aboutsummaryrefslogtreecommitdiffstats
path: root/hicn-light/src/platforms/linux
diff options
context:
space:
mode:
authorLuca Muscariello <lumuscar+fdio@cisco.com>2019-03-23 14:13:53 +0100
committerAngelo Mantellini <manangel@cisco.com>2019-03-24 14:11:17 +0100
commiteb323e056e747d71867cf965434811c1de925de2 (patch)
tree23a6096823d795efe448559cf0409a18ab47932d /hicn-light/src/platforms/linux
parent43562f9f02d35e5d540ab4028a0326c0c7cd4898 (diff)
[HICN-141] Definition of a C API for hicn-light
Change-Id: Id861f0abe58b1e3c9ba8cc76701da0f9c6801748 Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com> Signed-off-by: Angelo Mantellini <manangel@cisco.com>
Diffstat (limited to 'hicn-light/src/platforms/linux')
-rw-r--r--hicn-light/src/platforms/linux/system.c184
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;
-}