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// Copyright 2016 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";
package google.rpc;
option go_package = "google.golang.org/genproto/googleapis/rpc/code;code";
option java_multiple_files = true;
option java_outer_classname = "CodeProto";
option java_package = "com.google.rpc";
option objc_class_prefix = "RPC";
// The canonical error codes for Google APIs.
//
//
// Sometimes multiple error codes may apply. Services should return
// the most specific error code that applies. For example, prefer
// `OUT_OF_RANGE` over `FAILED_PRECONDITION` if both codes apply.
// Similarly prefer `NOT_FOUND` or `ALREADY_EXISTS` over `FAILED_PRECONDITION`.
enum Code {
// Not an error; returned on success
//
// HTTP Mapping: 200 OK
OK = 0;
// The operation was cancelled, typically by the caller.
//
// HTTP Mapping: 499 Client Closed Request
CANCELLED = 1;
// Unknown error. For example, this error may be returned when
// a `Status` value received from another address space belongs to
// an error space that is not known in this address space. Also
// errors raised by APIs that do not return enough error information
// may be converted to this error.
//
// HTTP Mapping: 500 Internal Server Error
UNKNOWN = 2;
// The client specified an invalid argument. Note that this differs
// from `FAILED_PRECONDITION`. `INVALID_ARGUMENT` indicates arguments
// that are problematic regardless of the state of the system
// (e.g., a malformed file name).
//
// HTTP Mapping: 400 Bad Request
INVALID_ARGUMENT = 3;
// The deadline expired before the operation could complete. For operations
// that change the state of the system, this error may be returned
// even if the operation has completed successfully. For example, a
// successful response from a server could have been delayed long
// enough for the deadline to expire.
//
// HTTP Mapping: 504 Gateway Timeout
DEADLINE_EXCEEDED = 4;
// Some requested entity (e.g., file or directory) was not found.
// For privacy reasons, this code *may* be returned when the client
// does not have the access rights to the entity, though such usage is
// discouraged.
//
// HTTP Mapping: 404 Not Found
NOT_FOUND = 5;
// The entity that a client attempted to create (e.g., file or directory)
// already exists.
//
// HTTP Mapping: 409 Conflict
ALREADY_EXISTS = 6;
// The caller does not have permission to execute the specified
// operation. `PERMISSION_DENIED` must not be used for rejections
// caused by exhausting some resource (use `RESOURCE_EXHAUSTED`
// instead for those errors). `PERMISSION_DENIED` must not be
// used if the caller can not be identified (use `UNAUTHENTICATED`
// instead for those errors).
//
// HTTP Mapping: 403 Forbidden
PERMISSION_DENIED = 7;
// The request does not have valid authentication credentials for the
// operation.
//
// HTTP Mapping: 401 Unauthorized
UNAUTHENTICATED = 16;
// Some resource has been exhausted, perhaps a per-user quota, or
// perhaps the entire file system is out of space.
//
// HTTP Mapping: 429 Too Many Requests
RESOURCE_EXHAUSTED = 8;
// The operation was rejected because the system is not in a state
// required for the operation's execution. For example, the directory
// to be deleted is non-empty, an rmdir operation is applied to
// a non-directory, etc.
//
// Service implementors can use the following guidelines to decide
// between `FAILED_PRECONDITION`, `ABORTED`, and `UNAVAILABLE`:
// (a) Use `UNAVAILABLE` if the client can retry just the failing call.
// (b) Use `ABORTED` if the client should retry at a higher level
// (e.g., restarting a read-modify-write sequence).
// (c) Use `FAILED_PRECONDITION` if the client should not retry until
// the system state has been explicitly fixed. E.g., if an "rmdir"
// fails because the directory is non-empty, `FAILED_PRECONDITION`
// should be returned since the client should not retry unless
// the files are deleted from the directory.
//
// HTTP Mapping: 400 Bad Request
FAILED_PRECONDITION = 9;
// The operation was aborted, typically due to a concurrency issue such as
// a sequencer check failure or transaction abort.
//
// See the guidelines above for deciding between `FAILED_PRECONDITION`,
// `ABORTED`, and `UNAVAILABLE`.
//
// HTTP Mapping: 409 Conflict
ABORTED = 10;
// The operation was attempted past the valid range. E.g., seeking or
// reading past end-of-file.
//
// Unlike `INVALID_ARGUMENT`, this error indicates a problem that may
// be fixed if the system state changes. For example, a 32-bit file
// system will generate `INVALID_ARGUMENT` if asked to read at an
// offset that is not in the range [0,2^32-1], but it will generate
// `OUT_OF_RANGE` if asked to read from an offset past the current
// file size.
//
// There is a fair bit of overlap between `FAILED_PRECONDITION` and
// `OUT_OF_RANGE`. We recommend using `OUT_OF_RANGE` (the more specific
// error) when it applies so that callers who are iterating through
// a space can easily look for an `OUT_OF_RANGE` error to detect when
// they are done.
//
// HTTP Mapping: 400 Bad Request
OUT_OF_RANGE = 11;
// The operation is not implemented or is not supported/enabled in this
// service.
//
// HTTP Mapping: 501 Not Implemented
UNIMPLEMENTED = 12;
// Internal errors. This means that some invariants expected by the
// underlying system have been broken. This error code is reserved
// for serious errors.
//
// HTTP Mapping: 500 Internal Server Error
INTERNAL = 13;
// The service is currently unavailable. This is most likely a
// transient condition, which can be corrected by retrying with
// a backoff.
//
// See the guidelines above for deciding between `FAILED_PRECONDITION`,
// `ABORTED`, and `UNAVAILABLE`.
//
// HTTP Mapping: 503 Service Unavailable
UNAVAILABLE = 14;
// Unrecoverable data loss or corruption.
//
// HTTP Mapping: 500 Internal Server Error
DATA_LOSS = 15;
}
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