C++socket Network programming (Cross-platform) practical HTTP Server (3)

Encapsulate the TCP class

Encapsulate the tcp class, and the steps can be simplified

Put the code class name directly: XTCP

Xtcp.h

# ifndef _ XTCP_H_#define _ XTCP_H_#include # include class XTCP {public:XTCP (); virtual ~ XTCP (); public:int CreateSocket (); / create socket estoppel socketbool Bind (unsigned short port); / / bind port XTCP Accept (); / / return an object void Close (); / / turn off active int Recv (char * buf, int bufsize); / / receive int Send (const char * buf, int sendsize); / / send int m_sock = 0scape unsigned short m_port = 0 Std::string ip;}; # endif / / _ XTCP_H_

Xtcp.cpp

# include "XTCP.h" # ifdef WIN32#include # define socklen_t int#else#include # define closesocket close#include # endifXTCP::XTCP () {# ifdef WIN32static bool first = true; / / guarantee to enter if (first) {first = false;WSADATA ws;WSAStartup (MAKEWORD (2,2), & ws);} # endif} XTCP::~XTCP () {} int XTCP::CreateSocket () {m_sock = socket (AF_INET, SOCK_STREAM, 0) If (m_sock = =-1) {printf ("create socket failed!\ n");} return masked socks;} bool XTCP::Bind (unsigned short port) {sockaddr_in sa;sa.sin_family = AF_INET;sa.sin_port = htons (port); sa.sin_addr.s_addr = htonl (0); if (bind (m_sock, (sockaddr*) & sa, sizeof (sa)) {printf ("bind port err\ n"); / / binding succeeded return false } / / listen on listen (m_sock, 10); / / failed to bind return true;} void XTCP::Close () {if (m_sock)