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Comparing gvpe/src/iom.h (file contents):
Revision 1.1 by pcg, Fri Mar 21 20:33:36 2003 UTC vs.
Revision 1.6 by pcg, Fri Mar 28 04:05:10 2003 UTC

… …
23 23
24#include <sys/poll.h> 24#include <sys/poll.h>
25 25
26#include "slog.h" 26#include "slog.h"
27 27
28typedef double timestamp; 28typedef double tstamp;
29 29
30extern timestamp NOW; 30extern tstamp NOW;
31 31
32template<class R, class A> class callback; 32template<class R, class A> class callback;
33struct io_watcher; 33struct io_watcher;
34struct time_watcher; 34struct time_watcher;
35 35
36class io_manager { 36class io_manager {
37 vector<pollfd> pfs; 37 vector<pollfd> pfs;
38 vector<io_watcher *> iow; 38 vector<const io_watcher *> iow;
39 vector<time_watcher *> tw; // actually a heap 39 vector<time_watcher *> tw; // actually a heap
40
41 void idle_cb (tstamp &ts); time_watcher *idle;
40public: 42public:
43
44 void reschedule_time_watchers ();
41 45
42 // register a watcher 46 // register a watcher
43 void reg (int fd, short events, io_watcher *w); 47 void reg (int fd, short events, io_watcher *w);
44 void unreg (io_watcher *w); 48 void unreg (const io_watcher *w);
45 void reg (time_watcher *w); 49 void reg (time_watcher *w);
46 void unreg (time_watcher *w); 50 void unreg (const time_watcher *w);
47 51
48 void loop (); 52 void loop ();
49 53
50 io_manager (); 54 io_manager ();
51 ~io_manager (); 55 ~io_manager ();
… …
60 void *obj; 64 void *obj;
61 R (object::*meth)(A arg); 65 R (object::*meth)(A arg);
62 66
63 // a proxy is a kind of recipe on how to call a specific class method 67 // a proxy is a kind of recipe on how to call a specific class method
64 struct proxy_base { 68 struct proxy_base {
65 virtual R call (void *obj, void (object::*meth)(A), A arg) = 0; 69 virtual R call (void *obj, R (object::*meth)(A), A arg) = 0;
66 }; 70 };
67 template<class O1, class O2> 71 template<class O1, class O2>
68 struct proxy : proxy_base { 72 struct proxy : proxy_base {
69 virtual R call (void *obj, void (object::*meth)(A), A arg) 73 virtual R call (void *obj, R (object::*meth)(A), A arg)
70 { 74 {
71 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(A)>(meth))) 75 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A)>(meth)))
72 (arg); 76 (arg);
73 } 77 }
74 }; 78 };
75 79
76 proxy_base *prxy; 80 proxy_base *prxy;
77 81
78public: 82public:
79 template<class O1, class O2> 83 template<class O1, class O2>
80 callback (O1 *object, void (O2::*method)(A)) 84 callback (O1 *object, R (O2::*method)(A))
81 { 85 {
82 static proxy<O1,O2> p; 86 static proxy<O1,O2> p;
83 obj = reinterpret_cast<void *>(object); 87 obj = reinterpret_cast<void *>(object);
84 meth = reinterpret_cast<void (object::*)(A)>(method); 88 meth = reinterpret_cast<R (object::*)(A)>(method);
85 prxy = &p; 89 prxy = &p;
86 } 90 }
87 91
88 R call(A arg) 92 R call(A arg) const
89 { 93 {
90 return prxy->call (obj, meth, arg); 94 return prxy->call (obj, meth, arg);
95 }
96
97 R operator ()(A arg) const
98 {
99 return call (arg);
91 } 100 }
92}; 101};
93 102
94struct io_watcher : callback<void, short> { 103struct io_watcher : callback<void, short> {
95 template<class O1, class O2> 104 template<class O1, class O2>
96 io_watcher (int fd, short events, O1 *object, void (O2::*method)(short revents)) 105 io_watcher (O1 *object, void (O2::*method)(short revents))
97 : callback<void, short>(object,method) 106 : callback<void, short>(object,method)
98 { 107 { }
99 iom.reg (fd, events, this);
100 }
101 108
102 ~io_watcher () 109 ~io_watcher ()
103 { 110 {
104 iom.unreg (this); 111 iom.unreg (this);
105 } 112 }
113
114 void start (int fd, short events)
115 {
116 iom.reg (fd, events, this);
117 }
118
119 void stop () const
120 {
121 iom.unreg (this);
122 }
106}; 123};
107 124
108struct time_watcher : callback<void, timestamp &> { 125#define TSTAMP_CANCEL -1.
109 timestamp at;
110 126
111 void set (timestamp when); 127struct time_watcher : callback<void, tstamp &> {
128 bool registered; // already registered?
129 tstamp at;
112 130
113 template<class O1, class O2> 131 template<class O1, class O2>
114 time_watcher (timestamp when, O1 *object, void (O2::*method)(timestamp &)) 132 time_watcher (O1 *object, void (O2::*method)(tstamp &))
115 : callback<void, timestamp &>(object,method) 133 : callback<void, tstamp &>(object,method)
116 , at(when) 134 , registered(false)
117 { 135 { }
118 iom.reg (this);
119 }
120 136
121 ~time_watcher () 137 ~time_watcher ()
122 { 138 {
123 iom.unreg (this); 139 iom.unreg (this);
124 } 140 }
141
142 void set (tstamp when);
143 void trigger ();
144
145 void operator ()()
146 {
147 trigger ();
148 }
149
150 void start ();
151 void start (tstamp when)
152 {
153 set (when);
154 }
155
156 void stop () const
157 {
158 iom.unreg (this);
159 }
160
161 void reset (tstamp when = TSTAMP_CANCEL)
162 {
163 stop ();
164 at = when;
165 }
125}; 166};
126 167
127#endif 168#endif
128 169

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