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3078ba7036
This enables work ongoing by @derekxu16 to improve performance in flutter_tester when running multiple files from large test suites. Specifically, it: - Exposes a `Spawn` C symbol from flutter_tester that runs the current kernel in a new UI isolate with a different entrypoint and/or route name - Exposes two symbols from flutter_tester to allow a test harness to more efficiently load particular kernel files or to lookup an entrypoint from an imported source file. - Avoids re-loading the kernel file completely when spawning a new UI isolate Googlers can look at go/flutter-tester-isolates for some more context. If anyone wants I'm happy to create a public version of that doc.
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/runtime/dart_isolate_group_data.h"
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#include <utility>
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#include "flutter/runtime/dart_snapshot.h"
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namespace flutter {
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DartIsolateGroupData::DartIsolateGroupData(
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const Settings& settings,
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fml::RefPtr<const DartSnapshot> isolate_snapshot,
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std::string advisory_script_uri,
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std::string advisory_script_entrypoint,
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const ChildIsolatePreparer& child_isolate_preparer,
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const fml::closure& isolate_create_callback,
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const fml::closure& isolate_shutdown_callback)
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: settings_(settings),
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isolate_snapshot_(std::move(isolate_snapshot)),
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advisory_script_uri_(std::move(advisory_script_uri)),
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advisory_script_entrypoint_(std::move(advisory_script_entrypoint)),
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child_isolate_preparer_(child_isolate_preparer),
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isolate_create_callback_(isolate_create_callback),
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isolate_shutdown_callback_(isolate_shutdown_callback) {
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FML_DCHECK(isolate_snapshot_) << "Must contain a valid isolate snapshot.";
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}
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DartIsolateGroupData::~DartIsolateGroupData() = default;
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const Settings& DartIsolateGroupData::GetSettings() const {
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return settings_;
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}
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fml::RefPtr<const DartSnapshot> DartIsolateGroupData::GetIsolateSnapshot()
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const {
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return isolate_snapshot_;
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}
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const std::string& DartIsolateGroupData::GetAdvisoryScriptURI() const {
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return advisory_script_uri_;
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}
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const std::string& DartIsolateGroupData::GetAdvisoryScriptEntrypoint() const {
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return advisory_script_entrypoint_;
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}
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ChildIsolatePreparer DartIsolateGroupData::GetChildIsolatePreparer() const {
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std::scoped_lock lock(child_isolate_preparer_mutex_);
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return child_isolate_preparer_;
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}
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const fml::closure& DartIsolateGroupData::GetIsolateCreateCallback() const {
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return isolate_create_callback_;
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}
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const fml::closure& DartIsolateGroupData::GetIsolateShutdownCallback() const {
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return isolate_shutdown_callback_;
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}
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void DartIsolateGroupData::SetChildIsolatePreparer(
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const ChildIsolatePreparer& value) {
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std::scoped_lock lock(child_isolate_preparer_mutex_);
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child_isolate_preparer_ = value;
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}
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void DartIsolateGroupData::SetPlatformMessageHandler(
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int64_t root_isolate_token,
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std::weak_ptr<PlatformMessageHandler> handler) {
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std::scoped_lock lock(platform_message_handlers_mutex_);
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platform_message_handlers_[root_isolate_token] = handler;
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}
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std::weak_ptr<PlatformMessageHandler>
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DartIsolateGroupData::GetPlatformMessageHandler(
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int64_t root_isolate_token) const {
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std::scoped_lock lock(platform_message_handlers_mutex_);
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auto it = platform_message_handlers_.find(root_isolate_token);
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return it == platform_message_handlers_.end()
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? std::weak_ptr<PlatformMessageHandler>()
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: it->second;
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}
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void DartIsolateGroupData::AddKernelBuffer(
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const std::shared_ptr<const fml::Mapping>& buffer) {
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kernel_buffers_.push_back(buffer);
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}
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std::vector<std::shared_ptr<const fml::Mapping>>
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DartIsolateGroupData::GetKernelBuffers() const {
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return kernel_buffers_;
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}
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} // namespace flutter
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