[sr-dev] git:master:767d3ca8: uac: added uac_event_callback for kemi

Module: kamailio Branch: master Commit: 767d3ca88a4e4fa093a6a81a36d95d116251b578 URL: https://github.com/kamailio/kamailio/commit/767d3ca88a4e4fa093a6a81a36d95d1… Author: Yufei Tao &lt;yufei.tao(a)syntec.co.uk&gt; Committer: Yufei Tao &lt;yt100(a)hotmail.com&gt; Date: 2020-08-17T15:09:24+01:00 uac: added uac_event_callback for kemi --- Modified: src/modules/uac/doc/uac_admin.xml Modified: src/modules/uac/uac.c Modified: src/modules/uac/uac_send.c --- Diff: https://github.com/kamailio/kamailio/commit/767d3ca88a4e4fa093a6a81a36d95d1… Patch: https://github.com/kamailio/kamailio/commit/767d3ca88a4e4fa093a6a81a36d95d1… --- diff --git a/src/modules/uac/doc/uac_admin.xml b/src/modules/uac/doc/uac_admin.xml index 64aabf2190..7029449ac3 100644 --- a/src/modules/uac/doc/uac_admin.xml +++ b/src/modules/uac/doc/uac_admin.xml @@ -593,6 +593,38 @@ modparam("uac", "reg_gc_interval", 60) </example> </section> + <section id="uac.p.event_callback"> + <title><varname>event_callback</varname> (str)</title> + <para> + The name of the function in the kemi configuration file (embedded + scripting language such as Lua, Python, ...) to be executed instead + of event_route[uac:reply] block. + </para> + <para> + The function receives a string parameter with the name of the event, + the value can be: 'uac:reply'. + </para> + <para> + <emphasis> + Default value is 'empty' (no function is executed for events). + </emphasis> + </para> + <example> + <title>Set <varname>event_callback</varname> parameter</title> + <programlisting format="linespecific"> + ... +modparam("uac", "event_callback", "ksr_uac_event") + +function ksr_uac_event(evname) + KSR.info("===== uac module triggered event: " .. evname .. "\n"); + return 1; +end + ... + </programlisting> + </example> + </section> + + </section> <section> diff --git a/src/modules/uac/uac.c b/src/modules/uac/uac.c index 3212960f4e..0988669f67 100644 --- a/src/modules/uac/uac.c +++ b/src/modules/uac/uac.c @@ -93,6 +93,8 @@ pv_spec_t auth_password_spec; str uac_default_socket = STR_NULL; struct socket_info * uac_default_sockinfo = NULL; +str uac_event_callback = STR_NULL; + static int w_replace_from(struct sip_msg* msg, char* p1, char* p2); static int w_restore_from(struct sip_msg* msg, char* p1, char* p2); static int w_replace_to(struct sip_msg* msg, char* p1, char* p2); @@ -178,6 +180,7 @@ static param_export_t params[] = { {"reg_active", INT_PARAM, &reg_active_param }, {"reg_gc_interval", INT_PARAM, &_uac_reg_gc_interval }, {"default_socket", PARAM_STR, &uac_default_socket}, + {"event_callback", PARAM_STR, &uac_event_callback}, {0, 0, 0} }; diff --git a/src/modules/uac/uac_send.c b/src/modules/uac/uac_send.c index 409980aea9..d906a1c27f 100644 --- a/src/modules/uac/uac_send.c +++ b/src/modules/uac/uac_send.c @@ -36,6 +36,7 @@ #include "../../core/parser/parse_to.h" #include "../../core/parser/contact/parse_contact.h" #include "../../core/fmsg.h" +#include "../../core/kemi.h" #include "auth.h" #include "auth_hdr.h" @@ -82,6 +83,8 @@ typedef struct _uac_send_info { static struct _uac_send_info _uac_req; +extern str uac_event_callback; + void uac_send_info_copy(uac_send_info_t *src, uac_send_info_t *dst) { memcpy(dst, src, sizeof(uac_send_info_t)); @@ -630,12 +633,27 @@ void uac_req_run_event_route(sip_msg_t *msg, uac_send_info_t *tp, int rcode) int rt, backup_rt; struct run_act_ctx ctx; sip_msg_t *fmsg; + sr_kemi_eng_t *keng = NULL; + int kemi_evroute = 0; + + if(uac_event_callback.s!=NULL && uac_event_callback.len>0) { + keng = sr_kemi_eng_get(); + if(keng==NULL) { + LM_DBG("event callback (%s) set, but no cfg engine\n", + uac_event_callback.s); + return; + } else { + kemi_evroute = 1; + } + } - rt = route_get(&event_rt, evrtname); - if (rt < 0 || event_rt.rlist[rt] == NULL) - { - LM_DBG("event_route[uac:reply] does not exist\n"); - return; + if (kemi_evroute==0) { + rt = route_get(&event_rt, evrtname); + if (rt < 0 || event_rt.rlist[rt] == NULL) + { + LM_DBG("event_route[uac:reply] does not exist\n"); + return; + } } uac_send_info_copy(tp, &_uac_req); @@ -652,7 +670,17 @@ void uac_req_run_event_route(sip_msg_t *msg, uac_send_info_t *tp, int rcode) backup_rt = get_route_type(); set_route_type(REQUEST_ROUTE); init_run_actions_ctx(&ctx); - run_top_route(event_rt.rlist[rt], fmsg, 0); + + if (kemi_evroute==1) { + str evrtname = str_init("uac:reply"); + + if(sr_kemi_route(keng, fmsg, EVENT_ROUTE, + &uac_event_callback, &evrtname)<0) { + LM_ERR("error running event route kemi callback\n"); + } + } else { + run_top_route(event_rt.rlist[rt], fmsg, 0); + } set_route_type(backup_rt); }