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added Environment::nodeId()

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This commit is contained in:
Guenter Obiltschnig
2008-09-18 15:49:05 +00:00
parent b5b35cb173
commit 5ae8225ece
17 changed files with 359 additions and 236 deletions
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134
Foundation/src/Environment_UNIX.cpp
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@@ -1,7 +1,7 @@
//
// Environment_UNIX.cpp
//
// $Id: //poco/svn/Foundation/src/Environment_UNIX.cpp#2 $
// $Id: //poco/1.3/Foundation/src/Environment_UNIX.cpp#3 $
//
// Library: Foundation
// Package: Core
@@ -118,3 +118,135 @@ std::string EnvironmentImpl::nodeNameImpl()
} // namespace Poco
//
// nodeIdImpl
//
#if defined(POCO_OS_FAMILY_BSD) || POCO_OS == POCO_OS_QNX
//
// BSD variants
//
#include <sys/types.h>
#include <sys/socket.h>
#include <ifaddrs.h>
#include <net/if_dl.h>
namespace Poco {
void EnvironmentImpl::nodeIdImpl(NodeId& id)
{
struct ifaddrs* ifaphead;
int rc = getifaddrs(&ifaphead);
if (rc) throw SystemException("cannot get network adapter list");
bool foundAdapter = false;
for (struct ifaddrs* ifap = ifaphead; ifap; ifap = ifap->ifa_next)
{
if (ifap->ifa_addr && ifap->ifa_addr->sa_family == AF_LINK)
{
struct sockaddr_dl* sdl = reinterpret_cast<struct sockaddr_dl*>(ifap->ifa_addr);
caddr_t ap = (caddr_t) (sdl->sdl_data + sdl->sdl_nlen);
int alen = sdl->sdl_alen;
if (ap && alen > 0)
{
std::memcpy(&id, ap, sizeof(id));
foundAdapter = true;
break;
}
}
}
freeifaddrs(ifaphead);
if (!foundAdapter) throw SystemException("cannot determine MAC address (no suitable network adapter found)");
}
} // namespace Poco
#elif defined(__CYGWIN__) || POCO_OS == POCO_OS_LINUX
//
// Linux, Cygwin
//
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <unistd.h>
namespace Poco {
void EnvironmentImpl::nodeIdImpl(NodeId& id)
{
struct ifreq ifr;
int s = socket(PF_INET, SOCK_DGRAM, 0);
if (s == -1) throw SystemException("cannot open socket");
strcpy(ifr.ifr_name, "eth0");
int rc = ioctl(s, SIOCGIFHWADDR, &ifr);
close(s);
if (rc < 0) throw SystemException("cannot get MAC address");
struct sockaddr* sa = reinterpret_cast<struct sockaddr*>(&ifr.ifr_addr);
std::memcpy(&id, sa->sa_data, sizeof(id));
}
} // namespace Poco
#elif defined(POCO_OS_FAMILY_UNIX)
//
// General Unix
//
#include <sys/ioctl.h>
#if defined(sun) || defined(__sun)
#include <sys/sockio.h>
#endif
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <unistd.h>
namespace Poco {
void EnvironmentImpl::nodeIdImpl(NodeId& id)
{
char name[MAXHOSTNAMELEN];
if (gethostname(name, sizeof(name)))
throw SystemException("cannot get host name");
struct hostent* pHost = gethostbyname(name);
if (!pHost) throw SystemException("cannot get host IP address");
int s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1) throw SystemException("cannot open socket");
struct arpreq ar;
std::memset(&ar, 0, sizeof(ar));
struct sockaddr_in* pAddr = reinterpret_cast<struct sockaddr_in*>(&ar.arp_pa);
pAddr->sin_family = AF_INET;
std::memcpy(&pAddr->sin_addr, *pHost->h_addr_list, sizeof(struct in_addr));
int rc = ioctl(s, SIOCGARP, &ar);
close(s);
if (rc < 0) throw SystemException("cannot get MAC address");
std::memcpy(&id, ar.arp_ha.sa_data, sizeof(id));
}
} // namespace Poco
#endif