Dump_LHCInfo

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#include "CondCore/Utilities/interface/Utilities.h"
#include "CondCore/CondDB/interface/ConnectionPool.h"
#include "CondFormats/RunInfo/interface/LHCInfo.h"

//#include <boost/program_options.hpp>
#include <fstream>
#include <iostream>
#include <stdexcept>

namespace cond {
  class Dump_LHCInfo : public Utilities {
  public:
    Dump_LHCInfo();
    ~Dump_LHCInfo() override;
    int execute() override;
  };
}  // namespace cond

cond::Dump_LHCInfo::Dump_LHCInfo() : Utilities("conddb_dump_LHCInfo") {
  addConnectOption("connect", "c", "source connection string (optional, default=connect)");
  addOption<std::string>("tag", "t", "the source tag");
  addOption<std::string>("hash", "i", "the hash (id) of the payload to dump");
  addOption<cond::Time_t>("since", "s", "since time of the iov");
}

cond::Dump_LHCInfo::~Dump_LHCInfo() {}

namespace Dump_LHCInfo_impl {
  void dump(const LHCInfo& payload, std::ostream& out) {
    std::stringstream ss;
    payload.print(ss);
    out << ss.str();
    out << std::endl;
  }
}  // namespace Dump_LHCInfo_impl

int cond::Dump_LHCInfo::execute() {
  std::string connect = getOptionValue<std::string>("connect");
  std::string tag("");

  cond::persistency::ConnectionPool connection;
  connection.setMessageVerbosity(coral::Error);
  connection.configure();

  cond::Hash payloadHash("");
  cond::Time_t since = 0;
  if (hasOptionValue("hash")) {
    payloadHash = getOptionValue<std::string>("hash");
  } else {
    if (hasOptionValue("tag")) {
      tag = getOptionValue<std::string>("tag");
    } else {
      std::cout << "Error: no tag provided to identify the payload." << std::endl;
      return 1;
    }
    if (hasOptionValue("since")) {
      since = getOptionValue<cond::Time_t>("since");
    } else {
      std::cout << "Error: no IOV since provided to identify the payload." << std::endl;
      return 1;
    }
  }

  cond::persistency::Session session = connection.createSession(connect, false);
  session.transaction().start(true);

  if (payloadHash.empty()) {
    cond::persistency::IOVProxy iovSeq = session.readIov(tag);
    auto iov = iovSeq.getInterval(since);
    payloadHash = iov.payloadId;
  }

  std::shared_ptr<LHCInfo> payload = session.fetchPayload<LHCInfo>(payloadHash);
  session.transaction().commit();

  std::cout << "# *********************************************************** " << std::endl;
  std::cout << "# Dumping payload id " << payloadHash << std::endl;
  std::cout << "# *********************************************************** " << std::endl;

  Dump_LHCInfo_impl::dump(*payload, std::cout);

  std::cout << "# *********************************************************** " << std::endl;
  return 0;
}

int main(int argc, char** argv) {
  cond::Dump_LHCInfo utilities;
  return utilities.run(argc, argv);
}