Broadcast and handle the DeleteViewMessage

This commit is contained in:
Michael Baird 2017-08-22 11:39:00 -05:00
parent 9afe9a55a2
commit ff3190e0d3
7 changed files with 317 additions and 77 deletions

View file

@ -115,6 +115,7 @@ const (
MessageTypeDeleteFrame = 5
MessageTypeCreateInputDefinition = 6
MessageTypeDeleteInputDefinition = 7
MessageTypeDeleteView = 8
)
// MarshalMessage encodes the protobuf message into a byte slice.
@ -135,6 +136,8 @@ func MarshalMessage(m proto.Message) ([]byte, error) {
typ = MessageTypeCreateInputDefinition
case *internal.DeleteInputDefinitionMessage:
typ = MessageTypeDeleteInputDefinition
case *internal.DeleteViewMessage:
typ = MessageTypeDeleteView
default:
return nil, fmt.Errorf("message type not implemented for marshalling: %s", reflect.TypeOf(obj))
}
@ -165,6 +168,8 @@ func UnmarshalMessage(buf []byte) (proto.Message, error) {
m = &internal.CreateInputDefinitionMessage{}
case MessageTypeDeleteInputDefinition:
m = &internal.DeleteInputDefinitionMessage{}
case MessageTypeDeleteView:
m = &internal.DeleteViewMessage{}
default:
return nil, fmt.Errorf("invalid message type: %d", typ)
}

View file

@ -513,8 +513,25 @@ func (f *Frame) newView(path, name string) *View {
return view
}
// DeleteView removes a view from the frame.
// DeleteView removes the standard and inverse view from the frame.
func (f *Frame) DeleteView(name string) error {
// Delete the standard view.
if err := f.deleteView(ViewStandard + "_" + name); err != nil {
return err
}
// Delete the inverse view.
if f.InverseEnabled() {
if err := f.deleteView(ViewInverse + "_" + name); err != nil {
return err
}
}
return nil
}
// deleteView removes view from the frame.
func (f *Frame) deleteView(name string) error {
view := f.views[name]
if view == nil {
return ErrInvalidView

View file

@ -313,8 +313,10 @@ func TestFrame_DeleteView(t *testing.T) {
f := test.MustOpenFrame()
defer f.Close()
viewName := pilosa.ViewStandard + "_v"
// Create view.
view, err := f.CreateViewIfNotExists("v")
view, err := f.CreateViewIfNotExists(viewName)
if err != nil {
t.Fatal(err)
} else if view == nil {
@ -326,12 +328,12 @@ func TestFrame_DeleteView(t *testing.T) {
t.Fatal(err)
}
if f.View("v") != nil {
if f.View(viewName) != nil {
t.Fatal("view still exists in frame")
}
// // Retrieve existing view.
view2, err := f.CreateViewIfNotExists("v")
view2, err := f.CreateViewIfNotExists(viewName)
if err != nil {
t.Fatal(err)
} else if view == view2 {

View file

@ -803,34 +803,29 @@ func (h *Handler) handleDeleteView(w http.ResponseWriter, r *http.Request) {
return
}
// Check that the view name is an integer.
if _, err := strconv.Atoi(viewName); err != nil {
http.Error(w, "only time based views can be deleted", http.StatusBadRequest)
return
}
// Check the frame for time quantum.
if f.TimeQuantum() == "" {
http.Error(w, "frame does not contain a Time Quantum", http.StatusBadRequest)
return
}
// Delete the standard view.
if err := f.DeleteView(ViewStandard + "_" + viewName); err != nil {
// Delete the view.
if err := f.DeleteView(viewName); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// Delete the inverse view.
if f.InverseEnabled() {
if err := f.DeleteView(ViewInverse + "_" + viewName); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// Send the delete view message to all nodes.
err := h.Broadcaster.SendSync(
&internal.DeleteViewMessage{
Index: indexName,
Frame: frameName,
View: viewName,
})
if err != nil {
h.logger().Printf("problem sending DeleteView message: %s", err)
}
// TODO: Send the delete view message to all nodes.
// Encode response.
if err := json.NewEncoder(w).Encode(deleteViewResponse{}); err != nil {
h.logger().Printf("response encoding error: %s", err)

