mirror of
https://git.wownero.com/wownero/wownero.git
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- Support for ".onion" in --add-exclusive-node and --add-peer - Add --anonymizing-proxy for outbound Tor connections - Add --anonymous-inbounds for inbound Tor connections - Support for sharing ".onion" addresses over Tor connections - Support for broadcasting transactions received over RPC exclusively over Tor (else broadcast over public IP when Tor not enabled).
296 lines
9.1 KiB
C++
296 lines
9.1 KiB
C++
// Copyright (c) 2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "net_peerlist.h"
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#include <algorithm>
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#include <functional>
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#include <fstream>
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#include <iterator>
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#include <boost/archive/binary_iarchive.hpp>
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#include <boost/archive/portable_binary_oarchive.hpp>
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#include <boost/archive/portable_binary_iarchive.hpp>
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#include <boost/filesystem/operations.hpp>
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#include <boost/range/join.hpp>
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#include <boost/serialization/version.hpp>
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#include "net_peerlist_boost_serialization.h"
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namespace nodetool
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{
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namespace
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{
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constexpr unsigned CURRENT_PEERLIST_STORAGE_ARCHIVE_VER = 6;
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struct by_zone
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{
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using zone = epee::net_utils::zone;
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template<typename T>
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bool operator()(const T& left, const zone right) const
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{
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return left.adr.get_zone() < right;
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}
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template<typename T>
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bool operator()(const zone left, const T& right) const
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{
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return left < right.adr.get_zone();
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}
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template<typename T, typename U>
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bool operator()(const T& left, const U& right) const
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{
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return left.adr.get_zone() < right.adr.get_zone();
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}
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};
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template<typename Elem, typename Archive>
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std::vector<Elem> load_peers(Archive& a, unsigned ver)
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{
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// at v6, we drop existing peerlists, because annoying change
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if (ver < 6)
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return {};
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uint64_t size = 0;
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a & size;
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Elem ple{};
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std::vector<Elem> elems{};
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elems.reserve(size);
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while (size--)
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{
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a & ple;
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elems.push_back(std::move(ple));
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}
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return elems;
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}
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template<typename Archive, typename Range>
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void save_peers(Archive& a, const Range& elems)
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{
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const uint64_t size = elems.size();
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a & size;
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for (const auto& elem : elems)
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a & elem;
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}
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template<typename T>
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std::vector<T> do_take_zone(std::vector<T>& src, epee::net_utils::zone zone)
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{
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const auto start = std::lower_bound(src.begin(), src.end(), zone, by_zone{});
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const auto end = std::upper_bound(start, src.end(), zone, by_zone{});
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std::vector<T> out{};
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out.assign(std::make_move_iterator(start), std::make_move_iterator(end));
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src.erase(start, end);
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return out;
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}
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template<typename Container, typename T>
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void add_peers(Container& dest, std::vector<T>&& src)
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{
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dest.insert(std::make_move_iterator(src.begin()), std::make_move_iterator(src.end()));
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}
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template<typename Container, typename Range>
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void copy_peers(Container& dest, const Range& src)
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{
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std::copy(src.begin(), src.end(), std::back_inserter(dest));
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}
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} // anonymous
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struct peerlist_join
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{
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const peerlist_types& ours;
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const peerlist_types& other;
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};
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template<typename Archive>
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void serialize(Archive& a, peerlist_types& elem, unsigned ver)
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{
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elem.white = load_peers<peerlist_entry>(a, ver);
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elem.gray = load_peers<peerlist_entry>(a, ver);
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elem.anchor = load_peers<anchor_peerlist_entry>(a, ver);
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if (ver == 0)
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{
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// from v1, we do not store the peer id anymore
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peerid_type peer_id{};
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a & peer_id;
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}
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}
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template<typename Archive>
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void serialize(Archive& a, peerlist_join elem, unsigned ver)
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{
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save_peers(a, boost::range::join(elem.ours.white, elem.other.white));
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save_peers(a, boost::range::join(elem.ours.gray, elem.other.gray));
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save_peers(a, boost::range::join(elem.ours.anchor, elem.other.anchor));
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}
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boost::optional<peerlist_storage> peerlist_storage::open(std::istream& src, const bool new_format)
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{
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try
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{
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peerlist_storage out{};
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if (new_format)
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{
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boost::archive::portable_binary_iarchive a{src};
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a >> out.m_types;
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}
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else
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{
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boost::archive::binary_iarchive a{src};
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a >> out.m_types;
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}
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if (src.good())
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{
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std::sort(out.m_types.white.begin(), out.m_types.white.end(), by_zone{});
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std::sort(out.m_types.gray.begin(), out.m_types.gray.end(), by_zone{});
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std::sort(out.m_types.anchor.begin(), out.m_types.anchor.end(), by_zone{});
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return {std::move(out)};
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}
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}
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catch (const std::exception& e)
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{}
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return boost::none;
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}
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boost::optional<peerlist_storage> peerlist_storage::open(const std::string& path)
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{
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std::ifstream src_file{};
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src_file.open( path , std::ios_base::binary | std::ios_base::in);
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if(src_file.fail())
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return boost::none;
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boost::optional<peerlist_storage> out = open(src_file, true);
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if (!out)
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{
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// if failed, try reading in unportable mode
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boost::filesystem::copy_file(path, path + ".unportable", boost::filesystem::copy_option::overwrite_if_exists);
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src_file.close();
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src_file.open( path , std::ios_base::binary | std::ios_base::in);
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if(src_file.fail())
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return boost::none;
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out = open(src_file, false);
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if (!out)
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{
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// This is different from the `return boost::none` cases above. Those
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// cases could fail due to bad file permissions, so a shutdown is
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// likely more appropriate.
