1 // Copyright (c) 2012 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 NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_RESOURCES_H_ 6 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_RESOURCES_H_ 7 8 #include <map> 9 #include <vector> 10 11 #include "native_client/src/include/nacl_macros.h" 12 #include "native_client/src/trusted/desc/nacl_desc_wrapper.h" 13 14 #include "ppapi/c/private/ppb_nacl_private.h" 15 #include "ppapi/cpp/completion_callback.h" 16 17 #include "ppapi/native_client/src/trusted/plugin/plugin_error.h" 18 19 namespace plugin { 20 21 class Plugin; 22 23 // Loads a list of resources, providing a way to get file descriptors for 24 // these resources. URLs for resources are resolved by the manifest 25 // and point to pnacl component filesystem resources. 26 class PnaclResources { 27 public: 28 explicit PnaclResources(Plugin* plugin); 29 virtual ~PnaclResources(); 30 31 // Read the resource info JSON file. This is the first step after 32 // construction; it has to be completed before StartLoad is called. 33 bool ReadResourceInfo(); 34 35 // Start loading the resources. 36 bool StartLoad(); 37 38 const std::string& GetLlcUrl() { return llc_tool_name_; } 39 const std::string& GetLdUrl() { return ld_tool_name_; } 40 41 PP_NaClFileInfo TakeLlcFileInfo(); 42 PP_NaClFileInfo TakeLdFileInfo(); 43 44 private: 45 NACL_DISALLOW_COPY_AND_ASSIGN(PnaclResources); 46 47 // The plugin requesting the resource loading. 48 Plugin* plugin_; 49 50 // Tool names for llc and ld; read from the resource info file. 51 std::string llc_tool_name_; 52 std::string ld_tool_name_; 53 54 // File info for llc and ld executables, after they've been opened. 55 // Only valid after the callback for StartLoad() has been called, and until 56 // TakeLlcFileInfo()/TakeLdFileInfo() is called. 57 PP_NaClFileInfo llc_file_info_; 58 PP_NaClFileInfo ld_file_info_; 59 }; 60 61 } // namespace plugin 62 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_RESOURCES_H_ 63