mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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fc3cd4d5c3
* save progress * GracefulShutdown grpc server, send to server close signal before canceling context * GracefulShutdown json server * GracefulShutdown json server * fix lint * clean * hack hugeFreelist * up streams limit * up streams limit * up streams limit * up streams limit * up streams limit * up streams limit * up streams limit * up streams limit * up streams limit * save progress * fix_race_condition_on_zstd_build * fix_race_condition_on_zstd_build * better close cursor * save progress * open read tx in all api methods * clean * clean
72 lines
1.6 KiB
Protocol Buffer
72 lines
1.6 KiB
Protocol Buffer
syntax = "proto3";
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package remote;
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option go_package = "./remote;remote";
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option java_multiple_files = true;
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option java_package = "io.turbo-geth.db";
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option java_outer_classname = "KV";
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// Provides methods to access key-value data
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service KV {
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// open a cursor on given position of given bucket
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// if streaming requested - streams all data: stops if client's buffer is full, resumes when client read enough from buffer
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// if streaming not requested - streams next data only when clients sends message to bi-directional channel
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// no full consistency guarantee - server implementation can close/open underlying db transaction at any time
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rpc Seek(stream SeekRequest) returns (stream Pair);
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}
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service KV2 {
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rpc Tx(stream Cursor) returns (stream Pair2);
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}
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message SeekRequest {
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string bucketName = 1;
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bytes seekKey = 2; // streaming start from this key
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bytes prefix = 3; // streaming stops when see first key without given prefix
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bool startSreaming = 4;
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bytes seekValue = 5; // streaming start from this value (DupSort)
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}
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message Pair {
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bytes key = 1;
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bytes value = 2;
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}
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enum Op {
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FIRST = 0;
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FIRST_DUP = 1;
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SEEK = 2;
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SEEK_BOTH = 3;
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CURRENT = 4;
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GET_MULTIPLE = 5;
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LAST = 6;
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LAST_DUP = 7;
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NEXT = 8;
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NEXT_DUP = 9;
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NEXT_MULTIPLE = 10;
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NEXT_NO_DUP = 11;
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PREV = 12;
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PREV_DUP = 13;
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PREV_NO_DUP = 14;
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SEEK_EXACT = 15;
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SEEK_BOTH_EXACT = 16;
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OPEN = 30;
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CLOSE = 31;
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}
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message Cursor {
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Op op = 1;
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string bucketName = 2;
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uint32 cursor = 3;
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bytes k = 4;
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bytes v = 5;
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}
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message Pair2 {
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bytes k = 1;
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bytes v = 2;
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uint32 cursorID = 3;
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}
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