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ipc / ipc_message_templates_impl.h [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_
#define IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_
#include <tuple>
namespace IPC {
template <typename... Ts>
class ParamDeserializer : public MessageReplyDeserializer {
public:
explicit ParamDeserializer(const std::tuple<Ts&...>& out) : out_(out) {}
bool SerializeOutputParameters(const IPC::Message& msg,
base::PickleIterator iter) override {
return ReadParam(&msg, &iter, &out_);
}
std::tuple<Ts&...> out_;
};
template <typename Meta, typename... Ins>
MessageT<Meta, std::tuple<Ins...>, void>::MessageT(Routing routing,
const Ins&... ins)
: Message(routing.id, ID, PRIORITY_NORMAL) {
WriteParam(this, std::tie(ins...));
}
template <typename Meta, typename... Ins>
bool MessageT<Meta, std::tuple<Ins...>, void>::Read(const Message* msg,
Param* p) {
base::PickleIterator iter(*msg);
return ReadParam(msg, &iter, p);
}
template <typename Meta, typename... Ins>
void MessageT<Meta, std::tuple<Ins...>, void>::Log(std::string* name,
const Message* msg,
std::string* l) {
if (name)
*name = Meta::kName;
if (!msg || !l)
return;
Param p;
if (Read(msg, &p))
LogParam(p, l);
}
template <typename Meta, typename... Ins, typename... Outs>
MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::MessageT(
Routing routing,
const Ins&... ins,
Outs*... outs)
: SyncMessage(
routing.id,
ID,
PRIORITY_NORMAL,
std::make_unique<ParamDeserializer<Outs...>>(std::tie(*outs...))) {
WriteParam(this, std::tie(ins...));
}
template <typename Meta, typename... Ins, typename... Outs>
bool MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::ReadSendParam(
const Message* msg,
SendParam* p) {
base::PickleIterator iter = SyncMessage::GetDataIterator(msg);
return ReadParam(msg, &iter, p);
}
template <typename Meta, typename... Ins, typename... Outs>
bool MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::ReadReplyParam(
const Message* msg,
ReplyParam* p) {
base::PickleIterator iter = SyncMessage::GetDataIterator(msg);
return ReadParam(msg, &iter, p);
}
template <typename Meta, typename... Ins, typename... Outs>
void MessageT<Meta,
std::tuple<Ins...>,
std::tuple<Outs...>>::WriteReplyParams(Message* reply,
const Outs&... outs) {
WriteParam(reply, std::tie(outs...));
}
template <typename Meta, typename... Ins, typename... Outs>
void MessageT<Meta, std::tuple<Ins...>, std::tuple<Outs...>>::Log(
std::string* name,
const Message* msg,
std::string* l) {
if (name)
*name = Meta::kName;
if (!msg || !l)
return;
if (msg->is_sync()) {
SendParam p;
if (ReadSendParam(msg, &p))
LogParam(p, l);
AddOutputParamsToLog(msg, l);
} else {
ReplyParam p;
if (ReadReplyParam(msg, &p))
LogParam(p, l);
}
}
} // namespace IPC
#endif // IPC_IPC_MESSAGE_TEMPLATES_IMPL_H_