forked from Azure/azure-event-hubs-go
/
namespace.go
80 lines (69 loc) · 2.62 KB
/
namespace.go
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package eventhub
// 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 (
"context"
"runtime"
"github.com/Azure/azure-amqp-common-go/auth"
"github.com/Azure/azure-amqp-common-go/cbs"
"github.com/Azure/go-autorest/autorest/azure"
"pack.ag/amqp"
)
type (
namespace struct {
name string
tokenProvider auth.TokenProvider
environment azure.Environment
}
)
func newNamespace(name string, tokenProvider auth.TokenProvider, env azure.Environment) *namespace {
ns := &namespace{
name: name,
tokenProvider: tokenProvider,
environment: env,
}
return ns
}
func (ns *namespace) newConnection() (*amqp.Client, error) {
host := ns.getAmqpHostURI()
return amqp.Dial(host,
amqp.ConnSASLAnonymous(),
amqp.ConnMaxSessions(65535),
amqp.ConnProperty("product", "MSGolangClient"),
amqp.ConnProperty("version", Version),
amqp.ConnProperty("platform", runtime.GOOS),
amqp.ConnProperty("framework", runtime.Version()),
amqp.ConnProperty("user-agent", rootUserAgent),
)
}
func (ns *namespace) negotiateClaim(ctx context.Context, conn *amqp.Client, entityPath string) error {
span, ctx := ns.startSpanFromContext(ctx, "eventhub.namespace.negotiateClaim")
defer span.Finish()
audience := ns.getEntityAudience(entityPath)
return cbs.NegotiateClaim(ctx, audience, conn, ns.tokenProvider)
}
func (ns *namespace) getAmqpHostURI() string {
return "amqps://" + ns.name + "." + ns.environment.ServiceBusEndpointSuffix + "/"
}
func (ns *namespace) getEntityAudience(entityPath string) string {
return ns.getAmqpHostURI() + entityPath
}