From 06779efb01233329e2dab2987611d07acf27b8ee Mon Sep 17 00:00:00 2001 From: denisdvornikov Date: Thu, 12 Jan 2023 11:52:30 +0100 Subject: [PATCH] Add headers to task instance --- asynq.go | 15 ++- client.go | 17 ++++ internal/base/base.go | 5 + internal/proto/asynq.pb.go | 203 ++++++++++++++++++++----------------- internal/proto/asynq.proto | 3 + processor.go | 1 + 6 files changed, 146 insertions(+), 98 deletions(-) diff --git a/asynq.go b/asynq.go index 86ddb9d..e8fd92e 100644 --- a/asynq.go +++ b/asynq.go @@ -31,10 +31,14 @@ type Task struct { // w is the ResultWriter for the task. w *ResultWriter + + // headers contains metadata attached to a message. + headers map[string]string } -func (t *Task) Type() string { return t.typename } -func (t *Task) Payload() []byte { return t.payload } +func (t *Task) Type() string { return t.typename } +func (t *Task) Payload() []byte { return t.payload } +func (t *Task) Headers() map[string]string { return t.headers } // ResultWriter returns a pointer to the ResultWriter associated with the task. // @@ -53,11 +57,12 @@ func NewTask(typename string, payload []byte, opts ...Option) *Task { } // newTask creates a task with the given typename, payload and ResultWriter. -func newTask(typename string, payload []byte, w *ResultWriter) *Task { +func newTask(typename string, payload []byte, headers map[string]string, w *ResultWriter) *Task { return &Task{ typename: typename, payload: payload, w: w, + headers: headers, } } @@ -128,6 +133,9 @@ type TaskInfo struct { // Result holds the result data associated with the task. // Use ResultWriter to write result data from the Handler. Result []byte + + // Headers contains metadata attached to a message. + Headers map[string]string } // If t is non-zero, returns time converted from t as unix time in seconds. @@ -156,6 +164,7 @@ func newTaskInfo(msg *base.TaskMessage, state base.TaskState, nextProcessAt time LastFailedAt: fromUnixTimeOrZero(msg.LastFailedAt), CompletedAt: fromUnixTimeOrZero(msg.CompletedAt), Result: result, + Headers: msg.Headers, } switch state { diff --git a/client.go b/client.go index 7948036..5fe5fb3 100644 --- a/client.go +++ b/client.go @@ -49,6 +49,7 @@ const ( TaskIDOpt RetentionOpt GroupOpt + HeadersOpt ) // Option specifies the task processing behavior. @@ -75,6 +76,7 @@ type ( processInOption time.Duration retentionOption time.Duration groupOption string + headersOption map[string]string ) // MaxRetry returns an option to specify the max number of times @@ -206,6 +208,17 @@ func (name groupOption) String() string { return fmt.Sprintf("Group(%q)", st func (name groupOption) Type() OptionType { return GroupOpt } func (name groupOption) Value() interface{} { return string(name) } +// Headers returns an option to attach metadata used for the task. +func Headers(name map[string]string) Option { + return headersOption(name) +} + +func (headers headersOption) String() string { + return fmt.Sprintf("Headers(%#v)", map[string]string(headers)) +} +func (headers headersOption) Type() OptionType { return HeadersOpt } +func (headers headersOption) Value() interface{} { return map[string]string(headers) } + // ErrDuplicateTask indicates that the given task could not be enqueued since it's a duplicate of another task. // // ErrDuplicateTask error only applies to tasks enqueued with a Unique option. @@ -226,6 +239,7 @@ type option struct { processAt time.Time retention time.Duration group string + headers map[string]string } // composeOptions merges user provided options into the default options @@ -279,6 +293,8 @@ func composeOptions(opts ...Option) (option, error) { return option{}, errors.New("group key cannot be empty") } res.group = key + case headersOption: + res.headers = opt default: // ignore unexpected option } @@ -378,6 +394,7 @@ func (c *Client) EnqueueContext(ctx context.Context, task *Task, opts ...Option) UniqueKey: uniqueKey, GroupKey: opt.group, Retention: int64(opt.retention.Seconds()), + Headers: opt.headers, } now := time.Now() var state base.TaskState diff --git a/internal/base/base.go b/internal/base/base.go index eea81b5..a6a1591 100644 --- a/internal/base/base.go +++ b/internal/base/base.go @@ -294,6 +294,9 @@ type TaskMessage struct { // // Use zero to indicate no value. CompletedAt int64 + + // Headers contains metadata attached to a message. + Headers map[string]string } // EncodeMessage marshals the given task message and returns an encoded bytes. @@ -316,6 +319,7 @@ func EncodeMessage(msg *TaskMessage) ([]byte, error) { GroupKey: msg.GroupKey, Retention: msg.Retention, CompletedAt: msg.CompletedAt, + Headers: msg.Headers, }) } @@ -340,6 +344,7 @@ func DecodeMessage(data []byte) (*TaskMessage, error) { GroupKey: pbmsg.GetGroupKey(), Retention: