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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/loader/ScriptCacheActors.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/xpconnect/loader/ScriptCacheActors.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/js/xpconnect/loader/ScriptCacheActors.cpp b/js/xpconnect/loader/ScriptCacheActors.cpp new file mode 100644 index 0000000000..9b44f0ffe6 --- /dev/null +++ b/js/xpconnect/loader/ScriptCacheActors.cpp @@ -0,0 +1,92 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/ScriptPreloader.h" +#include "ScriptPreloader-inl.h" +#include "mozilla/loader/ScriptCacheActors.h" + +#include "mozilla/dom/ContentParent.h" + +namespace mozilla { +namespace loader { + +void ScriptCacheChild::Init(const Maybe<FileDescriptor>& cacheFile, + bool wantCacheData) { + mWantCacheData = wantCacheData; + + auto& cache = ScriptPreloader::GetChildSingleton(); + Unused << cache.InitCache(cacheFile, this); + + if (!wantCacheData) { + // If the parent process isn't expecting any cache data from us, we're + // done. + Send__delete__(this, AutoTArray<ScriptData, 0>()); + } +} + +// Finalize the script cache for the content process, and send back data about +// any scripts executed up to this point. +void ScriptCacheChild::SendScriptsAndFinalize( + ScriptPreloader::ScriptHash& scripts) { + MOZ_ASSERT(mWantCacheData); + + AutoSafeJSAPI jsapi; + + auto matcher = ScriptPreloader::Match<ScriptPreloader::ScriptStatus::Saved>(); + + nsTArray<ScriptData> dataArray; + for (auto& script : IterHash(scripts, matcher)) { + if (!script->mSize && !script->XDREncode(jsapi.cx())) { + continue; + } + + auto data = dataArray.AppendElement(); + + data->url() = script->mURL; + data->cachePath() = script->mCachePath; + data->loadTime() = script->mLoadTime; + + if (script->HasBuffer()) { + auto& xdrData = script->Buffer(); + data->xdrData().AppendElements(xdrData.begin(), xdrData.length()); + script->FreeData(); + } + } + + Send__delete__(this, dataArray); +} + +void ScriptCacheChild::ActorDestroy(ActorDestroyReason aWhy) { + auto& cache = ScriptPreloader::GetChildSingleton(); + cache.mChildActor = nullptr; +} + +IPCResult ScriptCacheParent::Recv__delete__(nsTArray<ScriptData>&& scripts) { + if (!mWantCacheData && scripts.Length()) { + return IPC_FAIL(this, "UnexpectedScriptData"); + } + + // We don't want any more data from the process at this point. + mWantCacheData = false; + + // Merge the child's script data with the parent's. + auto parent = static_cast<dom::ContentParent*>(Manager()); + auto processType = + ScriptPreloader::GetChildProcessType(parent->GetRemoteType()); + + auto& cache = ScriptPreloader::GetChildSingleton(); + for (auto& script : scripts) { + cache.NoteStencil(script.url(), script.cachePath(), processType, + std::move(script.xdrData()), script.loadTime()); + } + + return IPC_OK(); +} + +void ScriptCacheParent::ActorDestroy(ActorDestroyReason aWhy) {} + +} // namespace loader +} // namespace mozilla |