/*
- Copyright 2015 IoT.bzh
+ Copyright (C) 2016, 2017 "IoT.bzh"
+
+ author: José Bollo <jose.bollo@iot.bzh>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
limitations under the License.
*/
-#include <string.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "verbose.h"
int verbosity = 1;
-int verbose_scan_args(int argc, char **argv)
+#define LEVEL(x) ((x) < 0 ? 0 : (x) > 7 ? 7 : (x))
+
+#if defined(VERBOSE_WITH_SYSLOG)
+
+#include <syslog.h>
+
+void vverbose(int level, const char *file, int line, const char *fmt, va_list args)
{
- int i, r;
- for (i=r=0 ; i < argc ; i++) {
- if (!strcmp(argv[i], "-q"))
- verbosity = verbosity ? verbosity-1 : 0;
- else if (!strcmp(argv[i], "-v"))
- verbosity++;
- else
- argv[r++] = argv[i];
+ char *p;
+
+ if (file == NULL || vasprintf(&p, fmt, args) < 0)
+ vsyslog(level, fmt, args);
+ else {
+ syslog(LEVEL(level), "%s [%s:%d]", p, file, line);
+ free(p);
}
- argv[r] = NULL;
- return r;
}
+void verbose_set_name(const char *name, int authority)
+{
+ closelog();
+ openlog(name, LOG_PERROR, authority ? LOG_AUTH : LOG_USER);
+}
+
+#else
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static char *appname;
+
+static int appauthority;
+
+static const char *prefixes[] = {
+ "<0> EMERGENCY",
+ "<1> ALERT",
+ "<2> CRITICAL",
+ "<3> ERROR",
+ "<4> WARNING",
+ "<5> NOTICE",
+ "<6> INFO",
+ "<7> DEBUG"
+};
+
+void vverbose(int level, const char *file, int line, const char *fmt, va_list args)
+{
+ int tty = isatty(fileno(stderr));
+
+ fprintf(stderr, "%s: ", prefixes[LEVEL(level)] + (tty ? 4 : 0));
+ vfprintf(stderr, fmt, args);
+ if (file != NULL && (!tty || verbosity >5))
+ fprintf(stderr, " [%s:%d]\n", file, line);
+ else
+ fprintf(stderr, "\n");
+}
+
+void verbose_set_name(const char *name, int authority)
+{
+ free(appname);
+ appname = name ? strdup(name) : NULL;
+ appauthority = authority;
+}
+
+#endif
+
+void verbose(int level, const char *file, int line, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vverbose(level, file, line, fmt, ap);
+ va_end(ap);
+}