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Comparing gvpe/src/iom.h (file contents):
Revision 1.9 by pcg, Wed Apr 2 05:15:00 2003 UTC vs.
Revision 1.13 by pcg, Tue Oct 14 17:24:19 2003 UTC

… …
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
24#include <cassert>
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
29typedef double tstamp; 31typedef double tstamp;
… …
33struct io_watcher; 35struct io_watcher;
34struct time_watcher; 36struct time_watcher;
35 37
36class io_manager { 38class io_manager {
37 vector<pollfd> pfs; 39 vector<pollfd> pfs;
38 vector<const io_watcher *> iow; 40 vector<io_watcher *> iow;
39 vector<time_watcher *> tw; // actually a heap 41 vector<time_watcher *> tw; // actually a heap
40 42
41 void idle_cb (tstamp &ts); time_watcher *idle; 43 void idle_cb (time_watcher &w); time_watcher *idle;
42public: 44public:
43 45
44 void reschedule_time_watchers (); 46 void reschedule_time_watchers ();
45 47
46 // register a watcher 48 // register a watcher
47 void reg (int fd, short events, io_watcher *w); 49 void reg (io_watcher *w);
48 void unreg (io_watcher *w); 50 void unreg (io_watcher *w);
49 void reg (time_watcher *w); 51 void reg (time_watcher *w);
50 void unreg (time_watcher *w); 52 void unreg (time_watcher *w);
51 53
52 void loop (); 54 void loop ();
53 55
54 io_manager (); 56 io_manager ();
55 ~io_manager (); 57 ~io_manager ();
56}; 58};
57 59
58extern io_manager iom; 60extern io_manager iom; // a singleton, together with it's construction/destruction problems.
59 61
60struct io_watcher : callback2<void, int, short> { 62struct io_watcher : callback2<void, io_watcher &, short> {
63 bool registered; // already registered?
64 int fd;
65 short events;
66
61 template<class O1, class O2> 67 template<class O1, class O2>
62 io_watcher (O1 *object, void (O2::*method)(int fd, short revents)) 68 io_watcher (O1 *object, void (O2::*method)(io_watcher &, short))
63 : callback2<void, int, short>(object,method) 69 : callback2<void, io_watcher &, short>(object,method)
70 , registered(false)
64 { } 71 { }
65 72
66 ~io_watcher () 73 ~io_watcher ();
74
75 void set(int fd_, short events_);
76
77 void set(short events_)
67 { 78 {
68 iom.unreg (this); 79 set (fd, events_);
69 } 80 }
70 81
71 void start (int fd, short events) 82 void start (int fd_, short events_)
72 { 83 {
84 set (fd_, events_);
73 iom.reg (fd, events, this); 85 iom.reg (this);
74 } 86 }
75 87
76 void stop () 88 void stop ()
77 { 89 {
78 iom.unreg (this); 90 iom.unreg (this);
79 } 91 }
80}; 92};
81 93
82#define TSTAMP_CANCEL -1. 94#define TSTAMP_CANCEL -1.
83 95
84struct time_watcher : callback1<void, tstamp &> { 96struct time_watcher : callback1<void, time_watcher &> {
85 bool registered; // already registered? 97 bool registered; // already registered?
86 tstamp at; 98 tstamp at;
87 99
88 template<class O1, class O2> 100 template<class O1, class O2>
89 time_watcher (O1 *object, void (O2::*method)(tstamp &)) 101 time_watcher (O1 *object, void (O2::*method)(time_watcher &))
90 : callback1<void, tstamp &>(object,method) 102 : callback1<void, time_watcher &>(object,method)
91 , registered(false) 103 , registered(false)
92 { } 104 { }
93 105
94 ~time_watcher () 106 ~time_watcher ();
95 {
96 iom.unreg (this);
97 }
98 107
99 void set (tstamp when); 108 void set (tstamp when);
100 void trigger (); 109 void trigger ();
101 110
102 void operator ()() 111 void operator ()()
103 { 112 {
104 trigger (); 113 trigger ();
105 } 114 }
106 115
107 void start (); 116 void start ()
117 {
118 iom.reg (this);
119 }
120
108 void start (tstamp when) 121 void start (tstamp when)
109 { 122 {
110 set (when); 123 set (when);
124 iom.reg (this);
111 } 125 }
112 126
113 void stop () 127 void stop ()
114 { 128 {
115 iom.unreg (this); 129 iom.unreg (this);

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