diff options
Diffstat (limited to 'libnetdata/log/log.h')
| -rw-r--r-- | libnetdata/log/log.h | 303 |
1 files changed, 221 insertions, 82 deletions
diff --git a/libnetdata/log/log.h b/libnetdata/log/log.h index cf0865cf..ad634693 100644 --- a/libnetdata/log/log.h +++ b/libnetdata/log/log.h @@ -9,6 +9,184 @@ extern "C" { #include "../libnetdata.h" +#define ND_LOG_DEFAULT_THROTTLE_LOGS 1000 +#define ND_LOG_DEFAULT_THROTTLE_PERIOD 60 + +typedef enum __attribute__((__packed__)) { + NDLS_UNSET = 0, // internal use only + NDLS_ACCESS, // access.log + NDLS_ACLK, // aclk.log + NDLS_COLLECTORS, // collectors.log + NDLS_DAEMON, // error.log + NDLS_HEALTH, // health.log + NDLS_DEBUG, // debug.log + + // terminator + _NDLS_MAX, +} ND_LOG_SOURCES; + +typedef enum __attribute__((__packed__)) { + NDLP_EMERG = LOG_EMERG, + NDLP_ALERT = LOG_ALERT, + NDLP_CRIT = LOG_CRIT, + NDLP_ERR = LOG_ERR, + NDLP_WARNING = LOG_WARNING, + NDLP_NOTICE = LOG_NOTICE, + NDLP_INFO = LOG_INFO, + NDLP_DEBUG = LOG_DEBUG, +} ND_LOG_FIELD_PRIORITY; + +typedef enum __attribute__((__packed__)) { + // KEEP THESE IN THE SAME ORDER AS in thread_log_fields (log.c) + // so that it easy to audit for missing fields + + NDF_STOP = 0, + NDF_TIMESTAMP_REALTIME_USEC, // the timestamp of the log message - added automatically + NDF_SYSLOG_IDENTIFIER, // the syslog identifier of the application - added automatically + NDF_LOG_SOURCE, // DAEMON, COLLECTORS, HEALTH, ACCESS, ACLK - set at the log call + NDF_PRIORITY, // the syslog priority (severity) - set at the log call + NDF_ERRNO, // the ERRNO at the time of the log call - added automatically + NDF_INVOCATION_ID, // the INVOCATION_ID of Netdata - added automatically + NDF_LINE, // the source code file line number - added automatically + NDF_FILE, // the source code filename - added automatically + NDF_FUNC, // the source code function - added automatically + NDF_TID, // the thread ID of the thread logging - added automatically + NDF_THREAD_TAG, // the thread tag of the thread logging - added automatically + NDF_MESSAGE_ID, // for specific events + NDF_MODULE, // for internal plugin module, all other get the NDF_THREAD_TAG + + NDF_NIDL_NODE, // the node / rrdhost currently being worked + NDF_NIDL_INSTANCE, // the instance / rrdset currently being worked + NDF_NIDL_CONTEXT, // the context of the instance currently being worked + NDF_NIDL_DIMENSION, // the dimension / rrddim currently being worked + + // web server, aclk and stream receiver + NDF_SRC_TRANSPORT, // the transport we received the request, one of: http, https, pluginsd + + // web server and stream receiver + NDF_SRC_IP, // the streaming / web server source IP + NDF_SRC_PORT, // the streaming / web server source Port + NDF_SRC_CAPABILITIES, // the stream receiver capabilities + + // stream sender (established links) + NDF_DST_TRANSPORT, // the transport we send the request, one of: http, https + NDF_DST_IP, // the destination streaming IP + NDF_DST_PORT, // the destination streaming Port + NDF_DST_CAPABILITIES, // the destination streaming capabilities + + // web server, aclk and stream receiver + NDF_REQUEST_METHOD, // for http like requests, the http request method + NDF_RESPONSE_CODE, // for http like requests, the