54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
// Package syslog contains a syslog handler.
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//
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// We use this handler on macOS systems to log messages
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// when ooniprobe is running in the background.
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package syslog
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import (
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"fmt"
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"unsafe"
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"github.com/apex/log"
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)
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/*
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#include<stdlib.h>
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void ooniprobe_openlog(void);
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void ooniprobe_log_debug(const char *message);
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void ooniprobe_log_info(const char *message);
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void ooniprobe_log_warning(const char *message);
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void ooniprobe_log_err(const char *message);
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void ooniprobe_log_crit(const char *message);
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*/
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import "C"
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// Default is the handler that emits logs with syslog
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var Default log.Handler = newhandler()
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type handler struct{}
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func newhandler() handler {
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C.ooniprobe_openlog()
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return handler{}
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}
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func (h handler) HandleLog(e *log.Entry) error {
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message := fmt.Sprintf("%s %+v", e.Message, e.Fields)
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cstr := C.CString(message)
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defer C.free(unsafe.Pointer(cstr))
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switch e.Level {
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case log.DebugLevel:
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C.ooniprobe_log_debug(cstr)
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case log.InfoLevel:
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C.ooniprobe_log_info(cstr)
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case log.WarnLevel:
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C.ooniprobe_log_warning(cstr)
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case log.ErrorLevel:
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C.ooniprobe_log_err(cstr)
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default:
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C.ooniprobe_log_crit(cstr)
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}
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return nil
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}
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