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* src/logging.h src/logging.c: commited the more recent version

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with function name and line number
daniel
This commit is contained in:
Daniel Veillard 2008-12-22 10:44:10 +00:00
parent 9fcbbd92bf
commit 698d80a824
3 changed files with 76 additions and 40 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Dec 22 11:43:04 CET 2008 Daniel Veillard <veillard@redhat.com>
* src/logging.h src/logging.c: commited the more recent version
with function name and line number
Mon Dec 22 11:33:07 CET 2008 Daniel Veillard <veillard@redhat.com>
* src/logging.h src/logging.c: add the infrastructure and internal

49
src/logging.c
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@ -469,6 +469,8 @@ cleanup:
* virLogMessage:
* @category: where is that message coming from
* @priority: the priority level
* @funcname: the function emitting the (debug) message
* @linenr: line where the message was emitted
* @flags: extra flags, 1 if coming from the error handler
* @fmt: the string format
* @...: the arguments
@ -476,13 +478,13 @@ cleanup:
* Call the libvirt logger with some informations. Based on the configuration
* the message may be stored, sent to output or just discarded
*/
void virLogMessage(const char *category, int priority, int flags,
const char *fmt, ...) {
void virLogMessage(const char *category, int priority, const char *funcname,
long long linenr, int flags, const char *fmt, ...) {
char *str = NULL;
char *msg;
struct timeval cur_time;
struct tm time_info;
int len, fprio, i;
int len, fprio, i, ret;
if (!virLogInitialized)
virLogStartup();
@ -509,15 +511,22 @@ void virLogMessage(const char *category, int priority, int flags,
gettimeofday(&cur_time, NULL);
localtime_r(&cur_time.tv_sec, &time_info);
if (asprintf(&msg, "%02d:%02d:%02d.%03d: %s : %s\n",
time_info.tm_hour, time_info.tm_min,
time_info.tm_sec, (int) cur_time.tv_usec / 1000,
virLogPriorityString(priority), str) < 0) {
/* apparently we're running out of memory */
VIR_FREE(str);
return;
if ((funcname != NULL) && (priority == VIR_LOG_DEBUG)) {
ret = asprintf(&msg, "%02d:%02d:%02d.%03d: %s : %s:%lld : %s\n",
time_info.tm_hour, time_info.tm_min,
time_info.tm_sec, (int) cur_time.tv_usec / 1000,
virLogPriorityString(priority), funcname, linenr, str);
} else {
ret = asprintf(&msg, "%02d:%02d:%02d.%03d: %s : %s\n",
time_info.tm_hour, time_info.tm_min,
time_info.tm_sec, (int) cur_time.tv_usec / 1000,
virLogPriorityString(priority), str);
}
VIR_FREE(str);
if (ret < 0) {
/* apparently we're running out of memory */
return;
}
/*
* Log based on defaults, first store in the history buffer
@ -532,8 +541,8 @@ void virLogMessage(const char *category, int priority, int flags,
virLogLock();
for (i = 0; i < virLogNbOutputs;i++) {
if (priority >= virLogOutputs[i].priority)
virLogOutputs[i].f(virLogOutputs[i].data, category, priority,
msg, len);
virLogOutputs[i].f(category, priority, funcname, linenr,
msg, len, virLogOutputs[i].data);
}
if ((virLogNbOutputs == 0) && (flags != 1))
safewrite(2, msg, len);
@ -542,9 +551,11 @@ void virLogMessage(const char *category, int priority, int flags,
VIR_FREE(msg);
}
static int virLogOutputToFd(void *data, const char *category ATTRIBUTE_UNUSED,
static int virLogOutputToFd(const char *category ATTRIBUTE_UNUSED,
int priority ATTRIBUTE_UNUSED,
const char *str, int len) {
const char *funcname ATTRIBUTE_UNUSED,
long long linenr ATTRIBUTE_UNUSED,
const char *str, int len, void *data) {
int fd = (long) data;
int ret;
@ -582,10 +593,12 @@ static int virLogAddOutputToFile(int priority, const char *file) {
}
#if HAVE_SYSLOG_H
static int virLogOutputToSyslog(void *data ATTRIBUTE_UNUSED,
const char *category ATTRIBUTE_UNUSED,
int priority, const char *str,
int len ATTRIBUTE_UNUSED) {
static int virLogOutputToSyslog(const char *category ATTRIBUTE_UNUSED,
int priority,
const char *funcname ATTRIBUTE_UNUSED,
long long linenr ATTRIBUTE_UNUSED,
const char *str, int len ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED) {
int prio;
switch (priority) {

