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netdev-linux: Cache error code from set-policing.
[openvswitch]
/
lib
/
vlog.h
diff --git
a/lib/vlog.h
b/lib/vlog.h
index a4e143c1b2dca64bd593a34859bff39fa416bd9f..5954d217a413424d05dcb54c166902ebe34efab0 100644
(file)
--- a/
lib/vlog.h
+++ b/
lib/vlog.h
@@
-1,5
+1,5
@@
/*
/*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010
, 2011
Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@
-21,14
+21,18
@@
#include <stdarg.h>
#include <stdbool.h>
#include <time.h>
#include <stdarg.h>
#include <stdbool.h>
#include <time.h>
+#include "compiler.h"
#include "util.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "util.h"
#ifdef __cplusplus
extern "C" {
#endif
-/* Logging importance levels. */
+/* Logging severity levels.
+ *
+ * ovs-appctl(8) defines each of the log levels. */
#define VLOG_LEVELS \
#define VLOG_LEVELS \
+ VLOG_LEVEL(OFF, LOG_ALERT) \
VLOG_LEVEL(EMER, LOG_ALERT) \
VLOG_LEVEL(ERR, LOG_ERR) \
VLOG_LEVEL(WARN, LOG_WARNING) \
VLOG_LEVEL(EMER, LOG_ALERT) \
VLOG_LEVEL(ERR, LOG_ERR) \
VLOG_LEVEL(WARN, LOG_WARNING) \
@@
-47,8
+51,8
@@
enum vlog_level vlog_get_level_val(const char *name);
/* Facilities that we can log to. */
#define VLOG_FACILITIES \
VLOG_FACILITY(SYSLOG, "%05N|%c|%p|%m") \
/* Facilities that we can log to. */
#define VLOG_FACILITIES \
VLOG_FACILITY(SYSLOG, "%05N|%c|%p|%m") \
- VLOG_FACILITY(CONSOLE, "%
d{%b %d %H:%M:%S
}|%05N|%c|%p|%m") \
- VLOG_FACILITY(FILE, "%
d{%b %d %H:%M:%S
}|%05N|%c|%p|%m")
+ VLOG_FACILITY(CONSOLE, "%
D{%Y-%m-%dT%H:%M:%SZ
}|%05N|%c|%p|%m") \
+ VLOG_FACILITY(FILE, "%
D{%Y-%m-%dT%H:%M:%SZ
}|%05N|%c|%p|%m")
enum vlog_facility {
#define VLOG_FACILITY(NAME, PATTERN) VLF_##NAME,
VLOG_FACILITIES
enum vlog_facility {
#define VLOG_FACILITY(NAME, PATTERN) VLF_##NAME,
VLOG_FACILITIES
@@
-71,10
+75,11
@@
struct vlog_module {
#if USE_LINKER_SECTIONS
#define VLOG_DEFINE_MODULE(MODULE) \
VLOG_DEFINE_MODULE__(MODULE) \
#if USE_LINKER_SECTIONS
#define VLOG_DEFINE_MODULE(MODULE) \
VLOG_DEFINE_MODULE__(MODULE) \
+ extern struct vlog_module *vlog_module_ptr_##MODULE; \
struct vlog_module *vlog_module_ptr_##MODULE \
struct vlog_module *vlog_module_ptr_##MODULE \
- __attribute__((section("vlog_modules"))) = &VLM_##MODULE
;
+ __attribute__((section("vlog_modules"))) = &VLM_##MODULE
#else
#else
-#define VLOG_DEFINE_MODULE(MODULE) extern struct vlog_module VLM_##MODULE
;
+#define VLOG_DEFINE_MODULE(MODULE) extern struct vlog_module VLM_##MODULE
#endif
const char *vlog_get_module_name(const struct vlog_module *);
#endif
const char *vlog_get_module_name(const struct vlog_module *);
@@
-90,6
+95,7
@@
struct vlog_rate_limit {
unsigned int tokens; /* Current number of tokens. */
time_t last_fill; /* Last time tokens added. */
time_t first_dropped; /* Time first message was dropped. */
unsigned int tokens; /* Current number of tokens. */
time_t last_fill; /* Last time tokens added. */
time_t first_dropped; /* Time first message was dropped. */
+ time_t last_dropped; /* Time of most recent message drop. */
unsigned int n_dropped; /* Number of messages dropped. */
};
unsigned int n_dropped; /* Number of messages dropped. */
};
@@
-108,6
+114,7
@@
struct vlog_rate_limit {
0, /* tokens */ \
0, /* last_fill */ \
0, /* first_dropped */ \
0, /* tokens */ \
0, /* last_fill */ \
0, /* first_dropped */ \
+ 0, /* last_dropped */ \
0, /* n_dropped */ \
}
0, /* n_dropped */ \
}
@@
-128,24
+135,32
@@
const char *vlog_get_log_file(void);
int vlog_set_log_file(const char *file_name);
int vlog_reopen_log_file(void);
int vlog_set_log_file(const char *file_name);
int vlog_reopen_log_file(void);
-/*
Function for actual logging
. */
+/*
Initialization
. */
void vlog_init(void);
void vlog_exit(void);
void vlog_init(void);
void vlog_exit(void);
+
+/* Functions for actual logging. */
void vlog(const struct vlog_module *, enum vlog_level, const char *format, ...)
void vlog(const struct vlog_module *, enum vlog_level, const char *format, ...)
-
__attribute__((format(printf, 3, 4))
);
+
PRINTF_FORMAT (3, 4
);
void vlog_valist(const struct vlog_module *, enum vlog_level,
const char *, va_list)
void vlog_valist(const struct vlog_module *, enum vlog_level,
const char *, va_list)
- __attribute__((format(printf, 3, 0)));
+ PRINTF_FORMAT (3, 0);
+
+void vlog_fatal(const struct vlog_module *, const char *format, ...)
+ PRINTF_FORMAT (2, 3) NO_RETURN;
+void vlog_fatal_valist(const struct vlog_module *, const char *format, va_list)
+ PRINTF_FORMAT (2, 0) NO_RETURN;
+
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
struct vlog_rate_limit *, const char *, ...)
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
struct vlog_rate_limit *, const char *, ...)
-
__attribute__((format(printf, 4, 5))
);
+
PRINTF_FORMAT (4, 5
);
/* Creates and initializes a global instance of a module named MODULE, and
* defines a static variable named THIS_MODULE that points to it, for use with
* the convenience macros below. */
#define VLOG_DEFINE_THIS_MODULE(MODULE) \
/* Creates and initializes a global instance of a module named MODULE, and
* defines a static variable named THIS_MODULE that points to it, for use with
* the convenience macros below. */
#define VLOG_DEFINE_THIS_MODULE(MODULE) \
- VLOG_DEFINE_MODULE(MODULE)
\
- static struct vlog_module *const THIS_MODULE = &VLM_##MODULE
;
+ VLOG_DEFINE_MODULE(MODULE)
;
\
+ static struct vlog_module *const THIS_MODULE = &VLM_##MODULE
/* Convenience macros. These assume that THIS_MODULE points to a "struct
* vlog_module" for the current module, as set up by e.g. the
/* Convenience macros. These assume that THIS_MODULE points to a "struct
* vlog_module" for the current module, as set up by e.g. the
@@
-153,6
+168,7
@@
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
*
* Guaranteed to preserve errno.
*/
*
* Guaranteed to preserve errno.
