向前兼容, 仍支持历史已有的接口.

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 : <20><><EFBFBD>ݰ<EFBFBD>ͷ<EFBFBD><CDB7>ƫ<EFBFBD>ƺ<EFBFBD><C6BA><EFBFBD>.
+
+	<09><><EFBFBD><EFBFBD>:
+		raw_data: <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7>ָ<EFBFBD><D6B8>;
+		raw_layer_type: <20><>ǰ<EFBFBD><C7B0><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>: enum addr_type_t ;
+		expect_layer_type: <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD>ĵ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>:  enum addr_type_t ;
+
+	<09><><EFBFBD><EFBFBD>ֵ:
+		NULL: <20>޴˵<DEB4>ַ;
+		NON-NULL: <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>ַ.
+
+	<09><><EFBFBD><EFBFBD>:
+		<09><><EFBFBD>赱ǰ<E8B5B1><C7B0>ΪEthernet, <20><>ʼ<EFBFBD><CABC>ͷ<EFBFBD><CDB7>ַΪthis_layer_hdr, <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>IPv6<76><36>ͷ<EFBFBD><CDB7>:
+		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<64><79>MESA_jump_layer<65><72><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
+	   <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƕ<EFBFBD><C7B6>Э<EFBFBD><D0AD><EFBFBD><EFBFBD>˵,
+	       MESA_jump_layer<65><72>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>expect_layer_type;
+	       MESA_jump_layer_greedy<64><79>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD>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 );
 
+/* <20><>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>Ľӿ<C4BD><D3BF><EFBFBD><EFBFBD><EFBFBD>, <20><><EFBFBD><EFBFBD>ͬ<EFBFBD><CDAC> */
+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
+#endif

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);
+}
+
 /*
 	<09><>MESA_jump_layer()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
 		MESA_jump_layer()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㿪ʼ, <20>ҵ<EFBFBD><D2B5><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD>˳<EFBFBD>;
@@ -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<><C4A3>tcpdump<6D><70>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 )
 {