| 1 | #ifndef ADDRESSDISCOVERY_HPP_
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| 2 | #define ADDRESSDISCOVERY_HPP_
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| 3 |
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| 4 | #include "ariba/utility/addressing/addressing.hpp"
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| 5 |
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| 6 | #include <sys/types.h>
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| 7 | #include <sys/socket.h>
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| 8 | #include <arpa/inet.h>
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| 9 | #include <netinet/in.h>
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| 10 | #include <net/if.h>
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| 11 | #include <ifaddrs.h>
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| 12 |
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| 13 | using namespace ariba::addressing;
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| 14 |
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| 15 | mac_address getMacFromIF( const char* name ) {
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| 16 | int s;
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| 17 | struct ifreq buffer;
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| 18 | s = socket(PF_INET, SOCK_DGRAM, 0);
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| 19 | memset(&buffer, 0x00, sizeof(buffer));
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| 20 | strcpy(buffer.ifr_name, name);
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| 21 | ioctl(s, SIOCGIFHWADDR, &buffer);
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| 22 | close(s);
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| 23 | mac_address addr;
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| 24 | addr.assign( (uint8_t*)buffer.ifr_hwaddr.sa_data, 6 );
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| 25 | return addr;
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| 26 | }
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| 27 |
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| 28 | void discoverEndpoints( endpoint_set& endpoints ) {
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| 29 | struct ifaddrs* ifaceBuffer = NULL;
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| 30 | struct ifaddrs* tmpAddr = NULL;
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| 31 | void* tmpAddrPtr = NULL;
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| 32 | char straddr [INET_ADDRSTRLEN];
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| 33 |
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| 34 | int ret = getifaddrs( &ifaceBuffer );
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| 35 | if( ret != 0 ) return;
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| 36 |
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| 37 | for( struct ifaddrs* i=ifaceBuffer; i != NULL; i=i->ifa_next ) {
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| 38 |
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| 39 | // ignore devices that are disabled or have no ip
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| 40 | if(i == NULL) continue;
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| 41 | struct sockaddr* addr = i->ifa_addr;
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| 42 |
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| 43 | // only look at IPv4, not IPv6 addresses
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| 44 | if (addr->sa_family == AF_INET) {
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| 45 | if (addr==NULL) continue;
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| 46 | tmpAddrPtr= &((struct sockaddr_in*)addr)->sin_addr;
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| 47 | inet_ntop( i->ifa_addr->sa_family, tmpAddrPtr, straddr, sizeof(straddr) );
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| 48 | ip_address ip = straddr;
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| 49 | if (ip.is_loopback()) continue;
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| 50 | address_vf vf = ip;
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| 51 | endpoints.add( vf );
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| 52 | } else
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| 53 | if (addr->sa_family == AF_INET6) {
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| 54 | if (addr==NULL) continue;
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| 55 | tmpAddrPtr= &((struct sockaddr_in6*)addr)->sin6_addr;
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| 56 | inet_ntop( i->ifa_addr->sa_family, tmpAddrPtr, straddr, sizeof(straddr) );
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| 57 | ip_address ip = straddr;
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| 58 | if (ip.is_loopback()) continue;
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| 59 | address_vf vf = ip;
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| 60 | endpoints.add( vf );
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| 61 | } else
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| 62 | if (i->ifa_name[0]=='p' && i->ifa_name[1]=='a' && i->ifa_name[2]=='n') {
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| 63 | mac_address mac = getMacFromIF(i->ifa_name);
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| 64 | address_vf vf = mac;
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| 65 | endpoints.add( vf );
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| 66 | }
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | #endif /* ADDRESSDISCOVERY_HPP_ */
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