Files
secondo/Algebras/DBService2/LocationInfo.cpp
2026-01-23 17:03:45 +08:00

168 lines
4.0 KiB
C++

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