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MWARNING("Failed to load p2p config file, falling back to default config");
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out.emplace();
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}
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}
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return out;
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}
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peerlist_storage::~peerlist_storage() noexcept
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{}
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bool peerlist_storage::store(std::ostream& dest, const peerlist_types& other) const
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{
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try
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{
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boost::archive::portable_binary_oarchive a{dest};
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const peerlist_join pj{std::cref(m_types), std::cref(other)};
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a << pj;
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return dest.good();
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}
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catch (const boost::archive::archive_exception& e)
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{}
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return false;
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}
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bool peerlist_storage::store(const std::string& path, const peerlist_types& other) const
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{
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std::ofstream dest_file{};
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dest_file.open( path , std::ios_base::binary | std::ios_base::out| std::ios::trunc);
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if(dest_file.fail())
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return false;
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return store(dest_file, other);
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}
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peerlist_types peerlist_storage::take_zone(epee::net_utils::zone zone)
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{
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peerlist_types out{};
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out.white = do_take_zone(m_types.white, zone);
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out.gray = do_take_zone(m_types.gray, zone);
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out.anchor = do_take_zone(m_types.anchor, zone);
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return out;
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}
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bool peerlist_manager::init(peerlist_types&& peers, bool allow_local_ip)
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{
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CRITICAL_REGION_LOCAL(m_peerlist_lock);
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if (!m_peers_white.empty() || !m_peers_gray.empty() || !m_peers_anchor.empty())
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return false;
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add_peers(m_peers_white.get<by_addr>(), std::move(peers.white));
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add_peers(m_peers_gray.get<by_addr>(), std::move(peers.gray));
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add_peers(m_peers_anchor.get<by_addr>(), std::move(peers.anchor));
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m_allow_local_ip = allow_local_ip;
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return true;
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}
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void peerlist_manager::get_peerlist(std::vector<peerlist_entry>& pl_gray, std::vector<peerlist_entry>& pl_white)
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{
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CRITICAL_REGION_LOCAL(m_peerlist_lock);
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copy_peers(pl_gray, m_peers_gray.get<by_addr>());
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copy_peers(pl_white, m_peers_white.get<by_addr>());
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}
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void peerlist_manager::get_peerlist(peerlist_types& peers)
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{
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CRITICAL_REGION_LOCAL(m_peerlist_lock);
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peers.white.reserve(peers.white.size() + m_peers_white.size());
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peers.gray.reserve(peers.gray.size() + m_peers_gray.size());
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peers.anchor.reserve(peers.anchor.size() + m_peers_anchor.size());
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copy_peers(peers.white, m_peers_white.get<by_addr>());
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copy_peers(peers.gray, m_peers_gray.get<by_addr>());
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copy_peers(peers.anchor, m_peers_anchor.get<by_addr>());
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}
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}
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BOOST_CLASS_VERSION(nodetool::peerlist_types, nodetool::CURRENT_PEERLIST_STORAGE_ARCHIVE_VER);
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BOOST_CLASS_VERSION(nodetool::peerlist_join, nodetool::CURRENT_PEERLIST_STORAGE_ARCHIVE_VER);
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