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19 | #ifndef VPE_IOM_H__ |
19 | #ifndef VPE_IOM_H__ |
20 | #define VPE_IOM_H__ |
20 | #define VPE_IOM_H__ |
21 | |
21 | |
22 | #include <vector> |
22 | #include <vector> |
23 | |
23 | |
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24 | #include <cassert> |
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25 | |
24 | #include <sys/poll.h> |
26 | #include "poll.h" |
25 | |
27 | |
26 | #include "callback.h" |
28 | #include "callback.h" |
27 | #include "slog.h" |
29 | #include "slog.h" |
28 | |
30 | |
29 | typedef double tstamp; |
31 | typedef double tstamp; |
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53 | |
55 | |
54 | io_manager (); |
56 | io_manager (); |
55 | ~io_manager (); |
57 | ~io_manager (); |
56 | }; |
58 | }; |
57 | |
59 | |
58 | extern io_manager iom; |
60 | extern io_manager iom; // a singleton, together with it's construction/destruction problems. |
59 | |
61 | |
60 | struct io_watcher : callback2<void, io_watcher &, short> { |
62 | struct io_watcher : callback2<void, io_watcher &, short> { |
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63 | bool registered; // already registered? |
61 | int fd; |
64 | int fd; |
62 | short events; |
65 | short events; |
63 | |
66 | |
64 | template<class O1, class O2> |
67 | template<class O1, class O2> |
65 | io_watcher (O1 *object, void (O2::*method)(io_watcher &, short)) |
68 | io_watcher (O1 *object, void (O2::*method)(io_watcher &, short)) |
66 | : callback2<void, io_watcher &, short>(object,method) |
69 | : callback2<void, io_watcher &, short>(object,method) |
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70 | , registered(false) |
67 | { } |
71 | { } |
68 | |
72 | |
69 | ~io_watcher () |
73 | ~io_watcher (); |
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74 | |
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75 | void set(int fd_, short events_); |
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76 | |
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77 | void set(short events_) |
70 | { |
78 | { |
71 | iom.unreg (this); |
79 | set (fd, events_); |
72 | } |
80 | } |
73 | |
81 | |
74 | void start (int fd_, short events_) |
82 | void start (int fd_, short events_) |
75 | { |
83 | { |
76 | fd = fd_; |
84 | set (fd_, events_); |
77 | events = events_; |
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78 | iom.reg (this); |
85 | iom.reg (this); |
79 | } |
86 | } |
80 | |
87 | |
81 | void stop () |
88 | void stop () |
82 | { |
89 | { |
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94 | time_watcher (O1 *object, void (O2::*method)(time_watcher &)) |
101 | time_watcher (O1 *object, void (O2::*method)(time_watcher &)) |
95 | : callback1<void, time_watcher &>(object,method) |
102 | : callback1<void, time_watcher &>(object,method) |
96 | , registered(false) |
103 | , registered(false) |
97 | { } |
104 | { } |
98 | |
105 | |
99 | ~time_watcher () |
106 | ~time_watcher (); |
100 | { |
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101 | iom.unreg (this); |
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102 | } |
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103 | |
107 | |
104 | void set (tstamp when); |
108 | void set (tstamp when); |
105 | void trigger (); |
109 | void trigger (); |
106 | |
110 | |
107 | void operator ()() |
111 | void operator ()() |
108 | { |
112 | { |
109 | trigger (); |
113 | trigger (); |
110 | } |
114 | } |
111 | |
115 | |
112 | void start (); |
116 | void start () |
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117 | { |
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118 | iom.reg (this); |
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119 | } |
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120 | |
113 | void start (tstamp when) |
121 | void start (tstamp when) |
114 | { |
122 | { |
115 | set (when); |
123 | set (when); |
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124 | iom.reg (this); |
116 | } |
125 | } |
117 | |
126 | |
118 | void stop () |
127 | void stop () |
119 | { |
128 | { |
120 | iom.unreg (this); |
129 | iom.unreg (this); |