+ m_Init =
+ (pSnmpExtensionInit) GetProcAddress(m_hInst, "SnmpExtensionInit");
+ m_InitEx =
+ (pSnmpExtensionInitEx) GetProcAddress(m_hInst,
+ "SnmpExtensionInitEx");
+ m_Query =
+ (pSnmpExtensionQuery) GetProcAddress(m_hInst,
+ "SnmpExtensionQuery");
+ m_Trap =
+ (pSnmpExtensionTrap) GetProcAddress(m_hInst, "SnmpExtensionTrap");
+ m_Init(GetTickCount(), &PollForTrapEvent, &SupportedView);
+
+ /* Initialize the variable list to be retrieved by m_Query */
+ varBindList.list = varBind;
+ varBind[0].name = MIB_NULL;
+ varBind[1].name = MIB_NULL;
+
+ /* Copy in the OID to find the number of entries in the
+ Inteface table */
+ varBindList.len = 1; /* Only retrieving one item */
+ SNMP_oidcpy(&varBind[0].name, &MIB_ifEntryNum);
+ ret =
+ m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
+ &errorIndex);
+ printf("# of adapters in this system : %i\n",
+ varBind[0].value.asnValue.number); varBindList.len = 2;
+
+ /* Copy in the OID of ifType, the type of interface */
+ SNMP_oidcpy(&varBind[0].name, &MIB_ifEntryType);
+
+ /* Copy in the OID of ifPhysAddress, the address */
+ SNMP_oidcpy(&varBind[1].name, &MIB_ifMACEntAddr);
+
+ do {
+
+ /* Submit the query. Responses will be loaded into varBindList.
+ We can expect this call to succeed a # of times corresponding
+ to the # of adapters reported to be in the system */
+ ret =
+ m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
+ &errorIndex); if (!ret) ret = 1;
+
+ else
+ /* Confirm that the proper type has been returned */
+ ret =
+ SNMP_oidncmp(&varBind[0].name, &MIB_ifEntryType,
+ MIB_ifEntryType.idLength); if (!ret) {
+ j++;
+ dtmp = varBind[0].value.asnValue.number;
+ printf("Interface #%i type : %i\n", j, dtmp);
+
+ /* Type 6 describes ethernet interfaces */
+ if (dtmp == 6) {
+
+ /* Confirm that we have an address here */
+ ret =
+ SNMP_oidncmp(&varBind[1].name, &MIB_ifMACEntAddr,
+ MIB_ifMACEntAddr.idLength);
+ if ((!ret)
+ && (varBind[1].value.asnValue.address.stream != NULL)) {
+ if (
+ (varBind[1].value.asnValue.address.stream[0] ==
+ 0x44)
+ && (varBind[1].value.asnValue.address.stream[1] ==
+ 0x45)
+ && (varBind[1].value.asnValue.address.stream[2] ==
+ 0x53)
+ && (varBind[1].value.asnValue.address.stream[3] ==
+ 0x54)
+ && (varBind[1].value.asnValue.address.stream[4] ==
+ 0x00)) {
+
+ /* Ignore all dial-up networking adapters */
+ printf("Interface #%i is a DUN adapter\n", j);
+ continue;
+ }
+ if (
+ (varBind[1].value.asnValue.address.stream[0] ==
+ 0x00)
+ && (varBind[1].value.asnValue.address.stream[1] ==
+ 0x00)
+ && (varBind[1].value.asnValue.address.stream[2] ==
+ 0x00)
+ && (varBind[1].value.asnValue.address.stream[3] ==
+ 0x00)
+ && (varBind[1].value.asnValue.address.stream[4] ==
+ 0x00)
+ && (varBind[1].value.asnValue.address.stream[5] ==
+ 0x00)) {
+
+ /* Ignore NULL addresses returned by other network
+ interfaces */
+ printf("Interface #%i is a NULL address\n", j);
+ continue;
+ }
+ //sprintf((char*)addr, "%02x%02x%02x%02x%02x%02x",
+ // varBind[1].value.asnValue.address.stream[0],
+ // varBind[1].value.asnValue.address.stream[1],
+ // varBind[1].value.asnValue.address.stream[2],
+ // varBind[1].value.asnValue.address.stream[3],
+ // varBind[1].value.asnValue.address.stream[4],
+ // varBind[1].value.asnValue.address.stream[5]);
+ memcpy( addr, varBind[1].value.asnValue.address.stream, 6);
+ //printf("MAC Address of interface #%i: %s\n", j, addr);
+ }
+ }
+ }
+ } while (!ret); /* Stop only on an error. An error will occur
+ when we go exhaust the list of interfaces to
