lhnet.h

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// Written by Ashley Rose Hale (LadyHavoc) 2003-06-15 and placed into public domain.
 
#ifndef LHNET_H
#define LHNET_H
 
#include <stddef.h>
#include "com_list.h"
 
typedef enum lhnetaddresstype_e
{
    LHNETADDRESSTYPE_NONE,
    LHNETADDRESSTYPE_LOOP,
    LHNETADDRESSTYPE_INET4,
    LHNETADDRESSTYPE_INET6
}
lhnetaddresstype_t;
 
typedef struct lhnetaddress_s
{
    lhnetaddresstype_t addresstype;
    int port; // used by LHNETADDRESSTYPE_LOOP
    unsigned char storage[256]; // sockaddr_in or sockaddr_in6
}
lhnetaddress_t;
 
int LHNETADDRESS_FromPort(lhnetaddress_t *address, lhnetaddresstype_t addresstype, int port);
int LHNETADDRESS_FromString(lhnetaddress_t *address, const char *string, int defaultport);
int LHNETADDRESS_ToString(const lhnetaddress_t *address, char *string, int stringbuffersize, int includeport);
static inline lhnetaddresstype_t LHNETADDRESS_GetAddressType(const lhnetaddress_t *address)
{
    if (address)
        return address->addresstype;
    else
        return LHNETADDRESSTYPE_NONE;
}
const char *LHNETADDRESS_GetInterfaceName(const lhnetaddress_t *address, char *ifname, size_t ifnamelength);
int LHNETADDRESS_GetPort(const lhnetaddress_t *address);
int LHNETADDRESS_SetPort(lhnetaddress_t *address, int port);
int LHNETADDRESS_Compare(const lhnetaddress_t *address1, const lhnetaddress_t *address2);
 
typedef struct lhnetsocket_s
{
    lhnetaddress_t address;
    int inetsocket;
    llist_t list;
}
lhnetsocket_t;
extern lhnetsocket_t lhnet_socketlist;
 
void LHNET_Init(void);
void LHNET_Shutdown(void);
int LHNET_DefaultDSCP(int dscp); // < 0: query; >= 0: set (returns previous value)
void LHNET_SleepUntilPacket_Microseconds(int microseconds);
lhnetsocket_t *LHNET_OpenSocket_Connectionless(lhnetaddress_t *address);
void LHNET_CloseSocket(lhnetsocket_t *lhnetsocket);
lhnetaddress_t *LHNET_AddressFromSocket(lhnetsocket_t *sock);
int LHNET_Read(lhnetsocket_t *lhnetsocket, void *content, int maxcontentlength, lhnetaddress_t *address);
int LHNET_Write(lhnetsocket_t *lhnetsocket, const void *content, int contentlength, const lhnetaddress_t *address);
 
#endif