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ip_address.h

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#ifndef header_ip_address
#define header_ip_address


#include <string>

class CL_IPAddress
//: Socket name; container class for an IP address and port.
{
public:
        CL_IPAddress();
        // Constructs an IP address using INADDR_ANY and port 0.

        CL_IPAddress(unsigned int address, unsigned short port);
        // Constructs an IP address using the passed address and port.

        CL_IPAddress(const std::string &hostname, unsigned short port);
        // Construct an IP address using a hostname.

        CL_IPAddress(const CL_IPAddress &copy);
        // Copy constructor.

public:
        unsigned int get_address() const { return ip; }
        // Returns the IP address in network byte order.

        unsigned short get_port() const { return port; }
        // Returns the IP port in host byte order.

        unsigned char &operator[](int i) { return ((unsigned char*) &ip)[i]; }
        // Returns the specified address field.

        const unsigned char &operator[](int i) const { return ((unsigned char*) &ip)[i]; }
        // Returns the specified address field.

public:
        void set_address(unsigned int new_ip) { ip = new_ip; }
        // Set the IP address, in network byte order.

        void set_address(const std::string &hostname);
        // Set the IP address using a hostname.

        void set_port(unsigned short new_port) { port = new_port; }
        // Set the IP port.

        std::string dns_lookup() const;
        // Do a DNS lookup on the IP address.

private:
        unsigned int ip;
        // IP address in network byte order.

        unsigned short port;
        // IP port in host byte order.
};

#endif

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