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authorHolger Hans Peter Freyther <holger@moiji-mobile.com>2015-05-12 20:06:47 +0200
committerHolger Hans Peter Freyther <holger@moiji-mobile.com>2015-05-12 20:06:47 +0200
commit7882d2751f401d439394ff94da55ed2c0e8781e3 (patch)
treee65e29b5e7832bae4fefaefe3212c4104dfbd3b4
parent4c8e8f990a24fc5ecb24c5c21c944d8ab4dc7c1e (diff)
parentc15c61c401e6f934fbf35c0c87d0777ff857f7c6 (diff)
Merge branch 'zecke/features/cdr'
Add an optional CDR module. This will create a rotatable log file, detect rotation and try to write as many information as possible.
-rw-r--r--openbsc/include/openbsc/gprs_sgsn.h6
-rw-r--r--openbsc/include/openbsc/sgsn.h14
-rw-r--r--openbsc/include/openbsc/signal.h21
-rw-r--r--openbsc/src/gprs/Makefile.am2
-rw-r--r--openbsc/src/gprs/gprs_gmm.c65
-rw-r--r--openbsc/src/gprs/gprs_sgsn.c21
-rw-r--r--openbsc/src/gprs/sgsn_cdr.c254
-rw-r--r--openbsc/src/gprs/sgsn_libgtp.c17
-rw-r--r--openbsc/src/gprs/sgsn_main.c1
-rw-r--r--openbsc/src/gprs/sgsn_vty.c36
-rw-r--r--openbsc/tests/sgsn/sgsn_test.c4
-rw-r--r--openbsc/tests/vty_test_runner.py28
12 files changed, 464 insertions, 5 deletions
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h
index 7a429cda..c88a2bbe 100644
--- a/openbsc/include/openbsc/gprs_sgsn.h
+++ b/openbsc/include/openbsc/gprs_sgsn.h
@@ -152,7 +152,6 @@ struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi);
/* Allocate a new SGSN MM context */
struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli,
const struct gprs_ra_id *raid);
-void sgsn_mm_ctx_free(struct sgsn_mm_ctx *mm);
void sgsn_mm_ctx_cleanup_free(struct sgsn_mm_ctx *ctx);
struct sgsn_ggsn_ctx *sgsn_mm_ctx_find_ggsn_ctx(struct sgsn_mm_ctx *mmctx,
@@ -208,6 +207,11 @@ struct sgsn_pdp_ctx {
struct osmo_timer_list timer;
unsigned int T; /* Txxxx number */
unsigned int num_T_exp; /* number of consecutive T expirations */
+
+ struct osmo_timer_list cdr_timer; /* CDR record wird timer */
+ struct timespec cdr_start; /* The start of the CDR */
+ uint64_t cdr_bytes_in;
+ uint64_t cdr_bytes_out;
};
#define LOGPDPCTXP(level, pdp, fmt, args...) \
diff --git a/openbsc/include/openbsc/sgsn.h b/openbsc/include/openbsc/sgsn.h
index 7d3a68c4..0f9a59f2 100644
--- a/openbsc/include/openbsc/sgsn.h
+++ b/openbsc/include/openbsc/sgsn.h
@@ -16,6 +16,11 @@ enum sgsn_auth_policy {
SGSN_AUTH_POLICY_REMOTE
};
+struct sgsn_cdr {
+ char *filename;
+ int interval;
+};
+
struct sgsn_config {
/* parsed from config file */
@@ -33,6 +38,9 @@ struct sgsn_config {
int require_authentication;
int require_update_location;
+
+ /* CDR configuration */
+ struct sgsn_cdr cdr;
};
struct sgsn_instance {
@@ -85,4 +93,10 @@ int sndcp_unitdata_req(struct msgb *msg, struct gprs_llc_lle *lle, uint8_t nsapi
int sndcp_llunitdata_ind(struct msgb *msg, struct gprs_llc_lle *lle,
uint8_t *hdr, uint16_t len);
+
+/*
+ * CDR related functionality
+ */
+int sgsn_cdr_init(struct sgsn_instance *sgsn);
+
#endif
diff --git a/openbsc/include/openbsc/signal.h b/openbsc/include/openbsc/signal.h
index 39319f1c..8f27b383 100644
