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137 lines
4.1 KiB
PHP
137 lines
4.1 KiB
PHP
--TEST--
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stream_socket_server() SO_REUSEPORT context option test
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--SKIPIF--
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<?php
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if (substr(PHP_OS, 0, 3) == "WIN") {
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die('skip SO_REUSEPORT not available on Windows');
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}
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?>
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--FILE--
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<?php
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// SO_REUSEPORT enabled - should allow multiple servers on same port
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$context1 = stream_context_create(['socket' => ['so_reuseport' => true]]);
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$server1 = stream_socket_server("tcp://127.0.0.1:0", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context1);
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if (!$server1) {
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die('Unable to create server1');
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}
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$addr = stream_socket_get_name($server1, false);
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$port = (int)substr(strrchr($addr, ':'), 1);
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// Establish actual connection on server1
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$client1 = stream_socket_client("tcp://127.0.0.1:$port");
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$accepted1 = stream_socket_accept($server1, 1);
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// Force real TCP connection with data
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fwrite($client1, "test");
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fread($accepted1, 4);
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fwrite($accepted1, "response");
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fread($client1, 8);
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// Try to bind second server to SAME port with SO_REUSEPORT (while server1 still active)
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$context2 = stream_context_create(['socket' => ['so_reuseport' => true]]);
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$server2 = @stream_socket_server("tcp://127.0.0.1:$port", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context2);
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if ($server2) {
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echo "SO_REUSEPORT enabled: Multiple servers succeeded\n";
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// Verify server2 can also accept connections
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$client2 = stream_socket_client("tcp://127.0.0.1:$port");
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$accepted2_on_srv1 = @stream_socket_accept($server1, 0.1);
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$accepted2_on_srv2 = @stream_socket_accept($server2, 0.1);
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if ($accepted2_on_srv1 || $accepted2_on_srv2) {
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echo "SO_REUSEPORT enabled: Connections accepted\n";
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}
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if ($accepted2_on_srv1) fclose($accepted2_on_srv1);
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if ($accepted2_on_srv2) fclose($accepted2_on_srv2);
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if ($client2) fclose($client2);
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fclose($server2);
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} else {
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echo "SO_REUSEPORT enabled: Multiple servers failed\n";
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}
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fclose($accepted1);
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fclose($client1);
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fclose($server1);
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// SO_REUSEPORT disabled (default) - should NOT allow multiple servers
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$server3 = stream_socket_server("tcp://127.0.0.1:0", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN);
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if (!$server3) {
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die('Unable to create server3');
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}
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$addr = stream_socket_get_name($server3, false);
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$port = (int)substr(strrchr($addr, ':'), 1);
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$client3 = stream_socket_client("tcp://127.0.0.1:$port");
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$accepted3 = stream_socket_accept($server3, 1);
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fwrite($client3, "test");
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fread($accepted3, 4);
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fwrite($accepted3, "response");
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fread($client3, 8);
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// Try to bind second server WITHOUT SO_REUSEPORT (while server3 still active)
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$server4 = @stream_socket_server("tcp://127.0.0.1:$port", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN);
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if ($server4) {
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echo "SO_REUSEPORT disabled: Multiple servers succeeded\n";
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fclose($server4);
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} else {
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echo "SO_REUSEPORT disabled: Multiple servers failed\n";
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}
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fclose($accepted3);
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fclose($client3);
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fclose($server3);
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// SO_REUSEPORT explicitly disabled
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$context3 = stream_context_create(['socket' => ['so_reuseport' => false]]);
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$server5 = stream_socket_server("tcp://127.0.0.1:0", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context3);
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if (!$server5) {
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die('Unable to create server5');
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}
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$addr = stream_socket_get_name($server5, false);
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$port = (int)substr(strrchr($addr, ':'), 1);
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$client5 = stream_socket_client("tcp://127.0.0.1:$port");
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$accepted5 = stream_socket_accept($server5, 1);
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fwrite($client5, "test");
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fread($accepted5, 4);
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fwrite($accepted5, "response");
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fread($client5, 8);
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$context4 = stream_context_create(['socket' => ['so_reuseport' => false]]);
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$server6 = @stream_socket_server("tcp://127.0.0.1:$port", $errno, $errstr,
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STREAM_SERVER_BIND | STREAM_SERVER_LISTEN, $context4);
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if ($server6) {
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echo "SO_REUSEPORT explicitly disabled: Multiple servers succeeded\n";
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fclose($server6);
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} else {
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echo "SO_REUSEPORT explicitly disabled: Multiple servers failed\n";
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}
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fclose($accepted5);
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fclose($client5);
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fclose($server5);
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?>
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--EXPECT--
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SO_REUSEPORT enabled: Multiple servers succeeded
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SO_REUSEPORT enabled: Connections accepted
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SO_REUSEPORT disabled: Multiple servers failed
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SO_REUSEPORT explicitly disabled: Multiple servers failed
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