Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2004/10/27 22:58:06 $
- Version: $Revision: 1.56 $
+ Date: $Date: 2005/01/06 20:03:28 $
+ Version: $Revision: 1.77 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmUtil.h"
#include "gdcmDebug.h"
+// For GetCurrentDate, GetCurrentTime
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
#include <stdarg.h> //only included in implementation file
#include <stdio.h> //only included in implementation file
+#if defined(_MSC_VER)
+ #include <winsock.h> // for gethostname & gethostbyname
+ #undef GetCurrentTime
+#else
+#ifndef __BORLANDC__
+ #include <unistd.h> // for gethostname
+ #include <netdb.h> // for gethostbyname
+#endif
+#endif
+
namespace gdcm
{
-
/**
* \ingroup Globals
* \brief Provide a better 'c++' approach for sprintf
* buf.str();
*/
-std::string Util::Format(const char* format, ...)
+std::string Util::Format(const char *format, ...)
{
char buffer[2048];
va_list args;
va_start(args, format);
vsprintf(buffer, format, args); //might be a security flaw
+ va_end(args); // Each invocation of va_start should be matched
+ // by a corresponding invocation of va_end
+ // args is then 'undefined'
return buffer;
}
* \ingroup Globals
* \brief Because not available in C++ (?)
*/
-void Util::Tokenize (const std::string& str,
- std::vector<std::string>& tokens,
+void Util::Tokenize (const std::string &str,
+ std::vector<std::string> &tokens,
const std::string& delimiters)
{
std::string::size_type lastPos = str.find_first_not_of(delimiters,0);
* Counts the number of occurences of a substring within a string
*/
-int Util::CountSubstring (const std::string& str,
- const std::string& subStr)
+int Util::CountSubstring (const std::string &str,
+ const std::string &subStr)
{
int count = 0; // counts how many times it appears
- unsigned int x = 0; // The index position in the string
+ std::string::size_type x = 0; // The index position in the string
do
{
* to avoid corrupting the terminal of invocation when printing)
* @param s string to remove non printable characters from
*/
-std::string Util::CreateCleanString(std::string const & s)
+std::string Util::CreateCleanString(std::string const &s)
{
std::string str = s;
- for(unsigned int i=0;i<str.size();i++)
+ for(unsigned int i=0; i<str.size(); i++)
{
- if(!isprint(str[i]))
+ if(!isprint((unsigned char)str[i]))
{
- str[i]='.';
+ str[i] = '.';
}
}
- if(str.size()>0)
+ if(str.size() > 0)
{
- if(!isprint(s[str.size()-1]))
+ if(!isprint((unsigned char)s[str.size()-1]))
{
- if(s[str.size()-1]==0)
+ if(s[str.size()-1] == 0)
{
- str[str.size()-1]=' ';
+ str[str.size()-1] = ' ';
}
}
}
/**
* \ingroup Globals
* \brief Add a SEPARATOR to the end of the name is necessary
- * @param name file/directory name to normalize
+ * @param pathname file/directory name to normalize
*/
-std::string Util::NormalizePath(std::string const & pathname)
+std::string Util::NormalizePath(std::string const &pathname)
{
const char SEPARATOR_X = '/';
const char SEPARATOR_WIN = '\\';
* \brief Get the (directory) path from a full path file name
* @param fullName file/directory name to extract Path from
*/
-std::string Util::GetPath(std::string const & fullName)
+std::string Util::GetPath(std::string const &fullName)
{
std::string res = fullName;
int pos1 = res.rfind("/");
}
/**
- * \ingroup Globals
+ * \ingroup Util
* \brief Get the (last) name of a full path file name
* @param fullName file/directory name to extract end name from
*/
-std::string Util::GetName(std::string const & fullName)
+std::string Util::GetName(std::string const &fullName)
{
std::string filename = fullName;
}
}
+/**
+ * \ingroup Util
+ * \brief Get the current date of the system in a dicom string
+ */
+std::string Util::GetCurrentDate()
+{
+ char tmp[512];
+ time_t tloc;
+ time (&tloc);
+ strftime(tmp,512,"%Y%m%d", localtime(&tloc) );
+ return tmp;
+}
+
+/**
+ * \ingroup Util
+ * \brief Get the current time of the system in a dicom string
+ */
+std::string Util::GetCurrentTime()
+{
+ char tmp[512];
+ time_t tloc;
+ time (&tloc);
+ strftime(tmp,512,"%H%M%S", localtime(&tloc) );
+ return tmp;
+}
+
+/**
+ * \brief Create a /DICOM/ string:
+ * It should a of even length (no odd length ever)
+ * It can contain as many (if you are reading this from your
+ * editor the following character is is backslash followed by zero
+ * that needed to be escaped with an extra backslash for doxygen) \\0
+ * as you want.
