void
expire(const symboldb_options &opt, database &db)
{
if (opt.output != symboldb_options::quiet) {
fprintf(stderr, "info: expiring URL cache\n");
}
db.expire_url_cache();
if (opt.output != symboldb_options::quiet) {
fprintf(stderr, "info: expiring unreferenced packages\n");
}
db.expire_packages();
if (opt.output != symboldb_options::quiet) {
fprintf(stderr, "info: expiring file contents\n");
}
db.expire_file_contents();
if (opt.output != symboldb_options::quiet) {
fprintf(stderr, "info: expiring java classes\n");
}
db.expire_java_classes();
if (opt.output != symboldb_options::quiet) {
fprintf(stderr, "info: expiring unused RPMs\n");
}
{
typedef std::vector<std::vector<unsigned char> > digvec;
std::tr1::shared_ptr<file_cache> fcache(opt.rpm_cache());
digvec fcdigests;
fcache->digests(fcdigests);
std::sort(fcdigests.begin(), fcdigests.end());
digvec dbdigests;
db.referenced_package_digests(dbdigests);
digvec result;
std::set_difference(fcdigests.begin(), fcdigests.end(),
dbdigests.begin(), dbdigests.end(),
std::back_inserter(result));
fd_handle dir;
dir.open_directory(opt.rpm_cache_path().c_str());
for (digvec::iterator p = result.begin(), end = result.end();
p != end; ++p) {
dir.unlinkat(base16_encode(p->begin(), p->end()).c_str(), 0);
}
}
}
static int
do_show_stale_cached_rpms(const symboldb_options &opt, database &db)
{
typedef std::vector<std::vector<unsigned char> > digvec;
std::tr1::shared_ptr<file_cache> fcache(opt.rpm_cache());
digvec fcdigests;
fcache->digests(fcdigests);
std::sort(fcdigests.begin(), fcdigests.end());
digvec dbdigests;
db.referenced_package_digests(dbdigests);
digvec result;
std::set_difference(fcdigests.begin(), fcdigests.end(),
dbdigests.begin(), dbdigests.end(),
std::back_inserter(result));
for (digvec::iterator p = result.begin(), end = result.end();
p != end; ++p) {
printf("%s\n", base16_encode(p->begin(), p->end()).c_str());
}
return 0;
}
bool get_file(const symboldb_options &opt, database &db,
const std::vector<unsigned char> &digest, sink &target)
{
database::files_with_digest fwd(db, digest);
std::shared_ptr<file_cache> fcache(opt.rpm_cache());
checksum csum;
csum.length = checksum::no_length;
std::string rpm_path;
rpm_file_entry rfe;
while (fwd.next()) {
csum.value = fwd.rpm_digest();
switch (csum.value.size()) {
case 32:
csum.type = hash_algorithm::sha256;
break;
case 20:
csum.type = hash_algorithm::sha1;
break;
default:
continue;
}
if (fcache->lookup_path(csum, rpm_path)) {
rpm_parser rp(rpm_path.c_str());
while (rp.read_file(rfe)) {
typedef std::vector<rpm_file_info>::const_iterator iterator;
const iterator end = rfe.infos.end();
for (iterator p = rfe.infos.begin(); p != end; ++p) {
if (p->name == fwd.file_name()) {
target.write(rfe.contents);
return true;
}
}
}
}
}
return false;
}