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Diffstat (limited to 'vendor/google.golang.org/grpc/codes')
-rw-r--r--vendor/google.golang.org/grpc/codes/codes.go46
1 files changed, 46 insertions, 0 deletions
diff --git a/vendor/google.golang.org/grpc/codes/codes.go b/vendor/google.golang.org/grpc/codes/codes.go
index 02738839d..11b106182 100644
--- a/vendor/google.golang.org/grpc/codes/codes.go
+++ b/vendor/google.golang.org/grpc/codes/codes.go
@@ -33,6 +33,9 @@ const (
OK Code = 0
// Canceled indicates the operation was canceled (typically by the caller).
+ //
+ // The gRPC framework will generate this error code when cancellation
+ // is requested.
Canceled Code = 1
// Unknown error. An example of where this error may be returned is
@@ -40,12 +43,17 @@ const (
// 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.
+ //
+ // The gRPC framework will generate this error code in the above two
+ // mentioned cases.
Unknown Code = 2
// InvalidArgument indicates client specified an invalid argument.
// Note that this differs from FailedPrecondition. It indicates arguments
// that are problematic regardless of the state of the system
// (e.g., a malformed file name).
+ //
+ // This error code will not be generated by the gRPC framework.
InvalidArgument Code = 3
// DeadlineExceeded means operation expired before completion.
@@ -53,14 +61,21 @@ const (
// 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.
+ //
+ // The gRPC framework will generate this error code when the deadline is
+ // exceeded.
DeadlineExceeded Code = 4
// NotFound means some requested entity (e.g., file or directory) was
// not found.
+ //
+ // This error code will not be generated by the gRPC framework.
NotFound Code = 5
// AlreadyExists means an attempt to create an entity failed because one
// already exists.
+ //
+ // This error code will not be generated by the gRPC framework.
AlreadyExists Code = 6
// PermissionDenied indicates the caller does not have permission to
@@ -69,10 +84,17 @@ const (
// instead for those errors). It must not be
// used if the caller cannot be identified (use Unauthenticated
// instead for those errors).
+ //
+ // This error code will not be generated by the gRPC core framework,
+ // but expect authentication middleware to use it.
PermissionDenied Code = 7
// ResourceExhausted indicates some resource has been exhausted, perhaps
// a per-user quota, or perhaps the entire file system is out of space.
+ //
+ // This error code will be generated by the gRPC framework in
+ // out-of-memory and server overload situations, or when a message is
+ // larger than the configured maximum size.
ResourceExhausted Code = 8
// FailedPrecondition indicates operation was rejected because the
@@ -94,6 +116,8 @@ const (
// 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.
+ //
+ // This error code will not be generated by the gRPC framework.
FailedPrecondition Code = 9
// Aborted indicates the operation was aborted, typically due to a
@@ -102,6 +126,8 @@ const (
//
// See litmus test above for deciding between FailedPrecondition,
// Aborted, and Unavailable.
+ //
+ // This error code will not be generated by the gRPC framework.
Aborted Code = 10
// OutOfRange means operation was attempted past the valid range.
@@ -119,15 +145,26 @@ const (
// error) when it applies so that callers who are iterating through
// a space can easily look for an OutOfRange error to detect when
// they are done.
+ //
+ // This error code will not be generated by the gRPC framework.
OutOfRange Code = 11
// Unimplemented indicates operation is not implemented or not
// supported/enabled in this service.
+ //
+ // This error code will be generated by the gRPC framework. Most
+ // commonly, you will see this error code when a method implementation
+ // is missing on the server. It can also be generated for unknown
+ // compression algorithms or a disagreement as to whether an RPC should
+ // be streaming.
Unimplemented Code = 12
// Internal errors. Means some invariants expected by underlying
// system has been broken. If you see one of these errors,
// something is very broken.
+ //
+ // This error code will be generated by the gRPC framework in several
+ // internal error conditions.
Internal Code = 13
// Unavailable indicates the service is currently unavailable.
@@ -137,13 +174,22 @@ const (
//
// See litmus test above for deciding between FailedPrecondition,
// Aborted, and Unavailable.
+ //
+ // This error code will be generated by the gRPC framework during
+ // abrupt shutdown of a server process or network connection.
Unavailable Code = 14
// DataLoss indicates unrecoverable data loss or corruption.
+ //
+ // This error code will not be generated by the gRPC framework.
DataLoss Code = 15
// Unauthenticated indicates the request does not have valid
// authentication credentials for the operation.
+ //
+ // The gRPC framework will generate this error code when the
+ // authentication metadata is invalid or a Credentials callback fails,
+ // but also expect authentication middleware to generate it.
Unauthenticated Code = 16
_maxCode = 17