{"id":247,"date":"2009-10-20T17:14:14","date_gmt":"2009-10-20T09:14:14","guid":{"rendered":"http:\/\/115.29.108.60\/?p=247"},"modified":"2011-09-26T21:40:53","modified_gmt":"2011-09-26T13:40:53","slug":"omnet%e5%ae%9e%e7%8e%b0%e9%9a%8f%e6%9c%ba%e6%8b%93%e6%89%91","status":"publish","type":"post","link":"http:\/\/115.29.108.60\/?p=247","title":{"rendered":"OMNeT++\u5b9e\u73b0\u968f\u673a\u62d3\u6251"},"content":{"rendered":"

\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

MyOMNet.ned<\/p>\n

network MyOMNeT
\n{
\n\u00a0\u00a0\u00a0 parameters:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 int width;\u00a0\/\/\u5e03\u5c40\u5bbd
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 int height;\u00a0\/\/\u5e03\u5c40\u9ad8
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 int numHosts;\u00a0\/\/ number of hosts
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 @display(“bgi=maps\/usa”);
\n\u00a0\u00a0\u00a0 submodules:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 server: Server;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 host[numHosts]: Host;
\n\u00a0\u00a0\u00a0 connections:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 for i=0..numHosts-1 {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0host[i].out –> { delay = 100ms; } –> server.in++;
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\n}<\/p>\n

Server.cc<\/p>\n

void Server::initialize()
\n{
\n\u00a0\/\/\u8bbe\u7f6e\u7f51\u7edc\u5e03\u5c40\u5927\u5c0f
\n\u00a0\u00a0\u00a0 net = simulation.getModuleByPath(“MyOMNeT”);
\n\u00a0\u00a0\u00a0 if(!net) error(“net not found”);
\n\u00a0\u00a0\u00a0 \/\/\u6ce8\u91ca\u6389\u7684\u65b9\u6cd5\u9700\u4f7f\u7528\u5934\u6587\u4ef6\u4e2d\u7684\u5168\u5c40\u53d8\u91cf
\n\u00a0\u00a0\u00a0 \/\/net->getDisplayString().setTagArg(“bgb”, 0, width);
\n\u00a0\u00a0\u00a0 \/\/net->getDisplayString().setTagArg(“bgb”, 1, height);
\n\u00a0\u00a0\u00a0 int width = net->par(“width”);
\n\u00a0\u00a0\u00a0 int height = net->par(“height”);
\n\u00a0\u00a0\u00a0 net->getDisplayString().setTagArg(“bgb”, 0, width);
\n\u00a0\u00a0\u00a0 net->getDisplayString().setTagArg(“bgb”, 1, height);<\/p>\n

\u00a0\u00a0\u00a0 if (ev.isGUI())
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 getDisplayString().setTagArg(“i2″,0,”x_off”);
\n}<\/p>\n

Host.h<\/p>\n

\/\/\u968f\u673a\u6570\u79cd\u5b50
\nstatic long ltime = 0;<\/p>\n

\/\/\u5757\u7ed3\u6784\u4f53
\ntypedef struct _BLOCK {
\n\u00a0int x;\/\/x\u8f74\u8d77\u59cb\u5750\u6807\uff0c\u6700\u521d\u8bbe\u8ba1\u4e3aconst\uff0c\u4f46\u8003\u8651\u5230\u7528\u6237\u8f93\u5165\u8d85\u8fc7\u5e03\u5c40\uff0c\u6545\u968f\u673a\u5206\u914d\u524d\u5224\u65ad\u5e76\u4fee\u6539\u3002
\n\u00a0int y;\/\/y\u8f74\u8d77\u59cb\u5750\u6807\uff0c\u540c\u4e0a\u3002
\n\u00a0int width;\/\/\u5bbd\uff0c\u540c\u4e0a\u3002
\n\u00a0int height;\/\/\u9ad8\uff0c\u540c\u4e0a\u3002
\n\u00a0int num;\/\/\u5757\u5185\u4e3b\u673a\u6570
\n}BLOCK, *LPBLOCK;<\/p>\n

\/\/\u6309\u5757\u7ed3\u6784\u4f53\u8bbe\u7f6e\u5404\u5757\u53c2\u6570\uff0c\u5e76\u4fee\u6539.cc\u6587\u4ef6for\u5faa\u73af\u4e2d\u7684i < 4\u4e3ai < \u5f53\u524d\u5757\u6570\u3002
\nBLOCK b[4] = {{0, 0, 100, 100, 1}, {0, 400, 100, 100, 1}, {400, 0, 100, 100, 1}, {400, 400, 100, 100, 1}};<\/p>\n

