hnbgw: parameterize IuCS and IuPS ips and ports: add vty cmds

Basically copy-paste the Iuh local-ip and local-port code to provide
parameterization of the IuCS and IuPS remote addresses.

Add IUCS and IUPS nodes, enhance go_parent_cb and config writing accordingly.

Change-Id: I2c28977011009df4e1fa472290bbbc359e406971
diff --git a/src/hnbgw_vty.c b/src/hnbgw_vty.c
index a458c76..59871da 100644
--- a/src/hnbgw_vty.c
+++ b/src/hnbgw_vty.c
@@ -24,6 +24,7 @@
 
 #include <osmocom/iuh/hnbgw.h>
 #include <osmocom/iuh/context_map.h>
+#include <osmocom/sigtran/protocol/sua.h>
 
 static void *tall_hnb_ctx = NULL;
 static struct hnb_gw *g_hnb_gw = NULL;
@@ -54,10 +55,38 @@
 	return CMD_SUCCESS;
 }
 
+static struct cmd_node iucs_node = {
+	IUCS_NODE,
+	"%s(config-hnbgw-iucs)# ",
+	1,
+};
+
+DEFUN(cfg_hnbgw_iucs, cfg_hnbgw_iucs_cmd,
+      "iucs", "Configure IuCS options")
+{
+	vty->node = IUCS_NODE;
+	return CMD_SUCCESS;
+}
+
+static struct cmd_node iups_node = {
+	IUPS_NODE,
+	"%s(config-hnbgw-iups)# ",
+	1,
+};
+
+DEFUN(cfg_hnbgw_iups, cfg_hnbgw_iups_cmd,
+      "iups", "Configure IuPS options")
+{
+	vty->node = IUPS_NODE;
+	return CMD_SUCCESS;
+}
+
 int hnbgw_vty_go_parent(struct vty *vty)
 {
 	switch (vty->node) {
 	case IUH_NODE:
+	case IUCS_NODE:
+	case IUPS_NODE:
 		vty->node = HNBGW_NODE;
 		vty->index = NULL;
 		break;
@@ -153,6 +182,40 @@
 	return CMD_SUCCESS;
 }
 
+DEFUN(cfg_hnbgw_iucs_remote_ip, cfg_hnbgw_iucs_remote_ip_cmd, "remote-ip A.B.C.D",
+      "Address to establish IuCS core network link to\n"
+      "Remote IuCS IP address (default: " HNBGW_IUCS_REMOTE_IP_DEFAULT ")")
+{
+	talloc_free((void*)g_hnb_gw->config.iucs_remote_ip);
+	g_hnb_gw->config.iucs_remote_ip = talloc_strdup(tall_hnb_ctx, argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_hnbgw_iucs_remote_port, cfg_hnbgw_iucs_remote_port_cmd, "remote-port <1-65535>",
+      "Remote port to establish IuCS core network link to\n"
+      "Remote IuCS port (default: 14001)")
+{
+	g_hnb_gw->config.iucs_remote_port = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_hnbgw_iups_remote_ip, cfg_hnbgw_iups_remote_ip_cmd, "remote-ip A.B.C.D",
+      "Address to establish IuPS core network link to\n"
+      "Remote IuPS IP address (default: " HNBGW_IUPS_REMOTE_IP_DEFAULT ")")
+{
+	talloc_free((void*)g_hnb_gw->config.iups_remote_ip);
+	g_hnb_gw->config.iups_remote_ip = talloc_strdup(tall_hnb_ctx, argv[0]);
+	return CMD_SUCCESS;
+}
+
+DEFUN(cfg_hnbgw_iups_remote_port, cfg_hnbgw_iups_remote_port_cmd, "remote-port <1-65535>",
+      "Remote port to establish IuPS core network link to\n"
+      "Remote IuPS port (default: 14001)")
+{
+	g_hnb_gw->config.iups_remote_port = atoi(argv[0]);
+	return CMD_SUCCESS;
+}
+
 static int config_write_hnbgw(struct vty *vty)
 {
 	vty_out(vty, "hnbgw%s", VTY_NEWLINE);
@@ -180,6 +243,42 @@
 	return CMD_SUCCESS;
 }
 
+static int config_write_hnbgw_iucs(struct vty *vty)
+{
+	const char *addr;
+	uint16_t port;
+
+	vty_out(vty, " iucs%s", VTY_NEWLINE);
+
+	addr = g_hnb_gw->config.iucs_remote_ip;
+	if (addr && (strcmp(addr, HNBGW_IUCS_REMOTE_IP_DEFAULT) != 0))
+		vty_out(vty, "  remote-ip %s%s", addr, VTY_NEWLINE);
+
+	port = g_hnb_gw->config.iucs_remote_port;
+	if (port && port != SUA_PORT)
+		vty_out(vty, "  remote-port %u%s", port, VTY_NEWLINE);
+
+	return CMD_SUCCESS;
+}
+
+static int config_write_hnbgw_iups(struct vty *vty)
+{
+	const char *addr;
+	uint16_t port;
+
+	vty_out(vty, " iups%s", VTY_NEWLINE);
+
+	addr = g_hnb_gw->config.iups_remote_ip;
+	if (addr && (strcmp(addr, HNBGW_IUPS_REMOTE_IP_DEFAULT) != 0))
+		vty_out(vty, "  remote-ip %s%s", addr, VTY_NEWLINE);
+
+	port = g_hnb_gw->config.iups_remote_port;
+	if (port && port != SUA_PORT)
+		vty_out(vty, "  remote-port %u%s", port, VTY_NEWLINE);
+
+	return CMD_SUCCESS;
+}
+
 void hnbgw_vty_init(struct hnb_gw *gw, void *tall_ctx)
 {
 	g_hnb_gw = gw;
@@ -197,6 +296,20 @@
 	install_element(IUH_NODE, &cfg_hnbgw_iuh_local_port_cmd);
 	install_element(IUH_NODE, &cfg_hnbgw_iuh_hnbap_allow_tmsi_cmd);
 
+	install_element(HNBGW_NODE, &cfg_hnbgw_iucs_cmd);
+	install_node(&iucs_node, config_write_hnbgw_iucs);
+	vty_install_default(IUCS_NODE);
+
+	install_element(IUCS_NODE, &cfg_hnbgw_iucs_remote_ip_cmd);
+	install_element(IUCS_NODE, &cfg_hnbgw_iucs_remote_port_cmd);
+
+	install_element(HNBGW_NODE, &cfg_hnbgw_iups_cmd);
+	install_node(&iups_node, config_write_hnbgw_iups);
+	vty_install_default(IUPS_NODE);
+
+	install_element(IUPS_NODE, &cfg_hnbgw_iups_remote_ip_cmd);
+	install_element(IUPS_NODE, &cfg_hnbgw_iups_remote_port_cmd);
+
 	install_element_ve(&show_hnb_cmd);
 	install_element_ve(&show_ue_cmd);
 	install_element_ve(&show_talloc_cmd);