netlink_raw.h

#ifndef _CRTX_NETLINK_RAW
#define _CRTX_NETLINK_RAW
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Mario Kicherer (dev@kicherer.org) 2016
 *
 */
 
#include <sys/socket.h>
#include <linux/netlink.h>
 
#include "core.h"
 
struct crtx_netlink_raw_listener {
    struct crtx_listener_base base;
    
    int socket_protocol;
    
    sa_family_t nl_family;
    uint32_t nl_groups;
    
    int (*read_cb)(struct crtx_netlink_raw_listener *nl_listener, int fd, void *userdata);
    void *read_cb_userdata;
    
    int (*message_callback)(struct nlmsghdr *nlmsghdr, size_t nlmsgsize, void *message_callback_data);
    void *message_callback_data;
    uint16_t *message_types; // filter nlmsg types
    
    int fd;
    char stop;
};
 
struct crtx_listener_base *crtx_setup_netlink_raw_listener(void *options);
CRTX_DECLARE_ALLOC_FUNCTION(netlink_raw)
 
void crtx_netlink_raw_init();
void crtx_netlink_raw_finish();
 
#ifdef __cplusplus
}
#endif
 
#endif