*/
+#define VLOG_FATAL(...) vlog_fatal(THIS_MODULE, __VA_ARGS__)
#define VLOG_EMER(...) VLOG(VLL_EMER, __VA_ARGS__)
#define VLOG_ERR(...) VLOG(VLL_ERR, __VA_ARGS__)
#define VLOG_WARN(...) VLOG(VLL_WARN, __VA_ARGS__)
#define VLOG_EMER(...) VLOG(VLL_EMER, __VA_ARGS__)
#define VLOG_ERR(...) VLOG(VLL_ERR, __VA_ARGS__)
#define VLOG_WARN(...) VLOG(VLL_WARN, __VA_ARGS__)
@@
-162,8
+178,7
@@
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
/* More convenience macros, for testing whether a given level is enabled in
* THIS_MODULE. When constructing a log message is expensive, this enables it
* to be skipped. */
/* More convenience macros, for testing whether a given level is enabled in
* THIS_MODULE. When constructing a log message is expensive, this enables it
* to be skipped. */
-#define VLOG_IS_EMER_ENABLED() true
-#define VLOG_IS_ERR_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_EMER)
+#define VLOG_IS_ERR_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_ERR)
#define VLOG_IS_WARN_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_WARN)
#define VLOG_IS_INFO_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_INFO)
#define VLOG_IS_DBG_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_DBG)
#define VLOG_IS_WARN_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_WARN)
#define VLOG_IS_INFO_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_INFO)
#define VLOG_IS_DBG_ENABLED() vlog_is_enabled(THIS_MODULE, VLL_DBG)
@@
-190,8
+205,8
@@
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
/* Command line processing. */
#define VLOG_OPTION_ENUMS OPT_LOG_FILE
#define VLOG_LONG_OPTIONS \
/* Command line processing. */
#define VLOG_OPTION_ENUMS OPT_LOG_FILE
#define VLOG_LONG_OPTIONS \
- {"verbose", optional_argument,
0
, 'v'}, \
- {"log-file", optional_argument,
0
, OPT_LOG_FILE}
+ {"verbose", optional_argument,
NULL
, 'v'}, \
+ {"log-file", optional_argument,
NULL
, OPT_LOG_FILE}
#define VLOG_OPTION_HANDLERS \
case 'v': \
vlog_set_verbosity(optarg); \
#define VLOG_OPTION_HANDLERS \
case 'v': \
vlog_set_verbosity(optarg); \
@@
-202,16
+217,18
@@
void vlog_rate_limit(const struct vlog_module *, enum vlog_level,
void vlog_usage(void);
/* Implementation details. */
void vlog_usage(void);
/* Implementation details. */
-#define VLOG(LEVEL, ...) \
- do { \
- if (THIS_MODULE->min_level >= LEVEL) { \
- vlog(THIS_MODULE, LEVEL, __VA_ARGS__); \
- } \
+#define VLOG(LEVEL, ...) \
+ do { \
+ enum vlog_level level__ = LEVEL; \
+ if (THIS_MODULE->min_level >= level__) { \
+ vlog(THIS_MODULE, level__, __VA_ARGS__); \
+ } \
} while (0)
#define VLOG_RL(RL, LEVEL, ...) \
do { \
} while (0)
#define VLOG_RL(RL, LEVEL, ...) \
do { \
- if (THIS_MODULE->min_level >= LEVEL) { \
- vlog_rate_limit(THIS_MODULE, LEVEL, RL, __VA_ARGS__); \
+ enum vlog_level level__ = LEVEL; \
+ if (THIS_MODULE->min_level >= level__) { \
+ vlog_rate_limit(THIS_MODULE, level__, RL, __VA_ARGS__); \
} \
} while (0)
#define VLOG_ONCE(LEVEL, ...) \
} \
} while (0)
#define VLOG_ONCE(LEVEL, ...) \
@@
-224,6
+241,7
@@
void vlog_usage(void);
} while (0)
#define VLOG_DEFINE_MODULE__(MODULE) \
} while (0)
#define VLOG_DEFINE_MODULE__(MODULE) \
+ extern struct vlog_module VLM_##MODULE; \
struct vlog_module VLM_##MODULE = \
{ \
#MODULE, /* name */ \
struct vlog_module VLM_##MODULE = \
{ \
#MODULE, /* name */ \