Panda3D
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00001 // Filename: virtualFileHTTP.h 00002 // Created by: drose (31Oct08) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef VIRTUALFILEHTTP_H 00016 #define VIRTUALFILEHTTP_H 00017 00018 #include "pandabase.h" 00019 00020 #include "virtualFile.h" 00021 #include "httpChannel.h" 00022 #include "urlSpec.h" 00023 00024 #ifdef HAVE_OPENSSL 00025 00026 class VirtualFileMountHTTP; 00027 00028 //////////////////////////////////////////////////////////////////// 00029 // Class : VirtualFileHTTP 00030 // Description : This maps a document retrieved from an HTTPClient 00031 // into the VirtualFileSystem, allowing models etc. to 00032 // be loaded directly from a web page. 00033 //////////////////////////////////////////////////////////////////// 00034 class EXPCL_PANDAEXPRESS VirtualFileHTTP : public VirtualFile { 00035 public: 00036 VirtualFileHTTP(VirtualFileMountHTTP *mount, 00037 const Filename &local_filename, 00038 bool implicit_pz_file, 00039 int open_flags); 00040 virtual ~VirtualFileHTTP(); 00041 00042 virtual VirtualFileSystem *get_file_system() const; 00043 virtual Filename get_filename() const; 00044 00045 virtual bool has_file() const; 00046 virtual bool is_directory() const; 00047 virtual bool is_regular_file() const; 00048 INLINE bool is_implicit_pz_file() const; 00049 00050 virtual istream *open_read_file(bool auto_unwrap) const; 00051 virtual bool was_read_successful() const; 00052 virtual off_t get_file_size(istream *stream) const; 00053 virtual off_t get_file_size() const; 00054 virtual time_t get_timestamp() const; 00055 00056 private: 00057 bool fetch_file(ostream *buffer_stream) const; 00058 istream *return_file(istream *buffer_stream, bool auto_unwrap) const; 00059 00060 VirtualFileMountHTTP *_mount; 00061 Filename _local_filename; 00062 bool _implicit_pz_file; 00063 bool _status_only; 00064 URLSpec _url; 00065 PT(HTTPChannel) _channel; 00066 00067 public: 00068 virtual TypeHandle get_type() const { 00069 return get_class_type(); 00070 } 00071 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00072 00073 PUBLISHED: 00074 static TypeHandle get_class_type() { 00075 return _type_handle; 00076 } 00077 00078 public: 00079 static void init_type() { 00080 VirtualFile::init_type(); 00081 register_type(_type_handle, "VirtualFileHTTP", 00082 VirtualFile::get_class_type()); 00083 } 00084 00085 private: 00086 static TypeHandle _type_handle; 00087 }; 00088 00089 #include "virtualFileHTTP.I" 00090 00091 #endif // HAVE_OPENSSL 00092 00093 #endif 00094