有3个用户通过socket登录到了服务端,通过mysql记录下了三个用户的IP与端口分别为:
A: 192.168.1.100:13564 B:192.168.1.100:13565 C:192.168.1.100:13566现在我想在客户A发一个指今(包含客户B的端口),服务端接受分析后从数据库取出客户B对应的地址发个TEST字符给B我在服务端加入如下代码,出现错误,
PHP Warning: socket_connect(): unable to connect [0]: 提供了一个无效的参数。
$conn = socket_connect ($socket, '192.168.1.100', 13565);
$buffer = "ok";
$command = socket_sendto($socket,$buffer,strlen($buffer),0,'192.168.1.100','192.168.1.100');
可以在服务端用socket_sendto吗?这个怎么实现啊?
服务端:$addr = "192.168.1.121";
$port = 1338;$remoteIP = "";
$remotePort = "";$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if($socket < 0) {
echo "Socket create:".$socket_strerror($socket)."\n";
exit;
}
if ( ($ret = socket_bind($socket, $addr, $port)) < 0 ) {
echo "socket bind:".socket_strerror()."\n";
exit;
}
if ( ($ret = socket_listen($socket, 5)) < 0 ) {
echo "socket listen:".socket_strerror()."\n";
exit;
}socket_set_nonblock($socket);echo "Wainting for a connection:\n";$clients = array($socket);
while(true) {
$read = $clients;
if(socket_select($read, $writes=NULL, $execs=NULL, 3) < 1){
//echo ".";
continue;
} if(in_array($socket,$read)) {
$clients[] = $newsock = socket_accept($socket);
socket_set_nonblock($newsock);
socket_getpeername($newsock,&$remoteIP,&$remotePort);
$key = array_search($socket,$read);
unset($read[$key]);
$msg = "Server: $addr\r\n".
"Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n";
echo $remoteIP.":".$remotePort." conected in.\r\n";
socket_write($newsock,$msg);
} foreach($read as $read_sock) {
$data = @socket_read($read_sock,1024,PHP_BINARY_READ);
if($data == false) {
$key = array_search($read_sock,$clients);
print_r($clients[$key]);
unset($clients[$key]);
socket_close($read_sock);
echo "Client disconnected.\n";
continue;
}
$command = strtoupper ($data);
switch ($command)
{
case "LIST":
$writer = print_r($clients,1);
break;
case "HELLO":
$writer = "Hello Everybody!";
break;
case "QUIT":
$writer = "Bye-Bye";
break;
case "SLEEP":
sleep(30);
$writer = "sleeped 10 seconds!";
break;
case "HELP":
$writer = "HELLO\tQUIT\tHELP";
break;
default:
$writer = "Error Command!\r\nType help for help message!";
} socket_write($read_sock, $writer);
//exit;
}
}
socket_close($socket);
客户端:// Client
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);
$ip = "192.168.1.121"; // IP 地址
$port = 1338; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "Success to connection![".$ip.":".$port."]\n";
else
echo "socket_connect() failed:".socket_strerror ($conn)."\n";
echo socket_read ($socket, 1024);
$stdin = fopen ('php://stdin', 'r');
while (true)
{
$command = trim (fgets ($stdin, 1024));
socket_write ($socket, $command, strlen ($command));
$msg = trim (socket_read ($socket, 1024));
echo $msg."\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
A: 192.168.1.100:13564 B:192.168.1.100:13565 C:192.168.1.100:13566现在我想在客户A发一个指今(包含客户B的端口),服务端接受分析后从数据库取出客户B对应的地址发个TEST字符给B我在服务端加入如下代码,出现错误,
PHP Warning: socket_connect(): unable to connect [0]: 提供了一个无效的参数。
$conn = socket_connect ($socket, '192.168.1.100', 13565);
$buffer = "ok";
$command = socket_sendto($socket,$buffer,strlen($buffer),0,'192.168.1.100','192.168.1.100');
可以在服务端用socket_sendto吗?这个怎么实现啊?
服务端:$addr = "192.168.1.121";
$port = 1338;$remoteIP = "";
$remotePort = "";$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if($socket < 0) {
echo "Socket create:".$socket_strerror($socket)."\n";
exit;
}
if ( ($ret = socket_bind($socket, $addr, $port)) < 0 ) {
echo "socket bind:".socket_strerror()."\n";
exit;
}
if ( ($ret = socket_listen($socket, 5)) < 0 ) {
echo "socket listen:".socket_strerror()."\n";
exit;
}socket_set_nonblock($socket);echo "Wainting for a connection:\n";$clients = array($socket);
while(true) {
$read = $clients;
if(socket_select($read, $writes=NULL, $execs=NULL, 3) < 1){
//echo ".";
continue;
} if(in_array($socket,$read)) {
$clients[] = $newsock = socket_accept($socket);
socket_set_nonblock($newsock);
socket_getpeername($newsock,&$remoteIP,&$remotePort);
$key = array_search($socket,$read);
unset($read[$key]);
$msg = "Server: $addr\r\n".
"Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n";
echo $remoteIP.":".$remotePort." conected in.\r\n";
socket_write($newsock,$msg);
} foreach($read as $read_sock) {
$data = @socket_read($read_sock,1024,PHP_BINARY_READ);
if($data == false) {
$key = array_search($read_sock,$clients);
print_r($clients[$key]);
unset($clients[$key]);
socket_close($read_sock);
echo "Client disconnected.\n";
continue;
}
$command = strtoupper ($data);
switch ($command)
{
case "LIST":
$writer = print_r($clients,1);
break;
case "HELLO":
$writer = "Hello Everybody!";
break;
case "QUIT":
$writer = "Bye-Bye";
break;
case "SLEEP":
sleep(30);
$writer = "sleeped 10 seconds!";
break;
case "HELP":
$writer = "HELLO\tQUIT\tHELP";
break;
default:
$writer = "Error Command!\r\nType help for help message!";
} socket_write($read_sock, $writer);
//exit;
}
}
socket_close($socket);
客户端:// Client
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);
$ip = "192.168.1.121"; // IP 地址
$port = 1338; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "Success to connection![".$ip.":".$port."]\n";
else
echo "socket_connect() failed:".socket_strerror ($conn)."\n";
echo socket_read ($socket, 1024);
$stdin = fopen ('php://stdin', 'r');
while (true)
{
$command = trim (fgets ($stdin, 1024));
socket_write ($socket, $command, strlen ($command));
$msg = trim (socket_read ($socket, 1024));
echo $msg."\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
2,借助epoll+mysql线程池+状态机,做task dispatch-response的异步架构,高性能高扩展。从PHP的角度来讲,1,代码离底层太远了。
2,线程不给力。
public function __construct(){
parent::__construct();
}
public function _action(){
$this->socket();
}
private function socket(){
$remoteIP = "";
$remotePort = "";
$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if ($socket < 0) {
echo "Socket create:".socket_strerror($socket)."\n";
exit;
}
if (($ret = socket_bind($socket, SOCKET_HOST, SOCKET_PORT)) < 0 ) {
echo "socket bind:".socket_strerror()."\n";
exit;
}
if (($ret = socket_listen($socket, 5)) < 0 ) {
echo "socket listen:".socket_strerror()."\n";
exit;
}
socket_set_nonblock($socket);
echo "Wainting for a connection:\n";
$clients = array($socket);
while(true) {
$read = $clients;
if(socket_select($read, $writes=NULL, $execs=NULL, 3) < 1){
//echo ".";
continue;
}
if(in_array($socket,$read)) {
$clients[] = $newsock = socket_accept($socket);
socket_set_nonblock($newsock);
socket_getpeername($newsock,$remoteIP,$remotePort);
$key = array_search($socket,$read);
unset($read[$key]);
$msg = "Server: ".SOCKET_HOST."\r\n".
"Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n";
echo $remoteIP.":".$remotePort." conected in.\r\n";
socket_write($newsock,$msg);
}
foreach($read as $read_sock) {
$data = @socket_read($read_sock,1024,PHP_BINARY_READ);
if($data == false) {
$key = array_search($read_sock,$clients);
print_r($clients[$key]);
unset($clients[$key]);
socket_close($read_sock);
echo "Client disconnected.\n";
continue;
}
//$data为对方传入的数据,1.接收对方数据 (经度,维度),2. 不返回任何值
//$command = $this->handler($data);
if($data){
socket_getpeername($newsock,$remoteIP,$remotePort); $data = 'connect,15950123153,189121321749';
$data = explode(',',$data);
switch ($data[0]){
case 'connect':
$command = $this->handlerConnect($data);
break;
}
}
socket_write($read_sock, $command);
}
}
socket_close($socket);
}
private function handlerConnect($data){
$_user = new UsersModel();
$_user->mobile_number = $data[2];
$object = $_user->showRemote();
$sock = socket_create(AF_INET,SOCK_DGRAM,SOL_UDP);
$msg = "Ping!aaaaa!";
$len = strlen($msg);
$int = socket_sendto($sock, $msg, $len, 0, $object->remote_ip, $object->remote_port);
return $int;
socket_close($sock);
}
}
client.php// Client
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);
$ip = "192.168.1.121"; // IP 地址
$port = 1338; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "Success to connection![".$ip.":".$port."]\n";
else
echo "socket_connect() failed:".socket_strerror ($conn)."\n";
echo socket_read ($socket, 1024);
$stdin = fopen ('php://stdin', 'r');
while (true)
{
$command = trim (fgets ($stdin, 1024));
socket_write ($socket, $command, strlen ($command));
$msg = trim (socket_read ($socket, 1024));
echo $msg."\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
public function __construct(){
parent::__construct();
}
public function _action(){
$this->socket();
}
private function socket(){
$remoteIP = "";
$remotePort = "";
$socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
if ($socket < 0) {
echo "Socket create:".socket_strerror($socket)."\n";
exit;
}
if (($ret = socket_bind($socket, SOCKET_HOST, SOCKET_PORT)) < 0 ) {
echo "socket bind:".socket_strerror()."\n";
exit;
}
if (($ret = socket_listen($socket, 5)) < 0 ) {
echo "socket listen:".socket_strerror()."\n";
exit;
}
socket_set_nonblock($socket);
echo "Wainting for a connection:\n";
$clients = array($socket);
while(true) {
$read = $clients;
if(socket_select($read, $writes=NULL, $execs=NULL, 3) < 1){
//echo ".";
continue;
}
if(in_array($socket,$read)) {
$clients[] = $newsock = socket_accept($socket);
socket_set_nonblock($newsock);
socket_getpeername($newsock,$remoteIP,$remotePort);
$key = array_search($socket,$read);
unset($read[$key]);
$msg = "Server: ".SOCKET_HOST."\r\n".
"Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n";
echo $remoteIP.":".$remotePort." conected in.\r\n";
socket_write($newsock,$msg);
}
foreach($read as $read_sock) {
$data = @socket_read($read_sock,1024,PHP_BINARY_READ);
if($data == false) {
$key = array_search($read_sock,$clients);
print_r($clients[$key]);
unset($clients[$key]);
socket_close($read_sock);
echo "Client disconnected.\n";
continue;
}
//$data为对方传入的数据,1.接收对方数据 (经度,维度),2. 不返回任何值
//$command = $this->handler($data);
if($data){
socket_getpeername($newsock,$remoteIP,$remotePort); $data = 'connect,15950123153,189121321749';
$data = explode(',',$data);
switch ($data[0]){
case 'connect':
$command = $this->handlerConnect($data);
break;
}
}
socket_write($read_sock, $command);
}
}
socket_close($socket);
}
private function handlerConnect($data){
$_user = new UsersModel();
$_user->mobile_number = $data[2];
$object = $_user->showRemote();
$sock = socket_create(AF_INET,SOCK_DGRAM,SOL_UDP);
$msg = "Ping!aaaaa!";
$len = strlen($msg);
$int = socket_sendto($sock, $msg, $len, 0, $object->remote_ip, $object->remote_port);
return $int;
socket_close($sock);
}
}
client.php// Client
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);
$ip = "192.168.1.121"; // IP 地址
$port = 1338; // 端口号
$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP); // 创建一个SOCKET
if ($socket)
echo "socket_create() successed!\n";
else
echo "socket_create() failed:".socket_strerror ($socket)."\n";
$conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接
if ($conn)
echo "Success to connection![".$ip.":".$port."]\n";
else
echo "socket_connect() failed:".socket_strerror ($conn)."\n";
echo socket_read ($socket, 1024);
$stdin = fopen ('php://stdin', 'r');
while (true)
{
$command = trim (fgets ($stdin, 1024));
socket_write ($socket, $command, strlen ($command));
$msg = trim (socket_read ($socket, 1024));
echo $msg."\n";
if ($msg == "Bye-Bye")
break;
}
fclose ($stdin);
socket_close ($socket);
如果需要即时通讯,
1)必须要有信息存入位置。2)客户端必须不停的与服务端进行连接。(但是就有问题了,因为A B C ...都不停地进行连接和中断连接,B 可能需要很长的一段时间才可以 返回到他需要的信息. 这样的话还不如直接刷新页面取数据库信息更好。还能减少服务器的消耗。)
如下,如果客户端有输入,会返回一个空格,如果不想将msg的空格输出,该如何操作啊,我直接屏蔽会有错误,
下面的代码请看懂的人帮忙解释一下,THSif(in_array($socket,$read)) {
$clients[] = $newsock = socket_accept($socket);
socket_set_nonblock($newsock);
socket_getpeername($newsock,$remoteIP,$remotePort);
$key = array_search($socket,$read);
unset($read[$key]);
//$msg = "Server: ".SOCKET_HOST."\r\n".
// "Notice:Welcome the user from ".$remoteIP.":".$remotePort.".\r\n";
$msg = ' ';
//echo $remoteIP.":".$remotePort." conected in.\r\n";
socket_write($newsock,$msg);
}
方法作用。 可以查看这篇文章。
方法. 详见socket
方法作用。 可以查看这篇文章。