/* 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 = NULL; const char *inetErrDesc = NULL; /** * 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); } /** * Constructs a copy of inet * @param inet The address to be copied */ InetAddress::InetAddress(const InetAddress &inet) { TRACE_CLASS("InetAddress", "InetAddress(InetAddress)"); memcpy(&addr, &inet.addr, sizeof(addr)); } /// Destructor InetAddress::~InetAddress() { TRACE_CLASS("InetAddress" ,"~InetAddress()"); } /// 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; }