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118 lines
3.8 KiB
118 lines
3.8 KiB
/*
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* syslog.h
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*
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*
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* Copyright 2015 Susi's Strolch
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*
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* For license information see projects "License.txt"
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*
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* part of syslog.c - client library
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*
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*/
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#ifndef _SYSLOG_H
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#define _SYSLOG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum syslog_state {
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SYSLOG_NONE, // not initialized
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SYSLOG_WAIT, // waiting for Wifi
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SYSLOG_INIT, // WIFI avail, must initialize
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SYSLOG_INITDONE,
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SYSLOG_DNSWAIT, // WIFI avail, init done, waiting for DNS resolve
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SYSLOG_READY, // Wifi established, ready to send
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SYSLOG_SENDING, // UDP package on the air
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SYSLOG_SEND,
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SYSLOG_SENT,
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SYSLOG_HALTED, // heap full, discard message
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SYSLOG_ERROR,
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};
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enum syslog_priority {
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SYSLOG_PRIO_EMERG, /* system is unusable */
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SYSLOG_PRIO_ALERT, /* action must be taken immediately */
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SYSLOG_PRIO_CRIT, /* critical conditions */
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SYSLOG_PRIO_ERR, /* error conditions */
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SYSLOG_PRIO_WARNING, /* warning conditions */
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SYSLOG_PRIO_NOTICE, /* normal but significant condition */
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SYSLOG_PRIO_INFO, /* informational */
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SYSLOG_PRIO_DEBUG, /* debug-level messages */
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};
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enum syslog_facility {
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SYSLOG_FAC_KERN, /* kernel messages */
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SYSLOG_FAC_USER, /* random user-level messages */
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SYSLOG_FAC_MAIL, /* mail system */
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SYSLOG_FAC_DAEMON, /* system daemons */
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SYSLOG_FAC_AUTH, /* security/authorization messages */
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SYSLOG_FAC_SYSLOG, /* messages generated internally by syslogd */
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SYSLOG_FAC_LPR, /* line printer subsystem */
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SYSLOG_FAC_NEWS, /* network news subsystem */
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SYSLOG_FAC_UUCP, /* UUCP subsystem */
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SYSLOG_FAC_CRON, /* clock daemon */
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SYSLOG_FAC_AUTHPRIV,/* security/authorization messages (private) */
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SYSLOG_FAC_FTP, /* ftp daemon */
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SYSLOG_FAC_LOCAL0, /* reserved for local use */
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SYSLOG_FAC_LOCAL1, /* reserved for local use */
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SYSLOG_FAC_LOCAL2, /* reserved for local use */
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SYSLOG_FAC_LOCAL3, /* reserved for local use */
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SYSLOG_FAC_LOCAL4, /* reserved for local use */
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SYSLOG_FAC_LOCAL5, /* reserved for local use */
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SYSLOG_FAC_LOCAL6, /* reserved for local use */
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SYSLOG_FAC_LOCAL7, /* reserved for local use */
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};
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#define MINIMUM_HEAP_SIZE 8192
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#define REG_READ(_r) (*(volatile uint32 *)(_r))
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#define WDEV_NOW() REG_READ(0x3ff20c00)
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// This variable disappeared from lwip in SDK 2.0...
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// extern uint32_t realtime_stamp; // 1sec NTP ticker
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typedef struct syslog_host_t syslog_host_t;
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struct syslog_host_t {
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uint32_t min_heap_size; // minimum allowed heap size when buffering
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ip_addr_t addr;
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uint16_t port;
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};
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// buffered syslog event - f.e. if network stack isn't up and running
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typedef struct syslog_entry_t syslog_entry_t;
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struct syslog_entry_t {
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syslog_entry_t *next;
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uint32_t msgid;
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uint32_t tick;
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uint16_t datagram_len;
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char datagram[];
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};
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syslog_host_t syslogserver;
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void ICACHE_FLASH_ATTR syslog_init(char *syslog_host);
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void ICACHE_FLASH_ATTR syslog(uint8_t facility, uint8_t severity, const char tag[], const char message[], ...);
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// some convenience macros
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#ifdef SYSLOG
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// extern char *esp_link_version; // in user_main.c
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#define LOG_DEBUG(format, ...) syslog(SYSLOG_FAC_USER, SYSLOG_PRIO_DEBUG, "esp_link", format, ## __VA_ARGS__ )
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#define LOG_NOTICE(format, ...) syslog(SYSLOG_FAC_USER, SYSLOG_PRIO_NOTICE, "esp_link", format, ## __VA_ARGS__ )
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#define LOG_INFO(format, ...) syslog(SYSLOG_FAC_USER, SYSLOG_PRIO_INFO, "esp_link", format, ## __VA_ARGS__ )
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#define LOG_WARN(format, ...) syslog(SYSLOG_FAC_USER, SYSLOG_PRIO_WARNING, "esp_link", format, ## __VA_ARGS__ )
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#define LOG_ERR(format, ...) syslog(SYSLOG_FAC_USER, SYSLOG_PRIO_ERR, "esp_link", format, ## __VA_ARGS__ )
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#else
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#define LOG_DEBUG(format, ...) do { } while(0)
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#define LOG_NOTICE(format, ...) do { } while(0)
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#define LOG_WARN(format, ...) do { } while(0)
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#define LOG_INFO(format, ...) do { } while(0)
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#define LOG_ERR(format, ...) do { } while(0)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYSLOG_H */
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