plugeth/vendor/github.com/Azure/azure-pipeline-go/pipeline/defaultlog_windows.go
Alexander van der Meij 57d9c93dcd vendor, internal/build: fix OpenBSD by bumping Azure libs (#17966)
* bump azure-storage-blob-go dependency to 0.3.0 release

* update azure-storage-blob-go module import path

* fix multiple return values on azblob.NewSharedKeyCredential

* vendor: bump Azure libs to latest from upstream
2019-07-23 15:06:44 +03:00

62 lines
1.9 KiB
Go
Executable File

package pipeline
import (
"os"
"syscall"
"unsafe"
)
// forceLog should rarely be used. It forceable logs an entry to the
// Windows Event Log (on Windows) or to the SysLog (on Linux)
func forceLog(level LogLevel, msg string) {
var el eventType
switch level {
case LogError, LogFatal, LogPanic:
el = elError
case LogWarning:
el = elWarning
case LogInfo:
el = elInfo
}
// We are logging it, ensure trailing newline
if len(msg) == 0 || msg[len(msg)-1] != '\n' {
msg += "\n" // Ensure trailing newline
}
reportEvent(el, 0, msg)
}
type eventType int16
const (
elSuccess eventType = 0
elError eventType = 1
elWarning eventType = 2
elInfo eventType = 4
)
var reportEvent = func() func(eventType eventType, eventID int32, msg string) {
advAPI32 := syscall.MustLoadDLL("advapi32.dll") // lower case to tie in with Go's sysdll registration
registerEventSource := advAPI32.MustFindProc("RegisterEventSourceW")
sourceName, _ := os.Executable()
sourceNameUTF16, _ := syscall.UTF16PtrFromString(sourceName)
handle, _, lastErr := registerEventSource.Call(uintptr(0), uintptr(unsafe.Pointer(sourceNameUTF16)))
if lastErr == nil { // On error, logging is a no-op
return func(eventType eventType, eventID int32, msg string) {}
}
reportEvent := advAPI32.MustFindProc("ReportEventW")
return func(eventType eventType, eventID int32, msg string) {
s, _ := syscall.UTF16PtrFromString(msg)
_, _, _ = reportEvent.Call(
uintptr(handle), // HANDLE hEventLog
uintptr(eventType), // WORD wType
uintptr(0), // WORD wCategory
uintptr(eventID), // DWORD dwEventID
uintptr(0), // PSID lpUserSid
uintptr(1), // WORD wNumStrings
uintptr(0), // DWORD dwDataSize
uintptr(unsafe.Pointer(&s)), // LPCTSTR *lpStrings
uintptr(0)) // LPVOID lpRawData
}
}()