XrdRequestManager.cc File Reference

#include <algorithm>
#include <cassert>
#include <iostream>
#include <memory>
#include <netdb.h>
#include "XrdCl/XrdClFile.hh"
#include "XrdCl/XrdClDefaultEnv.hh"
#include "XrdCl/XrdClFileSystem.hh"
#include "FWCore/Utilities/interface/CPUTimer.h"
#include "FWCore/Utilities/interface/EDMException.h"
#include "FWCore/Utilities/interface/Likely.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "FWCore/Utilities/interface/thread_safety_macros.h"
#include "Utilities/StorageFactory/interface/StatisticsSenderService.h"
#include "XrdStatistics.h"
#include "Utilities/XrdAdaptor/src/XrdRequestManager.h"
#include "Utilities/XrdAdaptor/src/XrdHostHandler.hh"

Go to the source code of this file.

Classes
class	SendMonitoringInfoHandler

Macros
#define	GET_CLOCK_MONOTONIC(ts)   clock_gettime(CLOCK_MONOTONIC, &ts);

Functions
static void	consumeChunkBack (size_t front, std::vector< IOPosBuffer > &input, std::vector< IOPosBuffer > &output, IOSize chunksize)
static void	consumeChunkFront (size_t &front, std::vector< IOPosBuffer > &input, std::vector< IOPosBuffer > &output, IOSize chunksize)
static void	SendMonitoringInfo (XrdCl::File &file)
long long	timeDiffMS (const timespec &a, const timespec &b)
static IOSize	validateList (const std::vector< IOPosBuffer > req)

Variables
static constexpr int	XRD_ADAPTOR_CHUNK_THRESHOLD = 1000
static constexpr int	XRD_ADAPTOR_LONG_OPEN_DELAY = 2 * 60
static constexpr int	XRD_ADAPTOR_OPEN_PROBE_PERCENT = 10
static constexpr int	XRD_ADAPTOR_SHORT_OPEN_DELAY = 5
static constexpr int	XRD_ADAPTOR_SOURCE_QUALITY_FUDGE = 100
static constexpr int	XRD_CL_MAX_CHUNK = 512 * 1024

Macro Definition Documentation

GET_CLOCK_MONOTONIC

#define GET_CLOCK_MONOTONIC

(

ts

)

clock_gettime(CLOCK_MONOTONIC, &ts);

Definition at line 56 of file XrdRequestManager.cc.

Referenced by XrdAdaptor::RequestManager::handle(), XrdAdaptor::RequestManager::OpenHandler::HandleResponseWithHosts(), XrdAdaptor::RequestManager::initialize(), and XrdAdaptor::RequestManager::requestFailure().

Function Documentation

consumeChunkBack()

static void consumeChunkBack ( size_t  front, std::vector< IOPosBuffer > &  input, std::vector< IOPosBuffer > &  output, IOSize  chunksize  )

static

Definition at line 863 of file XrdRequestManager.cc.

References edm::storage::IOPosBuffer::data(), input, edm::storage::IOPosBuffer::offset(), convertSQLitetoXML_cfg::output, edm::storage::IOPosBuffer::set_data(), edm::storage::IOPosBuffer::set_offset(), edm::storage::IOPosBuffer::set_size(), edm::storage::IOPosBuffer::size(), XRD_ADAPTOR_CHUNK_THRESHOLD, and XRD_CL_MAX_CHUNK.

Referenced by XrdAdaptor::RequestManager::splitClientRequest().