62
src/logging.h
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@ -30,16 +30,22 @@
* defined at runtime of from the libvirt daemon configuration file
*/
#ifdef ENABLE_DEBUG
#define VIR_DEBUG(category, fmt,...) \
virLogMessage(category, VIR_LOG_DEBUG, 0, fmt, __VA_ARGS__)
#define VIR_INFO(category, fmt,...) \
virLogMessage(category, VIR_LOG_INFO, 0, fmt, __VA_ARGS__)
#define VIR_WARN(category, fmt,...) \
virLogMessage(category, VIR_LOG_WARN, 0, fmt, __VA_ARGS__)
#define VIR_ERROR(category, fmt,...) \
virLogMessage(category, VIR_LOG_ERROR, 0, fmt, __VA_ARGS__)
#define VIR_DEBUG(category, f, l, fmt,...) \
virLogMessage(category, VIR_LOG_DEBUG, f, l, 0, fmt, __VA_ARGS__)
#define VIR_INFO(category, f, l, fmt,...) \
virLogMessage(category, VIR_LOG_INFO, f, l, 0, fmt, __VA_ARGS__)
#define VIR_WARN(category, f, l, fmt,...) \
virLogMessage(category, VIR_LOG_WARN, f, l, 0, fmt, __VA_ARGS__)
#define VIR_ERROR(category, f, l, fmt,...) \
virLogMessage(category, VIR_LOG_ERROR, f, l, 0, fmt, __VA_ARGS__)
#else
#define VIR_DEBUG(category, fmt,...) \
#define VIR_DEBUG(category, f, l, fmt,...) \
do { } while (0)
#define VIR_INFO(category, f, l, fmt,...) \
do { } while (0)
#define VIR_WARN(category, f, l, fmt,...) \
do { } while (0)
#define VIR_ERROR(category, f, l, fmt,...) \
do { } while (0)
#define VIR_INFO(category, fmt,...) \
do { } while (0)
@ -49,14 +55,22 @@
do { } while (0)
#endif /* !ENABLE_DEBUG */
#define DEBUG(fmt,...) VIR_DEBUG(__FILE__, fmt, __VA_ARGS__)
#define DEBUG0(msg) VIR_DEBUG(__FILE__, "%s", msg)
#define INFO(fmt,...) VIR_INFO(__FILE__, fmt, __VA_ARGS__)
#define INFO0(msg) VIR_INFO(__FILE__, "%s", msg)
#define WARN(fmt,...) VIR_WARN(__FILE__, fmt, __VA_ARGS__)
#define WARN0(msg) VIR_WARN(__FILE__, "%s", msg)
#define ERROR(fmt,...) VIR_ERROR(__FILE__, fmt, __VA_ARGS__)
#define ERROR0(msg) VIR_ERROR(__FILE__, "%s", msg)
#define DEBUG(fmt,...) \
VIR_DEBUG("file." __FILE__, __func__, __LINE__, fmt, __VA_ARGS__)
#define DEBUG0(msg) \
VIR_DEBUG("file." __FILE__, __func__, __LINE__, "%s", msg)
#define INFO(fmt,...) \
VIR_INFO("file." __FILE__, __func__, __LINE__, fmt, __VA_ARGS__)
#define INFO0(msg) \
VIR_INFO("file." __FILE__, __func__, __LINE__, "%s", msg)
#define WARN(fmt,...) \
VIR_WARN("file." __FILE__, __func__, __LINE__, fmt, __VA_ARGS__)
#define WARN0(msg) \
VIR_WARN("file." __FILE__, __func__, __LINE__, "%s", msg)
#define ERROR(fmt,...) \
VIR_ERROR("file." __FILE__, __func__, __LINE__, fmt, __VA_ARGS__)
#define ERROR0(msg) \
VIR_ERROR("file." __FILE__, __func__, __LINE__, "%s", msg)
/*
@ -71,18 +85,21 @@ typedef enum {
/**
* virLogOutputFunc:
* @data: extra output logging data
* @category: the category for the message
* @priority: the priority for the message
* @funcname: the function emitting the message
* @linenr: line where the message was emitted
* @msg: the message to log, preformatted and zero terminated
* @len: the lenght of the message in bytes without the terminating zero
* @data: extra output logging data
*
* Callback function used to output messages
*
* Returns the number of bytes written or -1 in case of error
*/
typedef int (*virLogOutputFunc) (void *data, const char *category,
int priority, const char *str, int len);
typedef int (*virLogOutputFunc) (const char *category, int priority,
const char *funcname, long long lineno,
const char *str, int len, void *data);
/**
* virLogCloseFunc:
@ -110,7 +127,8 @@ extern int virLogReset(void);
extern void virLogShutdown(void);
extern int virLogParseFilters(const char *filters);
extern int virLogParseOutputs(const char *output);
extern void virLogMessage(const char *category, int priority, int flags,
const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 4, 5);
extern void virLogMessage(const char *category, int priority,
const char *funcname, long long linenr, int flags,
const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 6, 7);
#endif