blob: e0ebdfc9003621046d0185afa92e4c1cd0981b88 [file] [log] [blame]
#include "config.h"
#include "network_manager.hpp"
#include <phosphor-logging/log.hpp>
#include <algorithm>
#include <bitset>
#include <experimental/filesystem>
#include <map>
#include <arpa/inet.h>
#include <dirent.h>
#include <net/if.h>
namespace phosphor
{
namespace network
{
using namespace phosphor::logging;
namespace fs = std::experimental::filesystem;
Manager::Manager(sdbusplus::bus::bus& bus, const char* objPath):
details::VLANCreateIface(bus, objPath, true)
{
auto interfaceInfoList = getInterfaceAddrs();
for (const auto& intfInfo : interfaceInfoList)
{
fs::path objectPath = std::string(OBJ_NETWORK);
objectPath /= intfInfo.first;
this->interfaces.emplace(std::make_pair(
intfInfo.first,
std::make_unique<
phosphor::network::EthernetInterface>
(bus,
objectPath.string(),
false,
intfInfo.second)));
}
}
void Manager::vLAN(IntfName interfaceName, uint16_t id)
{
}
IntfAddrMap Manager::getInterfaceAddrs() const
{
IntfAddrMap intfMap;
AddrList addrList;
struct ifaddrs* ifaddr;
// attempt to fill struct with ifaddrs
if (getifaddrs(&ifaddr) == -1)
{
log<level::ERR>("getifaddrs failed:",
entry("ERRNO=%s", strerror(errno)));
//TODO: openbmc/openbmc#1462 <create the error log>
return intfMap;
}
details::AddrPtr ifaddrPtr(ifaddr);
ifaddr = nullptr;
std::string intfName;
for (ifaddrs* ifa = ifaddrPtr.get(); ifa != nullptr; ifa = ifa->ifa_next)
{
// walk interfaces
if (ifa->ifa_addr == nullptr)
{
continue;
}
// get only INET interfaces not ipv6
if (ifa->ifa_addr->sa_family == AF_INET ||
ifa->ifa_addr->sa_family == AF_INET6)
{
// if loopback, or not running ignore
if ((ifa->ifa_flags & IFF_LOOPBACK) ||
!(ifa->ifa_flags & IFF_RUNNING))
{
continue;
}
// if the interface name is not same as the previous
// iteration then add the addr list into
// the map.
if (intfName != "" && intfName != std::string(ifa->ifa_name))
{
intfMap.emplace(intfName, addrList);
addrList.clear();
}
intfName = ifa->ifa_name;
AddrInfo info;
char ip[INET6_ADDRSTRLEN] = { 0 };
char subnetMask[INET6_ADDRSTRLEN] = { 0 };
uint16_t prefix = { 0 };
if (ifa->ifa_addr->sa_family == AF_INET)
{
inet_ntop(ifa->ifa_addr->sa_family,
&(((struct sockaddr_in*)(ifa->ifa_addr))->sin_addr),
ip,
sizeof(ip));
inet_ntop(ifa->ifa_addr->sa_family,
&(((struct sockaddr_in*)(ifa->ifa_netmask))->sin_addr),
subnetMask,
sizeof(subnetMask));
prefix = toCidr(subnetMask);
}
else
{
inet_ntop(ifa->ifa_addr->sa_family,
&(((struct sockaddr_in6*)(ifa->ifa_addr))->sin6_addr),
ip,
sizeof(ip));
inet_ntop(ifa->ifa_addr->sa_family,
&(((struct sockaddr_in6*)(ifa->ifa_netmask))->sin6_addr),
subnetMask,
sizeof(subnetMask));
//TODO: convert v6 mask into cidr
}
info.addrType = ifa->ifa_addr->sa_family;
info.ipaddress = ip;
info.prefix = prefix;
addrList.emplace_back(info);
}
}
intfMap.emplace(intfName, addrList);
return intfMap;
}
uint8_t Manager::toCidr(const char* subnetMask) const
{
uint32_t buff = 0;
auto rc = inet_pton(AF_INET, subnetMask, &buff);
if (rc <= 0)
{
log<level::ERR>("inet_pton failed:",
entry("Mask=%s", subnetMask));
return 0;
}
buff = be32toh(buff);
// total no of bits - total no of leading zero == total no of ones
if (((sizeof(buff) * 8) - (__builtin_ctz(buff))) == __builtin_popcount(buff))
{
return __builtin_popcount(buff);
}
else
{
log<level::ERR>("Invalid Mask",
entry("Mask=%s", subnetMask));
return 0;
}
}
}//namespace network
}//namespace phosphor