Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/01/17 16:41:18 $
- Version: $Revision: 1.103 $
+ Date: $Date: 2005/01/23 10:12:34 $
+ Version: $Revision: 1.122 $
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>
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+#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
- #define CMAKE_HAVE_NET_IF_DL_H
- #define CMAKE_HAVE_NETINET_IN_H
- #define CMAKE_HAVE_NET_IF_H
-#endif //APPLE
-
#ifdef CMAKE_HAVE_SYS_IOCTL_H
#include <sys/ioctl.h> // For SIOCGIFCONF on Linux
#endif
#ifdef CMAKE_HAVE_NET_IF_DL_H
#include <net/if_dl.h>
#endif
-#ifdef __sun
- //#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
- // This is absolutely necesseray on SunOS
+#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
+ // 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
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__MINGW32__)
+ 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 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.
* This function is similar to DicomString(const char*),
- * except it doesn't take a lenght.
+ * except it doesn't take a length.
* It only pad with a null character if length is odd
*/
std::string Util::DicomString(const char *s)
}
/**
- * \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
+ * - Both string should be of even length
+ * - We allow padding of even length string by either a null
* character of a space
*/
bool Util::DicomStringEqual(const std::string &s1, const char *s2)
return s1_even == s2_even;
}
-
-
/**
- * \ingroup Util
* \brief tells us if the processor we are working with is BigEndian or not
*/
bool Util::IsCurrentProcessorBigEndian()
AsnObjectIdentifier MIB_NULL = { 0, 0 };
int ret;
int dtmp;
- int i = 0, j = 0;
- BOOL found = FALSE;
+ int j = 0;
// Load the SNMP dll and get the addresses of the functions necessary
HINSTANCE m_hInst = LoadLibrary("inetmib1.dll");
if (m_hInst < (HINSTANCE) HINSTANCE_ERROR)
{
- m_hInst = NULL;
return -1;
}
pSnmpExtensionInit m_Init =
(pSnmpExtensionInit) GetProcAddress(m_hInst, "SnmpExtensionInit");
- pSnmpExtensionInitEx m_InitEx =
- (pSnmpExtensionInitEx) GetProcAddress(m_hInst, "SnmpExtensionInitEx");
pSnmpExtensionQuery m_Query =
(pSnmpExtensionQuery) GetProcAddress(m_hInst, "SnmpExtensionQuery");
- pSnmpExtensionTrap m_Trap =
- (pSnmpExtensionTrap) GetProcAddress(m_hInst, "SnmpExtensionTrap");
m_Init(GetTickCount(), &PollForTrapEvent, &SupportedView);
/* Initialize the variable list to be retrieved by m_Query */
// Inteface table
varBindList.len = 1; // Only retrieving one item
SNMP_oidcpy(&varBind[0].name, &MIB_ifEntryNum);
- ret = m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
+ m_Query(ASN_RFC1157_GETNEXTREQUEST, &varBindList, &errorStatus,
&errorIndex);
- printf("# of adapters in this system : %i\n",
- varBind[0].value.asnValue.number); varBindList.len = 2;
+// 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);
{
j++;
dtmp = varBind[0].value.asnValue.number;
- std::cerr << "Interface #" << j << " type : " << dtmp << std::endl;
// Type 6 describes ethernet interfaces
if (dtmp == 6)
#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
}
close(sd);
#endif
+ // Not implemented platforms
+ perror("There was a configuration problem on your plateform");
+ memset(addr,0,6);
return -1;
#endif //__sun
}
+/**
+ * \brief Encode the mac address on a fixed lenght string of 15 characters.
+ * we save space this way.
+ */
std::string Util::GetMACAddress()
{
// This code is the result of a long internet search to find something
// 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];
- std::string macaddr;
+ uint64_t n = 0;
int stat = GetMacAddrSys(addr);
- if (0 == stat)
+ if (stat == 0)
{
- for (int i=0; i<6; ++i)
+ // Horner evaluation
+ for(int i=0; i<6; i++)
{
- macaddr += Format("%2.2x", addr[i]);
- //if(i) macaddr += ".";
- //macaddr += Format("%i", (int)addr[i]);
+ n *= 256;
+ n += addr[i];
}
- return macaddr;
+
+ // we fit on 15 bytes maximum < 256^6.
+#if defined(_MSC_VER) || defined(__BORLANDC__)
+ return Format("%I64u", n);
+#else
+ return Format("%llu", n);
+#endif
}
else
{
}
/**
- * \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::GetCurrentDateTime();
+
+ //Also add a mini random number just in case:
+ int r = (int) (100.0*rand()/RAND_MAX);
+ append += Format("%02d", r);
+
+ // 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 radical;
+ 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();
+#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
+ * @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());
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff