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4671f8510c
UDP segmentation offload is an optimisation attempt by sending multiple large enough datagrams over UDP which reduces syscalls as by default, they have to be broke down in small UDP packets, it is better if the hardware supports it, other handed down to the software implementation. close GH-18213
27 lines
665 B
PHP
27 lines
665 B
PHP
--TEST--
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UDP_SEGMENT setsockopt(), can't really test is as the kernel support might not be enabled.
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--EXTENSIONS--
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sockets
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--SKIPIF--
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<?php
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if (!defined('UDP_SEGMENT')) { die('skip UDP_SEGMENT is not defined'); }
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?>
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--FILE--
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<?php
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$src = socket_create(AF_UNIX, SOCK_DGRAM, 0);
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try {
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socket_setopt($src, SOL_UDP, UDP_SEGMENT, -1);
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} catch (\ValueError $e) {
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echo $e->getMessage(), PHP_EOL;
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}
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try {
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socket_setopt($src, SOL_UDP, UDP_SEGMENT, 65536);
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} catch (\ValueError $e) {
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echo $e->getMessage(), PHP_EOL;
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}
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?>
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--EXPECT--
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socket_setopt(): Argument #4 ($value) must be of between 0 and 65535
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socket_setopt(): Argument #4 ($value) must be of between 0 and 65535
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