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docs: add object proto documentation

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alexvanin 2019-11-20 18:50:10 +03:00
parent 5befe14968
commit 5aaea793da
2 changed files with 114 additions and 95 deletions
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113
object/service.proto
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@ -9,111 +9,132 @@ import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Object service provides API for manipulating with the object.
service Service {
// Get the object from a container
// Get the object from container. Response uses gRPC stream. First response
// message carry object of requested address. Chunk messages are parts of
// the object's payload if it is needed. All messages except first carry
// chunks. Requested object can be restored by concatenation of object
// message payload and all chunks keeping receiving order.
rpc Get(GetRequest) returns (stream GetResponse);
// Put the object into a container
// Put the object into container. Request uses gRPC stream. First message
// SHOULD BE type of PutHeader. Container id and Owner id of object SHOULD
// BE set. Session token SHOULD BE obtained before put operation (see
// session package). Chunk messages considered by server as part of object
// payload. All messages except first SHOULD BE chunks. Chunk messages
// SHOULD BE sent in direct order of fragmentation.
rpc Put(stream PutRequest) returns (PutResponse);
// Delete the object from a container
rpc Delete(DeleteRequest) returns (DeleteResponse);
// Get MetaInfo
// Head returns the object without data payload. Object in the
// response has system header only. If full headers flag is set, extended
// headers are also present.
rpc Head(HeadRequest) returns (HeadResponse);
// Search by MetaInfo
// Search objects in container. Version of query language format SHOULD BE
// set to 1. Search query represented in serialized format (see query
// package).
rpc Search(SearchRequest) returns (SearchResponse);
// Get ranges of object payload
// GetRange of data payload. Ranges are set of pairs (offset, length).
// Fragments order in response corresponds to ranges order in request.
rpc GetRange(GetRangeRequest) returns (GetRangeResponse);
// Get hashes of object ranges
// GetRangeHash returns homomorphic hash of object payload range after XOR
// operation. Ranges are set of pairs (offset, length). Hashes order in
// response corresponds to ranges order in request. Homomorphic hash is
// calculated for XORed data.
rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse);
}
message GetRequest {
uint64 Epoch = 1;
refs.Address Address = 2 [(gogoproto.nullable) = false];
uint32 TTL = 3;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
refs.Address Address = 2 [(gogoproto.nullable) = false]; // Address of object (container id + object id)
uint32 TTL = 3; // TTL must be larger than zero, it decreased in every neofs-node
}
message GetResponse {
oneof R {
Object object = 1;
bytes Chunk = 2;
Object object = 1; // Object header and some payload
bytes Chunk = 2; // Chunk of remaining payload
}
}
message PutRequest {
message PutHeader {
uint64 Epoch = 1;
Object Object = 2;
uint32 TTL = 3;
session.Token Token = 4;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
Object Object = 2; // Object with at least container id and owner id fields
uint32 TTL = 3; // TTL must be larger than zero, it decreased in every neofs-node
session.Token Token = 4; // Token with session public key and user's signature
}
oneof R {
PutHeader Header = 1;
bytes Chunk = 2;
PutHeader Header = 1; // Header should be the first message in the stream
bytes Chunk = 2; // Chunk should be a remaining message in stream should be chunks
}
}
message PutResponse {
refs.Address Address = 1 [(gogoproto.nullable) = false];
refs.Address Address = 1 [(gogoproto.nullable) = false]; // Address of object (container id + object id)
}
message DeleteRequest {
uint64 Epoch = 1;
refs.Address Address = 2 [(gogoproto.nullable) = false];
bytes OwnerID = 3 [(gogoproto.nullable) = false, (gogoproto.customtype) = "OwnerID"];
uint32 TTL = 4;
session.Token Token = 5;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
refs.Address Address = 2 [(gogoproto.nullable) = false]; // Address of object (container id + object id)
bytes OwnerID = 3 [(gogoproto.nullable) = false, (gogoproto.customtype) = "OwnerID"]; // OwnerID is a wallet address
uint32 TTL = 4; // TTL must be larger than zero, it decreased in every neofs-node
session.Token Token = 5; // Token with session public key and user's signature
}
// DeleteResponse is empty because we cannot guarantee permanent object removal
// in distributed system.
message DeleteResponse {}
// HeadRequest.FullHeader == true, for fetch all headers
message HeadRequest {
uint64 Epoch = 1;
refs.Address Address = 2 [(gogoproto.nullable) = false, (gogoproto.customtype) = "Address"];
bool FullHeaders = 3;
uint32 TTL = 4;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
refs.Address Address = 2 [(gogoproto.nullable) = false, (gogoproto.customtype) = "Address"]; // Address of object (container id + object id)
bool FullHeaders = 3; // FullHeaders can be set true for extended headers in the object
uint32 TTL = 4; // TTL must be larger than zero, it decreased in every neofs-node
}
message HeadResponse {
Object Object = 1;
Object Object = 1; // Object without payload
}
message SearchRequest {
uint64 Epoch = 1;
uint32 Version = 2;
bytes ContainerID = 3 [(gogoproto.nullable) = false, (gogoproto.customtype) = "CID"];
bytes Query = 4;
uint32 TTL = 5;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
uint32 Version = 2; // Version of search query format
bytes ContainerID = 3 [(gogoproto.nullable) = false, (gogoproto.customtype) = "CID"]; // ContainerID for searching the object
bytes Query = 4; // Query in the binary serialized format
uint32 TTL = 5; // TTL must be larger than zero, it decreased in every neofs-node
}
message SearchResponse {
repeated refs.Address Addresses = 1 [(gogoproto.nullable) = false];
repeated refs.Address Addresses = 1 [(gogoproto.nullable) = false]; // Addresses of found objects
}
message GetRangeRequest {
uint64 Epoch = 1;
refs.Address Address = 2 [(gogoproto.nullable) = false];
repeated Range Ranges = 3 [(gogoproto.nullable) = false];
uint32 TTL = 4;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
refs.Address Address = 2 [(gogoproto.nullable) = false]; // Address of object (container id + object id)
repeated Range Ranges = 3 [(gogoproto.nullable) = false]; // Ranges of object's payload to return
uint32 TTL = 4; // TTL must be larger than zero, it decreased in every neofs-node
}
message GetRangeResponse {
repeated bytes Fragments = 1;
repeated bytes Fragments = 1; // Fragments of object's payload
}
message GetRangeHashRequest {
uint64 Epoch = 1;
refs.Address Address = 2 [(gogoproto.nullable) = false];
repeated Range Ranges = 3 [(gogoproto.nullable) = false];
bytes Salt = 4;
uint32 TTL = 5;
uint64 Epoch = 1; // Epoch is set by user to 0, node set epoch to the actual value
refs.Address Address = 2 [(gogoproto.nullable) = false]; // Address of object (container id + object id)
repeated Range Ranges = 3 [(gogoproto.nullable) = false]; // Ranges of object's payload to calculate homomorphic hash
bytes Salt = 4; // Salt is used to XOR object's payload ranges before hashing, it can be nil
uint32 TTL = 5; // TTL must be larger than zero, it decreased in every neofs-node
}
message GetRangeHashResponse {
repeated bytes Hashes = 1 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false];
repeated bytes Hashes = 1 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false]; // Homomorphic hashes of all ranges
}