시스템 프로그래밍 : 문자셋(char wchar_t TCHAR 아스키코드 유니코드 템플릿 캐릭터)

728x90

SocketError.h

#pragma once
#include<WinSock2.h> //WSAAddressToString,WSAStringToAddress
#include <WS2tcpip.h> //inet_pton,inet_ntop,InetPton,InetNtop
#include<tchar.h>
#include<locale.h>
#include<stdio.h>
#define SERVER_IPPORT L"127.0.0.0:60000"

/*#ifdef UNICODE
	#define ErrorExit wErrorExit
	#define ErrorMsg wErrorMsg
	#define OKMsg wOKMsg 
#else
   #define ErrorExit _ErrorExit
  #define ErrorMsg _ErrorMsg
   #define OKMsg _OKMsg 
#endif*/

void ErrorExit(const TCHAR* str); //program exit
void ErrorMsg(const TCHAR* str); //monitor output
void OKMsg(const TCHAR* str);

//wsa socket error
/*void _ErrorExit(const char* str); //program exit
void _ErrorMsg(const char* str); //monitor output
void _OKMsg(const char* str);

void wErrorExit(const wchar_t* str); //program exit
void wErrorMsg(const wchar_t* str); //monitor output
void wOKMsg(const wchar_t* str);*/


//tcp server module
void InitTCPServer(SOCKET* serverSocket);
void DestroyTCPServer(SOCKET serverSocket);
void ClientAccept(SOCKET serverSocket, SOCKET* clientSocket);
void ClientClose(SOCKET clientSocket);

//tcp client module
void InitTCPClient(SOCKET* clientSocket);
void DestroyTCPClient(SOCKET clientSocket);

//library는 헤더의 제일마지막줄에 붙여야 한다.
#pragma comment(lib,"ws2_32.lib")

SocketError.h

#include "MySocketError.h"
void ErrorExit(const TCHAR* str)
{
	LPVOID lpMsgBuf;
	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
		FORMAT_MESSAGE_ALLOCATE_BUFFER
		, NULL, WSAGetLastError()
		, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT)
		, (TCHAR*)&lpMsgBuf, 0, NULL);
	_tprintf(_T("[%s]%s\n"), str, (TCHAR*)lpMsgBuf);
	LocalFree(lpMsgBuf);
	exit(0);
}
void ErrorMsg(const TCHAR* str)
{
	LPVOID lpMsgBuf;
	FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
		FORMAT_MESSAGE_ALLOCATE_BUFFER
		, NULL, WSAGetLastError()
		, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT)
		, (wchar_t*)&lpMsgBuf, 0, NULL);
	_tprintf(_T("[%s]%s\n"), str, (TCHAR*)lpMsgBuf);
	LocalFree(lpMsgBuf);
}
void OKMsg(const TCHAR* str)
{
	_tprintf(_T("[%s]successfully~~~\n"), str);
}

void InitTCPServer(SOCKET* serverSocket)
{
	int result = -1;
	//WSAStartup
	WSADATA wData = { 0 };
	result = WSAStartup(MAKEWORD(2, 2), &wData);
	if (result) ErrorExit(_T("WSAStartup"));
	else OKMsg(_T("WSAStartup"));
	//socket  - 소켓만들어줌,서버소켓
	//SOCKET serverSocket;
	*serverSocket = socket(AF_INET, SOCK_STREAM, 0);
	if (*serverSocket == INVALID_SOCKET) ErrorExit(_T("socket"));
	else OKMsg(_T("socket"));
	//bind - 소켓에 데이터를 저장하는데(Family,IP,PORT) 묶어준다는표현
	SOCKADDR_IN serverAddress = { 0 };
	//serverAddress.sin_family = AF_INET;
	//serverAddress.sin_port = htons(SERVER_PORT);
	//serverAddress.sin_addr.s_addr = inet_addr(SERVER_IP);
	wchar_t IPPort[30] = { 0 };
	wcscpy_s(IPPort, 30, SERVER_IPPORT);
	int sizeServerAddress = sizeof(serverAddress);
	result = WSAStringToAddressW(IPPort, AF_INET, NULL,
		(SOCKADDR*)&serverAddress, &sizeServerAddress);
	if (result == SOCKET_ERROR) ErrorMsg(_T("WSAStringToAddressW"));
	else OKMsg(_T("WSAStringToAddressW"));

