From 798d367d54a6c6379ad355bd8345fa40e31e7fe9 Mon Sep 17 00:00:00 2001 From: Jacek Antonelli Date: Sat, 6 Sep 2008 18:24:57 -0500 Subject: Second Life viewer sources 1.21.0-RC --- linden/indra/llmath/lluuid.cpp | 923 ----------------------------------------- 1 file changed, 923 deletions(-) delete mode 100644 linden/indra/llmath/lluuid.cpp (limited to 'linden/indra/llmath/lluuid.cpp') diff --git a/linden/indra/llmath/lluuid.cpp b/linden/indra/llmath/lluuid.cpp deleted file mode 100644 index d835cbc..0000000 --- a/linden/indra/llmath/lluuid.cpp +++ /dev/null @@ -1,923 +0,0 @@ -/** - * @file lluuid.cpp - * - * $LicenseInfo:firstyear=2000&license=viewergpl$ - * - * Copyright (c) 2000-2008, Linden Research, Inc. - * - * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 - * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception - * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. - * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -// We can't use WIN32_LEAN_AND_MEAN here, needs lots of includes. -#if LL_WINDOWS -# undef WIN32_LEAN_AND_MEAN -# include -# include -#endif - -#include "lldefs.h" -#include "llerror.h" - -#include "lluuid.h" -#include "llerror.h" -#include "llrand.h" -#include "llmd5.h" -#include "llstring.h" -#include "lltimer.h" - -const LLUUID LLUUID::null; -const LLTransactionID LLTransactionID::tnull; - -/* - -NOT DONE YET!!! - -static char BASE85_TABLE[] = { - '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', - 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', - 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', - 'y', 'z', '!', '#', '$', '%', '&', '(', ')', '*', - '+', '-', ';', '[', '=', '>', '?', '@', '^', '_', - '`', '{', '|', '}', '~', '\0' -}; - - -void encode( char * fiveChars, unsigned int word ) throw( ) -{ -for( int ix = 0; ix < 5; ++ix ) { -fiveChars[4-ix] = encodeTable[ word % 85]; -word /= 85; -} -} - -To decode: -unsigned int decode( char const * fiveChars ) throw( bad_input_data ) -{ -unsigned int ret = 0; -for( int ix = 0; ix < 5; ++ix ) { -char * s = strchr( encodeTable, fiveChars[ ix ] ); -if( s == 0 ) throw bad_input_data(); -ret = ret * 85 + (s-encodeTable); -} -return ret; -} - -void LLUUID::toBase85(char* out) -{ - U32* me = (U32*)&(mData[0]); - for(S32 i = 0; i < 4; ++i) - { - char* o = &out[i*i]; - for(S32 j = 0; j < 5; ++j) - { - o[4-j] = BASE85_TABLE[ me[i] % 85]; - word /= 85; - } - } -} - -unsigned int decode( char const * fiveChars ) throw( bad_input_data ) -{ - unsigned int ret = 0; - for( S32 ix = 0; ix < 5; ++ix ) - { - char * s = strchr( encodeTable, fiveChars[ ix ] ); - ret = ret * 85 + (s-encodeTable); - } - return ret; -} -*/ - -#define LL_USE_JANKY_RANDOM_NUMBER_GENERATOR 0 -#if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR -/** - * @brief a global for - */ -static U64 sJankyRandomSeed(LLUUID::getRandomSeed()); - -/** - * @brief generate a random U32. - */ -U32 janky_fast_random_bytes() -{ - sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); - return (U32)sJankyRandomSeed; -} - -/** - * @brief generate a random U32 from [0, val) - */ -U32 janky_fast_random_byes_range(U32 val) -{ - sJankyRandomSeed = U64L(1664525) * sJankyRandomSeed + U64L(1013904223); - return (U32)(sJankyRandomSeed) % val; -} - -/** - * @brief generate a random U32 from [0, val) - */ -U32 janky_fast_random_seeded_bytes(U32 seed, U32 val) -{ - seed = U64L(1664525) * (U64)(seed) + U64L(1013904223); - return (U32)(seed) % val; -} -#endif - -// Common to all UUID implementations -void LLUUID::toString(char *out) const -{ - sprintf(out, - "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", - (U8)(mData[0]), - (U8)(mData[1]), - (U8)(mData[2]), - (U8)(mData[3]), - (U8)(mData[4]), - (U8)(mData[5]), - (U8)(mData[6]), - (U8)(mData[7]), - (U8)(mData[8]), - (U8)(mData[9]), - (U8)(mData[10]), - (U8)(mData[11]), - (U8)(mData[12]), - (U8)(mData[13]), - (U8)(mData[14]), - (U8)(mData[15])); -} - -void LLUUID::toCompressedString(char *out) const -{ - memcpy(out, mData, UUID_BYTES); /* Flawfinder: ignore */ - out[UUID_BYTES] = '\0'; -} - -std::string LLUUID::getString() const -{ - return asString(); -} - -std::string LLUUID::asString() const -{ - char str[UUID_STR_SIZE]; /* Flawfinder: ignore */ - toString(str); - return std::string(str); -} - -BOOL LLUUID::set(const std::string& in_string, BOOL emit) -{ - return set(in_string.c_str(), emit); -} - -BOOL LLUUID::set(const char *in_string, BOOL emit) -{ - BOOL broken_format = FALSE; - if (!in_string) - { - llerrs << "No string pointer in LLUUID::set!" << llendl; - setNull(); - return FALSE; - } - - // empty strings should make NULL uuid - if (!in_string[0]) - { - setNull(); - return TRUE; - } - - if (strlen(in_string) != