Milo: Add LogDog annotation stream support.

appengine/cmd/milo/logdog/internal/stream.pb.go

+// Code generated by protoc-gen-go.
+// source: github.com/luci/luci-go/appengine/cmd/milo/logdog/internal/stream.proto
+// DO NOT EDIT!
+
+/*
+Package internal is a generated protocol buffer package.
+
+It is generated from these files:
+        github.com/luci/luci-go/appengine/cmd/milo/logdog/internal/stream.proto
+
+It has these top-level messages:
+        CachedStep
+*/
+package internal
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import milo "github.com/luci/luci-go/common/proto/milo"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// Item is a full annotation protobuf state item. It is used to serialize and
+// deserialize Step and associated fetch data into memcache.
+type CachedStep struct {
+        // Step is the root annotation step.
+        Step *milo.Step `protobuf:"bytes,1,opt,name=step" json:"step,omitempty"`
+        // Finished is true if this is the last annotation protobuf in the stream.
+        Finished bool `protobuf:"varint,2,opt,name=finished" json:"finished,omitempty"`
+}
+
+func (m *CachedStep) Reset()                    { *m = CachedStep{} }
+func (m *CachedStep) String() string            { return proto.CompactTextString(m) }
+func (*CachedStep) ProtoMessage()               {}
+func (*CachedStep) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *CachedStep) GetStep() *milo.Step {
+        if m != nil {
+                return m.Step
+        }
+        return nil
+}
+
+func init() {
+        proto.RegisterType((*CachedStep)(nil), "internal.CachedStep")
+}
+
+func init() {
+        proto.RegisterFile("github.com/luci/luci-go/appengine/cmd/milo/logdog/internal/stream.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
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+        0xe2, 0x00, 0x00, 0x00,
+}