오다기리 박의 알고리즘 노트

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 9장 9번 풀이(미완성) 본문

WIN32 API

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 9장 9번 풀이(미완성)

오다기리 박 2018. 1. 9. 22:41

-서버 cpp파일-

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#include <Windows.h>
#include<tchar.h>
#include<string.h>
#include<stdio.h>
#include<math.h>
#include"resource.h"
#include<iostream>
#define WM_ASYNC WM_USER+2
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK DlgFunc1(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
    HWND hwnd;
    MSG msg;
    WNDCLASS WndClass;
 
    hInst = hInstance;
    WndClass.style = CS_HREDRAW | CS_VREDRAW;
    WndClass.lpfnWndProc = WndProc;
    WndClass.cbClsExtra = 0;
    WndClass.cbWndExtra = 0;
    WndClass.hInstance = hInstance;
    WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
    WndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    WndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MENU2);
    WndClass.lpszClassName = _T("Window Class Name");
 
    RegisterClass(&WndClass);
 
    hwnd = CreateWindow(
        _T("Window Class Name"),
        _T("박정호"),
        WS_OVERLAPPEDWINDOW,
        50,
        50,
        1000,
        500,
        NULL,
        NULL,
        hInstance,
        NULL);
 
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return (int)msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HWND hDlg1;
 
    switch (iMsg)
    {
    case WM_CREATE:
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case ID_SERVERDIALOG:
            hDlg1 = CreateDialog(hInst, MAKEINTRESOURCE(IDD_DIALOG1), hwnd, DlgFunc1);
            ShowWindow(hDlg1, SW_SHOW);
            break;
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
 
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}
 
BOOL CALLBACK DlgFunc1(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)    //서버대화상자
{
    static TCHAR str[200],msg[200];
 
    static HWND hList;
    static WSADATA wsadata;
    static SOCKET s, cs;
    static SOCKADDR_IN addr = { 0 }, c_addr;
 
    char buffer[200];
    int  size, msgLen;
 
    switch (iMsg)
    {
    case WM_INITDIALOG:
        hList = GetDlgItem(hDlg, IDC_LIST1);
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {    
        case IDC_SERVERSTART:
            WSAStartup(MAKEWORD(2, 2), &wsadata);            //1.윈속사용시작하기
            s = socket(AF_INET, SOCK_STREAM, 0);            //2.소켓 생성-클라이언트가 접속하기를 기다리는 소켓
            addr.sin_family = AF_INET;
            addr.sin_port = 20;
            addr.sin_addr.s_addr = inet_addr("127.0.0.1");
            bind(s, (LPSOCKADDR)&addr, sizeof(addr));        //3.주소와 소켓 연결하기
            WSAAsyncSelect(s, hDlg, WM_ASYNC, FD_ACCEPT);    //4.소켓s에서 상대방이 접속을 시도하는 이벤트가 발생하면 WM_ASYNC를 hwnd 윈도우에 발생시키위해 설정
            if (listen(s, 5) == -1)                            //5.연결 요구 기다리기
            {
                MessageBox(hDlg, _T("서버접속불가"), _T("서버접속불가"), NULL);
                return 0;
 
            }
            break;
 
        case IDOK:
            GetDlgItemText(hDlg, IDC_EDIT1, str, 200);
            SetDlgItemText(hDlg, IDC_EDIT1, _T(""));
            if (_tcscmp(str, _T("")) == 0)
                break;
            SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)str);
            break;
        case IDCANCEL:
            closesocket(s);
            WSACleanup();
            DestroyWindow(hDlg);
            break;
        }
 
    case WM_ASYNC:                                        //WM_ASYNC메시지 발생시 lParam으로 어떤 이벤트가 발생했는지 구분
        switch (lParam)
        {
        case FD_ACCEPT:                                    //클라이언트가 접속을 시도하면
            size = sizeof(c_addr);                        //클라이언트와 통신하기 위한 소켓cs를 만들어 클라이언트와의 통신을 전담시킨다. 
            cs = accept(s, (LPSOCKADDR)&c_addr, &size);
            WSAAsyncSelect(cs, hDlg, WM_ASYNC, FD_READ);//클라이언트가 메시지를 보낼 때까지 무한정 기다릴 수 없으므로 FD_READ를 WM_ASYNC에 등록
            MessageBox(hDlg, _T("클라이언트접속"), _T("클라이언트접속"), NULL);
            break;
        case FD_READ:                                    //클라이언트가 메시지를 보내오면
            MessageBox(hDlg, _T("클라이언트메시지도착"), _T("클라이언트메시지도착"), NULL);
            msgLen = recv(cs, buffer, 200, 0);
            buffer[msgLen] = NULL;
#ifdef _UNICODE                    //프로젝트의 문자집합이 유니코드로 설정되어있다면
            msgLen = MultiByteToWideChar(CP_ACP, 0, buffer, strlen(buffer), NULL, NULL);
            MultiByteToWideChar(CP_ACP, 0, buffer, strlen(buffer), msg, msgLen);
            msg[msgLen] = NULL;
#else
            strcpy_s(msg,buffer);    //msg는 TCHAR형으로 선언되었기 때문에 문자 집합에 따라 WCHAR나 char로 자동변환된다
#endif // _UNICODE
            SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)msg);
            break;
        default:
            break;
        }
        break;
    case WM_DESTROY:
        closesocket(s);
        WSACleanup();
        DestroyWindow(hDlg);
        break;
    }
 
