168 lines
4.0 KiB
C++
168 lines
4.0 KiB
C++
/*
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1.1.1 Class Implementation
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----
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This file is part of SECONDO.
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Copyright (C) 2017,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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TODO Remove. Obsolete
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*/
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#include <string>
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#include "Algebras/DBService2/LocationInfo.hpp"
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using namespace std;
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namespace DBService {
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LocationInfo::LocationInfo(const string& host,
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const string& port,
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const string& config,
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const string& disk,
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const string& commPort,
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const string& transferPort)
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: MetadataObject(),
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host(host), port(port), config(config), disk(disk),
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commPort(commPort), transferPort(transferPort)
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{}
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const string& LocationInfo::getHost() const
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{
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return host;
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}
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const string& LocationInfo::getPort() const
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{
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return port;
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}
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const string& LocationInfo::getConfig() const
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{
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return config;
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}
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const string& LocationInfo::getDisk() const
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{
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return disk;
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}
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const string& LocationInfo::getCommPort() const
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{
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return commPort;
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}
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const string& LocationInfo::getTransferPort() const
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{
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return transferPort;
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}
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void LocationInfo::setTransferPort(string& port)
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{
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transferPort = port;
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}
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bool LocationInfo::isSameWorker(
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const string& cmpHost,
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const string& cmpPort) const
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{
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return isSameHost(cmpHost) && (port == cmpPort);
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}
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bool LocationInfo::isSameHost(
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const std::string& cmpHost) const
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{
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bool isIdentical = false;
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string resolvedHost = resolveHostToIP(host);
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string resolvedHostToCompare = resolveHostToIP(cmpHost);
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// Only if both hosts can be resolved and are string-equal, they are
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// considered equal.
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if (resolvedHost != "" && resolvedHostToCompare != ""
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&& (resolvedHost == resolvedHostToCompare))
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isIdentical = true;
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return isIdentical;
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}
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bool LocationInfo::isSameDisk(
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const std::string& cmpHost, const std::string& cmpDisk) const
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{
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if(!isSameHost(cmpHost))
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{
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return false;
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}
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size_t slashPos = disk.find("/", 1);
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if(slashPos != cmpDisk.find("/", 1))
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{
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return false;
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}
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return disk.substr(0, slashPos).compare(cmpDisk.substr(0, slashPos)) == 0;
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}
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string LocationInfo::resolveHostToIP(std::string hostname) const
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{
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string resolvedIP = "";
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boost::asio::io_service io_service;
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boost::asio::ip::tcp::resolver::query resolver_query(hostname, "",
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boost::asio::ip::tcp::resolver::query::numeric_service);
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boost::asio::ip::tcp::resolver resolver(io_service);
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boost::system::error_code error_code;
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boost::asio::ip::tcp::resolver::iterator it =
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resolver.resolve(resolver_query, error_code);
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// TODO Raise exception
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if (error_code)
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{
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// TODO Raise exception
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// << "Error code: " << error_code.value()
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// << ".\nMessage: " << error_code.message();
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return "";
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}
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boost::asio::ip::tcp::resolver::iterator it_end;
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// TODO make ipv6 ready
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// Look for the first IPv4 address
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for (; it != it_end; it++) {
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boost::asio::ip::tcp::endpoint ep = it->endpoint();
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if ( !ep.address().is_v4() )
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continue;
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// std::cout << "Endpoint Address: " << ep.address();
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resolvedIP = ep.address().to_string();
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}
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return resolvedIP;
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}
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} /* namespace DBService */
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