diff options
| -rw-r--r-- | inc/MESA_jump_layer.h | 33 | ||||
| -rw-r--r-- | src/MESA_jump_layer.cpp | 10 |
2 files changed, 40 insertions, 3 deletions
diff --git a/inc/MESA_jump_layer.h b/inc/MESA_jump_layer.h index d15578b..d5715fe 100644 --- a/inc/MESA_jump_layer.h +++ b/inc/MESA_jump_layer.h @@ -13,18 +13,45 @@ extern "C" { const char *MESA_jump_layer_get_last_error(void); + /* - The raw_layer_type and expect_layer_type refer to sapp_base.h->enum addr_type_t + 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); -const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len ); +/* ��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
\ No newline at end of file +#endif diff --git a/src/MESA_jump_layer.cpp b/src/MESA_jump_layer.cpp index ebbf164..04016eb 100644 --- a/src/MESA_jump_layer.cpp +++ b/src/MESA_jump_layer.cpp @@ -1332,6 +1332,11 @@ const void *MESA_jump_layer(const void *raw_data, int raw_layer_type, int expec return ((const char *)raw_data + ret); } +const void *MESA_net_jump_to_layer(const void *raw_data, int raw_layer_type, int expect_layer_type) +{ + return MESA_jump_layer(raw_data, raw_layer_type, expect_layer_type); +} + /* ��MESA_jump_layer()������: MESA_jump_layer()������㿪ʼ, �ҵ���һ�����������IJ���˳�; @@ -1425,6 +1430,11 @@ done: return success_layer; } +const void *MESA_net_jump_to_layer_greedy(const void *raw_data, int raw_layer_type, int expect_layer_type) +{ + return MESA_jump_layer_greedy(raw_data, raw_layer_type, expect_layer_type); +} + /* ģ��tcpdump��ʽ: 192.168.40.137.22 > 192.168.36.40.49429 */ const char *MESA_jump_layer_ipv4_ntop(const struct ip *ip4_hdr, char *out_buf, int buf_len ) { |