cellular-infrastructure
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osmo-msc
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db: Remove the struct gsm_network from the database layer 

The database code should not know about the network. Move the
setting of the network pointer into the subscriber layer.
This commit is contained in:
Holger Hans Peter Freyther 2013-10-04 08:35:11 +02:00
parent 0c48fc7c62
commit 7634ec1de1
7 changed files with 37 additions and 23 deletions
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6
openbsc/include/openbsc/db.h
View File

@ -35,10 +35,8 @@ int db_prepare(void);
int db_fini(void);
/* subscriber management */
struct gsm_subscriber *db_create_subscriber(struct gsm_network *net,
char *imsi);
struct gsm_subscriber *db_get_subscriber(struct gsm_network *net,
enum gsm_subscriber_field field,
struct gsm_subscriber *db_create_subscriber(const char *imsi);
struct gsm_subscriber *db_get_subscriber(enum gsm_subscriber_field field,
const char *subscr);
int db_sync_subscriber(struct gsm_subscriber *subscriber);
int db_subscriber_expire(void *priv, void (*callback)(void *priv, long long unsigned int id));

2
openbsc/include/openbsc/gsm_subscriber.h
View File

@ -73,6 +73,8 @@ enum gsm_subscriber_update_reason {
struct gsm_subscriber *subscr_get(struct gsm_subscriber *subscr);
struct gsm_subscriber *subscr_put(struct gsm_subscriber *subscr);
struct gsm_subscriber *subscr_create_subscriber(struct gsm_network *net,
const char *imsi);
struct gsm_subscriber *subscr_get_by_tmsi(struct gsm_network *net,
uint32_t tmsi);
struct gsm_subscriber *subscr_get_by_imsi(struct gsm_network *net,

9
openbsc/src/libmsc/db.c
View File

@ -315,13 +315,13 @@ int db_fini(void)
return 0;
}
struct gsm_subscriber *db_create_subscriber(struct gsm_network *net, char *imsi)
struct gsm_subscriber *db_create_subscriber(const char *imsi)
{
dbi_result result;
struct gsm_subscriber *subscr;
/* Is this subscriber known in the db? */
subscr = db_get_subscriber(net, GSM_SUBSCRIBER_IMSI, imsi);
subscr = db_get_subscriber(GSM_SUBSCRIBER_IMSI, imsi);
if (subscr) {
result = dbi_conn_queryf(conn,
"UPDATE Subscriber set updated = datetime('now') "
@ -346,7 +346,6 @@ struct gsm_subscriber *db_create_subscriber(struct gsm_network *net, char *imsi)
);
if (!result)
LOGP(DDB, LOGL_ERROR, "Failed to create Subscriber by IMSI.\n");
subscr->net = net;
subscr->id = dbi_conn_sequence_last(conn, NULL);
strncpy(subscr->imsi, imsi, GSM_IMSI_LENGTH-1);
dbi_result_free(result);
@ -645,8 +644,7 @@ static void db_set_from_query(struct gsm_subscriber *subscr, dbi_conn result)
}
#define BASE_QUERY "SELECT * FROM Subscriber "
struct gsm_subscriber *db_get_subscriber(struct gsm_network *net,
enum gsm_subscriber_field field,
struct gsm_subscriber *db_get_subscriber(enum gsm_subscriber_field field,
const char *id)
{
dbi_result result;
@ -704,7 +702,6 @@ struct gsm_subscriber *db_get_subscriber(struct gsm_network *net,
}
subscr = subscr_alloc();
subscr->net = net;
subscr->id = dbi_result_get_ulonglong(result, "id");
db_set_from_query(subscr, result);

4
openbsc/src/libmsc/gsm_04_08.c
View File

@ -474,7 +474,7 @@ static int mm_rx_id_resp(struct gsm_subscriber_connection *conn, struct msgb *ms
if (!conn->subscr) {
conn->subscr = subscr_get_by_imsi(net, mi_string);
if (!conn->subscr)
conn->subscr = db_create_subscriber(net, mi_string);
conn->subscr = subscr_create_subscriber(net, mi_string);
}
if (conn->loc_operation)
conn->loc_operation->waiting_for_imsi = 0;
@ -586,7 +586,7 @@ static int mm_rx_loc_upd_req(struct gsm_subscriber_connection *conn, struct msgb
/* look up subscriber based on IMSI, create if not found */
subscr = subscr_get_by_imsi(bts->network, mi_string);
if (!subscr) {
subscr = db_create_subscriber(bts->network, mi_string);
subscr = subscr_create_subscriber(bts->network, mi_string);
}
break;
case GSM_MI_TYPE_TMSI:

