Fix IdList and implement statfs()
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31aa6228bb
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df80fdfb74
@ -14,15 +14,6 @@ using fusepp::path;
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namespace cryfs {
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namespace {
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int errcode_map(int exit_status) {
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if (exit_status < 0) {
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return -errno;
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}
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return exit_status;
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}
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}
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CryFuse::CryFuse(CryDevice *device)
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:_device(device) {
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}
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@ -235,10 +226,13 @@ int CryFuse::write(const path &path, const char *buf, size_t size, off_t offset,
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//TODO
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int CryFuse::statfs(const path &path, struct statvfs *fsstat) {
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printf("HALF-IMPLEMENTED: statfs(%s, _)\n", path.c_str());
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auto real_path = _device->RootDir() / path;
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int retstat = ::statvfs(real_path.c_str(), fsstat);
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return errcode_map(retstat);
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//printf("statfs(%s, _)\n", path.c_str());
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try {
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_device->statfs(path, fsstat);
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return 0;
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} catch (CryErrnoException &e) {
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return -e.getErrno();
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}
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}
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//TODO
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@ -148,3 +148,8 @@ void CryDevice::utimens(const bf::path &path, const timespec times[2]) {
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auto node = Load(path);
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node->utimens(times);
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}
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void CryDevice::statfs(const bf::path &path, struct statvfs *fsstat) {
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int retval = ::statvfs(path.c_str(), fsstat);
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CHECK_RETVAL(retval);
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}
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@ -5,6 +5,7 @@
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#include <boost/filesystem.hpp>
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#include <memory>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include "utils/macros.h"
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#include "CryOpenFileList.h"
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@ -43,6 +44,7 @@ public:
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std::unique_ptr<std::vector<std::string>> readDir(int descriptor);
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void closeDir(int descriptor);
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void utimens(const bf::path &path, const timespec times[2]);
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void statfs(const bf::path &path, struct statvfs *fsstat);
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const bf::path &RootDir() const;
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private:
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@ -3,6 +3,7 @@
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#include <map>
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#include <memory>
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#include <mutex>
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#include "utils/macros.h"
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namespace cryfs {
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@ -19,13 +20,15 @@ public:
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void remove(int id);
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private:
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std::map<int, std::unique_ptr<Entry>> _entries;
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int _id_counter;
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mutable std::mutex _mutex;
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DISALLOW_COPY_AND_ASSIGN(IdList<Entry>)
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};
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template<class Entry>
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IdList<Entry>::IdList()
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: _entries() {
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: _entries(), _id_counter(0), _mutex() {
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}
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template<class Entry>
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@ -34,8 +37,9 @@ IdList<Entry>::~IdList() {
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template<class Entry>
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int IdList<Entry>::add(std::unique_ptr<Entry> entry) {
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std::lock_guard<std::mutex> lock(_mutex);
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//TODO Reuse IDs (ids = descriptors)
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int new_id = _entries.size();
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int new_id = ++_id_counter;
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_entries[new_id] = std::move(entry);
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return new_id;
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}
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@ -47,11 +51,14 @@ Entry *IdList<Entry>::get(int id) {
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template<class Entry>
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const Entry *IdList<Entry>::get(int id) const {
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return _entries.at(id).get();
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std::lock_guard<std::mutex> lock(_mutex);
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const Entry *result = _entries.at(id).get();
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return result;
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}
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template<class Entry>
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void IdList<Entry>::remove(int id) {
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std::lock_guard<std::mutex> lock(_mutex);
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_entries.erase(id);
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}
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@ -11,6 +11,7 @@ namespace bf = boost::filesystem;
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using namespace fusepp;
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#define FUSE_OBJ ((Fuse *) fuse_get_context()->private_data)
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#define UNUSED(obj) (void)obj
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namespace {
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int fusepp_getattr(const char *path, struct stat *stbuf) {
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@ -131,6 +132,7 @@ void* fusepp_init(fuse_conn_info *conn) {
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void fusepp_destroy(void *userdata) {
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auto f = FUSE_OBJ;
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assert(userdata == f);
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UNUSED(userdata); //In the Release build, the assert doesn't run
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f->destroy();
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}
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