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-rw-r--r--lib/InetAddress.cpp171
1 files changed, 171 insertions, 0 deletions
diff --git a/lib/InetAddress.cpp b/lib/InetAddress.cpp
new file mode 100644
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--- /dev/null
+++ b/lib/InetAddress.cpp
@@ -0,0 +1,171 @@
+/*
+ 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);
+}
+
+
+/**
+ * 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;
+}
+