Esempio n. 1
0
// WithContext adds app- and request-specific values to the context.
// It is called by FUSE for normal runs, but may be called explicitly
// in other settings, such as tests.
func (f *FS) WithContext(ctx context.Context) context.Context {
	ctx = context.WithValue(ctx, CtxAppIDKey, f)
	logTags := make(logger.CtxLogTags)
	logTags[CtxIDKey] = CtxOpID
	ctx = logger.NewContextWithLogTags(ctx, logTags)

	// Add a unique ID to this context, identifying a particular
	// request.
	id, err := libkbfs.MakeRandomRequestID()
	if err != nil {
		f.log.Errorf("Couldn't make request ID: %v", err)
	} else {
		ctx = context.WithValue(ctx, CtxIDKey, id)
	}

	if runtime.GOOS == "darwin" {
		// Timeout operations before they hit the osxfuse time limit,
		// so we don't hose the entire mount (Fixed in OSXFUSE 3.2.0).
		// The timeout is 60 seconds, but it looks like sometimes it
		// tries multiple attempts within that 60 seconds, so let's go
		// a little under 60/3 to be safe.
		//
		// It should be safe to ignore the CancelFunc here because our
		// parent context will be canceled by the FUSE serve loop.
		ctx, _ = context.WithTimeout(ctx, 19*time.Second)
	}

	return ctx
}
Esempio n. 2
0
// NewContextWithOpID adds a unique ID to this context, identifying
// a particular request.
func NewContextWithOpID(ctx context.Context,
	log logger.Logger) context.Context {
	if runtime.GOOS == "darwin" {
		// Timeout operations before they hit the osxfuse time limit,
		// so we don't hose the entire mount.  The timeout is 60
		// seconds, but it looks like sometimes it tries multiple
		// attempts within that 60 seconds, so let's go a little under
		// 60/3 to be safe.
		ctx, _ = context.WithTimeout(ctx, 19*time.Second)
	}
	id, err := libkbfs.MakeRandomRequestID()
	if err != nil {
		log.Errorf("Couldn't make request ID: %v", err)
		return ctx
	}
	return context.WithValue(ctx, CtxIDKey, id)
}