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113 lines
3.3 KiB
113 lines
3.3 KiB
4 months ago
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// Copyright 2015 The Chromium 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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#ifndef IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_
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#define IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_
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#include <tuple>
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namespace IPC {
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template <typename... Ts>
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class ParamDeserializer : public MessageReplyDeserializer {
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public:
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explicit ParamDeserializer(const std::tuple<Ts&...>& out) : out_(out) {}
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bool SerializeOutputParameters(const IPC::Message& msg,
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base::PickleIterator iter) override {
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return ReadParam(&msg, &iter, &out_);
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}
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std::tuple<Ts&...> out_;
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};
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template <typename Meta, typename... Ins>
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MessageT<Meta, std::tuple<Ins...>, void>::MessageT(Routing routing,
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const Ins&... ins)
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: Message(routing.id, ID, PRIORITY_NORMAL) {
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WriteParam(this, std::tie(ins...));
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}
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template <typename Meta, typename... Ins>
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bool MessageT<Meta, std::tuple<Ins...>, void>::Read(const Message* msg,
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Param* p) {
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base::PickleIterator iter(*msg);
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return ReadParam(msg, &iter, p);
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}
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template <typename Meta, typename... Ins>
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void MessageT<Meta, std::tuple<Ins...>, void>::Log(std::string* name,
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const Message* msg,
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std::string* l) {
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if (name)
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*name = Meta::kName;
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if (!msg || !l)
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return;
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Param p;
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if (Read(msg, &p))
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LogParam(p, l);
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}
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template <typename Meta, typename... Ins, typename... Outs>
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MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::MessageT(
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Routing routing,
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const Ins&... ins,
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Outs*... outs)
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: SyncMessage(
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routing.id,
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ID,
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PRIORITY_NORMAL,
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new ParamDeserializer<Outs...>(std::tie(*outs...))) {
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WriteParam(this, std::tie(ins...));
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}
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template <typename Meta, typename... Ins, typename... Outs>
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bool MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::ReadSendParam(
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const Message* msg,
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SendParam* p) {
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base::PickleIterator iter = SyncMessage::GetDataIterator(msg);
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return ReadParam(msg, &iter, p);
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}
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template <typename Meta, typename... Ins, typename... Outs>
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bool MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::ReadReplyParam(
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const Message* msg,
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ReplyParam* p) {
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base::PickleIterator iter = SyncMessage::GetDataIterator(msg);
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return ReadParam(msg, &iter, p);
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}
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template <typename Meta, typename... Ins, typename... Outs>
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void MessageT<Meta,
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std::tuple<Ins...>,
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std::tuple<Outs...>>::WriteReplyParams(Message* reply,
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const Outs&... outs) {
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WriteParam(reply, std::tie(outs...));
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}
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template <typename Meta, typename... Ins, typename... Outs>
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void MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::Log(
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std::string* name,
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const Message* msg,
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std::string* l) {
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if (name)
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*name = Meta::kName;
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if (!msg || !l)
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return;
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if (msg->is_sync()) {
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SendParam p;
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if (ReadSendParam(msg, &p))
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LogParam(p, l);
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AddOutputParamsToLog(msg, l);
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} else {
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ReplyParam p;
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if (ReadReplyParam(msg, &p))
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LogParam(p, l);
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}
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}
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} // namespace IPC
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#endif // IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_
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