diff options
Diffstat (limited to 'lib/asn.c')
| -rw-r--r-- | lib/asn.c | 64 |
1 files changed, 64 insertions, 0 deletions
@@ -118,6 +118,15 @@ static bool asn_str2asn_internal(const char *asstring, as_t *asn, return ret; } +static void asn_asn2asdot(as_t asn, char *asstring, size_t len) +{ + uint16_t low, high; + + high = (asn >> 16) & 0xffff; + low = asn & 0xffff; + snprintf(asstring, len, "%hu.%hu", high, low); +} + bool asn_str2asn(const char *asstring, as_t *asn) { return asn_str2asn_internal(asstring, asn, NULL, NULL, NULL); @@ -173,3 +182,58 @@ const char *asn_mode2str(enum asnotation_mode asnotation) return lookup_msg(asnotation_mode_msg, asnotation, "Unrecognized AS notation mode"); } + +void asn_asn2json_array(json_object *jseg_list, as_t asn, + enum asnotation_mode asnotation) +{ + static char as_str[ASN_STRING_MAX_SIZE]; + + if ((asnotation == ASNOTATION_PLAIN) || + ((asnotation == ASNOTATION_DOT) && asn < UINT16_MAX)) + json_object_array_add(jseg_list, + json_object_new_int64(asn)); + else { + asn_asn2asdot(asn, as_str, sizeof(as_str)); + json_array_string_add(jseg_list, as_str); + } +} + +static ssize_t printfrr_asnotation(struct fbuf *buf, struct printfrr_eargs *ea, + const void *ptr, + enum asnotation_mode asnotation) +{ + /* for alignemnt up to 33 chars - %33pASD for instance - */ + char as_str[ASN_STRING_MAX_SIZE*3]; + const as_t *asn; + + if (!ptr) + return bputs(buf, "(null)"); + asn = ptr; + if ((asnotation == ASNOTATION_PLAIN) || + ((asnotation == ASNOTATION_DOT) && *asn < UINT16_MAX)) + snprintf(as_str, sizeof(as_str), "%u", *asn); + else + asn_asn2asdot(*asn, as_str, sizeof(as_str)); + return bputs(buf, as_str); +} + +printfrr_ext_autoreg_p("ASP", printfrr_asplain); +static ssize_t printfrr_asplain(struct fbuf *buf, struct printfrr_eargs *ea, + const void *ptr) +{ + return printfrr_asnotation(buf, ea, ptr, ASNOTATION_PLAIN); +} + +printfrr_ext_autoreg_p("ASD", printfrr_asdot); +static ssize_t printfrr_asdot(struct fbuf *buf, struct printfrr_eargs *ea, + const void *ptr) +{ + return printfrr_asnotation(buf, ea, ptr, ASNOTATION_DOT); +} + +printfrr_ext_autoreg_p("ASE", printfrr_asdotplus); +static ssize_t printfrr_asdotplus(struct fbuf *buf, struct printfrr_eargs *ea, + const void *ptr) +{ + return printfrr_asnotation(buf, ea, ptr, ASNOTATION_DOTPLUS); +} |