--- a/openbsc/include/openbsc/signal.h
+++ b/openbsc/include/openbsc/signal.h
@@ -1,5 +1,5 @@
/* Generic signalling/notification infrastructure */
-/* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+/* (C) 2009-2010, 2015 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009 by Harald Welte <laforge@gnumonks.org>
* (C) 2010 by On-Waves
* All Rights Reserved
@@ -46,6 +46,7 @@ enum signal_subsystems {
SS_MSC,
SS_HO,
SS_CCCH,
+ SS_SGSN,
};
/* SS_PAGING signals */
@@ -241,4 +242,22 @@ struct ccch_signal_data {
uint16_t rach_access_count;
};
+/* GPRS SGSN signals SS_SGSN */
+enum signal_sgsn {
+ S_SGSN_ATTACH,
+ S_SGSN_DETACH,
+ S_SGSN_UPDATE,
+ S_SGSN_PDP_ACT,
+ S_SGSN_PDP_DEACT,
+ S_SGSN_PDP_TERMINATE,
+ S_SGSN_PDP_FREE,
+ S_SGSN_MM_FREE,
+};
+
+struct sgsn_mm_ctx;
+struct sgsn_signal_data {
+ struct sgsn_mm_ctx *mm;
+ struct sgsn_pdp_ctx *pdp; /* non-NULL for PDP_ACT, PDP_DEACT, PDP_FREE */
+};
+
#endif
diff --git a/openbsc/src/gprs/Makefile.am b/openbsc/src/gprs/Makefile.am
index bc3e21e1..3d028220 100644
--- a/openbsc/src/gprs/Makefile.am
+++ b/openbsc/src/gprs/Makefile.am
@@ -24,7 +24,7 @@ osmo_sgsn_SOURCES = gprs_gmm.c gprs_sgsn.c gprs_sndcp.c gprs_sndcp_vty.c \
gprs_llc.c gprs_llc_parse.c gprs_llc_vty.c crc24.c \
sgsn_ctrl.c sgsn_auth.c gprs_subscriber.c \
gprs_gsup_messages.c gprs_utils.c gprs_gsup_client.c \
- gsm_04_08_gprs.c
+ gsm_04_08_gprs.c sgsn_cdr.c
osmo_sgsn_LDADD = \
$(top_builddir)/src/libcommon/libcommon.a \
-lgtp $(OSMO_LIBS) $(LIBOSMOABIS_LIBS) -lrt
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c
index ace0c2ec..8ada3d41 100644
--- a/openbsc/src/gprs/gprs_gmm.c
+++ b/openbsc/src/gprs/gprs_gmm.c
@@ -52,6 +52,7 @@
#include <openbsc/gprs_gmm.h>
#include <openbsc/gprs_utils.h>
#include <openbsc/sgsn.h>
+#include <openbsc/signal.h>
#include <pdp.h>
@@ -545,9 +546,45 @@ static int gsm48_rx_gmm_auth_ciph_resp(struct sgsn_mm_ctx *ctx,
return gsm48_gmm_authorize(ctx);
}
+static void extract_subscr_msisdn(struct sgsn_mm_ctx *ctx)
+{
+ struct gsm_mncc_number called;
+ uint8_t msisdn[sizeof(ctx->subscr->sgsn_data->msisdn) + 1];
+
+ /* Convert MSISDN from encoded to string.. */
+ if (!ctx->subscr)
+ return;
+
+ if (ctx->subscr->sgsn_data->msisdn_len < 1)
+ return;
+
+ /* prepare the data for the decoder */
+ memset(&called, 0, sizeof(called));
+ msisdn[0] = ctx->subscr->sgsn_data->msisdn_len;
+ memcpy(&msisdn[1], ctx->subscr->sgsn_data->msisdn,
+ ctx->subscr->sgsn_data->msisdn_len);
+
+ /* decode the string now */
+ gsm48_decode_called(&called, msisdn);
+
+ /* Prepend a '+' for international numbers */
+ if (called.plan == 1 && called.type == 1) {
+ ctx->msisdn[0] = '+';
+ strncpy(&ctx->msisdn[1], called.number,
+ sizeof(ctx->msisdn) - 1);
+ } else {
+ strncpy(&ctx->msisdn[0], called.number,
+ sizeof(ctx->msisdn) - 1);
+ }
+}
+
/* Check if we can already authorize a subscriber */
static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
{
+#ifndef PTMSI_ALLOC
+ struct sgsn_signal_data sig_data;
+#endif
+
/* Request IMSI and IMEI from the MS if they are unknown */
if (!strlen(ctx->imei)) {
