diff options
Diffstat (limited to 'libglusterfs/src/logging.c')
| -rw-r--r-- | libglusterfs/src/logging.c | 1134 |
1 files changed, 909 insertions, 225 deletions
diff --git a/libglusterfs/src/logging.c b/libglusterfs/src/logging.c index 000c2ccd3..5deb90cda 100644 --- a/libglusterfs/src/logging.c +++ b/libglusterfs/src/logging.c @@ -1,20 +1,11 @@ /* - Copyright (c) 2006-2009 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> This file is part of GlusterFS. - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #ifndef _CONFIG_H @@ -31,323 +22,1016 @@ #include <string.h> #include <stdlib.h> +#ifdef GF_USE_SYSLOG +#include <libintl.h> +#include <syslog.h> +#include <sys/stat.h> +#include "gf-error-codes.h" + +#define GF_JSON_MSG_LENGTH 8192 +#define GF_SYSLOG_CEE_FORMAT \ + "@cee: {\"msg\": \"%s\", \"gf_code\": \"%u\", \"gf_message\": \"%s\"}" +#define GF_LOG_CONTROL_FILE "/etc/glusterfs/logger.conf" +#endif /* GF_USE_SYSLOG */ + #include "xlator.h" #include "logging.h" #include "defaults.h" +#include "glusterfs.h" -static pthread_mutex_t logfile_mutex; -static char *filename = NULL; -static uint8_t logrotate = 0; +#ifdef GF_LINUX_HOST_OS +#include <syslog.h> +#endif -static FILE *logfile = NULL; -static gf_loglevel_t loglevel = GF_LOG_MAX; +#ifdef HAVE_BACKTRACE +#include <execinfo.h> +#endif -gf_loglevel_t gf_log_loglevel; /* extern'd */ -FILE *gf_log_logfile; +/* Ideally this should get moved to logging.h */ +struct _msg_queue { + struct list_head msgs; +}; +struct _log_msg { + const char *msg; + struct list_head queue; +}; -void +void gf_log_logrotate (int signum) { - logrotate = 1; + THIS->ctx->log.logrotate = 1; +} + +void +gf_log_enable_syslog (void) +{ + THIS->ctx->log.gf_log_syslog = 1; } +void +gf_log_disable_syslog (void) +{ + THIS->ctx->log.gf_log_syslog = 0; +} -gf_loglevel_t +gf_loglevel_t gf_log_get_loglevel (void) { - return loglevel; + return THIS->ctx->log.loglevel; } - void gf_log_set_loglevel (gf_loglevel_t level) { - gf_log_loglevel = loglevel = level; + THIS->ctx->log.loglevel = level; } -void -gf_log_fini (void) +gf_loglevel_t +gf_log_get_xl_loglevel (void *this) { - pthread_mutex_destroy (&logfile_mutex); + xlator_t *xl = this; + if (!xl) + return 0; + return xl->loglevel; } +void +gf_log_set_xl_loglevel (void *this, gf_loglevel_t level) +{ + xlator_t *xl = this; + if (!xl) + return; + xl->ctx->log.gf_log_xl_log_set = 1; + xl->loglevel = level; +} -int -gf_log_init (const char *file) +void +gf_log_fini (void) { - if (!file){ - fprintf (stderr, "gf_log_init: no filename specified\n"); - return -1; - } - - pthread_mutex_init (&logfile_mutex, NULL); - - filename = gf_strdup (file); - if (!filename) { - fprintf (stderr, "gf_log_init: strdup error\n"); - return -1; - } - - logfile = fopen (file, "a"); - if (!logfile){ - fprintf (stderr, - "gf_log_init: failed to open logfile \"%s\" (%s)\n", - file, - strerror (errno)); - return -1; - } - - gf_log_logfile = logfile; - - return 0; + pthread_mutex_destroy (&THIS->ctx->log.logfile_mutex); } -/* - * Initialize logging to a central server. - * If successful, log messages will be written both to - * the local file and to the remote server. +#ifdef GF_USE_SYSLOG +/** + * gf_get_error_message -function to get error message for given error code + * @error_code: error code defined by log book + * + * @return: success: string + * failure: NULL */ +const char * +gf_get_error_message (int error_code) { + return _gf_get_message (error_code); +} -static int __central_log_enabled = 0; -struct _msg_queue { - struct list_head msgs; -}; +/** + * gf_openlog -function to open syslog specific to gluster based on + * existence of file /etc/glusterfs/logger.conf + * @ident: optional identification string similar to openlog() + * @option: optional value to option to openlog(). Passing -1 uses + * 'LOG_PID | LOG_NDELAY' as default + * @facility: optional facility code similar to openlog(). Passing -1 + * uses LOG_DAEMON as default + * + * @return: void + */ +void +gf_openlog (const char *ident, int option, int facility) +{ + int _option = option; + int _facility = facility; -struct _log_msg { - const char *msg; - struct list_head queue; -}; + if (-1 == _option) { + _option = LOG_PID | LOG_NDELAY; + } + if (-1 == _facility) { + _facility = LOG_LOCAL1; + } + setlocale(LC_ALL, ""); + bindtextdomain("gluster", "/usr/share/locale"); + textdomain("gluster"); + openlog(ident, _option, _facility); +} -void -gf_log_lock (void) +/** + * _json_escape -function to convert string to json encoded string + * @str: input string + * @buf: buffer to store encoded string + * @len: length of @buf + * + * @return: success: last unprocessed character position by pointer in @str + * failure: NULL + * + * Internal function. Heavily inspired by _ul_str_escape() function in + * libumberlog + * + * Sample output: + * [1] str = "devel error" + * buf = "devel error" + * [2] str = "devel error" + * buf = "devel\terror" + * [3] str = "I/O error on "/tmp/foo" file" + * buf = "I/O error on \"/tmp/foo\" file" + * [4] str = "I/O erroron /tmp/bar file" + * buf = "I/O error\u001bon /tmp/bar file" + * + */ +char * +_json_escape(const char *str, char *buf, size_t len) { - pthread_mutex_lock (&logfile_mutex); + static const unsigned char json_exceptions[UCHAR_MAX + 1] = + { + [0x01] = 1, [0x02] = 1, [0x03] = 1, [0x04] = 1, + [0x05] = 1, [0x06] = 1, [0x07] = 1, [0x08] = 1, + [0x09] = 1, [0x0a] = 1, [0x0b] = 1, [0x0c] = 1, + [0x0d] = 1, [0x0e] = 1, [0x0f] = 1, [0x10] = 1, + [0x11] = 1, [0x12] = 1, [0x13] = 1, [0x14] = 1, + [0x15] = 1, [0x16] = 1, [0x17] = 1, [0x18] = 1, + [0x19] = 1, [0x1a] = 1, [0x1b] = 1, [0x1c] = 1, + [0x1d] = 1, [0x1e] = 1, [0x1f] = 1, + ['\\'] = 1, ['"'] = 1 + }; + static const char json_hex_chars[16] = "0123456789abcdef"; + unsigned char *p = NULL; + size_t pos = 0; + + if (!str || !buf || len <= 0) { + return NULL; + } + + for (p = (unsigned char *)str; + *p && (pos + 1) < len; + p++) + { + if (json_exceptions[*p] == 0) { + buf[pos++] = *p; + continue; + } + + if ((pos + 2) >= len) { + break; + } + + switch (*p) + { + case '\b': + buf[pos++] = '\\'; + buf[pos++] = 'b'; + break; + case '\n': + buf[pos++] = '\\'; + buf[pos++] = 'n'; + break; + case '\r': + buf[pos++] = '\\'; + buf[pos++] = 'r'; + break; + case '\t': + buf[pos++] = '\\'; + buf[pos++] = 't'; + break; + case '\\': + buf[pos++] = '\\'; + buf[pos++] = '\\'; + break; + case '"': + buf[pos++] = '\\'; + buf[pos++] = '"'; + break; + default: + if ((pos + 6) >= len) { + buf[pos] = '\0'; + return (char *)p; + } + buf[pos++] = '\\'; + buf[pos++] = 'u'; + buf[pos++] = '0'; + buf[pos++] = '0'; + buf[pos++] = json_hex_chars[(*p) >> 4]; + buf[pos++] = json_hex_chars[(*p) & 0xf]; + break; + } + } + + buf[pos] = '\0'; + return (char *)p; } -void -gf_log_unlock (void) +/** + * gf_syslog -function to submit message to syslog specific to gluster + * @error_code: error code defined by log book + * @facility_priority: facility_priority of syslog() + * @format: optional format string to syslog() + * + * @return: void + */ +void +gf_syslog (int error_code, int facility_priority, char *format, ...) { - pthread_mutex_unlock (&logfile_mutex); + char *msg = NULL; + char json_msg[GF_JSON_MSG_LENGTH]; + GF_UNUSED char *p = NULL; + const char *error_message = NULL; + char json_error_message[GF_JSON_MSG_LENGTH]; + va_list ap; + + error_message = gf_get_error_message (error_code); + + va_start (ap, format); + if (format) { + vasprintf (&msg, format, ap); + p = _json_escape (msg, json_msg, GF_JSON_MSG_LENGTH); + if (error_message) { + p = _json_escape (error_message, json_error_message, + GF_JSON_MSG_LENGTH); + syslog (facility_priority, GF_SYSLOG_CEE_FORMAT, + json_msg, error_code, json_error_message); + } else { + /* ignore the error code because no error message for it + and use normal syslog */ + syslog (facility_priority, "%s", msg); + } + free (msg); + } else { + if (error_message) { + /* no user message: treat error_message as msg */ + syslog (facility_priority, GF_SYSLOG_CEE_FORMAT, + json_error_message, error_code, + json_error_message); + } else { + /* cannot produce log as neither error_message nor + msg available */ + } + } + va_end (ap); } - +#endif /* GF_USE_SYSLOG */ void -gf_log_cleanup (void) +gf_log_globals_init (void *data) { - pthread_mutex_destroy (&logfile_mutex); + glusterfs_ctx_t *ctx = data; + + pthread_mutex_init (&ctx->log.logfile_mutex, NULL); + + ctx->log.loglevel = GF_LOG_INFO; + ctx->log.gf_log_syslog = 1; + ctx->log.sys_log_level = GF_LOG_CRITICAL; + +#ifndef GF_USE_SYSLOG +#ifdef GF_LINUX_HOST_OS + /* For the 'syslog' output. one can grep 'GlusterFS' in syslog + for serious logs */ + openlog ("GlusterFS", LOG_PID, LOG_DAEMON); +#endif +#endif } +int +gf_log_init (void *data, const char *file, const char *ident) +{ + glusterfs_ctx_t *ctx = NULL; + int fd = -1; + + ctx = data; + +#if defined(GF_USE_SYSLOG) + { + /* use default ident and option */ + /* TODO: make FACILITY configurable than LOG_DAEMON */ + struct stat buf; + + if (stat (GF_LOG_CONTROL_FILE, &buf) == 0) { + /* use syslog logging */ + ctx->log.log_control_file_found = 1; + if (ident) { + /* we need to keep this value as */ + /* syslog uses it on every logging */ + ctx->log.ident = gf_strdup (ident); + gf_openlog (ctx->log.ident, -1, LOG_DAEMON); + } else { + gf_openlog (NULL, -1, LOG_DAEMON); + } + } else { + /* use old style logging */ + ctx->log.log_control_file_found = 0; + } + } +#endif + + if (!file){ + fprintf (stderr, "ERROR: no filename specified\n"); + return -1; + } + + if (strcmp (file, "-") == 0) { + ctx->log.gf_log_logfile = stderr; + ctx->log.logfile = stderr; + return 0; + } + + ctx->log.filename = gf_strdup (file); + if (!ctx->log.filename) { + fprintf (stderr, "ERROR: updating log-filename failed: %s\n", + strerror (errno)); + return -1; + } + + fd = open (file, O_CREAT | O_RDONLY, S_IRUSR | S_IWUSR); + if (fd < 0) { + fprintf (stderr, "ERROR: failed to create logfile \"%s\" (%s)\n", + file, strerror (errno)); + return -1; + } + close (fd); + + ctx->log.logfile = fopen (file, "a"); + if (!ctx->log.logfile){ + fprintf (stderr, "ERROR: failed to open logfile \"%s\" (%s)\n", + file, strerror (errno)); + return -1; + } + + ctx->log.gf_log_logfile = ctx->log.logfile; + + return 0; +} + +void +set_sys_log_level (gf_loglevel_t level) +{ + THIS->ctx->log.sys_log_level = level; +} int -_gf_log (const char *domain, const char *file, const char *function, int line, - gf_loglevel_t level, const char *fmt, ...) +_gf_log_nomem (const char *domain, const char *file, + const char *function, int line, gf_loglevel_t level, + size_t size) { - const char *basename = NULL; - FILE *new_logfile = NULL; - va_list ap; - struct tm *tm = NULL; - char timestr[256]; - struct timeval tv = {0,}; + const char *basename = NULL; + xlator_t *this = NULL; + struct timeval tv = {0,}; + int ret = 0; + char msg[8092] = {0,}; + char timestr[256] = {0,}; + char callstr[4096] = {0,}; + glusterfs_ctx_t *ctx = NULL; + + this = THIS; + ctx = this->ctx; + + if (ctx->log.gf_log_xl_log_set) { + if (this->loglevel && (level > this->loglevel)) + goto out; + } + if (level > ctx->log.loglevel) + goto out; - char *str1 = NULL; - char *str2 = NULL; - char *msg = NULL; - size_t len = 0; - int ret = 0; - - static char *level_strings[] = {"", /* NONE */ - "C", /* CRITICAL */ - "E", /* ERROR */ - "W", /* WARNING */ - "N", /* NORMAL */ - "D", /* DEBUG */ + static char *level_strings[] = {"", /* NONE */ + "M", /* EMERGENCY */ + "A", /* ALERT */ + "C", /* CRITICAL */ + "E", /* ERROR */ + "W", /* WARNING */ + "N", /* NOTICE */ + "I", /* INFO */ + "D", /* DEBUG */ "T", /* TRACE */ - ""}; - - if (!domain || !file || !function || !fmt) { - fprintf (stderr, - "logging: %s:%s():%d: invalid argument\n", - __FILE__, __PRETTY_FUNCTION__, __LINE__); - return -1; - } - - if (!logfile) { - fprintf (stderr, "no logfile set\n"); - return (-1); - } - - if (logrotate) { - logrotate = 0; - - new_logfile = fopen (filename, "a"); - if (!new_logfile) { - gf_log ("logrotate", GF_LOG_CRITICAL, - "failed to open logfile %s (%s)", - filename, strerror (errno)); - goto log; - } - - fclose (logfile); - gf_log_logfile = logfile = new_logfile; - } + ""}; -log: + if (!domain || !file || !function) { + fprintf (stderr, + "logging: %s:%s():%d: invalid argument\n", + __FILE__, __PRETTY_FUNCTION__, __LINE__); + return -1; + } + + basename = strrchr (file, '/'); + if (basename) + basename++; + else + basename = file; + +#if HAVE_BACKTRACE + /* Print 'calling function' */ + do { + void *array[5]; + char **callingfn = NULL; + size_t bt_size = 0; + + bt_size = backtrace (array, 5); + if (bt_size) + callingfn = backtrace_symbols (&array[2], bt_size-2); + if (!callingfn) + break; + + if (bt_size == 5) + snprintf (callstr, 4096, "(-->%s (-->%s (-->%s)))", + callingfn[2], callingfn[1], callingfn[0]); + if (bt_size == 4) + snprintf (callstr, 4096, "(-->%s (-->%s))", + callingfn[1], callingfn[0]); + if (bt_size == 3) + snprintf (callstr, 4096, "(-->%s)", callingfn[0]); + + free (callingfn); + } while (0); +#endif /* HAVE_BACKTRACE */ + +#if defined(GF_USE_SYSLOG) + if (ctx->log.log_control_file_found) + { + int priority; + /* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and + other level as is */ + if (GF_LOG_TRACE == level || GF_LOG_NONE == level) { + priority = LOG_DEBUG; + } else { + priority = level - 1; + } + gf_syslog (GF_ERR_DEV, priority, + "[%s:%d:%s] %s %s: no memory " + "available for size (%"GF_PRI_SIZET")", + basename, line, function, callstr, domain, + size); + goto out; + } +#endif /* GF_USE_SYSLOG */ ret = gettimeofday (&tv, NULL); if (-1 == ret) goto out; + gf_time_fmt (timestr, sizeof timestr, tv.tv_sec, gf_timefmt_FT); + snprintf (timestr + strlen (timestr), sizeof timestr - strlen (timestr), + ".