From c162bc1988b15a8188036c85f9b7c785b20f0f38 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jos=C3=A9=20Bollo?= <jose.bollo@iot.bzh>
Date: Tue, 10 May 2016 22:43:46 +0200
Subject: [PATCH] switch to sd-daemon logging
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Change-Id: I6f1eea5e78da61b29367a0748ba4318cea5ebc54
Signed-off-by: José Bollo <jose.bollo@iot.bzh>
---
 src/verbose.c | 44 +++++++++++++++++++++++++++++++++++++---
 src/verbose.h | 65 ++++++++++++++++++++++++++++++++++++++++-------------------
 2 files changed, 85 insertions(+), 24 deletions(-)

diff --git a/src/verbose.c b/src/verbose.c
index 7e46a33..82de177 100644
--- a/src/verbose.c
+++ b/src/verbose.c
@@ -1,5 +1,5 @@
 /*
- Copyright 2015 IoT.bzh
+ Copyright 2016 IoT.bzh
 
  author: José Bollo <jose.bollo@iot.bzh>
 
@@ -18,12 +18,50 @@
 
 #include "verbose.h"
 
-#if !defined(NDEBUG)
+#if !defined(VERBOSE_WITH_SYSLOG)
+
+#include <stdio.h>
+#include <stdarg.h>
+
+int verbosity = 1;
+
+static const char *prefixes[] = {
+	"<0> EMERGENCY",
+	"<1> ALERT",
+	"<2> CRITICAL",
+	"<3> ERROR",
+	"<4> WARNING",
+	"<5> NOTICE",
+	"<6> INFO",
+	"<7> DEBUG"
+};
+
+void verbose(int level, const char *file, int line, const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", prefixes[level < 0 ? 0 : level > 7 ? 7 : level]);
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+	fprintf(stderr, " [%s:%d]\n", file, line);
+}
+
+#endif
+
+#if defined(VERBOSE_WITH_SYSLOG) && !defined(NDEBUG)
+
 int verbosity = 1;
-#else
+
+#endif
+
+#if defined(VERBOSE_WITH_SYSLOG) && defined(NDEBUG)
+
 void verbose_error(const char *file, int line)
 {
 	syslog(LOG_ERR, "error file %s line %d", file, line);
 }
+
 #endif
 
+
diff --git a/src/verbose.h b/src/verbose.h
index 7b32a66..ccd8eaf 100644
--- a/src/verbose.h
+++ b/src/verbose.h
@@ -1,5 +1,5 @@
 /*
- Copyright 2015 IoT.bzh
+ Copyright 2016 IoT.bzh
 
  author: José Bollo <jose.bollo@iot.bzh>
 
@@ -16,24 +16,47 @@
  limitations under the License.
 */
 
-#if !defined(NDEBUG)
-#include <syslog.h>
-extern int verbosity;
-#define LOGUSER(app) openlog(app,LOG_PERROR,LOG_USER)
-#define LOGAUTH(app) openlog(app,LOG_PERROR,LOG_AUTH)
-#define ERROR(...)   syslog(LOG_ERR,__VA_ARGS__)
-#define WARNING(...) do{if(verbosity)syslog(LOG_WARNING,__VA_ARGS__);}while(0)
-#define NOTICE(...)  do{if(verbosity)syslog(LOG_NOTICE,__VA_ARGS__);}while(0)
-#define INFO(...)    do{if(verbosity>1)syslog(LOG_INFO,__VA_ARGS__);}while(0)
-#define DEBUG(...)   do{if(verbosity>2)syslog(LOG_DEBUG,__VA_ARGS__);}while(0)
-#else
-#include <syslog.h>
-#define LOGUSER(app) openlog(app,LOG_PERROR,LOG_USER)
-#define LOGAUTH(app) openlog(app,LOG_PERROR,LOG_AUTH)
-extern void verbose_error(const char *file, int line);
-#define ERROR(...)   verbose_error(__FILE__,__LINE__)
-#define WARNING(...) do{/*nothing*/}while(0)
-#define NOTICE(...)  do{/*nothing*/}while(0)
-#define INFO(...)    do{/*nothing*/}while(0)
-#define DEBUG(...)   do{/*nothing*/}while(0)
+#pragma once
+
+#if !defined(VERBOSE_WITH_SYSLOG)
+
+  extern int verbosity;
+  extern void verbose(int level, const char *file, int line, const char *fmt, ...);
+
+# define ERROR(...)   do{if(verbosity>=0)verbose(3,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+# define WARNING(...) do{if(verbosity>=1)verbose(4,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+# define NOTICE(...)  do{if(verbosity>=1)verbose(5,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+# define INFO(...)    do{if(verbosity>=2)verbose(6,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+# define DEBUG(...)   do{if(verbosity>=3)verbose(7,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+# define LOGUSER(app) NOTICE("Starting user application %s",app)
+# define LOGAUTH(app) NOTICE("Starting auth application %s",app)
+
+#else /* VERBOSE_WITH_SYSLOG is defined */
+
+# include <syslog.h>
+
+# define LOGUSER(app) openlog(app,LOG_PERROR,LOG_USER)
+# define LOGAUTH(app) openlog(app,LOG_PERROR,LOG_AUTH)
+
+# if !defined(NDEBUG)
+
+    extern int verbosity;
+#   define ERROR(...)   syslog(LOG_ERR,__VA_ARGS__)
+#   define WARNING(...) do{if(verbosity)syslog(LOG_WARNING,__VA_ARGS__);}while(0)
+#   define NOTICE(...)  do{if(verbosity)syslog(LOG_NOTICE,__VA_ARGS__);}while(0)
+#   define INFO(...)    do{if(verbosity>1)syslog(LOG_INFO,__VA_ARGS__);}while(0)
+#   define DEBUG(...)   do{if(verbosity>2)syslog(LOG_DEBUG,__VA_ARGS__);}while(0)
+
+# else
+
+    extern void verbose_error(const char *file, int line);
+#   define ERROR(...)   verbose_error(__FILE__,__LINE__)
+#   define WARNING(...) do{/*nothing*/}while(0)
+#   define NOTICE(...)  do{/*nothing*/}while(0)
+#   define INFO(...)    do{/*nothing*/}while(0)
+#   define DEBUG(...)   do{/*nothing*/}while(0)
+
+# endif
+
 #endif
+
-- 
2.16.6