WinSocketAPI.h

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#pragma once
 
#include <WinSock2.h>
#include <MSWSock.h>
#include <WS2tcpip.h>
#pragma comment(lib, "ws2_32")
 
#include "CommTypes.h"
 
#ifndef IN
# define IN /* marks input param */
#endif
#ifndef OUT
# define OUT /* marks output param */
#endif
#ifndef INOUT
# define INOUT /* marks input+output param */
#endif
 
// 윈도우 소켓 라이브러리 초기화 (WSAStartUp 호출)
int         InitWindowSocketLib(LPWSADATA);
 
// SOCKET 객체 생성
// - isTCP == true, TCP 프로토콜용 소켓 객체 생성(AF_INET, SOCK_STREAM)
// - isTCP == false, UDP 프로토콜용 소켓 객체 생성(AF_INET, SOCK_DGRAM)
SOCKET      CreateWindowSocket_IPv4(bool isTCP, OUT int* errCode = NULL);
 
/*********************************************************************************
* Client
**********************************************************************************/
// Connect API 인수로 전달할 서버(도착지) 주소 구조체 생성
SOCKADDR_IN CreateDestinationADDR(const char* destIP, uint16 destPort);
SOCKADDR_IN CreateDestinationADDR(IN_ADDR destInAddr, uint16 destPort);
SOCKADDR_IN CreateDestinationADDR_LoopBack(uint16 destPort);
SOCKADDR_IN CreateDestinationADDR_byDomain(WCHAR* destDomain, uint16 destPort);
 
bool ConnectToDestination(const SOCKET& sock, const SOCKADDR_IN& destAddr, OUT int* errCode = NULL);
 
//int           ConnectSocket(SOCKET& sock, SOCKADDR_IN& serverAddr);
//bool      ConnectSocketTry(SOCKET& sock, SOCKADDR_IN& serverAddr);
 
 
/*********************************************************************************
* Server
**********************************************************************************/
SOCKADDR_IN CreateServerADDR(const char* serverIp, uint16 port);
SOCKADDR_IN CreateServerADDR_ANY(uint16 port);          // INADDR_ANY
SOCKADDR_IN CreateServerADDR_LoopBack(uint16 port);     // LoopBack
 
bool        BindSocket(SOCKET& sock, SOCKADDR_IN& serverAddr, OUT int* errCode = NULL);
bool        ListenSocket(SOCKET& sock, int backlog, OUT int* errCode = NULL);
 
// if socket returned == INVALID_SOCKET, 
SOCKET      AcceptSocket(SOCKET& sock, SOCKADDR_IN& clientAddr, OUT int* errCode = NULL);
 
 
// INADDR_IN -> std::string IP 주소
void IN_ADDR_TO_STRING(const IN_ADDR& inAddr, char ipStr[INET_ADDRSTRLEN]);
 
// 도메인 -> IP 주소
bool        DomainAddrToIP(WCHAR* szDomain, IN_ADDR* pAddr);
 
//void      HandleError(const char* cause);