%"GF_PRI_SUSECONDS, tv.tv_usec); + + ret = sprintf (msg, "[%s] %s [%s:%d:%s] %s %s: no memory " + "available for size (%"GF_PRI_SIZET")", + timestr, level_strings[level], + basename, line, function, callstr, + domain, size); + if (-1 == ret) { + goto out; + } + + pthread_mutex_lock (&ctx->log.logfile_mutex); + { + if (ctx->log.logfile) { + fprintf (ctx->log.logfile, "%s\n", msg); + } else { + fprintf (stderr, "%s\n", msg); + } + +#ifdef GF_LINUX_HOST_OS + /* We want only serious log in 'syslog', not our debug + and trace logs */ + if (ctx->log.gf_log_syslog && level && + (level <= ctx->log.sys_log_level)) + syslog ((level-1), "%s\n", msg); +#endif + } - tm = localtime (&tv.tv_sec); + pthread_mutex_unlock (&ctx->log.logfile_mutex); +out: + return ret; + } - if (level > loglevel) { - goto out; - } +int +_gf_log_callingfn (const char *domain, const char *file, const char *function, + int line, gf_loglevel_t level, const char *fmt, ...) +{ + const char *basename = NULL; + xlator_t *this = NULL; + char *str1 = NULL; + char *str2 = NULL; + char *msg = NULL; + char timestr[256] = {0,}; + char callstr[4096] = {0,}; + struct timeval tv = {0,}; + size_t len = 0; + int ret = 0; + va_list ap; + glusterfs_ctx_t *ctx = NULL; + + this = THIS; + ctx = this->ctx; + + if (ctx->log.gf_log_xl_log_set) { + if (this->loglevel && (level > this->loglevel)) + goto out; + } + if (level > ctx->log.loglevel) + goto out; - pthread_mutex_lock (&logfile_mutex); - { - va_start (ap, fmt); + static char *level_strings[] = {"", /* NONE */ + "M", /* EMERGENCY */ + "A", /* ALERT */ + "C", /* CRITICAL */ + "E", /* ERROR */ + "W", /* WARNING */ + "N", /* NOTICE */ + "I", /* INFO */ + "D", /* DEBUG */ + "T", /* TRACE */ + ""}; - strftime (timestr, 256, "%Y-%m-%d %H:%M:%S", tm); - snprintf (timestr + strlen (timestr), 256 - strlen (timestr), - ".%"GF_PRI_SUSECONDS, tv.tv_usec); + if (!domain || !file || !function || !fmt) { + fprintf (stderr, + "logging: %s:%s():%d: invalid argument\n", + __FILE__, __PRETTY_FUNCTION__, __LINE__); + return -1; + } - basename = strrchr (file, '/'); - if (basename) - basename++; - else - basename = file; + basename = strrchr (file, '/'); + if (basename) + basename++; + else + basename = file; + +#if HAVE_BACKTRACE + /* Print 'calling function' */ + do { + void *array[5]; + char **callingfn = NULL; + size_t size = 0; + + size = backtrace (array, 5); + if (size) + callingfn = backtrace_symbols (&array[2], size-2); + if (!callingfn) + break; - ret = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %s: ", - timestr, level_strings[level], - basename, line, function, - domain); - if (-1 == ret) { - goto unlock; + if (size == 5) + snprintf (callstr, 4096, "(-->%s (-->%s (-->%s)))", + callingfn[2], callingfn[1], callingfn[0]); + if (size == 4) + snprintf (callstr, 4096, "(-->%s (-->%s))", + callingfn[1], callingfn[0]); + if (size == 3) + snprintf (callstr, 4096, "(-->%s)", callingfn[0]); + + free (callingfn); + } while (0); +#endif /* HAVE_BACKTRACE */ + +#if defined(GF_USE_SYSLOG) + if (ctx->log.log_control_file_found) + { + int priority; + /* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and + other level as is */ + if (GF_LOG_TRACE == level || GF_LOG_NONE == level) { + priority = LOG_DEBUG; + } else { + priority = level - 1; } - ret = vasprintf (&str2, fmt, ap); - if (-1 == ret) { - goto unlock; - } + va_start (ap, fmt); + vasprintf (&str2, fmt, ap); + va_end (ap); + + gf_syslog (GF_ERR_DEV, priority, + "[%s:%d:%s] %s %d-%s: %s", + basename, line, function, + callstr, + ((this->graph) ? this->graph->id:0), domain, + str2); + + goto out; + } +#endif /* GF_USE_SYSLOG */ + ret = gettimeofday (&tv, NULL); + if (-1 == ret) + goto out; + va_start (ap, fmt); + gf_time_fmt (timestr, sizeof timestr, tv.tv_sec, gf_timefmt_FT); + snprintf (timestr + strlen (timestr), sizeof timestr - strlen (timestr), + ".%"GF_PRI_SUSECONDS, tv.tv_usec); + + ret = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %s %d-%s: ", + timestr, level_strings[level], + basename, line, function, callstr, + ((this->graph) ? this->graph->id:0), domain); + if (-1 == ret) { + goto out; + } - va_end (ap); + ret = vasprintf (&str2, fmt, ap); + if (-1 == ret) { + goto out; + } - len = strlen (str1); - msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char); - - strcpy (msg, str1); - strcpy (msg + len, str2); + va_end (ap); - fprintf (logfile, "%s\n", msg); - fflush (logfile); - } -unlock: - pthread_mutex_unlock (&logfile_mutex); + len = strlen (str1); + msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char); - if (msg) { - if ((ret != -1) && __central_log_enabled && - ((glusterfs_central_log_flag_get ()) == 0)) { + strcpy (msg, str1); + strcpy (msg + len, str2); - glusterfs_central_log_flag_set (); - { - //gf_log_central (msg); - } - glusterfs_central_log_flag_unset (); + pthread_mutex_lock (&ctx->log.logfile_mutex); + { + if (ctx->log.logfile) { + fprintf (ctx->log.logfile, "%s\n", msg); + } else { + fprintf (stderr, "%s\n", msg); } - GF_FREE (msg); + +#ifdef GF_LINUX_HOST_OS + /* We want only serious log in 'syslog', not our debug + and trace logs */ + if (ctx->log.gf_log_syslog && level && + (level <= ctx->log.sys_log_level)) + syslog ((level-1), "%s\n", msg); +#endif } - if (str1) - GF_FREE (str1); - - if (str2) - FREE (str2); + pthread_mutex_unlock (&ctx->log.logfile_mutex); out: - return (0); + GF_FREE (msg); + + GF_FREE (str1); + + FREE (str2); + + return ret; } +int +_gf_log (const char *domain, const char *file, const char *function, int line, + gf_loglevel_t level, const char *fmt, ...) +{ + const char *basename = NULL; + FILE *new_logfile = NULL; + va_list ap; + char timestr[256] = {0,}; + struct timeval tv = {0,}; + char *str1 = NULL; + char *str2 = NULL; + char *msg = NULL; + size_t len = 0; + int ret = 0; + int fd = -1; + xlator_t *this = NULL; + glusterfs_ctx_t *ctx = NULL; + + this = THIS; + ctx = this->ctx; + + if (ctx->log.gf_log_xl_log_set) { + if (this->loglevel && (level > this->loglevel)) + goto out; + } + if (level > ctx->log.loglevel) + goto out; -struct _client_log { - char *identifier; - FILE *file; - struct list_head list; -}; + static char *level_strings[] = {"", /* NONE */ + "M", /* EMERGENCY */ + "A", /* ALERT */ + "C", /* CRITICAL */ + "E", /* ERROR */ + "W", /* WARNING */ + "N", /* NOTICE */ + "I", /* INFO */ + "D", /* DEBUG */ + "T", /* TRACE */ + ""}; -struct _client_log *client_logs = NULL; + if (!domain || !file || !function || !fmt) { + fprintf (stderr, + "logging: %s:%s():%d: invalid argument\n", + __FILE__, __PRETTY_FUNCTION__, __LINE__); + return -1; + } + basename = strrchr (file, '/'); + if (basename) + basename++; + else + basename = file; + +#if defined(GF_USE_SYSLOG) + if (ctx->log.log_control_file_found) + { + int priority; + /* treat GF_LOG_TRACE and GF_LOG_NONE as LOG_DEBUG and + other level as is */ + if (GF_LOG_TRACE == level || GF_LOG_NONE == level) { + priority = LOG_DEBUG; + } else { + priority = level - 1; + } -static void -client_log_init (struct _client_log *cl, char *identifier) -{ - int ret = 0; - char *path = NULL; + va_start (ap, fmt); + vasprintf (&str2, fmt, ap); + va_end (ap); + + gf_syslog (GF_ERR_DEV, priority, + "[%s:%d:%s] %d-%s: %s", + basename, line, function, + ((this->graph) ? this->graph->id:0), domain, str2); + goto err; + } +#endif /* GF_USE_SYSLOG */ + + if (ctx->log.logrotate) { + ctx->log.logrotate = 0; - cl->identifier = identifier; + fd = open (ctx->log.filename, + O_CREAT | O_RDONLY, S_IRUSR | S_IWUSR); + if (fd < 0) { + gf_log ("logrotate", GF_LOG_ERROR, + "%s", strerror (errno)); + return -1; + } + close (fd); + + new_logfile = fopen (ctx->log.filename, "a"); + if (!new_logfile) { + gf_log ("logrotate", GF_LOG_CRITICAL, + "failed to open logfile %s (%s)", + ctx->log.filename, strerror (errno)); + goto log; + } + + pthread_mutex_lock (&ctx->log.logfile_mutex); + { + if (ctx->log.logfile) + fclose (ctx->log.logfile); + + ctx->log.gf_log_logfile = ctx->log.logfile = new_logfile; + } + pthread_mutex_unlock (&ctx->log.logfile_mutex); + + } - ret = gf_asprintf (&path, "%s.client-%s", filename, identifier); +log: + ret = gettimeofday (&tv, NULL); + if (-1 == ret) + goto out; + va_start (ap, fmt); + gf_time_fmt (timestr, sizeof timestr, tv.tv_sec, gf_timefmt_FT); + snprintf (timestr + strlen (timestr), sizeof timestr - strlen (timestr), + ".%"GF_PRI_SUSECONDS, tv.tv_usec); + + ret = gf_asprintf (&str1, "[%s] %s [%s:%d:%s] %d-%s: ", + timestr, level_strings[level], + basename, line, function, + ((this->graph)?this->graph->id:0), domain); if (-1 == ret) { - return; + goto err; } - cl->file = fopen (path, "a"); - GF_FREE (path); - - INIT_LIST_HEAD (&cl->list); -} + ret = vasprintf (&str2, fmt, ap); + if (-1 == ret) { + goto err; + } -static FILE * -__logfile_for_client (char *identifier) -{ - struct _client_log *client = NULL; + va_end (ap); + + len = strlen (str1); + msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char); - if (!client_logs) { - client = GF_CALLOC (1, sizeof (*client), - gf_common_mt_client_log); - if (!client) - return NULL; + strcpy (msg, str1); + strcpy (msg + len, str2); - client_log_init (client, identifier); + pthread_mutex_lock (&ctx->log.logfile_mutex); + { + + if (ctx->log.logfile) { + fprintf (ctx->log.logfile, "%s\n", msg); + fflush (ctx->log.logfile); + } else { + fprintf (stderr, "%s\n", msg); + fflush (stderr); + } - client_logs = client; +#ifdef GF_LINUX_HOST_OS + /* We want only serious log in 'syslog', not our debug + and trace logs */ + if (ctx->log.gf_log_syslog && level && + (level <= ctx->log.sys_log_level)) + syslog ((level-1), "%s\n", msg); +#endif } - list_for_each_entry (client, &client_logs->list, list) { - if (!strcmp (client->identifier, identifier)) - break; + pthread_mutex_unlock (&ctx->log.logfile_mutex); + +err: + GF_FREE (msg); + + GF_FREE (str1); + + FREE (str2); + +out: + return (0); +} + +int +_gf_log_eh (const char *function, const char *fmt, ...) +{ + int ret = -1; + va_list ap; + char *str1 = NULL; + char *str2 = NULL; + char *msg = NULL; + xlator_t *this = NULL; + + this = THIS; + + ret = gf_asprintf (&str1, "[%d] %s: ", + ((this->graph)?this->graph->id:0), + function); + if (-1 == ret) { + goto out; } - if (!client) { - client = GF_CALLOC (1, sizeof (*client), - gf_common_mt_client_log); - if (!client) - return NULL; + va_start (ap, fmt); + + ret = vasprintf (&str2, fmt, ap); + if (-1 == ret) { + goto out; + } - client_log_init (client, identifier); + va_end (ap); - list_add_tail (&client->list, &client_logs->list); + msg = GF_MALLOC (strlen (str1) + strlen (str2) + 1, gf_common_mt_char); + if (!msg) { + ret = -1; + goto out; } - return client->file; -} + strcpy (msg, str1); + strcat (msg, str2); + ret = eh_save_history (this->history, msg); + +out: + GF_FREE (str1); + + /* Use FREE instead of GF_FREE since str2 was allocated by vasprintf */ + if (str2) + FREE (str2); + + return ret; +} int -gf_log_from_client (const char *msg, char *identifier) +gf_cmd_log_init (const char *filename) { - FILE *client_log = NULL; + int fd = -1; + xlator_t *this = NULL; + glusterfs_ctx_t *ctx = NULL; - client_log = __logfile_for_client (identifier); + this = THIS; + ctx = this->ctx; - fprintf (client_log, "%s\n", msg); - fflush (client_log); + if (!filename){ + gf_log (this->name, GF_LOG_CRITICAL, "gf_cmd_log_init: no " + "filename specified\n"); + return -1; + } + + ctx->log.cmd_log_filename = gf_strdup (filename); + if (!ctx->log.cmd_log_filename) { + gf_log (this->name, GF_LOG_CRITICAL, + "gf_cmd_log_init: strdup error\n"); + return -1; + } + /* close and reopen cmdlogfile for log rotate*/ + if (ctx->log.cmdlogfile) { + fclose (ctx->log.cmdlogfile); + ctx->log.cmdlogfile = NULL; + } + fd = open (ctx->log.cmd_log_filename, + O_CREAT | O_RDONLY, S_IRUSR | S_IWUSR); + if (fd < 0) { + gf_log (this->name, GF_LOG_CRITICAL, + "%s", strerror (errno)); + return -1; + } + close (fd); + + ctx->log.cmdlogfile = fopen (ctx->log.cmd_log_filename, "a"); + if (!ctx->log.cmdlogfile){ + gf_log (this->name, GF_LOG_CRITICAL, + "gf_cmd_log_init: failed to open logfile \"%s\" " + "(%s)\n", ctx->log.cmd_log_filename, strerror (errno)); + return -1; + } return 0; } + +int +gf_cmd_log (const char *domain, const char *fmt, ...) +{ + va_list ap; + char timestr[64]; + struct timeval tv = {0,}; + char *str1 = NULL; + char *str2 = NULL; + char *msg = NULL; + size_t len = 0; + int ret = 0; + glusterfs_ctx_t *ctx = NULL; + + ctx = THIS->ctx; + if (!ctx->log.cmdlogfile) + return -1; + + + if (!domain || !fmt) { + gf_log ("glusterd", GF_LOG_TRACE, + "logging: invalid argument\n"); + return -1; + } + + ret = gettimeofday (&tv, NULL); + if (ret == -1) + goto out; + va_start (ap, fmt); + gf_time_fmt (timestr, sizeof timestr, tv.tv_sec, gf_timefmt_FT); + snprintf (timestr + strlen (timestr), 256 - strlen (timestr), + ".%"GF_PRI_SUSECONDS, tv.tv_usec); + + ret = gf_asprintf (&str1, "[%s] %s : ", + timestr, domain); + if (ret == -1) { + goto out; + } + + ret = vasprintf (&str2, fmt, ap); + if (ret == -1) { + goto out; + } + + va_end (ap); + + len = strlen (str1); + msg = GF_MALLOC (len + strlen (str2) + 1, gf_common_mt_char); + + strcpy (msg, str1); + strcpy (msg + len, str2); + + fprintf (ctx->log.cmdlogfile, "%s\n", msg); + fflush (ctx->log.cmdlogfile); + +out: + GF_FREE (msg); + + GF_FREE (str1); + + FREE (str2); + + return (0); +} |
