Socket Client

SocketClient.cpp

CMyClient::CMyClient(const char* pIP, unsigned int port)
{
  m_Socket = INVALID_SOCKET;
	_snprintf_s(this->m_IP,IP_SIZE,_TRUNCATE,pIP);
	this->InitSockAddrIn();
}


void CMyClient::InitSockAddrIn()
{
	this->m_SockAddrIn.sin_family = AF_INET; 
		
	this->m_SockAddrIn.sin_addr.s_addr = inet_addr(this->m_IP); 
	
	this->m_SockAddrIn.sin_port = htons(this->m_Port);
}


bool CMyClient::Connect()
{
	this->m_Socket = socket(AF_INET, SOCK_STREAM, 0);

	if(m_Socket == INVALID_SOCKET)
	{
		std::cout << "Connect: Failed to create socket" << std::endl;
		return false;
	}
	
	if(!ConnectSocket())
	{
		this->Close();
		return false;
	}

	//TODO criar receiver e/ou sender
		
	return true;
}


bool CMyClient::ConnectSocket()
{
	char error_msg[200];
		
	for(int i=0; i<m_MaxRetries; i++)
	{
		if(i != 0)
			Sleep(10000);

		std::cout << "[Destination] Connecting..." << std::endl;
			
		if(connect(m_Socket,(sockaddr*) &this->m_SockAddrIn,sizeof(this->m_SockAddrIn)) != SOCKET_ERROR)
		{
			std::cout << "Socket connected" << std::endl;
				
			return true;
		}

		std::cout << "Connect: (attempt " << i+1 << " of " << m_MaxRetries << "	Failed to connect socket. Error: " <<  WSAGetLastError() << std::endl;
	}
		
	std::cout << "Connect - maximum connection attempts reached" << std::endl;
	return false;	
}


void Close()
{
	if(this->m_Socket != INVALID_SOCKET)
	{
		if (closesocket(m_Socket) == SOCKET_ERROR)
			std::cout << "Failed to close socket: " << WSAGetLastError() << std::endl;

		this->m_Socket = INVALID_SOCKET;
	}
}

SocketClient.h

#pragma once
#include <winsock2.h>
#include <ws2tcpip.h>
#include <windows.h> 

#define IP_SIZE 30

class SocketClient
{
public:
  SocketClient(const char* pIP, unsigned int port);
  
  ~SocketClient();
  
private:
  SOCKET m_Socket;
  char m_IP[IP_SIZE];
  sockaddr_in m_SockAddrIn;

//--------

  void InitSockAddrIn();

  bool Connect();

  bool ConnectSocket();
  
  void Close();
};