mirror of
https://gitea.osmocom.org/cellular-infrastructure/osmo-hlr.git
synced 2025-11-04 06:03:28 +00:00
Move lu_operation into separate file
Create luop.(c|h) and move lu_operation and corresponding TX functions there to facilitate re-use in upcoming control interface. Change-Id: Ic55a45d56b37be2ba43d96f7da2af43b46af9813 Related: OS#1645
This commit is contained in:
Max
@@ -14,6 +14,7 @@ EXTRA_DIST = \
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noinst_HEADERS = \
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auc.h \
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db.h \
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luop.h \
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gsup_router.h \
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gsup_server.h \
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logging.h \
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@@ -32,6 +33,7 @@ noinst_PROGRAMS = \
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osmo_hlr_SOURCES = \
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auc.c \
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db.c \
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luop.c \
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db_auc.c \
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db_hlr.c \
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gsup_router.c \
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268
src/hlr.c
268
src/hlr.c
@@ -19,7 +19,7 @@
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#include <signal.h>
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#include <errno.h>
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#include <stdbool.h>
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#include <getopt.h>
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#include <osmocom/core/msgb.h>
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@@ -38,6 +38,7 @@
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#include "gsup_server.h"
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#include "gsup_router.h"
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#include "rand.h"
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#include "luop.h"
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#include "hlr_vty.h"
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static struct db_context *g_dbc;
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@@ -83,184 +84,6 @@ static int rx_send_auth_info(struct osmo_gsup_conn *conn,
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static LLIST_HEAD(g_lu_ops);
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#define CANCEL_TIMEOUT_SECS 30
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#define ISD_TIMEOUT_SECS 30
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enum lu_state {
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LU_S_NULL,
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LU_S_LU_RECEIVED,
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LU_S_CANCEL_SENT,
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LU_S_CANCEL_ACK_RECEIVED,
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LU_S_ISD_SENT,
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LU_S_ISD_ACK_RECEIVED,
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LU_S_COMPLETE,
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};
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static const struct value_string lu_state_names[] = {
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{ LU_S_NULL, "NULL" },
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{ LU_S_LU_RECEIVED, "LU RECEIVED" },
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{ LU_S_CANCEL_SENT, "CANCEL SENT" },
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{ LU_S_CANCEL_ACK_RECEIVED, "CANCEL-ACK RECEIVED" },
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{ LU_S_ISD_SENT, "ISD SENT" },
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{ LU_S_ISD_ACK_RECEIVED, "ISD-ACK RECEIVED" },
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{ LU_S_COMPLETE, "COMPLETE" },
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{ 0, NULL }
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};
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struct lu_operation {
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/*! entry in global list of location update operations */
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struct llist_head list;
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/*! to which gsup_server do we belong */
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struct osmo_gsup_server *gsup_server;
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/*! state of the location update */
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enum lu_state state;
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/*! CS (false) or PS (true) Location Update? */
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bool is_ps;
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/*! currently running timer */
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struct osmo_timer_list timer;
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/*! subscriber related to this operation */
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struct hlr_subscriber subscr;
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/*! peer VLR/SGSN starting the request */
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uint8_t *peer;
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};
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void lu_op_tx_insert_subscr_data(struct lu_operation *luop);
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void lu_op_statechg(struct lu_operation *luop, enum lu_state new_state)
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{
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enum lu_state old_state = luop->state;
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DEBUGP(DMAIN, "LU OP state change: %s -> ",
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get_value_string(lu_state_names, old_state));
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DEBUGPC(DMAIN, "%s\n",
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get_value_string(lu_state_names, new_state));
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luop->state = new_state;
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}
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struct lu_operation *lu_op_by_imsi(const char *imsi)
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{
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struct lu_operation *luop;
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llist_for_each_entry(luop, &g_lu_ops, list) {
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if (!strcmp(imsi, luop->subscr.imsi))
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return luop;
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}
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return NULL;
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}
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/* Send a msgb to a given address using routing */
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int osmo_gsup_addr_send(struct osmo_gsup_server *gs,
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const uint8_t *addr, size_t addrlen,
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struct msgb *msg)
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{
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struct osmo_gsup_conn *conn;
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conn = gsup_route_find(gs, addr, addrlen);
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if (!conn) {
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DEBUGP(DMAIN, "Cannot find route for addr %s\n", addr);
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msgb_free(msg);
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return -ENODEV;
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}
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return osmo_gsup_conn_send(conn, msg);
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}
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/* Transmit a given GSUP message for the given LU operation */
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static void _luop_tx_gsup(struct lu_operation *luop,
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const struct osmo_gsup_message *gsup)
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{
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struct msgb *msg_out;
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msg_out = msgb_alloc_headroom(1024+16, 16, "GSUP LUOP");
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osmo_gsup_encode(msg_out, gsup);
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osmo_gsup_addr_send(luop->gsup_server, luop->peer,
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talloc_total_size(luop->peer),
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msg_out);
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}
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static inline void fill_gsup_msg(struct osmo_gsup_message *out,
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const struct lu_operation *lu,
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enum osmo_gsup_message_type mt)
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{
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memset(out, 0, sizeof(struct osmo_gsup_message));
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if (lu)
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osmo_strlcpy(out->imsi, lu->subscr.imsi,
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GSM23003_IMSI_MAX_DIGITS + 1);
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out->message_type = mt;
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}
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/*! Transmit UPD_LOC_ERROR and destroy lu_operation */
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void lu_op_tx_error(struct lu_operation *luop, enum gsm48_gmm_cause cause)
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{
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struct osmo_gsup_message gsup;
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DEBUGP(DMAIN, "%s: LU OP Tx Error (cause %s)\n",
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luop->subscr.imsi, get_value_string(gsm48_gmm_cause_names,
