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Hacks for iOS demo #19
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,103 @@ | ||
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| #include "flutter/shell/common/shorebird.h" | ||
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| #include <optional> | ||
| #include <vector> | ||
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| #include "flutter/fml/command_line.h" | ||
| #include "flutter/fml/file.h" | ||
| #include "flutter/fml/macros.h" | ||
| #include "flutter/fml/message_loop.h" | ||
| #include "flutter/fml/native_library.h" | ||
| #include "flutter/fml/paths.h" | ||
| #include "flutter/fml/size.h" | ||
| #include "flutter/lib/ui/plugins/callback_cache.h" | ||
| #include "flutter/runtime/dart_vm.h" | ||
| #include "flutter/shell/common/shell.h" | ||
| #include "flutter/shell/common/switches.h" | ||
| #include "third_party/dart/runtime/include/dart_tools_api.h" | ||
| #include "third_party/skia/include/core/SkFontMgr.h" | ||
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| #include "third_party/updater/library/include/updater.h" | ||
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| // Namespaced to avoid Google style warnings. | ||
| namespace flutter { | ||
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| // Old Android versions (e.g. the v16 ndk Flutter uses) don't always include a | ||
| // getauxval symbol, but the Rust ring crate assumes it exists: | ||
| // https://github.com/briansmith/ring/blob/fa25bf3a7403c9fe6458cb87bd8427be41225ca2/src/cpu/arm.rs#L22 | ||
| // It uses it to determine if the CPU supports AES instructions. | ||
| // Making this a weak symbol allows the linker to use a real version instead | ||
| // if it can find one. | ||
| // BoringSSL just reads from procfs instead, which is what we would do if | ||
| // we needed to implement this ourselves. Implementation looks straightforward: | ||
| // https://lwn.net/Articles/519085/ | ||
| // https://github.com/google/boringssl/blob/6ab4f0ae7f2db96d240eb61a5a8b4724e5a09b2f/crypto/cpu_arm_linux.c | ||
| #if defined(__ANDROID__) && defined(__arm__) | ||
| extern "C" __attribute__((weak)) unsigned long getauxval(unsigned long type) { | ||
| return 0; | ||
| } | ||
| #endif | ||
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| void ConfigureShorebird(std::string cache_path, | ||
| flutter::Settings& settings, | ||
| const std::string& shorebird_yaml, | ||
| const std::string& version, | ||
| int64_t version_code) { | ||
| auto cache_dir = | ||
| fml::paths::JoinPaths({std::move(cache_path), "shorebird_updater"}); | ||
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| fml::CreateDirectory(fml::paths::GetCachesDirectory(), {"shorebird_updater"}, | ||
| fml::FilePermission::kReadWrite); | ||
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| // Using a block to make AppParameters lifetime explicit. | ||
| { | ||
| AppParameters app_parameters; | ||
| // Combine version and version_code into a single string. | ||
| // We could also pass these separately through to the updater if needed. | ||
| auto release_version = version + "+" + std::to_string(version_code); | ||
| app_parameters.release_version = release_version.c_str(); | ||
| app_parameters.cache_dir = cache_dir.c_str(); | ||
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| // https://stackoverflow.com/questions/26032039/convert-vectorstring-into-char-c | ||
| std::vector<const char*> c_paths{}; | ||
| for (const auto& string : settings.application_library_path) { | ||
| c_paths.push_back(string.c_str()); | ||
| } | ||
| // Do not modify application_library_path or c_strings will invalidate. | ||
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| app_parameters.original_libapp_paths = c_paths.data(); | ||
| app_parameters.original_libapp_paths_size = c_paths.size(); | ||
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| // shorebird_init copies from app_parameters and shorebirdYaml. | ||
| shorebird_init(&app_parameters, shorebird_yaml.c_str()); | ||
| } | ||
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| char* c_active_path = shorebird_next_boot_patch_path(); | ||
| if (c_active_path != NULL) { | ||
| std::string active_path = c_active_path; | ||
| shorebird_free_string(c_active_path); | ||
| FML_LOG(INFO) << "Shorebird updater: active path: " << active_path; | ||
| char* c_patch_number = shorebird_next_boot_patch_number(); | ||
| if (c_patch_number != NULL) { | ||
| std::string patch_number = c_patch_number; | ||
| shorebird_free_string(c_patch_number); | ||
| FML_LOG(INFO) << "Shorebird updater: active patch number: " | ||
| << patch_number; | ||
| } | ||
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| settings.application_library_path.clear(); | ||
| settings.application_library_path.emplace_back(active_path); | ||
| // Once start_update_thread is called, the next_boot_patch* functions may | ||
| // change their return values if the shorebird_report_launch_failed | ||
| // function is called. | ||
| shorebird_report_launch_start(); | ||
| } else { | ||
| FML_LOG(INFO) << "Shorebird updater: no active patch."; | ||
| } | ||
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| FML_LOG(INFO) << "Starting Shorebird update"; | ||
| shorebird_start_update_thread(); | ||
| } | ||
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| } // namespace flutter |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| #ifndef SHELL_COMMON_SHOREBIRD_H_ | ||
| #define SHELL_COMMON_SHOREBIRD_H_ | ||
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| #include "flutter/common/settings.h" | ||
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| namespace flutter { | ||
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| void ConfigureShorebird(std::string cache_path, | ||
| flutter::Settings& settings, | ||
| const std::string& shorebird_yaml, | ||
| const std::string& version, | ||
| int64_t version_code); | ||
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| } // namespace flutter | ||
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| #endif // SHELL_COMMON_SHOREBIRD_H_ |
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This should have been release.