ceph/src/os/FuseStore.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_OS_FUSESTORE_H
   5 #define CEPH_OS_FUSESTORE_H
   6
   7 #include <string>
   8 #include <map>
   9 #include <mutex>
  10 #include <functional>
  11
  12 #include "common/Thread.h"
  13 #include "include/buffer.h"
  14
  15 class ObjectStore;
  16
  17 class FuseStore {
  18 public:
  19   ObjectStore *store;
  20   std::string mount_point;
  21   struct fs_info *info;
  22   std::mutex lock;
  23
  24   struct OpenFile {
  25     std::string path;
  26     bufferlist bl;
  27     bool dirty = false;
  28     int ref = 0;
  29   };
  30   std::map<std::string,OpenFile*> open_files;
  31
  32   int open_file(std::string p, struct fuse_file_info *fi,
  33                 std::function<int(bufferlist *bl)> f);
  34
  35   class FuseThread : public Thread {
  36     FuseStore *fs;
  37   public:
  38     explicit FuseThread(FuseStore *f) : fs(f) {}
  39     void *entry() override {
  40       fs->loop();
  41       return NULL;
  42     }
  43   } fuse_thread;
  44
  45   FuseStore(ObjectStore *s, std::string p);
  46   ~FuseStore();
  47
  48   int main();
  49   int start();
  50   int loop();
  51   int stop();
  52 };
  53
  54 #endif