diff options
Diffstat (limited to 'hicn-light/src/platforms/linux/system.c')
| -rw-r--r-- | hicn-light/src/platforms/linux/system.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/hicn-light/src/platforms/linux/system.c b/hicn-light/src/platforms/linux/system.c deleted file mode 100644 index fcf13becc..000000000 --- a/hicn-light/src/platforms/linux/system.c +++ /dev/null @@ -1,184 +0,0 @@ -/* - * Copyright (c) 2017-2019 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <errno.h> -#include <ifaddrs.h> -#include <src/config.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <unistd.h> - -//#define __USE_MISC -#include <net/if.h> - -// to get the list of arp types -#include <net/if_arp.h> - -// for the mac address -#include <netpacket/packet.h> - -#include <src/core/forwarder.h> -#include <src/utils/interfaceSet.h> - -#include <parc/assert/parc_Assert.h> - -#include <src/utils/addressList.h> - -/** - * Returns the MTU for a named interface - * - * On linux, we get the MTU by opening a socket and reading SIOCGIFMTU - * - * @param [in] ifname Interface name (e.g. "eth0") - * - * @retval number The MTU in bytes - * - * Example: - * @code - * <#example#> - * @endcode - */ -static int getMtu(const char *ifname) { - struct ifreq ifr; - int fd; - - fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); - - strcpy(ifr.ifr_name, ifname); - ioctl(fd, SIOCGIFMTU, &ifr); - - close(fd); - return ifr.ifr_mtu; -} - -InterfaceSet *system_Interfaces(Forwarder *forwarder) { - InterfaceSet *set = interfaceSetCreate(); - - Logger *logger = forwarder_GetLogger(forwarder); - - // this is the dynamically allocated head of the list - struct ifaddrs *ifaddr; - int failure = getifaddrs(&ifaddr); - parcAssertFalse(failure, "Error getifaddrs: (%d) %s", errno, strerror(errno)); - - struct ifaddrs *next; - for (next = ifaddr; next != NULL; next = next->ifa_next) { - if ((next->ifa_addr == NULL) || ((next->ifa_flags & IFF_UP) == 0)) { - continue; - } - - Interface *iface = interfaceSetGetByName(set, next->ifa_name); - if (iface == NULL) { - unsigned mtu = (unsigned)getMtu(next->ifa_name); - - iface = interfaceCreate( - next->ifa_name, forwarder_GetNextConnectionId(forwarder), - next->ifa_flags & IFF_LOOPBACK, next->ifa_flags & IFF_MULTICAST, mtu); - - interfaceSetAdd(set, iface); - } - - int family = next->ifa_addr->sa_family; - switch (family) { - case AF_INET: { - Address *address = - addressCreateFromInet((struct sockaddr_in *)next->ifa_addr); - interfaceAddAddress(iface, address); - break; - } - - case AF_INET6: { - Address *address = - addressCreateFromInet6((struct sockaddr_in6 *)next->ifa_addr); - interfaceAddAddress(iface, address); - break; - } - - case AF_PACKET: { - struct sockaddr_ll *addr_ll = (struct sockaddr_ll *)next->ifa_addr; - - if (logger_IsLoggable(logger, LoggerFacility_IO, PARCLogLevel_Debug)) { - logger_Log(logger, LoggerFacility_IO, PARCLogLevel_Debug, __func__, - "sockaddr_ll family %d proto %d ifindex %d hatype %d " - "pkttype %d halen %d", - addr_ll->sll_family, addr_ll->sll_protocol, - addr_ll->sll_ifindex, addr_ll->sll_hatype, - addr_ll->sll_pkttype, addr_ll->sll_halen); - } - - switch (addr_ll->sll_hatype) { - // list of the ARP hatypes we can extract a MAC address from - case ARPHRD_ETHER: - // fallthrough - case ARPHRD_IEEE802: { - Address *address = addressCreateFromLink( - (uint8_t *)addr_ll->sll_addr, addr_ll->sll_halen); - interfaceAddAddress(iface, address); - break; - } - default: - break; - } - - break; - } - } - } - - freeifaddrs(ifaddr); - return set; -} - -Address *system_GetMacAddressByName(Forwarder *forwarder, - const char *interfaceName) { - Address *linkAddress = NULL; - - InterfaceSet *interfaceSet = system_Interfaces(forwarder); - Interface *interface = interfaceSetGetByName(interfaceSet, interfaceName); - - if (interface) { - const AddressList *addressList = interfaceGetAddresses(interface); - - size_t length = addressListLength(addressList); - for (size_t i = 0; i < length && !linkAddress; i++) { - const Address *a = addressListGetItem(addressList, i); - if (addressGetType(a) == ADDR_LINK) { - linkAddress = addressCopy(a); - } - } - } - - interfaceSetDestroy(&interfaceSet); - - return linkAddress; -} - -unsigned system_InterfaceMtu(Forwarder *forwarder, const char *interfaceName) { - unsigned mtu = 0; - - InterfaceSet *interfaceSet = system_Interfaces(forwarder); - Interface *interface = interfaceSetGetByName(interfaceSet, interfaceName); - - if (interface) { - mtu = interfaceGetMTU(interface); - } - - interfaceSetDestroy(&interfaceSet); - - return mtu; -} |