    return 0;
}
 
cs



-클라이언트 cpp파일-

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#include <Windows.h>
#include<tchar.h>
#include<string.h>
#include<stdio.h>
#include<math.h>
#include"resource.h"
#include<iostream>
#define WM_ASYNC WM_USER+2
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK DlgFunc2(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
    HWND hwnd;
    MSG msg;
    WNDCLASS WndClass;
 
    hInst = hInstance;
    WndClass.style = CS_HREDRAW | CS_VREDRAW;
    WndClass.lpfnWndProc = WndProc;
    WndClass.cbClsExtra = 0;
    WndClass.cbWndExtra = 0;
    WndClass.hInstance = hInstance;
    WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
    WndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
    WndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MENU2);
    WndClass.lpszClassName = _T("Window Class Name");
 
    RegisterClass(&WndClass);
 
    hwnd = CreateWindow(
        _T("Window Class Name"),
        _T("박정호"),
        WS_OVERLAPPEDWINDOW,
        50,
        50,
        1000,
        500,
        NULL,
        NULL,
        hInstance,
        NULL);
 
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return (int)msg.wParam;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HWND hDlg2;
 
    switch (iMsg)
    {
    case WM_CREATE:
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case ID_CLIENTDIALOG:
            hDlg2 = CreateDialog(hInst, MAKEINTRESOURCE(IDD_DIALOG2), hwnd, DlgFunc2);
            ShowWindow(hDlg2, SW_SHOW);
            break;
        }
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
 
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}
 
BOOL CALLBACK DlgFunc2(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)        //클라 대화상자
{
    static TCHAR str[200], msg[200];
 
    static HWND hList;
    static WSADATA wsadata1;
    static SOCKET s1;
    static SOCKADDR_IN addr1 = { 0 };
 
    char buffer[200];
    int  size, msgLen;
 
    switch (iMsg)
    {
    case WM_INITDIALOG:
        hList = GetDlgItem(hDlg, IDC_LIST2);
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDC_SERVERCONNECT:
            WSAStartup(MAKEWORD(2, 2), &wsadata1);                    //1.윈속 사용시작하기
            s1 = socket(AF_INET, SOCK_STREAM, 0);                    //2.소켓 생성하기
            addr1.sin_family = AF_INET;
            addr1.sin_port = 20;
            addr1.sin_addr.s_addr = inet_addr("127.0.0.1");
            WSAAsyncSelect(s1, hDlg, WM_ASYNC, FD_READ);                //서버에서 보낸 데이터를 받아야 하므로 FD_READ 이벤트에 대해 WM_ASYNC윈도우 메시지를 등록
            
            if (connect(s1, (LPSOCKADDR)&addr1, sizeof(addr1)) == -1)    //3.연결 요구하기(접속실패시 종료)
            {
            MessageBox(hDlg, _T("접속실패"), _T("접속실패"), NULL);
            return 0;
            }
            
            break;
        case IDOK2:
            GetDlgItemText(hDlg, IDC_EDIT2, str, 200);
            SetDlgItemText(hDlg, IDC_EDIT2, _T(""));
            if (_tcscmp(str, _T("")) == 0)
                break;
            SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)str);
 
            break;
        case IDCANCEL2:
            closesocket(s1);
            WSACleanup();
            DestroyWindow(hDlg);
            break;
        }
    case WM_ASYNC:                                        //WM_ASYNC메시지 발생시 lParam으로 어떤 이벤트가 발생했는지 구분
        switch (lParam)
        {
        case FD_READ:                                    //서버가 메시지를 보내오면
            msgLen = recv(s1, buffer, 200, 0);
            buffer[msgLen] = NULL;
#ifdef _UNICODE                    //프로젝트의 문자집합이 유니코드로 설정되어있다면
            msgLen = MultiByteToWideChar(CP_ACP, 0, buffer, strlen(buffer), NULL, NULL);
            MultiByteToWideChar(CP_ACP, 0, buffer, strlen(buffer), msg, msgLen);
            msg[msgLen] = NULL;
#else
            strcpy_s(msg, buffer);    //msg는 TCHAR형으로 선언되었기 때문에 문자 집합에 따라 WCHAR나 char로 자동변환된다
#endif // _UNICODE
            SendMessage(hList, LB_ADDSTRING, 0, (LPARAM)msg);
            break;
        default:
            break;
        }
    case WM_DESTROY:
        closesocket(s1);
        WSACleanup();
        DestroyWindow(hDlg);
        break;
    }
 
    return 0;
}
cs


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