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fix #27211: clarify how to use UDP server sockets

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#please review this


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@164812 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Nuno Lopes 2004-07-31 11:48:38 +00:00
parent 496f28b233
commit 90e6fc874c
3 changed files with 28 additions and 13 deletions
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4
reference/stream/constants.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.10 $ -->
<!-- $Revision: 1.11 $ -->
<section id="stream.constants">
&reftitle.constants;
&extension.constants;
@ -95,7 +95,7 @@
<entry><constant>STREAM_SERVER_LISTEN</constant> *</entry>
<entry>Tells a stream created with <function>stream_socket_server</function>
and bound using the <constant>STREAM_SERVER_BIND</constant> flag to start
listening on the socket. Server sockets should always include this flag.
listening on the socket. TCP Server sockets should always include this flag.
</entry>
</row>
<row>

9
reference/stream/functions/stream-socket-accept.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.2 $ -->
<!-- $Revision: 1.3 $ -->
<refentry id="function.stream-socket-accept">
<refnamediv>
<refname>stream_socket_accept</refname>
@ -31,6 +31,13 @@
<simpara>
If the call fails, it will return &false;.
</simpara>
<note>
<para>
This function doens't work with UDP server sockets. Use
<function>stream_socket_recvfrom</function> and
<function>stream_socket_sendto</function> instead.
</para>
</note>
<para>
See also <function>stream_socket_server</function>,
<function>stream_socket_get_name</function>,

28
reference/stream/functions/stream-socket-server.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.15 $ -->
<!-- $Revision: 1.16 $ -->
<refentry id="function.stream-socket-server">
<refnamediv>
<refname>stream_socket_server</refname>
@ -32,6 +32,12 @@
combination of socket creation flags. The default value of flags is
<constant>STREAM_SERVER_BIND</constant> | <constant>STREAM_SERVER_LISTEN</constant>.
</para>
<note>
<para>
For UDP sockets, you must use <constant>STREAM_SERVER_BIND</constant> as
the <parameter>flags</parameter> parameter.
</para>
</note>
<para>
This function only creates a socket, to begin accepting connections
use <function>stream_socket_accept</function>.
@ -59,7 +65,7 @@
</para>
<para>
<example>
<title><function>stream_socket_server</function> Example</title>
<title>Using TCP server sockets</title>
<programlisting role="php">
<![CDATA[
<?php
@ -92,17 +98,19 @@ if (!$socket) {
<programlisting role="php">
<![CDATA[
<?php
$socket = stream_socket_server("udp://0.0.0.0:13", $errno, $errstr, STREAM_SERVER_BIND);
$socket = stream_socket_server("udp://127.0.0.1:1113", $errno, $errstr, STREAM_SERVER_BIND);
if (!$socket) {
echo "ERROR: $errno - $errstr<br />\n";
} else {
while ($conn = stream_socket_accept($socket)) {
fwrite($conn, date("D M j H:i:s Y\r\n"));
fclose($conn);
}
fclose($socket);
die("$errstr ($errno)");
}
do {
$pkt = stream_socket_recvfrom($socket, 1, 0, $peer);
echo "$peer\n";
stream_socket_sendto($socket, date("D M j H:i:s Y\r\n"), 0, $peer);
} while ($pkt !== false);
?>
]]>
</programlisting>
</example>