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#include "pch.h"
#include "logCompression.h"
#include <fstream>
#include <string>
#include <iostream>
#include <filesystem>
#include "configurables.h"
#include "zlib/gzip/compress.hpp"
#include "zlib/gzip/config.hpp"
#include <zlib.h>
#define CHUNK 16384
namespace fs = std::filesystem;
using namespace std;
bool compressFile(const fs::path path)
{
// read log file
string filename(path.string());
cout << "Compressing : '" + filename + "'" << endl;
ifstream input(filename, ios_base::binary);
if (!input.is_open())
{
cerr << "Could not open : '" + filename + "'" << endl;
return false;
}
string log_data((istreambuf_iterator<char>(input.rdbuf())), istreambuf_iterator<char>());
input.close();
// compress log file
string compressed_data = gzip::compress(log_data.data(), log_data.size());
// write log file gzip
ofstream output(filename + ".gz", ios::out | ios::binary);
if (!output)
{
cerr << "Could not write : '" + filename + "'" << endl;
return false;
}
output.write(compressed_data.c_str(), compressed_data.size());
output.close();
// delete log file
remove(path);
if (std::ifstream(path))
{
cerr << "Error deleting : '%s'" + filename + "'" << endl;
return false;
}
return true;
}
void CompressLogFiles()
{
string path = GetNorthstarPrefix() + "/logs";
for (const auto& entry : fs::directory_iterator(path))
{
fs::path link = entry.path();
string extension = link.extension().string();
if (extension == ".txt" || extension == ".dmp")
{
compressFile(link);
}
}
}
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