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2d3f72fd3f
Use new SpawnProcess and StartSpawned functions to be compatible with an upcoming version of libmultiprocess which adds windows support.
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright (c) 2021-present 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_PROCESS_H
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#define BITCOIN_IPC_PROCESS_H
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#include <util/fs.h>
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#include <memory>
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#include <ipc/util.h>
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#include <string>
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namespace ipc {
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class Protocol;
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//! IPC process interface for spawning bitcoin processes and serving requests
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//! in processes that have been spawned.
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//!
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//! There will be different implementations of this interface depending on the
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//! platform (e.g. unix, windows).
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class Process
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{
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public:
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virtual ~Process() = default;
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//! Spawn process and return socket id for communicating with it.
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virtual std::tuple<mp::ProcessId, mp::SocketId> spawn(const std::string& new_exe_name, const fs::path& argv0_path) = 0;
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//! Wait for spawned process to exit and return its exit code.
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virtual int waitSpawned(mp::ProcessId pid) = 0;
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//! Parse command line and determine if current process is a spawned child
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//! process. If so, return true and a socket id for communicating
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//! with the parent process.
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virtual bool checkSpawned(int argc, char* argv[], mp::SocketId& socket) = 0;
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//! Canonicalize and connect to address, returning socket id.
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virtual mp::SocketId connect(const fs::path& data_dir,
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const std::string& dest_exe_name,
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std::string& address) = 0;
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//! Create listening socket, bind and canonicalize address, and return socket id.
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virtual mp::SocketId bind(const fs::path& data_dir,
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const std::string& exe_name,
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std::string& address) = 0;
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};
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//! Constructor for Process interface. Implementation will vary depending on
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//! the platform (unix or windows).
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std::unique_ptr<Process> MakeProcess();
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} // namespace ipc
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#endif // BITCOIN_IPC_PROCESS_H
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