Function newTestConnection

pkg/sentry/fsimpl/fuse/utils_test.go:51–76

newTestConnection creates a fuse connection that the sentry can communicate with and the FD for the server to communicate with.

(system *testutil.System, maxActiveRequests uint64)

// newTestConnection creates a fuse connection that the sentry can communicate with
// and the FD for the server to communicate with.
func newTestConnection(system *testutil.System, maxActiveRequests uint64) (*connection, *vfs.FileDescription, error) {
	fuseDev := &DeviceFD{}

	vd := system.VFS.NewAnonVirtualDentry("fuse")
	defer vd.DecRef(system.Ctx)
	if err := fuseDev.vfsfd.Init(fuseDev, linux.O_RDWR, auth.CredentialsFromContext(system.Ctx), vd.Mount(), vd.Dentry(), &vfs.FileDescriptionOptions{}); err != nil {
		return nil, nil, err
	}

	fsopts := filesystemOptions{
		maxActiveRequests: maxActiveRequests,
	}
	fuseDev.mu.Lock()
	conn, err := newFUSEConnection(system.Ctx, fuseDev, &fsopts)
	if err != nil {
		return nil, nil, err
	}
	fuseDev.conn = conn
	fuseDev.mu.Unlock()

	// Fake the connection being properly initialized for testing purposes.
	conn.mu.Lock()
	conn.connInitSuccess = true
	conn.mu.Unlock()
	return conn, &fuseDev.vfsfd, nil
}

// newTestFilesystem creates a filesystem that the sentry can communicate with
// and the FD for the server to communicate with.