	result = bind(*serverSocket, (SOCKADDR*)&serverAddress, sizeof(serverAddress));
	if (result == SOCKET_ERROR) ErrorMsg(_T("bind"));
	else OKMsg(_T("bind"));
	//listen - 알려주는겁니다. 
	result = listen(*serverSocket, 5);
	if (result == SOCKET_ERROR) ErrorMsg(_T("listen"));
	else OKMsg(_T("listen"));
}
void DestroyTCPServer(SOCKET serverSocket)
{
	int result = -1;
	result = closesocket(serverSocket);
	if (result == SOCKET_ERROR) ErrorMsg(_T("closesocket-server"));
	else OKMsg(_T("closesocket-server"));
	//WSACleanup
	result = WSACleanup();
	if (result == SOCKET_ERROR) ErrorMsg(_T("WSACleanup"));
	else OKMsg(_T("WSACleanup"));

}
void ClientAccept(SOCKET serverSocket, SOCKET* clientSocket)
{
	int result = -1;
	SOCKADDR_IN clientAddress = { 0 };
	int sizeClientAddress = sizeof(clientAddress);
	//SOCKET clientSocket;
	*clientSocket = accept(serverSocket, (SOCKADDR*)&clientAddress, &sizeClientAddress);
	if (*clientSocket == INVALID_SOCKET) ErrorMsg(_T("accept"));
	else OKMsg(_T("accept"));
	wchar_t clientIPPort[30] = { 0 };
	DWORD sizeClientIPPort = sizeof(clientIPPort);
	result = WSAAddressToStringW((SOCKADDR*)&clientAddress,
		sizeof(clientAddress), NULL, clientIPPort, &sizeClientIPPort);
	if (result == SOCKET_ERROR) ErrorMsg(_T("WSAAddressToStringW"));
	else OKMsg(_T("WSAAddressToStringW"));

	wprintf(L"client(IP:%s,PORT:%d)accepted\n"
		, clientIPPort
		//, inet_ntoa(clientAddress.sin_addr)
		, ntohs(clientAddress.sin_port));
}
void ClientClose(SOCKET clientSocket)
{
	int result = -1;
	result = closesocket(clientSocket);
	if (result == SOCKET_ERROR) ErrorMsg(_T("closesocket-client"));
	else OKMsg(_T("closesocket-client"));

}
void InitTCPClient(SOCKET* clientSocket)
{
	int result = -1;
	//WSAStartup
	WSADATA wData = { 0 };
	result = WSAStartup(MAKEWORD(2, 2), &wData);
	if (!result) OKMsg(_T("WSAStartup"));
	else ErrorExit(_T("WSAStartup"));
	//socket
	*clientSocket = socket(PF_INET, SOCK_STREAM, 0);
	if (*clientSocket == INVALID_SOCKET) ErrorExit(_T("socket"));
	else OKMsg(_T("socket"));
	//connect
	SOCKADDR_IN serverAddress = { 0 };
	wchar_t IPPort[30] = { 0 };
	wcscpy_s(IPPort, 30, SERVER_IPPORT);
	int sizeServerAddress = sizeof(serverAddress);
	result = WSAStringToAddressW(IPPort, AF_INET, NULL,
		(SOCKADDR*)&serverAddress, &sizeServerAddress);
	if (result == SOCKET_ERROR) ErrorMsg(_T("WSAStringToAddressW"));
	else OKMsg(_T("WSAStringToAddressW"));

	result = connect(*clientSocket, (SOCKADDR*)&serverAddress, sizeof(serverAddress));
	if (result == SOCKET_ERROR) ErrorMsg(_T("connect"));
	else OKMsg(_T("connect"));
}
void DestroyTCPClient(SOCKET clientSocket)
{
	int result = closesocket(clientSocket);
	if (result == SOCKET_ERROR) ErrorMsg(_T("closesocket"));
	else OKMsg(_T("closesocket"));
	//WSACleanup
	result = WSACleanup();
	if (result == SOCKET_ERROR) ErrorMsg(_T("WSACleanup"));
	else OKMsg(_T("WSACleanup"));
}

