133 lines
4.3 KiB
Protocol Buffer
133 lines
4.3 KiB
Protocol Buffer
syntax = "proto3";
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package neo.fs.v2.status;
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option go_package = "github.com/nspcc-dev/neofs-api-go/v2/status/grpc;status";
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option csharp_namespace = "Neo.FileStorage.API.Status";
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// Declares the general format of the status returns of the NeoFS RPC protocol.
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// Status is present in all response messages. Each RPC of NeoFS protocol
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// describes the possible outcomes and details of the operation.
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//
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// Each status is assigned a one-to-one numeric code. Any unique result of an
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// operation in NeoFS is unambiguously associated with the code value.
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//
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// Numerical set of codes is split into 1024-element sections. An enumeration
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// is defined for each section. Values can be referred to in the following ways:
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//
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// * numerical value ranging from 0 to 4,294,967,295 (global code);
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//
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// * values from enumeration (local code). The formula for the ratio of the
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// local code (`L`) of a defined section (`S`) to the global one (`G`):
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// `G = 1024 * S + L`.
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//
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// All outcomes are divided into successful and failed, which corresponds
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// to the success or failure of the operation. The definition of success
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// follows the semantics of RPC and the description of its purpose.
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// The server must not attach code that is the opposite of the outcome type.
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//
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// See the set of return codes in the description for calls.
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//
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// Each status can carry a developer-facing error message. It should be a human
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// readable text in English. The server should not transmit (and the client
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// should not expect) useful information in the message. Field `details`
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// should make the return more detailed.
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message Status {
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// The status code
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uint32 code = 1;
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// Developer-facing error message
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string message = 2;
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// Return detail. It contains additional information that can be used to
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// analyze the response. Each code defines a set of details that can be
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// attached to a status. Client should not handle details that are not
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// covered by the code.
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message Detail {
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// Detail ID. The identifier is required to determine the binary format
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// of the detail and how to decode it.
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uint32 id = 1;
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// Binary status detail. Must follow the format associated with ID.
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// The possibility of missing a value must be explicitly allowed.
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bytes value = 2;
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}
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// Data detailing the outcome of the operation. Must be unique by ID.
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repeated Detail details = 3;
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}
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// Section identifiers.
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enum Section {
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// Successful return codes.
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SECTION_SUCCESS = 0;
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// Failure codes regardless of the operation.
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SECTION_FAILURE_COMMON = 1;
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// Object service-specific errors.
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SECTION_OBJECT = 2;
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// Container service-specific errors.
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SECTION_CONTAINER = 3;
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// Session service-specific errors.
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SECTION_SESSION = 4;
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}
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// Section of NeoFS successful return codes.
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enum Success {
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// [**0**] Default success. Not detailed.
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// If the server cannot match successful outcome to the code, it should
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// use this code.
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OK = 0;
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}
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// Section of failed statuses independent of the operation.
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enum CommonFail {
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// [**1024**] Internal server error, default failure. Not detailed.
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// If the server cannot match failed outcome to the code, it should
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// use this code.
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INTERNAL = 0;
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// [**1025**] Wrong magic of the NeoFS network.
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// Details:
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// - [**0**] Magic number of the served NeoFS network (big-endian 64-bit
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// unsigned integer).
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WRONG_MAGIC_NUMBER = 1;
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}
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// Section of statuses for object-related operations.
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enum Object {
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// [**2048**] Access denied by ACL.
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// Details:
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// - [**0**] Human-readable description (UTF-8 encoded string).
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ACCESS_DENIED = 0;
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// [**2049**] Object not found.
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OBJECT_NOT_FOUND = 1;
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// [**2050**] Operation rejected by the object lock.
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LOCKED = 2;
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// [**2051**] Locking an object with a non-REGULAR type rejected.
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LOCK_NON_REGULAR_OBJECT = 3;
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// [**2052**] Object has been marked deleted.
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OBJECT_ALREADY_REMOVED = 4;
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}
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// Section of statuses for container-related operations.
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enum Container {
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// [**3072**] Container not found.
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CONTAINER_NOT_FOUND = 0;
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}
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// Section of statuses for session-related operations.
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enum Session {
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// [**4096**] Token not found.
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TOKEN_NOT_FOUND = 0;
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// [**4097**] Token has expired.
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TOKEN_EXPIRED = 1;
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}
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