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247 lines
6.0 KiB
247 lines
6.0 KiB
syntax = "proto3";
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package messaging_pb;
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option go_package = "github.com/seaweedfs/seaweedfs/weed/pb/mq_pb";
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option java_package = "seaweedfs.mq";
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option java_outer_classname = "MessageQueueProto";
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//////////////////////////////////////////////////
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service SeaweedMessaging {
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// control plane
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rpc FindBrokerLeader (FindBrokerLeaderRequest) returns (FindBrokerLeaderResponse) {
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}
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// control plane for balancer
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rpc PublisherToPubBalancer (stream PublisherToPubBalancerRequest) returns (stream PublisherToPubBalancerResponse) {
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}
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rpc BalanceTopics (BalanceTopicsRequest) returns (BalanceTopicsResponse) {
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}
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// control plane for topic partitions
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rpc ListTopics (ListTopicsRequest) returns (ListTopicsResponse) {
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}
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rpc ConfigureTopic (ConfigureTopicRequest) returns (ConfigureTopicResponse) {
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}
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rpc LookupTopicBrokers (LookupTopicBrokersRequest) returns (LookupTopicBrokersResponse) {
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}
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// invoked by the balancer, running on each broker
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rpc AssignTopicPartitions (AssignTopicPartitionsRequest) returns (AssignTopicPartitionsResponse) {
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}
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rpc ClosePublishers(ClosePublishersRequest) returns (ClosePublishersResponse) {
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}
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rpc CloseSubscribers(CloseSubscribersRequest) returns (CloseSubscribersResponse) {
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}
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// subscriber connects to broker balancer, which coordinates with the subscribers
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rpc SubscriberToSubCoordinator (stream SubscriberToSubCoordinatorRequest) returns (stream SubscriberToSubCoordinatorResponse) {
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}
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// data plane for each topic partition
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rpc PublishMessage (stream PublishMessageRequest) returns (stream PublishMessageResponse) {
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}
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rpc SubscribeMessage (SubscribeMessageRequest) returns (stream SubscribeMessageResponse) {
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}
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}
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//////////////////////////////////////////////////
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message FindBrokerLeaderRequest {
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string filer_group = 1;
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}
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message FindBrokerLeaderResponse {
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string broker = 1;
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}
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message Topic {
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string namespace = 1;
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string name = 2;
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}
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message Partition {
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int32 ring_size = 1;
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int32 range_start = 2;
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int32 range_stop = 3;
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int64 unix_time_ns = 4;
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}
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message Offset {
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Topic topic = 1;
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repeated PartitionOffset partition_offsets = 2;
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}
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enum PartitionOffsetStartType {
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EARLIEST = 0;
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EARLIEST_IN_MEMORY = 1;
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LATEST = 2;
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}
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message PartitionOffset {
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Partition partition = 1;
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int64 start_ts_ns = 2;
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int64 stop_ts_ns = 3;
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PartitionOffsetStartType start_type = 4;
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}
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//////////////////////////////////////////////////
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message BrokerStats {
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int32 cpu_usage_percent = 1;
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map<string, TopicPartitionStats> stats = 2;
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}
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message TopicPartitionStats {
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Topic topic = 1;
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Partition partition = 2;
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int32 consumer_count = 3;
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bool is_leader = 4;
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}
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message PublisherToPubBalancerRequest {
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message InitMessage {
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string broker = 1;
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}
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oneof message {
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InitMessage init = 1;
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BrokerStats stats = 2;
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}
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}
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message PublisherToPubBalancerResponse {
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}
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message BalanceTopicsRequest {
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}
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message BalanceTopicsResponse {
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}
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//////////////////////////////////////////////////
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message ConfigureTopicRequest {
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Topic topic = 1;
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int32 partition_count = 2;
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}
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message ConfigureTopicResponse {
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repeated BrokerPartitionAssignment broker_partition_assignments = 2;
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}
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message ListTopicsRequest {
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}
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message ListTopicsResponse {
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repeated Topic topics = 1;
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}
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message LookupTopicBrokersRequest {
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Topic topic = 1;
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}
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message LookupTopicBrokersResponse {
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Topic topic = 1;
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repeated BrokerPartitionAssignment broker_partition_assignments = 2;
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}
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message BrokerPartitionAssignment {
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Partition partition = 1;
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string leader_broker = 2;
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repeated string follower_brokers = 3;
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}
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message AssignTopicPartitionsRequest {
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Topic topic = 1;
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repeated BrokerPartitionAssignment broker_partition_assignments = 2;
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bool is_leader = 3;
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bool is_draining = 4;
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}
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message AssignTopicPartitionsResponse {
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}
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message SubscriberToSubCoordinatorRequest {
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message InitMessage {
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string consumer_group = 1;
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string consumer_group_instance_id = 2;
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Topic topic = 3;
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}
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message AckMessage {
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Partition partition = 1;
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int64 ts_ns = 2;
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}
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oneof message {
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InitMessage init = 1;
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AckMessage ack = 2;
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}
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}
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message SubscriberToSubCoordinatorResponse {
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message AssignedPartition {
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Partition partition = 1;
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int64 ts_ns = 2;
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string broker = 3;
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}
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message Assignment {
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int64 generation = 1;
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repeated AssignedPartition assigned_partitions = 2;
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}
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oneof message {
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Assignment assignment = 1;
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}
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}
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//////////////////////////////////////////////////
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message DataMessage {
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bytes key = 1;
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bytes value = 2;
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int64 ts_ns = 3;
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}
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message PublishMessageRequest {
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message InitMessage {
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Topic topic = 1;
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Partition partition = 2;
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int32 ack_interval = 3;
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repeated string follower_brokers = 4;
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}
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oneof message {
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InitMessage init = 1;
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DataMessage data = 2;
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}
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int64 sequence = 3;
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}
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message PublishMessageResponse {
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int64 ack_sequence = 1;
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string error = 2;
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bool should_close = 3;
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}
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message SubscribeMessageRequest {
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message InitMessage {
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string consumer_group = 1;
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string consumer_id = 2;
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string client_id = 3;
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Topic topic = 4;
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PartitionOffset partition_offset = 5;
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string filter = 6;
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}
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message AckMessage {
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int64 sequence = 1;
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}
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oneof message {
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InitMessage init = 1;
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AckMessage ack = 2;
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}
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}
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message SubscribeMessageResponse {
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message CtrlMessage {
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string error = 1;
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bool is_end_of_stream = 2;
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bool is_end_of_topic = 3;
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}
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oneof message {
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CtrlMessage ctrl = 1;
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DataMessage data = 2;
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}
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}
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message ClosePublishersRequest {
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Topic topic = 1;
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int64 unix_time_ns = 2;
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}
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message ClosePublishersResponse {
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}
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message CloseSubscribersRequest {
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Topic topic = 1;
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int64 unix_time_ns = 2;
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}
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message CloseSubscribersResponse {
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}
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