[fix] docker 파일에 테스트코드 추가

Dockerfile

@@ -10,6 +10,6 @@ RUN apt-get -qq update\
 
 COPY . /usr/src/irc_server/
 
-RUN chmod +x start.sh
+RUN make re
 
-CMD [ "./start.sh" ]
+CMD [ "./ircserv", "3000", "a" ]

README.md

@@ -2,14 +2,47 @@
 IRC Webserver based RFC1459
 
 
-### docker 접속 방법
+## docker 명령어 정리
+### docker image build
 ```bash
 docker build --rm -t irc_server .
-docker run -p 3000:3000 irc_server
 ```
+
+### docker image run
+```bash
+docker run -d -p 3000:3000 irc_server
+```
+d를 붙이면 컨테이너를 백그라운드로 실행한다.
+
+
+### docker container stop
+```bash
+docker stop $(container name)
+```
+
+### docker container restart
+```bash
+docker restart $(container name)
+```
+
 ### docker 실행중인거 삭제 방법
 ```bash
 docker rm -f $(docker ps -qa)
 ```
 
-`docker ps -qa`는 현재 실행하는 모든 컨테이너의 id를 출력
+`docker ps -qa`는 현재 실행하는 모든 컨테이너의 id를 출력
+
+### docker image 전체 삭제
+```bash
+docker rmi -f $(docker ps -qa)
+```
+
+### docker dangling image 전체 삭제 (none 뜨는 이미지)
+```bash
+docker image prune
+```
+
+### docker image 확인
+```bash
+docker images
+```

src/main.cpp

@@ -1,11 +1,25 @@
 #include <iostream>
 #include <cstdlib>
 #include <cstring>
+#include <sstream>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h> // inet_ntoa
 
-int main(void){
+int main(int ac, char **av){
+    if (ac != 3) {
+        std::cerr << "Invalid argument, need 2 arguments" << "\n";
+        std::cerr << "1st: Port number, 2nd: password" << "\n";
+        exit(1);
+    }
+
+    std::istringstream iss(av[1]);
+    int PORT;
+    iss >> std::noskipws >> PORT;
+    if (!iss.eof() || iss.fail() || PORT <= 0 || PORT > 65535){
+        std::cerr << "error!\n";
+        exit(1);
+    }
     /*
     //SECTION
     domain - AF_INET = ipv4, 
@@ -28,7 +42,7 @@ int main(void){
     // NOTE - INADDR_ANY 자신의 모든 랜카드로 ip를 받을 수 있음.
     server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
     // NOTE - Server ip의 PORT번호 지정
-    server_addr.sin_port = htons(3000);
+    server_addr.sin_port = htons(PORT);
 
     // NOTE - socket과 ip를 연경하는 작업
     int binded = bind(server_socket, (struct sockaddr *)&server_addr, sizeof(server_addr));
@@ -42,6 +56,8 @@ int main(void){
     if (binded != 0) {
         std::cerr << "bind error!" << "\n";
         exit(1);
+    } else {
+        std::cout << "irc server is running on port: " << PORT << "\n";
     }
 
     while(1) {
@@ -52,10 +68,16 @@ int main(void){
             std::cerr << "get client socket error!" << "\n";
             exit(1);
         }
-
+        std::string client_ip = std::string(inet_ntoa(client_addr.sin_addr));
+        int client_port = ntohs(client_addr.sin_port);
+        std::cout << "client " << client_ip << ":" << client_port << " conneted\n" << "\n";
         while(1){
             char buffer[1024] = { 0, };
-            recv(client_socket, buffer, sizeof(buffer), 0);
+            ssize_t recv_byte = recv(client_socket, buffer, sizeof(buffer), 0);
+            if (recv_byte == 0) {
+                std::cout << "client " << client_ip << ":" << client_port << " is leaved" << "\n";
+                break;
+            }
             std::cout << "received! : " << buffer << "\n";
 
             std::string msg = buffer;