boinc/sched/sample_bitwise_validator.C

135 lines
3.3 KiB
C

// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// A sample validator that grants credit if the majority of results are
// bit-wise identical.
#include "util.h"
#include "sched_util.h"
#include "sched_msgs.h"
#include "validate_util.h"
#include "md5_file.h"
using std::string;
using std::vector;
class FileCache {
mutable string _md5sum;
public:
const string filedata;
FileCache(string const& filedata0) : filedata(filedata0) {}
string const md5sum() const {
if (_md5sum.empty()) {
_md5sum = md5_string(filedata);
}
return _md5sum;
}
};
bool operator ==(FileCache const& f1, FileCache const& f2)
{
return (f1.md5sum() == f2.md5sum() &&
f1.filedata == f2.filedata);
}
// read file into memory
//
int init_result_read_file(RESULT const & result, void*& data)
{
int retval;
string path;
retval = get_output_file_path(result, path);
if (retval) {
log_messages.printf(
SCHED_MSG_LOG::CRITICAL,
"[RESULT#%d %s] check_set: can't get output filename\n",
result.id, result.name
);
return retval;
}
string filedata;
retval = read_file_string(path.c_str(), filedata);
if (retval) {
log_messages.printf(
SCHED_MSG_LOG::CRITICAL,
"[RESULT#%d %s] Couldn't open %s\n",
result.id, result.name, path.c_str()
);
return retval;
}
FileCache *f = new FileCache(filedata);
data = (void*) f;
return 0;
}
int check_pair_initialized_identical(
RESULT & /*r1*/, void* data1,
RESULT const& /*r2*/, void* data2,
bool& match)
{
FileCache const* f1 = (FileCache*) data1;
FileCache const* f2 = (FileCache*) data2;
match = (*f1 == *f2);
return 0;
}
int cleanup_result_string(RESULT const& /*result*/, void* data) {
delete (FileCache*) data;
return 0;
}
// See if there's a strict majority under equality.
//
int check_set(
vector<RESULT>& results, WORKUNIT& wu, int& canonicalid, double& credit,
bool& retry
) {
retry = false;
return generic_check_set(
results, canonicalid, credit,
init_result_read_file,
check_pair_initialized_identical,
cleanup_result_string,
wu.min_quorum/2+1
);
}
int check_pair(
RESULT & r1, RESULT const& r2, bool& retry
) {
retry = false;
int retval = generic_check_pair(
r1, r2,
init_result_read_file,
check_pair_initialized_identical,
cleanup_result_string
);
return retval;
}
const char *BOINC_RCSID_7ab2b7189c = "$Id$";