blob: b419a346e4ae5ee5139f7338c4a13a9cf6814ae3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright 2015 Open Networking Laboratory
*
* 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 org.onosproject.incubator.rpc.grpc;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.concurrent.ConcurrentHashMap;
import org.onosproject.incubator.rpc.RemoteServiceContext;
import org.onosproject.net.device.DeviceProviderRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
import io.grpc.ManagedChannel;
// gRPC Client side
// Probably there should be plug-in mechanism in the future.
/**
* RemoteServiceContext based on gRPC.
*
* <p>
* Currently it supports {@link DeviceProviderRegistry}.
*/
public class GrpcRemoteServiceContext implements RemoteServiceContext {
private final Logger log = LoggerFactory.getLogger(getClass());
private final Map<Class<? extends Object>, Object> services = new ConcurrentHashMap<>();
private final ManagedChannel channel;
public GrpcRemoteServiceContext(ManagedChannel channel) {
this.channel = checkNotNull(channel);
services.put(DeviceProviderRegistry.class, new DeviceProviderRegistryClientProxy(channel));
}
@Override
public <T> T get(Class<T> serviceClass) {
@SuppressWarnings("unchecked")
T service = (T) services.get(serviceClass);
if (service != null) {
return service;
}
log.error("{} not supported", serviceClass);
throw new NoSuchElementException(serviceClass.getTypeName() + " not supported");
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("services", services.keySet())
.add("channel", channel.authority())
.toString();
}
}
|
