Module: sip-router Branch: master Commit: 2e821613a2fac7b3a6b7ec28a314b462f18f5bc2 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=2e821613...

Author: Richard Good richard.good@smilecoms.com Committer: Richard Good richard.good@smilecoms.com Date: Thu Oct 9 11:57:56 2014 +0200

modules/ims_qos: Added feature to Rx_reg check if session has been opened before acting on termination When Rx signalling session is terminated only remove user from user loc if rx signalling session was successfully opened

---

modules/ims_qos/cdpeventprocessor.c | 37 ++++++++++++++++++---------------- modules/ims_qos/rx_aar.c | 27 ++++++++++++++++++++++-- modules/ims_qos/rx_authdata.c | 2 + modules/ims_qos/rx_authdata.h | 1 + 4 files changed, 47 insertions(+), 20 deletions(-)

diff --git a/modules/ims_qos/cdpeventprocessor.c b/modules/ims_qos/cdpeventprocessor.c index 409009e..1cf322e 100644 --- a/modules/ims_qos/cdpeventprocessor.c +++ b/modules/ims_qos/cdpeventprocessor.c @@ -230,23 +230,26 @@ void cdp_cb_event_process() { LM_DBG("This is a subscription to signalling bearer session"); //instead of removing the contact from usrloc_pcscf we just change the state of the contact to TERMINATE_PENDING_NOTIFY //pcscf_registrar sees this, sends a SIP PUBLISH and on SIP NOTIFY the contact is deleted - - if (ul.register_udomain(p_session_data->domain.s, &domain) - < 0) { - LM_DBG("Unable to register usrloc domain....aborting\n"); - return; - } - ul.lock_udomain(domain, &p_session_data->registration_aor); - if (ul.get_pcontact(domain, &p_session_data->registration_aor, - &pcontact) != 0) { - LM_DBG("no contact found for terminated Rx reg session..... ignoring\n"); - } else { - LM_DBG("Updating contact [%.*s] after Rx reg session terminated, setting state to PCONTACT_DEREG_PENDING_PUBLISH\n", pcontact->aor.len, pcontact->aor.s); - ci.reg_state = PCONTACT_DEREG_PENDING_PUBLISH; - ci.num_service_routes = 0; - ul.update_pcontact(domain, &ci, pcontact); - } - ul.unlock_udomain(domain, &p_session_data->registration_aor); + //note we only send SIP PUBLISH if the session has been successfully opened + + if(p_session_data->session_has_been_opened) { + if (ul.register_udomain(p_session_data->domain.s, &domain) + < 0) { + LM_DBG("Unable to register usrloc domain....aborting\n"); + return; + } + ul.lock_udomain(domain, &p_session_data->registration_aor); + if (ul.get_pcontact(domain, &p_session_data->registration_aor, + &pcontact) != 0) { + LM_DBG("no contact found for terminated Rx reg session..... ignoring\n"); + } else { + LM_DBG("Updating contact [%.*s] after Rx reg session terminated, setting state to PCONTACT_DEREG_PENDING_PUBLISH\n", pcontact->aor.len, pcontact->aor.s); + ci.reg_state = PCONTACT_DEREG_PENDING_PUBLISH; + ci.num_service_routes = 0; + ul.update_pcontact(domain, &ci, pcontact); + } + ul.unlock_udomain(domain, &p_session_data->registration_aor); + } } else { LM_DBG("This is a media bearer session session");

diff --git a/modules/ims_qos/rx_aar.c b/modules/ims_qos/rx_aar.c index 028d6cd..c3482fc 100644 --- a/modules/ims_qos/rx_aar.c +++ b/modules/ims_qos/rx_aar.c @@ -94,7 +94,7 @@ void async_aar_callback(int is_timeout, void *param, AAAMessage *aaa, long elaps struct cell *t = 0; unsigned int cdp_result; int result = CSCF_RETURN_ERROR; - + LM_DBG("Received AAR callback\n"); saved_transaction_t* data = (saved_transaction_t*) param;

