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40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
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// Copyright (c) 2021 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 BITCOIN_IPC_PROTOCOL_H
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#define BITCOIN_IPC_PROTOCOL_H
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#include <interfaces/init.h>
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#include <functional>
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#include <memory>
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#include <typeindex>
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namespace ipc {
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//! IPC protocol interface for calling IPC methods over sockets.
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//!
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//! There may be different implementations of this interface for different IPC
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//! protocols (e.g. Cap'n Proto, gRPC, JSON-RPC, or custom protocols).
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class Protocol
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{
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public:
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virtual ~Protocol() = default;
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//! Return Init interface that forwards requests over given socket descriptor.
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//! Socket communication is handled on a background thread.
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virtual std::unique_ptr<interfaces::Init> connect(int fd, const char* exe_name) = 0;
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//! Handle requests on provided socket descriptor, forwarding them to the
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//! provided Init interface. Socket communication is handled on the
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//! current thread, and this call blocks until the socket is closed.
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virtual void serve(int fd, const char* exe_name, interfaces::Init& init) = 0;
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//! Add cleanup callback to interface that will run when the interface is
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//! deleted.
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virtual void addCleanup(std::type_index type, void* iface, std::function<void()> cleanup) = 0;
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};
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} // namespace ipc
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#endif // BITCOIN_IPC_PROTOCOL_H
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