int record_selection(const App& app, const string& history_file)
{
ofstream ofile(history_file, ofstream::app);
if (!ofile)
return FILE_OPEN_FAILURE;
ofile << app.app_id() << std::endl;
ofile.close();
trim_history(history_file);
return 0;
}
void trim_files(time_t cutoff)
{
filelist_t *fwalk;
FILE *infd, *outfd;
char outfn[PATH_MAX];
struct stat st;
struct utimbuf tstamp;
int itemno = 0;
/* We have a list of files to trim, so process them */
for (fwalk = flhead; (fwalk); fwalk = fwalk->next) {
dbgprintf("Processing %s\n", fwalk->fname);
itemno++; if (progressinfo && ((itemno % progressinfo) == 0)) showprogress(itemno);
if (fwalk->ftype == F_DROPIT) {
/* It's an orphan, and we want to delete it */
unlink(fwalk->fname);
continue;
}
if (stat(fwalk->fname, &st) == -1) {
errprintf("Cannot stat input file %s: %s\n", fwalk->fname, strerror(errno));
continue;
}
tstamp.actime = time(NULL);
tstamp.modtime = st.st_mtime;
infd = fopen(fwalk->fname, "r");
if (infd == NULL) {
errprintf("Cannot open input file %s: %s\n", fwalk->fname, strerror(errno));
continue;
}
if (outdir) {
sprintf(outfn, "%s/%s", outdir, fwalk->fname);
}
else {
sprintf(outfn, "%s.tmp", fwalk->fname);
}
outfd = fopen(outfn, "w");
if (outfd == NULL) {
errprintf("Cannot create output file %s: %s\n", outfn, strerror(errno));
fclose(infd);
continue;
}
trim_history(infd, outfd, fwalk->ftype, cutoff);
if (fwalk->ftype == F_ALLEVENTS) {
char pidfn[PATH_MAX];
FILE *fd;
long pid = -1;
sprintf(pidfn, "%s/hobbitd_history.pid", xgetenv("BBSERVERLOGS"));
fd = fopen(pidfn, "r");
if (fd) {
char l[100];
fgets(l, sizeof(l), fd);
fclose(fd);
pid = atol(l);
}
if (pid > 0) kill(pid, SIGHUP);
}
fclose(infd);
fclose(outfd);
utime(outfn, &tstamp); /* So the access time is consistent with the last update */
/* Final check to make sure the file didn't change while we were processing it */
if ((stat(fwalk->fname, &st) == 0) && (st.st_mtime == tstamp.modtime)) {
if (!outdir) rename(outfn, fwalk->fname);
}
else {
errprintf("File %s changed while processing it - not trimmed\n", fwalk->fname);
unlink(outfn);
}
}
}
