Program: gdcm
Module: $RCSfile: gdcmUtil.cxx,v $
Language: C++
- Date: $Date: 2005/01/10 22:54:34 $
- Version: $Revision: 1.88 $
+ Date: $Date: 2005/02/11 19:09:30 $
+ Version: $Revision: 1.136 $
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)
- #include <winsock.h> // for gethostname & gethostbyname
+#if defined(_MSC_VER) || defined(__MINGW32__)
+ #include <winsock.h> // for gethostname and gethostbyname
#undef GetCurrentTime
#else
#ifndef __BORLANDC__
#endif
// For GetMACAddress
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-
#ifdef _WIN32
-#include <snmp.h>
-#include <conio.h>
+ #include <snmp.h>
+ #include <conio.h>
#else
-#include <strings.h> //for bzero on unix
+ #include <unistd.h>
+ #include <stdlib.h>
+ #include <string.h>
+ #include <sys/types.h>
#endif
-#ifdef __linux__
-#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <linux/if.h>
+#ifdef CMAKE_HAVE_SYS_IOCTL_H
+ #include <sys/ioctl.h> // For SIOCGIFCONF on Linux
#endif
-
-#ifdef __FreeBSD__
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <ifaddrs.h>
-#include <net/if_dl.h>
+#ifdef CMAKE_HAVE_SYS_SOCKET_H
+ #include <sys/socket.h>
#endif
-
-#ifdef __HP_aCC
-#include <netio.h>
+#ifdef CMAKE_HAVE_SYS_SOCKIO_H
+ #include <sys/sockio.h> // For SIOCGIFCONF on SunOS
#endif
-
-#ifdef _AIX
-#include <sys/ndd_var.h>
-#include <sys/kinfo.h>
+#ifdef CMAKE_HAVE_NET_IF_H
+ #include <net/if.h>
+#endif
+#ifdef CMAKE_HAVE_NETINET_IN_H
+ #include <netinet/in.h> //For IPPROTO_IP
+#endif
+#ifdef CMAKE_HAVE_NET_IF_DL_H
+ #include <net/if_dl.h>
+#endif
+#if defined(CMAKE_HAVE_NET_IF_ARP_H) && defined(__sun)
+ // This is absolutely necessary on SunOS
+ #include <net/if_arp.h>
#endif
-#ifdef __APPLE__
-#include <CoreFoundation/CoreFoundation.h>
-#include <IOKit/IOKitLib.h>
-#include <IOKit/network/IOEthernetInterface.h>
-#include <IOKit/network/IONetworkInterface.h>
-#include <IOKit/network/IOEthernetController.h>
-#endif //__APPLE__
-// End For GetMACAddress
+// For GetCurrentThreadID()
+#ifdef __linux__
+ #include <sys/types.h>
+ #include <linux/unistd.h>
+#endif
+#ifdef __sun
+ #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
/**
- * \ingroup Globals
* \brief Provide a better 'c++' approach for sprintf
* For example c code is:
* sprintf(trash, "%04x|%04x", group , elem);
* gdcm style code is
* Format("%04x|%04x", group , elem);
*/
-
std::string Util::Format(const char *format, ...)
{
char buffer[2048];
/**
- * \ingroup Globals
* \brief Because not available in C++ (?)
*/
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);
}
/**
- * \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;
+}
+
+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)
}
/**
- * \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()
-{
- 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;
-}
-
-
-
#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
-
-#ifdef __APPLE__
-// Returns an iterator containing the primary (built-in) Ethernet interface. The caller is responsible for
-// releasing the iterator after the caller is done with it.
-static kern_return_t FindEthernetInterfaces(io_iterator_t *matchingServices)
-{
- kern_return_t kernResult;
- mach_port_t masterPort;
- CFMutableDictionaryRef matchingDict;
- CFMutableDictionaryRef propertyMatchDict;
-
- // Retrieve the Mach port used to initiate communication with I/O Kit
- kernResult = IOMasterPort(MACH_PORT_NULL, &masterPort);
- if (KERN_SUCCESS != kernResult)
- {
- printf("IOMasterPort returned %d\n", kernResult);
- return kernResult;
- }
-
- // Ethernet interfaces are instances of class kIOEthernetInterfaceClass.
- // IOServiceMatching is a convenience function to create a dictionary with the key kIOProviderClassKey and
- // the specified value.