1. main_1바이트 2바이트.cpp

#include <stdio.h>
#include <string.h>
#include <locale.h>
#include <tchar.h>

//int main(int argc,char *argv[])
//int wmain(int argc,wchar_t *argv[])
int _tmain(int argc, TCHAR* argv[])
{
	//1.ascii 입니다.
	/*char a = 'A';
	char string[] = "Hello";
	int count = strlen(string);
	printf("count=%d개입니다.\n", count);
	printf("메모리에는 %dbyte가 잡힙니다.\n", sizeof(string));
	//2. unicode로 바꾸면 
	_wsetlocale(LC_ALL, L"korean");
	wchar_t b = L'A';
	wchar_t stringB[] = L"Hello";
	int countB = wcslen(stringB);
	wprintf(L"count=%d입니다\n", countB);
	wprintf(L"메모리에는 %dbyte가 잡힙니다.\n", sizeof(stringB));*/
	//3.TCHAR
	_tsetlocale(LC_ALL, _T("korean"));
	TCHAR b = _T('A');
	TCHAR stringB[] = _T("Hello");
	int countB = _tcslen(stringB);
	_tprintf(_T("count=%d입니다\n"), countB);
	_tprintf(_T("메모리에는 %dbyte가 잡힙니다.\n"), sizeof(stringB));
	return 0;
}

2. tmain_함수를 만들어보자(strlen같은 함수를)

#include<stdio.h>
#include<string.h>
#ifdef UNICODE
       #define _tMyStrlen wMyStrlen
       #define _tMyStrcpy wMyStrcpy
#else
       #define _tMyStrlen  MyStrlen
        #define _tMyStrcpy MyStrcpy
#endif
//컴파일할때 - 유니코드 변수 wchar_t, L'',L"",wprintf.....
               //  멀티바이트 char, '',"", printf 로 바꿔줍니다.
/*#define MAX 100
#define BUFSIZE 10000
#ifdef UNICODE
          #define TCHAR wchar_t
         #define _tprintf wprintf
          #define _tcslen wcslen
          #define _tsetlocale _wsetlocale
          #define _T(x)           Lx
#else
          #define TCHAR char
           #define _tprintf printf
           #define _tcslen strlen
           #define _tsetlocale setlocale
           #define _T(x)           x
#endif*/
#include<tchar.h>
#include<locale.h>
int MyStrlen(const char* str);
int wMyStrlen(const wchar_t* str);
void MyStrcpy(char* dest, const char* source);
void wMyStrcpy(wchar_t* dest, const wchar_t* source);
int _tmain(void)
{
    _tsetlocale(LC_ALL, _T("korean"));
    int length = -1234;
    length =_tMyStrlen(_T("ABCd한글"));
    _tprintf(_T("%s 문자열은 %d개의 문자로 구성되어있습니다.\n")
        , _T("ABCd한글"), length);
    return 0;
}
int MyStrlen(const char* str)
{
    int count = 0;
    //while(*(str+count))
    //while(*(str+count)!= 0)
    //while(*(str+count)!= '\0')
    while (*(str + count) != NULL)
        count++;
    return count;
}
int wMyStrlen(const wchar_t* str)
{
    int count = 0;
    //while(*(str+count))
    //while(*(str+count)!= 0)
    //while(*(str+count)!= '\0')
    while (*(str + count) != NULL)
        count++;
    return count;
}
void MyStrcpy(char* dest, const char* source){}
void wMyStrcpy(wchar_t* dest, const wchar_t* source){}

728x90

티스토리툴바