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// This file is part of BOINC.
// http://boinc.berkeley.edu
// Copyright (C) 2008 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/>.
// concat [-run_slow] file1 ... filen outfile
//
// concatenate files, write to outfile
#include "config.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <unistd.h>
#include "filesys.h"
#include "util.h"
#include "boinc_api.h"
#include "mfile.h"
int run_slow = 0;
#define CHECKPOINT_FILE "concat_state"
int do_checkpoint(MFILE& mf, int filenum, int nchars) {
int retval;
char res_name2[512];
FILE* f = fopen("temp", "w");
if (!f) return 1;
fprintf(f, "%d %d", filenum, nchars);
fclose(f);
fprintf(stderr, "APP: concat checkpointing\n");
boinc_resolve_filename(CHECKPOINT_FILE, res_name2, sizeof(res_name2));
retval = mf.flush();
if (retval) return retval;
retval = boinc_rename("temp", res_name2);
if (retval) return retval;
return 0;
}
void file_append(FILE* in, MFILE &out, int skip, int filenum) {
char buf[1];
int n,nread,retval;
fseek(in, skip, SEEK_SET);
nread = skip;
while (1) {
n = fread(buf, 1, 1, in);
if (n == 0) break;
out.write(buf, 1, n);
nread += n;
if (boinc_time_to_checkpoint()) {
fprintf(stderr, "Checkpoint.\n");
retval = do_checkpoint(out, filenum, nread);
if (retval) {
fprintf(stderr, "APP: concat checkpoint failed %d\n", retval);
exit(1);
}
boinc_checkpoint_completed();
}
if (run_slow) boinc_sleep(1.);
}
}
#ifdef _WIN32
#include <afxwin.h>
int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, LPSTR Args, int WinMode) {
LPWSTR command_line;
LPWSTR *args;
char* argv[100];
int i, argc;
command_line = GetCommandLineW();
args = CommandLineToArgvW(command_line, &argc);
// uh, why did MS have to "improve" on char*?
for (i=0; i<argc; i++) {
argv[i] = (char*)args[i];
}
return main(argc, argv);
}
#endif
int main(int argc, char** argv) {
FILE* in, *state;
MFILE out;
char file_name[512];
int i;
int file_num,nchars,retval;
const char *mode;
boinc_init();
fprintf(stderr, "APP: concat: starting, argc %d\n", argc);
for (i=0; i<argc; i++) {
fprintf(stderr, "APP: concat: argv[%d] is %s\n", i, argv[i]);
if (!strcmp(argv[i], "-run_slow")) run_slow = 1;
}
boinc_resolve_filename(CHECKPOINT_FILE, file_name, sizeof(file_name));
state = fopen(file_name, "r");
if (state) {
fscanf(state, "%d %d", &file_num, &nchars);
mode = "a";
fclose(state);
} else {
file_num = (run_slow ? 2 : 1);
nchars = 0;
mode = "w";
}
boinc_resolve_filename(argv[argc-1], file_name, sizeof(file_name));
fprintf(stderr, "res: %s\n", file_name);
retval = out.open(file_name, mode);
if (retval) {
fprintf(stderr, "APP: concat: can't open out file %s\n", argv[argc-1]);
exit(1);
}
for (i=file_num; i<argc-1; i++) {
boinc_resolve_filename(argv[i], file_name, sizeof(file_name));
fprintf(stderr, "res: %s\n", file_name);
in = fopen(file_name, "r");
if (!in) {
fprintf(stderr, "APP: concat: can't open in file %s\n", argv[i]);
exit(1);
}
file_append(in, out, nchars, i);
nchars = 0;
fclose(in);
}
out.close();
fprintf(stderr, "APP: concat: done\n");
boinc_finish(0);
return 0;
}
const char *BOINC_RCSID_8254ea59c3 = "$Id$";
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