| /* |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| */ |
| |
| package amqp |
| |
| // #include <proton/error.h> |
| import "C" |
| |
| import ( |
| "fmt" |
| ) |
| |
| // Error is an AMQP error condition. It has a name and a description. |
| // It implements the Go error interface so can be returned as an error value. |
| // |
| // You can pass amqp.Error to methods that send an error to a remote endpoint, |
| // this gives you full control over what the remote endpoint will see. |
| // |
| // You can also pass any Go error to such functions, the remote peer |
| // will see the equivalent of MakeError(error) |
| // |
| type Error struct{ Name, Description string } |
| |
| // Error implements the Go error interface for AMQP error errors. |
| func (c Error) Error() string { return fmt.Sprintf("%s: %s", c.Name, c.Description) } |
| |
| // Errorf makes a Error with name and formatted description as per fmt.Sprintf |
| func Errorf(name, format string, arg ...interface{}) Error { |
| return Error{name, fmt.Sprintf(format, arg...)} |
| } |
| |
| // MakeError makes an AMQP error from a go error: {Name: InternalError, Description: err.Error()} |
| // If err is already an amqp.Error it is returned unchanged. |
| func MakeError(err error) Error { |
| if amqpErr, ok := err.(Error); ok { |
| return amqpErr |
| } else { |
| return Error{InternalError, err.Error()} |
| } |
| } |
| |
| var ( |
| InternalError = "amqp:internal-error" |
| NotFound = "amqp:not-found" |
| UnauthorizedAccess = "amqp:unauthorized-access" |
| DecodeError = "amqp:decode-error" |
| ResourceLimitExceeded = "amqp:resource-limit-exceeded" |
| NotAllowed = "amqp:not-allowed" |
| InvalidField = "amqp:invalid-field" |
| NotImplemented = "amqp:not-implemented" |
| ResourceLocked = "amqp:resource-locked" |
| PreconditionFailed = "amqp:precondition-failed" |
| ResourceDeleted = "amqp:resource-deleted" |
| IllegalState = "amqp:illegal-state" |
| FrameSizeTooSmall = "amqp:frame-size-too-small" |
| ) |
| |
| type PnErrorCode int |
| |
| func (e PnErrorCode) String() string { |
| switch e { |
| case C.PN_EOS: |
| return "end-of-data" |
| case C.PN_ERR: |
| return "error" |
| case C.PN_OVERFLOW: |
| return "overflow" |
| case C.PN_UNDERFLOW: |
| return "underflow" |
| case C.PN_STATE_ERR: |
| return "bad-state" |
| case C.PN_ARG_ERR: |
| return "invalid-argument" |
| case C.PN_TIMEOUT: |
| return "timeout" |
| case C.PN_INTR: |
| return "interrupted" |
| case C.PN_INPROGRESS: |
| return "in-progress" |
| default: |
| return fmt.Sprintf("unknown-error(%d)", e) |
| } |
| } |
| |
| func PnError(e *C.pn_error_t) error { |
| if e == nil || C.pn_error_code(e) == 0 { |
| return nil |
| } |
| return fmt.Errorf("%s: %s", PnErrorCode(C.pn_error_code(e)), C.GoString(C.pn_error_text(e))) |
| } |