コード例 #1
0
ファイル: IPNDAgent.cpp プロジェクト: iamyangchen/ibrdtn
		void IPNDAgent::join(const ibrcommon::vinterface &iface, const ibrcommon::vaddress &addr) throw ()
		{
			IBRCOMMON_LOGGER_DEBUG_TAG(TAG, 10) << "Join on " << iface.toString() << " (" << addr.toString() << ", family: " << addr.family() << ")" << IBRCOMMON_LOGGER_ENDL;

			// only join IPv6 and IPv4 addresses
			if ((addr.family() != AF_INET) && (addr.family() != AF_INET6)) return;

			// do not join on loopback interfaces
			if (addr.isLocal()) return;

			// create a multicast socket and bind to given addr
			ibrcommon::multicastsocket *msock = new ibrcommon::multicastsocket(addr);

			// if we are in UP state
			if (_state) {
				try {
					// bring up
					msock->up();

					// listen to multicast addresses
					for (std::set<ibrcommon::vaddress>::const_iterator it_addr = _destinations.begin(); it_addr != _destinations.end(); ++it_addr)
					{
                        if (msock->get_family() != it_addr->family())
                            continue;
                        
						try {
							msock->join(*it_addr, iface);
						} catch (const ibrcommon::socket_raw_error &e) {
							if (e.error() == EADDRINUSE) {
								// silent error
							} else if (e.error() == 92) {
								// silent error - protocol not available
							} else {
								IBRCOMMON_LOGGER_TAG(IPNDAgent::TAG, warning) << "Join to " << (*it_addr).toString() << " failed on " << iface.toString() << "; " << e.what() << IBRCOMMON_LOGGER_ENDL;
							}
						} catch (const ibrcommon::socket_exception &e) {
							IBRCOMMON_LOGGER_DEBUG_TAG(IPNDAgent::TAG, 10) << "Join to " << (*it_addr).toString() << " failed on " << iface.toString() << "; " << e.what() << IBRCOMMON_LOGGER_ENDL;
						}
					}
				} catch (const ibrcommon::socket_exception &ex) {
					IBRCOMMON_LOGGER_TAG(IPNDAgent::TAG, error) << "Join failed on " << iface.toString() << " (" << addr.toString() << ", family: " << addr.family() << ")" << "; " << ex.what() << IBRCOMMON_LOGGER_ENDL;
					delete msock;
					return;
				}
			}

			// add multicast socket to _socket
			_socket.add(msock, iface);
		}
コード例 #2
0
ファイル: IPNDAgent.cpp プロジェクト: bgernert/ibrdtn
		void IPNDAgent::join(const ibrcommon::vinterface &iface, const ibrcommon::vaddress &addr) throw ()
		{
			// only join IPv6 and IPv4 addresses
			if ((addr.family() != AF_INET) && (addr.family() != AF_INET6)) return;

			// do not join on loopback interfaces
			if (addr.isLocal()) return;

			// create a multicast socket and bind to given addr
			ibrcommon::multicastsocket *msock = new ibrcommon::multicastsocket(addr);

			try {
				// bring up
				msock->up();

				// add multicast socket to _socket
				_socket.add(msock, iface);
			} catch (const ibrcommon::socket_exception &ex) {
				IBRCOMMON_LOGGER_TAG(IPNDAgent::TAG, error) << "Can not send on " << iface.toString() << " (" << addr.toString() << ", family: " << addr.family() << ")" << "; " << ex.what() << IBRCOMMON_LOGGER_ENDL;
				delete msock;
			}
		}