Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/01/27 10:06:33 $
- Version: $Revision: 1.124 $
+ Date: $Date: 2005/02/05 01:37:09 $
+ Version: $Revision: 1.132 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include <stdio.h> //only included in implementation file
#if defined(_MSC_VER) || defined(__MINGW32__)
- #include <winsock.h> // for gethostname & gethostbyname
+ #include <winsock.h> // for gethostname and gethostbyname
#undef GetCurrentTime
#else
#ifndef __BORLANDC__
// For GetCurrentThreadID()
#ifdef __linux__
-#include <sys/types.h>
-#include <linux/unistd.h>
+ #include <sys/types.h>
+ #include <linux/unistd.h>
#endif
#ifdef __sun
-#include <thread.h>
+ #include <thread.h>
#endif
namespace gdcm
{
+//-------------------------------------------------------------------------
+const std::string Util::GDCM_UID = "1.2.826.0.1.3680043.2.1143";
+std::string Util::RootUID = GDCM_UID;
+
+//-------------------------------------------------------------------------
+// Public
/**
* \brief Provide a better 'c++' approach for sprintf
* For example c code is:
* gdcm style code is
* Format("%04x|%04x", group , elem);
*/
-
std::string Util::Format(const char *format, ...)
{
char buffer[2048];
*/
void Util::Tokenize (const std::string &str,
std::vector<std::string> &tokens,
- const std::string& delimiters)
+ const std::string &delimiters)
{
std::string::size_type lastPos = str.find_first_not_of(delimiters,0);
std::string::size_type pos = str.find_first_of (delimiters,lastPos);
return r;
}
+unsigned int Util::GetCurrentThreadID()
+{
+// FIXME the implementation is far from complete
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+ return (unsigned int)GetCurrentThreadId();
+#endif
+#ifdef __linux__
+ return 0;
+ // Doesn't work on fedora, but is in the man page...
+ //return (unsigned int)gettid();
+#endif
+#ifdef __sun
+ return (unsigned int)thr_self();
+#else
+ //default implementation
+ return 0;
+#endif
+}
+
+unsigned int Util::GetCurrentProcessID()
+{
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+ // NOTE: There is also a _getpid()...
+ return (unsigned int)GetCurrentProcessId();
+#else
+ // get process identification, POSIX
+ return (unsigned int)getpid();
+#endif
+}
+
+/**
+ * \brief tells us if the processor we are working with is BigEndian or not
+ */
+bool Util::IsCurrentProcessorBigEndian()
+{
+#ifdef GDCM_WORDS_BIGENDIAN
+ return true;
+#else
+ return false;
+#endif
+}
+
/**
* \brief Create a /DICOM/ string:
* It should a of even length (no odd length ever)
return s1_even == s2_even;
}
-/**
- * \brief tells us if the processor we are working with is BigEndian or not
- */
-bool Util::IsCurrentProcessorBigEndian()
-{
-#ifdef GDCM_WORDS_BIGENDIAN
- return true;
-#else
- return false;
-#endif
-}
-
-
-
#ifdef _WIN32
-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);
+ 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);
#endif //_WIN32
// We should investiage the use of SIZEOF_ADDR_IFREQ
//
#ifdef HAVE_SA_LEN
-#ifndef max
-#define max(a,b) ((a) > (b) ? (a) : (b))
-#endif
-#define ifreq_size(i) max(sizeof(struct ifreq),\
- sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
+ #ifndef max
+ #define max(a,b) ((a) > (b) ? (a) : (b))
+ #endif
+ #define ifreq_size(i) max(sizeof(struct ifreq),\
+ sizeof((i).ifr_name)+(i).ifr_addr.sa_len)
#else
-#define ifreq_size(i) sizeof(struct ifreq)
+ #define ifreq_size(i) sizeof(struct ifreq)
#endif // HAVE_SA_LEN
if( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 )
#endif //__sun
}
+/**
+ * Mini function to return the last digit from a number express in base 256
+ * pre condition data contain an array of 6 unsigned char
+ * post condition carry contain the last digit
+ */
+inline int getlastdigit(unsigned char *data)
+{
+ int extended, carry = 0;
+ for(int i=0;i<6;i++)
+ {
+ extended = (carry << 8) + data[i];
+ data[i] = extended / 10;
+ carry = extended % 10;
+ }
+ return carry;
+}
+
/**
* \brief Encode the mac address on a fixed lenght string of 15 characters.
* we save space this way.
// http://groups-beta.google.com/group/comp.unix.solaris/msg/ad36929d783d63be
// http://bdn.borland.com/article/0,1410,26040,00.html
unsigned char addr[6];
- uint64_t n = 0;
-
+
int stat = GetMacAddrSys(addr);
if (stat == 0)
{
- // Horner evaluation
- for(int i=0; i<6; i++)
+ // We need to convert a 6 digit number from base 256 to base 10, using integer
+ // would requires a 48bits one. To avoid this we have to reimplement the div + modulo
+ // with string only
+ bool zero = false;
+ int res;
+ std::string sres;
+ while(!zero)
{
- n *= 256;
- n += addr[i];
+ res = getlastdigit(addr);
+ sres.insert(sres.begin(), '0' + res);
+ zero = (addr[0] == 0) && (addr[1] == 0) && (addr[2] == 0) && (addr[3] == 0) && (addr[4] == 0) && (addr[5] == 0);
}
- // we fit on 15 bytes maximum < 256^6.
-#if defined(_MSC_VER) || defined(__BORLANDC__)
- return Format("%I64u", n);
-#else
- return Format("%llu", n);
-#endif
+ return sres;
}
else
{
- gdcmVerboseMacro("Problem in finding the MAC Address");
+ gdcmWarningMacro("Problem in finding the MAC Address");
return "";
}
}
-/**
- * \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__) || defined(__MINGW32__)
- // with WinSock DLL we need to initialize 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__) || defined(__MINGW32__)
- WSACleanup();
-#endif
-
- }
- }
- // If an error occur r == -1
- // Most of the time it will return 127.0.0.1...
- return str;
-}
-
/**
* \brief Creates a new UID. As stipulate in the DICOM ref
* each time a DICOM image is create it should have
*/
std::string Util::CreateUniqueUID(const std::string &root)
{
- std::string prefix = root;
+ std::string prefix;
std::string append;
if( root.empty() )
{
- // No root was specified use "GDCM" then
- // echo "gdcm" | od -b
- // 0000000 147 144 143 155 012
- //prefix = "147.144.143.155"; // special easter egg
-
// gdcm UID prefix, as supplied by http://www.medicalconnections.co.uk
- prefix = "1.2.826.0.1.3680043.2.1143";
+ prefix = RootUID;
+ }
+ else
+ {
+ prefix = root;
}
- // else
+
// A root was specified use it to forge our new UID:
append += ".";
append += Util::GetMACAddress();
return prefix + append;
}
-unsigned int Util::GetCurrentThreadID()
+void Util::SetRootUID(const std::string &root)
{
-// FIXME the implementation is far from complete
-#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
- return (unsigned int)GetCurrentThreadId();
-#endif
-#ifdef __linux__
- return 0;
- // Doesn't work on fedora, but is in the man page...
- //return (unsigned int)gettid();
-#endif
-#ifdef __sun
- return (unsigned int)thr_self();
-#else
- //default implementation
- return 0;
-#endif
+ if( root.empty() )
+ RootUID = GDCM_UID;
+ else
+ RootUID = root;
}
-unsigned int Util::GetCurrentProcessID()
+const std::string &Util::GetRootUID()
{
-#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
- // NOTE: There is also a _getpid()...
- return (unsigned int)GetCurrentProcessId();
-#else
- // get process identification, POSIX
- return (unsigned int)getpid();
-#endif
-
+ return RootUID;
}
+//-------------------------------------------------------------------------
/**
* \brief
* @param os ostream to write to
{
#ifdef GDCM_WORDS_BIGENDIAN
uint16_t swap;
- swap = ((( val << 8 ) & 0x0ff00 ) | (( val >> 8 ) & 0x00ff ) );
+ swap = ((( val << 8 ) & 0xff00 ) | (( val >> 8 ) & 0x00ff ) );
return os.write(reinterpret_cast<const char*>(&swap), 2);
#else
return os.write(reinterpret_cast<const char*>(&val), 2);
return os.write(val.c_str(), val.size());
}
+//-------------------------------------------------------------------------
+// Protected
+
+//-------------------------------------------------------------------------
+// Private
+/**
+ * \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__) || defined(__MINGW32__)
+ // with WinSock DLL we need to initialize 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__) || defined(__MINGW32__)
+ WSACleanup();
+#endif
+
+ }
+ }
+ // If an error occur r == -1
+ // Most of the time it will return 127.0.0.1...
+ return str;
+}
+
+//-------------------------------------------------------------------------
} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff