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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
}

96
object/types.proto
View file

@ -9,99 +9,97 @@ import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message Range {
uint64 Offset = 1;
uint64 Length = 2;
uint64 Offset = 1; // Offset of the data range
uint64 Length = 2; // Length of the data range
}
message UserHeader {
string Key = 1;
string Value = 2;
string Key = 1; // Key of the user's header
string Value = 2; // Value of the user's header
}
message Header {
oneof Value {
Link Link = 1;
refs.Address Redirect = 2;
UserHeader UserHeader = 3;
Transform Transform = 4;
Tombstone Tombstone = 5;
// session-related info: session.VerificationHeader
session.VerificationHeader Verify = 6;
// integrity-related info
bytes HomoHash = 7 [(gogoproto.customtype) = "Hash"];
bytes PayloadChecksum = 8;
IntegrityHeader Integrity = 9;
StorageGroup StorageGroup = 10;
Link Link = 1; // Link to other objects
refs.Address Redirect = 2; // RedirectNot used yet
UserHeader UserHeader = 3; // UserHeader defined by user
Transform Transform = 4; // Transform defines transform operation (e.g. payload split)
Tombstone Tombstone = 5; // Tombstone header that set up in deleted objects
session.VerificationHeader Verify = 6; // Verify header that contains session public key and user's signature
bytes HomoHash = 7 [(gogoproto.customtype) = "Hash"]; // Homomorphic hash of original object payload
bytes PayloadChecksum = 8; // PayloadChecksum of actual object's payload
IntegrityHeader Integrity = 9; // Integrity header with checksum of all above headers in the object
StorageGroup StorageGroup = 10; // StorageGroup contains meta information for the data audit
}
}
message Tombstone {
uint64 Epoch = 1;
uint64 Epoch = 1; // Epoch when tombstone was created
}
message SystemHeader {
uint64 Version = 1;
uint64 PayloadLength = 2;
uint64 Version = 1; // Version of the object structure
uint64 PayloadLength = 2; // Object payload length
bytes ID = 3 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false];
bytes OwnerID = 4 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
bytes CID = 5 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
CreationPoint CreatedAt = 6 [(gogoproto.nullable) = false];
bytes ID = 3 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false]; // ObjectID is a UUID
bytes OwnerID = 4 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false]; // OwnerID is a wallet address
bytes CID = 5 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false]; // ContainerID is a SHA256 hash of the container structure
CreationPoint CreatedAt = 6 [(gogoproto.nullable) = false]; // Timestamp of object creation
}
message CreationPoint {
int64 UnixTime = 1;
uint64 Epoch = 2;
int64 UnixTime = 1; // Date of creation in unixtime format
uint64 Epoch = 2; // Date of creation in NeoFS epochs
}
message IntegrityHeader {
bytes HeadersChecksum = 1;
bytes ChecksumSignature = 2;
bytes HeadersChecksum = 1; // Checksum of all above headers in the object
bytes ChecksumSignature = 2; // User's signature of checksum to verify if it is correct
}
message Link {
enum Type {
Unknown = 0;
Parent = 1;
Previous = 2;
Next = 3;
Child = 4;
StorageGroup = 5;
Parent = 1; // Parent object created during object transformation
Previous = 2; // Previous object in the linked list created during object transformation
Next = 3; // Next object in the linked list created during object transformation
Child = 4; // Child object created during object transformation
StorageGroup = 5; // Object that included into this storage group
}
Type type = 1;
bytes ID = 2 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false];
Type type = 1; // Link type
bytes ID = 2 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false]; // Object id
}
message Transform {
enum Type {
Unknown = 0;
Split = 1;
Sign = 2;
Mould = 3;
Split = 1; // Object created after payload split
Sign = 2; // Object created after re-signing (doesn't used)
Mould = 3; // Object created after filling missing headers in the object
}
Type type = 1;
Type type = 1; // Type of object transformation
}
message Object {
SystemHeader SystemHeader = 1 [(gogoproto.nullable) = false];
repeated Header Headers = 2 [(gogoproto.nullable) = false];
bytes Payload = 3;
SystemHeader SystemHeader = 1 [(gogoproto.nullable) = false]; // System header
repeated Header Headers = 2 [(gogoproto.nullable) = false]; // Extended headers
bytes Payload = 3; // Object's payload
}
message StorageGroup {
uint64 ValidationDataSize = 1;
bytes ValidationHash = 2 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false];
uint64 ValidationDataSize = 1; // Size of the all object's payloads included into storage group
bytes ValidationHash = 2 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false]; // Homomorphic hash of all object's payloads included into storage group
message Lifetime {
enum Unit {
Unlimited = 0;
NeoFSEpoch = 1;
UnixTime = 2;
Unlimited = 0; // Storage group always valid
NeoFSEpoch = 1; // Storage group is valid until lifetime NeoFS epoch
UnixTime = 2; // Storage group is valid until lifetime unix timestamp
}
Unit unit = 1 [(gogoproto.customname) = "Unit"];
int64 Value = 2;
Unit unit = 1 [(gogoproto.customname) = "Unit"]; // Lifetime type
int64 Value = 2; // Lifetime value
}
Lifetime lifetime = 3 [(gogoproto.customname) = "Lifetime"];
Lifetime lifetime = 3 [(gogoproto.customname) = "Lifetime"]; // Time until storage group is valid
}