allocate an extension when creating the subscriber
diff --git a/openbsc/include/openbsc/gsm_subscriber.h b/openbsc/include/openbsc/gsm_subscriber.h
index 0abf17a..5a86ec8 100644
--- a/openbsc/include/openbsc/gsm_subscriber.h
+++ b/openbsc/include/openbsc/gsm_subscriber.h
@@ -11,6 +11,9 @@
#define GSM_NAME_LENGTH 128
#define GSM_EXTENSION_LENGTH 128
+#define GSM_MIN_EXTEN 20000
+#define GSM_MAX_EXTEN 49999
+
#define GSM_SUBSCRIBER_FIRST_CONTACT 0x00000001
struct gsm_equipment {
diff --git a/openbsc/src/db.c b/openbsc/src/db.c
index 6017260..f610bfc 100644
--- a/openbsc/src/db.c
+++ b/openbsc/src/db.c
@@ -248,6 +248,7 @@
strncpy(subscr->imsi, imsi, GSM_IMSI_LENGTH-1);
dbi_result_free(result);
printf("DB: New Subscriber: ID %llu, IMSI %s\n", subscr->id, subscr->imsi);
+ db_subscriber_alloc_exten(subscr);
return subscr;
}
@@ -419,6 +420,34 @@
return 0;
}
+int db_subscriber_alloc_exten(struct gsm_subscriber* subscriber) {
+ dbi_result result=NULL;
+ u_int32_t try;
+ for (;;) {
+ try = (rand()%(GSM_MAX_EXTEN+1)+GSM_MIN_EXTEN)%(GSM_MAX_EXTEN+1);
+ result = dbi_conn_queryf(conn,
+ "SELECT * FROM Subscriber "
+ "WHERE extension = %llu",
+ try
+ );
+ if (result==NULL) {
+ printf("DB: Failed to query Subscriber while allocating new extension.\n");
+ return 1;
+ }
+ if (dbi_result_get_numrows(result)){
+ dbi_result_free(result);
+ continue;
+ }
+ if (!dbi_result_next_row(result)) {
+ dbi_result_free(result);
+ break;
+ }
+ dbi_result_free(result);
+ }
+ sprintf(subscriber->extension, "%i", try);
+ printf("DB: Allocated extension %i for IMSI %s.\n", try, subscriber->imsi);
+ return db_sync_subscriber(subscriber);
+}
/*
* try to allocate a new unique token for this subscriber and return it
* via a parameter. if the subscriber already has a token, return