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socket.h

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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#ifndef INSPIRCD_SOCKET_H
#define INSPIRCD_SOCKET_H

#ifndef WIN32

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

#else

#include "inspircd_win32wrapper.h"

#endif

#include <cerrno>
#include "socketengine.h"

/* Contains irc-specific definitions */
namespace irc
{
        namespace sockets
        {

        /* macros to the relevant system address description structs */
#ifdef IPV6

                typedef struct sockaddr_in6 insp_sockaddr;
                typedef struct in6_addr     insp_inaddr;
#define AF_FAMILY AF_INET6
#define PF_PROTOCOL PF_INET6

#else

                typedef struct sockaddr_in  insp_sockaddr;
                typedef struct in_addr      insp_inaddr;
#define AF_FAMILY AF_INET
#define PF_PROTOCOL PF_INET

#endif

                CoreExport bool MatchCIDRBits(const unsigned char* address, const unsigned char* mask, unsigned int mask_bits);

                CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask);

                CoreExport bool MatchCIDR(const std::string &address, const std::string &cidr_mask, bool match_with_username);

                CoreExport const char* insp_ntoa(insp_inaddr n);

                CoreExport int insp_aton(const char* a, insp_inaddr* n);

                CoreExport int OpenTCPSocket(char* addr, int socktype = SOCK_STREAM);
        }
}

class CoreExport ListenSocket : public EventHandler
{
 protected:
        InspIRCd* ServerInstance;
        std::string desc;
        int family;
        std::string bind_addr;
        int bind_port;

        static sockaddr *sock_us;

        static sockaddr *client;

        static sockaddr *raddr;

        static unsigned int socketcount;

 public:
        ListenSocket(InspIRCd* Instance, int port, char* addr);
        void HandleEvent(EventType et, int errornum = 0);
        ~ListenSocket();
        void SetDescription(const std::string &description)
        {
                desc = description;
        }
        const std::string& GetDescription()
        {
                return desc;
        }
        int GetPort()
        {
                return bind_port;
        }
        std::string &GetIP()
        {
                return bind_addr;
        }
};

#endif