http response code, otherwise a status string + + // web server (all), aclk (queries) + NDF_CONNECTION_ID, // the web server connection ID + NDF_TRANSACTION_ID, // the web server and API transaction ID + NDF_RESPONSE_SENT_BYTES, // for http like requests, the response bytes + NDF_RESPONSE_SIZE_BYTES, // for http like requests, the uncompressed response size + NDF_RESPONSE_PREPARATION_TIME_USEC, // for http like requests, the preparation time + NDF_RESPONSE_SENT_TIME_USEC, // for http like requests, the time to send the response back + NDF_RESPONSE_TOTAL_TIME_USEC, // for http like requests, the total time to complete the response + + // health alerts + NDF_ALERT_ID, + NDF_ALERT_UNIQUE_ID, + NDF_ALERT_EVENT_ID, + NDF_ALERT_TRANSITION_ID, + NDF_ALERT_CONFIG_HASH, + NDF_ALERT_NAME, + NDF_ALERT_CLASS, + NDF_ALERT_COMPONENT, + NDF_ALERT_TYPE, + NDF_ALERT_EXEC, + NDF_ALERT_RECIPIENT, + NDF_ALERT_DURATION, + NDF_ALERT_VALUE, + NDF_ALERT_VALUE_OLD, + NDF_ALERT_STATUS, + NDF_ALERT_STATUS_OLD, + NDF_ALERT_SOURCE, + NDF_ALERT_UNITS, + NDF_ALERT_SUMMARY, + NDF_ALERT_INFO, + NDF_ALERT_NOTIFICATION_REALTIME_USEC, + // NDF_ALERT_FLAGS, + + // put new items here + // leave the request URL and the message last + + NDF_REQUEST, // the request we are currently working on + NDF_MESSAGE, // the log message, if any + + // terminator + _NDF_MAX, +} ND_LOG_FIELD_ID; + +typedef enum __attribute__((__packed__)) { + NDFT_UNSET = 0, + NDFT_TXT, + NDFT_STR, + NDFT_BFR, + NDFT_U64, + NDFT_I64, + NDFT_DBL, + NDFT_UUID, + NDFT_CALLBACK, +} ND_LOG_STACK_FIELD_TYPE; + +void nd_log_set_user_settings(ND_LOG_SOURCES source, const char *setting); +void nd_log_set_facility(const char *facility); +void nd_log_set_priority_level(const char *setting); +void nd_log_initialize(void); +void nd_log_reopen_log_files(void); +void chown_open_file(int fd, uid_t uid, gid_t gid); +void nd_log_chown_log_files(uid_t uid, gid_t gid); +void nd_log_set_flood_protection(size_t logs, time_t period); +void nd_log_initialize_for_external_plugins(const char *name); +void nd_log_set_thread_source(ND_LOG_SOURCES source); +bool nd_log_journal_socket_available(void); +ND_LOG_FIELD_ID nd_log_field_id_by_name(const char *field, size_t len); +int nd_log_priority2id(const char *priority); +const char *nd_log_id2priority(ND_LOG_FIELD_PRIORITY priority); +const char *nd_log_method_for_external_plugins(const char *s); + +int nd_log_health_fd(void); +typedef bool (*log_formatter_callback_t)(BUFFER *wb, void *data); + +struct log_stack_entry { + ND_LOG_FIELD_ID id; + ND_LOG_STACK_FIELD_TYPE type; + bool set; + union { + const char *txt; + struct netdata_string *str; + BUFFER *bfr; + uint64_t u64; + int64_t i64; + double dbl; + const uuid_t *uuid; + struct { + log_formatter_callback_t formatter; + void *formatter_data; + } cb; + }; +}; + +#define ND_LOG_STACK _cleanup_(log_stack_pop) struct log_stack_entry +#define ND_LOG_STACK_PUSH(lgs) log_stack_push(lgs) + +#define ND_LOG_FIELD_TXT(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_TXT, .txt = (value), .set = true, } +#define ND_LOG_FIELD_STR(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_STR, .str = (value), .set = true, } +#define ND_LOG_FIELD_BFR(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_BFR, .bfr = (value), .set = true, } +#define ND_LOG_FIELD_U64(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_U64, .u64 = (value), .set = true, } +#define ND_LOG_FIELD_I64(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_I64, .i64 = (value), .set = true, } +#define ND_LOG_FIELD_DBL(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_DBL, .dbl = (value), .set = true, } +#define ND_LOG_FIELD_CB(field, func, data) (struct log_stack_entry){ .id = (field), .type = NDFT_CALLBACK, .cb = { .formatter = (func), .formatter_data = (data) }, .set = true, } +#define ND_LOG_FIELD_UUID(field, value) (struct log_stack_entry){ .id = (field), .type = NDFT_UUID, .uuid = (value), .set = true, } +#define ND_LOG_FIELD_END() (struct log_stack_entry){ .id = NDF_STOP, .type = NDFT_UNSET, .set = false, } + +void log_stack_pop(void *ptr); +void log_stack_push(struct log_stack_entry *lgs); + #define D_WEB_BUFFER 0x0000000000000001 #define D_WEB_CLIENT 0x0000000000000002 #define D_LISTENER 0x0000000000000004 @@ -46,114 +224,75 @@ extern "C" { #define D_REPLICATION 0x0000002000000000 #define D_SYSTEM 0x8000000000000000 -extern int web_server_is_multithreaded; - extern uint64_t debug_flags; extern const char *program_name; -extern int stdaccess_fd; -extern FILE *stdaccess; +#ifdef ENABLE_ACLK +extern int aclklog_enabled; +#endif -extern int stdhealth_fd; -extern FILE *stdhealth; +#define LOG_DATE_LENGTH 26 +void log_date(char *buffer, size_t len, time_t now); -extern int stdcollector_fd; -extern FILE *stderror; +static inline void debug_dummy(void) {} -extern const char *stdaccess_filename; -extern const char *stderr_filename; -extern const char *stdout_filename; -extern const char *stdhealth_filename; -extern const char *stdcollector_filename; -extern const char *facility_log; +void nd_log_limits_reset(void); +void nd_log_limits_unlimited(void); -#ifdef ENABLE_ACLK -extern const char *aclklog_filename; -extern int aclklog_fd; -extern FILE *aclklog; -extern int aclklog_enabled; +#define NDLP_INFO_STR "info" + +#ifdef NETDATA_INTERNAL_CHECKS +#define netdata_log_debug(type, args...) do { if(unlikely(debug_flags & type)) netdata_logger(NDLS_DEBUG, NDLP_DEBUG, __FILE__, __FUNCTION__, __LINE__, ##args); } while(0) +#define internal_error(condition, args...) do { if(unlikely(condition)) netdata_logger(NDLS_DAEMON, NDLP_DEBUG, __FILE__, __FUNCTION__, __LINE__, ##args); } while(0) +#define internal_fatal(condition, args...) do { if(unlikely(condition)) netdata_logger_fatal(__FILE__, __FUNCTION__, __LINE__, ##args); } while(0) +#else +#define netdata_log_debug(type, args...) debug_dummy() +#define internal_error(args...) debug_dummy() +#define internal_fatal(args...) debug_dummy() #endif -extern int access_log_syslog; -extern int error_log_syslog; -extern int output_log_syslog; -extern int health_log_syslog; +#define fatal(args...) netdata_logger_fatal(__FILE__, __FUNCTION__, __LINE__, ##args) +#define fatal_assert(expr) ((expr) ? (void)(0) : netdata_logger_fatal(__FILE__, __FUNCTION__, __LINE__, "Assertion `%s' failed", #expr)) -extern time_t error_log_throttle_period; -extern unsigned long error_log_errors_per_period, error_log_errors_per_period_backup; -int