1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_NODE_H_ 6 #define LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_NODE_H_ 7 8 #include <ppapi/c/pp_instance.h> 9 #include <ppapi/c/pp_resource.h> 10 #include "nacl_io/node.h" 11 12 namespace nacl_io { 13 14 class Html5Fs; 15 class FileIoInterface; 16 class FileRefInterface; 17 class VarInterface; 18 19 class Html5FsNode : public Node { 20 public: 21 // Normal OS operations on a node (file), can be called by the kernel 22 // directly so it must lock and unlock appropriately. These functions 23 // must not be called by the filesystem. 24 virtual Error FSync(); 25 virtual Error GetDents(size_t offs, 26 struct dirent* pdir, 27 size_t count, 28 int* out_bytes); 29 virtual Error GetStat(struct stat* stat); 30 virtual Error Read(const HandleAttr& attr, 31 void* buf, 32 size_t count, 33 int* out_bytes); 34 virtual Error FTruncate(off_t size); 35 virtual Error Write(const HandleAttr& attr, 36 const void* buf, 37 size_t count, 38 int* out_bytes); 39 40 virtual int GetType(); 41 virtual Error GetSize(off_t* out_size); 42 43 protected: 44 Html5FsNode(Filesystem* filesystem, PP_Resource fileref); 45 46 // Init with standard open flags 47 virtual Error Init(int open_flags); 48 virtual void Destroy(); 49 50 private: 51 FileIoInterface* file_io_iface_; 52 FileRefInterface* file_ref_iface_; 53 VarInterface* var_iface_; 54 PP_Resource fileref_resource_; 55 PP_Resource fileio_resource_; // 0 if the file is a directory. 56 57 friend class Html5Fs; 58 }; 59 60 } // namespace nacl_io 61 62 #endif // LIBRARIES_NACL_IO_HTML5FS_HTML5_FS_NODE_H_ 63
