X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmUtil.cxx;h=bf583caf1eed3c51ddfbf213f4f80d6ca618a7c4;hb=327dfe7647e3720b0f3125f9b19397cb9afc0ed3;hp=d09fe4534e49e0d7e4f9461928f00952e59d3d71;hpb=6bcd9b8c2dca341ac79674be22c3d09323ee6e78;p=gdcm.git diff --git a/src/gdcmUtil.cxx b/src/gdcmUtil.cxx index d09fe453..bf583caf 100644 --- a/src/gdcmUtil.cxx +++ b/src/gdcmUtil.cxx @@ -3,8 +3,8 @@ 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 @@ -19,12 +19,26 @@ #include "gdcmUtil.h" #include "gdcmDebug.h" +// For GetCurrentDate, GetCurrentTime +#include +#include +#include + #include //only included in implementation file #include //only included in implementation file +#if defined(_MSC_VER) + #include // for gethostname & gethostbyname + #undef GetCurrentTime +#else +#ifndef __BORLANDC__ + #include // for gethostname + #include // for gethostbyname +#endif +#endif + namespace gdcm { - /** * \ingroup Globals * \brief Provide a better 'c++' approach for sprintf @@ -39,12 +53,15 @@ namespace gdcm * 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; } @@ -53,8 +70,8 @@ std::string Util::Format(const char* format, ...) * \ingroup Globals * \brief Because not available in C++ (?) */ -void Util::Tokenize (const std::string& str, - std::vector& tokens, +void Util::Tokenize (const std::string &str, + std::vector &tokens, const std::string& delimiters) { std::string::size_type lastPos = str.find_first_not_of(delimiters,0); @@ -73,11 +90,11 @@ void Util::Tokenize (const std::string& str, * 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 { @@ -99,25 +116,25 @@ int Util::CountSubstring (const std::string& str, * 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;i0) + 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] = ' '; } } } @@ -128,9 +145,9 @@ std::string Util::CreateCleanString(std::string const & s) /** * \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 = '\\'; @@ -150,7 +167,7 @@ std::string Util::NormalizePath(std::string const & pathname) * \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("/"); @@ -168,11 +185,11 @@ std::string Util::GetPath(std::string const & fullName) } /** - * \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; @@ -189,5 +206,595 @@ std::string Util::GetName(std::string const & 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(&intVal), + reinterpret_cast(bigEndianRepr), 4); + if (res == 0) + return true; + else + return false; +} + + +#include +#include +#include + +#ifdef _WIN32 +#include +#include +#include +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 //for bzero on unix +#endif //_WIN32 + +#ifdef __linux__ +#include +#include +#include +#include +#include +#endif + +#ifdef __HP_aCC +#include +#endif + +#ifdef _AIX +#include +#include +#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; jh_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 +std::ostream &binary_write(std::ostream &os, const T &val) +{ + return os.write(reinterpret_cast(&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(&swap), 2); +#else + return os.write(reinterpret_cast(&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(&swap), 4); +#else + return os.write(reinterpret_cast(&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