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-rw-r--r--pkg/eventchannel/BUILD40
-rw-r--r--pkg/eventchannel/event.proto27
-rw-r--r--pkg/eventchannel/event_test.go146
-rw-r--r--pkg/eventchannel/eventchannel_go_proto/event.pb.go156
-rw-r--r--pkg/eventchannel/eventchannel_state_autogen.go3
5 files changed, 159 insertions, 213 deletions
diff --git a/pkg/eventchannel/BUILD b/pkg/eventchannel/BUILD
deleted file mode 100644
index ad15d3672..000000000
--- a/pkg/eventchannel/BUILD
+++ /dev/null
@@ -1,40 +0,0 @@
-load("//tools:defs.bzl", "go_library", "go_test", "proto_library")
-
-package(licenses = ["notice"])
-
-go_library(
- name = "eventchannel",
- srcs = [
- "event.go",
- "event_any.go",
- "rate.go",
- ],
- visibility = ["//:sandbox"],
- deps = [
- ":eventchannel_go_proto",
- "//pkg/errors/linuxerr",
- "//pkg/log",
- "//pkg/sync",
- "//pkg/unet",
- "@org_golang_google_protobuf//encoding/prototext:go_default_library",
- "@org_golang_google_protobuf//proto:go_default_library",
- "@org_golang_google_protobuf//types/known/anypb:go_default_library",
- "@org_golang_x_time//rate:go_default_library",
- ],
-)
-
-proto_library(
- name = "eventchannel",
- srcs = ["event.proto"],
- visibility = ["//:sandbox"],
-)
-
-go_test(
- name = "eventchannel_test",
- srcs = ["event_test.go"],
- library = ":eventchannel",
- deps = [
- "//pkg/sync",
- "@org_golang_google_protobuf//proto:go_default_library",
- ],
-)
diff --git a/pkg/eventchannel/event.proto b/pkg/eventchannel/event.proto
deleted file mode 100644
index 4b24ac47c..000000000
--- a/pkg/eventchannel/event.proto
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package gvisor;
-
-// DebugEvent encapsulates any other event protobuf in text format. This is
-// useful because clients reading events emitted this way do not need to link
-// the event protobufs to display them in a human-readable format.
-message DebugEvent {
- // Name of the inner message.
- string name = 1;
- // Text representation of the inner message content.
- string text = 2;
-}
diff --git a/pkg/eventchannel/event_test.go b/pkg/eventchannel/event_test.go
deleted file mode 100644
index 0dd408f76..000000000
--- a/pkg/eventchannel/event_test.go
+++ /dev/null
@@ -1,146 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package eventchannel
-
-import (
- "fmt"
- "testing"
- "time"
-
- "google.golang.org/protobuf/proto"
- "gvisor.dev/gvisor/pkg/sync"
-)
-
-// testEmitter is an emitter that can be used in tests. It records all events
-// emitted, and whether it has been closed.
-type testEmitter struct {
- // mu protects all fields below.
- mu sync.Mutex
-
- // events contains all emitted events.
- events []proto.Message
-
- // closed records whether Close() was called.
- closed bool
-}
-
-// Emit implements Emitter.Emit.
-func (te *testEmitter) Emit(msg proto.Message) (bool, error) {
- te.mu.Lock()
- defer te.mu.Unlock()
- te.events = append(te.events, msg)
- return false, nil
-}
-
-// Close implements Emitter.Close.
-func (te *testEmitter) Close() error {
- te.mu.Lock()
- defer te.mu.Unlock()
- if te.closed {
- return fmt.Errorf("closed called twice")
- }
- te.closed = true
- return nil
-}
-
-// testMessage implements proto.Message for testing.
-type testMessage struct {
- proto.Message
-
- // name is the name of the message, used by tests to compare messages.
- name string
-}
-
-func TestMultiEmitter(t *testing.T) {
- // Create three testEmitters, tied together in a multiEmitter.
- me := &multiEmitter{}
- var emitters []*testEmitter
- for i := 0; i < 3; i++ {
- te := &testEmitter{}
- emitters = append(emitters, te)
- me.AddEmitter(te)
- }
-
- // Emit three messages to multiEmitter.