+ */
+std::string Util::DicomString(const char *s, size_t l)
+{
+ std::string r(s, s+l);
+ assert( !(r.size() % 2) ); // == basically 'l' is even
+ return r;
+}
+
+/**
+ * \ingroup Util
+ * \brief Create a /DICOM/ string:
+ * It should a of even lenght (no odd length ever)
+ * It can contain as many (if you are reading this from your
+ * editor the following character is is backslash followed by zero
+ * that needed to be escaped with an extra backslash for doxygen) \\0
+ * as you want.
+ * This function is similar to DicomString(const char*),
+ * except it doesn't take a lenght.
+ * It only pad with a null character if length is odd
+ */
+std::string Util::DicomString(const char *s)
+{
+ size_t l = strlen(s);
+ if( l%2 )
+ {
+ l++;
+ }
+ std::string r(s, s+l);
+ assert( !(r.size() % 2) );
+ return r;
+}
+
+/**
+ * \ingroup Util
+ * \brief Safely compare two Dicom String:
+ * - Both string should be of even lenght
+ * - We allow padding of even lenght string by either a null
+ * character of a space
+ */
+bool Util::DicomStringEqual(const std::string &s1, const char *s2)
+{
+ // s2 is the string from the DICOM reference: 'MONOCHROME1'
+ std::string s1_even = s1; //Never change input parameter
+ std::string s2_even = DicomString( s2 );
+ if( s1_even[s1_even.size()-1] == ' ')
+ {
+ s1_even[s1_even.size()-1] = '\0'; //replace space character by null
+ }
+ return s1_even == s2_even;
+}
+
+
+
+/**
+ * \ingroup Util
+ * \brief tells us if the processor we are working with is BigEndian or not
+ */
+bool Util::IsCurrentProcessorBigEndian()
+{
+ uint16_t intVal = 1;
+ uint8_t bigEndianRepr[4] = { 0x00, 0x00, 0x00, 0x01 };
+ int res = memcmp(reinterpret_cast<const void*>(&intVal),
+ reinterpret_cast<const void*>(bigEndianRepr), 4);
+ if (res == 0)
+ return true;
+ else
+ return false;
+}
+
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef _WIN32
+#include <snmp.h>
+#include <conio.h>
+#include <stdio.h>
+typedef BOOL(WINAPI * pSnmpExtensionInit) (
+ IN DWORD dwTimeZeroReference,
+ OUT HANDLE * hPollForTrapEvent,
+ OUT AsnObjectIdentifier * supportedView);
+
+typedef BOOL(WINAPI * pSnmpExtensionTrap) (
+ OUT AsnObjectIdentifier * enterprise,
+ OUT AsnInteger * genericTrap,
+ OUT AsnInteger * specificTrap,
+ OUT AsnTimeticks * timeStamp,
+ OUT RFC1157VarBindList * variableBindings);
+
+typedef BOOL(WINAPI * pSnmpExtensionQuery) (
+ IN BYTE requestType,
+ IN OUT RFC1157VarBindList * variableBindings,
+ OUT AsnInteger * errorStatus,
+ OUT AsnInteger * errorIndex);
+
+typedef BOOL(WINAPI * pSnmpExtensionInitEx) (
+ OUT AsnObjectIdentifier * supportedView);
+#else
+#include <strings.h> //for bzero on unix
+#endif //_WIN32
+
+#ifdef __linux__
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <linux/if.h>
+#endif
+
+#ifdef __HP_aCC
+#include <netio.h>
+#endif
+
+#ifdef _AIX
+#include <sys/ndd_var.h>
+#include <sys/kinfo.h>
+#endif
+
+long GetMacAddrSys ( u_char *addr)
+{
+#ifdef _WIN32
+ WSADATA WinsockData;
+ if (WSAStartup(MAKEWORD(2, 0), &WinsockData) != 0) {
+ fprintf(stderr, "This program requires Winsock 2.x!\n");
+ return -1;
+ }
+
+ HINSTANCE m_hInst;
+ pSnmpExtensionInit m_Init;
+ pSnmpExtensionInitEx m_InitEx;
+ pSnmpExtensionQuery m_Query;
+ pSnmpExtensionTrap m_Trap;
+ HANDLE PollForTrapEvent;
+ AsnObjectIdentifier SupportedView;
+ UINT OID_ifEntryType[] = {
+ 1, 3, 6, 1, 2, 1, 2, 2, 1, 3
+ };
+ UINT OID_ifEntryNum[] = {
+ 1, 3, 6, 1, 2, 1, 2, 1
+ };
+ UINT OID_ipMACEntAddr[] = {
+ 1, 3, 6, 1, 2, 1, 2, 2, 1, 6
+ }; //, 1 ,6 };
+ AsnObjectIdentifier MIB_ifMACEntAddr =
+ { sizeof(OID_ipMACEntAddr) / sizeof(UINT), OID_ipMACEntAddr };
+ AsnObjectIdentifier MIB_ifEntryType = {
+ sizeof(OID_ifEntryType) / sizeof(UINT), OID_ifEntryType
+ };
+ AsnObjectIdentifier MIB_ifEntryNum = {
+ sizeof(OID_ifEntryNum) / sizeof(UINT), OID_ifEntryNum
+ };
+ RFC1157VarBindList varBindList;
+ RFC1157VarBind varBind[2];
+ AsnInteger errorStatus;
+ AsnInteger errorIndex;
+ AsnObjectIdentifier MIB_NULL = {
+ 0, 0
+ };
+ int ret;
+ int dtmp;
+ int i = 0, j = 0;
+ BOOL found = FALSE;
+ char TempEthernet[13];
+ m_Init = NULL;
+ m_InitEx = NULL;
+ m_Query = NULL;
+ m_Trap = NULL;
+
+ /* Load the SNMP dll and get the addresses of the functions
+ necessary */
+ m_hInst = LoadLibrary("inetmib1.dll");
+ if (m_hInst < (HINSTANCE) HINSTANCE_ERROR) {
+ m_hInst = NULL;
+ return -1;
+ }
+ 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]);
+ printf("MAC Address of interface #%i: %s\n", j, TempEthernet);
+ }
+ }
+ }
+ } 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 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
+
+/* Not implemented platforms */
+ 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
+ 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
+}
+
+std::ostream &binary_write(std::ostream &os, const uint32_t &val)
+{
+#ifdef GDCM_WORDS_BIGENDIAN
+ uint32_t swap;
+ swap = ( ((val<<24) & 0xff000000) | ((val<<8) & 0x00ff0000) |
+ ((val>>8) & 0x0000ff00) | ((val>>24) & 0x000000ff) );
+ return os.write(reinterpret_cast<const char*>(&swap), 4);
+#else
+ return os.write(reinterpret_cast<const char*>(&val), 4);
+#endif //GDCM_WORDS_BIGENDIAN
+}
+
+std::ostream &binary_write(std::ostream &os, const char *val)
+{
+ return os.write(val, strlen(val));
+}
+
+std::ostream &binary_write(std::ostream &os, std::string const &val)
+{
+ return os.write(val.c_str(), val.size());
+}
+
} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff