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https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
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latest changes from main repository
This commit is contained in:
Guenter Obiltschnig
@@ -1,7 +1,7 @@
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//
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// NetworkInterface.cpp
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//
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// $Id: //poco/Main/Net/src/NetworkInterface.cpp#16 $
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// $Id: //poco/Main/Net/src/NetworkInterface.cpp#18 $
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//
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// Library: Net
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// Package: Sockets
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@@ -38,6 +38,7 @@
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#include "Poco/Net/DatagramSocket.h"
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#include "Poco/Net/NetException.h"
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#include "Poco/NumberFormatter.h"
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#include "Poco/RefCountedObject.h"
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#include <string.h>
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@@ -49,48 +50,215 @@ namespace Poco {
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namespace Net {
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FastMutex NetworkInterface::_mutex;
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//
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// NetworkInterfaceImpl
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//
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NetworkInterface::NetworkInterface():
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_index(0)
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class NetworkInterfaceImpl: public Poco::RefCountedObject
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{
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public:
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NetworkInterfaceImpl();
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NetworkInterfaceImpl(const std::string& name, const IPAddress& address, int index = -1);
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NetworkInterfaceImpl(const std::string& name, const IPAddress& address, const IPAddress& subnetMask, const IPAddress& broadcastAddress, int index = -1);
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int index() const;
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const std::string& name() const;
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const IPAddress& address() const;
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const IPAddress& subnetMask() const;
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const IPAddress& broadcastAddress() const;
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protected:
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~NetworkInterfaceImpl();
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private:
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std::string _name;
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IPAddress _address;
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IPAddress _subnetMask;
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IPAddress _broadcastAddress;
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int _index;
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};
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NetworkInterfaceImpl::NetworkInterfaceImpl():
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_index(-1)
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{
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}
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NetworkInterface::NetworkInterface(const std::string& name, const IPAddress& address, int index):
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NetworkInterfaceImpl::NetworkInterfaceImpl(const std::string& name, const IPAddress& address, int index):
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_name(name),
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_address(address),
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_index(index)
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{
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#ifndef _WIN32
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if (index == -1) // IPv4
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{
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struct ifreq ifr;
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strncpy(ifr.ifr_name, name.c_str(), IFNAMSIZ);
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DatagramSocket ds(IPAddress::IPv4);
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ds.impl()->ioctl(SIOCGIFNETMASK, &ifr);
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if (ifr.ifr_addr.sa_family == AF_INET)
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_subnetMask = IPAddress(&reinterpret_cast<const struct sockaddr_in*>(&ifr.ifr_addr)->sin_addr, sizeof(struct in_addr));
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if (!address.isLoopback())
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{
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try
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{
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// Not every interface (e.g. loopback) has a broadcast address
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ds.impl()->ioctl(SIOCGIFBRDADDR, &ifr);
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if (ifr.ifr_addr.sa_family == AF_INET)
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_broadcastAddress = IPAddress(&reinterpret_cast<const struct sockaddr_in*>(&ifr.ifr_addr)->sin_addr, sizeof(struct in_addr));
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}
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catch (...)
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{
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}
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}
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}
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#endif
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}
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NetworkInterfaceImpl::NetworkInterfaceImpl(const std::string& name, const IPAddress& address, const IPAddress& subnetMask, const IPAddress& broadcastAddress, int index):
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_name(name),
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_address(address),
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_subnetMask(subnetMask),
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_broadcastAddress(broadcastAddress),
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_index(index)
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{
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}
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NetworkInterfaceImpl::~NetworkInterfaceImpl()
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{
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}
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inline int NetworkInterfaceImpl::index() const
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{
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return _index;
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}
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inline const std::string& NetworkInterfaceImpl::name() const
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{
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return _name;
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}
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inline const IPAddress& NetworkInterfaceImpl::address() const
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{
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return _address;
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}
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inline const IPAddress& NetworkInterfaceImpl::subnetMask() const
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{
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return _subnetMask;
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}
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inline const IPAddress& NetworkInterfaceImpl::broadcastAddress() const
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{
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return _broadcastAddress;
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}
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//
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// NetworkInterface
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//
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FastMutex NetworkInterface::_mutex;
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NetworkInterface::NetworkInterface():
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_pImpl(new NetworkInterfaceImpl)
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{
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}
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NetworkInterface::NetworkInterface(const NetworkInterface& interface):
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_name(interface._name),
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_address(interface._address),
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_index(interface._index)
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_pImpl(interface._pImpl)
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{
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_pImpl->duplicate();
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}
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NetworkInterface::NetworkInterface(const std::string& name, const IPAddress& address, int index):
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_pImpl(new NetworkInterfaceImpl(name, address, index))
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{
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}
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NetworkInterface::NetworkInterface(const std::string& name, const IPAddress& address, const IPAddress& subnetMask, const IPAddress& broadcastAddress, int index):
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_pImpl(new NetworkInterfaceImpl(name, address, subnetMask, broadcastAddress, index))
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{
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}
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NetworkInterface::~NetworkInterface()
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{
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_pImpl->release();
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}
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NetworkInterface& NetworkInterface::operator = (const NetworkInterface& interface)
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{
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if (&interface != this)
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{
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_name = interface._name;
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_address = interface._address;
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_index = interface._index;
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}
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NetworkInterface tmp(interface);
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swap(tmp);
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return *this;
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}
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void NetworkInterface::swap(NetworkInterface& other)
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{
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using std::swap;
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swap(_pImpl, other._pImpl);
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}
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int NetworkInterface::index() const
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{
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return _pImpl->index();
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}
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const std::string& NetworkInterface::name() const
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{
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return _pImpl->name();
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}
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const IPAddress& NetworkInterface::address() const
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{
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return _pImpl->address();
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}
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const IPAddress& NetworkInterface::subnetMask() const
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{
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return _pImpl->subnetMask();
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}
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const IPAddress& NetworkInterface::broadcastAddress() const
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{
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return _pImpl->broadcastAddress();
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}
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bool NetworkInterface::supportsIPv4() const
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{
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return _pImpl->index() == -1;
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}
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bool NetworkInterface::supportsIPv6() const
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{
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return _pImpl->index() != -1;
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}
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NetworkInterface NetworkInterface::forName(const std::string& name, bool requireIPv6)
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{
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#if defined(_WIN32)
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@@ -114,12 +282,14 @@ NetworkInterface NetworkInterface::forName(const std::string& name, bool require
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addr = IPAddress(&reinterpret_cast<const struct sockaddr_in*>(&ifr.ifr_addr)->sin_addr, sizeof(struct in_addr));
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else if (ifr.ifr_addr.sa_family == AF_INET6)
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addr = IPAddress(&reinterpret_cast<const struct sockaddr_in6*>(&ifr.ifr_addr)->sin6_addr, sizeof(struct in6_addr));
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else throw InterfaceNotFoundException(addr.toString(), "interface has no IP address");
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else
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throw InterfaceNotFoundException(addr.toString(), "interface has no IP address");
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int index = if_nametoindex(name.c_str());
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#else
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if (ifr.ifr_addr.sa_family == AF_INET)
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addr = IPAddress(&reinterpret_cast<const struct sockaddr_in*>(&ifr.ifr_addr)->sin_addr, sizeof(struct in_addr));
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else throw InterfaceNotFoundException(addr.toString(), "interface has no IP address");
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else
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throw InterfaceNotFoundException(addr.toString(), "interface has no IP address");
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int index = 0;
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#endif
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return NetworkInterface(name, addr, index);
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@@ -178,20 +348,21 @@ NetworkInterface::NetworkInterfaceList NetworkInterface::list()
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{
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FastMutex::ScopedLock lock(_mutex);
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NetworkInterfaceList result;
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DWORD rc;
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#if defined(POCO_HAVE_IPv6)
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// On Windows XP/Server 2003 and later we use GetAdaptersAddresses.
