Line data Source code
1 : /*
2 : * PIM for Quagga
3 : * Copyright (C) 2008 Everton da Silva Marques
4 : *
5 : * This program is free software; you can redistribute it and/or modify
6 : * it under the terms of the GNU General Public License as published by
7 : * the Free Software Foundation; either version 2 of the License, or
8 : * (at your option) any later version.
9 : *
10 : * This program is distributed in the hope that it will be useful, but
11 : * WITHOUT ANY WARRANTY; without even the implied warranty of
12 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 : * General Public License for more details.
14 : *
15 : * You should have received a copy of the GNU General Public License along
16 : * with this program; see the file COPYING; if not, write to the Free Software
17 : * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 : */
19 :
20 : #include <zebra.h>
21 :
22 : #include <string.h>
23 : #include <sys/time.h>
24 : #include <time.h>
25 :
26 : #include "log.h"
27 : #include "thread.h"
28 : #include "lib_errors.h"
29 :
30 : #include "pim_time.h"
31 :
32 165 : static int gettime_monotonic(struct timeval *tv)
33 : {
34 165 : int result;
35 :
36 165 : result = gettimeofday(tv, 0);
37 165 : if (result) {
38 0 : flog_err_sys(EC_LIB_SYSTEM_CALL,
39 : "%s: gettimeofday() failure: errno=%d: %s",
40 : __func__, errno, safe_strerror(errno));
41 : }
42 :
43 165 : return result;
44 : }
45 :
46 : /*
47 : pim_time_monotonic_sec():
48 : number of seconds since some unspecified starting point
49 : */
50 135 : int64_t pim_time_monotonic_sec(void)
51 : {
52 135 : struct timeval now_tv;
53 :
54 135 : if (gettime_monotonic(&now_tv)) {
55 0 : flog_err_sys(EC_LIB_SYSTEM_CALL,
56 : "%s: gettime_monotonic() failure: errno=%d: %s",
57 : __func__, errno, safe_strerror(errno));
58 0 : return -1;
59 : }
60 :
61 135 : return now_tv.tv_sec;
62 : }
63 :
64 : /*
65 : pim_time_monotonic_dsec():
66 : number of deciseconds since some unspecified starting point
67 : */
68 0 : int64_t pim_time_monotonic_dsec(void)
69 : {
70 0 : struct timeval now_tv;
71 0 : int64_t now_dsec;
72 :
73 0 : if (gettime_monotonic(&now_tv)) {
74 0 : flog_err_sys(EC_LIB_SYSTEM_CALL,
75 : "%s: gettime_monotonic() failure: errno=%d: %s",
76 : __func__, errno, safe_strerror(errno));
77 0 : return -1;
78 : }
79 :
80 0 : now_dsec = ((int64_t)now_tv.tv_sec) * 10
81 0 : + ((int64_t)now_tv.tv_usec) / 100000;
82 :
83 0 : return now_dsec;
84 : }
85 :
86 30 : int64_t pim_time_monotonic_usec(void)
87 : {
88 30 : struct timeval now_tv;
89 30 : int64_t now_dsec;
90 :
91 30 : if (gettime_monotonic(&now_tv)) {
92 0 : flog_err_sys(EC_LIB_SYSTEM_CALL,
93 : "%s: gettime_monotonic() failure: errno=%d: %s",
94 : __func__, errno, safe_strerror(errno));
95 0 : return -1;
96 : }
97 :
98 30 : now_dsec =
99 30 : ((int64_t)now_tv.tv_sec) * 1000000 + ((int64_t)now_tv.tv_usec);
100 :
101 30 : return now_dsec;
102 : }
103 :
104 16 : int pim_time_mmss(char *buf, int buf_size, long sec)
105 : {
106 16 : long mm;
107 16 : int wr;
108 :
109 16 : assert(buf_size >= 5);
110 :
111 16 : mm = sec / 60;
112 16 : sec %= 60;
113 :
114 16 : wr = snprintf(buf, buf_size, "%02ld:%02ld", mm, sec);
115 :
116 16 : return wr != 8;
117 : }
118 :
119 40 : static int pim_time_hhmmss(char *buf, int buf_size, long sec)
120 : {
121 40 : long hh;
122 40 : long mm;
123 40 : int wr;
124 :
125 40 : assert(buf_size >= 8);
126 :
127 40 : hh = sec / 3600;
128 40 : sec %= 3600;
129 40 : mm = sec / 60;
130 40 : sec %= 60;
131 :
132 40 : wr = snprintf(buf, buf_size, "%02ld:%02ld:%02ld", hh, mm, sec);
133 :
134 40 : return wr != 8;
135 : }
136 :
137 34 : void pim_time_timer_to_mmss(char *buf, int buf_size, struct thread *t_timer)
138 : {
139 34 : if (t_timer) {
140 16 : pim_time_mmss(buf, buf_size,
141 16 : thread_timer_remain_second(t_timer));
142 : } else {
143 18 : snprintf(buf, buf_size, "--:--");
144 : }
145 34 : }
146 :
147 6 : void pim_time_timer_to_hhmmss(char *buf, int buf_size, struct thread *t_timer)
148 : {
149 6 : if (t_timer) {
150 6 : pim_time_hhmmss(buf, buf_size,
151 6 : thread_timer_remain_second(t_timer));
152 : } else {
153 0 : snprintf(buf, buf_size, "--:--:--");
154 : }
155 6 : }
156 :
157 34 : void pim_time_uptime(char *buf, int buf_size, int64_t uptime_sec)
158 : {
159 34 : assert(buf_size >= 8);
160 :
161 34 : pim_time_hhmmss(buf, buf_size, uptime_sec);
162 34 : }
163 :
164 17 : void pim_time_uptime_begin(char *buf, int buf_size, int64_t now, int64_t begin)
165 : {
166 17 : if (begin > 0)
167 16 : pim_time_uptime(buf, buf_size, now - begin);
168 : else
169 1 : snprintf(buf, buf_size, "--:--:--");
170 17 : }
171 :
172 6 : long pim_time_timer_remain_msec(struct thread *t_timer)
173 : {
174 : /* no timer thread running means timer has expired: return 0 */
175 :
176 6 : return t_timer ? thread_timer_remain_msec(t_timer) : 0;
177 : }
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