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errors.go
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errors.go
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/********************************************************************************
* Copyright 2020 Dell 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.
*******************************************************************************/
package mqtt
import (
"fmt"
)
const (
// Different Client operations.
PublishOperation = "Publish"
SubscribeOperation = "Subscribe"
ConnectOperation = "Connect"
)
// TimeoutErr defines an error representing operations which have not completed and surpassed the allowed wait time.
type TimeoutErr struct {
operation string
message string
}
func (te TimeoutErr) Error() string {
return fmt.Sprintf("Timeout occured while performing a '%s' operation: %s", te.operation, te.message)
}
// NewTimeoutError creates a new TimeoutErr.
func NewTimeoutError(operation string, message string) TimeoutErr {
return TimeoutErr{
operation: operation,
message: message,
}
}
// OperationErr defines an error representing operations which have failed.
type OperationErr struct {
operation string
message string
}
func (oe OperationErr) Error() string {
return fmt.Sprintf("An error occured while performing a '%s' operation: %s", oe.operation, oe.message)
}
// NewOperationErr creates a new OperationErr
func NewOperationErr(operation string, message string) OperationErr {
return OperationErr{
operation: operation,
message: message,
}
}