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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
syntax = "proto3";
option cc_enable_arenas = true;
package storage.mbusprot.protobuf;
// Note: we use a *Request/*Response naming convention rather than *Command/*Reply,
// as the former is the gRPC convention and that's where we intend to move.
message BucketSpace {
uint64 space_id = 1;
}
message BucketId {
fixed64 raw_id = 1;
}
message Bucket {
uint64 space_id = 1;
fixed64 raw_bucket_id = 2;
}
// Next tag to use: 3
message BucketInfo {
uint64 last_modified_timestamp = 1;
fixed32 legacy_checksum = 2;
// TODO v2 checksum
uint32 doc_count = 3;
uint32 total_doc_size = 4;
uint32 meta_count = 5;
uint32 used_file_size = 6;
bool ready = 7;
bool active = 8;
}
message GlobalId {
// 96 bits of GID data in _little_ endian. High entropy, so fixed encoding is better than varint.
// Low 64 bits as if memcpy()ed from bytes [0, 8) of the GID buffer
fixed64 lo_64 = 1;
// High 32 bits as if memcpy()ed from bytes [8, 12) of the GID buffer
fixed32 hi_32 = 2;
}
// TODO these should ideally be gRPC headers..
message RequestHeader {
uint64 message_id = 1;
uint32 priority = 2; // Always in range [0, 255]
uint32 source_index = 3; // Always in range [0, 65535]
fixed32 loadtype_id = 4; // It's a hash with high entropy, so fixed encoding is better than varint
}
// TODO these should ideally be gRPC headers..
message ResponseHeader {
// TODO this should ideally be gRPC Status...
uint32 return_code_id = 1;
bytes return_code_message = 2; // FIXME it's `bytes` since `string` will check for UTF-8... might not hold...
uint64 message_id = 3;
uint32 priority = 4; // Always in range [0, 255]
}
message Document {
bytes payload = 1;
}
message DocumentId {
bytes id = 1;
}
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