573 lines
18 KiB
C
573 lines
18 KiB
C
#define TRACE_MODULE _pcscf_fd_path
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#include "core_debug.h"
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#include "core_pool.h"
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#include "core_lib.h"
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#include "core_network.h"
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#include "3gpp_types.h"
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#include "gtp/gtp_xact.h"
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#include "fd/fd_lib.h"
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#include "fd/rx/rx_dict.h"
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#include "fd/rx/rx_message.h"
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#include "pcscf_fd_path.h"
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#define MAX_NUM_SESSION_STATE 32
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static struct session_handler *pcscf_rx_reg = NULL;
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static fd_config_t fd_config;
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struct sess_state {
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os0_t rx_sid; /* Rx Session-Id */
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struct timespec ts; /* Time of sending the message */
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};
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pool_declare(pcscf_rx_sess_pool, struct sess_state, MAX_NUM_SESSION_STATE);
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static void pcscf_rx_aaa_cb(void *data, struct msg **msg);
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static __inline__ struct sess_state *new_state(os0_t sid)
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{
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struct sess_state *new = NULL;
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pool_alloc_node(&pcscf_rx_sess_pool, &new);
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d_assert(new, return NULL,);
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memset(new, 0, sizeof *new);
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new->rx_sid = (os0_t)core_strdup((char *)sid);
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d_assert(new->rx_sid, return NULL,);
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return new;
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}
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void pcscf_rx_sess_cleanup(
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struct sess_state *sess_data, os0_t sid, void * opaque)
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{
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if (sess_data->rx_sid)
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CORE_FREE(sess_data->rx_sid);
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pool_free_node(&pcscf_rx_sess_pool, sess_data);
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}
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void pcscf_rx_send_aar(c_int8_t **rx_sid, const char *ip)
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{
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status_t rv;
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int ret;
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struct msg *req = NULL;
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struct avp *avp;
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struct avp *avpch1, *avpch2;
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union avp_value val;
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struct sess_state *sess_data = NULL, *svg;
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struct session *session = NULL;
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int new;
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paa_t paa;
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ipsubnet_t ipsub;
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d_assert(rx_sid, return,);
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d_assert(ip, return,);
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rv = core_ipsubnet(&ipsub, ip, NULL);
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d_assert(rv == CORE_OK, return,);
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/* Create the request */
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ret = fd_msg_new(rx_cmd_aar, MSGFL_ALLOC_ETEID, &req);
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d_assert(ret == 0, return,);
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{
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struct msg_hdr * h;
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ret = fd_msg_hdr( req, &h );
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d_assert(ret == 0, return,);
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h->msg_appl = RX_APPLICATION_ID;
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}
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/* Find Diameter Rx Session */
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if (*rx_sid)
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{
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/* Retrieve session by Session-Id */
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size_t sidlen = strlen(*rx_sid);
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ret = fd_sess_fromsid_msg((os0_t)(*rx_sid), sidlen, &session, &new);
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d_assert(ret == 0, return,);
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d_assert(new == 0, return,);
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/* Add Session-Id to the message */
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ret = fd_message_session_id_set(req, (os0_t)(*rx_sid), sidlen);
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d_assert(ret == 0, return,);
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/* Save the session associated with the message */
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ret = fd_msg_sess_set(req, session);
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}
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else
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{
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/* Create a new session */
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#define RX_APP_SID_OPT "app_rx"
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ret = fd_msg_new_session(req, (os0_t)RX_APP_SID_OPT,
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CONSTSTRLEN(RX_APP_SID_OPT));
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d_assert(ret == 0, return,);
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ret = fd_msg_sess_get(fd_g_config->cnf_dict, req, &session, NULL);
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d_assert(ret == 0, return,);
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}
