forked from Azure/azure-service-bus-go
/
session.go
62 lines (54 loc) · 1.96 KB
/
session.go
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package servicebus
// MIT License
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE
import (
"sync/atomic"
"github.com/Azure/azure-amqp-common-go/uuid"
"pack.ag/amqp"
)
type (
// session is a wrapper for the AMQP session with some added information to help with Service Bus messaging
session struct {
*amqp.Session
SessionID string
counter uint32
}
)
// newSession is a constructor for a Service Bus session which will pre-populate the SessionID with a new UUID
func newSession(amqpSession *amqp.Session) (*session, error) {
id, err := uuid.NewV4()
if err != nil {
return nil, err
}
return &session{
Session: amqpSession,
SessionID: id.String(),
counter: 0,
}, nil
}
// getNext gets and increments the next group sequence number for the session
func (s *session) getNext() uint32 {
return atomic.AddUint32(&s.counter, 1)
}
func (s *session) String() string {
return s.SessionID
}