| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159 | /* * * Copyright 2015, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * *     * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. *     * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. *     * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */#ifndef GRPCXX_STATUS_CODE_ENUM_H#define GRPCXX_STATUS_CODE_ENUM_Hnamespace grpc {enum StatusCode {  /* Not an error; returned on success */  OK = 0,  /* The operation was cancelled (typically by the caller). */  CANCELLED = 1,  /* Unknown error.  An example of where this error may be returned is     if 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. */  UNKNOWN = 2,  /* 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). */  INVALID_ARGUMENT = 3,  /* Deadline expired before 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. */  DEADLINE_EXCEEDED = 4,  /* Some requested entity (e.g., file or directory) was not found. */  NOT_FOUND = 5,  /* Some entity that we attempted to create (e.g., file or directory)     already exists. */  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). */  PERMISSION_DENIED = 7,  /* The request does not have valid authentication credentials for the     operation. */  UNAUTHENTICATED = 16,  /* Some resource has been exhausted, perhaps a per-user quota, or     perhaps the entire file system is out of space. */  RESOURCE_EXHAUSTED = 8,  /* Operation was rejected because the system is not in a state     required for the operation's execution.  For example, directory     to be deleted may be non-empty, an rmdir operation is applied to     a non-directory, etc.     A litmus test that may help a service implementor in deciding     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          they have first fixed up the directory by deleting files from it.      (d) Use FAILED_PRECONDITION if the client performs conditional          REST Get/Update/Delete on a resource and the resource on the          server does not match the condition. E.g., conflicting          read-modify-write on the same resource. */  FAILED_PRECONDITION = 9,  /* The operation was aborted, typically due to a concurrency issue     like sequencer check failures, transaction aborts, etc.     See litmus test above for deciding between FAILED_PRECONDITION,     ABORTED, and UNAVAILABLE. */  ABORTED = 10,  /* 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. */  OUT_OF_RANGE = 11,  /* Operation is not implemented or not supported/enabled in this service. */  UNIMPLEMENTED = 12,  /* Internal errors.  Means some invariants expected by underlying     system has been broken.  If you see one of these errors,     something is very broken. */  INTERNAL = 13,  /* The service is currently unavailable.  This is a most likely a     transient condition and may be corrected by retrying with     a backoff.     See litmus test above for deciding between FAILED_PRECONDITION,     ABORTED, and UNAVAILABLE. */  UNAVAILABLE = 14,  /* Unrecoverable data loss or corruption. */  DATA_LOSS = 15,  /* Force users to include a default branch: */  DO_NOT_USE = -1};}  // namespace grpc#endif  // GRPCXX_STATUS_CODE_ENUM_H
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