error_log_limit(int reset); +// ---------------------------------------------------------------------------- +// normal logging -void open_all_log_files(); -void reopen_all_log_files(); +void netdata_logger(ND_LOG_SOURCES source, ND_LOG_FIELD_PRIORITY priority, const char *file, const char *function, unsigned long line, const char *fmt, ... ) PRINTFLIKE(6, 7); +#define nd_log(NDLS, NDLP, args...) netdata_logger(NDLS, NDLP, __FILE__, __FUNCTION__, __LINE__, ##args) +#define nd_log_daemon(NDLP, args...) netdata_logger(NDLS_DAEMON, NDLP, __FILE__, __FUNCTION__, __LINE__, ##args) +#define nd_log_collector(NDLP, args...) netdata_logger(NDLS_COLLECTORS, NDLP, __FILE__, __FUNCTION__, __LINE__, ##args) -#define LOG_DATE_LENGTH 26 -void log_date(char *buffer, size_t len, time_t now); +#define netdata_log_info(args...) netdata_logger(NDLS_DAEMON, NDLP_INFO, __FILE__, __FUNCTION__, __LINE__, ##args) +#define netdata_log_error(args...) netdata_logger(NDLS_DAEMON, NDLP_ERR, __FILE__, __FUNCTION__, __LINE__, ##args) +#define collector_info(args...) netdata_logger(NDLS_COLLECTORS, NDLP_INFO, __FILE__, __FUNCTION__, __LINE__, ##args) +#define collector_error(args...) netdata_logger(NDLS_COLLECTORS, NDLP_ERR, __FILE__, __FUNCTION__, __LINE__, ##args) -static inline void debug_dummy(void) {} +#define log_aclk_message_bin(__data, __data_len, __tx, __mqtt_topic, __message_name) \ + nd_log(NDLS_ACLK, NDLP_INFO, \ + "direction:%s message:'%s' topic:'%s' json:'%.*s'", \ + (__tx) ? "OUTGOING" : "INCOMING", __message_name, __mqtt_topic, (int)(__data_len), __data) -void error_log_limit_reset(void); -void error_log_limit_unlimited(void); +// ---------------------------------------------------------------------------- +// logging with limits typedef struct error_with_limit { + SPINLOCK spinlock; time_t log_every; size_t count; time_t last_logged; usec_t sleep_ut; } ERROR_LIMIT; -typedef enum netdata_log_level { - NETDATA_LOG_LEVEL_ERROR, - NETDATA_LOG_LEVEL_INFO, - - NETDATA_LOG_LEVEL_END -} netdata_log_level_t; +#define nd_log_limit_static_global_var(var, log_every_secs, sleep_usecs) static ERROR_LIMIT var = { .last_logged = 0, .count = 0, .log_every = (log_every_secs), .sleep_ut = (sleep_usecs) } +#define nd_log_limit_static_thread_var(var, log_every_secs, sleep_usecs) static __thread ERROR_LIMIT var = { .last_logged = 0, .count = 0, .log_every = (log_every_secs), .sleep_ut = (sleep_usecs) } +void netdata_logger_with_limit(ERROR_LIMIT *erl, ND_LOG_SOURCES source, ND_LOG_FIELD_PRIORITY priority, const char *file, const char *function, unsigned long line, const char *fmt, ... ) PRINTFLIKE(7, 8);; +#define nd_log_limit(erl, NDLS, NDLP, args...) netdata_logger_with_limit(erl, NDLS, NDLP, __FILE__, __FUNCTION__, __LINE__, ##args) -#define NETDATA_LOG_LEVEL_INFO_STR "info" -#define NETDATA_LOG_LEVEL_ERROR_STR "error" -#define NETDATA_LOG_LEVEL_ERROR_SHORT_STR "err" - -extern netdata_log_level_t global_log_severity_level; -netdata_log_level_t log_severity_string_to_severity_level(char *level); -char *log_severity_level_to_severity_string(netdata_log_level_t level); -void log_set_global_severity_level(netdata_log_level_t value); -void log_set_global_severity_for_external_plugins(); - -#define