- matchingDict = IOServiceMatching(kIOEthernetInterfaceClass);
-
- // Note that another option here would be:
- // matchingDict = IOBSDMatching("en0");
-
- if (NULL == matchingDict)
- {
- printf("IOServiceMatching returned a NULL dictionary.\n");
- }
- else {
- // Each IONetworkInterface object has a Boolean property with the key kIOPrimaryInterface. Only the
- // primary (built-in) interface has this property set to TRUE.
-
- // IOServiceGetMatchingServices uses the default matching criteria defined by IOService. This considers
- // only the following properties plus any family-specific matching in this order of precedence
- // (see IOService::passiveMatch):
- //
- // kIOProviderClassKey (IOServiceMatching)
- // kIONameMatchKey (IOServiceNameMatching)
- // kIOPropertyMatchKey
- // kIOPathMatchKey
- // kIOMatchedServiceCountKey
- // family-specific matching
- // kIOBSDNameKey (IOBSDNameMatching)
- // kIOLocationMatchKey
-
- // The IONetworkingFamily does not define any family-specific matching. This means that in
- // order to have IOServiceGetMatchingServices consider the kIOPrimaryInterface property, we must
- // add that property to a separate dictionary and then add that to our matching dictionary
- // specifying kIOPropertyMatchKey.
-
- propertyMatchDict = CFDictionaryCreateMutable( kCFAllocatorDefault, 0,
- &kCFTypeDictionaryKeyCallBacks,
- &kCFTypeDictionaryValueCallBacks);
-
- if (NULL == propertyMatchDict)
- {
- printf("CFDictionaryCreateMutable returned a NULL dictionary.\n");
- }
- else {
- // Set the value in the dictionary of the property with the given key, or add the key
- // to the dictionary if it doesn't exist. This call retains the value object passed in.
- CFDictionarySetValue(propertyMatchDict, CFSTR(kIOPrimaryInterface), kCFBooleanTrue);
-
- // Now add the dictionary containing the matching value for kIOPrimaryInterface to our main
- // matching dictionary. This call will retain propertyMatchDict, so we can release our reference
- // on propertyMatchDict after adding it to matchingDict.
- CFDictionarySetValue(matchingDict, CFSTR(kIOPropertyMatchKey), propertyMatchDict);
- CFRelease(propertyMatchDict);
- }
- }
-
- // IOServiceGetMatchingServices retains the returned iterator, so release the iterator when we're done with it.
- // IOServiceGetMatchingServices also consumes a reference on the matching dictionary so we don't need to release
- // the dictionary explicitly.
- kernResult = IOServiceGetMatchingServices(masterPort, matchingDict, matchingServices);
- if (KERN_SUCCESS != kernResult)
- {
- printf("IOServiceGetMatchingServices returned %d\n", kernResult);
- }
-
- return kernResult;
-}
-
-// Given an iterator across a set of Ethernet interfaces, return the MAC address of the last one.
-// If no interfaces are found the MAC address is set to an empty string.
-// In this sample the iterator should contain just the primary interface.
-static kern_return_t GetMACAddress_MAC(io_iterator_t intfIterator, UInt8 *MACAddress)
-{
- io_object_t intfService;
- io_object_t controllerService;
- kern_return_t kernResult = KERN_FAILURE;
-
- // Initialize the returned address
- bzero(MACAddress, kIOEthernetAddressSize);
-
- // IOIteratorNext retains the returned object, so release it when we're done with it.
- while ( (intfService = IOIteratorNext(intfIterator)))
- {
- CFTypeRef MACAddressAsCFData;
-
- // IONetworkControllers can't be found directly by the IOServiceGetMatchingServices call,
- // since they are hardware nubs and do not participate in driver matching. In other words,
- // registerService() is never called on them. So we've found the IONetworkInterface and will
- // get its parent controller by asking for it specifically.
-
- // IORegistryEntryGetParentEntry retains the returned object, so release it when we're done with it.
- kernResult = IORegistryEntryGetParentEntry( intfService,
- kIOServicePlane,
- &controllerService );
-
- if (KERN_SUCCESS != kernResult)
- {
- printf("IORegistryEntryGetParentEntry returned 0x%08x\n", kernResult);
- }
- else {
- // Retrieve the MAC address property from the I/O Registry in the form of a CFData
- MACAddressAsCFData = IORegistryEntryCreateCFProperty( controllerService,
- CFSTR(kIOMACAddress),
- kCFAllocatorDefault,
- 0);
- if (MACAddressAsCFData)
- {
- CFShow(MACAddressAsCFData); // for display purposes only; output goes to stderr
-
- // Get the raw bytes of the MAC address from the CFData
- CFDataGetBytes(MACAddressAsCFData, CFRangeMake(0, kIOEthernetAddressSize), MACAddress);
- CFRelease(MACAddressAsCFData);
- }
-
- // Done with the parent Ethernet controller object so we release it.
- (void) IOObjectRelease(controllerService);
- }
-
- // Done with the Ethernet interface object so we release it.
- (void) IOObjectRelease(intfService);
- }
-
- return kernResult;
-}
-#endif
-
-long GetMacAddrSys ( u_char *addr)
+/// \brief gets current M.A.C adress (for internal use only)
+int GetMacAddrSys ( unsigned char *addr )
{
#ifdef _WIN32
WSADATA WinsockData;
- if (WSAStartup(MAKEWORD(2, 0), &WinsockData) != 0) {
- fprintf(stderr, "This program requires Winsock 2.x!\n");
- return -1;
+ if (WSAStartup(MAKEWORD(2, 0), &WinsockData) != 0)
+ {
+ std::cerr << "This program requires Winsock 2.x!" << std::endl;
+ 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 };
+ 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 };
+ AsnObjectIdentifier MIB_ifMACEntAddr = {
+ sizeof(OID_ipMACEntAddr) / sizeof(UINT), OID_ipMACEntAddr };
AsnObjectIdentifier MIB_ifEntryType = {
- sizeof(OID_ifEntryType) / sizeof(UINT), OID_ifEntryType
- };
+ sizeof(OID_ifEntryType) / sizeof(UINT), OID_ifEntryType };
AsnObjectIdentifier MIB_ifEntryNum = {
- sizeof(OID_ifEntryNum) / sizeof(UINT), OID_ifEntryNum
- };
+ sizeof(OID_ifEntryNum) / sizeof(UINT), OID_ifEntryNum };
RFC1157VarBindList varBindList;
RFC1157VarBind varBind[2];
AsnInteger errorStatus;
AsnInteger errorIndex;
- AsnObjectIdentifier MIB_NULL = {
- 0, 0
- };
+ AsnObjectIdentifier MIB_NULL = { 0, 0 };
int ret;
int dtmp;
- int i = 0, j = 0;
- BOOL found = FALSE;
- 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;
+ 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)
+ {
+ return -1;
}
- m_Init =
+ pSnmpExtensionInit 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");
+ pSnmpExtensionQuery m_Query =
+ (pSnmpExtensionQuery) GetProcAddress(m_hInst, "SnmpExtensionQuery");
m_Init(GetTickCount(), &PollForTrapEvent, &SupportedView);
/* Initialize the variable list to be retrieved by m_Query */
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 */
+ // 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;
+ 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 */
+ // 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 */
+ // 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 */
+ 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;
+
+ // 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
+ std::cerr << "Interface #" << j << " is a DUN adapter\n";
+ 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
+ std::cerr << "Interface #" << j << " is a NULL address\n";
+ continue;
+ }
+ memcpy( addr, varBind[1].value.asnValue.address.stream, 6);
+ }
+ }
+ }
+ } while (!ret);
+
+ // Free the bindings
SNMP_FreeVarBind(&varBind[0]);
SNMP_FreeVarBind(&varBind[1]);
return 0;
-#endif //_WIN32
+#endif //Win32 version
-/* 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;
- }
+// implementation for POSIX system
+#ifdef __sun
+ //The POSIX version is broken anyway on Solaris, plus would require full
+ //root power
+ struct arpreq parpreq;
+ struct sockaddr_in *psa;
+ struct hostent *phost;
+ char hostname[MAXHOSTNAMELEN];
+ char **paddrs;
+ int sock, status=0;
- 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;
- }
- }
- }
+ if(gethostname(hostname, MAXHOSTNAMELEN) != 0)
+ {
+ perror("gethostname");
+ return -1;
}
+ phost = gethostbyname(hostname);
+ paddrs = phost->h_addr_list;
- close(s);
- if (ok) {
- bcopy( ifr.ifr_hwaddr.sa_data, addr, 6);
+ sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if(sock == -1)
+ {
+ perror("sock");
+ return -1;
}
- else {
- return -1;
+ memset(&parpreq, 0, sizeof(struct arpreq));
