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#include "fuseApp.h"
#include <lockHelpers.h>
#include <entCache.h>
NetFS::FuseApp::OpenDir::OpenDir(DirectoryPrx r, const std::string & p) :
remote(r),
remoteV2(r->ice_getFacet() == "v2" ? DirectoryV2Prx::uncheckedCast(r) : nullptr),
path(p)
{
}
void
NetFS::FuseApp::setProxy(OpenDirPtr od, uint64_t & fh)
{
Lock(_lock);
while (openDirs.find(fh = ++openDirID) != openDirs.end()) ;
openDirs.insert({ fh, od });
}
NetFS::FuseApp::OpenDirPtr
NetFS::FuseApp::getDirProxy(uint64_t localID) const
{
SharedLock(_lock);
OpenDirs::const_iterator i = openDirs.find(localID);
if (i != openDirs.end()) {
return i->second;
}
throw NetFS::SystemError(EBADF);
}
void
NetFS::FuseApp::clearDirProxy(uint64_t localID)
{
Lock(_lock);
openDirs.erase(localID);
}
int
NetFS::FuseApp::opendir(const char * p, struct fuse_file_info * fi)
{
try {
auto remote = volume->opendir(reqEnv(), p);
setProxy(new OpenDir(remote, p), fi->fh);
return 0;
}
catch (NetFS::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::FuseApp::releasedir(const char *, struct fuse_file_info * fi)
{
try {
auto remote = getDirProxy(fi->fh)->remote;
remote->close();
clearDirProxy(fi->fh);
return 0;
}
catch (NetFS::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::FuseApp::readdir(const char * p, void * buf, fuse_fill_dir_t filler, off_t, struct fuse_file_info * fi)
{
try {
auto od = getDirProxy(fi->fh);
std::string path(p);
path += "/";
auto expiry = time(NULL) + 2;
if (od->remoteV2) {
for (const auto & e : od->remoteV2->listdir()) {
filler(buf, e.first.c_str(), NULL, 0);
statCache.add(path + e.first, converter.convert(e.second), expiry);
}
}
else {
for (const auto & e : od->remote->readdir()) {
filler(buf, e.c_str(), NULL, 0);
std::string epath = path + e;
auto asga = volume->begin_getattr(reqEnv(), epath);
statCache.addFactory(epath,
[asga,this]() {
return converter.convert(volume->end_getattr(asga));
}, expiry);
}
}
return 0;
}
catch (NetFS::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::FuseApp::mkdir(const char * p, mode_t m)
{
try {
volume->mkdir(reqEnv(), p, m);
return 0;
}
catch (NetFS::SystemError & e) {
return -e.syserrno;
}
}
int
NetFS::FuseApp::rmdir(const char * p)
{
try {
volume->rmdir(reqEnv(), p);
return 0;
}
catch (NetFS::SystemError & e) {
return -e.syserrno;
}
}
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