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-rw-r--r--src/gprs/sgsn_cdr.c258
1 files changed, 0 insertions, 258 deletions
diff --git a/src/gprs/sgsn_cdr.c b/src/gprs/sgsn_cdr.c
deleted file mode 100644
index 091089610..000000000
--- a/src/gprs/sgsn_cdr.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/* 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,hlr,event,pdp_duration,ggsn_addr,sgsn_addr,apni,eua_addr,vol_in,vol_out,charging_id\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,%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->gb.cell_id,
- mmctx->ra.lac,
- mmctx->hlr,
- 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,%s,%ld,%s,%s,%s,%s,%" PRIu64 ",%" PRIu64 ",%u\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->gb.cell_id : -1,
- pdp->mm ? pdp->mm->ra.lac : -1,
- pdp->mm ? pdp->mm->hlr : "N/A",
- ev,
- (unsigned long ) duration,
- ggsn_addr,
- sgsn_addr,
- apni,
- eua_addr,
- pdp->cdr_bytes_in,
- pdp->cdr_bytes_out,
- pdp->cdr_charging_id);
- 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);
- signal_data->pdp->cdr_charging_id = signal_data->pdp->lib->cid;
- cdr_log_pdp(inst, "pdp-act", signal_data->pdp);
- osmo_timer_setup(&signal_data->pdp->cdr_timer, cdr_pdp_timeout,
- 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;
-}
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