这是我的whois服务器代码。当我在服务器中执行（whois domain1.lk）时，它被回答了2或3分钟并给出了警告 PHP警告：socket_read（）：无法从套接字[104]读取：第97行/home/user1/whoisserver/socket.php中的对等连接重置 PHP警告：socket_write（）：无法写入socket [32]：第117行/home/chamara/whoisserver/socket.php中的管道损坏 无法写输出
<?php
// Creating the DB Connection-------------------------------------------------------------------------------
$mysqli = new mysqli("localhost", "root", "", "db1");
if ($mysqli->connect_errno) {
printf("Connect failed: %s\n", $mysqli->connect_error);
exit();
}
// Creating the Socket Connection---------------------------------------------------------------------------
$address = "localhost";
$port = 43;
set_time_limit(0);
if (false == ($socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP))) {
echo "could not create socket";
}
socket_bind($socket, $address, $port) or die("could not bind socket");
socket_listen($socket);
$clients = array($socket);
while (true) {
$read = array();
$read[] = $socket;
$read1 = array_merge($read, $clients);
if (
socket_select($read1, $write = NULL, $except = NULL, 0) < 1) {
continue;
}
if (in_array($socket, $read1)) {
if (( $client = socket_accept($socket)) === false) {
socket_strerror(socket_last_error($socket));
break;
}
$clients[] = $client;
$key = array_keys($clients, $client);
}
foreach ($clients as $key => $client1) {
if (in_array($client1, $read1)) {
// Getting user input------------------------------------------------------------------------------------------------
$string = 'Enter a number' . "\r\n" . "\r\n";
socket_write($client, $string, strlen($string)) or die("Could not write output\n");
$str = '';
while ($input = socket_read($client, 1024)) {
$str .= $input;
if (strpos($str, "\n") !== false) {
break 1;
}
}
// Check whether a valied domain name or not------------------------------------------------------------------------------------
if (!preg_match('/[\'^£$%&*()}{@#~?><>,|=_+¬-]/', $str)) {
// Split input into two parts------------------------------------------------------------------------------------
$part = explode(".", $str);
$last_part1 = $part[count($part) - 1];
$last_part = trim($last_part1);
if ($last_part != 'lk') {
socket_write($client, "\r\n" . 'This is not a Registered Domain under Registry' . "\n") or die("Could not write output\n");
socket_write($client, "\r\n" . '-------------------------------END------------------------------' . "\n") or die("Could not write output\n");
} else {
$lastBeforePart = $part[count($part) - 2];
if (($lastBeforePart == 'com') || ($lastBeforePart == 'hotel') || ($lastBeforePart == 'edu') || ($lastBeforePart == 'org') || ($lastBeforePart == 'web')) {
$part1 = $part[count($part) - 3];
$part2 = $lastBeforePart . "." . $last_part;
} else {
$part1 = $lastBeforePart;
$part2 = $last_part;
}
socket_write($client, "\r\n" . 'This Service is Provided by the Registry. ') or die("Could not write output\n");
socket_write($client, "\r\n" . 'Visit Domain at www.test.lk') or die("Could not write output\n");
socket_write($client, "\r\n" . 'Contact Us at 123456 ' . "\n") or die("Could not write output\n");
//DB query----------------------------------------------------------------------------------------------------------
$sql = "SELECT DomainCategory.Name "
. "FROM DomainName_Client, DomainNameType, DomainCategory, OrderDomain_Client "
. "WHERE DomainName_Client.Name='$part1' "
. "AND DomainNameType.Name='$part2' "
. "AND DomainName_Client.TypeID=DomainNameType.ID "
. "AND DomainCategory.ID=DomainName_Client.DomainCategoryID "
. "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID";
$sql1 = "SELECT OrderItem_Client.Created,OrderItem_Client.ExpirationDate "
. "FROM DomainName_Client, DomainNameType, OrderDomain_Client, OrderItem_Client "
. "WHERE DomainName_Client.Name='$part1' "
. "AND DomainNameType.Name='$part2'"
. "AND DomainName_Client.TypeID=DomainNameType.ID "
. "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID "
. "AND OrderDomain_Client.OrderItemID = OrderItem_Client.ID ";
$sql2 = "SELECT Customer_Client.FirstName "
. "FROM DomainName_Client, DomainNameType, OrderDomain_Client, OrderItem_Client, Order_Client,Customer_Client "
. "WHERE DomainName_Client.Name='$part1' "
. "AND DomainNameType.Name='$part2' "
. "AND DomainName_Client.TypeID=DomainNameType.ID "
. "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID "
. "AND OrderDomain_Client.OrderItemID=OrderItem_Client.ID "
. "AND Order_Client.ID= OrderItem_Client.OrderID "
. "AND Customer_Client.ID= Order_Client.RegistrantID";
$sql3 = "SELECT Organization_Client.Name "
. "FROM DomainName_Client, DomainNameType, OrderDomain_Client, OrderItem_Client, Order_Client,Organization_Client "
. "WHERE DomainName_Client.Name='$part1' "
. "AND DomainNameType.Name='$part2' "
. "AND DomainName_Client.TypeID=DomainNameType.ID "
. "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID "
. "AND OrderDomain_Client.OrderItemID = OrderItem_Client.ID "
. "AND OrderItem_Client.OrderID= Order_Client.ID "
. "AND Organization_Client.ID= Order_Client.OrganizationID";
$sql4 = "SELECT ResourceRecord_Client.Type, ResourceRecord_Client.Parameter, ResourceRecord_Client.Value "
. "FROM DomainName_Client, DomainNameType, OrderDomain_Client, ResourceRecord_Client "
. "WHERE DomainName_Client.Name='$part1' "
. "AND DomainNameType.Name='$part2' "
. "AND DomainName_Client.TypeID=DomainNameType.ID "
. "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID "
. "AND ResourceRecord_Client.OrderDomainID=OrderDomain_Client.ID ";
$sql5 = "SELECT NameServerRecord_Client.NameServer, NameServerRecord_Client.IPAddress, NameServerRecord_Client.TTL "
. "FROM DomainName_Client, DomainNameType, OrderDomain_Client, NameServerRecord_Client "
. "WHERE DomainName_Client.Name='$part1'"
. "AND DomainNameType.Name='$part2' "
. "AND DomainName_Client.TypeID=DomainNameType.ID " . "AND OrderDomain_Client.DomainNameID=DomainName_Client.ID "
. "AND NameServerRecord_Client.OrderDomainID=OrderDomain_Client.ID";
$sqlNew = "SELECT Name " . "FROM DomainName_Client "
. "WHERE Name='$part1'";
$resultNew = $mysqli->query($sqlNew);
$rowNew = $resultNew->num_rows;
// var_dump($rowNew);
if ($rowNew > 0) {
// Category name-----------------------------------------------------------------------------------------------
$result = $mysqli->query($sql);
$row0 = $result->num_rows;
if ($row0 > 0) {
$row = $result->fetch_array(MYSQLI_ASSOC);
$category = $row['Name'];
socket_write($client, "\r\n" . 'Category : ' . $category . "\n") or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Category : No any Category' . "\n") or die("Could not write output\n");
}
// Date details-----------------------------------------------------------------------------------------------
$result1 = $mysqli->query($sql1);
$row1 = $result1->num_rows;
if ($row1 > 0) {
$row = $result1->fetch_array(MYSQLI_ASSOC);
$created_date = $row['Created'];
$edited_date = $row ['ExpirationDate'];
if ($created_date == '') {
$created_date = 'There is no any created date';
} else {
$created_date = $row['Created'];
}
if ($edited_date == '') {
$edited_date = 'There is no expiration date';
} else {
$edited_date = $row['ExpirationDate'];
}
socket_write($client, "\r\n" . 'Created on : ' . $created_date) or die("Could not write output\n");
socket_write($client, "\r\n" . 'Expires on : ' . $edited_date . "\n") or die("Could not write output\n");
} else {
$created_date = 'There is no any created date';
$edited_date = 'There is no expiration date';
socket_write($client, "\r\n" . 'Created on : ' . $created_date) or die("Could not write output\n");