error_limit_static_global_var(var, log_every_secs, sleep_usecs) static ERROR_LIMIT var = { .last_logged = 0, .count = 0, .log_every = (log_every_secs), .sleep_ut = (sleep_usecs) } -#define error_limit_static_thread_var(var, log_every_secs, sleep_usecs) static __thread ERROR_LIMIT var = { .last_logged = 0, .count = 0, .log_every = (log_every_secs), .sleep_ut = (sleep_usecs) } - -#ifdef NETDATA_INTERNAL_CHECKS -#define netdata_log_debug(type, args...) do { if(unlikely(debug_flags & type)) debug_int(__FILE__, __FUNCTION__, __LINE__, ##args); } while(0) -#define internal_error(condition, args...) do { if(unlikely(condition)) error_int(0, "IERR", __FILE__, __FUNCTION__, __LINE__, ##args); } while(0) -#define internal_fatal(condition, args...) do { if(unlikely(condition)) fatal_int(__FILE__, __FUNCTION__, __LINE__, ##args); } while(0) -#else -#define netdata_log_debug(type, args...) debug_dummy() -#define internal_error(args...) debug_dummy() -#define internal_fatal(args...) debug_dummy() -#endif - -#define netdata_log_info(args...) info_int(0, __FILE__, __FUNCTION__, __LINE__, ##args) -#define collector_info(args...) info_int(1, __FILE__, __FUNCTION__, __LINE__, ##args) -#define infoerr(args...) error_int(0, "INFO", __FILE__, __FUNCTION__, __LINE__, ##args) -#define netdata_log_error(args...) error_int(0, "ERROR", __FILE__, __FUNCTION__, __LINE__, ##args) -#define collector_infoerr(args...) error_int(1, "INFO", __FILE__, __FUNCTION__, __LINE__, ##args) -#define collector_error(args...) error_int(1, "ERROR", __FILE__, __FUNCTION__, __LINE__, ##args) -#define error_limit(erl, args...) error_limit_int(erl, "ERROR", __FILE__, __FUNCTION__, __LINE__, ##args) -#define fatal(args...) fatal_int(__FILE__, __FUNCTION__, __LINE__, ##args) -#define fatal_assert(expr) ((expr) ? (void)(0) : fatal_int(__FILE__, __FUNCTION__, __LINE__, "Assertion `%s' failed", #expr)) +// ---------------------------------------------------------------------------- void send_statistics(const char *action, const char *action_result, const char *action_data); -void debug_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... ) PRINTFLIKE(4, 5); -void info_int( int is_collector, const char *file, const char *function, const unsigned long line, const char *fmt, ... ) PRINTFLIKE(5, 6); -void error_int( int is_collector, const char *prefix, const char *file, const char *function, const unsigned long line, const char *fmt, ... ) PRINTFLIKE(6, 7); -void error_limit_int(ERROR_LIMIT *erl, const char *prefix, const char *file __maybe_unused, const char *function __maybe_unused, unsigned long line __maybe_unused, const char *fmt, ... ) PRINTFLIKE(6, 7);; -void fatal_int( const char *file, const char *function, const unsigned long line, const char *fmt, ... ) NORETURN PRINTFLIKE(4, 5); -void netdata_log_access( const char *fmt, ... ) PRINTFLIKE(1, 2); -void netdata_log_health( const char *fmt, ... ) PRINTFLIKE(1, 2); - -#ifdef ENABLE_ACLK -void log_aclk_message_bin( const char *data, const size_t data_len, int tx, const char *mqtt_topic, const char *message_name); -#endif +void netdata_logger_fatal( const char *file, const char *function, unsigned long line, const char *fmt, ... ) NORETURN PRINTFLIKE(4, 5); # ifdef __cplusplus } |