- names := []string{"foo", "bar", "baz"}
- for _, name := range names {
- m := testMessage{name: name}
- if _, err := me.Emit(m); err != nil {
- t.Fatalf("me.Emit(%v) failed: %v", m, err)
- }
- }
-
- // All three emitters should have all three events.
- for _, te := range emitters {
- if got, want := len(te.events), len(names); got != want {
- t.Fatalf("emitter got %d events, want %d", got, want)
- }
- for i, name := range names {
- if got := te.events[i].(testMessage).name; got != name {
- t.Errorf("emitter got message with name %q, want %q", got, name)
- }
- }
- }
-
- // Close multiEmitter.
- if err := me.Close(); err != nil {
- t.Fatalf("me.Close() failed: %v", err)
- }
-
- // All testEmitters should be closed.
- for _, te := range emitters {
- if !te.closed {
- t.Errorf("te.closed got false, want true")
- }
- }
-}
-
-func TestRateLimitedEmitter(t *testing.T) {
- // Create a RateLimittedEmitter that wraps a testEmitter.
- te := &testEmitter{}
- max := float64(5) // events per second
- burst := 10 // events
- rle := RateLimitedEmitterFrom(te, max, burst)
-
- // Send 50 messages in one shot.
- for i := 0; i < 50; i++ {
- if _, err := rle.Emit(testMessage{}); err != nil {
- t.Fatalf("rle.Emit failed: %v", err)
- }
- }
-
- // We should have received only 10 messages.
- if got, want := len(te.events), 10; got != want {
- t.Errorf("got %d events, want %d", got, want)
- }
-
- // Sleep for a second and then send another 50.
- time.Sleep(1 * time.Second)
- for i := 0; i < 50; i++ {
- if _, err := rle.Emit(testMessage{}); err != nil {
- t.Fatalf("rle.Emit failed: %v", err)
- }
- }
-
- // We should have at least 5 more message, plus maybe a few more if the
- // test ran slowly.
- got, wantAtLeast, wantAtMost := len(te.events), 15, 20
- if got < wantAtLeast {
- t.Errorf("got %d events, want at least %d", got, wantAtLeast)
- }
- if got > wantAtMost {
- t.Errorf("got %d events, want at most %d", got, wantAtMost)
- }
-}
diff --git a/pkg/eventchannel/eventchannel_go_proto/event.pb.go b/pkg/eventchannel/eventchannel_go_proto/event.pb.go
new file mode 100644
index 000000000..1d0812479
--- /dev/null
+++ b/pkg/eventchannel/eventchannel_go_proto/event.pb.go
@@ -0,0 +1,156 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// protoc-gen-go v1.25.0
+// protoc v3.13.0
+// source: pkg/eventchannel/event.proto
+
+package gvisor
+
+import (
+ proto "github.com/golang/protobuf/proto"
+ protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+ protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+ reflect "reflect"
+ sync "sync"
+)
+
+const (
+ // Verify that this generated code is sufficiently up-to-date.
+ _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+ // Verify that runtime/protoimpl is sufficiently up-to-date.
+ _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type DebugEvent struct {
+ state protoimpl.MessageState
+ sizeCache protoimpl.SizeCache
+ unknownFields protoimpl.UnknownFields
+
+ Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+ Text string `protobuf:"bytes,2,opt,name=text,proto3" json:"text,omitempty"`
+}
+
+func (x *DebugEvent) Reset() {
+ *x = DebugEvent{}
+ if protoimpl.UnsafeEnabled {
+ mi := &file_pkg_eventchannel_event_proto_msgTypes[0]
+ ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+ ms.StoreMessageInfo(mi)
+ }
+}
+
+func (x *DebugEvent) String() string {
+ return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DebugEvent) ProtoMessage() {}
+
+func (x *DebugEvent) ProtoReflect() protoreflect.Message {
+ mi := &file_pkg_eventchannel_event_proto_msgTypes[0]
+ if protoimpl.UnsafeEnabled && x != nil {
+ ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+ if ms.LoadMessageInfo() == nil {
+ ms.StoreMessageInfo(mi)
+ }
+ return ms
+ }
+ return mi.MessageOf(x)
+}
+
+// Deprecated: Use DebugEvent.ProtoReflect.Descriptor instead.
