forked from TrueCloudLab/frostfs-api
97 lines
3.9 KiB
Markdown
97 lines
3.9 KiB
Markdown
# Protocol Documentation
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<a name="top"></a>
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## Table of Contents
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- [session/service.proto](#session/service.proto)
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- Services
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- [Session](#session.Session)
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- Messages
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- [CreateRequest](#session.CreateRequest)
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- [CreateResponse](#session.CreateResponse)
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- [Scalar Value Types](#scalar-value-types)
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<a name="session/service.proto"></a>
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<p align="right"><a href="#top">Top</a></p>
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## session/service.proto
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<a name="session.Session"></a>
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### Service "session.Session"
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```
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rpc Create(CreateRequest) returns (CreateResponse);
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```
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#### Method Create
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Create opens new session between the client and the server.
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| Name | Input | Output |
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| ---- | ----- | ------ |
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| Create | [CreateRequest](#session.CreateRequest) | [CreateResponse](#session.CreateResponse) |
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<!-- end services -->
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<a name="session.CreateRequest"></a>
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### Message CreateRequest
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CreateRequest carries an information necessary for opening a session.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| owner_id | [refs.OwnerID](#refs.OwnerID) | | Carries an identifier of a session initiator. |
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| lifetime | [service.TokenLifetime](#service.TokenLifetime) | | Carries a lifetime of the session. |
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| meta_header | [service.RequestMetaHeader](#service.RequestMetaHeader) | | Carries request meta information. Header data is used only to regulate message transport and does not affect request execution. |
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| verify_header | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | Carries request verification information. This header is used to authenticate the nodes of the message route and check the correctness of transmission. |
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<a name="session.CreateResponse"></a>
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### Message CreateResponse
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CreateResponse carries an information about the opened session.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| id | [bytes](#bytes) | | id carries an identifier of session token. |
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| session_key | [bytes](#bytes) | | session_key carries a session public key. |
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<!-- end messages -->
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<!-- end enums -->
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## Scalar Value Types
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| .proto Type | Notes | C++ Type | Java Type | Python Type |
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| ----------- | ----- | -------- | --------- | ----------- |
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| <a name="double" /> double | | double | double | float |
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| <a name="float" /> float | | float | float | float |
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| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
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| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers – if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
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| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
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| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
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| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
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| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
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| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
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| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
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| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
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| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
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| <a name="bool" /> bool | | bool | boolean | boolean |
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| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
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| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |
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