1 files changed, 42 insertions, 0 deletions
diff --git a/code/jasmine/udp-common.h b/code/jasmine/udp-common.h
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+++ b/code/jasmine/udp-common.h
@@ -0,0 +1,42 @@
+/*##############################################################################
+# Copyright (c) 2017 ZTE Coreporation and others.
+# hu.zhijiang@zte.com.cn
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################*/
+
+#ifndef _MCAST_UDP_COMMON_H
+#define _MCAST_UDP_COMMON_H
+
+#include <unistd.h>
+#include <netinet/ip.h>
+#include <netinet/udp.h>
+
+#define MCAST_DPORT DEF_PORT
+
+#define MCAST_TTL 8
+/*
+ * Force reuse
+ */
+#define MCAST_REUSE 1
+
+/*
+ * Loop to let server host itself can receive data too.
+ */
+#define MCAST_LOOP 1
+#define MCAST_ADDR_BASE "224.238.0."
+#define MCAST_ADDR_SUFFIX "31"
+
+// Initial data
+struct mc_info {
+    struct sockaddr_in group;
+};
+
+extern struct mc_info mcinfo;
+
+// How to capture udp packets: tcpdump -i ethx udp -vv -n
+
+int init_mcast_socket(struct in_addr *local_addr, struct sockaddr_in *maddr);
+#endif