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Comparing gvpe/src/util.C (file contents):
Revision 1.9 by pcg, Tue Oct 14 19:46:46 2003 UTC vs.
Revision 1.18 by pcg, Fri Mar 18 02:32:20 2005 UTC

1/* 1/*
2 util.C -- process management and other utility functions 2 util.C -- process management and other utility functions
3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
3 4
4 Some of these are taken from tinc, see the AUTHORS file. 5 Some of these are taken from tinc, see the AUTHORS file.
5 6
7 This file is part of GVPE.
8
6 This program is free software; you can redistribute it and/or modify 9 GVPE is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by 10 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or 11 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version. 12 (at your option) any later version.
10 13
11 This program is distributed in the hope that it will be useful, 14 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details. 17 GNU General Public License for more details.
15 18
16 You should have received a copy of the GNU General Public License 19 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software 20 along with gvpe; if not, write to the Free Software
18 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19*/ 22*/
20 23
21#include "config.h" 24#include "config.h"
22 25
23#include <cstdio> 26#include <cstdio>
27#include <cstdlib>
24#include <cstring> 28#include <cstring>
25 29
26#include <errno.h> 30#include <errno.h>
27#include <signal.h> 31#include <signal.h>
28#include <sys/types.h> 32#include <sys/types.h>
… …
44int 48int
45write_pidfile (void) 49write_pidfile (void)
46{ 50{
47 int pid; 51 int pid;
48 52
49 pid = check_pid (pidfilename); 53 pid = check_pid (conf.pidfilename);
50 54
51 if (pid) 55 if (pid)
52 { 56 {
53 fprintf (stderr, _("A vped is already running with pid %d.\n"), pid); 57 fprintf (stderr, _("A gvpe daemon is already running with pid %d.\n"), pid);
54 return 1; 58 return 1;
55 } 59 }
56 60
57 /* if it's locked, write-protected, or whatever */ 61 /* if it's locked, write-protected, or whatever */
58 if (!write_pid (pidfilename)) 62 if (!write_pid (conf.pidfilename))
59 return 1; 63 return 1;
60 64
61 return 0; 65 return 0;
62} 66}
63 67
64int 68int
65kill_other (int signal) 69kill_other (int signal)
66{ 70{
67 int pid; 71 int pid;
68 72
69 pid = read_pid (pidfilename); 73 pid = read_pid (conf.pidfilename);
70 74
71 if (!pid) 75 if (!pid)
72 { 76 {
73 fprintf (stderr, _("No other vped is running.\n")); 77 fprintf (stderr, _("No other gvpe daemon is running.\n"));
74 return 1; 78 return 1;
75 } 79 }
76 80
77 errno = 0; /* No error, sometimes errno is only changed on error */ 81 errno = 0; /* No error, sometimes errno is only changed on error */
78 82
79 /* ESRCH is returned when no process with that pid is found */ 83 /* ESRCH is returned when no process with that pid is found */
80 if (kill (pid, signal) && errno == ESRCH) 84 if (kill (pid, signal) && errno == ESRCH)
81 { 85 {
82 fprintf (stderr, _("The vped is no longer running. ")); 86 fprintf (stderr, _("The gvpe daemon is no longer running. "));
83 87
84 fprintf (stderr, _("Removing stale lock file.\n")); 88 fprintf (stderr, _("Removing stale lock file.\n"));
85 remove_pid (pidfilename); 89 remove_pid (conf.pidfilename);
86 } 90 }
87 91
88 return 0; 92 return 0;
89} 93}
90 94
… …
110 return -1; 114 return -1;
111 } 115 }
112 116
113 /* Now UPDATE the pid in the pidfile, because we changed it... */ 117 /* Now UPDATE the pid in the pidfile, because we changed it... */
114 118
115 if (!write_pid (pidfilename)) 119 if (!write_pid (conf.pidfilename))
116 return -1; 120 return -1;
117 121
118 log_to (LOGTO_SYSLOG); 122 log_to (LOGTO_SYSLOG);
119 } 123 }
120 else 124 else
121 log_to (LOGTO_SYSLOG | LOGTO_STDERR); 125 log_to (LOGTO_SYSLOG | LOGTO_STDERR);
122 126
123 slog (L_INFO, _("vped %s (%s %s) starting"), VERSION, __DATE__, __TIME__); 127 slog (L_INFO, _("gvpe daemon %s (%s %s) starting"), VERSION, __DATE__, __TIME__);
124 128
125 return 0; 129 return 0;
126}
127
128void
129make_names (void)
130{
131 if (!pidfilename)
132 pidfilename = LOCALSTATEDIR "/run/vped.pid";
133
134 if (!confbase)
135 asprintf (&confbase, "%s/vpe", CONFDIR);
136} 130}
137 131
138void run_script (const run_script_cb &cb, bool wait) 132void run_script (const run_script_cb &cb, bool wait)
139{ 133{
140 int pid; 134 int pid;
… …
142 if ((pid = fork ()) == 0) 136 if ((pid = fork ()) == 0)
143 { 137 {
144 char *filename; 138 char *filename;
145 asprintf (&filename, "%s/%s", confbase, cb()); 139 asprintf (&filename, "%s/%s", confbase, cb());
146 execl (filename, filename, (char *) 0); 140 execl (filename, filename, (char *) 0);
147 exit (255); 141 exit (126);
148 } 142 }
149 else if (pid > 0) 143 else if (pid > 0)
150 { 144 {
151 if (wait) 145 if (wait)
152 { 146 {
… …
202 196
203 return res; 197 return res;
204} 198}
205#endif 199#endif
206 200
201void
202id2mac (unsigned int id, void *m)
203{
204 mac &p = *(mac *)m;
205
206 if (id)
207 {
208 p[0] = 0xfe;
209 p[1] = 0xfd;
210 p[2] = 0x80;
211 p[3] = 0x00;
212 p[4] = id >> 8;
213 p[5] = id;
214 }
215 else
216 {
217 p[0] = 0xff;
218 p[1] = 0xff;
219 p[2] = 0xff;
220 p[3] = 0xff;
221 p[4] = 0xff;
222 p[5] = 0xff;
223 }
224}
225

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