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Comparing gvpe/src/iom.h (file contents):
Revision 1.2 by pcg, Fri Mar 21 21:17:02 2003 UTC vs.
Revision 1.5 by pcg, Wed Mar 26 01:58:46 2003 UTC

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:
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 (const io_watcher *w);
45 void reg (time_watcher *w); 47 void reg (time_watcher *w);
46 void unreg (time_watcher *w); 48 void unreg (const time_watcher *w);
47 49
48 void loop (); 50 void loop ();
49 51
50 io_manager (); 52 io_manager ();
51 ~io_manager (); 53 ~io_manager ();
60 void *obj; 62 void *obj;
61 R (object::*meth)(A arg); 63 R (object::*meth)(A arg);
62 64
63 // a proxy is a kind of recipe on how to call a specific class method 65 // a proxy is a kind of recipe on how to call a specific class method
64 struct proxy_base { 66 struct proxy_base {
65 virtual R call (void *obj, void (object::*meth)(A), A arg) = 0; 67 virtual R call (void *obj, R (object::*meth)(A), A arg) = 0;
66 }; 68 };
67 template<class O1, class O2> 69 template<class O1, class O2>
68 struct proxy : proxy_base { 70 struct proxy : proxy_base {
69 virtual R call (void *obj, void (object::*meth)(A), A arg) 71 virtual R call (void *obj, R (object::*meth)(A), A arg)
70 { 72 {
71 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<void (O2::*)(A)>(meth))) 73 ((reinterpret_cast<O1 *>(obj)) ->* (reinterpret_cast<R (O2::*)(A)>(meth)))
72 (arg); 74 (arg);
73 } 75 }
74 }; 76 };
75 77
76 proxy_base *prxy; 78 proxy_base *prxy;
77 79
78public: 80public:
79 template<class O1, class O2> 81 template<class O1, class O2>
80 callback (O1 *object, void (O2::*method)(A)) 82 callback (O1 *object, R (O2::*method)(A))
81 { 83 {
82 static proxy<O1,O2> p; 84 static proxy<O1,O2> p;
83 obj = reinterpret_cast<void *>(object); 85 obj = reinterpret_cast<void *>(object);
84 meth = reinterpret_cast<void (object::*)(A)>(method); 86 meth = reinterpret_cast<R (object::*)(A)>(method);
85 prxy = &p; 87 prxy = &p;
86 } 88 }
87 89
88 R call(A arg) 90 R call(A arg) const
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) const
94 { 96 {
95 iom.unreg (this); 97 return call (arg);
96 } 98 }
97}; 99};
98 100
99struct io_watcher : callback<void, short> { 101struct io_watcher : callback<void, short> {
100 template<class O1, class O2> 102 template<class O1, class O2>
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
112 void stop () const
113 {
114 iom.unreg (this);
115 }
110}; 116};
117
118#define TSTAMP_CANCEL -1.
111 119
112struct time_watcher : callback<void, tstamp &> { 120struct 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);
129 void trigger ();
121 130
122 void trigger () 131 void operator ()()
123 { 132 {
124 call (at); 133 trigger ();
125 } 134 }
126 135
136 void start ();
127 void start (tstamp when) 137 void start (tstamp when)
128 { 138 {
129 set (when); 139 set (when);
140 }
141
142 void stop () const
143 {
144 iom.unreg (this);
145 }
146
147 void reset (tstamp when = TSTAMP_CANCEL)
148 {
149 stop ();
150 at = when;
130 } 151 }
131}; 152};
132 153
133#endif 154#endif
134 155

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