56 lines
997 B
Protocol Buffer
56 lines
997 B
Protocol Buffer
syntax = "proto3";
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package pdpb;
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// TSO Service
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service Tso {
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rpc GetTimestamp(TsoRequest) returns (TsoResponse);
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}
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message TsoRequest {
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uint32 count = 1;
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}
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message TsoResponse {
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uint64 timestamp = 1; // Physical << 16 | Logical
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uint32 count = 2;
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}
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// Cluster Management Service
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service Pd {
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// Store Registration
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rpc RegisterStore(RegisterStoreRequest) returns (RegisterStoreResponse);
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// Region Discovery
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rpc GetRegion(GetRegionRequest) returns (GetRegionResponse);
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}
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message RegisterStoreRequest {
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string addr = 1; // e.g., "127.0.0.1:50051"
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}
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message RegisterStoreResponse {
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uint64 store_id = 1;
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uint64 cluster_id = 2; // Verify cluster match
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}
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message GetRegionRequest {
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bytes key = 1;
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}
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message GetRegionResponse {
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Region region = 1;
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Store leader = 2;
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}
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message Region {
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uint64 id = 1;
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bytes start_key = 2;
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bytes end_key = 3; // empty = infinity
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// In future: repeated Peer peers = 4;
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}
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message Store {
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uint64 id = 1;
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string addr = 2;
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}
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