+ psa = (struct sockaddr_in *) &parpreq.arp_pa;
+
+ memset(psa, 0, sizeof(struct sockaddr_in));
+ psa->sin_family = AF_INET;
+ memcpy(&psa->sin_addr, *paddrs, sizeof(struct in_addr));
+
+ status = ioctl(sock, SIOCGARP, &parpreq);
+ if(status == -1)
+ {
+ perror("SIOCGARP");
+ return -1;
}
+ memcpy(addr, parpreq.arp_ha.sa_data, 6);
+
return 0;
+#else
+#ifdef CMAKE_HAVE_NET_IF_H
+ int sd;
+ struct ifreq ifr, *ifrp;
+ struct ifconf ifc;
+ char buf[1024];
+ int n, i;
+ unsigned char *a;
+#if defined(AF_LINK) && (!defined(SIOCGIFHWADDR) && !defined(SIOCGENADDR))
+ struct sockaddr_dl *sdlp;
#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;
+//
+// BSD 4.4 defines the size of an ifreq to be
+// max(sizeof(ifreq), sizeof(ifreq.ifr_name)+ifreq.ifr_addr.sa_len
+// However, under earlier systems, sa_len isn't present, so the size is
+// just sizeof(struct ifreq)
+// 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)
+#else
+ #define ifreq_size(i) sizeof(struct ifreq)
+#endif // HAVE_SA_LEN
+
+ if( (sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0 )
+ {
+ 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');
- }
- }
+ memset(buf, 0, sizeof(buf));
+ ifc.ifc_len = sizeof(buf);
+ ifc.ifc_buf = buf;
+ if (ioctl (sd, SIOCGIFCONF, (char *)&ifc) < 0)
+ {
+ close(sd);
+ return -1;
}
- //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;
+ n = ifc.ifc_len;
+ for (i = 0; i < n; i+= ifreq_size(*ifrp) )
+ {
+ ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i);
+ strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ);
+#ifdef SIOCGIFHWADDR
+ if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0)
+ continue;
+ a = (unsigned char *) &ifr.ifr_hwaddr.sa_data;
+#else
+#ifdef SIOCGENADDR
+ // In theory this call should also work on Sun Solaris, but apparently
+ // SIOCGENADDR is not implemented properly thus the call
+ // ioctl(sd, SIOCGENADDR, &ifr) always returns errno=2
+ // (No such file or directory)
+ // Furthermore the DLAPI seems to require full root access
+ if (ioctl(sd, SIOCGENADDR, &ifr) < 0)
+ continue;
+ a = (unsigned char *) ifr.ifr_enaddr;
+#else
+#ifdef AF_LINK
+ sdlp = (struct sockaddr_dl *) &ifrp->ifr_addr;
+ if ((sdlp->sdl_family != AF_LINK) || (sdlp->sdl_alen != 6))
+ continue;
+ a = (unsigned char *) &sdlp->sdl_data[sdlp->sdl_nlen];
+#else
+ perror("No way to access hardware");
+ close(sd);
+ return -1;
+#endif // AF_LINK
+#endif // SIOCGENADDR
+#endif // SIOCGIFHWADDR
+ if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) continue;
+
+ if (addr)
+ {
+ memcpy(addr, a, 6);
+ close(sd);
+ return 0;
+ }
+ }
+ close(sd);
+#endif
+ // Not implemented platforms
+ perror("There was a configuration problem on your plateform");
+ memset(addr,0,6);
+ return -1;
+#endif //__sun
+}
- 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) |
+/**
+ * \brief 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
*/
-
- io_iterator_t intfIterator;
- UInt8 MACAddress[ kIOEthernetAddressSize ];
-
- kernResult = FindEthernetInterfaces(&intfIterator);
-
- if (KERN_SUCCESS != kernResult)
+inline int getlastdigit(unsigned char *data)
+{
+ int extended, carry = 0;
+ for(int i=0;i<6;i++)
{
- printf("FindEthernetInterfaces returned 0x%08x\n", kernResult);
+ extended = (carry << 8) + data[i];
+ data[i] = extended / 10;
+ carry = extended % 10;
}
- 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;
+ return carry;
}
+/**
+ * \brief Encode the mac address on a fixed lenght string of 15 characters.
+ * we save space this way.
+ */
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)
+ // This code is the result of a long internet search to find something
+ // as compact as possible (not OS independant). We only have to separate
+ // 3 OS: Win32, SunOS and 'real' POSIX
+ // 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];
+
+ int stat = GetMacAddrSys(addr);
+ if (stat == 0)
{
- //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;
+ // 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)
+ {
+ 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);
+ }
+
+ return sres;
}
else
{
- //printf( "No MAC address !\n" );
+ gdcmWarningMacro("Problem in finding the MAC Address");
return "";
}
}
/**
- * \ingroup Util
- * \brief Return the IP adress of the machine writting the DICOM image
+ * \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
*/
-std::string Util::GetIPAddress()
+std::string Util::CreateUniqueUID(const std::string &root)
{
- // 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 prefix;
+ std::string append;
+ if( root.empty() )
+ {
+ // gdcm UID prefix, as supplied by http://www.medicalconnections.co.uk
+ prefix = RootUID;
+ }
+ else
+ {
+ prefix = root;
+ }
- std::string str;
- char szHostName[HOST_NAME_MAX+1];
- int r = gethostname(szHostName, HOST_NAME_MAX);
+ // A root was specified use it to forge our new UID:
+ append += ".";
+ append += Util::GetMACAddress();
+ append += ".";
+ append += Util::GetCurrentDateTime();
- if( r == 0 )
- {
- // Get host adresses
- struct hostent *pHost = gethostbyname(szHostName);
+ //Also add a mini random number just in case:
+ int r = (int) (100.0*rand()/RAND_MAX);
+ append += Format("%02d", r);
- 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 += ".";
+ // 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);
+ }
- str += Util::Format("%u",
- (unsigned int)((unsigned char*)pHost->h_addr_list[i])[j]);
- }
- // str now contains one local IP address
+ return prefix + append;
+}
-#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;
+void Util::SetRootUID(const std::string &root)
+{
+ if( root.empty() )
+ RootUID = GDCM_UID;
+ else
+ RootUID = root;
}
-/**
- * \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)
+const std::string &Util::GetRootUID()
{
- // 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;
+ return RootUID;
}
+//-------------------------------------------------------------------------
+/**
+ * \brief class for binary write
+ * @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);
+ 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
- uint16_t swap;
- swap = ((( val << 8 ) & 0x0ff00 ) | (( val >> 8 ) & 0x00ff ) );
- return os.write(reinterpret_cast<const char*>(&swap), 2);
+ uint16_t swap;
+ 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(reinterpret_cast<const char*>(&val), 2);
#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
- 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);
+ 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);
+ return os.write(reinterpret_cast<const char*>(&val), 4);
#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));
+ 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());
+ return os.write(val.c_str(), val.size());
+}
+
+/**
+ * \brief binary_write binary_write
+ * @param os ostream to write to
+ * @param val val
+ */
+std::ostream &binary_write(std::ostream &os, const uint8_t *val, size_t len)
+{
+ // We are writting sizeof(char) thus no need to swap bytes
+ return os.write(reinterpret_cast<const char*>(val), len);
+}
+
+/**
+ * \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, size_t len)
+{
+// This is tricky since we are writting two bytes buffer. Be carefull with little endian
+// vs big endian. Also this other trick is to allocate a small (efficient) buffer that store
+// intermidiate result before writting it.
+#ifdef GDCM_WORDS_BIGENDIAN
+ const int BUFFER_SIZE = 4096;
+ uint16_t *buffer = new uint16_t[BUFFER_SIZE/2];
+ uint16_t *binArea16 = val;
+
+ // how many BUFFER_SIZE long pieces in binArea ?
+ int nbPieces = len/BUFFER_SIZE; //(16 bits = 2 Bytes)
+ int remainingSize = len%BUFFER_SIZE;
+
+ for (int j=0;j<nbPieces;j++)
+ {
+ for (int i = 0; i < BUFFER_SIZE/2; i++)
+ {
+ //buffer[i] = (binArea16[i] >> 8) | (binArea16[i] << 8);
+ uint16_t val16 = binArea16[i];
+ buffer[i] = ((( val16 << 8 ) & 0xff00 ) | (( val16 >> 8 ) & 0x00ff ) );
+ }
+ fp->write ( (char*)buffer, BUFFER_SIZE );
+ binArea16 += BUFFER_SIZE/2;
+ }
+ if ( remainingSize > 0)
+ {
+ for (int i = 0; i < remainingSize/2; i++)
+ {
+ //buffer[i] = (binArea16[i] >> 8) | (binArea16[i] << 8);
+ uint16_t val16 = binArea16[i];
+ buffer[i] = ((( val16 << 8 ) & 0xff00 ) | (( val16 >> 8 ) & 0x00ff ) );
+ }
+ fp->write ( (char*)buffer, remainingSize );
+ }
+ delete[] buffer;
+#else
+ return os.write(reinterpret_cast<const char*>(val), len);
+#endif
+}
+
+//-------------------------------------------------------------------------
+// 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