@@ -135,9 +135,9 @@ void async_aar_callback(int is_timeout, void *param, AAAMessage *aaa, long elaps

if (cdp_result >= 2000 && cdp_result < 3000) { LM_DBG("Success, received code: [%i] from PCRF for AAR request\n", cdp_result); - - LM_DBG("Auth session ID [%.*s]", aaa->sessionId->data.len, aaa->sessionId->data.s); + LM_DBG("Auth session ID [%.*s]", aaa->sessionId->data.len, aaa->sessionId->data.s); + if(!data->aar_update) { LM_DBG("This is an AAA response to an initial AAR"); str * passed_rx_session_id = shm_malloc(sizeof (struct _str)); @@ -181,6 +181,8 @@ void async_aar_reg_callback(int is_timeout, void *param, AAAMessage *aaa, long e struct pcontact_info ci; udomain_t* domain_t; int finalReply = 0; + AAASession *auth = 0; + rx_authsessiondata_t* p_session_data = 0; int result = CSCF_RETURN_ERROR;

LM_DBG("Received AAR callback\n"); @@ -245,6 +247,25 @@ void async_aar_reg_callback(int is_timeout, void *param, AAAMessage *aaa, long e create_return_code(result); goto done; } + //need to set Rx auth data to say this session has been successfully opened + //This is used elsewhere to prevent acting on termination events when the session has not been opened + //getting auth session + auth = cdpb.AAAGetAuthSession(aaa->sessionId->data); + if (!auth) { + LM_DBG("Could not get Auth Session for session id: [%.*s]\n", aaa->sessionId->data.len, aaa->sessionId->data.s); + goto error; + } + //getting session data + p_session_data = (rx_authsessiondata_t*) auth->u.auth.generic_data; + if (!p_session_data) { + LM_DBG("Could not get session data on Auth Session for session id: [%.*s]\n", aaa->sessionId->data.len, aaa->sessionId->data.s); + if (auth) cdpb.AAASessionsUnlock(auth->hash); + goto error; + } + p_session_data->session_has_been_opened = 1; + if (auth) cdpb.AAASessionsUnlock(auth->hash); + + LM_DBG("Success, received code: [%i] from PCRF for AAR request (contact: [%.*s]), (auth session id: %.*s)\n", cdp_result, local_data->contact.len, local_data->contact.s, local_data->auth_session_id.len, local_data->auth_session_id.s); diff --git a/modules/ims_qos/rx_authdata.c b/modules/ims_qos/rx_authdata.c index 1de9b40..86e8fca 100644 --- a/modules/ims_qos/rx_authdata.c +++ b/modules/ims_qos/rx_authdata.c @@ -81,6 +81,8 @@ int create_new_regsessiondata(str* domain, str* aor, rx_authsessiondata_t** sess p_session_data->subscribed_to_signaling_path_status = 1; p_session_data->must_terminate_dialog = 0; /*irrelevent for reg session data this will always be 0 */

+ p_session_data->session_has_been_opened = 0; /*0 has not been opened 1 has been opened*/ + char* p = (char*)(p_session_data + 1); p_session_data->domain.s = p; memcpy(p, domain->s, domain->len); diff --git a/modules/ims_qos/rx_authdata.h b/modules/ims_qos/rx_authdata.h index 3332997..2264664 100644 --- a/modules/ims_qos/rx_authdata.h +++ b/modules/ims_qos/rx_authdata.h @@ -84,6 +84,7 @@ typedef struct rx_authsessiondata { int ip_version; //for registration session int subscribed_to_signaling_path_status; // 0 not subscribed 1 is subscribed + int session_has_been_opened; // 0 has not been opened 1 has been opened str domain; //the domain the registration aor belongs to (for registration) str registration_aor; //the aor if this rx session is a subscription to signalling status int must_terminate_dialog; //0 means when this session terminates it must not terminate the relevant dialog, 1 means it must terminate the dialog