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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "native_client/src/trusted/plugin/pnacl_resources.h" | 5 #include "native_client/src/trusted/plugin/pnacl_resources.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "native_client/src/include/portability_io.h" | 10 #include "native_client/src/include/portability_io.h" |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 PnaclResources::~PnaclResources() { | 25 PnaclResources::~PnaclResources() { |
| 26 for (std::map<nacl::string, nacl::DescWrapper*>::iterator | 26 for (std::map<nacl::string, nacl::DescWrapper*>::iterator |
| 27 i = resource_wrappers_.begin(), e = resource_wrappers_.end(); | 27 i = resource_wrappers_.begin(), e = resource_wrappers_.end(); |
| 28 i != e; | 28 i != e; |
| 29 ++i) { | 29 ++i) { |
| 30 delete i->second; | 30 delete i->second; |
| 31 } | 31 } |
| 32 resource_wrappers_.clear(); | 32 resource_wrappers_.clear(); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void PnaclResources::Initialize() { | |
| 36 callback_factory_.Initialize(this); | |
| 37 } | |
| 38 | |
| 39 void PnaclResources::AddResourceUrl(const nacl::string& url) { | |
| 40 // Use previously loaded resources if available. | |
| 41 if (resource_wrappers_.find(url) != resource_wrappers_.end()) { | |
| 42 return; | |
| 43 } | |
| 44 all_loaded_ = false; | |
| 45 resource_urls_.push_back(url); | |
| 46 } | |
| 47 | |
| 48 void PnaclResources::StartDownloads() { | 35 void PnaclResources::StartDownloads() { |
| 49 // If there are no resources to be loaded, report all loaded to invoke | 36 PLUGIN_PRINTF(("PnaclResources::StartDownloads\n")); |
| 50 // client callbacks as needed. | |
| 51 if (all_loaded_) { | |
| 52 AllLoaded(PP_OK); | |
| 53 return; | |
| 54 } | |
| 55 pp::CompletionCallback all_loaded_callback = | |
| 56 callback_factory_.NewCallback(&PnaclResources::AllLoaded); | |
| 57 // Create a counter (barrier) callback to track when all of the resources | 37 // Create a counter (barrier) callback to track when all of the resources |
| 58 // are loaded. | 38 // are loaded. |
| 59 uint32_t resource_count = static_cast<uint32_t>(resource_urls_.size()); | 39 uint32_t resource_count = static_cast<uint32_t>(resource_urls_.size()); |
| 60 delayed_callback_.reset( | 40 delayed_callback_.reset( |
| 61 new DelayedCallback(all_loaded_callback, resource_count)); | 41 new DelayedCallback(all_loaded_callback_, resource_count)); |
| 62 | |
| 63 // All resource URLs are relative to the coordinator's resource_base_url(). | |
| 64 nacl::string resource_base_url = coordinator_->resource_base_url(); | |
| 65 | 42 |
| 66 // Schedule the downloads. | 43 // Schedule the downloads. |
| 67 CHECK(resource_urls_.size() > 0); | 44 CHECK(resource_urls_.size() > 0); |
| 68 for (size_t i = 0; i < resource_urls_.size(); ++i) { | 45 for (size_t i = 0; i < resource_urls_.size(); ++i) { |
| 69 const nacl::string& full_url = resource_base_url + resource_urls_[i]; | 46 const nacl::string& full_url = resource_base_url_ + resource_urls_[i]; |
| 70 pp::CompletionCallback ready_callback = | 47 pp::CompletionCallback ready_callback = |
| 71 callback_factory_.NewCallback(&PnaclResources::ResourceReady, | 48 callback_factory_.NewCallback(&PnaclResources::ResourceReady, |
| 72 resource_urls_[i], | 49 resource_urls_[i], |
| 73 full_url); | 50 full_url); |
| 74 if (!plugin_->StreamAsFile(full_url, | 51 if (!plugin_->StreamAsFile(full_url, |
| 75 ready_callback.pp_completion_callback())) { | 52 ready_callback.pp_completion_callback())) { |
| 76 ErrorInfo error_info; | 53 coordinator_->ReportNonPpapiError( |
| 77 error_info.SetReport(ERROR_UNKNOWN, | 54 nacl::string("failed to download ") + resource_urls_[i] + "\n"); |
| 78 "PnaclCoordinator: Failed to download file: " + | |
| 79 resource_urls_[i] + "\n"); | |
| 80 coordinator_->ReportLoadError(error_info); | |
| 81 coordinator_->PnaclNonPpapiError(); | |
| 82 break; | 55 break; |
| 83 } | 56 } |
| 84 } | 57 } |
| 85 resource_urls_.clear(); | |
| 86 } | 58 } |
| 87 | 59 |
| 88 void PnaclResources::ResourceReady(int32_t pp_error, | 60 void PnaclResources::ResourceReady(int32_t pp_error, |
| 89 const nacl::string& url, | 61 const nacl::string& url, |
| 90 const nacl::string& full_url) { | 62 const nacl::string& full_url) { |
| 91 PLUGIN_PRINTF(("PnaclResources::ResourceReady (pp_error=%" | 63 PLUGIN_PRINTF(("PnaclResources::ResourceReady (pp_error=%" |
| 92 NACL_PRId32", url=%s)\n", pp_error, url.c_str())); | 64 NACL_PRId32", url=%s)\n", pp_error, url.c_str())); |
| 93 // pp_error is checked by GetLoadedFileDesc. | 65 // pp_error is checked by GetLoadedFileDesc. |
| 94 int32_t fd = coordinator_->GetLoadedFileDesc(pp_error, | 66 int32_t fd = coordinator_->GetLoadedFileDesc(pp_error, |
| 95 full_url, | 67 full_url, |
| 96 "resource " + url); | 68 "resource " + url); |
| 97 if (fd < 0) { | 69 if (fd < 0) { |
| 98 coordinator_->PnaclPpapiError(pp_error); | 70 coordinator_->ReportPpapiError(pp_error, |
| 71 "PnaclResources::ResourceReady failed.\n"); |
| 99 } else { | 72 } else { |
| 100 resource_wrappers_[url] = | 73 resource_wrappers_[url] = |
| 101 plugin_->wrapper_factory()->MakeFileDesc(fd, O_RDONLY); | 74 plugin_->wrapper_factory()->MakeFileDesc(fd, O_RDONLY); |
| 102 delayed_callback_->RunIfTime(); | 75 delayed_callback_->RunIfTime(); |
| 103 } | 76 } |
| 104 } | 77 } |
| 105 | 78 |
| 106 void PnaclResources::AllLoaded(int32_t pp_error) { | |
| 107 PLUGIN_PRINTF(("PnaclResources::AllLoaded (pp_error=%"NACL_PRId32")\n", | |
| 108 pp_error)); | |
| 109 all_loaded_ = true; | |
| 110 // Run the client-specified callback if one was set. | |
| 111 if (client_callback_is_valid_) { | |
| 112 pp::Core* core = pp::Module::Get()->core(); | |
| 113 core->CallOnMainThread(0, client_callback_, PP_OK); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 void PnaclResources::RunWhenAllLoaded(pp::CompletionCallback& client_callback) { | |
| 118 if (all_loaded_) { | |
| 119 pp::Core* core = pp::Module::Get()->core(); | |
| 120 core->CallOnMainThread(0, client_callback, PP_OK); | |
| 121 } | |
| 122 client_callback_ = client_callback; | |
| 123 client_callback_is_valid_ = true; | |
| 124 } | |
| 125 | |
| 126 } // namespace plugin | 79 } // namespace plugin |
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