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