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-rw-r--r--openbsc/include/openbsc/bsc_nat.h2
-rw-r--r--openbsc/src/Makefile.am3
-rw-r--r--openbsc/src/nat/bsc_nat.c40
-rw-r--r--openbsc/src/nat/bsc_nat_utils.c67
4 files changed, 72 insertions, 40 deletions
diff --git a/openbsc/include/openbsc/bsc_nat.h b/openbsc/include/openbsc/bsc_nat.h
index 9aa994865..2f2b8c962 100644
--- a/openbsc/include/openbsc/bsc_nat.h
+++ b/openbsc/include/openbsc/bsc_nat.h
@@ -135,6 +135,8 @@ struct bsc_nat {
/* create and init the structures */
struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token, unsigned int lac);
struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num);
+struct bsc_nat *bsc_nat_alloc(void);
+struct bsc_connection *bsc_connection_alloc(struct bsc_nat *nat);
/**
diff --git a/openbsc/src/Makefile.am b/openbsc/src/Makefile.am
index 219e1bd67..615758bed 100644
--- a/openbsc/src/Makefile.am
+++ b/openbsc/src/Makefile.am
@@ -52,5 +52,6 @@ bsc_mgcp_LDADD = libvty.a
ipaccess_proxy_SOURCES = ipaccess/ipaccess-proxy.c debug.c
-bsc_nat_SOURCES = nat/bsc_nat.c nat/bsc_filter.c nat/bsc_sccp.c nat/bsc_nat_vty.c bsc_msc.c bssap.c
+bsc_nat_SOURCES = nat/bsc_nat.c nat/bsc_filter.c nat/bsc_sccp.c \
+ nat/bsc_nat_utils.c nat/bsc_nat_vty.c bsc_msc.c bssap.c
bsc_nat_LDADD = libvty.a libbsc.a libsccp.a
diff --git a/openbsc/src/nat/bsc_nat.c b/openbsc/src/nat/bsc_nat.c
index 7fac457c6..29fd3ea82 100644
--- a/openbsc/src/nat/bsc_nat.c
+++ b/openbsc/src/nat/bsc_nat.c
@@ -61,44 +61,6 @@ static struct bsc_nat *nat;
static void bsc_write(struct bsc_connection *bsc, const u_int8_t *data, unsigned int length);
static void remove_bsc_connection(struct bsc_connection *connection);
-static struct bsc_nat *bsc_nat_alloc(void)
-{
- struct bsc_nat *nat = talloc_zero(tall_bsc_ctx, struct bsc_nat);
- if (!nat)
- return NULL;
-
- INIT_LLIST_HEAD(&nat->sccp_connections);
- INIT_LLIST_HEAD(&nat->bsc_connections);
- INIT_LLIST_HEAD(&nat->bsc_configs);
- return nat;
-}
-
-static struct bsc_connection *bsc_connection_alloc(void)
-{
- struct bsc_connection *con = talloc_zero(nat, struct bsc_connection);
- if (!con)
- return NULL;
-
- return con;
-}
-
-struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token, unsigned int lac)
-{
- struct bsc_config *conf = talloc_zero(nat, struct bsc_config);
- if (!conf)
- return NULL;
-
- conf->token = talloc_strdup(conf, token);
- conf->lac = lac;
- conf->nr = nat->num_bsc;
- conf->nat = nat;
-
- llist_add(&conf->entry, &nat->bsc_configs);
- ++nat->num_bsc;
-
- return conf;
-}
-
struct bsc_config *bsc_config_num(struct bsc_nat *nat, int num)
{
struct bsc_config *conf;
@@ -574,7 +536,7 @@ static int ipaccess_listen_bsc_cb(struct bsc_fd *bfd, unsigned int what)
/*
*
*/
- bsc = bsc_connection_alloc();
+ bsc = bsc_connection_alloc(nat);
if (!bsc) {
LOGP(DNAT, LOGL_ERROR, "Failed to allocate BSC struct.\n");
close(ret);
diff --git a/openbsc/src/nat/bsc_nat_utils.c b/openbsc/src/nat/bsc_nat_utils.c
new file mode 100644
index 000000000..a0b7c2f2e
--- /dev/null
+++ b/openbsc/src/nat/bsc_nat_utils.c
@@ -0,0 +1,67 @@
+
+/* BSC Multiplexer/NAT Utilities */
+
+/*
+ * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
+ * (C) 2010 by On-Waves
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <openbsc/bsc_nat.h>
+#include <openbsc/gsm_data.h>
+
+#include <osmocore/talloc.h>
+
+struct bsc_nat *bsc_nat_alloc(void)
+{
+ struct bsc_nat *nat = talloc_zero(tall_bsc_ctx, struct bsc_nat);
+ if (!nat)
+ return NULL;
+
+ INIT_LLIST_HEAD(&nat->sccp_connections);
+ INIT_LLIST_HEAD(&nat->bsc_connections);
+ INIT_LLIST_HEAD(&nat->bsc_configs);
+ return nat;
+}
+
+struct bsc_connection *bsc_connection_alloc(struct bsc_nat *nat)
+{
+ struct bsc_connection *con = talloc_zero(nat, struct bsc_connection);
+ if (!con)
+ return NULL;
+
+ return con;
+}
+
+struct bsc_config *bsc_config_alloc(struct bsc_nat *nat, const char *token, unsigned int lac)
+{
+ struct bsc_config *conf = talloc_zero(nat, struct bsc_config);
+ if (!conf)
+ return NULL;
+
+ conf->token = talloc_strdup(conf, token);
+ conf->lac = lac;
+ conf->nr = nat->num_bsc;
+ conf->nat = nat;
+
+ llist_add(&conf->entry, &nat->bsc_configs);
+ ++nat->num_bsc;
+
+ return conf;
+}
+