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#ifndef __MESA_JUMP_LAYER_H_
#define __MESA_JUMP_LAYER_H_ 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
#include "stream.h"
#include <netinet/ip.h>
#include <netinet/ip6.h>
const char *MESA_jump_layer_get_last_error(void);
/*
CHN : ���ݰ�ͷ��ƫ�ƺ���.
����:
raw_data: ��ǰ���ͷ��ָ��;
raw_layer_type: ��ǰ��ĵ�ַ����, ���: enum addr_type_t ;
expect_layer_type: ������ת���ĵ�ַ����, ���: enum addr_type_t ;
����ֵ:
NULL: �˵�ַ;
NON-NULL: ��Ӧ���ͷ����ַ.
����:
���赱ǰ��ΪEthernet, ��ʼ��ͷ��ַΪthis_layer_hdr, ����ת��IPv6��ͷ��:
struct ip6_hdr *ip6_header;
ip6_header = MESA_net_jump_to_layer(this_layer_hdr, ADDR_TYPE_MAC, ADDR_TYPE_IPV6);
*/
const void *MESA_jump_layer(const void *raw_data, int raw_layer_type, int expect_layer_type);
/*
MESA_jump_layer_greedy��MESA_jump_layer������:
��������Ƕ��Э����˵,
MESA_jump_layer��ת����һ��expect_layer_type;
MESA_jump_layer_greedy��ת�����ڲ��expect_layer_type;
*/
const void *MESA_jump_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type);
/* ��ǰ������ǰ�Ľӿ�����, ����ͬ�� */
const void *MESA_net_jump_to_layer(const void *raw_data, int raw_layer_type, int expect_layer_type);
const void *MESA_net_jump_to_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type);
const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len );
const char *MESA_jump_layer_ipv6_ntop(const struct ip6_hdr *ip6_hdr, char *out_buf, int buf_len);
#ifdef __cplusplus
}
#endif
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