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File indexing completed on 2021-02-14 14:25:25

0001 /*
0002   Author: Adam Hunt
0003   email:  ahunt@princeton.edu
0004   Date:   2007-08-24
0005 */
0006 
0007 #include <arpa/inet.h>
0008 #include <csignal>
0009 #include <cstdlib>
0010 #include <cstring>
0011 #include <iostream>
0012 #include <sys/socket.h>
0013 #include <unistd.h>
0014 
0015 #include "RecoLuminosity/TCPReceiver/interface/TCPReceiver.h"
0016 #include "RecoLuminosity/TCPReceiver/interface/LumiStructures.hh"
0017 
0018 int gContinue = 1;
0019 bool Connected = false;
0020 char *Buffer;
0021 
0022 void CtrlC(int aSigNum) {
0023   std::cout << "Ctrl-c detected, stopping run" << std::endl;
0024   gContinue = 0;
0025   delete[] Buffer;
0026   exit(1);
0027 }
0028 
0029 int main() {
0030   using std::cout;
0031   using std::endl;
0032 
0033   int servSock;
0034   int clntSock = -1;
0035 
0036   unsigned int runCount = 1;
0037   unsigned int orbitCount = 0;
0038   unsigned int sectionCount = 0;
0039   unsigned int sizeOfRun = 960;
0040   unsigned int sizeOfSection = 1000;
0041 
0042   int er;
0043 
0044   HCAL_HLX::LUMI_SECTION lumiSection;
0045   HCAL_HLX::TCPReceiver HT;
0046 
0047   struct sockaddr_in servAddr;
0048   struct sockaddr_in clntAddr;
0049   unsigned int clntLen;
0050   unsigned short servPort = 51006;
0051   unsigned int Buffer_Size;
0052 
0053   signal(SIGINT, CtrlC);
0054 
0055   clntLen = sizeof(clntAddr);
0056   Buffer_Size = sizeof(lumiSection);
0057   Buffer = new char[Buffer_Size];
0058 
0059   if ((servSock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0) {
0060     cout << "***  socket failed **** " << endl;
0061     exit(1);
0062   }
0063 
0064   memset(&servAddr, 0, sizeof(servAddr));
0065   servAddr.sin_family = AF_INET;
0066   servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
0067   servAddr.sin_port = htons(servPort);
0068   do {
0069     if ((er = bind(servSock, (struct sockaddr *)&servAddr, sizeof(servAddr))) < 0) {
0070       cout << " *** bind failed *** " << endl;
0071       cout << " Attempting to bind in 30 seconds " << endl;
0072       sleep(30);
0073     }
0074   } while (er < 0 && gContinue);
0075 
0076   if (listen(servSock, 5) < 0) {
0077     cout << " *** listen failed *** " << endl;
0078     exit(1);
0079   }
0080   memset(reinterpret_cast<char *>(&lumiSection), 0, Buffer_Size);
0081   memset(Buffer, 0, Buffer_Size);
0082 
0083   while (gContinue) {
0084     cout << " ** Generating Lumi Section ** " << endl;
0085     HT.GenerateFakeData(lumiSection);
0086 
0087     orbitCount += 4;
0088 
0089     if (orbitCount >= sizeOfSection) {
0090       sectionCount++;
0091       orbitCount = 0;
0092     }
0093 
0094     if (sectionCount >= sizeOfRun) {
0095       runCount++;
0096       sectionCount = 0;
0097     }
0098 
0099     lumiSection.hdr.runNumber = runCount;
0100     lumiSection.hdr.sectionNumber = sectionCount;
0101     lumiSection.hdr.startOrbit = orbitCount - 4;
0102     lumiSection.hdr.numOrbits = 4;
0103     lumiSection.hdr.numBunches = 3546;
0104     lumiSection.hdr.numHLXs = 36;
0105     lumiSection.hdr.bCMSLive = true;
0106 
0107     memcpy(Buffer, reinterpret_cast<char *>(&lumiSection), Buffer_Size);
0108 
0109     if (Connected == false) {
0110       do {
0111         cout << " **** Waiting *** " << endl;
0112         if ((clntSock = accept(servSock, (struct sockaddr *)&clntAddr, &clntLen)) < 0)
0113           cout << " ** accept() failed ** " << endl;
0114       } while (clntSock < 0 && gContinue);
0115       Connected = true;
0116 
0117     } else {
0118       cout << " ** Sending Lumi Section - Run: " << lumiSection.hdr.runNumber
0119            << " Section: " << lumiSection.hdr.sectionNumber << " Orbit: " << lumiSection.hdr.startOrbit << " ** "
0120            << endl;
0121       if (send(clntSock, Buffer, Buffer_Size, 0) != (int)Buffer_Size) {
0122         cout << " ** send failed ** " << endl;
0123         Connected = false;
0124       }
0125       sleep(3);
0126     }
0127   }
0128 }