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cause));
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fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR);
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gsup.cause = cause;
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_luop_tx_gsup(luop, &gsup);
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llist_del(&luop->list);
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talloc_free(luop);
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}
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/* timer call-back in case LU operation doesn't receive an response */
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static void lu_op_timer_cb(void *data)
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{
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struct lu_operation *luop = data;
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DEBUGP(DMAIN, "LU OP timer expired in state %s\n",
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get_value_string(lu_state_names, luop->state));
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switch (luop->state) {
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case LU_S_CANCEL_SENT:
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break;
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case LU_S_ISD_SENT:
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break;
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default:
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break;
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}
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lu_op_tx_error(luop, GMM_CAUSE_NET_FAIL);
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}
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/*! Transmit UPD_LOC_RESULT and destroy lu_operation */
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void lu_op_tx_ack(struct lu_operation *luop)
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{
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struct osmo_gsup_message gsup;
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fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT);
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//FIXME gsup.hlr_enc;
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_luop_tx_gsup(luop, &gsup);
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llist_del(&luop->list);
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talloc_free(luop);
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}
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/*! Send Cancel Location to old VLR/SGSN */
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void lu_op_tx_cancel_old(struct lu_operation *luop)
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{
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struct osmo_gsup_message gsup;
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OSMO_ASSERT(luop->state == LU_S_LU_RECEIVED);
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fill_gsup_msg(&gsup, NULL, OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST);
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//gsup.cause = FIXME;
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//gsup.cancel_type = FIXME;
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_luop_tx_gsup(luop, &gsup);
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lu_op_statechg(luop, LU_S_CANCEL_SENT);
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osmo_timer_schedule(&luop->timer, CANCEL_TIMEOUT_SECS, 0);
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}
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/*! Receive Cancel Location Result from old VLR/SGSN */
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void lu_op_rx_cancel_old_ack(struct lu_operation *luop,
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const struct osmo_gsup_message *gsup)
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@@ -275,55 +98,6 @@ void lu_op_rx_cancel_old_ack(struct lu_operation *luop,
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lu_op_tx_insert_subscr_data(luop);
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}
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/*! Transmit Insert Subscriber Data to new VLR/SGSN */
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void lu_op_tx_insert_subscr_data(struct lu_operation *luop)
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{
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struct osmo_gsup_message gsup;
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uint8_t apn[APN_MAXLEN];
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uint8_t msisdn_enc[43]; /* TODO use constant; TS 24.008 10.5.4.7 */
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int l;
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OSMO_ASSERT(luop->state == LU_S_LU_RECEIVED ||
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luop->state == LU_S_CANCEL_ACK_RECEIVED);
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fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_INSERT_DATA_REQUEST);
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l = gsm48_encode_bcd_number(msisdn_enc, sizeof(msisdn_enc), 0,
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luop->subscr.msisdn);
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if (l < 1) {
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LOGP(DMAIN, LOGL_ERROR,
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"%s: Error: cannot encode MSISDN '%s'\n",
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luop->subscr.imsi, luop->subscr.msisdn);
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lu_op_tx_error(luop, GMM_CAUSE_PROTO_ERR_UNSPEC);
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return;
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}
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gsup.msisdn_enc = msisdn_enc;
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gsup.msisdn_enc_len = l;
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/* FIXME: deal with encoding the following data */
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gsup.hlr_enc;
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if (luop->is_ps) {
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/* FIXME: PDP infos - use more fine-grained access control
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instead of wildcard APN */
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l = osmo_apn_from_str(apn, sizeof(apn), "*");
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if (l > 0) {
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gsup.pdp_infos[0].apn_enc = apn;
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gsup.pdp_infos[0].apn_enc_len = l;
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gsup.pdp_infos[0].have_info = 1;
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gsup.num_pdp_infos = 1;
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/* FIXME: use real value: */
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gsup.pdp_infos[0].context_id = 1;
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}
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}
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/* Send ISD to new VLR/SGSN */
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_luop_tx_gsup(luop, &gsup);
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lu_op_statechg(luop, LU_S_ISD_SENT);
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osmo_timer_schedule(&luop->timer, ISD_TIMEOUT_SECS, 0);
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}
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/*! Receive Insert Subscriber Data Result from new VLR/SGSN */
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static void lu_op_rx_insert_subscr_data_ack(struct lu_operation *luop,
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const struct osmo_gsup_message *gsup)
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@@ -364,38 +138,18 @@ void lu_op_rx_gsup(struct lu_operation *luop,
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}
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}
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static struct lu_operation *lu_op_alloc(struct osmo_gsup_server *srv)
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{
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struct lu_operation *luop;
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luop = talloc_zero(srv, struct lu_operation);
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OSMO_ASSERT(luop);
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luop->gsup_server = srv;
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luop->timer.cb = lu_op_timer_cb;
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luop->timer.data = luop;
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return luop;
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}
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/*! Receive Update Location Request, creates new \ref lu_operation */
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static int rx_upd_loc_req(struct osmo_gsup_conn *conn,
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const struct osmo_gsup_message *gsup)
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{
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int rc;
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struct lu_operation *luop;
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struct hlr_subscriber *subscr;
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uint8_t *peer_addr;
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rc = osmo_gsup_conn_ccm_get(conn, &peer_addr, IPAC_IDTAG_SERNR);
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if (rc < 0) {
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struct lu_operation *luop = lu_op_alloc_conn(conn);
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if (!luop) {
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LOGP(DMAIN, LOGL_ERROR, "LU REQ from conn without addr?\n");
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return rc;
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return -EINVAL;
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}
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luop = lu_op_alloc(conn->server);
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luop->peer = talloc_memdup(luop, peer_addr, rc);
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lu_op_statechg(luop, LU_S_LU_RECEIVED);
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subscr = &luop->subscr;
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if (gsup->cn_domain == OSMO_GSUP_CN_DOMAIN_PS)
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luop->is_ps = true;
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llist_add(&luop->list, &g_lu_ops);
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@@ -403,8 +157,7 @@ static int rx_upd_loc_req(struct osmo_gsup_conn *conn,
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/* Roughly follwing "Process Update_Location_HLR" of TS 09.02 */
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/* check if subscriber is known at all */
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rc = db_subscr_get(g_dbc, gsup->imsi, subscr);
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if (rc < 0) {
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if (!lu_op_fill_subscr(luop, g_dbc, gsup->imsi)) {
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/* Send Error back: Subscriber Unknown in HLR */
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strcpy(luop->subscr.imsi, gsup->imsi);
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lu_op_tx_error(luop, GMM_CAUSE_IMSI_UNKNOWN);
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@@ -413,10 +166,10 @@ static int rx_upd_loc_req(struct osmo_gsup_conn *conn,
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/* Check if subscriber is generally permitted on CS or PS
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* service (as requested) */
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if (!luop->is_ps && !subscr->nam_cs) {
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if (!luop->is_ps && !luop->subscr.nam_cs) {
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lu_op_tx_error(luop, GMM_CAUSE_PLMN_NOTALLOWED);
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return 0;
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} else if (luop->is_ps && !subscr->nam_ps) {
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} else if (luop->is_ps && !luop->subscr.nam_ps) {
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lu_op_tx_error(luop, GMM_CAUSE_GPRS_NOTALLOWED);
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return 0;
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}
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@@ -508,7 +261,8 @@ static int read_cb(struct osmo_gsup_conn *conn, struct msgb *msg)
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case OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR:
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case OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT:
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{
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struct lu_operation *luop = lu_op_by_imsi(gsup.imsi);
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struct lu_operation *luop = lu_op_by_imsi(gsup.imsi,
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&g_lu_ops);
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if (!luop) {
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LOGP(DMAIN, LOGL_ERROR, "GSUP message %s for "
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"unknown IMSI %s\n",
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268
src/luop.c
Normal file
268
src/luop.c
Normal file
@@ -0,0 +1,268 @@
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/* OsmoHLR TX/RX lu operations */
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/* (C) 2017 sysmocom s.f.m.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* Author: Harald Welte <laforge@gnumonks.org>
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*
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* This program is free software; you can redistribute it and/or modify
|
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* it under the terms of the GNU Affero General Public License as published by
|
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* the Free Software Foundation; either version 3 of the License, or
|
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* (at your option) any later version.
|
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*
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* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* 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/>.
|
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*
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*/
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#include <stdbool.h>
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#include <string.h>
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#include <errno.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/gsm/gsm48_ie.h>
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#include <osmocom/gsm/gsup.h>
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#include <osmocom/gsm/apn.h>
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#include "gsup_server.h"
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#include "gsup_router.h"
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#include "logging.h"
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#include "luop.h"
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const struct value_string lu_state_names[] = {
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{ LU_S_NULL, "NULL" },
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{ LU_S_LU_RECEIVED, "LU RECEIVED" },
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{ LU_S_CANCEL_SENT, "CANCEL SENT" },
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{ LU_S_CANCEL_ACK_RECEIVED, "CANCEL-ACK RECEIVED" },
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{ LU_S_ISD_SENT, "ISD SENT" },
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{ LU_S_ISD_ACK_RECEIVED, "ISD-ACK RECEIVED" },
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{ LU_S_COMPLETE, "COMPLETE" },
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{ 0, NULL }
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};
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/* Transmit a given GSUP message for the given LU operation */
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static void _luop_tx_gsup(struct lu_operation *luop,
|
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const struct osmo_gsup_message *gsup)
|
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{
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struct msgb *msg_out;
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|
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msg_out = msgb_alloc_headroom(1024+16, 16, "GSUP LUOP");
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osmo_gsup_encode(msg_out, gsup);
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|
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osmo_gsup_addr_send(luop->gsup_server, luop->peer,
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talloc_total_size(luop->peer),
|
||||
msg_out);
|
||||
}
|
||||
|
||||
static inline void fill_gsup_msg(struct osmo_gsup_message *out,
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const struct lu_operation *lu,
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||||
enum osmo_gsup_message_type mt)
|
||||
{
|
||||
memset(out, 0, sizeof(struct osmo_gsup_message));
|
||||
if (lu)
|
||||
osmo_strlcpy(out->imsi, lu->subscr.imsi,
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GSM23003_IMSI_MAX_DIGITS + 1);
|
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out->message_type = mt;
|
||||
}
|
||||
|
||||
/* timer call-back in case LU operation doesn't receive an response */
|
||||
static void lu_op_timer_cb(void *data)
|
||||
{
|
||||
struct lu_operation *luop = data;
|
||||
|
||||
DEBUGP(DMAIN, "LU OP timer expired in state %s\n",
|
||||
get_value_string(lu_state_names, luop->state));
|
||||
|
||||
switch (luop->state) {
|
||||
case LU_S_CANCEL_SENT:
|
||||
break;
|
||||
case LU_S_ISD_SENT:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
lu_op_tx_error(luop, GMM_CAUSE_NET_FAIL);
|
||||
}
|
||||
|
||||
bool lu_op_fill_subscr(struct lu_operation *luop, struct db_context *dbc,
|
||||
const char *imsi)
|
||||
{
|
||||
struct hlr_subscriber *subscr = &luop->subscr;
|
||||
|
||||
if (db_subscr_get(dbc, imsi, subscr) < 0)
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
struct lu_operation *lu_op_alloc(struct osmo_gsup_server *srv)
|
||||
{
|
||||
struct lu_operation *luop;
|
||||
|
||||
luop = talloc_zero(srv, struct lu_operation);
|
||||
OSMO_ASSERT(luop);
|
||||
luop->gsup_server = srv;
|
||||
luop->timer.cb = lu_op_timer_cb;
|
||||
luop->timer.data = luop;
|
||||
|
||||
return luop;
|
||||
}
|
||||
|
||||
struct lu_operation *lu_op_alloc_conn(struct osmo_gsup_conn *conn)
|
||||
{
|
||||
uint8_t *peer_addr;
|
||||
struct lu_operation *luop = lu_op_alloc(conn->server);
|
||||
int rc = osmo_gsup_conn_ccm_get(conn, &peer_addr, IPAC_IDTAG_SERNR);
|
||||
if (rc < 0)
|
||||
return NULL;
|
||||
|
||||
luop->peer = talloc_memdup(luop, peer_addr, rc);
|
||||
|
||||
return luop;
|
||||
}
|
||||
|
||||
/* FIXME: this doesn't seem to work at all */
|
||||
struct lu_operation *lu_op_by_imsi(const char *imsi,
|
||||
const struct llist_head *lst)
|
||||
{
|
||||
struct lu_operation *luop;
|
||||
|
||||
llist_for_each_entry(luop, lst, list) {
|
||||
if (!strcmp(imsi, luop->subscr.imsi))
|
||||
return luop;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void lu_op_statechg(struct lu_operation *luop, enum lu_state new_state)
|
||||
{
|
||||
enum lu_state old_state = luop->state;
|
||||
|
||||
DEBUGP(DMAIN, "LU OP state change: %s -> ",
|
||||
get_value_string(lu_state_names, old_state));
|
||||
DEBUGPC(DMAIN, "%s\n",
|
||||
get_value_string(lu_state_names, new_state));
|
||||
|
||||
luop->state = new_state;
|
||||
}
|
||||
|
||||
/* Send a msgb to a given address using routing */
|
||||
int osmo_gsup_addr_send(struct osmo_gsup_server *gs,
|
||||
const uint8_t *addr, size_t addrlen,
|
||||
struct msgb *msg)
|
||||
{
|
||||
struct osmo_gsup_conn *conn;
|
||||
|
||||
conn = gsup_route_find(gs, addr, addrlen);
|
||||
if (!conn) {
|
||||
DEBUGP(DMAIN, "Cannot find route for addr %s\n", addr);
|
||||
msgb_free(msg);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
return osmo_gsup_conn_send(conn, msg);
|
||||
}
|
||||
|
||||
/*! Transmit UPD_LOC_ERROR and destroy lu_operation */
|
||||
void lu_op_tx_error(struct lu_operation *luop, enum gsm48_gmm_cause cause)
|
||||
{
|
||||
struct osmo_gsup_message gsup;
|
||||
|
||||
DEBUGP(DMAIN, "%s: LU OP Tx Error (cause %s)\n",
|
||||
luop->subscr.imsi, get_value_string(gsm48_gmm_cause_names,
|
||||
cause));
|
||||
|
||||
fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR);
|
||||
gsup.cause = cause;
|
||||
|
||||
_luop_tx_gsup(luop, &gsup);
|
||||
|
||||
llist_del(&luop->list);
|
||||
talloc_free(luop);
|
||||
}
|
||||
|
||||
/*! Transmit UPD_LOC_RESULT and destroy lu_operation */
|
||||
void lu_op_tx_ack(struct lu_operation *luop)
|
||||
{
|
||||
struct osmo_gsup_message gsup;
|
||||
|
||||
fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT);
|
||||
//FIXME gsup.hlr_enc;
|
||||
|
||||
_luop_tx_gsup(luop, &gsup);
|
||||
|
||||
llist_del(&luop->list);
|
||||
talloc_free(luop);
|
||||
}
|
||||
|
||||
/*! Send Cancel Location to old VLR/SGSN */
|
||||
void lu_op_tx_cancel_old(struct lu_operation *luop)
|
||||
{
|
||||
struct osmo_gsup_message gsup;
|
||||
|
||||
OSMO_ASSERT(luop->state == LU_S_LU_RECEIVED);
|
||||
|
||||
fill_gsup_msg(&gsup, NULL, OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST);
|
||||
//gsup.cause = FIXME;
|
||||
//gsup.cancel_type = FIXME;
|
||||
|
||||
_luop_tx_gsup(luop, &gsup);
|
||||
|
||||
lu_op_statechg(luop, LU_S_CANCEL_SENT);
|
||||
osmo_timer_schedule(&luop->timer, CANCEL_TIMEOUT_SECS, 0);
|
||||
}
|
||||
|
||||
/*! Transmit Insert Subscriber Data to new VLR/SGSN */
|
||||
void lu_op_tx_insert_subscr_data(struct lu_operation *luop)
|
||||
{
|
||||
struct osmo_gsup_message gsup;
|
||||
uint8_t apn[APN_MAXLEN];
|
||||
uint8_t msisdn_enc[43]; /* TODO use constant; TS 24.008 10.5.4.7 */
|
||||
int l;
|
||||
|
||||
OSMO_ASSERT(luop->state == LU_S_LU_RECEIVED ||
|
||||
luop->state == LU_S_CANCEL_ACK_RECEIVED);
|
||||
|
||||
fill_gsup_msg(&gsup, luop, OSMO_GSUP_MSGT_INSERT_DATA_REQUEST);
|
||||
|
||||
l = gsm48_encode_bcd_number(msisdn_enc, sizeof(msisdn_enc), 0,
|
||||
luop->subscr.msisdn);
|
||||
if (l < 1) {
|
||||
LOGP(DMAIN, LOGL_ERROR,
|
||||
"%s: Error: cannot encode MSISDN '%s'\n",
|
||||
luop->subscr.imsi, luop->subscr.msisdn);
|
||||
lu_op_tx_error(luop, GMM_CAUSE_PROTO_ERR_UNSPEC);
|
||||
return;
|
||||
}
|
||||
gsup.msisdn_enc = msisdn_enc;
|
||||
gsup.msisdn_enc_len = l;
|
||||
|
||||
/* FIXME: deal with encoding the following data */
|
||||
gsup.hlr_enc;
|
||||
|
||||
if (luop->is_ps) {
|
||||
/* FIXME: PDP infos - use more fine-grained access control
|
||||
instead of wildcard APN */
|
||||
l = osmo_apn_from_str(apn, sizeof(apn), "*");
|
||||
if (l > 0) {
|
||||
gsup.pdp_infos[0].apn_enc = apn;
|
||||
gsup.pdp_infos[0].apn_enc_len = l;
|
||||
gsup.pdp_infos[0].have_info = 1;
|
||||
gsup.num_pdp_infos = 1;
|
||||
/* FIXME: use real value: */
|
||||
gsup.pdp_infos[0].context_id = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Send ISD to new VLR/SGSN */
|
||||
_luop_tx_gsup(luop, &gsup);
|
||||
|
||||
lu_op_statechg(luop, LU_S_ISD_SENT);
|
||||
osmo_timer_schedule(&luop->timer, ISD_TIMEOUT_SECS, 0);
|
||||
}
|
||||
80
src/luop.h
Normal file
80
src/luop.h
Normal file
@@ -0,0 +1,80 @@
|
||||
/* OsmoHLR TX/RX lu operations */
|
||||
|
||||
/* (C) 2017 sysmocom s.f.m.c. GmbH <info@sysmocom.de>
|
||||
* All Rights Reserved
|
||||
*
|
||||
* Author: Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* 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/>.
|
||||
*
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#include <osmocom/core/timer.h>
|
||||
#include <osmocom/gsm/gsup.h>
|
||||
|
||||
#include "db.h"
|
||||
|
||||
#define CANCEL_TIMEOUT_SECS 30
|
||||
#define ISD_TIMEOUT_SECS 30
|
||||
|
||||
enum lu_state {
|
||||
LU_S_NULL,
|
||||
LU_S_LU_RECEIVED,
|
||||
LU_S_CANCEL_SENT,
|
||||
LU_S_CANCEL_ACK_RECEIVED,
|
||||
LU_S_ISD_SENT,
|
||||
LU_S_ISD_ACK_RECEIVED,
|
||||
LU_S_COMPLETE,
|
||||
};
|
||||
|
||||
extern const struct value_string lu_state_names[];
|
||||
|
||||
struct lu_operation {
|
||||
/*! entry in global list of location update operations */
|
||||
struct llist_head list;
|
||||
/*! to which gsup_server do we belong */
|
||||
struct osmo_gsup_server *gsup_server;
|
||||
/*! state of the location update */
|
||||
enum lu_state state;
|
||||
/*! CS (false) or PS (true) Location Update? */
|
||||
bool is_ps;
|
||||
/*! currently running timer */
|
||||
struct osmo_timer_list timer;
|
||||
|
||||
/*! subscriber related to this operation */
|
||||
struct hlr_subscriber subscr;
|
||||
/*! peer VLR/SGSN starting the request */
|
||||
uint8_t *peer;
|
||||
};
|
||||
|
||||
int osmo_gsup_addr_send(struct osmo_gsup_server *gs,
|
||||
const uint8_t *addr, size_t addrlen,
|
||||
struct msgb *msg);
|
||||
|
||||
struct lu_operation *lu_op_alloc(struct osmo_gsup_server *srv);
|
||||
struct lu_operation *lu_op_alloc_conn(struct osmo_gsup_conn *conn);
|
||||
void lu_op_statechg(struct lu_operation *luop, enum lu_state new_state);
|
||||
bool lu_op_fill_subscr(struct lu_operation *luop, struct db_context *dbc,
|
||||
const char *imsi);
|
||||
struct lu_operation *lu_op_by_imsi(const char *imsi,
|
||||
const struct llist_head *lst);
|
||||
|
||||
void lu_op_tx_error(struct lu_operation *luop, enum gsm48_gmm_cause cause);
|
||||
void lu_op_tx_ack(struct lu_operation *luop);
|
||||
void lu_op_tx_cancel_old(struct lu_operation *luop);
|
||||
void lu_op_tx_insert_subscr_data(struct lu_operation *luop);
|
||||
Reference in New Issue
Block a user