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-rw-r--r--log.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/log.c b/log.c
new file mode 100644
index 000000000..c215e2ad2
--- /dev/null
+++ b/log.c
@@ -0,0 +1,298 @@
+/* Logging routines.
+ *
+ * (C) 2003 Anope Team
+ * Contact us at info@anope.org
+ *
+ * Please read COPYING and README for furhter details.
+ *
+ * Based on the original code of Epona by Lara.
+ * Based on the original code of Services by Andy Church.
+ *
+ * $Id: log.c,v 1.8 2003/07/20 01:15:49 dane Exp $
+ *
+ */
+
+#include "services.h"
+#include "pseudo.h"
+
+static FILE *logfile;
+
+static int curday = 0;
+
+/*************************************************************************/
+
+static int get_logname(char *name, int count, struct tm *tm)
+{
+
+ char timestamp[32];
+
+ if (!tm) {
+ time_t t;
+
+ time(&t);
+ tm = localtime(&t);
+ }
+
+ strftime(timestamp, count, "%Y%m%d", tm);
+ snprintf(name, count, "logs/%s.%s", log_filename, timestamp);
+ curday = tm->tm_yday;
+
+ return 1;
+}
+
+/*************************************************************************/
+
+static void remove_log(void)
+{
+ time_t t;
+ struct tm tm;
+
+ char name[PATH_MAX];
+
+ if (!KeepLogs)
+ return;
+
+ time(&t);
+ t -= (60 * 60 * 24 * KeepLogs);
+ tm = *localtime(&t);
+
+ if (!get_logname(name, sizeof(name), &tm))
+ return;
+ unlink(name);
+}
+
+/*************************************************************************/
+
+static void checkday(void)
+{
+ time_t t;
+ struct tm tm;
+
+ time(&t);
+ tm = *localtime(&t);
+
+ if (curday != tm.tm_yday) {
+ close_log();
+ remove_log();
+ open_log();
+ }
+}
+
+/*************************************************************************/
+
+/* Open the log file. Return -1 if the log file could not be opened, else
+ * return 0. */
+
+int open_log(void)
+{
+ char name[PATH_MAX];
+
+ if (logfile)
+ return 0;
+
+ if (!get_logname(name, sizeof(name), NULL))
+ return 0;
+ logfile = fopen(name, "a");
+
+ if (logfile)
+ setbuf(logfile, NULL);
+ return logfile != NULL ? 0 : -1;
+}
+
+/* Close the log file. */
+
+void close_log(void)
+{
+ if (!logfile)
+ return;
+ fclose(logfile);
+ logfile = NULL;
+}
+
+/*************************************************************************/
+
+/* Log stuff to the log file with a datestamp. Note that errno is
+ * preserved by this routine and log_perror().
+ */
+
+void alog(const char *fmt, ...)
+{
+ va_list args;
+ time_t t;
+ struct tm tm;
+ char buf[256];
+ int errno_save = errno;
+
+ checkday();
+
+ va_start(args, fmt);
+ time(&t);
+ tm = *localtime(&t);
+#if HAVE_GETTIMEOFDAY
+ if (debug) {
+ char *s;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S", &tm);
+ s = buf + strlen(buf);
+ s += snprintf(s, sizeof(buf) - (s - buf), ".%06d", tv.tv_usec);
+ strftime(s, sizeof(buf) - (s - buf) - 1, " %Y] ", &tm);
+ } else {
+#endif
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S %Y] ", &tm);
+#if HAVE_GETTIMEOFDAY
+ }
+#endif
+ if (logfile) {
+ fputs(buf, logfile);
+ vfprintf(logfile, fmt, args);
+ fputc('\n', logfile);
+ }
+ if (nofork) {
+ fputs(buf, stderr);
+ vfprintf(stderr, fmt, args);
+ fputc('\n', stderr);
+ }
+
+ if (LogChannel && logchan && !debug && findchan(LogChannel)) {
+ char str[BUFSIZE];
+ vsnprintf(str, sizeof(str), fmt, args);
+ privmsg(s_GlobalNoticer, LogChannel, str);
+ }
+
+ errno = errno_save;
+}
+
+
+/* Like alog(), but tack a ": " and a system error message (as returned by
+ * strerror()) onto the end.
