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86 lines
2 KiB
C++
86 lines
2 KiB
C++
// Copyright (c) 2012-2013 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
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#include <mutex>
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#include <system_error>
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#include <boost/filesystem.hpp>
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#include "crypto/crypto.h"
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#include "crypto/hash.h"
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#include "misc_language.h"
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#include "p2p/p2p_protocol_defs.h"
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namespace tools
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{
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std::string get_default_data_dir();
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std::string get_os_version_string();
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bool create_directories_if_necessary(const std::string& path);
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std::error_code replace_file(const std::string& replacement_name, const std::string& replaced_name);
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inline crypto::hash get_proof_of_trust_hash(const nodetool::proof_of_trust& pot)
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{
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std::string s;
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s.append(reinterpret_cast<const char*>(&pot.peer_id), sizeof(pot.peer_id));
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s.append(reinterpret_cast<const char*>(&pot.time), sizeof(pot.time));
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return crypto::cn_fast_hash(s.data(), s.size());
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}
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class signal_handler
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{
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public:
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template<typename T>
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static bool install(T t)
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{
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#if defined(WIN32)
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bool r = TRUE == ::SetConsoleCtrlHandler(&win_handler, TRUE);
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if (r)
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{
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m_handler = t;
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}
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return r;
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#else
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signal(SIGINT, posix_handler);
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signal(SIGTERM, posix_handler);
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m_handler = t;
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return true;
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#endif
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}
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private:
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#if defined(WIN32)
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static BOOL WINAPI win_handler(DWORD type)
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{
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if (CTRL_C_EVENT == type || CTRL_BREAK_EVENT == type)
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{
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handle_signal();
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return TRUE;
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}
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else
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{
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LOG_PRINT_RED_L0("Got control signal " << type << ". Exiting without saving...");
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return FALSE;
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}
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return TRUE;
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}
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#else
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static void posix_handler(int /*type*/)
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{
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handle_signal();
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}
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#endif
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static void handle_signal()
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{
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static std::mutex m_mutex;
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std::unique_lock<std::mutex> lock(m_mutex);
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m_handler();
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}
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private:
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static std::function<void(void)> m_handler;
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};
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}
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