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/* Retrieve session state in this session */
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ret = fd_sess_state_retrieve(pcscf_rx_reg, session, &sess_data);
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if (!sess_data)
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{
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os0_t sid;
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size_t sidlen;
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ret = fd_sess_getsid(session, &sid, &sidlen);
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d_assert(ret == 0, return,);
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/* Allocate new session state memory */
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sess_data = new_state(sid);
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d_assert(sess_data, return,);
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/* Save Session-Id to PGW Session Context */
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*rx_sid = (c_int8_t *)sess_data->rx_sid;
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}
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/* Set Origin-Host & Origin-Realm */
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ret = fd_msg_add_origin(req, 0);
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d_assert(ret == 0, return,);
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/* Set the Destination-Realm AVP */
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ret = fd_msg_avp_new(fd_destination_realm, 0, &avp);
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d_assert(ret == 0, return,);
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val.os.data = (unsigned char *)(fd_g_config->cnf_diamrlm);
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val.os.len = strlen(fd_g_config->cnf_diamrlm);
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ret = fd_msg_avp_setvalue(avp, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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/* Set the Auth-Application-Id AVP */
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ret = fd_msg_avp_new(fd_auth_application_id, 0, &avp);
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d_assert(ret == 0, return,);
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val.i32 = RX_APPLICATION_ID;
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ret = fd_msg_avp_setvalue(avp, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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/* Set Subscription-Id */
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ret = fd_msg_avp_new(rx_subscription_id, 0, &avp);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_subscription_id_type, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.i32 = RX_SUBSCRIPTION_ID_TYPE_END_USER_IMSI;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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#define RX_APP_IMSI_BCD "0123456789012345"
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ret = fd_msg_avp_new(rx_subscription_id_data, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.os.data = (c_uint8_t *)RX_APP_IMSI_BCD;
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val.os.len = strlen(RX_APP_IMSI_BCD);
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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if (ipsub.family == AF_INET)
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{
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/* Set Framed-IP-Address */
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ret = fd_msg_avp_new(rx_framed_ip_address, 0, &avp);
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d_assert(ret == 0, return,);
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val.os.data = (c_uint8_t*)ipsub.sub;
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val.os.len = IPV4_LEN;
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ret = fd_msg_avp_setvalue(avp, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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}
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else if (ipsub.family == AF_INET6)
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{
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/* Set Framed-IPv6-Prefix */
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ret = fd_msg_avp_new(rx_framed_ipv6_prefix, 0, &avp);
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d_assert(ret == 0, return,);
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memset(&paa, 0, sizeof(paa_t));
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memcpy(paa.addr6, ipsub.sub, IPV6_LEN);
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paa.pdn_type = 0x03;
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#define FRAMED_IPV6_PREFIX_LENGTH 128 /* from spec document */
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paa.len = FRAMED_IPV6_PREFIX_LENGTH;
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val.os.data = (c_uint8_t*)&paa;
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val.os.len = PAA_IPV6_LEN;
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ret = fd_msg_avp_setvalue(avp, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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}
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/* Set Media-Component-Description */
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ret = fd_msg_avp_new(rx_media_component_description, 0, &avp);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_media_component_number, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.i32 = 1;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_media_type, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.i32 = RX_MEDIA_TYPE_AUDIO;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_max_requested_bandwidth_dl, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.i32 = 96000;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_max_requested_bandwidth_ul, 0, &avpch1);
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d_assert(ret == 0, return,);
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val.i32 = 96000;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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/* Set Media-Sub-Component #1 */
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ret = fd_msg_avp_new(rx_media_sub_component, 0, &avpch1);
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ret = fd_msg_avp_new(rx_flow_number, 0, &avpch2);
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d_assert(ret == 0, return,);
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val.i32 = 1;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_flow_description, 0, &avpch2);
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d_assert(ret == 0, return,);
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#define TEST_RX_FLOW_DESC1 \
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"permit out 17 from 172.20.166.84 to 172.18.128.20 20001"
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val.os.data = (c_uint8_t *)TEST_RX_FLOW_DESC1;
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val.os.len = strlen(TEST_RX_FLOW_DESC1);
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_flow_description, 0, &avpch2);
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d_assert(ret == 0, return,);
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#define TEST_RX_FLOW_DESC2 \
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"permit in 17 from 172.18.128.20 to 172.20.166.84 20360"
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val.os.data = (c_uint8_t *)TEST_RX_FLOW_DESC2;
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val.os.len = strlen(TEST_RX_FLOW_DESC2);
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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/* Set Media-Sub-Component #2 */
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ret = fd_msg_avp_new(rx_media_sub_component, 0, &avpch1);
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ret = fd_msg_avp_new(rx_flow_number, 0, &avpch2);
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d_assert(ret == 0, return,);
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val.i32 = 2;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_flow_usage, 0, &avpch2);
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d_assert(ret == 0, return,);
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val.i32 = RX_FLOW_USAGE_RTCP;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_flow_description, 0, &avpch2);
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d_assert(ret == 0, return,);
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#define TEST_RX_FLOW_DESC3 \
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"permit out 17 from 172.20.166.84 to 172.18.128.20 20002"
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val.os.data = (c_uint8_t *)TEST_RX_FLOW_DESC3;
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val.os.len = strlen(TEST_RX_FLOW_DESC3);
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_new(rx_flow_description, 0, &avpch2);
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d_assert(ret == 0, return,);
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#define TEST_RX_FLOW_DESC4 \
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"permit in 17 from 172.18.128.20 to 172.20.166.84 20361"
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val.os.data = (c_uint8_t *)TEST_RX_FLOW_DESC4;
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val.os.len = strlen(TEST_RX_FLOW_DESC4);
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ret = fd_msg_avp_setvalue (avpch2, &val);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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d_assert(ret == 0, return,);
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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d_assert(ret == 0, return,);
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ret = clock_gettime(CLOCK_REALTIME, &sess_data->ts);
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d_assert(ret == 0, return,);
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/* Keep a pointer to the session data for debug purpose,
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* in real life we would not need it */
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svg = sess_data;
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/* Store this value in the session */
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ret = fd_sess_state_store(pcscf_rx_reg, session, &sess_data);
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d_assert(ret == 0, return,);
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d_assert(sess_data == NULL,,);
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/* Send the request */
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ret = fd_msg_send(&req, pcscf_rx_aaa_cb, svg);
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d_assert(ret == 0,,);
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/* Increment the counter */
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d_assert(pthread_mutex_lock(&fd_logger_self()->stats_lock) == 0,,);
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fd_logger_self()->stats.nb_sent++;
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d_assert(pthread_mutex_unlock(&fd_logger_self()->stats_lock) == 0,,);
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}
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static void pcscf_rx_aaa_cb(void *data, struct msg **msg)
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{
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int ret;
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struct sess_state *sess_data = NULL;
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struct timespec ts;
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struct session *session;
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struct avp *avp, *avpch1;
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struct avp_hdr *hdr;
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unsigned long dur;
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int error = 0;
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int new;
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c_int32_t result_code = 0;
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ret = clock_gettime(CLOCK_REALTIME, &ts);
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d_assert(ret == 0, return,);
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/* Search the session, retrieve its data */
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ret = fd_msg_sess_get(fd_g_config->cnf_dict, *msg, &session, &new);
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d_assert(ret == 0, return,);
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d_assert(new == 0, return, );
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ret = fd_sess_state_retrieve(pcscf_rx_reg, session, &sess_data);
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d_assert(ret == 0, return,);
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d_assert(sess_data && (void *)sess_data == data, return, );
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/* Value of Result Code */
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ret = fd_msg_search_avp(*msg, fd_result_code, &avp);
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d_assert(ret == 0, return,);
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if (avp)
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{
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ret = fd_msg_avp_hdr(avp, &hdr);
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d_assert(ret == 0, return,);
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result_code = hdr->avp_value->i32;
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d_trace(3, "Result Code: %d\n", hdr->avp_value->i32);
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}
