FlowsWebResource.java
4 KB
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
/*
* Copyright 2014 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.rest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onlab.util.ItemNotFoundException;
import org.onosproject.codec.impl.FlowEntryCodec;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.flow.FlowEntry;
import org.onosproject.net.flow.FlowRuleService;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* REST resource for interacting with the inventory of flows.
*/
@Path("flows")
public class FlowsWebResource extends AbstractWebResource {
public static final String DEVICE_NOT_FOUND = "Device is not found";
final FlowRuleService service = get(FlowRuleService.class);
final ObjectNode root = mapper().createObjectNode();
final ArrayNode flowsNode = root.putArray("flows");
final FlowEntryCodec flowEntryCodec = new FlowEntryCodec();
/**
* Gets an array containing all the intents in the system.
*
* @return array of all the intents in the system
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getFlows() {
final Iterable<Device> devices = get(DeviceService.class).getDevices();
for (final Device device : devices) {
final Iterable<FlowEntry> deviceEntries = service.getFlowEntries(device.id());
if (deviceEntries != null) {
for (final FlowEntry entry : deviceEntries) {
flowsNode.add(flowEntryCodec.encode(entry, this));
}
}
}
return ok(root).build();
}
/**
* Gets the flows for a device, where the device is specified by Id.
*
* @param deviceId Id of device to look up
* @return flow data as an array
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("{deviceId}")
public Response getFlowByDeviceId(@PathParam("deviceId") String deviceId) {
final Iterable<FlowEntry> deviceEntries =
service.getFlowEntries(DeviceId.deviceId(deviceId));
if (!deviceEntries.iterator().hasNext()) {
throw new ItemNotFoundException(DEVICE_NOT_FOUND);
}
for (final FlowEntry entry : deviceEntries) {
flowsNode.add(flowEntryCodec.encode(entry, this));
}
return ok(root).build();
}
/**
* Gets the flows for a device, where the device is specified by Id.
*
* @param deviceId Id of device to look up
* @param flowId Id of flow to look up
* @return flow data as an array
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("{deviceId}/{flowId}")
public Response getFlowByDeviceIdAndFlowId(@PathParam("deviceId") String deviceId,
@PathParam("flowId") long flowId) {
final Iterable<FlowEntry> deviceEntries =
service.getFlowEntries(DeviceId.deviceId(deviceId));
if (!deviceEntries.iterator().hasNext()) {
throw new ItemNotFoundException(DEVICE_NOT_FOUND);
}
for (final FlowEntry entry : deviceEntries) {
if (entry.id().value() == flowId) {
flowsNode.add(flowEntryCodec.encode(entry, this));
}
}
return ok(root).build();
}
}