adler32.cc File Reference

#include <cstdio>
#include <cstdlib>
#include <fcntl.h>
#include <fmt/format.h>
#include <iostream>
#include <libgen.h>
#include <sys/stat.h>
#include <unistd.h>
#include <zlib.h>

Go to the source code of this file.

Macros
#define	_LARGEFILE64_SOURCE

Functions
int	main (int argc, char *argv[])

Variables
constexpr int	EDMFILEUTILADLERBUFSIZE = 10 * 1024 * 1024

Macro Definition Documentation

#define _LARGEFILE64_SOURCE

Definition at line 14 of file adler32.cc.

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

===============================================================================================================================================================================================

---

variant2: for each run define phi-averaged A for normalization channel (Dref,16) and then, divide Rijk on it, i.e. get RRijk

eta=27

eta=25

eta=23

eta=22

eta=21

eta=26

eta=24

eta=19

eta=17

eta=25

eta=23

eta=22

eta=21

eta=26

eta=24

eta=20

eta=19

eta=18

eta=27 L1=1

eta=25 L1=1

eta=23 L1=1

eta=22 L1=1

eta=21 L1=1

eta=29 L1=1

eta=26 L1=1

eta=24 L1=1

eta=20 L1=1

eta=19 L1=1

eta=18 L1=1

eta=17 L1=1

eta=28 L7=1

eta=27 L7=1

eta=25 L7=1

eta=23 L7=1

eta=22 L7=1

eta=21 L7=1

eta=26 L7=1

eta=24 L7=1

eta=20 L7=1

eta=19 L7=1

eta=18 L7=1

eta=17 L7=1

eta=27

eta=25

eta=23

eta=22

eta=21

eta=26

eta=24

eta=19

eta=17

eta=25

eta=23

eta=22

eta=21

eta=26

eta=24

eta=20

eta=19

eta=18

eta=27 L1=1

eta=25 L1=1

eta=23 L1=1

eta=22 L1=1

eta=21 L1=1

eta=26 L1=1

eta=24 L1=1

eta=20 L1=1

eta=19 L1=1

eta=18 L1=1

eta=17 L1=1

eta=28 L7=1

eta=27 L7=1

eta=25 L7=1

eta=23 L7=1

eta=22 L7=1

eta=21 L7=1

eta=26 L7=1

eta=24 L7=1

eta=20 L7=1

eta=19 L7=1

eta=18 L7=1

eta=17 L7=1

eta=27

eta=28

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

RBX:

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

RBX:

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

errA with average Amplitudes

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

Summed Amplitude Plots:

RBX:

Prepare maps of good/bad channels:

Prepare maps of good/bad channels:

Prepare maps of good/bad channels:

Prepare maps of good/bad channels:

Definition at line 31 of file adler32.cc.

References dir2webdir::argc, edmScanValgrind::buffer, gather_cfg::cout, EDMFILEUTILADLERBUFSIZE, beamvalidation::exit(), diffTreeTool::format(), O_LARGEFILE, and SiPixelLorentzAngle_cfi::read.

                                 {
  if (argc == 1) {
    std::cout << basename(argv[0]) << ": no files specified.\n";
    exit(1);
  }

  std::unique_ptr<unsigned char[]> buffer{new unsigned char[EDMFILEUTILADLERBUFSIZE]};
  int fileNum = 0;
  for (fileNum = 1; fileNum < argc; fileNum++) {
    uLong adlerCksum = adler32(0, nullptr, 0);
    off64_t fileSize = 0;

    int myFD = open(argv[fileNum], O_RDONLY | O_LARGEFILE);
    if (myFD == -1) {
      std::cout << basename(argv[0]) << ": failed to open file " << argv[fileNum] << ".\n";
      continue;
    }

    lseek(myFD, 0, SEEK_SET);

    int readSize = 0;
    while ((readSize = read(myFD, buffer.get(), EDMFILEUTILADLERBUFSIZE)) > 0) {
      adlerCksum = adler32(adlerCksum, buffer.get(), readSize);
      fileSize += readSize;
    }

    std::cout << fmt::format("{:x} {} {}\n", adlerCksum, fileSize, argv[fileNum]);
  }

  return (0);
}

Variable Documentation

constexpr int EDMFILEUTILADLERBUFSIZE = 10 * 1024 * 1024

Definition at line 29 of file adler32.cc.

Referenced by main().