                                               {
  while ((chunksize > 0) && (front < input.size()) && (output.size() <= XRD_ADAPTOR_CHUNK_THRESHOLD)) {
    IOPosBuffer &io = input.back();
    IOPosBuffer &outio = output.back();
    if (io.size() > chunksize) {
      IOSize consumed;
      if (!output.empty() && (outio.size() < XRD_CL_MAX_CHUNK) &&
          (outio.offset() + static_cast<IOOffset>(outio.size()) == io.offset())) {
        if (outio.size() + chunksize > XRD_CL_MAX_CHUNK) {
          consumed = (XRD_CL_MAX_CHUNK - outio.size());
          outio.set_size(XRD_CL_MAX_CHUNK);
        } else {
          consumed = chunksize;
          outio.set_size(outio.size() + consumed);
        }
      } else {
        consumed = chunksize;
        output.emplace_back(IOPosBuffer(io.offset(), io.data(), chunksize));
      }
      chunksize -= consumed;
      IOSize newsize = io.size() - consumed;
      IOOffset newoffset = io.offset() + consumed;
      void *newdata = static_cast<char *>(io.data()) + consumed;
      io.set_offset(newoffset);
      io.set_data(newdata);
      io.set_size(newsize);
    } else if (io.size() == 0) {
      input.pop_back();
    } else {
      output.push_back(io);
      chunksize -= io.size();
      input.pop_back();
    }
  }
}

consumeChunkFront()

static void consumeChunkFront ( size_t &  front, std::vector< IOPosBuffer > &  input, std::vector< IOPosBuffer > &  output, IOSize  chunksize  )

static

Definition at line 824 of file XrdRequestManager.cc.

References edm::storage::IOPosBuffer::data(), input, edm::storage::IOPosBuffer::offset(), convertSQLitetoXML_cfg::output, edm::storage::IOPosBuffer::set_data(), edm::storage::IOPosBuffer::set_offset(), edm::storage::IOPosBuffer::set_size(), edm::storage::IOPosBuffer::size(), XRD_ADAPTOR_CHUNK_THRESHOLD, and XRD_CL_MAX_CHUNK.

Referenced by XrdAdaptor::RequestManager::splitClientRequest().

                                                {
  while ((chunksize > 0) && (front < input.size()) && (output.size() <= XRD_ADAPTOR_CHUNK_THRESHOLD)) {
    IOPosBuffer &io = input[front];
    IOPosBuffer &outio = output.back();
    if (io.size() > chunksize) {
      IOSize consumed;
      if (!output.empty() && (outio.size() < XRD_CL_MAX_CHUNK) &&
          (outio.offset() + static_cast<IOOffset>(outio.size()) == io.offset())) {
        if (outio.size() + chunksize > XRD_CL_MAX_CHUNK) {
          consumed = (XRD_CL_MAX_CHUNK - outio.size());
          outio.set_size(XRD_CL_MAX_CHUNK);
        } else {
          consumed = chunksize;
          outio.set_size(outio.size() + consumed);
        }
      } else {
        consumed = chunksize;
        output.emplace_back(IOPosBuffer(io.offset(), io.data(), chunksize));
      }
      chunksize -= consumed;
      IOSize newsize = io.size() - consumed;
      IOOffset newoffset = io.offset() + consumed;
      void *newdata = static_cast<char *>(io.data()) + consumed;
      io.set_offset(newoffset);
      io.set_data(newdata);
      io.set_size(newsize);
    } else if (io.size() == 0) {
      front++;
    } else {
      output.push_back(io);
      chunksize -= io.size();
      front++;
    }
  }
}

SendMonitoringInfo()

static void SendMonitoringInfo ( XrdCl::File &  file )

static

Definition at line 98 of file XrdRequestManager.cc.

References geometryDiff::file, edm::storage::StatisticsSenderService::getJobID(), XrdAdaptor::Source::isDCachePool(), and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by XrdAdaptor::RequestManager::OpenHandler::HandleResponseWithHosts(), and XrdAdaptor::RequestManager::initialize().

