60 lines
2.6 KiB
PHP
60 lines
2.6 KiB
PHP
--TEST--
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Test the TNIR keyword with enabled and disabled options and the MultiSubnetFailover keyword with true and false options
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--SKIPIF--
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--FILE--
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<?php
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// The way SYN packets are sent from the host is different depending on the combination of the TNIR and MultiSubnetFailover values
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// TNIR Enabled, MSF Disabled: One IP is attempted, followed by all IPs in parallel
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// TNIR Enabled, MSF Enabled: All IPs are attempted in parallel
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// TNIR Disabled, MSF Disabled: All IPs are attempted one after another
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// TNIR Disabled, MSF Enabled: All IPs are attempted in parallel
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// TNIR is enabled by default
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// MultiSubnetFailover is disabled by default
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require_once("MsSetup.inc");
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$GLOBALS['uid'] = $uid;
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$GLOBALS['pwd'] = $pwd;
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$GLOBALS['server'] = $server;
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function test_tnir( $TNIRValue, $MSFValue ) {
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$connectionInfo = ["UID" => $GLOBALS['uid'], "PWD" => $GLOBALS['pwd'], "TransparentNetworkIPResolution" => $TNIRValue, "MultiSubnetFailover" => $MSFValue];
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$MSFValueStr = ($MSFValue) ? 'true' : 'false';
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$start = microtime(true);
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$conn = sqlsrv_connect($GLOBALS['server'], $connectionInfo);
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if ($conn === false) {
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echo "Connection failed with TNIR $TNIRValue and MultiSubnetFailover $MSFValueStr.\n";
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print_r(sqlsrv_errors());
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}
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else {
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echo "Connection successful with TNIR $TNIRValue and MultiSubnetFailover $MSFValueStr.\n";
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$connect_time = round(microtime(true) - $start, 2);
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echo "Time to connect is $connect_time sec.\n\n";
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}
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sqlsrv_close($conn);
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}
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test_tnir("Enabled", false); // case temd (TNIR enabled; MultiSubnetFailover disabled)
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test_tnir("Enabled", true); // case teme
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test_tnir("Disabled", false); // case tdmd
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test_tnir("Disabled", true); // case tdme
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// Interpreting output
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// If the first resolved IP address can be connected, then the time to connect for all these cases is similar
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// else if the second resolved IP address can be connected, then temd ~= tdmd > teme ~= tdme
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// else tdmd > temd > teme ~= tdme
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// note: the first test takes a bit longer since time is needed for the DNS to resolve the IP addresses of the server host name
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?>
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--EXPECTREGEX--
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Connection successful with TNIR Enabled and MultiSubnetFailover false\.
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Time to connect is [0-9]+.?[0-9]* sec\.
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Connection successful with TNIR Enabled and MultiSubnetFailover true\.
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Time to connect is [0-9]+.?[0-9]* sec\.
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Connection successful with TNIR Disabled and MultiSubnetFailover false\.
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Time to connect is [0-9]+.?[0-9]* sec\.
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Connection successful with TNIR Disabled and MultiSubnetFailover true\.
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Time to connect is [0-9]+.?[0-9]* sec\.
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