forked from TrueCloudLab/frostfs-api
89 lines
3.6 KiB
Markdown
89 lines
3.6 KiB
Markdown
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# Protocol Documentation
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<a name="top"></a>
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## Table of Contents
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- [storagegroup/types.proto](#storagegroup/types.proto)
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- Messages
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- [StorageGroup](#storagegroup.StorageGroup)
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- [StorageGroup.Lifetime](#storagegroup.StorageGroup.Lifetime)
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- [Scalar Value Types](#scalar-value-types)
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<a name="storagegroup/types.proto"></a>
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<p align="right"><a href="#top">Top</a></p>
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## storagegroup/types.proto
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<!-- end services -->
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<a name="storagegroup.StorageGroup"></a>
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### Message StorageGroup
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| ValidationDataSize | [uint64](#uint64) | | ValidationDataSize is size of the all object's payloads included into storage group |
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| ValidationHash | [bytes](#bytes) | | ValidationHash is homomorphic hash of all object's payloads included into storage group |
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| lifetime | [StorageGroup.Lifetime](#storagegroup.StorageGroup.Lifetime) | | Lifetime is time until storage group is valid |
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<a name="storagegroup.StorageGroup.Lifetime"></a>
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### Message StorageGroup.Lifetime
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| unit | [StorageGroup.Lifetime.Unit](#storagegroup.StorageGroup.Lifetime.Unit) | | Unit is lifetime type |
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| Value | [int64](#int64) | | Value for lifetime |
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<!-- end messages -->
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<a name="storagegroup.StorageGroup.Lifetime.Unit"></a>
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### StorageGroup.Lifetime.Unit
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| Name | Number | Description |
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| ---- | ------ | ----------- |
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| Unlimited | 0 | Unlimited set if storage group always valid |
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| NeoFSEpoch | 1 | NeoFSEpoch set if storage group is valid until lifetime NeoFS epoch |
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| UnixTime | 2 | UnixTime set if storage group is valid until lifetime unix timestamp |
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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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