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8217451: ExtendedSocketOptions should encapsulate support for SO_FLOW_SLA

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Reviewed-by: michaelm, chegar
This commit is contained in:
Alan Bateman 2019-01-22 12:32:19 +00:00
parent 911c7ff446
commit bb1e1c7120
9 changed files with 79 additions and 66 deletions
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46
src/java.base/share/classes/sun/net/ext/ExtendedSocketOptions.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -54,21 +54,53 @@ public abstract class ExtendedSocketOptions {
/** Return the, possibly empty, set of extended socket options available. */
public final Set<SocketOption<?>> options() { return options; }
public static final Set<SocketOption<?>> options(short type) {
return getInstance().options0(type);
/**
* Returns the (possibly empty) set of extended socket options for
* stream-oriented listening sockets.
*/
public static Set<SocketOption<?>> serverSocketOptions() {
return getInstance().options0(SOCK_STREAM, true);
}
private Set<SocketOption<?>> options0(short type) {
Set<SocketOption<?>> extOptions = null;
/**
* Returns the (possibly empty) set of extended socket options for
* stream-oriented connecting sockets.
*/
public static Set<SocketOption<?>> clientSocketOptions() {
return getInstance().options0(SOCK_STREAM, false);
}
/**
* Returns the (possibly empty) set of extended socket options for
* datagram-oriented sockets.
*/
public static Set<SocketOption<?>> datagramSocketOptions() {
return getInstance().options0(SOCK_DGRAM, false);
}
private boolean isDatagramOption(SocketOption<?> option) {
return !option.name().startsWith("TCP_");
}
private boolean isStreamOption(SocketOption<?> option, boolean server) {
if (server && "SO_FLOW_SLA".equals(option.name())) {
return false;
} else {
return !option.name().startsWith("UDP_");
}
}
private Set<SocketOption<?>> options0(short type, boolean server) {
Set<SocketOption<?>> extOptions;
switch (type) {
case SOCK_DGRAM:
extOptions = options.stream()
.filter((option) -> !option.name().startsWith("TCP_"))
.filter(option -> isDatagramOption(option))
.collect(Collectors.toUnmodifiableSet());
break;
case SOCK_STREAM:
extOptions = options.stream()
.filter((option) -> !option.name().startsWith("UDP_"))
.filter(option -> isStreamOption(option, server))
.collect(Collectors.toUnmodifiableSet());
break;
default: