{"id":4795,"date":"2023-06-20T13:43:46","date_gmt":"2023-06-20T05:43:46","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=4795"},"modified":"2023-09-21T19:28:10","modified_gmt":"2023-09-21T11:28:10","slug":"using-smcroute-to-address-multicast-communication-for-virtual-android","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/using-smcroute-to-address-multicast-communication-for-virtual-android.html","title":{"rendered":"smcroute\u89e3\u51b3\u5b89\u5353\u865a\u62df\u673a\u591a\u64ad\u8def\u7531"},"content":{"rendered":"
\n
\n \t<\/i> Read Time:<\/span>2 Minute, 15 Second <\/div>\n\n <\/div>\n

\u80cc\u666f\u4ecb\u7ecd<\/h2>\n\n\n\n

\u4e4b\u524d\u6709\u4e00\u7bc7\u6587\u7ae0\u8bb2\u8fc7\uff0c\u6211\u5c1d\u8bd5\u5c06\u767e\u5ea6Apollo\u6846\u67b6\u4e0b\u7684\u901a\u4fe1\u6846\u67b6CyberRT\u79fb\u690d\u5230\u5b89\u5353\u7cfb\u7edf\u3002\u5e76\u4e14\u8be5\u5b89\u5353\u7cfb\u7edf\u662f\u4f5c\u4e3a\u4e00\u4e2a\u865a\u62df\u673a\u8fd0\u884c\u5728Ubuntu\u7cfb\u7edf\u4e0a\u3002\u57fa\u4e8eAndroid Cuttlefish\u6846\u67b6\uff0c\u5b89\u5353\u865a\u62df\u673a\u501f\u7531CrosVM\u521b\u5efa\u7684\u865a\u62df\u7f51\u5361\u80fd\u591f\u5b9e\u73b0\u5b89\u5353Guest\u4e0eUbuntu Host\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u4f46\u662f\u79fb\u690d\u5b8cCyberRT\u4e4b\u540e\u6211\u53d1\u73b0\u65e0\u6cd5\u6b63\u5e38\u5c06CybertRT\u7684\u6d4b\u8bd5\u7528\u4f8b\u8dd1\u8fc7\u3002\u539f\u56e0\u5f52\u7ed3\u5230CyberRT\u901a\u4fe1\u8fc7\u7a0b\u4e2d\u7684\u591a\u64ad\u8def\u7531\u95ee\u9898\uff0c\u672c\u7bc7\u535a\u5ba2\u5c06\u7559\u4f5c\u4e00\u4e2a\u8bb0\u5f55\u3002<\/p>\n\n\n\n

CyberRT\u6846\u67b6<\/h2>\n\n\n\n

\u767e\u5ea6Apollo Cyber\u200b\u200bRT \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u9ad8\u6027\u80fd\u7684\u8fd0\u884c\u65f6\u6846\u67b6\uff0c\u4e13\u4e3a\u81ea\u52a8\u9a7e\u9a76\u573a\u666f\u800c\u8bbe\u8ba1\u3002\u9488\u5bf9\u81ea\u52a8\u9a7e\u9a76\u7684\u9ad8\u5e76\u53d1\u3001\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u541e\u5410\u91cf\u8fdb\u884c\u4e86\u5927\u5e45\u4f18\u5316\u3002<\/p>\n\n\n\n

\u5728\u4f7f\u7528\u4e0a\uff0cCyberRT\u652f\u6301\u670d\u52a1\u53d1\u73b0\u4ee5\u53ca\u8ba2\u9605\u53d1\u5e03\u673a\u5236\uff0c\u5e76\u4e14\u652f\u6301\u8de8\u8fdb\u7a0b\u3001\u8de8\u4e3b\u673a\u901a\u4fe1\uff0c\u8fd8\u63d0\u4f9b\u4e86\u5171\u4eab\u5185\u5b58\u80fd\u529b\u3002<\/p>\n\n\n\n

\u5728\u901a\u4fe1\u5e95\u5c42\u94fe\u8def\u4e0a\uff0cCyberRT\u57fa\u4e8eUDP\u7ec4\u64ad\uff0c\u4e2d\u95f4\u501f\u52a9FastDDS\u8fdb\u884c\u5b9e\u65f6\u901a\u4fe1\u7684\u63a7\u5236\u3002\u7531\u4e8e\u6211\u5bf9\u5e95\u5c42\u901a\u4fe1\u7684\u4e86\u89e3\u5e76\u4e0d\u662f\u5f88\u591a\uff0c\u6b64\u5904\u7565\u8fc7\u4e0d\u8868\u3002<\/p>\n\n\n\n

\u901a\u4fe1\u94fe\u8def<\/h2>\n\n\n\n

\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\uff0c\u8fd9\u91cc\u5c06\u4f1a\u5148\u4ecb\u7ecd\u6574\u4e2a\u7cfb\u7edf\u901a\u4fe1\u7684\u62d3\u535c\u7ed3\u6784\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\uff0c\u5916\u90e8\u5b58\u5728ADAS\u63a7\u5236\u5668\uff0c\u901a\u8fc7\u4ee5\u592a\u7f51\u7f51\u7ebf\u8fde\u63a5\u5230Ubuntu Host\u4fa7\uff0c\u5728Ubuntu\u4e0a\uff0c\u6211\u4eec\u5219\u8fd0\u884cAndroid Trout\u865a\u62df\u673a\u3002<\/p>\n\n\n\n

\u5728\u672a\u8bbe\u7f6e\u591a\u64ad\u8def\u7531\u8f6c\u53d1\u7684\u60c5\u51b5\u4e0b\uff0cADAS\u53d1\u51fa\u7684cyberRT\u6570\u636e\u5305\u53ea\u80fd\u5230\u8fbeUbuntu Host\u4fa7\uff0c\u65e0\u6cd5\u62b5\u8fbeAndroid Trout\u865a\u62df\u673a\u5185\uff0c\u53cd\u8fc7\u6765Android\u7684cyberRT\u6570\u636e\u5305\u4ea6\u65e0\u6cd5\u62b5\u8fbeADAS\u63a7\u5236\u5668\u3002\u6700\u7ec8\u6211\u4eec\u901a\u8fc7\u914d\u7f6esmcroute\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n\n\n\n

\u5b89\u88c5\u4e0e\u914d\u7f6e<\/h2>\n\n\n\n

\u4f60\u53ef\u4ee5\u5728Gitub\u4e0a\u627e\u5230smcroute\u7684\u5b98\u65b9\u4ed3\u5e93<\/a>\uff0c\u4ee5\u53ca\u83b7\u53d6\u4f7f\u7528\u76f8\u5173\u7684\u5e2e\u52a9\u4fe1\u606f\u3002<\/p>\n\n\n\n

\u4ee5Ubuntu\u5bbf\u4e3b\u673a\u4e3a\u4f8b\uff0c\u6211\u4eec\u4f7f\u7528apt\u6765\u5b89\u88c5smcroute\uff1a<\/p>\n\n\n\n

sudo apt-get update && sudo apt-get install smcroute<\/code><\/pre>\n\n\n\n
\u5728\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u914d\u7f6esmcroute\u6765\u4f7f\u5176\u5de5\u4f5c\uff0csmcroute\u4f9d\u8d56\u4e8e\/etc\/smcroute.conf\u914d\u7f6e\u6587\u4ef6\u3002\u5728\u6211\u4eec\u5b89\u88c5\u5b8c\u6210\u65f6\uff0c\u6211\u4eec\u9700\u8981\u624b\u52a8\u521b\u5efa\u8be5\u6587\u4ef6\u5e76\u5199\u5165\u76f8\u5173\u914d\u7f6e\u5185\u5bb9\uff1a<\/p>\n\n\n\n
phyint enp0s31f6zai1                                                                                                                                                                                        \nphyint cvd_wbr\nmroute from enp0s31f6 group 239.255.0.1 to cvd-wbr\nmroute from cvd-wbr group 239.255.0.1 to enp0s31f6<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u6765\u89e3\u91ca\u4e00\u4e0b\u914d\u7f6e\u6587\u4ef6\u4e2d\u5404\u884c\u7684\u542b\u4e49\uff1a<\/p>\n\n\n\n
phyint enp0s31f6zai1                                                                                                                                                                                        \nphyint cvd_wbr<\/code><\/pre>\n\n\n\n
\u8fd9\u4e24\u884c\u7528\u4e8e\u8bbe\u7f6e\u591a\u64ad\u8def\u7531\u4e2d\u6d89\u53ca\u5230\u7684\u7f51\u5361\uff0c\u5176\u4e2denp0s31f6zai1\u662fUbuntu\u5bbf\u4e3b\u673a\u5b9e\u9645\u7684\u7269\u7406\u7f51\u5361\uff0c\u63a5\u6536\u7531ADAS\u63a7\u5236\u5668\u53d1\u51fa\u7684\u6570\u636e\u5305\uff0c\u800ccvd-wbr\u662f\u7531Trout CrosVM\u865a\u62df\u51fa\u6765\u7684\u865a\u62df\u7f51\u5361\uff0c\u7528\u4e8eTrout\u4e0eTrout Host\u4e4b\u95f4\u7684\u7f51\u7edc\u901a\u4fe1\u3002\u6211\u4eec\u9700\u8981\u5728smcroute\u914d\u7f6e\u4e2d\u663e\u5f0f\u5730\u6307\u660e\u6d89\u53ca\u5230\u8f6c\u53d1\u7684\u4e24\u4e2a\u7f51\u5361\u3002<\/p>\n\n\n\n
\u4e3a\u4ec0\u4e48\u662fcvd_wbr\u7f51\u5361\u5462\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u770b\u8be5\u7f51\u5361\u7684\u4fe1\u606f\uff1a<\/p>\n\n\n\n
cvd-wbr: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 192.168.96.1  netmask 255.255.255.0  broadcast 192.168.96.255\n        inet6 fe80::34f9:6bff:fe17:96ea  prefixlen 64  scopeid 0x20<link>\n        ether 12:fe:dd:6a:99:49  txqueuelen 1000  (Ethernet)\n        RX packets 61436  bytes 6570811 (6.5 MB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 15383  bytes 5081012 (5.0 MB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0<\/code><\/pre>\n\n\n\n
\u518d\u8fdb\u5165\u5bbf\u4e3b\u673a\u5185\uff0c\u67e5\u770b\u7f51\u5361\u4fe1\u606f\uff1a<\/p>\n\n\n\n
cvd-wbr: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500\n        inet 192.168.96.1  netmask 255.255.255.0  broadcast 192.168.96.255\n        inet6 fe80::34f9:6bff:fe17:96ea  prefixlen 64  scopeid 0x20<link>\n        ether 12:fe:dd:6a:99:49  txqueuelen 1000  (Ethernet)\n        RX packets 61436  bytes 6570811 (6.5 MB)\n        RX errors 0  dropped 0  overruns 0  frame 0\n        TX packets 15383  bytes 5081012 (5.0 MB)\n        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u770b\u5230Trout Host\u4fa7\u7684cvd_wbr\u7f51\u5361\u4e0eTrout\u5185\u7684eth2\u7f51\u5361\u662f\u5904\u4e8e\u540c\u4e00\u4e2a\u7f51\u6bb5\u7684\uff0c\u4e5f\u5c31\u662f\u901a\u8fc7cvd_wbr\u5c06Host\u4fa7\u7684\u7f51\u7edc\u6570\u636e\u5305\u8f6c\u53d1\u5230\u4e86Trout\u5185\u7684eth2\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u5c06cvd_wbr\u56ca\u62ec\u8fdb\u6765\u3002<\/p>\n\n\n\n
\u518d\u770b\u63a5\u4e0b\u6765\u4e24\u884c\uff1a<\/p>\n\n\n\n
mroute from enp0s31f6 group 239.255.0.1 to cvd-wbr\nmroute from cvd-wbr group 239.255.0.1 to enp0s31f6<\/code><\/pre>\n\n\n\n
\u7b2c\u4e00\u884c\u8868\u793a\u4ece\u7f51\u5361\u8bbe\u5907enp0s31f6\u4e2d\u5c06\u5f52\u5c5e\u4e8e239.255.0.1\u7ec4\u7684\u7f51\u7edc\u6570\u636e\u5305\u8f6c\u53d1\u81f3cvd-wbr\u3002<\/p>\n\n\n\n
\u7b2c\u4e8c\u884c\u8868\u793a\u4ece\u7f51\u5361\u8bbe\u5907cvd-wbr\u4e2d\u5c06\u5f52\u5c5e\u4e8e239.255.0.1\u7ec4\u7684\u7f51\u7edc\u6570\u636e\u5305\u8f6c\u53d1\u81f3enp0s31f6\u3002<\/p>\n\n\n\n
\u5176\u4e2d239.255.0.1\u7684\u914d\u7f6e\u6765\u6e90Apollo Cyber\u7684\u7ec4\u64ad\u5730\u5740\u8bbe\u5b9a\u3002\u901a\u8fc7\u4e0a\u8ff0\u8bbe\u5b9a\uff0c\u5b8c\u6210\u7ec4\u64ad\u6570\u636e\u7684\u53cc\u5411\u4ea4\u4e92\u3002<\/p>\n\n\n\n
\u5728\u5b8c\u6210\u4e0a\u8ff0\u8bbe\u5b9a\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u91cd\u65b0\u542f\u52a8smcroute\uff1a<\/p>\n\n\n\n
systemctl restart smcroute<\/code><\/pre>\n\n\n\n
\u5728\u5de5\u4f5c\u6b63\u5e38\u7684\u4e0b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528tcpdump\u5de5\u5177\u5206\u522b\u5728Ubuntu Host\u4fa7\u4e0eTrout\u5185\u8fdb\u884c\u68c0\u6d4b\uff0c\u89c2\u5bdf\u662f\u5426\u5b58\u5728\u5bf9\u5e94\u7684\u6570\u636e\u5305\u4f20\u8f93\u3002<\/p>\n\n\n\n
tcpdump -i interface_name src SRC_IP<\/code><\/pre>\n\n\n\n
\u5982\u4e24\u8005\u90fd\u5b58\u5728\uff0c\u5219\u8868\u660esmcroute\u591a\u64ad\u8f6c\u53d1\u662f\u6b63\u5e38\u5de5\u4f5c\u7684\u3002<\/p>\n\n\n\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\uff0c\u53ef\u80fd\u7684\u539f\u56e0\u662fsmcroute\u672c\u8eab\u5728\u6570\u636e\u8f6c\u53d1\u7684\u8fc7\u7a0b\u4e2d\u5c06ttl \u503c\u51cf1\u4e86\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u5728\u8def\u7531\u8fc7\u7a0b\u4e2d\u7531\u4e8ettl=0\u800c\u88ab\u4e22\u5f03\uff0c\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u540ciptables\u624b\u52a8\u5c06ttl \u52a01\uff1a<\/p>\n\n\n\n
iptables -t mangle -A PREROUTING -i enp0s31f6 -o cvd-wbr -d 239.255.0.1 -j TTL --ttl-inc 1\niptables -t mangle -A PREROUTING -i cvd-wbr -o enp0s31f6 -d 239.255.0.1 -j TTL --ttl-inc 1<\/code><\/pre>\n\n\n\n
\u4ece\u4e0a\u9762\u7684\u914d\u7f6e\u6765\u770b\uff0csmcroute\u6240\u8d77\u5230\u7684\u4f5c\u7528\u5176\u5b9e\u4e5f\u5c31\u662f\u8f6c\u53d1\u3002\u800c\u5916\u90e8\u7684ADAS\u63a7\u5236\u5668\u5728\u6570\u636e\u5305\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8fd8\u9700\u8981\u77e5\u9053\u5982\u4f55\u5c06\u6570\u636e\u5305\u4f20\u8f93\u5230Android\u865a\u62df\u673a\u5185\uff0c\u6b64\u65f6\u5219\u9700\u8981\u914d\u7f6eADAS\u7684\u8def\u7531\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n
route add -net 192.168.96.0\/24  gw 10.28.10.41<\/code><\/pre>\n\n\n\n
\u4e0a\u8ff0\u547d\u4ee4\u5219\u4f7fADAS\u6570\u636e\u5305\u4e2d\u76ee\u6807IP\u5730\u5740\u4e3a192.168.96.0\/24\u6bb5\u7684\u6570\u636e\u901a\u8fc710.28.10.41\uff08Ubuntu Host\u7684IP\u5730\u5740\uff09\u8fdb\u884c\u8def\u7531\u3002\u81ea\u6b64\uff0c\u4e24\u7aef\u5373\u53ef\u6b63\u5e38\u901a\u4fe1\u3002<\/p>\n\n\n\n
\u5728\u4f7f\u7528smcroute\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8fd8\u53d1\u73b0\u5176\u5728\u542f\u52a8\u9636\u6bb5\u4f1a\u5076\u53d1\u6027\u62a5\u9519\uff0c\u5177\u4f53\u63d0\u793a\u5982\u4e0b\uff1a<\/p>\n\n\n\n
Kernel MAXVIFS(32) too small for number of interfaces:Can't allocate memory<\/code><\/pre>\n\n\n\n
\u5728\u6211\u6d4f\u89c8\u4e86\u4f5c\u8005\u7684issue\u533a\u4e4b\u540e\u627e\u5230\u4e86\u89e3\u51b3\u529e\u6cd5\uff0c\u90a3\u5c31\u662f\u66f4\u65b0\u7248\u672c\uff1b\u7531\u4e8eUbuntu\u4e2d\u6253\u5305\u7684\u7248\u672c\u6bd4\u8f83\u8001\uff0c\u6211\u9009\u62e9\u624b\u52a8\u7f16\u8bd1\u6700\u65b0\u7248\u672c\u8fdb\u884c\u5b89\u88c5\u66f4\u65b0\uff0c\u6210\u529f\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n        
\n            
\n                \n                
\n                    \n                        \"Happy\"\n                    <\/a>\n                    
\n                        Happy                    <\/div>\n                    
\n                                                    1<\/span>\n                        \n                                                100<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sad\"\n                    <\/a>\n                    
\n                        Sad                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Excited\"\n                    <\/a>\n                    
\n                        Excited                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sleepy\"\n                    <\/a>\n                    
\n                        Sleepy                    <\/div>\n                    
\n                                                    0<\/span>\n                        \n                                                0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Angry\"\n                    <\/a>\n                    
Angry<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Surprise\"\n                    <\/a>\n                    
Surprise<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"
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