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snmp: added helper functions to encode/decode BITS pseudo type, added define for Counter64 type, minor layout changes

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goldsimon
2015-09-30 17:24:53 +02:00
parent df1f12778f
commit 96847c1199
3 changed files with 103 additions and 12 deletions
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28
src/include/lwip/snmp_asn1.h
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@@ -53,26 +53,27 @@ extern "C" {
#define SNMP_ASN1_CONSTR (0x20) /* ( 0x20) */
#define SNMP_ASN1_PRIMIT (0) /* (!0x20) */
/* universal tags */
/* universal tags (from ASN.1 spec.) */
#define SNMP_ASN1_INTEG 2
#define SNMP_ASN1_OC_STR 4
#define SNMP_ASN1_NUL 5
#define SNMP_ASN1_OBJ_ID 6
#define SNMP_ASN1_SEQ 16
/* application specific (SNMP) tags */
#define SNMP_ASN1_IPADDR 0 /* octet string size(4) */
#define SNMP_ASN1_COUNTER 1 /* u32_t */
#define SNMP_ASN1_GAUGE 2 /* u32_t */
#define SNMP_ASN1_TIMETICKS 3 /* u32_t */
#define SNMP_ASN1_OPAQUE 4 /* octet string */
/* application specific (SNMP) tags (from SNMPv2-SMI) */
#define SNMP_ASN1_IPADDR 0 /* [APPLICATION 0] IMPLICIT OCTET STRING (SIZE (4)) */
#define SNMP_ASN1_COUNTER 1 /* [APPLICATION 1] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_GAUGE 2 /* [APPLICATION 2] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_TIMETICKS 3 /* [APPLICATION 3] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_OPAQUE 4 /* [APPLICATION 4] IMPLICIT OCTET STRING */
#define SNMP_ASN1_COUNTER64 6 /* [APPLICATION 6] IMPLICIT INTEGER (0..18446744073709551615) */
/* context specific (SNMP) tags */
#define SNMP_ASN1_PDU_GET_REQ 0
/* context specific (SNMP) tags (from SNMP spec. RFC1157) */
#define SNMP_ASN1_PDU_GET_REQ 0
#define SNMP_ASN1_PDU_GET_NEXT_REQ 1
#define SNMP_ASN1_PDU_GET_RESP 2
#define SNMP_ASN1_PDU_SET_REQ 3
#define SNMP_ASN1_PDU_TRAP 4
#define SNMP_ASN1_PDU_GET_RESP 2
#define SNMP_ASN1_PDU_SET_REQ 3
#define SNMP_ASN1_PDU_TRAP 4
err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);
err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);
@@ -92,6 +93,9 @@ err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u16_t octets_needed, s32_t v
err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u16_t ident_len, const s32_t *ident);
err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u16_t raw_len, const u8_t *raw);
err_t snmp_asn1_dec_bits(const u8_t *buf, u32_t buf_len, u32_t *bit_value);
u8_t snmp_asn1_enc_bits(u8_t *buf, u32_t buf_len, u32_t bit_value);
#ifdef __cplusplus
}
#endif