func readData(conn net.Conn) (*container_daemon.ResponseMessage, error) {
var b [2048]byte
var oob [2048]byte
var response container_daemon.ResponseMessage
n, oobn, _, _, err := conn.(*net.UnixConn).ReadMsgUnix(b[:], oob[:])
if err != nil {
return nil, fmt.Errorf("unix_socket: failed to read unix msg: %s (read: %d, %d)", err, n, oobn)
}
if n > 0 {
err := json.Unmarshal(b[:n], &response)
if err != nil {
return nil, fmt.Errorf("unix_socket: Unmarshal failed: %s", err)
}
if response.ErrMessage != "" {
return nil, errors.New(response.ErrMessage)
}
} else {
return nil, errors.New("unix_socket: No response received")
}
scms, err := syscall.ParseSocketControlMessage(oob[:oobn])
if err != nil {
return nil, fmt.Errorf("unix_socket: failed to parse socket control message: %s", err)
}
if len(scms) > 0 {
scm := scms[0]
fds, err := syscall.ParseUnixRights(&scm)
if err != nil {
return nil, fmt.Errorf("unix_socket: failed to parse unix rights: %s", err)
}
response.Files = make([]container_daemon.StreamingFile, len(fds))
for i, fd := range fds {
response.Files[i] = os.NewFile(uintptr(fd), fmt.Sprintf("/dev/fake-fd-%d", i))
}
}
return &response, nil
}
"github.com/cloudfoundry-incubator/garden-linux/container_daemon/fake_connector"
"github.com/cloudfoundry-incubator/garden-linux/container_daemon/fake_term"
"github.com/cloudfoundry-incubator/garden-linux/iodaemon/link"
"github.com/docker/docker/pkg/term"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gbytes"
)
var _ = Describe("Process", func() {
var socketConnector *fake_connector.FakeConnector
var fakeTerm *fake_term.FakeTerm
var sigwinchCh chan os.Signal
var signalReader io.Reader
var signalWriter io.Writer
var response *container_daemon.ResponseMessage
var process *container_daemon.Process
BeforeEach(func() {
var err error
fakeTerm = new(fake_term.FakeTerm)
socketConnector = new(fake_connector.FakeConnector)
response = &container_daemon.ResponseMessage{
Type: container_daemon.ProcessResponse,
Files: []container_daemon.StreamingFile{nil, nil, nil, FakeFd(0)},
Pid: 0,
}
socketConnector.ConnectReturns(response, nil)