Host.cc<\/p>\n

void Host::initialize()
\n{
\n\u00a0\u00a0\u00a0 server = simulation.getModuleByPath(“server”);
\n\u00a0\u00a0\u00a0 if (!server) error(“server not found”);<\/p>\n

\u00a0\u00a0\u00a0 if (ev.isGUI())
\n\u00a0\u00a0\u00a0 {
\n\u00a0\u00a0\u00a0 \u00a0\/\/\u5757\u5185\u968f\u673a
\n\u00a0\u00a0\u00a0 \u00a0for(int i = 0; i < 4; i++)
\n\u00a0\u00a0\u00a0 \u00a0{
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\/\/\u524d\u9762\u5757\u5185\u4e3b\u673a\u672a\u5b8c\u6210\u968f\u673a\u5206\u914d\uff0c\u5219\u4e0d\u8fdb\u884c\u540e\u9762\u5757\u5185\u4e3b\u673a\u7684\u968f\u673a\u5206\u914d\u3002
\n\u00a0\u00a0\u00a0 \u00a0\u00a0if(0 != b[i].num)
\n\u00a0\u00a0\u00a0 \u00a0\u00a0{
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\/\/\u7b2c\u4e00\u4e2a\u4e3b\u673a\u8fdb\u884c\u968f\u673a\u5206\u914d\u65f6\u4ee5\u5f53\u524d\u65f6\u95f4\u4e3a\u968f\u673a\u6570\u79cd\u5b50\uff0c\u4e4b\u540e\u7684\u968f\u673a\u6570\u79cd\u5b50\u968f\u673a\u4ea7\u751f\u3002
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(0 == ltime)
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0time(&ltime);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0srand(ltime);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\/\/\u5224\u65ad\u5e76\u4fee\u6539\u8d85\u8fc7\u5e03\u5c40\u5927\u5c0f\u7684\u9519\u8bef\u503c
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0cModule* net = simulation.getModuleByPath(“MyOMNeT”);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(!net) error(“net not found”);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0int width = net->par(“width”);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0int height = net->par(“height”);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(b[i].x >= width) {
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].x = width – 1;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].width = 1;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(b[i].y >= height) {
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].y = height – 1;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].height = 1;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0}
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(b[i].x + b[i].width > width)
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].width = width – b[i].x;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0if(b[i].y + b[i].height > height)
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0b[i].height = height – b[i].y;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\/\/\u968f\u673a\u4ea7\u751f\u5750\u6807\u548c\u4e0b\u4e00\u4e2a\u968f\u673a\u6570\u79cd\u5b50
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0long x = b[i].x + rand()%b[i].width;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0long y = b[i].y + rand()%b[i].height;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0ltime += rand();
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 this->getDisplayString().setTagArg(“p”,0,x);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 this->getDisplayString().setTagArg(“p”,1,y);
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0b[i].num–;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0break;
\n\u00a0\u00a0\u00a0 \u00a0\u00a0}
\n\u00a0\u00a0\u00a0 \u00a0}
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 this->getDisplayString().setTagArg(“t”,2,”#808000″);
\n\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0 \/\/cMessage *msg = new cMessage(“send”);
\n\u00a0\u00a0\u00a0 \/\/sendDirect(msg, 10, 0, server->gate(“in”));
\n\u00a0\u00a0\u00a0 \/\/send(msg, “out”);<\/p>\n

\u00a0\u00a0\u00a0 \/\/Sleep(500);\u5982\u679c\u4f7f\u7528\u5f53\u524d\u65f6\u95f4\u4e3a\u968f\u673a\u6570\u79cd\u5b50\uff0c\u5219\u9700\u7761\u7720\u7ebf\u7a0b\u3002
\n}<\/p>\n

\u6f14\u793a\u6587\u6863\uff1aOMNeT++\u5b9e\u73b0\u968f\u673a\u62d3\u6251<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a MyOMNet.ned network MyOMNeT { \u00a0\u00a0\u00a0 parameters: \u00a0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-247","post","type-post","status-publish","format-standard","hentry","category-others"],"_links":{"self":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=247"}],"version-history":[{"count":2,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/247\/revisions"}],"predecessor-version":[{"id":876,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/247\/revisions\/876"}],"wp:attachment":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=247"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}