamp when = TSTAMP_CANCEL) |
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148 | { |
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149 | stop (); |
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150 | at = when; |
130 | } |
151 | } |
131 | }; |
152 | }; |
132 | |
153 | |
133 | #endif |
154 | #endif |
134 | |
155 | |