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git-subtree-dir: src/ipc/libmultiprocess git-subtree-split: 35944ffd23fa26652b82210351d50e896ce16c8f
112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// Copyright (c) 2025 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef MP_PROXY_TYPE_INTERFACE_H
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#define MP_PROXY_TYPE_INTERFACE_H
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#include <mp/util.h>
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namespace mp {
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template <typename Interface, typename Impl>
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kj::Own<typename Interface::Server> MakeProxyServer(InvokeContext& context, std::shared_ptr<Impl> impl)
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{
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return kj::heap<ProxyServer<Interface>>(std::move(impl), context.connection);
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}
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template <typename Interface, typename Impl>
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kj::Own<typename Interface::Server> CustomMakeProxyServer(InvokeContext& context, std::shared_ptr<Impl>&& impl)
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{
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return MakeProxyServer<Interface, Impl>(context, std::move(impl));
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}
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template <typename Impl, typename Value, typename Output>
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void CustomBuildField(TypeList<std::unique_ptr<Impl>>,
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Priority<1>,
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InvokeContext& invoke_context,
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Value&& value,
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Output&& output,
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typename Decay<decltype(output.get())>::Calls* enable = nullptr)
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{
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if (value) {
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using Interface = typename decltype(output.get())::Calls;
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output.set(CustomMakeProxyServer<Interface, Impl>(invoke_context, std::shared_ptr<Impl>(value.release())));
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}
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}
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template <typename Impl, typename Value, typename Output>
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void CustomBuildField(TypeList<std::shared_ptr<Impl>>,
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Priority<2>,
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InvokeContext& invoke_context,
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Value&& value,
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Output&& output,
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typename Decay<decltype(output.get())>::Calls* enable = nullptr)
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{
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if (value) {
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using Interface = typename decltype(output.get())::Calls;
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output.set(CustomMakeProxyServer<Interface, Impl>(invoke_context, std::move(value)));
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}
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}
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template <typename Impl, typename Output>
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void CustomBuildField(TypeList<Impl&>,
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Priority<1>,
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InvokeContext& invoke_context,
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Impl& value,
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Output&& output,
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typename decltype(output.get())::Calls* enable = nullptr)
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{
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// Disable deleter so proxy server object doesn't attempt to delete the
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// wrapped implementation when the proxy client is destroyed or
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// disconnected.
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using Interface = typename decltype(output.get())::Calls;
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output.set(CustomMakeProxyServer<Interface, Impl>(invoke_context, std::shared_ptr<Impl>(&value, [](Impl*){})));
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}
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template <typename Interface, typename Impl>
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std::unique_ptr<Impl> MakeProxyClient(InvokeContext& context, typename Interface::Client&& client)
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{
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return std::make_unique<ProxyClient<Interface>>(
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std::move(client), &context.connection, /* destroy_connection= */ false);
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}
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template <typename Interface, typename Impl>
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std::unique_ptr<Impl> CustomMakeProxyClient(InvokeContext& context, typename Interface::Client&& client)
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{
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return MakeProxyClient<Interface, Impl>(context, kj::mv(client));
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}
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template <typename LocalType, typename Input, typename ReadDest>
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decltype(auto) CustomReadField(TypeList<std::unique_ptr<LocalType>>,
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Priority<1>,
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InvokeContext& invoke_context,
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Input&& input,
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ReadDest&& read_dest,
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typename Decay<decltype(input.get())>::Calls* enable = nullptr)
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{
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using Interface = typename Decay<decltype(input.get())>::Calls;
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if (input.has()) {
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return read_dest.construct(
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CustomMakeProxyClient<Interface, LocalType>(invoke_context, std::move(input.get())));
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}
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return read_dest.construct();
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}
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template <typename LocalType, typename Input, typename ReadDest>
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decltype(auto) CustomReadField(TypeList<std::shared_ptr<LocalType>>,
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Priority<1>,
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InvokeContext& invoke_context,
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Input&& input,
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ReadDest&& read_dest,
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typename Decay<decltype(input.get())>::Calls* enable = nullptr)
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{
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using Interface = typename Decay<decltype(input.get())>::Calls;
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if (input.has()) {
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return read_dest.construct(
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CustomMakeProxyClient<Interface, LocalType>(invoke_context, std::move(input.get())));
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}
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return read_dest.construct();
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}
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} // namespace mp
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#endif // MP_PROXY_TYPE_INTERFACE_H
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