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In the AgentX communication the subagent chooses the byte order used. To reduce code complexity, we decide to use compile-time selected byte order in PDU sent. Supported options are: - SNMP_NATIVE: use native CPU byte order - SNMP_NETWORK_BYTE_ORDER: use big endian in PDUs, i.e. network byte order It is recommended not to used both options at the same time (even it is possible on big endian platforms).
69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
#ifndef _BIRD_SNMP_UTILS_H_
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#define _BIRD_SNMP_UTILS_H_
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#include "subagent.h"
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uint snmp_pkt_len(const byte *start, const byte *end);
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size_t snmp_str_size_from_len(uint len);
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size_t snmp_str_size(const char *str);
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int snmp_is_oid_empty(const struct oid *oid);
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int snmp_valid_ip4_index(const struct oid *o, uint start);
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int snmp_valid_ip4_index_unsafe(const struct oid *o, uint start);
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uint snmp_oid_size(const struct oid *o);
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size_t snmp_oid_sizeof(uint n_subid);
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uint snmp_varbind_hdr_size_from_oid(struct oid *oid);
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uint snmp_varbind_header_size(struct agentx_varbind *vb);
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uint snmp_varbind_size(struct agentx_varbind *vb);
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int snmp_test_varbind(const struct agentx_varbind *vb);
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void snmp_session(const struct snmp_proto *p, struct agentx_header *h);
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int snmp_has_context(const struct agentx_header *h);
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void snmp_pdu_context(struct snmp_pdu *pdu, sock *sk);
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void snmp_oid_copy(struct oid *dest, const struct oid *src);
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struct oid *snmp_oid_duplicate(pool *pool, const struct oid *oid);
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struct oid *snmp_oid_blank(struct snmp_proto *p);
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void *snmp_varbind_data(const struct agentx_varbind *vb);
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struct agentx_varbind *snmp_create_varbind(byte* buf, struct oid *oid);
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byte *snmp_fix_varbind(struct agentx_varbind *vb, struct oid *new);
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int snmp_oid_compare(const struct oid *first, const struct oid *second);
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byte *snmp_no_such_object(byte *buf, struct agentx_varbind *vb, struct oid *oid);
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byte *snmp_no_such_instance(byte *buf, struct agentx_varbind *vb, struct oid *oid);
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byte *snmp_put_str(byte *buf, const char *str);
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byte *snmp_put_nstr(byte *buf, const char *str, uint len);
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byte *snmp_put_blank(byte *buf);
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byte *snmp_put_oid(byte *buf, struct oid *oid);
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byte *snmp_put_ip4(byte *buf, ip4_addr ip4);
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byte *snmp_put_fbyte(byte *buf, u8 data);
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void snmp_oid_ip4_index(struct oid *o, uint start, ip4_addr addr);
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void snmp_oid_dump(const struct oid *oid);
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//struct oid *snmp_prefixize(struct snmp_proto *p, struct oid *o);
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struct snmp_register *snmp_register_create(struct snmp_proto *p, u8 mib_class);
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int snmp_register_same(struct snmp_register *r, struct agentx_header *h, u8 class);
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byte *snmp_varbind_int(struct agentx_varbind *vb, uint size, u32 val);
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byte *snmp_varbind_counter32(struct agentx_varbind *vb, uint size, u32 val);
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byte *snmp_varbind_gauge32(struct agentx_varbind *vb, uint size, s64 val);
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byte *snmp_varbind_ticks(struct agentx_varbind *vb, uint size, u32 val);
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byte *snmp_varbind_ip4(struct agentx_varbind *vb, uint size, ip4_addr addr);
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byte *snmp_varbind_nstr(struct agentx_varbind *vb, uint size, const char *str, uint len);
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void snmp_dump_packet(byte *pkt, uint size);
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enum agentx_type snmp_search_res_to_type(enum snmp_search_res res);
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int agentx_type_size(enum agentx_type t);
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#endif
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