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devmapper_log.go
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35 lines (27 loc) · 813 Bytes
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// +build linux
package devicemapper
import "C"
import (
"strings"
)
// Due to the way cgo works this has to be in a separate file, as devmapper.go has
// definitions in the cgo block, which is incompatible with using "//export"
// DevmapperLogCallback exports the devmapper log callback for cgo.
//export DevmapperLogCallback
func DevmapperLogCallback(level C.int, file *C.char, line C.int, dmErrnoOrClass C.int, message *C.char) {
msg := C.GoString(message)
if level < 7 {
if strings.Contains(msg, "busy") {
dmSawBusy = true
}
if strings.Contains(msg, "File exists") {
dmSawExist = true
}
if strings.Contains(msg, "No such device or address") {
dmSawEnxio = true
}
}
if dmLogger != nil {
dmLogger.DMLog(int(level), C.GoString(file), int(line), int(dmErrnoOrClass), msg)
}
}