123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include "ModuleRegistry.h"
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#include "NativeModule.h"
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#include "SystraceSection.h"
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namespace facebook {
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namespace react {
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namespace {
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std::string normalizeName(std::string name) {
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// TODO mhorowitz #10487027: This is super ugly. We should just
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// change iOS to emit normalized names, drop the "RK..." from
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// names hardcoded in Android, and then delete this and the
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// similar hacks in js.
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if (name.compare(0, 3, "RCT") == 0) {
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return name.substr(3);
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} else if (name.compare(0, 2, "RK") == 0) {
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return name.substr(2);
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}
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return name;
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}
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}
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ModuleRegistry::ModuleRegistry(std::vector<std::unique_ptr<NativeModule>> modules)
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: modules_(std::move(modules)) {}
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std::vector<std::string> ModuleRegistry::moduleNames() {
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std::vector<std::string> names;
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for (size_t i = 0; i < modules_.size(); i++) {
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std::string name = normalizeName(modules_[i]->getName());
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modulesByName_[name] = i;
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names.push_back(std::move(name));
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}
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return names;
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}
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folly::Optional<ModuleConfig> ModuleRegistry::getConfig(const std::string& name) {
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SystraceSection s("getConfig", "module", name);
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auto it = modulesByName_.find(name);
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if (it == modulesByName_.end()) {
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return nullptr;
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}
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CHECK(it->second < modules_.size());
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NativeModule* module = modules_[it->second].get();
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// string name, object constants, array methodNames (methodId is index), [array promiseMethodIds], [array syncMethodIds]
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folly::dynamic config = folly::dynamic::array(name);
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{
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SystraceSection s("getConstants");
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config.push_back(module->getConstants());
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}
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{
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SystraceSection s("getMethods");
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std::vector<MethodDescriptor> methods = module->getMethods();
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folly::dynamic methodNames = folly::dynamic::array;
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folly::dynamic promiseMethodIds = folly::dynamic::array;
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folly::dynamic syncMethodIds = folly::dynamic::array;
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for (auto& descriptor : methods) {
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// TODO: #10487027 compare tags instead of doing string comparison?
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methodNames.push_back(std::move(descriptor.name));
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if (descriptor.type == "promise") {
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promiseMethodIds.push_back(methodNames.size() - 1);
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} else if (descriptor.type == "sync") {
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syncMethodIds.push_back(methodNames.size() - 1);
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}
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}
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if (!methodNames.empty()) {
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config.push_back(std::move(methodNames));
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if (!promiseMethodIds.empty() || !syncMethodIds.empty()) {
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config.push_back(std::move(promiseMethodIds));
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if (!syncMethodIds.empty()) {
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config.push_back(std::move(syncMethodIds));
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}
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}
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}
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}
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if (config.size() == 1) {
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// no constants or methods
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return nullptr;
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} else {
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return ModuleConfig({it->second, config});
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}
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}
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void ModuleRegistry::callNativeMethod(ExecutorToken token, unsigned int moduleId, unsigned int methodId,
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folly::dynamic&& params, int callId) {
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if (moduleId >= modules_.size()) {
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throw std::runtime_error(
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folly::to<std::string>("moduleId ", moduleId,
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" out of range [0..", modules_.size(), ")"));
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}
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#ifdef WITH_FBSYSTRACE
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if (callId != -1) {
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fbsystrace_end_async_flow(TRACE_TAG_REACT_APPS, "native", callId);
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}
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#endif
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modules_[moduleId]->invoke(token, methodId, std::move(params));
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}
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MethodCallResult ModuleRegistry::callSerializableNativeHook(ExecutorToken token, unsigned int moduleId, unsigned int methodId, folly::dynamic&& params) {
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if (moduleId >= modules_.size()) {
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throw std::runtime_error(
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folly::to<std::string>("moduleId ", moduleId,
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" out of range [0..", modules_.size(), ")"));
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}
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return modules_[moduleId]->callSerializableNativeHook(token, methodId, std::move(params));
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}
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}}
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