간단한 소켓 자바 클라이언트와 PHP cli 기반 소켓 에코 서버를 만듭니다.
그러나 클라이언트가 서버로부터 반향을 얻지는 않습니다.
는 코드 ... Theres는PHP 소켓 서버에서 응답을 얻을 수 없습니다
[CLIENT_CLASS (JAVA)]
import java.net.*;
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;
public class SocketManager
{
public static void main(String args[])
{
int count = 0;
Socket socket = null;
System.out.println("[TO 8175] Connecting to " + "clashofages.ru" + ":" + 8175 + "...");
while (socket == null) {
if (count > 10) {
System.out.println("[TO 8175] Can't connect to server...");
return 1;
}
socket = connect("clashofages.ru", 8175);
count++;
}
System.out.println("[TO 8175] Successfuly connected!");
DataInputStream in = getInput(socket);
if (in == null) {
return 2;
}
DataOutputStream out = getOutput(socket);
if (out == null) {
return 3;
}
BufferedReader keyboard = new BufferedReader(new InputStreamReader(System.in));
String line = null;
while (true) {
System.out.println("[TO 8175] Type in message for server.");
try {
line = keyboard.readLine();
} catch (IOException ex) {
Logger.getLogger(SocketManager.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println("[TO 8175] Sending message to server...");
int writeres = write(out, line);
if (writeres != 2) {
return 4 + writeres;
}
System.out.println("[TO 8175] Message sent successfuly!");
if (line.equals("exit")) {
System.out.println("[TO 8175] Exiting...");
return 0;
}
line = read(in);
if (line == null) {
return 6;
}
System.out.println("[TO 8175] Server: " + line);
}
}
public static Socket connect(String adress, int port)
{
Socket socket = null;
InetAddress ipAddress = null;
try {
ipAddress = InetAddress.getByName(adress);
} catch (UnknownHostException ex) {
System.out.println("[SOCKET_ERROR] Can't convert " + adress + " to InetAdress object");
return socket;
}
try {
socket = new Socket(ipAddress, port);
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't connect to " + adress + ":" + port);
return null;
}
return socket;
}
public static DataInputStream getInput(Socket socket)
{
InputStream sin = null;
try {
sin = socket.getInputStream();
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't get socket's input stream");
return null;
}
return new DataInputStream(sin);
}
public static DataOutputStream getOutput(Socket socket)
{
OutputStream sout = null;
try {
sout = socket.getOutputStream();
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't get socket's output stream");
return null;
}
return new DataOutputStream(sout);
}
public static int write(DataOutputStream out, String string)
{
try {
out.writeUTF(string);
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't write to output stream");
return 0;
}
try {
out.flush();
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't flush output stream");
return 1;
}
return 2;
}
public static String read(DataInputStream in)
{
try {
return in.readUTF();
} catch (IOException ex) {
System.out.println("[SOCKET_ERROR] Can't read input stream");
return null;
}
}
[SERVER_CLI_CLASS (PHP)]
#!/usr/bin/php
<?php
error_reporting(E_ALL);
set_time_limit(0);
ob_implicit_flush();
$address = '0.0.0.0';
$port = 8175;
if (($sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP)) === false) {
echo "[SERVER] socket_create() failed: ".socket_strerror(socket_last_error())."\n";
}
if (socket_bind($sock, $address, $port) === false) {
echo "[SERVER] socket_bind() failed: ".socket_strerror(socket_last_error($sock))."\n";
}
if (socket_listen($sock, 5) === false) {
echo "[SERVER] socket_listen() failed: ".socket_strerror(socket_last_error($sock))."\n";
}
echo "[SERVER] Start listening ".$address.":".$port."\n";
do {
if (($msgsock = socket_accept($sock)) === false) {
echo "[SERVER] socket_accept() failed: reason: ".socket_strerror(socket_last_error($sock))."\n";
break;
}
echo "[SERVER] Client connected!\n";
$msg = "[SERVER] Welcome!\n";
socket_write($msgsock, $msg, strlen($msg));
do {
if (false === ($buf = socket_read($msgsock, 2048, PHP_NORMAL_READ))) {
echo "[SERVER] socket_read() failed: ".socket_strerror(socket_last_error($msgsock))."\n";
break 2;
}
if (!$buf = trim($buf)) {
continue;
}
if ($buf == 'quit') {
break;
}
$talkback = "[SERVER] You said '$buf'.\n";
socket_write($msgsock, $talkback, strlen($talkback));
echo "[CLIENT] $buf\n";
} while (true);
socket_close($msgsock);
} while (true);
socket_close($sock);
?>
서버 출력 :
[SERVER] Start listening 0.0.0.0:8175
[SERVER] Client connected!
클라이언트 출력 :
[TO 8175] Connecting to clashofages.ru:8175...
[TO 8175] Successfuly connected!
[TO 8175] Type in message for server.
Hi!
[TO 8175] Sending message to server...
[TO 8175] Message sent successfuly!
어떤 생각입니까, 형제?
P. PHP가 클라이언트에게 쓰려고 할 때 문제가 발생한다고 생각합니다 ...
P.P.S. 너 스스로해볼 수있어. 서버 http://www.php.net/manual/en/function.socket-read.php에서 .. 지금
이제 서버에 '[CLIENT] hi'가 표시됩니다. 하지만 여전히 클라이언트에서 응답을받을 수 없습니다! – RussianVodka
그리고'[SERVER] Welcome'는 클라이언트 로그에 나타나지 않습니다 ... 그래서 서버 측 쓰거나 클라이언트 측에서 UTF로 읽는 데 문제가 있습니다. – RussianVodka
다음과 같이 BufferedReader를 사용하여 DataInputStream을 다시 구현해보십시오. new BufferedReader (new InputStreamReader (socket.getInputStream())) readLine 메서드를 사용하십시오 – Brierson