blob: 4e0507c080adf2a649c333cf02e3cea9fd6b8496 (
plain) (
blame)
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
|
package spark
import java.io.File
import java.net.InetAddress
import org.eclipse.jetty.server.Server
import org.eclipse.jetty.server.bio.SocketConnector
import org.eclipse.jetty.server.handler.DefaultHandler
import org.eclipse.jetty.server.handler.HandlerList
import org.eclipse.jetty.server.handler.ResourceHandler
import org.eclipse.jetty.util.thread.QueuedThreadPool
/**
* Exception type thrown by HttpServer when it is in the wrong state for an operation.
*/
private[spark] class ServerStateException(message: String) extends Exception(message)
/**
* An HTTP server for static content used to allow worker nodes to access JARs added to SparkContext
* as well as classes created by the interpreter when the user types in code. This is just a wrapper
* around a Jetty server.
*/
private[spark] class HttpServer(resourceBase: File) extends Logging {
private var server: Server = null
private var port: Int = -1
def start() {
if (server != null) {
throw new ServerStateException("Server is already started")
} else {
server = new Server()
val connector = new SocketConnector
connector.setMaxIdleTime(60*1000)
connector.setSoLingerTime(-1)
connector.setPort(0)
server.addConnector(connector)
val threadPool = new QueuedThreadPool
threadPool.setDaemon(true)
server.setThreadPool(threadPool)
val resHandler = new ResourceHandler
resHandler.setResourceBase(resourceBase.getAbsolutePath)
val handlerList = new HandlerList
handlerList.setHandlers(Array(resHandler, new DefaultHandler))
server.setHandler(handlerList)
server.start()
port = server.getConnectors()(0).getLocalPort()
}
}
def stop() {
if (server == null) {
throw new ServerStateException("Server is already stopped")
} else {
server.stop()
port = -1
server = null
}
}
/**
* Get the URI of this HTTP server (http://host:port)
*/
def uri: String = {
if (server == null) {
throw new ServerStateException("Server is not started")
} else {
return "http://" + Utils.localIpAddress + ":" + port
}
}
}
|
