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#include <algorithm>
#include <iostream>
#include <fstream>
#include "snapper/Log.h"
#include "snapper/AppUtil.h"
#include "snapper/File.h"
#include "snapper/Filesystem.h"
#include "snapper/SnapperTmpl.h"
using namespace std;
using namespace snapper;
struct helper
{
helper(vector<string>& result)
: result(result) {}
void operator()(const string& name, unsigned int status)
{ result.push_back(name + " " + statusToString(status)); }
vector<string>& result;
};
bool
cmp(const string& fstype, const string& subvolume, unsigned int num1, unsigned int num2)
{
Filesystem* filesystem = Filesystem::create(fstype, subvolume);
SDir dir1 = filesystem->openSnapshotDir(num1);
SDir dir2 = filesystem->openSnapshotDir(num2);
vector<string> result1;
double t1;
{
StopWatch sw1;
#if 1
cmpdirs_cb_t cb1 = helper(result1);
#else
cmpdirs_cb_t cb1 = [&result1](const string& name, unsigned int status) {
result1.push_back(name + " " + statusToString(status));
};
#endif
filesystem->cmpDirs(dir1, dir2, cb1);
t1 = sw1.read();
y2mil("stopwatch1 " << sw1);
sort(result1.begin(), result1.end());
}
vector<string> result2;
double t2;
{
StopWatch sw2;
#if 1
cmpdirs_cb_t cb2 = helper(result2);
#else
cmpdirs_cb_t cb2 = [&result2](const string& name, unsigned int status) {
result2.push_back(name + " " + statusToString(status));
};
#endif
snapper::cmpDirs(dir1, dir2, cb2);
t2 = sw2.read();
y2mil("stopwatch2 " << sw2);
sort(result2.begin(), result2.end());
}
y2mil("speedup " << fixed << 100.0 * (t2 - t1) / t1 << "% (" << t1 << "s vs. " << t2 << "s)");
std::ofstream fout1(("/tmp/result1-" + decString(num1) + "-" + decString(num2)).c_str());
for (vector<string>::const_iterator it = result1.begin(); it != result1.end(); ++it)
fout1 << *it << endl;
std::ofstream fout2(("/tmp/result2-" + decString(num1) + "-" + decString(num2)).c_str());
for (vector<string>::const_iterator it = result2.begin(); it != result2.end(); ++it)
fout2 << *it << endl;
bool ok = result1 == result2;
cout << fstype << " " << subvolume << " " << num1 << " " << num2
<< (ok ? " ok" : " failure") << endl;
return ok;
}
int
main(int argc, char** argv)
{
if (argc != 5)
{
cerr << "usage: fstype subvolume num1 num2" << endl;
exit(EXIT_FAILURE);
}
string fstype = argv[1];
string subvolume = argv[2];
unsigned int num1 = atoi(argv[3]);
unsigned int num2 = atoi(argv[4]);
return cmp(fstype, subvolume, num1, num2) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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