socket_write($client, "\r\n" . 'Expires on : ' . $edited_date . "\n") or die("Could not write output\n");
}
// company details-----------------------------------------------------------------------------------------------
$result3 = $mysqli->query($sql3);
$row3 = $result3->num_rows;
if ($row3 > 0) {
$row = $result3->fetch_array(MYSQLI_ASSOC);
$company = $row['Name'];
socket_write($client, "\r\n" . 'Company Name : ' . $company) or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Company Name : No any Company Name') or die("Could not write output\n");
}
// User contact details-----------------------------------------------------------------------------------------------
$result2 = $mysqli->query($sql2);
$row4 = $result2->num_rows;
if ($row4 > 0) {
$row = $result2->fetch_array(MYSQLI_ASSOC);
$FirstName = $row['FirstName'];
socket_write($client, "\r\n" . 'Registrant Contact : ' . $FirstName . "\n") or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Registrant Contact : No any Registrant Contact ' . "\n") or die("Could not write output\n");
}
// Resource records-----------------------------------------------------------------------------------------------
$result4 = $mysqli->query($sql4);
$row5 = $result4->num_rows;
if ($row5 > 0) {
socket_write($client, "\r\n" . 'Resource Record Information' . "\n") or die("Could not write output\n");
while ($row = $result4->fetch_assoc()) {
$Type = $row['Type'];
$value = $row['Value'];
$parameter = $row['Parameter'];
if ($Type == '') {
socket_write($client, "\r\n" . 'Type : No any type') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Type : ' . $Type) or die("Could not write output\n");
}
if ($value == '') {
socket_write($client, "\r\n" . 'Value : No any value') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Value : ' . $value) or die("Could not write output\n");
}
if ($parameter == '') {
socket_write($client, "\r\n" . 'Parameter : No any Parameter') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'Parameter : ' . $parameter . "\n") or die("Could not write output\n");
}
}
}
// Name server records-----------------------------------------------------------------------------------------------
$result5 = $mysqli->query($sql5);
$row6 = $result5->num_rows;
if ($row6 > 0) {
socket_write($client, "\r\n" . 'NameServer Record Information' . "\n") or die("Could not write output\n");
while ($row = $result5->fetch_assoc()) {
$ip = $row['IPAddress'];
$ttl = $row ['TTL'];
$nameserver = $row['NameServer'];
if ($nameserver == '') {
socket_write($client, "\r\n" . 'NameServer : No any Name Server') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'NameServer : ' . $nameserver) or die("Could not write output\n");
}
if ($ip == '') {
socket_write($client, "\r\n" . 'IP Address : No any IP Address') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'IP Address : ' . $ip) or die("Could not write output\n");
}
if ($ttl == '') {
socket_write($client, "\r\n" . 'TTL : No any TTL') or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'TTL : ' . $ttl . "\n") or die("Could not write output\n");
}
}
}
socket_write($client, "\r\n" . '-------------------------------END------------------------------' . "\n") or die("Could not write output\n");
} else {
socket_write($client, "\r\n" . 'This is not a Registered Domain under Registry' . "\n") or die("Could not write output\n");
socket_write($client, "\r\n" . '-------------------------------END------------------------------' . "\n") or die("Could not write output\n");
}
}
} else {
socket_write($client, "\r\n" . 'This is not a Registered Domain under Registry' . "\n") or die("Could not write output\n");
socket_write($client, "\r\n" . '-------------------------------END------------------------------' . "\n") or die("Could not write output\n");
}
socket_close($socket);
}
}
}