hostlookup.h

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#ifndef _hostlookup_h_
#define _hostlookup_h_

#include "bool.h"

#ifdef WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#ifdef _MSC_VER
// This isn't defined in Microsoft's ws2tcpip.h, but is defined in the mingw32
// equivalent.
#define IN6_ARE_ADDR_EQUAL  IN6_ADDR_EQUAL
#endif
#else
#include <netinet/in.h>
#endif

#define MAX_HOST_LEN  64

struct INetAddr_t {
    union {
        struct in_addr  ipv4;
        struct in6_addr ipv6;
    };
    int family;
};

typedef struct INetAddr_t INetAddr;

struct SocketAddr_t {
    union {
        struct sockaddr_in  ipv4;
        struct sockaddr_in6 ipv6;
        struct sockaddr addr;
    };
    socklen_t length;
};

typedef struct SocketAddr_t SocketAddr;

extern SocketAddr outgoingAddr;

#define EqualAddresses(sa1, sa2) \
    (((sa1)->addr.sa_family == (sa2)->addr.sa_family) &&               \
    ((((sa2)->addr.sa_family == AF_INET)                               \
    && ((sa2)->ipv4.sin_addr.s_addr == (sa1)->ipv4.sin_addr.s_addr))   \
    || (((sa2)->addr.sa_family == AF_INET6) &&                         \
    IN6_ARE_ADDR_EQUAL(&((sa2)->ipv6.sin6_addr),                       \
    &((sa1)->ipv6.sin6_addr)))))

extern char localhostName[MAX_HOST_LEN];

extern char localhostAddrStr[INET6_ADDRSTRLEN];

void StartAddrLookup(char *name);

Bool StartStrNameLookup(char *addrstr, char *name);

void StartNameLookup(SocketAddr *addr, char *name);

int LookupResult(char *name, INetAddr *addr);

void DoHostnameLookup(void *);

#ifdef WIN32

int inet_pton(int fam, char *straddr, void *addr);
#endif

#endif

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