+ be examined */
+ //getch();
+
+ /* Free the bindings */
+ SNMP_FreeVarBind(&varBind[0]);
+ SNMP_FreeVarBind(&varBind[1]);
+ return 0;
+#endif //_WIN32
+
+/* implementation for Linux */
+#ifdef __linux__
+ struct ifreq ifr;
+ struct ifreq *IFR;
+ struct ifconf ifc;
+ char buf[1024];
+ int s, i;
+ int ok = 0;
+
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s==-1) {
+ return -1;
+ }
+
+ ifc.ifc_len = sizeof(buf);
+ ifc.ifc_buf = buf;
+ ioctl(s, SIOCGIFCONF, &ifc);
+
+ IFR = ifc.ifc_req;
+ for (i = ifc.ifc_len / sizeof(struct ifreq); --i >= 0; IFR++) {
+
+ strcpy(ifr.ifr_name, IFR->ifr_name);
+ if (ioctl(s, SIOCGIFFLAGS, &ifr) == 0) {
+ if (! (ifr.ifr_flags & IFF_LOOPBACK)) {
+ if (ioctl(s, SIOCGIFHWADDR, &ifr) == 0) {
+ ok = 1;
+ break;
+ }
+ }
+ }
+ }
+
+ close(s);
+ if (ok) {
+ bcopy( ifr.ifr_hwaddr.sa_data, addr, 6);
+ }
+ else {
+ return -1;
+ }
+ return 0;
+#endif
+
+/* implementation for FreeBSD */
+#ifdef __FreeBSD__
+ struct ifaddrs *ifap, *ifaphead;
+ int rtnerr;
+ const struct sockaddr_dl *sdl;
+ caddr_t ap;
+ int alen;
+
+ rtnerr = getifaddrs(&ifaphead);
+ if (rtnerr) {
+ //perror(NULL);
+ return -1;
+ }
+
+ for (ifap = ifaphead; ifap; ifap = ifap->ifa_next) {
+
+ if (ifap->ifa_addr->sa_family == AF_LINK) {
+ sdl = (const struct sockaddr_dl *) ifap->ifa_addr;
+ ap = ((caddr_t)((sdl)->sdl_data + (sdl)->sdl_nlen));
+ alen = sdl->sdl_alen;
+ if (ap && alen > 0) {
+ int i;
+
+ //printf ("%s:", ifap->ifa_name);
+ //for (i = 0; i < alen; i++, ap++)
+ {
+ //printf("%c%02x", i > 0 ? ':' : ' ', 0xff&*ap);
+ }
+ bcopy( ap, addr, 6);
+ //putchar('\n');
+ }
+ }
+ }
+ //putchar('\n');
+
+ freeifaddrs(ifaphead);
+ return 0;
+#endif //FreeBSD
+
+/* implementation for HP-UX */
+#ifdef __HP_aCC
+
+#define LAN_DEV0 "/dev/lan0"
+
+ int fd;
+ struct fis iocnt_block;
+ int i;
+ char net_buf[sizeof(LAN_DEV0)+1];
+ char *p;
+
+ (void)sprintf(net_buf, "%s", LAN_DEV0);
+ p = net_buf + strlen(net_buf) - 1;
+
+ /*
+ * Get 802.3 address from card by opening the driver and interrogating it.
+ */
+ for (i = 0; i < 10; i++, (*p)++) {
+ if ((fd = open (net_buf, O_RDONLY)) != -1) {
+ iocnt_block.reqtype = LOCAL_ADDRESS;
+ ioctl (fd, NETSTAT, &iocnt_block);
+ close (fd);
+
+ if (iocnt_block.vtype == 6)
+ break;
+ }
+ }
+
+ if (fd == -1 || iocnt_block.vtype != 6) {
+ return -1;
+ }
+
+ bcopy( &iocnt_block.value.s[0], addr, 6);
+ return 0;
+
+#endif /* HPUX */
+
+/* implementation for AIX */
+#ifdef _AIX
+
+ int size;
+ struct kinfo_ndd *nddp;
+
+ size = getkerninfo(KINFO_NDD, 0, 0, 0);
+ if (size <= 0) {
+ return -1;
+ }
+ nddp = (struct kinfo_ndd *)malloc(size);
+
+ if (!nddp) {
+ return -1;
+ }
+ if (getkerninfo(KINFO_NDD, nddp, &size, 0) < 0) {
+ free(nddp);
+ return -1;
+ }
+ bcopy(nddp->ndd_addr, addr, 6);
+ free(nddp);
+ return 0;
+#endif //_AIX
+
+#ifdef __APPLE__
+ kern_return_t kernResult = KERN_SUCCESS; // on PowerPC this is an int (4 bytes)
+/*
+ * error number layout as follows (see mach/error.h and IOKit/IOReturn.h):
+ *
+ * hi lo
+ * | system(6) | subsystem(12) | code(14) |
+ */
+
+ io_iterator_t intfIterator;
+ UInt8 MACAddress[ kIOEthernetAddressSize ];
+
+ kernResult = FindEthernetInterfaces(&intfIterator);
+
+ if (KERN_SUCCESS != kernResult)
+ {
+ printf("FindEthernetInterfaces returned 0x%08x\n", kernResult);
+ }
+ else {
+ kernResult = GetMACAddress_MAC(intfIterator, MACAddress);
+
+ if (KERN_SUCCESS != kernResult)
+ {
+ printf("GetMACAddress returned 0x%08x\n", kernResult);
+ }
+ }
+
+ (void) IOObjectRelease(intfIterator); // Release the iterator.
+
+ memcpy(addr, MACAddress, kIOEthernetAddressSize);
+ return kernResult;
+#endif //APPLE
+
+/* Not implemented platforms */
+ memset(addr,0,6);
+ return -1;
+}
+
+std::string Util::GetMACAddress()
+{
+ // This is a rip from: http://cplus.kompf.de/macaddr.html for Linux, HPUX and AIX
+ // and http://tangentsoft.net/wskfaq/examples/src/snmpmac.cpp for windows version
+ // and http://groups-beta.google.com/group/sol.lists.freebsd.hackers/msg/0d0f862e05fce6c0 for the FreeBSD version
+ // and http://developer.apple.com/samplecode/GetPrimaryMACAddress/GetPrimaryMACAddress.html for MacOSX version
+ long stat;
+ u_char addr[6];
+ std::string macaddr;
+
+ stat = GetMacAddrSys( addr);
+ if (0 == stat)
+ {
+ //printf( "MAC address = ");
+ for (int i=0; i<6; ++i)
+ {
+ //printf("%2.2x", addr[i]);
+ macaddr += Format("%2.2x", addr[i]);
+ }
+ // printf( "\n");
+ return macaddr;
+ }
+ else
+ {
+ //printf( "No MAC address !\n" );
+ return "";
+ }
+}
+
+/**
+ * \ingroup Util
+ * \brief Return the IP adress of the machine writting the DICOM image
+ */
+std::string Util::GetIPAddress()
+{
+ // This is a rip from http://www.codeguru.com/Cpp/I-N/internet/network/article.php/c3445/
+#ifndef HOST_NAME_MAX
+ // SUSv2 guarantees that `Host names are limited to 255 bytes'.
+ // POSIX 1003.1-2001 guarantees that `Host names (not including the
+ // terminating NUL) are limited to HOST_NAME_MAX bytes'.
+# define HOST_NAME_MAX 255
+ // In this case we should maybe check the string was not truncated.
+ // But I don't known how to check that...
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+ // with WinSock DLL we need to initialise the WinSock before using gethostname
+ WORD wVersionRequested = MAKEWORD(1,0);
+ WSADATA WSAData;
+ int err = WSAStartup(wVersionRequested,&WSAData);
+ if (err != 0) {
+ /* Tell the user that we could not find a usable */
+ /* WinSock DLL. */
+ WSACleanup();
+ return "127.0.0.1";
+ }
+#endif
+
+#endif //HOST_NAME_MAX
+
+ std::string str;
+ char szHostName[HOST_NAME_MAX+1];
+ int r = gethostname(szHostName, HOST_NAME_MAX);
+
+ if( r == 0 )
+ {
+ // Get host adresses
+ struct hostent *pHost = gethostbyname(szHostName);
+
+ for( int i = 0; pHost!= NULL && pHost->h_addr_list[i]!= NULL; i++ )
+ {
+ for( int j = 0; j<pHost->h_length; j++ )
+ {
+ if( j > 0 ) str += ".";
+
+ str += Util::Format("%u",
+ (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]);
+ }
+ // str now contains one local IP address
+
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+ WSACleanup();
+#endif
+
+ }
+ }
+ // If an error occur r == -1
+ // Most of the time it will return 127.0.0.1...
+ return str;
+}
+
+/**
+ * \ingroup Util
+ * \brief Creates a new UID. As stipulate in the DICOM ref
+ * each time a DICOM image is create it should have
+ * a unique identifier (URI)
+ */
+std::string Util::CreateUniqueUID(const std::string &root)
+{
+ // The code works as follow:
+ // echo "gdcm" | od -b
+ // 0000000 147 144 143 155 012
+ // Therefore we return
+ // radical + 147.144.143.155 + IP + time()
+ std::string radical = root;
+ if( !root.size() ) //anything better ?
+ {
+ radical = "0.0."; // Is this really usefull ?
+ }
+ // else
+ // A root was specified use it to forge our new UID:
+ radical += "147.144.143.155"; // gdcm
+ radical += ".";
+ radical += Util::GetIPAddress();
+ radical += ".";
+ radical += Util::GetCurrentDate();
+ radical += ".";
+ radical += Util::GetCurrentTime();
+
+ return radical;
+}
+
+template <class T>
+std::ostream &binary_write(std::ostream &os, const T &val)
+{
+ return os.write(reinterpret_cast<const char*>(&val), sizeof val);
+}
+
+std::ostream &binary_write(std::ostream &os, const uint16_t &val)
+{
+#ifdef GDCM_WORDS_BIGENDIAN
+ uint16_t swap;
+ swap = ((( val << 8 ) & 0x0ff00 ) | (( val >> 8 ) & 0x00ff ) );
+ return os.write(reinterpret_cast<const char*>(&swap), 2);
+#else
+ return os.write(reinterpret_cast<const char*>(&val), 2);
+#endif //GDCM_WORDS_BIGENDIAN