Module: kamailio Branch: master Commit: 10bc5b244db34e57beb9e5b4ec546396fb12a76b URL: https://github.com/kamailio/kamailio/commit/10bc5b244db34e57beb9e5b4ec54639… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2021-06-08T13:25:54+02:00 pv: new variable $hflc(hname) - return the number of bodies for known headers that can also be as a comma separated list - supported now is Via header --- Modified: src/modules/pv/pv.c Modified: src/modules/pv/pv_core.c Modified: src/modules/pv/pv_core.h --- Diff: https://github.com/kamailio/kamailio/commit/10bc5b244db34e57beb9e5b4ec54639… Patch: https://github.com/kamailio/kamailio/commit/10bc5b244db34e57beb9e5b4ec54639… --- diff --git a/src/modules/pv/pv.c b/src/modules/pv/pv.c index 2738a8b7a2..3a904e3161 100644 --- a/src/modules/pv/pv.c +++ b/src/modules/pv/pv.c @@ -110,6 +110,8 @@ static pv_export_t mod_pvs[] = { 0, 0, 0}, {{"hfl", (sizeof("hfl")-1)}, PVT_HDR, pv_get_hfl, 0, pv_parse_hfl_name, pv_parse_index, 0, 0}, + {{"hflc", (sizeof("hflc")-1)}, PVT_HDRC, pv_get_hflc, 0, pv_parse_hfl_name, + 0, 0, 0}, {{"var", (sizeof("var")-1)}, PVT_SCRIPTVAR, pv_get_scriptvar, pv_set_scriptvar, pv_parse_scriptvar_name, 0, 0, 0}, {{"vz", (sizeof("vz")-1)}, PVT_SCRIPTVAR, pv_get_scriptvar, diff --git a/src/modules/pv/pv_core.c b/src/modules/pv/pv_core.c index 1b39ef3fb8..a4bfe21985 100644 --- a/src/modules/pv/pv_core.c +++ b/src/modules/pv/pv_core.c @@ -2421,6 +2421,70 @@ int pv_get_hfl(sip_msg_t *msg, pv_param_t *param, pv_value_t *res) return pv_get_hdr_helper(msg, param, res, &tv, idx, idxf); } +/** + * + */ +int pv_get_hflc(sip_msg_t *msg, pv_param_t *param, pv_value_t *res) +{ + pv_value_t tv = {0}; + via_body_t *vb = NULL; + hdr_field_t *hf = NULL; + int n = 0; + + if(msg==NULL || res==NULL || param==NULL) + return -1; + + /* get the name */ + if(param->pvn.type == PV_NAME_PVAR) { + if(pv_get_spec_name(msg, param, &tv)!=0 || (!(tv.flags&PV_VAL_STR))) { + LM_ERR("invalid name\n"); + return pv_get_sintval(msg, param, res, 0); + } + } else { + if(param->pvn.u.isname.type == AVP_NAME_STR) { + tv.flags = PV_VAL_STR; + tv.rs = param->pvn.u.isname.name.s; + } else { + tv.flags = 0; + tv.ri = param->pvn.u.isname.name.n; + } + } + + if (parse_headers(msg, HDR_EOH_F, 0)<0) { + LM_DBG("failed to parse sip headers\n"); + return pv_get_sintval(msg, param, res, 0); + } + + if((tv.flags == 0) && (tv.ri==HDR_VIA_T)) { + if(msg->h_via1==NULL) { + LM_WARN("no Via header\n"); + return pv_get_sintval(msg, param, res, 0); + } + /* count Via header bodies */ + for(hf=msg->h_via1; hf!=NULL; hf=hf->next) { + if(hf->type==HDR_VIA_T) { + for(vb=(via_body_t*)hf->parsed; vb!=NULL; vb=vb->next) { + n++; + } + } + } + return pv_get_sintval(msg, param, res, n); + } + + for (hf=msg->headers; hf; hf=hf->next) { + if(tv.flags == 0) { + if (tv.ri==hf->type) { + n++; + } + } else { + if (cmp_hdrname_str(&hf->name, &tv.rs)==0) { + n++; + } + } + } + return pv_get_sintval(msg, param, res, n); +} + /** * */ diff --git a/src/modules/pv/pv_core.h b/src/modules/pv/pv_core.h index 179df8fd0b..d001104647 100644 --- a/src/modules/pv/pv_core.h +++ b/src/modules/pv/pv_core.h @@ -255,6 +255,8 @@ int pv_get_hdrc(struct sip_msg *msg, pv_param_t *param, pv_value_t *res); int pv_get_hfl(sip_msg_t *msg, pv_param_t *param, pv_value_t *res); +int pv_get_hflc(struct sip_msg *msg, pv_param_t *param, pv_value_t *res); + int pv_get_scriptvar(struct sip_msg *msg, pv_param_t *param, pv_value_t *res);