109 lines
3.2 KiB
C++
109 lines
3.2 KiB
C++
/*
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* Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
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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
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the author nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: socket_addr.cpp,v 1.4 2004/07/22 19:10:59 mpc Exp $
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*/
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#include "platform.hpp"
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#include "socket_error.hpp"
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#include "socket_addr.hpp"
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using namespace Libsockthread;
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Socket_addr::Socket_addr(Socket_addr& rhs)
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{
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delete[] ip;
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if (rhs.resolved) {
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if (rhs.family == AF_INET) {
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ip = new char[INET_ADDRSTRLEN];
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else
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ip = new char[INET6_ADDRSTRLEN];
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strcpy(ip, rhs.ip);
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}
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family = rhs.family;
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host = rhs.host;
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port = rhs.port;
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resolved = rhs.resolved;
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type = rhs.type;
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}
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Socket_addr& Socket_addr::operator=(const Socket_addr& rhs)
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{
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if (this == &rhs) // check for self-assignment: a = a
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return *this;
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delete[] ip;
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if (rhs.resolved) {
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if (rhs.family == AF_INET)
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ip = new char[INET_ADDRSTRLEN];
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else
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ip = new char[INET6_ADDRSTRLEN];
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strcpy(ip, rhs.ip);
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}
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family = rhs.family;
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host = rhs.host;
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port = rhs.port;
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type = rhs.type;
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return *this;
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}
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/*
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* Performs a DNS lookup
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*/
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void Socket_addr::resolve()
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{
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resolved = false; // in case they already had a host name but just set a
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// new one with set_host()
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hostent* hent = gethostbyname(host.c_str());
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if (hent == NULL)
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throw Dns_error(hstrerror(h_errno));
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assert(hent->h_addrtype == AF_INET || hent->h_addrtype == AF_INET6);
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family = hent->h_addrtype;
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delete[] ip;
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if (family == AF_INET) {
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ip = new char[INET_ADDRSTRLEN];
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else
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ip = new char[INET6_ADDRSTRLEN];
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strcpy(ip, hent->h_addr_list[0]);
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resolved = true;
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}
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bool Socket_addr::operator==(const Socket_addr& rhs)
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{
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if (rhs.family == family
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&& rhs.host == host
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&& strcmp(rhs.ip, ip) == 0
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&& rhs.port == port
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&& rhs.resolved == resolved
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&& rhs.type == type)
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return true;
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else
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return false;
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}
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