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Comparing gvpe/src/iom.h (file contents):
Revision 1.30 by pcg, Wed Jan 11 21:27:05 2006 UTC vs.
Revision 1.31 by pcg, Thu Jan 19 20:16:06 2006 UTC

1/* 1/*
2 iom.h -- generic I/O multiplexer 2 iom.h -- generic I/O multiplexer
3 Copyright (C) 2003, 2004 Marc Lehmann <gvpe@schmorp.de> 3 Copyright (C) 2003-2006 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE. 5 This file is part of GVPE.
6 6
7 GVPE is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
… …
26// - a vector template like simplevec or stl's vector 26// - a vector template like simplevec or stl's vector
27// - defines for all watcher types required in your app 27// - defines for all watcher types required in your app
28// edit iom_conf.h as appropriate. 28// edit iom_conf.h as appropriate.
29#include "iom_conf.h" 29#include "iom_conf.h"
30 30
31#if IOM_CHILD
32# undef IOM_SIG
33# define IOM_SIG 1
34#endif
35
31#include "callback.h" 36#include "callback.h"
32
33#ifndef IOM_IO
34# define IOM_IO 0
35#endif
36#ifndef IOM_TIME
37# define IOM_TIME 0
38#endif
39#ifndef IOM_CHECK
40# define IOM_CHECK 0
41#endif
42#ifndef IOM_IDLE
43# define IOM_IDLE 0
44#endif
45#ifndef IOM_SIG
46# define IOM_SIG 0
47#endif
48 37
49typedef double tstamp; 38typedef double tstamp;
50extern tstamp NOW; 39extern tstamp NOW;
51 40
52// TSTAMP_MAX must still fit into a positive struct timeval 41// TSTAMP_MAX must still fit into a positive struct timeval
… …
65#if IOM_IDLE 54#if IOM_IDLE
66struct idle_watcher; 55struct idle_watcher;
67#endif 56#endif
68#if IOM_SIG 57#if IOM_SIG
69struct sig_watcher; 58struct sig_watcher;
59#endif
60#if IOM_CHILD
61struct child_watcher;
70#endif 62#endif
71 63
72template<class watcher> 64template<class watcher>
73struct io_manager_vec : vector<watcher *> { 65struct io_manager_vec : vector<watcher *> {
74 void erase_unordered (unsigned int pos) 66 void erase_unordered (unsigned int pos)
… …
113 static void reg (idle_watcher &w); static void unreg (idle_watcher &w); 105 static void reg (idle_watcher &w); static void unreg (idle_watcher &w);
114#endif 106#endif
115#if IOM_SIG 107#if IOM_SIG
116 static void reg (sig_watcher &w); static void unreg (sig_watcher &w); 108 static void reg (sig_watcher &w); static void unreg (sig_watcher &w);
117#endif 109#endif
110#if IOM_CHILD
111 static void reg (child_watcher &w); static void unreg (child_watcher &w);
112#endif
118 113
119 static void loop (); 114 static void loop ();
120}; 115};
121 116
122struct watcher { 117struct watcher {
123 int active; /* 0 == inactive, else index into respective vector */ 118 int active; /* 0 == inactive, else index into respective vector */
119
120 bool is_active () { return active; }
124 121
125 watcher () : active (0) { } 122 watcher () : active (0) { }
126}; 123};
127 124
128#if IOM_IO 125#if IOM_IO
… …
139 void start (int fd_, short events_) { set (fd_, events_); io_manager::reg (*this); } 136 void start (int fd_, short events_) { set (fd_, events_); io_manager::reg (*this); }
140 void stop () { io_manager::unreg (*this); } 137 void stop () { io_manager::unreg (*this); }
141 138
142 template<class O1, class O2> 139 template<class O1, class O2>
143 io_watcher (O1 *object, void (O2::*method) (io_watcher &, short)) 140 io_watcher (O1 *object, void (O2::*method) (io_watcher &, short))
