[SR-Dev] git:janakj/kcore: Adding print_rr_body from kamailio/parser/parse_rr.[hc]

Module: sip-router Branch: janakj/kcore Commit: 895489f0d7e0ec36a20868e94fa31361fe9c5e45 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=895489f… Author: Jan Janak &lt;jan(a)iptel.org&gt; Committer: Jan Janak &lt;jan(a)iptel.org&gt; Date: Fri Mar 6 02:13:42 2009 +0100 Adding print_rr_body from kamailio/parser/parse_rr.[hc] --- lib/kcore/parser_helpers.c | 110 ++++++++++++++++++++++++++++++++++++++++++++ lib/kcore/parser_helpers.h | 10 ++++ 2 files changed, 120 insertions(+), 0 deletions(-) diff --git a/lib/kcore/parser_helpers.c b/lib/kcore/parser_helpers.c index 15c48c6..5d4ef16 100644 --- a/lib/kcore/parser_helpers.c +++ b/lib/kcore/parser_helpers.c @@ -2,7 +2,9 @@ #include "errinfo.h" #include "../../parser/parse_to.h" #include "../../parser/parse_from.h" +#include "../../parser/parse_rr.h" #include "../../dprint.h" +#include "../../mem/mem.h" #include <string.h> @@ -63,3 +65,111 @@ struct sip_uri *parse_from_uri(struct sip_msg *msg) return &tb->parsed_uri; } + +/*! + * get first RR header and print comma separated bodies in oroute + * - order = 0 normal; order = 1 reverse + * - nb_recs - input=skip number of rr; output=number of printed rrs + */ +int print_rr_body(struct hdr_field *iroute, str *oroute, int order, + unsigned int * nb_recs) +{ + rr_t *p; + int n = 0, nr=0; + int i = 0; + int route_len; +#define MAX_RR_HDRS 64 + static str route[MAX_RR_HDRS]; + char *cp, *start; + + if(iroute==NULL) + return 0; + + route_len= 0; + memset(route, 0, MAX_RR_HDRS*sizeof(str)); + + while (iroute!=NULL) + { + if (parse_rr(iroute) < 0) + { + LM_ERR("failed to parse RR\n"); + goto error; + } + + p =(rr_t*)iroute->parsed; + while (p) + { + route[n].s = p->nameaddr.name.s; + route[n].len = p->len; + LM_DBG("current rr is %.*s\n", route[n].len, route[n].s); + + n++; + if(n==MAX_RR_HDRS) + { + LM_ERR("too many RR\n"); + goto error; + } + p = p->next; + } + iroute = iroute->sibling; + } + + for(i=0;i<n;i++){ + if(!nb_recs || (nb_recs && + ( (!order&& (i>=*nb_recs)) || (order && (i<=(n-*nb_recs)) )) ) ) + { + route_len+= route[i].len; + nr++; + } + + } + + if(nb_recs) + LM_DBG("skipping %i route records\n", *nb_recs); + + route_len += --nr; /* for commas */ + + oroute->s=(char*)pkg_malloc(route_len); + + + if(oroute->s==0) + { + LM_ERR("no more pkg mem\n"); + goto error; + } + cp = start = oroute->s; + if(order==0) + { + i= (nb_recs == NULL) ? 0:*nb_recs; + + while (i<n) + { + memcpy(cp, route[i].s, route[i].len); + cp += route[i].len; + if (++i<n) + *(cp++) = ','; + } + } else { + + i = (nb_recs == NULL) ? n-1 : (n-*nb_recs-1); + + while (i>=0) + { + memcpy(cp, route[i].s, route[i].len); + cp += route[i].len; + if (i-->0) + *(cp++) = ','; + } + } + oroute->len=cp - start; + + LM_DBG("out rr [%.*s]\n", oroute->len, oroute->s); + LM_DBG("we have %i records\n", n); + if(nb_recs != NULL) + *nb_recs = (unsigned int)n; + + return 0; + +error: + return -1; +} diff --git a/lib/kcore/parser_helpers.h b/lib/kcore/parser_helpers.h index 58e8764..76f7e98 100644 --- a/lib/kcore/parser_helpers.h +++ b/lib/kcore/parser_helpers.h @@ -3,9 +3,19 @@ #include "../../parser/msg_parser.h" #include "../../parser/parse_uri.h" +#include "../../str.h" struct sip_uri* parse_to_uri(struct sip_msg* msg); struct sip_uri* parse_from_uri(struct sip_msg* msg); +/*! + * get first RR header and print comma separated bodies in oroute + * - order = 0 normal; order = 1 reverse + * - nb_recs - input=skip number of rr; output=number of printed rrs + */ +int print_rr_body(struct hdr_field *iroute, str *oroute, int order, + unsigned int * nb_recs); + + #endif /* _PARSER_HELPERS_H */