ctx->t3370_id_type = GSM_MI_TYPE_IMEI;
@@ -604,11 +641,16 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
"no pending request, authorization completed\n");
break;
case GSM48_MT_GMM_ATTACH_REQ:
+
+ extract_subscr_msisdn(ctx);
#ifdef PTMSI_ALLOC
/* Start T3350 and re-transmit up to 5 times until ATTACH COMPLETE */
mmctx_timer_start(ctx, 3350, GSM0408_T3350_SECS);
ctx->t3350_mode = GMM_T3350_MODE_ATT;
#else
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = mmctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_ATTACH, &sig_data);
ctx->mm_state = GMM_REGISTERED_NORMAL;
#endif
@@ -942,8 +984,13 @@ static int gsm48_rx_gmm_det_req(struct sgsn_mm_ctx *ctx, struct msgb *msg)
rc = gsm48_tx_gmm_det_ack_oldmsg(msg, 0);
}
- if (ctx)
+ if (ctx) {
+ struct sgsn_signal_data sig_data;
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = ctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_DETACH, &sig_data);
mm_ctx_cleanup_free(ctx, "GPRS DETACH REQUEST");
+ }
return rc;
}
@@ -1049,6 +1096,9 @@ static void process_ms_ctx_status(struct sgsn_mm_ctx *mmctx,
static int gsm48_rx_gmm_ra_upd_req(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
struct gprs_llc_llme *llme)
{
+#ifndef PTMSI_ALLOC
+ struct sgsn_signal_data sig_data;
+#endif
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg);
uint8_t *cur = gh->data;
uint8_t ms_ra_acc_cap_len;
@@ -1134,6 +1184,10 @@ static int gsm48_rx_gmm_ra_upd_req(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
#else
/* Make sure we are NORMAL (i.e. not SUSPENDED anymore) */
mmctx->mm_state = GMM_REGISTERED_NORMAL;
+
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = mmctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_UPDATE, &sig_data);
#endif
/* Even if there is no P-TMSI allocated, the MS will switch from
* foreign TLLI to local TLLI */
@@ -1183,6 +1237,7 @@ static int gsm48_rx_gmm_status(struct sgsn_mm_ctx *mmctx, struct msgb *msg)
static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
struct gprs_llc_llme *llme)
{
+ struct sgsn_signal_data sig_data;
struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg);
int rc;
@@ -1264,6 +1319,10 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
GPRS_ALGO_GEA0, NULL);
mmctx->mm_state = GMM_REGISTERED_NORMAL;
rc = 0;
+
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = mmctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_ATTACH, &sig_data);
break;
case GSM48_MT_GMM_RA_UPD_COMPL:
/* only in case SGSN offered new P-TMSI */
@@ -1278,6 +1337,10 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg,
GPRS_ALGO_GEA0, NULL);
mmctx->mm_state = GMM_REGISTERED_NORMAL;
rc = 0;
+
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = mmctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_UPDATE, &sig_data);
break;
case GSM48_MT_GMM_PTMSI_REALL_COMPL:
LOGMMCTXP(LOGL_INFO, mmctx, "-> PTMSI REALLLICATION COMPLETE\n");
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c
index 711540e0..5fe4e616 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -36,6 +36,7 @@
#include <openbsc/gsm_04_08_gprs.h>