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PIP_ADAPTER_ADDRESSES pAdapterAddresses;
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PIP_ADAPTER_ADDRESSES pAdapter = 0;
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ULONG len = sizeof(IP_ADAPTER_ADDRESSES);
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pAdapterAddresses = reinterpret_cast<IP_ADAPTER_ADDRESSES*>(new char[len]);
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PIP_ADAPTER_ADDRESSES pAddress = 0;
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ULONG addrLen = sizeof(IP_ADAPTER_ADDRESSES);
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pAdapterAddresses = reinterpret_cast<IP_ADAPTER_ADDRESSES*>(new char[addrLen]);
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// Make an initial call to GetAdaptersAddresses to get
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// the necessary size into len
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DWORD rc = GetAdaptersAddresses(AF_UNSPEC, 0, 0, pAdapterAddresses, &len);
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// the necessary size into addrLen
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rc = GetAdaptersAddresses(AF_INET6, 0, 0, pAdapterAddresses, &addrLen);
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if (rc == ERROR_BUFFER_OVERFLOW)
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{
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delete [] reinterpret_cast<char*>(pAdapterAddresses);
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pAdapterAddresses = reinterpret_cast<IP_ADAPTER_ADDRESSES*>(new char[len]);
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pAdapterAddresses = reinterpret_cast<IP_ADAPTER_ADDRESSES*>(new char[addrLen]);
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}
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else if (rc != ERROR_SUCCESS)
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{
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@@ -199,16 +370,16 @@ NetworkInterface::NetworkInterfaceList NetworkInterface::list()
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}
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try
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{
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if (GetAdaptersAddresses(AF_UNSPEC, 0, 0, pAdapterAddresses, &len) == NO_ERROR)
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if (GetAdaptersAddresses(AF_INET6, 0, 0, pAdapterAddresses, &addrLen) == NO_ERROR)
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{
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pAdapter = pAdapterAddresses;
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while (pAdapter)
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pAddress = pAdapterAddresses;
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while (pAddress)
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{
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if (pAdapter->FirstUnicastAddress)
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if (pAddress->FirstUnicastAddress)
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{
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IPAddress addr(pAdapter->FirstUnicastAddress->Address.lpSockaddr, pAdapter->FirstUnicastAddress->Address.iSockaddrLength);
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result.push_back(NetworkInterface(std::string(pAdapter->AdapterName), addr, pAdapter->Ipv6IfIndex));
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pAdapter = pAdapter->Next;
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IPAddress addr(pAddress->FirstUnicastAddress->Address.lpSockaddr, pAddress->FirstUnicastAddress->Address.iSockaddrLength);
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result.push_back(NetworkInterface(std::string(pAddress->AdapterName), addr, pAddress->Ipv6IfIndex));
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pAddress = pAddress->Next;
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}
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}
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}
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@@ -220,21 +391,22 @@ NetworkInterface::NetworkInterfaceList NetworkInterface::list()
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throw;
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}
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delete [] reinterpret_cast<char*>(pAdapterAddresses);
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#else
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// Add loopback interface (not returned by GetAdaptersInfo)
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#endif
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// Add IPv4 loopback interface (not returned by GetAdaptersInfo)
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result.push_back(NetworkInterface("Loopback", IPAddress("127.0.0.1"), -1));
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// On Windows 2000 we use GetAdaptersInfo.
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PIP_ADAPTER_INFO pAdapterInfo;
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PIP_ADAPTER_INFO pAdapter = 0;
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ULONG len = sizeof(IP_ADAPTER_INFO);
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pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[len]);
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PIP_ADAPTER_INFO pInfo = 0;
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ULONG infoLen = sizeof(IP_ADAPTER_INFO);
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pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[infoLen]);
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// Make an initial call to GetAdaptersInfo to get
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// the necessary size into len
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DWORD rc = GetAdaptersInfo(pAdapterInfo, &len);
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// the necessary size into infoLen
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rc = GetAdaptersInfo(pAdapterInfo, &infoLen);
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if (rc == ERROR_BUFFER_OVERFLOW)
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{
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delete [] reinterpret_cast<char*>(pAdapterInfo);
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pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[len]);
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pAdapterInfo = reinterpret_cast<IP_ADAPTER_INFO*>(new char[infoLen]);
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}
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else if (rc != ERROR_SUCCESS)
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{
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@@ -242,14 +414,17 @@ NetworkInterface::NetworkInterfaceList NetworkInterface::list()
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}
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try
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{
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if (GetAdaptersInfo(pAdapterInfo, &len) == NO_ERROR)
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if (GetAdaptersInfo(pAdapterInfo, &infoLen) == NO_ERROR)
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{
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pAdapter = pAdapterInfo;
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while (pAdapter)
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pInfo = pAdapterInfo;
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while (pInfo)
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{
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IPAddress addr(std::string(pAdapter->IpAddressList.IpAddress.String));
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result.push_back(NetworkInterface(std::string(pAdapter->AdapterName), addr));
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pAdapter = pAdapter->Next;
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IPAddress address(std::string(pInfo->IpAddressList.IpAddress.String));
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IPAddress subnetMask(std::string(pInfo->IpAddressList.IpMask.String));
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IPAddress broadcastAddress(address);
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broadcastAddress.mask(subnetMask, IPAddress("255.255.255.255"));
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result.push_back(NetworkInterface(std::string(pInfo->AdapterName), address, subnetMask, broadcastAddress));
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pInfo = pInfo->Next;
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}
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}
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else throw NetException("cannot get network adapter list");
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@@ -260,7 +435,6 @@ NetworkInterface::NetworkInterfaceList NetworkInterface::list()
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throw;
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}
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delete [] reinterpret_cast<char*>(pAdapterInfo);
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#endif
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return result;
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}
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