Implemented change command

1 files changed, 99 insertions, 5 deletions

diff --git a/qtctl.c b/qtctl.c
index 9a0708d..caa819c 100644
--- a/qtctl.c
+++ b/qtctl.c
@@ -12,11 +12,13 @@
 
 static void usage()
 {
-	fputs("Usage: qtctl show [dev NAME]\n"
+	fputs("Usage: qtctl show [ dev NAME ]\n"
 	      "       qtctl add [ dev NAME ] [ mode { ethernet | ip } ]\n"
 	      "                 [ local_address ADDRESS ] [ local_port PORT ]\n"
 	      "                 [ remote_address ADDRESS ] [ remote_port PORT ]\n"
-	      "                 [ remote_float ]\n"
+	      "                 [ remote_float { on | off } ]\n"
+	      "       qtctl change dev NAME [ remote_address ADDRESS ] [ remote_port PORT ]\n"
+	      "                    [ remote_float { on | off } ]\n"
 	      "       qtctl del dev NAME\n", stderr);
 
 	exit(2);
@@ -105,7 +107,15 @@ static void add(int argc, char *argv[], struct nl_handle *sock, int family)
 			nla_put_u16(msg, QUICKTUN_A_REMOTE_PORT, htons((short)tmp_ul));
 		}
 		else if (!strcmp(argv[p], "remote_float")) {
-			nla_put_flag(msg, QUICKTUN_A_REMOTE_FLOAT);
+			if ((++p) >= argc)
+				usage();
+
+			if (!strcmp(argv[p], "on"))
+				nla_put_u8(msg, QUICKTUN_A_REMOTE_FLOAT, 1);
+			else if (!strcmp(argv[p], "off"))
+				nla_put_u8(msg, QUICKTUN_A_REMOTE_FLOAT, 0);
+			else
+				usage();
 		}
 		else
 			usage();
@@ -151,6 +161,8 @@ static void del(int argc, char *argv[], struct nl_handle *sock, int family)
 
 			has_dev = 1;
 		}
+		else
+			usage();
 	}
 
 	if (!has_dev)
@@ -166,6 +178,86 @@ static void del(int argc, char *argv[], struct nl_handle *sock, int family)
 	nl_recvmsgs(sock, cb);
 }
 
+static void change(int argc, char *argv[], struct nl_handle *sock, int family)
+{
+	struct nl_msg *msg;
+	struct nl_cb *cb;
+
+	int p = 0;
+
+	char *tmp_charp;
+	struct in_addr tmp_addr;
+	unsigned long tmp_ul;
+
+	int has_dev = 0;
+
+
+	msg = nlmsg_alloc();
+	genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, family, 0, NLM_F_ECHO, QUICKTUN_CMD_CHANGE_DEVICE, 1);
+
+	while ((++p) < argc) {
+		if (!strcmp(argv[p], "dev")) {
+			if ((++p) >= argc)
+				usage();
+
+			if (has_dev)
+				usage();
+
+			tmp_charp = strndup(argv[p], IFNAMSIZ - 1);
+			nla_put_string(msg, QUICKTUN_A_IFNAME, tmp_charp);
+			free(tmp_charp);
+
+			has_dev = 1;
+		}
+		else if (!strcmp(argv[p], "remote_address")) {
+			if ((++p) >= argc)
+				usage();
+
+			if (!(inet_aton(argv[p], &tmp_addr)))
+				usage();
+
+			nla_put_u32(msg, QUICKTUN_A_REMOTE_ADDRESS, tmp_addr.s_addr);
+		}
+		else if (!strcmp(argv[p], "remote_port")) {
+			if ((++p) >= argc)
+				usage();
+
+			tmp_ul = strtoul(argv[p], &tmp_charp, 10);
+
+			if (*tmp_charp)
+				usage();
+
+			nla_put_u16(msg, QUICKTUN_A_REMOTE_PORT, htons((short)tmp_ul));
+		}
+		else if (!strcmp(argv[p], "remote_float")) {
+			if ((++p) >= argc)
+				usage();
+
+			if (!strcmp(argv[p], "on"))
+				nla_put_u8(msg, QUICKTUN_A_REMOTE_FLOAT, 1);
+			else if (!strcmp(argv[p], "off"))
+				nla_put_u8(msg, QUICKTUN_A_REMOTE_FLOAT, 0);
+			else
+				usage();
+		}
+		else
+			usage();
+	}
+
+	if (!has_dev)
+		usage();
+
+
+	nl_send_auto_complete(sock, msg);
+
+	nlmsg_free(msg);
+
+	cb = nl_cb_alloc(NL_CB_DEFAULT);
+	nl_cb_err(cb, NL_CB_CUSTOM, print_error, NULL);
+
+	nl_recvmsgs(sock, cb);
+}
+
 static int show_callback(struct nl_msg *msg, void *arg)
 {
 	struct nlmsghdr *nlh = nlmsg_hdr(msg);
@@ -189,7 +281,7 @@ static int show_callback(struct nl_msg *msg, void *arg)
 		nla_parse_nested(nested, QUICKTUN_A_MAX, pos, NULL);
 
 		if(!nested[QUICKTUN_A_IFNAME] || !nested[QUICKTUN_A_MODE] || !nested[QUICKTUN_A_LOCAL_ADDRESS] || !nested[QUICKTUN_A_LOCAL_PORT]
-		   || !nested[QUICKTUN_A_REMOTE_ADDRESS] || !nested[QUICKTUN_A_REMOTE_PORT])
+		   || !nested[QUICKTUN_A_REMOTE_ADDRESS] || !nested[QUICKTUN_A_REMOTE_PORT] || !nested[QUICKTUN_A_REMOTE_FLOAT])
 			continue;
 
 		printf("%s: %s  ", nla_get_string(nested[QUICKTUN_A_IFNAME]), (nla_get_u16(nested[QUICKTUN_A_MODE]) == QUICKTUN_MODE_ETHERNET) ? "ethernet" : (nla_get_u16(nested[QUICKTUN_A_MODE]) == QUICKTUN_MODE_IP) ? "ip" : "unknown" );
@@ -200,7 +292,7 @@ static int show_callback(struct nl_msg *msg, void *arg)
 		addr.s_addr = nla_get_u32(nested[QUICKTUN_A_REMOTE_ADDRESS]);
 		printf("remote %s:%u  ", inet_ntoa(addr), ntohs(nla_get_u16(nested[QUICKTUN_A_REMOTE_PORT])));
 
-		printf("remote_float %s\n", nla_get_flag(nested[QUICKTUN_A_REMOTE_FLOAT]) ? "on" : "off");
+		printf("remote_float %s\n", nla_get_u8(nested[QUICKTUN_A_REMOTE_FLOAT]) ? "on" : "off");
 	}
 
 	return NL_STOP;
@@ -267,6 +359,8 @@ int main(int argc, char *argv[])
 		add(argc-1, argv+1, sock, family);
 	else if (!strcmp(argv[1], "del"))
 		del(argc-1, argv+1, sock, family);
+	else if (!strcmp(argv[1], "change"))
+		change(argc-1, argv+1, sock, family);
 	else if (!strcmp(argv[1], "show"))
 		show(argc-1, argv+1, sock, family);
 	else