View file

@ -32,6 +32,7 @@
ClusterStatus
FrameSchema
Field
DeleteViewMessage
*/
package internal
@ -405,6 +406,17 @@ func (m *Field) String() string { return proto.CompactTextString(m) }
func (*Field) ProtoMessage() {}
func (*Field) Descriptor() ([]byte, []int) { return fileDescriptorPrivate, []int{22} }
type DeleteViewMessage struct {
Index string `protobuf:"bytes,1,opt,name=Index,proto3" json:"Index,omitempty"`
Frame string `protobuf:"bytes,2,opt,name=Frame,proto3" json:"Frame,omitempty"`
View string `protobuf:"bytes,3,opt,name=View,proto3" json:"View,omitempty"`
}
func (m *DeleteViewMessage) Reset() { *m = DeleteViewMessage{} }
func (m *DeleteViewMessage) String() string { return proto.CompactTextString(m) }
func (*DeleteViewMessage) ProtoMessage() {}
func (*DeleteViewMessage) Descriptor() ([]byte, []int) { return fileDescriptorPrivate, []int{23} }
func init() {
proto.RegisterType((*IndexMeta)(nil), "internal.IndexMeta")
proto.RegisterType((*FrameMeta)(nil), "internal.FrameMeta")
@ -429,6 +441,7 @@ func init() {
proto.RegisterType((*ClusterStatus)(nil), "internal.ClusterStatus")
proto.RegisterType((*FrameSchema)(nil), "internal.FrameSchema")
proto.RegisterType((*Field)(nil), "internal.Field")
proto.RegisterType((*DeleteViewMessage)(nil), "internal.DeleteViewMessage")
}
func (m *IndexMeta) Marshal() (dAtA []byte, err error) {
size := m.Size()
@ -1344,6 +1357,42 @@ func (m *Field) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *DeleteViewMessage) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *DeleteViewMessage) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if len(m.Index) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintPrivate(dAtA, i, uint64(len(m.Index)))
i += copy(dAtA[i:], m.Index)
}
if len(m.Frame) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintPrivate(dAtA, i, uint64(len(m.Frame)))
i += copy(dAtA[i:], m.Frame)
}
if len(m.View) > 0 {
dAtA[i] = 0x1a
i++
i = encodeVarintPrivate(dAtA, i, uint64(len(m.View)))
i += copy(dAtA[i:], m.View)
}
return i, nil
}
func encodeFixed64Private(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
@ -1773,6 +1822,24 @@ func (m *Field) Size() (n int) {
return n
}
func (m *DeleteViewMessage) Size() (n int) {
var l int
_ = l
l = len(m.Index)
if l > 0 {
n += 1 + l + sovPrivate(uint64(l))
}
l = len(m.Frame)
if l > 0 {
n += 1 + l + sovPrivate(uint64(l))
}
l = len(m.View)
if l > 0 {
n += 1 + l + sovPrivate(uint64(l))
}
return n
}
func sovPrivate(x uint64) (n int) {
for {
n++
@ -4882,6 +4949,143 @@ func (m *Field) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *DeleteViewMessage) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowPrivate
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: DeleteViewMessage: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: DeleteViewMessage: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Index", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowPrivate
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthPrivate
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Index = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Frame", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowPrivate
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthPrivate
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Frame = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field View", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowPrivate
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthPrivate
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.View = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipPrivate(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthPrivate
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipPrivate(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
@ -4990,62 +5194,64 @@ var (
func init() { proto.RegisterFile("private.proto", fileDescriptorPrivate) }
var fileDescriptorPrivate = []byte{
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0x00,
}

View file

@ -131,3 +131,9 @@ message Field {
int64 Min = 3;
int64 Max = 4;
}
message DeleteViewMessage {
string Index = 1;
string Frame = 2;
string View = 3;
}

View file

@ -339,6 +339,15 @@ func (s *Server) ReceiveMessage(pb proto.Message) error {
if err != nil {
return err
}
case *internal.DeleteViewMessage:
f := s.Holder.Frame(obj.Index, obj.Frame)
if f == nil {
return fmt.Errorf("Local Frame not found: %s", obj.Frame)
}
err := f.DeleteView(obj.View)
if err != nil {
return err
}
}
return nil
}