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glocal.cpp
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1//
2// Copyright (C) 2001-2023 Graeme Walker <graeme_walker@users.sourceforge.net>
3//
4// This program is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// This program is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with this program. If not, see <http://www.gnu.org/licenses/>.
16// ===
17///
18/// \file glocal.cpp
19///
20
21#include "gdef.h"
22#include "glocal.h"
23#include "ghostname.h"
24#include "gresolver.h"
25
27{
28 std::string name = G::hostname() ;
29 if( name.empty() )
30 return "localhost" ;
31 return name ;
32}
33
35{
36 static std::string result ;
37 static bool first = true ;
38 if( first )
39 {
40 first = false ;
41 static Location location( hostname().append(":0") ) ;
42 bool ok = Resolver::resolve(location).empty() && !location.name().empty() ;
43 result = ok ? location.name() : (hostname()+".localnet") ;
44 }
45 return result ;
46}
47
static std::string canonicalName()
Returns the canonical network name assiciated with hostname().
Definition: glocal.cpp:34
static std::string hostname()
Returns the local hostname. Returns "localhost" on error.
Definition: glocal.cpp:26
A class that represents the remote target for out-going client connections.
Definition: glocation.h:71
std::string name() const
Returns the remote canonical name.
Definition: glocation.cpp:183
static std::string resolve(Location &)
Does synchronous name resolution.
Definition: gresolver.cpp:194
std::string hostname()
Returns the hostname.