107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
// +build linux darwin freebsd openbsd solaris
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package gsyslog
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import (
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"fmt"
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"log/syslog"
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"strings"
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)
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// builtinLogger wraps the Golang implementation of a
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// syslog.Writer to provide the Syslogger interface
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type builtinLogger struct {
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*builtinWriter
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}
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// NewLogger is used to construct a new Syslogger
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func NewLogger(p Priority, facility, tag string) (Syslogger, error) {
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fPriority, err := facilityPriority(facility)
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if err != nil {
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return nil, err
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}
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priority := syslog.Priority(p) | fPriority
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l, err := newBuiltin(priority, tag)
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if err != nil {
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return nil, err
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}
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return &builtinLogger{l}, nil
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}
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// WriteLevel writes out a message at the given priority
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func (b *builtinLogger) WriteLevel(p Priority, buf []byte) error {
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var err error
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m := string(buf)
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switch p {
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case LOG_EMERG:
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_, err = b.writeAndRetry(syslog.LOG_EMERG, m)
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case LOG_ALERT:
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_, err = b.writeAndRetry(syslog.LOG_ALERT, m)
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case LOG_CRIT:
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_, err = b.writeAndRetry(syslog.LOG_CRIT, m)
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case LOG_ERR:
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_, err = b.writeAndRetry(syslog.LOG_ERR, m)
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case LOG_WARNING:
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_, err = b.writeAndRetry(syslog.LOG_WARNING, m)
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case LOG_NOTICE:
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_, err = b.writeAndRetry(syslog.LOG_NOTICE, m)
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case LOG_INFO:
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_, err = b.writeAndRetry(syslog.LOG_INFO, m)
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case LOG_DEBUG:
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_, err = b.writeAndRetry(syslog.LOG_DEBUG, m)
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default:
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err = fmt.Errorf("Unknown priority: %v", p)
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}
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return err
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}
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// facilityPriority converts a facility string into
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// an appropriate priority level or returns an error
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func facilityPriority(facility string) (syslog.Priority, error) {
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facility = strings.ToUpper(facility)
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switch facility {
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case "KERN":
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return syslog.LOG_KERN, nil
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case "USER":
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return syslog.LOG_USER, nil
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case "MAIL":
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return syslog.LOG_MAIL, nil
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case "DAEMON":
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return syslog.LOG_DAEMON, nil
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case "AUTH":
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return syslog.LOG_AUTH, nil
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case "SYSLOG":
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return syslog.LOG_SYSLOG, nil
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case "LPR":
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return syslog.LOG_LPR, nil
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case "NEWS":
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return syslog.LOG_NEWS, nil
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case "UUCP":
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return syslog.LOG_UUCP, nil
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case "CRON":
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return syslog.LOG_CRON, nil
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case "AUTHPRIV":
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return syslog.LOG_AUTHPRIV, nil
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case "FTP":
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return syslog.LOG_FTP, nil
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case "LOCAL0":
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return syslog.LOG_LOCAL0, nil
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case "LOCAL1":
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return syslog.LOG_LOCAL1, nil
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case "LOCAL2":
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return syslog.LOG_LOCAL2, nil
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case "LOCAL3":
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return syslog.LOG_LOCAL3, nil
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case "LOCAL4":
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return syslog.LOG_LOCAL4, nil
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case "LOCAL5":
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return syslog.LOG_LOCAL5, nil
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case "LOCAL6":
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return syslog.LOG_LOCAL6, nil
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case "LOCAL7":
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return syslog.LOG_LOCAL7, nil
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default:
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return 0, fmt.Errorf("invalid syslog facility: %s", facility)
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}
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}
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