pbmsg.GetRetention(), CompletedAt: pbmsg.GetCompletedAt(), + Headers: pbmsg.GetHeaders(), }, nil } diff --git a/internal/proto/asynq.pb.go b/internal/proto/asynq.pb.go index ec14b8c..20c33ac 100644 --- a/internal/proto/asynq.pb.go +++ b/internal/proto/asynq.pb.go @@ -4,14 +4,13 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.25.0 +// protoc-gen-go v1.27.1 // protoc v3.17.3 // source: asynq.proto package proto import ( - proto "github.com/golang/protobuf/proto" protoreflect "google.golang.org/protobuf/reflect/protoreflect" protoimpl "google.golang.org/protobuf/runtime/protoimpl" timestamppb "google.golang.org/protobuf/types/known/timestamppb" @@ -26,10 +25,6 @@ const ( _ = 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 - // TaskMessage is the internal representation of a task with additional // metadata fields. // Next ID: 15 @@ -77,6 +72,8 @@ type TaskMessage struct { // the number of seconds elapsed since January 1, 1970 UTC. // This field is populated if result_ttl > 0 upon completion. CompletedAt int64 `protobuf:"varint,13,opt,name=completed_at,json=completedAt,proto3" json:"completed_at,omitempty"` + // Headers describes metadata attached to a message. + Headers map[string]string `protobuf:"bytes,15,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"` } func (x *TaskMessage) Reset() { @@ -209,6 +206,13 @@ func (x *TaskMessage) GetCompletedAt() int64 { return 0 } +func (x *TaskMessage) GetHeaders() map[string]string { + if x != nil { + return x.Headers + } + return nil +} + // ServerInfo holds information about a running server. type ServerInfo struct { state protoimpl.MessageState @@ -625,7 +629,7 @@ var file_asynq_proto_rawDesc = []byte{ 0x0a, 0x0b, 0x61, 0x73, 0x79, 0x6e, 0x71, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x05, 0x61, 0x73, 0x79, 0x6e, 0x71, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, - 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nil, // 5: asynq.ServerInfo.QueuesEntry - (*timestamppb.Timestamp)(nil), // 6: google.protobuf.Timestamp + nil, // 5: asynq.TaskMessage.HeadersEntry + nil, // 6: asynq.ServerInfo.QueuesEntry + (*timestamppb.Timestamp)(nil), // 7: google.protobuf.Timestamp } var file_asynq_proto_depIdxs = []int32{ - 5, // 0: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry - 6, // 1: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp - 6, // 2: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp - 6, // 3: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp - 6, // 4: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp - 6, // 5: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp - 6, // 6: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp - 7, // [7:7] is the sub-list for method output_type - 7, // [7:7] is the sub-list for method input_type - 7, // [7:7] is the sub-list for extension type_name - 7, // [7:7] is the sub-list for extension extendee - 0, // [0:7] is the sub-list for field type_name + 5, // 0: asynq.TaskMessage.headers:type_name -> asynq.TaskMessage.HeadersEntry + 6, // 1: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry + 7, // 2: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp + 7, // 3: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp + 7, // 4: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp + 7, // 5: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp + 7, // 6: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp + 7, // 7: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp + 8, // [8:8] is the sub-list for method output_type + 8, // [8:8] is the sub-list for method input_type + 8, // [8:8] is the sub-list for extension type_name + 8, // [8:8] is the sub-list for extension extendee + 0, // [0:8] is the sub-list for field type_name } func init() { file_asynq_proto_init() } @@ -836,7 +849,7 @@ func file_asynq_proto_init() { GoPackagePath: reflect.TypeOf(x{}).PkgPath(), RawDescriptor: file_asynq_proto_rawDesc, NumEnums: 0, - NumMessages: 6, + NumMessages: 7, NumExtensions: 0, NumServices: 0, }, diff --git a/internal/proto/asynq.proto b/internal/proto/asynq.proto index 777aa98..a56cd50 100644 --- a/internal/proto/asynq.proto +++ b/internal/proto/asynq.proto @@ -65,6 +65,9 @@ message TaskMessage { // the number of seconds elapsed since January 1, 1970 UTC. // This field is populated if result_ttl > 0 upon completion. int64 completed_at = 13; + + // Headers describes metadata attached to a message. + map headers = 15; }; // ServerInfo holds information about a running server. diff --git a/processor.go b/processor.go index 925b9c9..7c16303 100644 --- a/processor.go +++ b/processor.go @@ -220,6 +220,7 @@ func (p *processor) exec() { task := newTask( msg.Type, msg.Payload, + msg.Headers, &ResultWriter{ id: msg.ID, qname: msg.Queue,