144 : callback2<void, io_watcher &, short> (object,method) 141 : callback2<void, io_watcher &, short> (object, method)
145 { } 142 { }
146 ~io_watcher () { stop (); } 143 ~io_watcher () { stop (); }
147}; 144};
148#endif 145#endif
149 146
… …
159 void start (tstamp when) { set (when); io_manager::reg (*this); } 156 void start (tstamp when) { set (when); io_manager::reg (*this); }
160 void stop () { io_manager::unreg (*this); } 157 void stop () { io_manager::unreg (*this); }
161 158
162 template<class O1, class O2> 159 template<class O1, class O2>
163 time_watcher (O1 *object, void (O2::*method) (time_watcher &)) 160 time_watcher (O1 *object, void (O2::*method) (time_watcher &))
164 : callback1<void, time_watcher &> (object,method), at (0) 161 : callback1<void, time_watcher &> (object, method), at (0)
165 { } 162 { }
166 ~time_watcher () { stop (); } 163 ~time_watcher () { stop (); }
167}; 164};
168#endif 165#endif
169 166
… …
173 void start () { io_manager::reg (*this); } 170 void start () { io_manager::reg (*this); }
174 void stop () { io_manager::unreg (*this); } 171 void stop () { io_manager::unreg (*this); }
175 172
176 template<class O1, class O2> 173 template<class O1, class O2>
177 check_watcher (O1 *object, void (O2::*method) (check_watcher &)) 174 check_watcher (O1 *object, void (O2::*method) (check_watcher &))
178 : callback1<void, check_watcher &> (object,method) 175 : callback1<void, check_watcher &> (object, method)
179 { } 176 { }
180 ~check_watcher () { stop (); } 177 ~check_watcher () { stop (); }
181}; 178};
182#endif 179#endif
183 180
… …
187 void start () { io_manager::reg (*this); } 184 void start () { io_manager::reg (*this); }
188 void stop () { io_manager::unreg (*this); } 185 void stop () { io_manager::unreg (*this); }
189 186
190 template<class O1, class O2> 187 template<class O1, class O2>
191 idle_watcher (O1 *object, void (O2::*method) (idle_watcher &)) 188 idle_watcher (O1 *object, void (O2::*method) (idle_watcher &))
192 : callback1<void, idle_watcher &> (object,method) 189 : callback1<void, idle_watcher &> (object, method)
193 { } 190 { }
194 ~idle_watcher () { stop (); } 191 ~idle_watcher () { stop (); }
195}; 192};
196#endif 193#endif
197 194
… …
202 void start (int signum); 199 void start (int signum);
203 void stop () { io_manager::unreg (*this); } 200 void stop () { io_manager::unreg (*this); }
204 201
205 template<class O1, class O2> 202 template<class O1, class O2>
206 sig_watcher (O1 *object, void (O2::*method) (sig_watcher &)) 203 sig_watcher (O1 *object, void (O2::*method) (sig_watcher &))
207 : callback1<void, sig_watcher &> (object,method), signum (-1) 204 : callback1<void, sig_watcher &> (object, method), signum (0)
208 { } 205 { }
209 ~sig_watcher () { stop (); } 206 ~sig_watcher () { stop (); }
210}; 207};
211#endif 208#endif
212 209
213#endif 210#if IOM_CHILD
211struct child_watcher : watcher, callback2<void, child_watcher &, int> {
212 int /*pid_t*/ pid;
214 213
214 void start (int pid) { this->pid = pid; io_manager::reg (*this); }
215 void stop () { io_manager::unreg (*this); }
216
217 template<class O1, class O2>
218 child_watcher (O1 *object, void (O2::*method) (child_watcher &, int status))
219 : callback2<void, child_watcher &, int> (object, method), pid (0)
220 { }
221 ~child_watcher () { stop (); }
222};
223#endif
224
225#endif
226

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