92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#ifndef _TUPLE_H
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#define _TUPLE_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <arpa/inet.h>
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enum ip_type
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{
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IP_TYPE_V4,
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IP_TYPE_V6,
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};
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union ip_address
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{
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struct in_addr v4; /* network order */
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struct in6_addr v6; /* network order */
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};
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struct tuple2
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{
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enum ip_type ip_type;
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union ip_address src_addr; /* network order */
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union ip_address dst_addr; /* network order */
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};
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struct tuple4
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{
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enum ip_type ip_type;
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union ip_address src_addr; /* network order */
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union ip_address dst_addr; /* network order */
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in_port_t src_port; /* network order */
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in_port_t dst_port; /* network order */
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};
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struct tuple5
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{
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enum ip_type ip_type;
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union ip_address src_addr; /* network order */
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union ip_address dst_addr; /* network order */
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in_port_t src_port; /* network order */
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in_port_t dst_port; /* network order */
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uint16_t ip_proto; /* network order */
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};
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struct tuple6
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{
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enum ip_type ip_type;
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union ip_address src_addr; /* network order */
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union ip_address dst_addr; /* network order */
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uint16_t src_port; /* network order */
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uint16_t dst_port; /* network order */
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uint16_t ip_proto; /* network order */
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uint64_t domain;
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};
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uint32_t tuple2_hash(const struct tuple2 *tuple);
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uint32_t tuple4_hash(const struct tuple4 *tuple);
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uint32_t tuple5_hash(const struct tuple5 *tuple);
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uint32_t tuple6_hash(const struct tuple6 *tuple);
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int tuple2_cmp(const struct tuple2 *tuple_a, const struct tuple2 *tuple_b);
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int tuple4_cmp(const struct tuple4 *tuple_a, const struct tuple4 *tuple_b);
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int tuple5_cmp(const struct tuple5 *tuple_a, const struct tuple5 *tuple_b);
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int tuple6_cmp(const struct tuple6 *tuple_a, const struct tuple6 *tuple_b);
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void tuple2_reverse(const struct tuple2 *in, struct tuple2 *out);
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void tuple4_reverse(const struct tuple4 *in, struct tuple4 *out);
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void tuple5_reverse(const struct tuple5 *in, struct tuple5 *out);
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void tuple6_reverse(const struct tuple6 *in, struct tuple6 *out);
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void tuple2_to_str(const struct tuple2 *tuple, char *buf, uint32_t size);
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void tuple4_to_str(const struct tuple4 *tuple, char *buf, uint32_t size);
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void tuple5_to_str(const struct tuple5 *tuple, char *buf, uint32_t size);
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// output format: "src_addr:src_port -> dst_addr:dst_port, proto: ip_proto, domain: domain"
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// output max len: 46 + 1 + 5 + 4 + 46 + 1 + 5 + 9 + 1 + 10 + 20 = 107
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void tuple6_to_str(const struct tuple6 *tuple, char *buf, uint32_t size);
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#ifdef __cplusplus
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}
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#endif
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#endif
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