Implement netdevice::rename (460adf5a) · Commits · e / os / android_hardware_interfaces

automotive/can/1.0/default/libnetdevice/include/libnetdevice/libnetdevice.h

+9 −0

Original line number	Diff line number	Diff line
		@@ -160,6 +160,15 @@ bool add(std::string_view dev, std::string_view type);
		*/
		bool del(std::string_view dev);

		/**
		* Rename interface.
		*
		* \param from the name of the interface to rename from
		* \param to the name of the interface to rename to
		* \return true in case of success, false otherwise
		*/
		bool rename(std::string_view from, std::string_view to);

		/**
		* Fetches interface's hardware address.
		*

+18 −0

Original line number	Diff line number	Diff line
		@@ -126,6 +126,10 @@ bool addAddr4(std::string_view ifname, std::string_view addr, uint8_t prefixlen)
		req->ifa_prefixlen = prefixlen;
		req->ifa_flags = IFA_F_SECONDARY;
		req->ifa_index = nametoindex(ifname);
		if (req->ifa_index == 0) {
		LOG(ERROR) << "Interface " << ifname << " doesn't exist";
		return false;
		}

		auto addrn = inetAddr(addr);
		req.add(IFLA_ADDRESS, addrn);
		@@ -156,6 +160,20 @@ bool del(std::string_view dev) {
		return sock.send(req) && sock.receiveAck(req);
		}

		bool rename(std::string_view from, std::string_view to) {
		nl::MessageFactory<ifinfomsg> req(RTM_SETLINK);
		req.add(IFLA_IFNAME, to);

		req->ifi_index = nametoindex(from);
		if (req->ifi_index == 0) {
		LOG(ERROR) << "Interface " << from << " doesn't exist";
		return false;
		}

		nl::Socket sock(NETLINK_ROUTE);
		return sock.send(req) && sock.receiveAck(req);
		}

		std::optional<hwaddr_t> getHwAddr(std::string_view ifname) {
		auto ifr = ifreqs::fromName(ifname);
		if (!ifreqs::send(SIOCGIFHWADDR, ifr)) return std::nullopt;