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else
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{
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ret = fd_msg_search_avp(*msg, fd_experimental_result, &avp);
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d_assert(ret == 0, return,);
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if (avp)
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{
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ret = fd_avp_search_avp(avp, fd_experimental_result_code, &avpch1);
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d_assert(ret == 0, return,);
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if (avpch1)
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{
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ret = fd_msg_avp_hdr(avpch1, &hdr);
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d_assert(ret == 0, return,);
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result_code = hdr->avp_value->i32;
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d_trace(3, "Experimental Result Code: %d\n",
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result_code);
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}
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}
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else
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{
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d_error("no Result-Code");
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error++;
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}
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}
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/* Value of Origin-Host */
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ret = fd_msg_search_avp(*msg, fd_origin_host, &avp);
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d_assert(ret == 0, return,);
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if (avp)
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{
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ret = fd_msg_avp_hdr(avp, &hdr);
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d_assert(ret == 0, return,);
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d_trace(3, "From '%.*s' ",
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(int)hdr->avp_value->os.len, hdr->avp_value->os.data);
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}
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else
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{
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|
d_error("no_Origin-Host ");
|
|
error++;
|
|
}
|
|
|
|
/* Value of Origin-Realm */
|
|
ret = fd_msg_search_avp(*msg, fd_origin_realm, &avp);
|
|
d_assert(ret == 0, return,);
|
|
if (avp)
|
|
{
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
d_assert(ret == 0, return,);
|
|
d_trace(3, "('%.*s') ",
|
|
(int)hdr->avp_value->os.len, hdr->avp_value->os.data);
|
|
}
|
|
else
|
|
{
|
|
d_error("no_Origin-Realm ");
|
|
error++;
|
|
}
|
|
|
|
if (result_code != ER_DIAMETER_SUCCESS)
|
|
{
|
|
d_warn("ERROR DIAMETER Result Code(%d)", result_code);
|
|
error++;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
/* Free the message */
|
|
d_assert(pthread_mutex_lock(&fd_logger_self()->stats_lock) == 0,, );
|
|
dur = ((ts.tv_sec - sess_data->ts.tv_sec) * 1000000) +
|
|
((ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
if (fd_logger_self()->stats.nb_recv)
|
|
{
|
|
/* Ponderate in the avg */
|
|
fd_logger_self()->stats.avg = (fd_logger_self()->stats.avg *
|
|
fd_logger_self()->stats.nb_recv + dur) /
|
|
(fd_logger_self()->stats.nb_recv + 1);
|
|
/* Min, max */
|
|
if (dur < fd_logger_self()->stats.shortest)
|
|
fd_logger_self()->stats.shortest = dur;
|
|
if (dur > fd_logger_self()->stats.longest)
|
|
fd_logger_self()->stats.longest = dur;
|
|
}
|
|
else
|
|
{
|
|
fd_logger_self()->stats.shortest = dur;
|
|
fd_logger_self()->stats.longest = dur;
|
|
fd_logger_self()->stats.avg = dur;
|
|
}
|
|
if (error)
|
|
fd_logger_self()->stats.nb_errs++;
|
|
else
|
|
fd_logger_self()->stats.nb_recv++;
|
|
|
|
d_assert(pthread_mutex_unlock(&fd_logger_self()->stats_lock) == 0,, );
|
|
|
|
/* Display how long it took */
|
|
if (ts.tv_nsec > sess_data->ts.tv_nsec)
|
|
d_trace(3, "in %d.%06ld sec\n",
|
|
(int)(ts.tv_sec - sess_data->ts.tv_sec),
|
|
(long)(ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
else
|
|
d_trace(3, "in %d.%06ld sec\n",
|
|
(int)(ts.tv_sec + 1 - sess_data->ts.tv_sec),
|
|
(long)(1000000000 + ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
|
|
ret = fd_sess_state_store(pcscf_rx_reg, session, &sess_data);
|
|
d_assert(ret == 0, return,);
|
|
d_assert(sess_data == NULL, return,);
|
|
|
|
ret = fd_msg_free(*msg);
|
|
d_assert(ret == 0,,);
|
|
*msg = NULL;
|
|
|
|
return;
|
|
}
|
|
|
|
void pcscf_fd_config()
|
|
{
|
|
memset(&fd_config, 0, sizeof(fd_config_t));
|
|
|
|
fd_config.cnf_diamid = "pcscf.open-ims.test";
|
|
fd_config.cnf_diamrlm = "open-ims.test";
|
|
fd_config.cnf_port = DIAMETER_PORT;
|
|
fd_config.cnf_port_tls = DIAMETER_SECURE_PORT;
|
|
fd_config.cnf_flags.no_sctp = 1;
|
|
fd_config.cnf_addr = "127.0.0.1";
|
|
|
|
fd_config.ext[fd_config.num_of_ext].module = "dbg_msg_dumps.so";
|
|
fd_config.ext[fd_config.num_of_ext].conf = "0x8888";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_rfc5777.so";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_mip6i.so";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_nasreq.so";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_nas_mipv6.so";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_dcca.so";
|
|
fd_config.num_of_ext++;
|
|
fd_config.ext[fd_config.num_of_ext].module = "dict_dcca_3gpp.so";
|
|
fd_config.num_of_ext++;
|
|
|
|
fd_config.conn[fd_config.num_of_conn].identity = "pcrf.open-ims.test";
|
|
fd_config.conn[fd_config.num_of_conn].addr = "127.0.0.5";
|
|
fd_config.num_of_conn++;
|
|
}
|
|
|
|
status_t pcscf_fd_init(void)
|
|
{
|
|
int ret;
|
|
pool_init(&pcscf_rx_sess_pool, MAX_NUM_SESSION_STATE);
|
|
|
|
pcscf_fd_config();
|
|
|
|
ret = fd_init(FD_MODE_CLIENT, NULL, &fd_config);
|
|
d_assert(ret == 0, return CORE_ERROR,);
|
|
|
|
ret = rx_dict_init();
|
|
d_assert(ret == 0, return CORE_ERROR,);
|
|
|
|
ret = fd_sess_handler_create(&pcscf_rx_reg, pcscf_rx_sess_cleanup,
|
|
NULL, NULL);
|
|
d_assert(ret == 0, return CORE_ERROR,);
|
|
|
|
/* Advertise the support for the application in the peer */
|
|
ret = fd_disp_app_support(rx_application, fd_vendor, 1, 0);
|
|
d_assert(ret == 0, return CORE_ERROR,);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void pcscf_fd_final(void)
|
|
{
|
|
int ret;
|
|
ret = fd_sess_handler_destroy(&pcscf_rx_reg, NULL);
|
|
d_assert(ret == 0,,);
|
|
|
|
fd_final();
|
|
|
|
if (pool_used(&pcscf_rx_sess_pool))
|
|
d_error("%d not freed in pcscf_rx_sess_pool[%d] of S6A-SM",
|
|
pool_used(&pcscf_rx_sess_pool), pool_size(&pcscf_rx_sess_pool));
|
|
d_trace(3, "%d not freed in pcscf_rx_sess_pool[%d] of S6A-SM\n",
|
|
pool_used(&pcscf_rx_sess_pool), pool_size(&pcscf_rx_sess_pool));
|
|
|
|
pool_final(&pcscf_rx_sess_pool);
|
|
}
|