55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package srslog
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import (
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"errors"
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"io"
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"net"
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)
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// unixSyslog opens a connection to the syslog daemon running on the
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// local machine using a Unix domain socket. This function exists because of
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// Solaris support as implemented by gccgo. On Solaris you can not
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// simply open a TCP connection to the syslog daemon. The gccgo
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// sources have a syslog_solaris.go file that implements unixSyslog to
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// return a type that satisfies the serverConn interface and simply calls the C
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// library syslog function.
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func unixSyslog() (conn serverConn, err error) {
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logTypes := []string{"unixgram", "unix"}
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logPaths := []string{"/dev/log", "/var/run/syslog", "/var/run/log"}
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for _, network := range logTypes {
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for _, path := range logPaths {
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conn, err := net.Dial(network, path)
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if err != nil {
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continue
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} else {
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return &localConn{conn: conn}, nil
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}
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}
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}
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return nil, errors.New("Unix syslog delivery error")
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}
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// localConn adheres to the serverConn interface, allowing us to send syslog
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// messages to the local syslog daemon over a Unix domain socket.
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type localConn struct {
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conn io.WriteCloser
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}
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// writeString formats syslog messages using time.Stamp instead of time.RFC3339,
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// and omits the hostname (because it is expected to be used locally).
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func (n *localConn) writeString(framer Framer, formatter Formatter, p Priority, hostname, tag, msg string) error {
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if framer == nil {
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framer = DefaultFramer
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}
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if formatter == nil {
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formatter = UnixFormatter
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}
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_, err := n.conn.Write([]byte(framer(formatter(p, hostname, tag, msg))))
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return err
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}
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// close the (local) network connection
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func (n *localConn) close() error {
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return n.conn.Close()
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}
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