+ */
+
+void log_perror(const char *fmt, ...)
+{
+ va_list args;
+ time_t t;
+ struct tm tm;
+ char buf[256];
+ int errno_save = errno;
+
+ checkday();
+
+ va_start(args, fmt);
+ time(&t);
+ tm = *localtime(&t);
+#if HAVE_GETTIMEOFDAY
+ if (debug) {
+ char *s;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S", &tm);
+ s = buf + strlen(buf);
+ s += snprintf(s, sizeof(buf) - (s - buf), ".%06d", tv.tv_usec);
+ strftime(s, sizeof(buf) - (s - buf) - 1, " %Y] ", &tm);
+ } else {
+#endif
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S %Y] ", &tm);
+#if HAVE_GETTIMEOFDAY
+ }
+#endif
+ if (logfile) {
+ fputs(buf, logfile);
+ vfprintf(logfile, fmt, args);
+ fprintf(logfile, ": %s\n", strerror(errno_save));
+ }
+ if (nofork) {
+ fputs(buf, stderr);
+ vfprintf(stderr, fmt, args);
+ fprintf(stderr, ": %s\n", strerror(errno_save));
+ }
+ errno = errno_save;
+}
+
+/*************************************************************************/
+
+/* We've hit something we can't recover from. Let people know what
+ * happened, then go down.
+ */
+
+void fatal(const char *fmt, ...)
+{
+ va_list args;
+ time_t t;
+ struct tm tm;
+ char buf[256], buf2[4096];
+
+ checkday();
+
+ va_start(args, fmt);
+ time(&t);
+ tm = *localtime(&t);
+#if HAVE_GETTIMEOFDAY
+ if (debug) {
+ char *s;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S", &tm);
+ s = buf + strlen(buf);
+ s += snprintf(s, sizeof(buf) - (s - buf), ".%06d", tv.tv_usec);
+ strftime(s, sizeof(buf) - (s - buf) - 1, " %Y] ", &tm);
+ } else {
+#endif
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S %Y] ", &tm);
+#if HAVE_GETTIMEOFDAY
+ }
+#endif
+ vsnprintf(buf2, sizeof(buf2), fmt, args);
+ if (logfile)
+ fprintf(logfile, "%sFATAL: %s\n", buf, buf2);
+ if (nofork)
+ fprintf(stderr, "%sFATAL: %s\n", buf, buf2);
+ if (servsock >= 0)
+ wallops(NULL, "FATAL ERROR! %s", buf2);
+ exit(1);
+}
+
+
+/* Same thing, but do it like perror(). */
+
+void fatal_perror(const char *fmt, ...)
+{
+ va_list args;
+ time_t t;
+ struct tm tm;
+ char buf[256], buf2[4096];
+ int errno_save = errno;
+
+ checkday();
+
+ va_start(args, fmt);
+ time(&t);
+ tm = *localtime(&t);
+#if HAVE_GETTIMEOFDAY
+ if (debug) {
+ char *s;
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S", &tm);
+ s = buf + strlen(buf);
+ s += snprintf(s, sizeof(buf) - (s - buf), ".%06d", tv.tv_usec);
+ strftime(s, sizeof(buf) - (s - buf) - 1, " %Y] ", &tm);
+ } else {
+#endif
+ strftime(buf, sizeof(buf) - 1, "[%b %d %H:%M:%S %Y] ", &tm);
+#if HAVE_GETTIMEOFDAY
+ }
+#endif
+ vsnprintf(buf2, sizeof(buf2), fmt, args);
+ if (logfile)
+ fprintf(logfile, "%sFATAL: %s: %s\n", buf, buf2,
+ strerror(errno_save));
+ if (stderr)
+ fprintf(stderr, "%sFATAL: %s: %s\n", buf, buf2,
+ strerror(errno_save));
+ if (servsock >= 0)
+ wallops(NULL, "FATAL ERROR! %s: %s", buf2, strerror(errno_save));
+ exit(1);
+}
+
+/*************************************************************************/
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