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#pragma once
#include <functional>
#include <stdarg.h>
#include <HardwareSerial.h>
#include <WString.h>
#include <Udp.h>
#define SYSLOG_BUF_LEN 512
typedef enum {
PANIC = 0,
ERROR,
WARN,
INFO,
DEBUG,
TRACE
} Priority;
#define LOG_EMERG 0 /* system is unusable */
#define LOG_ALERT 1 /* action must be taken immediately */
#define LOG_CRIT 2 /* critical conditions */
#define LOG_ERR 3 /* error conditions */
#define LOG_WARNING 4 /* warning conditions */
#define LOG_NOTICE 5 /* normal but significant condition */
#define LOG_INFO 6 /* informational */
#define LOG_DEBUG 7 /* debug-level messages */
#define LOG_PRIMASK 0x07 /* mask to extract priority part (internal) */
/* extract priority */
#define LOG_PRI(p) ((p) & LOG_PRIMASK)
#define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
/* facility codes */
#define LOG_KERN (0 << 3) /* kernel messages */
#define LOG_USER (1 << 3) /* random user-level messages */
#define LOG_MAIL (2 << 3) /* mail system */
#define LOG_DAEMON (3 << 3) /* system daemons */
#define LOG_AUTH (4 << 3) /* security/authorization messages */
#define LOG_SYSLOG (5 << 3) /* messages generated internally by syslogd */
#define LOG_LPR (6 << 3) /* line printer subsystem */
#define LOG_NEWS (7 << 3) /* network news subsystem */
#define LOG_UUCP (8 << 3) /* UUCP subsystem */
#define LOG_CRON (9 << 3) /* clock daemon */
#define LOG_AUTHPRIV (10 << 3) /* security/authorization messages (private) */
#define LOG_FTP (11 << 3) /* ftp daemon */
/* other codes through 15 reserved for system use */
#define LOG_LOCAL0 (16 << 3) /* reserved for local use */
#define LOG_LOCAL1 (17 << 3) /* reserved for local use */
#define LOG_LOCAL2 (18 << 3) /* reserved for local use */
#define LOG_LOCAL3 (19 << 3) /* reserved for local use */
#define LOG_LOCAL4 (20 << 3) /* reserved for local use */
#define LOG_LOCAL5 (21 << 3) /* reserved for local use */
#define LOG_LOCAL6 (22 << 3) /* reserved for local use */
#define LOG_LOCAL7 (23 << 3) /* reserved for local use */
#define LOG_NFACILITIES 24 /* current number of facilities */
#define LOG_FACMASK 0x03f8 /* mask to extract facility part */
/* facility of pri */
#define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
#define LOG_MASK(pri) (1 << (pri)) /* mask for one priority */
#define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) /* all priorities through pri */
class Syslog {
public:
Syslog();
~Syslog();
void operator() (Priority, const char *, ...);
void operator() (Priority, const __FlashStringHelper *, ...);
void operator() (Priority, String);
void log(Priority, const char *);
void log(Priority, const __FlashStringHelper *);
void log(Priority, String);
void logf(Priority, const char *, ...);
void logf(Priority, const __FlashStringHelper *, ...);
void time();
Syslog& setLevel(Priority);
Syslog& setFacility(uint16_t);
Syslog& setHostname(const char *);
Syslog& setHostname(String &);
Syslog& setApp(const char *);
Syslog& setApp(String &);
Syslog& setRemote(UDP &, const char *, int = 514);
Syslog& setTime(std::function<uint32_t(void)> func) {
timeFunc = func;
}
public:
const char *server = nullptr;
int port = 514;
const char *hostname = nullptr;
const char *app = nullptr;
uint16_t mask = LOG_INFO;
uint16_t facility = LOG_KERN;
std::function<uint32_t(void)> timeFunc = nullptr;
private:
char buf[SYSLOG_BUF_LEN];
UDP *client = nullptr;
void prio(Priority prio);
void send(uint16_t prio, const char *);
void send(uint16_t prio, const __FlashStringHelper *);
};
#if !defined(NO_GLOBAL_SYSLOG)
extern Syslog syslog;
#endif