기본 HTTP 웹서버 구현 – TinyHttpd Server

 아래코드를 컴파일한 후 클래스를 특정 위치에 놓는다. 그리고 사용하지 않는포트(예:1234)를 찾아 포트를 지정하여 다음과 같이 실행한다.

> Java  TinyHttpd   1234

 

브라우저에서 운영되는 호스트명과 지정된 포트(예:1234)를 입력하고 추가로 요청할 html 소스를 입력하여 요청한다.

 

 

 

 

package ch13;   import java.io.BufferedReader; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.net.ServerSocket; import java.net.Socket; import java.net.SocketException; import java.util.concurrent.Executor; import java.util.concurrent.Executors; import java.util.regex.Matcher; import java.util.regex.Pattern;   public class TinyHttpd {        public static void main(String argv[]) throws IOException {               Executor executor = Executors.newFixedThreadPool(3);               ServerSocket ss = new ServerSocket(Integer.parseInt(argv[0]));               while (true)                      executor.execute(new TinyHttpdConnection(ss.accept()));        } }   class TinyHttpdConnection implements Runnable {        Socket client;          TinyHttpdConnection(Socket client) throws SocketException {               this.client = client;        }          public void run() {               try {                      BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream(), "8859_1"));                      OutputStream out = client.getOutputStream();                      PrintWriter pout = new PrintWriter(new OutputStreamWriter(out, "8859_1"), true);                      String request = in.readLine();                      System.out.println("Request: " + request);                        Matcher get = Pattern.compile("GET /?(\\S*).*").matcher(request);                      if (get.matches()) {                            request = get.group(1);                            if (request.endsWith("/") || request.equals(""))                                   request = request + "index.html";                            try {                                   FileInputStream fis = new FileInputStream(request);                                   byte[] data = new byte[64 * 1024];                                   for (int read; (read = fis.read(data)) > -1;)                                          out.write(data, 0, read);                                   out.flush();                            } catch (FileNotFoundException e) {                                   pout.println("404 Object Not Found");                            }                      } else                            pout.println("400 Bad Request");                      client.close();               } catch (IOException e) {                      System.out.println("I/O error " + e);               }        } }

 

 

다음의 소스는TinyHttpd를 개선한 서버코드이다. SocketChannels와 Thread Pool를 이용해 Nonblocking 웹서버를 구성하였다.

 

소스 다운 >>  LargerHttpd.java