From 7c577e23dde00c759db0cca0898809c3d278b37a Mon Sep 17 00:00:00 2001 From: Zhijiang Hu Date: Thu, 6 Apr 2017 23:21:42 -0400 Subject: jasmine(Just A Simple Multicast engINE) Initial merge Change-Id: I7a543019c8d92314ef549bf72369b7276f39577d Signed-off-by: Zhijiang Hu --- code/jasmine/udp-common.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100755 code/jasmine/udp-common.h (limited to 'code/jasmine/udp-common.h') diff --git a/code/jasmine/udp-common.h b/code/jasmine/udp-common.h new file mode 100755 index 00000000..861545b4 --- /dev/null +++ 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 +#include +#include + +#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 -- cgit 1.2.3-korg