                                                {
  // Do not send this to a dCache data server as they return an error.
  // In some versions of dCache, sending the monitoring information causes
  // the server to close the connection - resulting in failures.
  if (Source::isDCachePool(file)) {
    return;
  }

  // Send the monitoring info, if available.
  const char *jobId = edm::storage::StatisticsSenderService::getJobID();
  std::string lastUrl;
  file.GetProperty("LastURL", lastUrl);
  if (jobId && !lastUrl.empty()) {
    auto sm_handler = new SendMonitoringInfoHandler(lastUrl);
    if (!(sm_handler->fs().SendInfo(jobId, sm_handler, 30).IsOK())) {
      edm::LogWarning("XrdAdaptorInternal")
          << "Failed to send the monitoring information, monitoring ID is " << jobId << ".";
      delete sm_handler;
    }
    edm::LogInfo("XrdAdaptorInternal") << "Set monitoring ID to " << jobId << ".";
  }
}

timeDiffMS()

long long timeDiffMS	(	const timespec &	a,
		const timespec &	b
	)

Definition at line 62 of file XrdRequestManager.cc.

References a, b, and change_name::diff.

Referenced by XrdAdaptor::RequestManager::checkSources(), and XrdAdaptor::RequestManager::checkSourcesImpl().

                                                           {
  long long diff = (a.tv_sec - b.tv_sec) * 1000;
  diff += (a.tv_nsec - b.tv_nsec) / 1e6;
  return diff;
}

validateList()

static IOSize validateList ( const std::vector< IOPosBuffer >  req )

static

Definition at line 902 of file XrdRequestManager.cc.

References cms::cuda::assert(), dqmMemoryStats::total, and XRD_CL_MAX_CHUNK.

Referenced by XrdAdaptor::RequestManager::splitClientRequest().

                                                             {
  IOSize total = 0;
  off_t last_offset = -1;
  for (const auto &it : req) {
    total += it.size();
    assert(it.offset() > last_offset);
    last_offset = it.offset();
    assert(it.size() <= XRD_CL_MAX_CHUNK);
    assert(it.offset() < 0x1ffffffffff);
  }
  assert(req.size() <= 1024);
  return total;
}

Variable Documentation

XRD_ADAPTOR_CHUNK_THRESHOLD

constexpr int XRD_ADAPTOR_CHUNK_THRESHOLD = 1000

static

Definition at line 40 of file XrdRequestManager.cc.

Referenced by consumeChunkBack(), consumeChunkFront(), and XrdAdaptor::RequestManager::splitClientRequest().

XRD_ADAPTOR_LONG_OPEN_DELAY

constexpr int XRD_ADAPTOR_LONG_OPEN_DELAY = 2 * 60

static

Definition at line 36 of file XrdRequestManager.cc.

Referenced by XrdAdaptor::RequestManager::checkSourcesImpl(), and XrdAdaptor::RequestManager::handleOpen().

XRD_ADAPTOR_OPEN_PROBE_PERCENT

constexpr int XRD_ADAPTOR_OPEN_PROBE_PERCENT = 10

static

Definition at line 35 of file XrdRequestManager.cc.

Referenced by XrdAdaptor::RequestManager::checkSourcesImpl().

XRD_ADAPTOR_SHORT_OPEN_DELAY

constexpr int XRD_ADAPTOR_SHORT_OPEN_DELAY = 5

static

Definition at line 27 of file XrdRequestManager.cc.

Referenced by XrdAdaptor::RequestManager::checkSourcesImpl(), XrdAdaptor::RequestManager::handleOpen(), and XrdAdaptor::RequestManager::initialize().

XRD_ADAPTOR_SOURCE_QUALITY_FUDGE

constexpr int XRD_ADAPTOR_SOURCE_QUALITY_FUDGE = 100

static

Definition at line 37 of file XrdRequestManager.cc.

Referenced by XrdAdaptor::RequestManager::checkSourcesImpl().

XRD_CL_MAX_CHUNK

constexpr int XRD_CL_MAX_CHUNK = 512 * 1024

static

Definition at line 25 of file XrdRequestManager.cc.

Referenced by consumeChunkBack(), consumeChunkFront(), XrdAdaptor::RequestManager::splitClientRequest(), and validateList().