boinc/sched/sample_assimilator.cpp

114 lines
3.3 KiB
C++

// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2015 University of California
//
// BOINC 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 3 of the License, or (at your option) any later version.
//
// BOINC 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.
//
// You should have received a copy of the GNU Lesser General Public License
// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
// A sample assimilator that:
// 1) if success, copy the output file(s) to a directory
// ../sample_results/batchid
// If 1 output file, its name is the WU name
// If >1 files, file i is named <wuname>_i
// 2) if failure, write a message to <wuname>_error
// Note: daemons like this run in project/tmp_<host>
#include <vector>
#include <string>
#include <cstdlib>
#include "boinc_db.h"
#include "error_numbers.h"
#include "filesys.h"
#include "sched_msgs.h"
#include "validate_util.h"
#include "assimilate_handler.h"
using std::vector;
using std::string;
const char* outdir = "../results";
int write_error(WORKUNIT &wu, char* p) {
char path[1024];
sprintf(path, "%s/%d/%s_error", outdir, wu.batch, wu.name);
FILE* f = fopen(path, "a");
if (!f) return ERR_FOPEN;
fprintf(f, "%s", p);
fclose(f);
return 0;
}
int assimilate_handler_init(int argc, char** argv) {
for (int i=1; i<argc; i++) {
if (!strcmp(argv[i], "--outdir")) {
outdir = argv[++i];
} else {
fprintf(stderr, "bad arg %s\n", argv[i]);
}
}
return 0;
}
void assimilate_handler_usage() {
// describe the project specific arguments here
fprintf(stderr,
" Custom options:\n"
" [--outdir X] output dir for result files\n"
);
}
int assimilate_handler(
WORKUNIT& wu, vector<RESULT>& /*results*/, RESULT& canonical_result
) {
int retval;
char buf[1024];
unsigned int i;
retval = boinc_mkdir(outdir);
if (retval) return retval;
sprintf(buf, "%s/%d", outdir, wu.batch);
retval = boinc_mkdir(buf);
if (retval) return retval;
if (wu.canonical_resultid) {
vector<OUTPUT_FILE_INFO> output_files;
get_output_file_infos(canonical_result, output_files);
unsigned int n = output_files.size();
bool file_copied = false;
for (i=0; i<n; i++) {
OUTPUT_FILE_INFO& fi = output_files[i];
if (n==1) {
sprintf(buf, "%s/%d/%s", outdir, wu.batch, wu.name);
} else {
sprintf(buf, "%s/%d/%s_%d", outdir, wu.batch, wu.name, i);
}
retval = boinc_copy(fi.path.c_str() , buf);
if (!retval) {
file_copied = true;
}
}
if (!file_copied) {
sprintf(buf, "%s/%d/%s_no_output_files", outdir, wu.batch, wu.name);
FILE* f = fopen(buf, "w");
if (!f) return ERR_FOPEN;
fclose(f);
}
} else {
sprintf(buf, "0x%x\n", wu.error_mask);
return write_error(wu, buf);
}
return 0;
}