1 /* $KAME: logger.c,v 1.9 2002/09/03 14:37:03 itojun Exp $ */
4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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34 #include <sys/types.h>
35 #include <sys/param.h>
46 #if TIME_WITH_SYS_TIME
47 # include <sys/time.h>
51 # include <sys/time.h>
68 p = (struct log *)racoon_malloc(sizeof(*p));
71 memset(p, 0, sizeof(*p));
73 p->buf = (char **)racoon_malloc(sizeof(char *) * siz);
78 memset(p->buf, 0, sizeof(char *) * siz);
80 p->tbuf = (time_t *)racoon_malloc(sizeof(time_t *) * siz);
81 if (p->tbuf == NULL) {
86 memset(p->tbuf, 0, sizeof(time_t *) * siz);
90 p->fname = strdup(fname);
96 * append string to ring buffer.
97 * string must be \n-terminated (since we add timestamps).
98 * even if not, we'll add \n to avoid formatting mistake (see log_close()).
105 /* syslog if p->fname == NULL? */
107 racoon_free(p->buf[p->head]);
108 p->buf[p->head] = strdup(str);
109 p->tbuf[p->head] = time(NULL);
115 * write out string to the log file, as is.
116 * \n-termination is up to the caller. if you don't add \n, the file
117 * format may be broken.
126 if (p->fname == NULL)
127 return -1; /*XXX syslog?*/
128 fp = fopen(p->fname, "a");
131 fprintf(fp, "%s", str);
138 log_vprint(struct log *p, const char *fmt, ...)
144 if (p->fname == NULL)
145 return -1; /*XXX syslog?*/
146 fp = fopen(p->fname, "a");
150 vfprintf(fp, fmt, ap);
159 log_vaprint(struct log *p, const char *fmt, va_list ap)
163 if (p->fname == NULL)
164 return -1; /*XXX syslog?*/
165 fp = fopen(p->fname, "a");
168 vfprintf(fp, fmt, ap);
175 * write out content of ring buffer, and reclaim the log structure
186 if (p->fname == NULL)
188 fp = fopen(p->fname, "a");
192 for (i = 0; i < p->siz; i++) {
193 j = (p->head + i) % p->siz;
195 tm = localtime(&p->tbuf[j]);
196 strftime(ts, sizeof(ts), "%B %d %T", tm);
197 fprintf(fp, "%s: %s\n", ts, p->buf[j]);
198 if (*(p->buf[j] + strlen(p->buf[j]) - 1) != '\n')
215 for (i = 0; i < p->siz; i++)
216 racoon_free(p->buf[i]);
218 racoon_free(p->tbuf);
220 racoon_free(p->fname);
228 vatest(const char *fmt, ...)
232 log_vaprint(l, fmt, ap);
243 l = log_open(30, "/tmp/hoge");
247 for (i = 0; i < 50; i++) {
252 log_print(l, "hoge\n");
253 log_vprint(l, "hoge %s\n", "this is test");
254 vatest("%s %s\n", "this is", "vprint test");