Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/01/17 17:26:55 $
- Version: $Revision: 1.106 $
+ Date: $Date: 2005/01/21 16:06:21 $
+ Version: $Revision: 1.114 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include <sys/types.h>
#include <sys/stat.h>
+#ifdef _MSC_VER
+#include <sys/timeb.h>
+#else
+#include <sys/time.h>
+#endif
+
#include <stdarg.h> //only included in implementation file
#include <stdio.h> //only included in implementation file
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) || defined(__MINGW32__)
#include <winsock.h> // for gethostname & gethostbyname
#undef GetCurrentTime
#else
#include <sys/types.h>
#endif
-// How do I do that in CMake ?
-#ifdef __APPLE__
- #define HAVE_SA_LEN
-#endif //APPLE
-
#ifdef CMAKE_HAVE_SYS_IOCTL_H
#include <sys/ioctl.h> // For SIOCGIFCONF on Linux
#endif
#include <net/if_dl.h>
#endif
#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
- // This is absolutely necesseray on SunOS
+ // This is absolutely necessary on SunOS
#include <net/if_arp.h>
#endif
+// For GetCurrentThreadID()
+#ifdef __linux__
+#include <sys/types.h>
+#include <linux/unistd.h>
+#endif
+#ifdef __sun
+#include <thread.h>
+#endif
+
namespace gdcm
{
/**
- * \ingroup Globals
* \brief Provide a better 'c++' approach for sprintf
* For example c code is:
* sprintf(trash, "%04x|%04x", group , elem);
/**
- * \ingroup Globals
* \brief Because not available in C++ (?)
*/
void Util::Tokenize (const std::string &str,
}
/**
- * \ingroup Globals
* \brief Because not available in C++ (?)
* Counts the number of occurences of a substring within a string
*/
}
/**
- * \ingroup Globals
* \brief Weed out a string from the non-printable characters (in order
* to avoid corrupting the terminal of invocation when printing)
* @param s string to remove non printable characters from
}
/**
- * \ingroup Globals
* \brief Add a SEPARATOR to the end of the name is necessary
* @param pathname file/directory name to normalize
*/
}
/**
- * \ingroup Globals
* \brief Get the (directory) path from a full path file name
* @param fullName file/directory name to extract Path from
*/
}
/**
- * \ingroup Util
* \brief Get the (last) name of a full path file name
* @param fullName file/directory name to extract end name from
*/
}
/**
- * \ingroup Util
* \brief Get the current date of the system in a dicom string
*/
std::string Util::GetCurrentDate()
}
/**
- * \ingroup Util
* \brief Get the current time of the system in a dicom string
*/
std::string Util::GetCurrentTime()
return tmp;
}
+/**
+ * \brief Get both the date and time at the same time to avoid problem
+ * around midnight where two call could be before and after midnight
+ */
+std::string Util::GetCurrentDateTime()
+{
+ char tmp[40];
+ long milliseconds;
+ time_t *timep;
+
+ // We need implementation specific functions to obtain millisecond precision
+#ifdef _MSC_VER
+ struct timeb tb;
+ ::ftime(&tb);
+ timep = &tb.time;
+ milliseconds = tb.millitm;
+#else
+ struct timeval tv;
+ gettimeofday (&tv, NULL);
+ timep = &tv.tv_sec;
+ // Compute milliseconds from microseconds.
+ milliseconds = tv.tv_usec / 1000;
+#endif
+ // Obtain the time of day, and convert it to a tm struct.
+ struct tm *ptm = localtime (timep);
+ // Format the date and time, down to a single second.
+ strftime (tmp, sizeof (tmp), "%Y%m%d.%H%M%S", ptm);
+
+ // Add milliseconds
+ std::string r = tmp;
+ r += Format("%03ld", milliseconds);
+
+ return r;
+}
+
/**
* \brief Create a /DICOM/ string:
* It should a of even length (no odd length ever)
}
/**
- * \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
}
/**
- * \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
/**
- * \ingroup Util
* \brief tells us if the processor we are working with is BigEndian or not
*/
bool Util::IsCurrentProcessorBigEndian()
#ifdef __sun
//The POSIX version is broken anyway on Solaris, plus would require full
//root power
- int i;
struct arpreq parpreq;
- struct sockaddr_in sa, *psa;
- struct in_addr inaddr;
+ struct sockaddr_in *psa;
struct hostent *phost;
char hostname[MAXHOSTNAMELEN];
- unsigned char *ptr;
char **paddrs;
int sock, status=0;
char buf[1024];
int n, i;
unsigned char *a;
-#ifdef AF_LINK
+#if defined(AF_LINK) && (!defined(SIOCGIFHWADDR) && !defined(SIOCGENADDR))
struct sockaddr_dl *sdlp;
#endif
#endif //__sun
}
+/**
+ * \brief Gets the M.A.C. adress of the machine writting the DICOM image
+ */
std::string Util::GetMACAddress()
{
// This code is the result of a long internet search to find something
{
for (int i=0; i<6; ++i)
{
- macaddr += Format("%2.2x", addr[i]);
- //if(i) macaddr += ".";
- //macaddr += Format("%i", (int)addr[i]);
+ //macaddr += Format("%2.2x", addr[i]);
+ if(i) macaddr += ".";
+ macaddr += Format("%i", (int)addr[i]);
}
return macaddr;
}
}
/**
- * \ingroup Util
* \brief Return the IP adress of the machine writting the DICOM image
*/
std::string Util::GetIPAddress()
# 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
+#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);
}
// str now contains one local IP address
-#if defined(_MSC_VER) || defined(__BORLANDC__)
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
WSACleanup();
#endif
}
/**
- * \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)
+ * @param root is the DICOM prefix assigned by IOS group
+ * @param is a string you want to append to the UID.
*/
std::string Util::CreateUniqueUID(const std::string &root)
{
- std::string radical = root;
- if( !root.size() )
+ std::string prefix = root;
+ std::string append;
+ if( root.empty() )
{
// No root was specified use "GDCM" then
// echo "gdcm" | od -b
// 0000000 147 144 143 155 012
- radical = "147.144.143.155"; // special easter egg
+ prefix = "147.144.143.155"; // special easter egg
}
// else
// A root was specified use it to forge our new UID:
- radical += Util::GetMACAddress();
- radical += ".";
- radical += Util::GetCurrentDate();
- radical += ".";
- radical += Util::GetCurrentTime();
+ append += ".";
+ append += Util::GetMACAddress();
+ append += ".";
+ //append += Util::GetCurrentDate();
+ //append += ".";
+ //append += Util::GetCurrentTime();
+ append += Util::GetCurrentDateTime();
+
+ // If append is too long we need to rehash it
+ if( (prefix + append).size() > 64 )
+ {
+ gdcmErrorMacro( "Size of UID is too long." );
+ // we need a hash function to truncate this number
+ // if only md5 was cross plateform
+ // MD5(append);
+ }
+
+ return prefix + append;
+}
+
+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();
+#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
- return radical;
}
+/**
+ * \brief
+ * @param os ostream to write to
+ * @param val val
+ */
template <class T>
std::ostream &binary_write(std::ostream &os, const T &val)
{
return os.write(reinterpret_cast<const char*>(&val), sizeof val);
}
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
std::ostream &binary_write(std::ostream &os, const uint16_t &val)
{
#ifdef GDCM_WORDS_BIGENDIAN
#endif //GDCM_WORDS_BIGENDIAN
}
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
std::ostream &binary_write(std::ostream &os, const uint32_t &val)
{
#ifdef GDCM_WORDS_BIGENDIAN
#endif //GDCM_WORDS_BIGENDIAN
}
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
std::ostream &binary_write(std::ostream &os, const char *val)
{
return os.write(val, strlen(val));
}
+/**
+ * \brief
+ * @param os ostream to write to
+ * @param val val
+ */
std::ostream &binary_write(std::ostream &os, std::string const &val)
{
return os.write(val.c_str(), val.size());