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/*
Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the
Queen in Right of Canada (Communications Research Center Canada)
Copyright (C) 2016
Matthias P. Braendli, matthias.braendli@mpb.li
http://www.opendigitalradio.org
*/
/*
This file is part of ODR-DabMux.
ODR-DabMux 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 3 of the
License, or (at your option) any later version.
ODR-DabMux 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 ODR-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include "InetAddress.h"
#include <iostream>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#ifdef TRACE_ON
# ifndef TRACE_CLASS
# define TRACE_CLASS(clas, func) cout <<"-" <<(clas) <<"\t(" <<this <<")::" <<(func) <<endl
# define TRACE_STATIC(clas, func) cout <<"-" <<(clas) <<"\t(static)::" <<(func) <<endl
# endif
#else
# ifndef TRACE_CLASS
# define TRACE_CLASS(clas, func)
# define TRACE_STATIC(clas, func)
# endif
#endif
int inetErrNo = 0;
const char *inetErrMsg = nullptr;
const char *inetErrDesc = nullptr;
/**
* Constructs an IP address.
* @param port The port of this address
* @param name The name of this address
*/
InetAddress::InetAddress(int port, const char* name) {
TRACE_CLASS("InetAddress", "InetAddress(int, char)");
addr.sin_family = PF_INET;
addr.sin_addr.s_addr = htons(INADDR_ANY);
addr.sin_port = htons(port);
if (name)
setAddress(name);
}
/// Returns the raw IP address of this InetAddress object.
sockaddr *InetAddress::getAddress() {
TRACE_CLASS("InetAddress", "getAddress()");
return (sockaddr *)&addr;
}
/// Return the port of this address.
int InetAddress::getPort()
{
TRACE_CLASS("InetAddress", "getPort()");
return ntohs(addr.sin_port);
}
/**
* Returns the IP address string "%d.%d.%d.%d".
* @return IP address
*/
const char *InetAddress::getHostAddress() {
TRACE_CLASS("InetAddress", "getHostAddress()");
return inet_ntoa(addr.sin_addr);
}
/// Returns true if this address is multicast
bool InetAddress::isMulticastAddress() {
TRACE_CLASS("InetAddress", "isMulticastAddress()");
return IN_MULTICAST(ntohl(addr.sin_addr.s_addr)); // a modifier
}
/**
* Set the port number
* @param port The new port number
*/
void InetAddress::setPort(int port)
{
TRACE_CLASS("InetAddress", "setPort(int)");
addr.sin_port = htons(port);
}
/**
* Set the address
* @param name The new address name
* @return 0 if ok
* -1 if error
*/
int InetAddress::setAddress(const std::string& name)
{
TRACE_CLASS("InetAddress", "setAddress(string)");
if (!name.empty()) {
if (atoi(name.c_str())) { // If it start with a number
if ((addr.sin_addr.s_addr = inet_addr(name.c_str())) == INADDR_NONE) {
addr.sin_addr.s_addr = htons(INADDR_ANY);
inetErrNo = 0;
inetErrMsg = "Invalid address";
inetErrDesc = name.c_str();
return -1;
}
}
else { // Assume it's a real name
hostent *host = gethostbyname(name.c_str());
if (host) {
addr.sin_addr = *(in_addr *)(host->h_addr);
} else {
addr.sin_addr.s_addr = htons(INADDR_ANY);
inetErrNo = 0;
inetErrMsg = "Could not find address";
inetErrDesc = name.c_str();
return -1;
}
}
}
else {
addr.sin_addr.s_addr = INADDR_ANY;
}
return 0;
}
void setInetError(const char* description)
{
inetErrNo = 0;
inetErrNo = errno;
inetErrMsg = strerror(inetErrNo);
inetErrDesc = description;
}
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