[C/C++] socket-verbindung will nicht mehr in klasse

#ifndef __SOCKET_H__
#define __SOCKET_H__

#ifdef __DEBUG__
 #include <iostream>
#endif

#include <netdb.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>


#define SOCKETE_OK 0x0
#define SOCKETE_PREPARE 0x1
#define SOCKETE_NOT_READY 0x2
#define SOCKETE_CONNECT 0x3
#define SOCKETE_SEND 0x4
#define SOCKETE_RECV 0x5

class CSocket
{
public:
 CSocket();
 ~CSocket();

 virtual bool connect(char* address, ushort port);
 virtual bool quit();

 bool sendbuffer(char* buf, size_t length);
 bool recvbuffer(char* buffer, size_t length);

 int getlasterror() {return m_lasterror;};
protected:
 int m_socket;
 int m_lasterror;
private:
 bool prepare();
};


#endif // __SOCKET_H__

#include "socket.h"

CSocket::CSocket()
{
 #ifdef __DEBUG__
 std::cout << "#Creating socket in debug mode.\n";
 #endif
 m_lasterror = 0;
 this->prepare();
}

CSocket::~CSocket()
{

}

bool CSocket::prepare()
{
 #ifdef __DEBUG__
 std::cout << "#Prepare socket... ";
 #endif
 m_socket = socket(AF_INET, SOCK_STREAM, 0);
 if (m_socket == -1)
 {
 m_lasterror = SOCKETE_PREPARE;
 return false;
 }
 #ifdef __DEBUG__
 std::cout << "done\n";
 #endif
 return true;
}

bool CSocket::connect(char* address, ushort port)
{
 if (m_socket == -1)
 {
 m_lasterror = SOCKETE_NOT_READY;
 return false;
 }

 struct sockaddr_in addr;

 addr.sin_addr.s_addr = inet_addr(address);
 addr.sin_port = htons(port);
 addr.sin_family = AF_INET;

 #ifdef __DEBUG__
 std::cout << "#Connecting to " << address << " on port " << port << "... ";
 #endif

 if (::connect(m_socket, (sockaddr*)&addr, sizeof(addr)) == -1)
 {
 #ifdef __DEBUG__
 std::cout << "\033[31;1mfailed\n";
 std::cout << "\033[0m";
 #endif

 m_lasterror = SOCKETE_CONNECT;
 return false;
 }
 #ifdef __DEBUG__
 std::cout << "done\n";
 #endif
 return true;
}

#include <iostream>
#include "ceolib/socket.h"

int main()
{
 CSocket *s = new CSocket::CSocket;

 if (!s->connect((char*)"www.blub.de", 21))
 {
 printf("connect() failed \n");
 return 0;
 }

 char buffer[50] = "user anonymouse\0";
 if (!s->sendbuffer(buffer, 20))
 {
 std::cout << "sendbuffer() failed: " << s->getlasterror() << std::endl;
 return 0;
 }

 delete s;
 return 0;
}