Revert "[db] Keep track of the current gsm_network"

This was a stupid decision. We will have to assign the
network at some other place. The problem will be a problem
when we have two gsm_networks in one process and the same
subscriber is traveling in both networks.

include/openbsc/db.h

@@ -26,7 +26,7 @@
 #include <openbsc/gsm_subscriber.h>
 
 /* one time initialisation */
-int db_init(const char *name, struct gsm_network *network);
+int db_init(const char *name);
 int db_prepare();
 int db_fini();
 

src/bsc_hack.c

@@ -970,7 +970,7 @@ static int bootstrap_network(void)
 	bts = &gsmnet->bts[0];
 	bootstrap_bts(bts);
 
-	if (db_init(database_name, gsmnet)) {
+	if (db_init(database_name)) {
 		printf("DB: Failed to init database. Please check the option settings.\n");
 		return -1;
 	}	 

src/db.c

@@ -32,7 +32,6 @@
 static char *db_basename = NULL;
 static char *db_dirname = NULL;
 static dbi_conn conn;
-static struct gsm_network *current_network = NULL;
 
 static char *create_stmts[] = {
 	"CREATE TABLE IF NOT EXISTS Meta ("
@@ -94,7 +93,7 @@ void db_error_func(dbi_conn conn, void* data) {
 	printf("DBI: %s\n", msg);
 }
 
-int db_init(const char *name, struct gsm_network *network) {
+int db_init(const char *name) {
 	dbi_initialize(NULL);
 	conn = dbi_conn_new("sqlite3");
 	if (conn==NULL) {
@@ -125,7 +124,6 @@ int db_init(const char *name, struct gsm_network *network) {
 		return 1;
 	}
 
-	current_network = network;
 	return 0;
 }
 

tests/db/db_test.c

@@ -50,7 +50,7 @@
 
 int main() {
 
-	if (db_init("hlr.sqlite3", NULL)) {
+	if (db_init("hlr.sqlite3")) {
 		printf("DB: Failed to init database. Please check the option settings.\n");
 		return 1;
 	}