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INT-3984: UDP: OS Selected Server Port

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JIRA: https://jira.spring.io/browse/INT-3894

Allow UDP server port (and sender Ack port) to be selected by the operating system.

Also fix multicast tests to run on all platforms.

Change tests to use OS selected port.
This commit is contained in:
Gary Russell
2015-11-20 11:23:09 -05:00
parent 1cc1b2ef79
commit b4218982da
17 changed files with 396 additions and 200 deletions
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5
src/reference/asciidoc/ip.adoc
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@@ -53,6 +53,9 @@ This enables the receiving side to verify the length of the packet received.
If a receiving system uses a buffer that is too short the contain the packet, the packet can be truncated.
The length header provides a mechanism to detect this.
Starting with _version 4.3_, the `port` can be set to `0`, in which case the Operating System chooses the port; the
chosen port can be discovered by invoking `getPort()` after the adapter is started and `isListening()` returns `true`.
[source,xml]
----
<int-ip:udp-outbound-channel-adapter id="udpOut"
@@ -94,6 +97,8 @@ TIP: When multicast is true, an additional attribute min-acks-for-success specif
For even more reliable networking, TCP can be used.
Starting with _version 4.3_, the `ackPort` can be set to `0`, in which case the Operating System chooses the port.
[source,xml]
----
<int-ip:udp-inbound-channel-adapter id="udpReceiver"