25
openbsc/src/libmsc/gsm_subscriber.c
View File

@ -78,6 +78,15 @@ enum {
REQ_STATE_DISPATCHED,
};
static struct gsm_subscriber *get_subscriber(struct gsm_network *net,
int type, const char *ident)
{
struct gsm_subscriber *subscr = db_get_subscriber(type, ident);
if (subscr)
subscr->net = net;
return subscr;
}
/*
* We got the channel assigned and can now hand this channel
* over to one of our callbacks.
@ -266,6 +275,14 @@ void subscr_put_channel(struct gsm_subscriber *subscr)
subscr_send_paging_request(subscr);
}
struct gsm_subscriber *subscr_create_subscriber(struct gsm_network *net,
const char *imsi)
{
struct gsm_subscriber *subscr = db_create_subscriber(imsi);
if (subscr)
subscr->net = net;
return subscr;
}
struct gsm_subscriber *subscr_get_by_tmsi(struct gsm_network *net,
uint32_t tmsi)
@ -280,7 +297,7 @@ struct gsm_subscriber *subscr_get_by_tmsi(struct gsm_network *net,
}
sprintf(tmsi_string, "%u", tmsi);
return db_get_subscriber(net, GSM_SUBSCRIBER_TMSI, tmsi_string);
return get_subscriber(net, GSM_SUBSCRIBER_TMSI, tmsi_string);
}
struct gsm_subscriber *subscr_get_by_imsi(struct gsm_network *net,
@ -293,7 +310,7 @@ struct gsm_subscriber *subscr_get_by_imsi(struct gsm_network *net,
return subscr_get(subscr);
}
return db_get_subscriber(net, GSM_SUBSCRIBER_IMSI, imsi);
return get_subscriber(net, GSM_SUBSCRIBER_IMSI, imsi);
}
struct gsm_subscriber *subscr_get_by_extension(struct gsm_network *net,
@ -306,7 +323,7 @@ struct gsm_subscriber *subscr_get_by_extension(struct gsm_network *net,
return subscr_get(subscr);
}
return db_get_subscriber(net, GSM_SUBSCRIBER_EXTENSION, ext);
return get_subscriber(net, GSM_SUBSCRIBER_EXTENSION, ext);
}
struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net,
@ -321,7 +338,7 @@ struct gsm_subscriber *subscr_get_by_id(struct gsm_network *net,
return subscr_get(subscr);
}
return db_get_subscriber(net, GSM_SUBSCRIBER_ID, buf);
return get_subscriber(net, GSM_SUBSCRIBER_ID, buf);
}
int subscr_update_expire_lu(struct gsm_subscriber *s, struct gsm_bts *bts)

2
openbsc/src/libmsc/vty_interface_layer3.c
View File

@ -229,7 +229,7 @@ DEFUN(subscriber_create,
struct gsm_network *gsmnet = gsmnet_from_vty(vty);
struct gsm_subscriber *subscr;
subscr = db_create_subscriber(gsmnet, argv[0]);
subscr = subscr_create_subscriber(gsmnet, argv[0]);
if (!subscr) {
vty_out(vty, "%% No subscriber created for IMSI %s%s",
argv[0], VTY_NEWLINE);

12
openbsc/tests/db/db_test.c
View File

@ -78,32 +78,32 @@ int main()
struct gsm_subscriber *alice_db;
char *alice_imsi = "3243245432345";
alice = db_create_subscriber(NULL, alice_imsi);
alice = db_create_subscriber(alice_imsi);
db_sync_subscriber(alice);
alice_db = db_get_subscriber(NULL, GSM_SUBSCRIBER_IMSI, alice->imsi);
alice_db = db_get_subscriber(GSM_SUBSCRIBER_IMSI, alice->imsi);
COMPARE(alice, alice_db);
SUBSCR_PUT(alice_db);
SUBSCR_PUT(alice);
alice_imsi = "3693245423445";
alice = db_create_subscriber(NULL, alice_imsi);
alice = db_create_subscriber(alice_imsi);
db_subscriber_assoc_imei(alice, "1234567890");
db_subscriber_alloc_tmsi(alice);
alice->lac=42;
db_sync_subscriber(alice);
alice_db = db_get_subscriber(NULL, GSM_SUBSCRIBER_IMSI, alice_imsi);
alice_db = db_get_subscriber(GSM_SUBSCRIBER_IMSI, alice_imsi);
COMPARE(alice, alice_db);
SUBSCR_PUT(alice);
SUBSCR_PUT(alice_db);
alice_imsi = "9993245423445";
alice = db_create_subscriber(NULL, alice_imsi);
alice = db_create_subscriber(alice_imsi);
db_subscriber_alloc_tmsi(alice);
alice->lac=42;
db_sync_subscriber(alice);
db_subscriber_assoc_imei(alice, "1234567890");
db_subscriber_assoc_imei(alice, "6543560920");
alice_db = db_get_subscriber(NULL, GSM_SUBSCRIBER_IMSI, alice_imsi);
alice_db = db_get_subscriber(GSM_SUBSCRIBER_IMSI, alice_imsi);
COMPARE(alice, alice_db);
SUBSCR_PUT(alice);
SUBSCR_PUT(alice_db);