#include <openbsc/gprs_gmm.h>
#include <openbsc/gprs_utils.h>
+#include <openbsc/signal.h>
#include "openbsc/gprs_llc.h"
#include <time.h>
@@ -183,7 +184,7 @@ struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli,
/* this is a hard _free_ function, it doesn't clean up the PDP contexts
* in libgtp! */
-void sgsn_mm_ctx_free(struct sgsn_mm_ctx *mm)
+static void sgsn_mm_ctx_free(struct sgsn_mm_ctx *mm)
{
struct sgsn_pdp_ctx *pdp, *pdp2;
@@ -204,6 +205,7 @@ void sgsn_mm_ctx_cleanup_free(struct sgsn_mm_ctx *mm)
struct gprs_llc_llme *llme = mm->llme;
uint32_t tlli = mm->tlli;
struct sgsn_pdp_ctx *pdp, *pdp2;
+ struct sgsn_signal_data sig_data;
/* delete all existing PDP contexts for this MS */
llist_for_each_entry_safe(pdp, pdp2, &mm->pdp_list, list) {
@@ -217,6 +219,11 @@ void sgsn_mm_ctx_cleanup_free(struct sgsn_mm_ctx *mm)
osmo_timer_del(&mm->timer);
}
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.mm = mm;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_MM_FREE, &sig_data);
+
+
/* Detach from subscriber which is possibly freed then */
if (mm->subscr) {
struct gsm_subscriber *subscr = subscr_get(mm->subscr);
@@ -289,6 +296,8 @@ struct sgsn_pdp_ctx *sgsn_pdp_ctx_alloc(struct sgsn_mm_ctx *mm,
*/
void sgsn_pdp_ctx_terminate(struct sgsn_pdp_ctx *pdp)
{
+ struct sgsn_signal_data sig_data;
+
OSMO_ASSERT(pdp->mm != NULL);
/* There might still be pending callbacks in libgtp. So the parts of
@@ -299,6 +308,10 @@ void sgsn_pdp_ctx_terminate(struct sgsn_pdp_ctx *pdp)
/* Force the deactivation of the SNDCP layer */
sndcp_sm_deactivate_ind(&pdp->mm->llme->lle[pdp->sapi], pdp->nsapi);
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.pdp = pdp;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_PDP_TERMINATE, &sig_data);
+
/* Detach from MM context */
llist_del(&pdp->list);
pdp->mm = NULL;
@@ -313,6 +326,12 @@ void sgsn_pdp_ctx_terminate(struct sgsn_pdp_ctx *pdp)
*/
void sgsn_pdp_ctx_free(struct sgsn_pdp_ctx *pdp)
{
+ struct sgsn_signal_data sig_data;
+
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.pdp = pdp;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_PDP_FREE, &sig_data);
+
rate_ctr_group_free(pdp->ctrg);
if (pdp->mm)
llist_del(&pdp->list);
diff --git a/openbsc/src/gprs/sgsn_cdr.c b/openbsc/src/gprs/sgsn_cdr.c
new file mode 100644
index 00000000..0fcdd3b2
--- /dev/null
+++ b/openbsc/src/gprs/sgsn_cdr.c
@@ -0,0 +1,254 @@
+/* GPRS SGSN CDR dumper */
+
+/* (C) 2015 by Holger Hans Peter Freyther
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <openbsc/sgsn.h>
+#include <openbsc/signal.h>
+#include <openbsc/gprs_utils.h>
+#include <openbsc/debug.h>
+
+#include <openbsc/vty.h>
+
+#include <gtp.h>
+#include <pdp.h>
+
+#include <arpa/inet.h>
+
+#include <time.h>
+
+#include <stdio.h>
+#include <inttypes.h>
+
+/* TODO...avoid going through a global */
+extern struct sgsn_instance *sgsn;
+
+/**
+ * The CDR module will generate an entry like:
+ *
+ * IMSI, # Subscriber IMSI
+ * IMEI, # Subscriber IMEI
+ * MSISDN, # Subscriber MISDN
+ * Charging_Timestamp, # Event start Time
+ * Charging_UTC, # Time zone of event start time
+ * Duration, # Session DURATION
+ * Cell_Id, # CELL_ID
+ * Location_Area, # LAC
+ * GGSN_ADDR, # GGSN_ADDR
+ * SGSN_ADDR, # SGSN_ADDR
+ * APNI, # APNI
+ * PDP_ADDR, # PDP_ADDR
+ * VOL_IN, # VOL_IN in Bytes
+ * VOL_OUT, # VOL_OUT in Bytes
+ * CAUSE_FOR_TERM, # CAUSE_FOR_TERM
+ */
+
+
+static void maybe_print_header(FILE *cdr_file)
+{
+ if (ftell(cdr_file) != 0)
+ return;
+
+ fprintf(cdr_file, "timestamp,imsi,imei,msisdn,cell_id,lac,event,pdp_duration,ggsn_addr,sgsn_addr,apni,eua_addr,vol_in,vol_out\n");
+}
+
+static void cdr_log_mm(struct sgsn_instance *inst, const char *ev,
+ struct sgsn_mm_ctx *mmctx)
+{
+ FILE *cdr_file;
+ struct tm tm;
+ struct timeval tv;
+
+ if (!inst->cfg.cdr.filename)
+ return;
+
+ cdr_file = fopen(inst->cfg.cdr.filename, "a");
+ if (!cdr_file) {
+ LOGP(DGPRS, LOGL_ERROR, "Failed to open %s\n",
+ inst->cfg.cdr.filename);
+ return;
+ }
+
+ maybe_print_header(cdr_file);
+ gettimeofday(&tv, NULL);
+ gmtime_r(&tv.tv_sec, &tm);
+ fprintf(cdr_file, "%04d%02d%02d%02d%02d%02d%03d,%s,%s,%s,%d,%d,%s\n",
+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+ tm.tm_hour, tm.tm_min, tm.tm_sec,
+ (int)(tv.tv_usec / 1000),
+ mmctx->imsi,
+ mmctx->imei,
+ mmctx->msisdn,
+ mmctx->cell_id,
+ mmctx->ra.lac,
+ ev);
+
+ fclose(cdr_file);
+}
+
+static void extract_eua(struct ul66_t *eua, char *eua_addr)
+{
+ if (eua->l < 2)
+ return;
+
+ /* there is no addr for ETSI/PPP */
+ if ((eua->v[0] & 0x0F) != 1) {
+ strcpy(eua_addr, "ETSI");
+ return;
+ }
+
+ if (eua->v[1] == 0x21 && eua->l == 6)
+ inet_ntop(AF_INET, &eua->v[2], eua_addr, INET_ADDRSTRLEN);
+ else if (eua->v[1] == 0x57 && eua->l == 18)
+ inet_ntop(AF_INET6, &eua->v[2], eua_addr, INET6_ADDRSTRLEN);
+ else {
+ /* e.g. both IPv4 and IPv6 */
+ strcpy(eua_addr, "Unknown address");
+ }
+}
+
+static void cdr_log_pdp(struct sgsn_instance *inst, const char *ev,
+ struct sgsn_pdp_ctx *pdp)
+{
+ FILE *cdr_file;
+ char apni[(pdp->lib ? pdp->lib->apn_use.l : 0) + 1];
+ char ggsn_addr[INET_ADDRSTRLEN + 1];
+ char sgsn_addr[INET_ADDRSTRLEN + 1];
+ char eua_addr[INET6_ADDRSTRLEN + 1];
+ struct tm tm;
+ struct timeval tv;
+ time_t duration;
+ struct timespec tp;
+
+ if (!inst->cfg.cdr.filename)
+ return;
+
+ memset(apni, 0, sizeof(apni));
+ memset(ggsn_addr, 0, sizeof(ggsn_addr));
+ memset(eua_addr, 0, sizeof(eua_addr));
+
+
+ if (pdp->lib) {
+ gprs_apn_to_str(apni, pdp->lib->apn_use.v, pdp->lib->apn_use.l);
+ inet_ntop(AF_INET, &pdp->lib->hisaddr0.s_addr, ggsn_addr, sizeof(ggsn_addr));
+ extract_eua(&pdp->lib->eua, eua_addr);
+ }
+
+ if (pdp->ggsn)
+ inet_ntop(AF_INET, &pdp->ggsn->gsn->gsnc.s_addr, sgsn_addr, sizeof(sgsn_addr));
+
+ cdr_file = fopen(inst->cfg.cdr.filename, "a");
+ if (!cdr_file) {
+ LOGP(DGPRS, LOGL_ERROR, "Failed to open %s\n",
+ inst->cfg.cdr.filename);
+ return;
+ }
+
+ maybe_print_header(cdr_file);
+
+ clock_gettime(CLOCK_MONOTONIC, &tp);
+ gettimeofday(&tv, NULL);
+
+ /* convert the timestamp to UTC */
+ gmtime_r(&tv.tv_sec, &tm);
+
+ /* Check the duration of the PDP context */
+ duration = tp.tv_sec - pdp->cdr_start.tv_sec;
+
+ fprintf(cdr_file,
+ "%04d%02d%02d%02d%02d%02d%03d,%s,%s,%s,%d,%d,%s,%ld,%s,%s,%s,%s,%" PRIu64 ",%" PRIu64 "\n",
+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+ tm.tm_hour, tm.tm_min, tm.tm_sec,
+ (int)(tv.tv_usec / 1000),
+ pdp->mm ? pdp->mm->imsi : "N/A",
+ pdp->mm ? pdp->mm->imei : "N/A",
+ pdp->mm ? pdp->mm->msisdn : "N/A",
+ pdp->mm ? pdp->mm->cell_id : -1,
+ pdp->mm ? pdp->mm->ra.lac : -1,
+ ev,
+ (unsigned long ) duration,
+ ggsn_addr,
+ sgsn_addr,
+ apni,
+ eua_addr,
+ pdp->cdr_bytes_in,
+ pdp->cdr_bytes_out);
+ fclose(cdr_file);
+}
+
+static void cdr_pdp_timeout(void *_data)
+{
+ struct sgsn_pdp_ctx *pdp = _data;
+ cdr_log_pdp(sgsn, "pdp-periodic", pdp);
+ osmo_timer_schedule(&pdp->cdr_timer, sgsn->cfg.cdr.interval, 0);
+}
+
+static int handle_sgsn_sig(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *_signal_data)
+{
+ struct sgsn_signal_data *signal_data = _signal_data;
+ struct sgsn_instance *inst = handler_data;
+
+ if (subsys != SS_SGSN)
+ return 0;
+
+ switch (signal) {
+ case S_SGSN_ATTACH:
+ cdr_log_mm(inst, "attach", signal_data->mm);
+ break;
+ case S_SGSN_UPDATE:
+ cdr_log_mm(inst, "update", signal_data->mm);
+ break;
+ case S_SGSN_DETACH:
+ cdr_log_mm(inst, "detach", signal_data->mm);
+ break;
+ case S_SGSN_MM_FREE:
+ cdr_log_mm(inst, "free", signal_data->mm);
+ break;
+ case S_SGSN_PDP_ACT:
+ clock_gettime(CLOCK_MONOTONIC, &signal_data->pdp->cdr_start);
+ cdr_log_pdp(inst, "pdp-act", signal_data->pdp);
+ signal_data->pdp->cdr_timer.cb = cdr_pdp_timeout;
+ signal_data->pdp->cdr_timer.data = signal_data->pdp;
+ osmo_timer_schedule(&signal_data->pdp->cdr_timer, inst->cfg.cdr.interval, 0);
+ break;
+ case S_SGSN_PDP_DEACT:
+ cdr_log_pdp(inst, "pdp-deact", signal_data->pdp);
+ osmo_timer_del(&signal_data->pdp->cdr_timer);
+ break;
+ case S_SGSN_PDP_TERMINATE:
+ cdr_log_pdp(inst, "pdp-terminate", signal_data->pdp);
+ osmo_timer_del(&signal_data->pdp->cdr_timer);
+ break;
+ case S_SGSN_PDP_FREE:
+ cdr_log_pdp(inst, "pdp-free", signal_data->pdp);
+ osmo_timer_del(&signal_data->pdp->cdr_timer);
+ break;
+ }
+
+ return 0;
+}
+
+int sgsn_cdr_init(struct sgsn_instance *sgsn)
+{
+ /* register for CDR related events */
+ sgsn->cfg.cdr.interval = 10 * 60;
+ osmo_signal_register_handler(SS_SGSN, handle_sgsn_sig, sgsn);
+
+ return 0;
+}
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index eee3ef21..9972cddf 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -287,6 +287,7 @@ static const struct cause_map gtp2sm_cause_map[] = {
/* The GGSN has confirmed the creation of a PDP Context */
static int create_pdp_conf(struct pdp_t *pdp, void *cbp, int cause)
{
+ struct sgsn_signal_data sig_data;
struct sgsn_pdp_ctx *pctx = cbp;
uint8_t reject_cause;
@@ -322,6 +323,11 @@ static int create_pdp_conf(struct pdp_t *pdp, void *cbp, int cause)
/* Activate the SNDCP layer */
sndcp_sm_activate_ind(&pctx->mm->llme->lle[pctx->sapi], pctx->nsapi);
+ /* Inform others about it */
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.pdp = pctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_PDP_ACT, &sig_data);
+
/* Send PDP CTX ACT to MS */
return gsm48_tx_gsm_act_pdp_acc(pctx);
@@ -349,12 +355,17 @@ reject:
/* Confirmation of a PDP Context Delete */
static int delete_pdp_conf(struct pdp_t *pdp, void *cbp, int cause)
{
+ struct sgsn_signal_data sig_data;
struct sgsn_pdp_ctx *pctx = cbp;
int rc = 0;
LOGPDPCTXP(LOGL_INFO, pctx, "Received DELETE PDP CTX CONF, cause=%d(%s)\n",
cause, get_value_string(gtp_cause_strs, cause));
+ memset(&sig_data, 0, sizeof(sig_data));
+ sig_data.pdp = pctx;
+ osmo_signal_dispatch(SS_SGSN, S_SGSN_PDP_DEACT, &sig_data);
+
if (pctx->mm) {
/* Deactivate the SNDCP layer */
sndcp_sm_deactivate_ind(&pctx->mm->llme->lle[pctx->sapi], pctx->nsapi);
@@ -523,6 +534,9 @@ static int cb_data_ind(struct pdp_t *lib, void *packet, unsigned int len)
rate_ctr_inc(&mm->ctrg->ctr[GMM_CTR_PKTS_UDATA_OUT]);
rate_ctr_add(&mm->ctrg->ctr[GMM_CTR_BYTES_UDATA_OUT], len);
+ /* It is easier to have a global count */
+ pdp->cdr_bytes_out += len;
+
return sndcp_unitdata_req(msg, &mm->llme->lle[pdp->sapi],
pdp->nsapi, mm);
}
@@ -558,6 +572,9 @@ int sgsn_rx_sndcp_ud_ind(struct gprs_ra_id *ra_id, int32_t tlli, uint8_t nsapi,
rate_ctr_inc(&mmctx->ctrg->ctr[GMM_CTR_PKTS_UDATA_IN]);
rate_ctr_add(&mmctx->ctrg->ctr[GMM_CTR_BYTES_UDATA_IN], npdu_len);
+ /* It is easier to have a global count */
+ pdp->cdr_bytes_in += npdu_len;
+
return gtp_data_req(pdp->ggsn->gsn, pdp->lib, npdu, npdu_len);
}
diff --git a/openbsc/src/gprs/sgsn_main.c b/openbsc/src/gprs/sgsn_main.c
index 0db90d5c..d5f7f658 100644
--- a/openbsc/src/gprs/sgsn_main.c
+++ b/openbsc/src/gprs/sgsn_main.c
@@ -344,6 +344,7 @@ int main(int argc, char **argv)
gprs_llc_vty_init();
gprs_sndcp_vty_init();
sgsn_auth_init();
+ sgsn_cdr_init(&sgsn_inst);
/* FIXME: register signal handler for SS_L_NS */
rc = sgsn_parse_config(sgsn_inst.config_file, &sgsn_inst.cfg);
diff --git a/openbsc/src/gprs/sgsn_vty.c b/openbsc/src/gprs/sgsn_vty.c
index be575d33..8b6e3ec2 100644
--- a/openbsc/src/gprs/sgsn_vty.c
+++ b/openbsc/src/gprs/sgsn_vty.c
@@ -1,6 +1,7 @@
/*
* (C) 2010-2013 by Harald Welte <laforge@gnumonks.org>
* (C) 2010 by On-Waves
+ * (C) 2015 by Holger Hans Peter Freyther
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
@@ -164,6 +165,12 @@ static int config_write_sgsn(struct vty *vty)
actx->ggsn->id, VTY_NEWLINE);
}
+ if (g_cfg->cdr.filename)
+ vty_out(vty, " cdr filename %s%s", g_cfg->cdr.filename, VTY_NEWLINE);
+ else
+ vty_out(vty, " no cdr filename%s", VTY_NEWLINE);
+ vty_out(vty, " cdr interval %d%s", g_cfg->cdr.interval, VTY_NEWLINE);
+
return CMD_SUCCESS;
}
@@ -811,6 +818,32 @@ DEFUN(cfg_no_apn_name, cfg_no_apn_name_cmd,
return CMD_SUCCESS;
}
+DEFUN(cfg_cdr_filename, cfg_cdr_filename_cmd,
+ "cdr filename NAME",
+ "CDR\nSet filename\nname\n")
+{
+ talloc_free(g_cfg->cdr.filename);
+ g_cfg->cdr.filename = talloc_strdup(tall_vty_ctx, argv[0]);
+ return CMD_SUCCESS;
+}
+
+DEFUN(cfg_no_cdr_filename, cfg_no_cdr_filename_cmd,
+ "no cdr filename",
+ NO_STR "CDR\nDisable CDR generation\n")
+{
+ talloc_free(g_cfg->cdr.filename);
+ g_cfg->cdr.filename = NULL;
+ return CMD_SUCCESS;
+}
+
+DEFUN(cfg_cdr_interval, cfg_cdr_interval_cmd,
+ "cdr interval <1-2147483647>",
+ "CDR\nPDP periodic log interval\nSeconds\n")
+{
+ g_cfg->cdr.interval = atoi(argv[0]);
+ return CMD_SUCCESS;
+}
+
int sgsn_vty_init(void)
{
install_element_ve(&show_sgsn_cmd);
@@ -842,6 +875,9 @@ int sgsn_vty_init(void)
install_element(SGSN_NODE, &cfg_apn_imsi_ggsn_cmd);
install_element(SGSN_NODE, &cfg_apn_name_cmd);
install_element(SGSN_NODE, &cfg_no_apn_name_cmd);
+ install_element(SGSN_NODE, &cfg_cdr_filename_cmd);
+ install_element(SGSN_NODE, &cfg_no_cdr_filename_cmd);
+ install_element(SGSN_NODE, &cfg_cdr_interval_cmd);
return 0;
}
diff --git a/openbsc/tests/sgsn/sgsn_test.c b/openbsc/tests/sgsn/sgsn_test.c
index d9b162dc..879dfe36 100644
--- a/openbsc/tests/sgsn/sgsn_test.c
+++ b/openbsc/tests/sgsn/sgsn_test.c
@@ -953,6 +953,8 @@ retry_attach_req:
/* check that the MM context has not been removed due to a
* failed authorization */
OSMO_ASSERT(ctx == sgsn_mm_ctx_by_tlli(foreign_tlli, &raid));
+ if (ctx->subscr && ctx->subscr->sgsn_data->msisdn_len > 0)
+ OSMO_ASSERT(strcmp(ctx->msisdn, "+49166213323") == 0);
}
if (retry && sgsn_tx_counter == 0)
@@ -1151,6 +1153,8 @@ int my_subscr_request_update_gsup_auth(struct sgsn_mm_ctx *mmctx) {
0x10, 0x01, 0x01,
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
+ 0x08, 0x07, /* MSISDN 49166213323 encoded */
+ 0x91, 0x94, 0x61, 0x26, 0x31, 0x23, 0xF3,
};
OSMO_ASSERT(!mmctx || mmctx->subscr);
diff --git a/openbsc/tests/vty_test_runner.py b/openbsc/tests/vty_test_runner.py
index 3581b67c..4cd46653 100644
--- a/openbsc/tests/vty_test_runner.py
+++ b/openbsc/tests/vty_test_runner.py
@@ -891,6 +891,34 @@ class TestVTYSGSN(TestVTYGenericBSC):
res = self.vty.command("show running-config")
self.assertEquals(res.find("apn internet"), -1)
+ def testVtyCDR(self):
+ self.vty.enable()
+ self.assertTrue(self.vty.verify('configure terminal', ['']))
+ self.assertEquals(self.vty.node(), 'config')
+ self.assertTrue(self.vty.verify('sgsn', ['']))
+ self.assertEquals(self.vty.node(), 'config-sgsn')
+
+ res = self.vty.command("show running-config")
+ self.assert_(res.find("no cdr filename") > 0)
+
+ self.vty.command("cdr filename bla.cdr")
+ res = self.vty.command("show running-config")
+ self.assertEquals(res.find("no cdr filename"), -1)
+ self.assert_(res.find(" cdr filename bla.cdr") > 0)
+
+ self.vty.command("no cdr filename")
+ res = self.vty.command("show running-config")
+ self.assert_(res.find("no cdr filename") > 0)
+ self.assertEquals(res.find(" cdr filename bla.cdr"), -1)
+
+ res = self.vty.command("show running-config")
+ self.assert_(res.find(" cdr interval 600") > 0)
+
+ self.vty.command("cdr interval 900")
+ res = self.vty.command("show running-config")
+ self.assert_(res.find(" cdr interval 900") > 0)
+ self.assertEquals(res.find(" cdr interval 600"), -1)
+
def add_nat_test(suite, workdir):
if not os.path.isfile(os.path.join(workdir, "src/osmo-bsc_nat/osmo-bsc_nat")):
print("Skipping the NAT test")