+func (*DebugEvent) Descriptor() ([]byte, []int) {
+ return file_pkg_eventchannel_event_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *DebugEvent) GetName() string {
+ if x != nil {
+ return x.Name
+ }
+ return ""
+}
+
+func (x *DebugEvent) GetText() string {
+ if x != nil {
+ return x.Text
+ }
+ return ""
+}
+
+var File_pkg_eventchannel_event_proto protoreflect.FileDescriptor
+
+var file_pkg_eventchannel_event_proto_rawDesc = []byte{
+ 0x0a, 0x1c, 0x70, 0x6b, 0x67, 0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x63, 0x68, 0x61, 0x6e, 0x6e,
+ 0x65, 0x6c, 0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
+ 0x67, 0x76, 0x69, 0x73, 0x6f, 0x72, 0x22, 0x34, 0x0a, 0x0a, 0x44, 0x65, 0x62, 0x75, 0x67, 0x45,
+ 0x76, 0x65, 0x6e, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
+ 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x65, 0x78, 0x74,
+ 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x65, 0x78, 0x74, 0x62, 0x06, 0x70, 0x72,
+ 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+ file_pkg_eventchannel_event_proto_rawDescOnce sync.Once
+ file_pkg_eventchannel_event_proto_rawDescData = file_pkg_eventchannel_event_proto_rawDesc
+)
+
+func file_pkg_eventchannel_event_proto_rawDescGZIP() []byte {
+ file_pkg_eventchannel_event_proto_rawDescOnce.Do(func() {
+ file_pkg_eventchannel_event_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_eventchannel_event_proto_rawDescData)
+ })
+ return file_pkg_eventchannel_event_proto_rawDescData
+}
+
+var file_pkg_eventchannel_event_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_pkg_eventchannel_event_proto_goTypes = []interface{}{
+ (*DebugEvent)(nil), // 0: gvisor.DebugEvent
+}
+var file_pkg_eventchannel_event_proto_depIdxs = []int32{
+ 0, // [0:0] is the sub-list for method output_type
+ 0, // [0:0] is the sub-list for method input_type
+ 0, // [0:0] is the sub-list for extension type_name
+ 0, // [0:0] is the sub-list for extension extendee
+ 0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_pkg_eventchannel_event_proto_init() }
+func file_pkg_eventchannel_event_proto_init() {
+ if File_pkg_eventchannel_event_proto != nil {
+ return
+ }
+ if !protoimpl.UnsafeEnabled {
+ file_pkg_eventchannel_event_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+ switch v := v.(*DebugEvent); i {
+ case 0:
+ return &v.state
+ case 1:
+ return &v.sizeCache
+ case 2:
+ return &v.unknownFields
+ default:
+ return nil
+ }
+ }
+ }
+ type x struct{}
+ out := protoimpl.TypeBuilder{
+ File: protoimpl.DescBuilder{
+ GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+ RawDescriptor: file_pkg_eventchannel_event_proto_rawDesc,
+ NumEnums: 0,
+ NumMessages: 1,
+ NumExtensions: 0,
+ NumServices: 0,
+ },
+ GoTypes: file_pkg_eventchannel_event_proto_goTypes,
+ DependencyIndexes: file_pkg_eventchannel_event_proto_depIdxs,
+ MessageInfos: file_pkg_eventchannel_event_proto_msgTypes,
+ }.Build()
+ File_pkg_eventchannel_event_proto = out.File
+ file_pkg_eventchannel_event_proto_rawDesc = nil
+ file_pkg_eventchannel_event_proto_goTypes = nil
+ file_pkg_eventchannel_event_proto_depIdxs = nil
+}
diff --git a/pkg/eventchannel/eventchannel_state_autogen.go b/pkg/eventchannel/eventchannel_state_autogen.go
new file mode 100644
index 000000000..50b9c54b3
--- /dev/null
+++ b/pkg/eventchannel/eventchannel_state_autogen.go
@@ -0,0 +1,3 @@
+// automatically generated by stateify.
+
+package eventchannel
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 20:00:05 +0000