seaweedfs/weed/pb/mq.proto
2023-08-26 13:39:21 -07:00

190 lines
4.6 KiB
Protocol Buffer

syntax = "proto3";
package messaging_pb;
option go_package = "github.com/seaweedfs/seaweedfs/weed/pb/mq_pb";
option java_package = "seaweedfs.mq";
option java_outer_classname = "MessagQueueProto";
//////////////////////////////////////////////////
service SeaweedMessaging {
// control plane
rpc FindBrokerLeader (FindBrokerLeaderRequest) returns (FindBrokerLeaderResponse) {
}
rpc AssignSegmentBrokers (AssignSegmentBrokersRequest) returns (AssignSegmentBrokersResponse) {
}
rpc CheckSegmentStatus (CheckSegmentStatusRequest) returns (CheckSegmentStatusResponse) {
}
rpc CheckBrokerLoad (CheckBrokerLoadRequest) returns (CheckBrokerLoadResponse) {
}
// control plane for topic partitions
rpc FindTopicBrokers (FindTopicBrokersRequest) returns (FindTopicBrokersResponse) {
}
// a pub client will call this to get the topic partitions assignment
rpc RequestTopicPartitions (RequestTopicPartitionsRequest) returns (RequestTopicPartitionsResponse) {
}
rpc AssignTopicPartitions (AssignTopicPartitionsRequest) returns (AssignTopicPartitionsResponse) {
}
rpc CheckTopicPartitionsStatus (CheckTopicPartitionsStatusRequest) returns (CheckTopicPartitionsStatusResponse) {
}
// data plane
rpc Publish (stream PublishRequest) returns (stream PublishResponse) {
}
rpc Subscribe (stream SubscribeRequest) returns (stream SubscribeResponse) {
}
}
//////////////////////////////////////////////////
message SegmentInfo {
Segment segment = 1;
int64 start_ts_ns = 2;
repeated string brokers = 3;
int64 stop_ts_ns = 4;
repeated int32 previous_segments = 5;
repeated int32 next_segments = 6;
}
//////////////////////////////////////////////////
message FindBrokerLeaderRequest {
string filer_group = 1;
}
message FindBrokerLeaderResponse {
string broker = 1;
}
message Topic {
string namespace = 1;
string name = 2;
}
message Partition {
int32 ring_size = 1;
int32 range_start = 2;
int32 range_stop = 3;
}
message Segment {
string namespace = 1;
string topic = 2;
int32 id = 3;
Partition partition = 4;
}
message AssignSegmentBrokersRequest {
Segment segment = 1;
}
message AssignSegmentBrokersResponse {
repeated string brokers = 1;
}
message CheckSegmentStatusRequest {
Segment segment = 1;
}
message CheckSegmentStatusResponse {
bool is_active = 1;
}
message CheckBrokerLoadRequest {
}
message CheckBrokerLoadResponse {
int64 message_count = 1;
int64 bytes_count = 2;
}
message FindTopicBrokersRequest {
Topic topic = 1;
bool is_for_publish = 2;
}
message FindTopicBrokersResponse {
Topic topic = 1;
TopicPartitionsAssignment topic_partitions_assignment = 2;
}
message BrokerPartitionsAssignment {
int32 partition_start = 1;
int32 partition_stop = 2;
string leader_broker = 3;
repeated string follower_brokers = 4;
}
message TopicPartitionsAssignment {
int32 partition_count = 1; // over-sharded partitions, usually 1024
repeated BrokerPartitionsAssignment broker_partitions = 2;
}
message RequestTopicPartitionsRequest {
Topic topic = 1;
int32 partition_count = 2;
}
message RequestTopicPartitionsResponse {
TopicPartitionsAssignment topic_partitions_assignment = 1;
}
message AssignTopicPartitionsRequest {
Topic topic = 1;
TopicPartitionsAssignment topic_partitions_assignment = 2;
bool is_leader = 3;
}
message AssignTopicPartitionsResponse {
}
message CheckTopicPartitionsStatusRequest {
string namespace = 1;
string topic = 2;
BrokerPartitionsAssignment broker_partitions_assignment = 3;
bool should_cancel_if_not_match = 4;
}
message CheckTopicPartitionsStatusResponse {
TopicPartitionsAssignment topic_partitions_assignment = 1;
}
//////////////////////////////////////////////////
message DataMessage {
bytes key = 1;
bytes value = 2;
}
message PublishRequest {
message InitMessage {
Topic topic = 1;
Partition partition = 2;
}
oneof message {
InitMessage init = 1;
DataMessage data = 2;
}
int64 sequence = 3;
}
message PublishResponse {
int64 ack_sequence = 1;
string error = 2;
bool is_closed = 3;
}
message SubscribeRequest {
message InitMessage {
Topic topic = 1;
Partition partition = 2;
}
oneof message {
InitMessage init = 1;
DataMessage data = 2;
}
int64 sequence = 3;
}
message SubscribeResponse {
message CtrlMessage {
string error = 1;
string redirect_to_broker = 2;
}
oneof message {
CtrlMessage ctrl = 1;
DataMessage data = 2;
}
}