/* * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef included_vlib_log_h #define included_vlib_log_h #include <vppinfra/types.h> #define foreach_vlib_log_level \ _(0, EMERG, emerg) \ _(1, ALERT, alert) \ _(2, CRIT, crit) \ _(3, ERR, err) \ _(4, WARNING, warn) \ _(5, NOTICE, notice) \ _(6, INFO, info) \ _(7, DEBUG, debug) \ _(8, DISABLED, disabled) typedef enum { #define _(n,uc,lc) VLIB_LOG_LEVEL_##uc = n, foreach_vlib_log_level #undef _ } vlib_log_level_t; typedef struct { vlib_log_level_t level; vlib_log_class_t class; f64 timestamp; u8 *string; } vlib_log_entry_t; typedef struct { u32 index; u8 *name; // level of log messages kept for this subclass vlib_log_level_t level; // level of log messages sent to syslog for this subclass vlib_log_level_t syslog_level; // flag saying whether this subclass is logged to syslog f64 last_event_timestamp; int last_sec_count; int is_throttling; int rate_limit; } vlib_log_subclass_data_t; typedef struct { u32 index; u8 *name; vlib_log_subclass_data_t *subclasses; } vlib_log_class_data_t; typedef struct { vlib_log_entry_t *entries; vlib_log_class_data_t *classes; int size, next, count; /* our own log class */ vlib_log_class_t log_class; int default_rate_limit; int default_log_level; int default_syslog_log_level; int unthrottle_time; u32 indent; /* time zero */ struct timeval time_zero_timeval; f64 time_zero; } vlib_log_main_t; extern vlib_log_main_t log_main; vlib_log_class_t vlib_log_register_class (char *vlass, char *subclass); u32 vlib_log_get_indent (); void vlib_log (vlib_log_level_t level, vlib_log_class_t class, char *fmt, ...); int last_log_entry (); u8 *format_vlib_log_class (u8 * s, va_list * args); #define vlib_log_emerg(...) vlib_log(VLIB_LOG_LEVEL_EMERG, __VA_ARGS__) #define vlib_log_alert(...) vlib_log(VLIB_LOG_LEVEL_ALERT, __VA_ARGS__) #define vlib_log_crit(...) vlib_log(VLIB_LOG_LEVEL_CRIT, __VA_ARGS__) #define vlib_log_err(...) vlib_log(VLIB_LOG_LEVEL_ERR, __VA_ARGS__) #define vlib_log_warn(...) vlib_log(VLIB_LOG_LEVEL_WARNING, __VA_ARGS__) #define vlib_log_notice(...) vlib_log(VLIB_LOG_LEVEL_NOTICE, __VA_ARGS__) #define vlib_log_info(...) vlib_log(VLIB_LOG_LEVEL_INFO, __VA_ARGS__) #define vlib_log_debug(...) vlib_log(VLIB_LOG_LEVEL_DEBUG, __VA_ARGS__) #endif /* included_vlib_log_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */