type Priority … const severityMask … const facilityMask … const LOG_EMERG … const LOG_ALERT … const LOG_CRIT … const LOG_ERR … const LOG_WARNING … const LOG_NOTICE … const LOG_INFO … const LOG_DEBUG … const LOG_KERN … const LOG_USER … const LOG_MAIL … const LOG_DAEMON … const LOG_AUTH … const LOG_SYSLOG … const LOG_LPR … const LOG_NEWS … const LOG_UUCP … const LOG_CRON … const LOG_AUTHPRIV … const LOG_FTP … const _ … const _ … const _ … const _ … const LOG_LOCAL0 … const LOG_LOCAL1 … const LOG_LOCAL2 … const LOG_LOCAL3 … const LOG_LOCAL4 … const LOG_LOCAL5 … const LOG_LOCAL6 … const LOG_LOCAL7 … type Writer … type serverConn … type netConn … // New establishes a new connection to the system log daemon. Each // write to the returned writer sends a log message with the given // priority (a combination of the syslog facility and severity) and // prefix tag. If tag is empty, the [os.Args][0] is used. func New(priority Priority, tag string) (*Writer, error) { … } // Dial establishes a connection to a log daemon by connecting to // address raddr on the specified network. Each write to the returned // writer sends a log message with the facility and severity // (from priority) and tag. If tag is empty, the [os.Args][0] is used. // If network is empty, Dial will connect to the local syslog server. // Otherwise, see the documentation for net.Dial for valid values // of network and raddr. func Dial(network, raddr string, priority Priority, tag string) (*Writer, error) { … } // connect makes a connection to the syslog server. // It must be called with w.mu held. func (w *Writer) connect() (err error) { … } // Write sends a log message to the syslog daemon. func (w *Writer) Write(b []byte) (int, error) { … } // Close closes a connection to the syslog daemon. func (w *Writer) Close() error { … } // Emerg logs a message with severity [LOG_EMERG], ignoring the severity // passed to New. func (w *Writer) Emerg(m string) error { … } // Alert logs a message with severity [LOG_ALERT], ignoring the severity // passed to New. func (w *Writer) Alert(m string) error { … } // Crit logs a message with severity [LOG_CRIT], ignoring the severity // passed to New. func (w *Writer) Crit(m string) error { … } // Err logs a message with severity [LOG_ERR], ignoring the severity // passed to New. func (w *Writer) Err(m string) error { … } // Warning logs a message with severity [LOG_WARNING], ignoring the // severity passed to New. func (w *Writer) Warning(m string) error { … } // Notice logs a message with severity [LOG_NOTICE], ignoring the // severity passed to New. func (w *Writer) Notice(m string) error { … } // Info logs a message with severity [LOG_INFO], ignoring the severity // passed to New. func (w *Writer) Info(m string) error { … } // Debug logs a message with severity [LOG_DEBUG], ignoring the severity // passed to New. func (w *Writer) Debug(m string) error { … } func (w *Writer) writeAndRetry(p Priority, s string) (int, error) { … } // write generates and writes a syslog formatted string. The // format is as follows: <PRI>TIMESTAMP HOSTNAME TAG[PID]: MSG func (w *Writer) write(p Priority, msg string) (int, error) { … } func (n *netConn) writeString(p Priority, hostname, tag, msg, nl string) error { … } func (n *netConn) close() error { … } // NewLogger creates a [log.Logger] whose output is written to the // system log service with the specified priority, a combination of // the syslog facility and severity. The logFlag argument is the flag // set passed through to [log.New] to create the Logger. func NewLogger(p Priority, logFlag int) (*log.Logger, error) { … }
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