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ - { - // I'm a moron. First implementation didn't have the right UUID format. - // Shouldn't see any of these any more - if (strlen(in_string) == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ - { - if(emit) - { - llinfos << "Warning! Using broken UUID string format" << llendl; - } - broken_format = TRUE; - } - else - { - // Bad UUID string. Spam as INFO, as most cases we don't care. - if(emit) - { - llinfos << "Bad UUID string: " << in_string << llendl; - } - setNull(); - return FALSE; - } - } - - U8 cur_pos = 0; - S32 i; - for (i = 0; i < UUID_BYTES; i++) - { - if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) - { - cur_pos++; - if (broken_format && (i==10)) - { - // Missing - in the broken format - cur_pos--; - } - } - - mData[i] = 0; - - if ((*(in_string + cur_pos) >= '0') && (*(in_string+cur_pos) <= '9')) - { - mData[i] += (U8)(*(in_string + cur_pos) - '0'); - } - else if ((*(in_string + cur_pos) >= 'a') && (*(in_string+cur_pos) <='f')) - { - mData[i] += (U8)(10 + *(in_string + cur_pos) - 'a'); - } - else if ((*(in_string + cur_pos) >= 'A') && (*(in_string+cur_pos) <='F')) - { - mData[i] += (U8)(10 + *(in_string + cur_pos) - 'A'); - } - else - { - if(emit) - { - llwarns << "Invalid UUID string character" << llendl; - } - setNull(); - return FALSE; - } - - mData[i] = mData[i] << 4; - cur_pos++; - - if ((*(in_string + cur_pos) >= '0') && (*(in_string+cur_pos) <= '9')) - { - mData[i] += (U8)(*(in_string + cur_pos) - '0'); - } - else if ((*(in_string + cur_pos) >= 'a') && (*(in_string+cur_pos) <='f')) - { - mData[i] += (U8)(10 + *(in_string + cur_pos) - 'a'); - } - else if ((*(in_string + cur_pos) >= 'A') && (*(in_string+cur_pos) <='F')) - { - mData[i] += (U8)(10 + *(in_string + cur_pos) - 'A'); - } - else - { - if(emit) - { - llwarns << "Invalid UUID string character" << llendl; - } - setNull(); - return FALSE; - } - cur_pos++; - } - - return TRUE; -} - -BOOL LLUUID::validate(const std::string& in_string) -{ - return validate(in_string.c_str()); -} - -BOOL LLUUID::validate(const char *in_string) -{ - BOOL broken_format = FALSE; - if (!in_string) - { - return FALSE; - } - if (strlen(in_string) != (UUID_STR_LENGTH - 1)) /* Flawfinder: ignore */ - { - // I'm a moron. First implementation didn't have the right UUID format. - if (strlen(in_string) == (UUID_STR_LENGTH - 2)) /* Flawfinder: ignore */ - { - broken_format = TRUE; - } - else - { - return FALSE; - } - } - - U8 cur_pos = 0; - U32 i; - for (i = 0; i < 16; i++) - { - if ((i == 4) || (i == 6) || (i == 8) || (i == 10)) - { - cur_pos++; - if (broken_format && (i==10)) - { - // Missing - in the broken format - cur_pos--; - } - } - - if ((*(in_string + cur_pos) >= '0') && (*(in_string+cur_pos) <= '9')) - { - } - else if ((*(in_string + cur_pos) >= 'a') && (*(in_string+cur_pos) <='f')) - { - } - else if ((*(in_string + cur_pos) >= 'A') && (*(in_string+cur_pos) <='F')) - { - } - else - { - return FALSE; - } - - cur_pos++; - - if ((*(in_string + cur_pos) >= '0') && (*(in_string+cur_pos) <= '9')) - { - } - else if ((*(in_string + cur_pos) >= 'a') && (*(in_string+cur_pos) <='f')) - { - } - else if ((*(in_string + cur_pos) >= 'A') && (*(in_string+cur_pos) <='F')) - { - } - else - { - return FALSE; - } - cur_pos++; - } - return TRUE; -} - -const LLUUID& LLUUID::operator^=(const LLUUID& rhs) -{ - U32* me = (U32*)&(mData[0]); - const U32* other = (U32*)&(rhs.mData[0]); - for(S32 i = 0; i < 4; ++i) - { - me[i] = me[i] ^ other[i]; - } - return *this; -} - -LLUUID LLUUID::operator^(const LLUUID& rhs) const -{ - LLUUID id(*this); - id ^= rhs; - return id; -} - -void LLUUID::combine(const LLUUID& other, LLUUID& result) const -{ - LLMD5 md5_uuid; - md5_uuid.update((unsigned char*)mData, 16); - md5_uuid.update((unsigned char*)other.mData, 16); - md5_uuid.finalize(); - md5_uuid.raw_digest(result.mData); -} - -LLUUID LLUUID::combine(const LLUUID &other) const -{ - LLUUID combination; - combine(other, combination); - return combination; -} - -std::ostream& operator<<(std::ostream& s, const LLUUID &uuid) -{ - char uuid_str[UUID_STR_LENGTH]; - - uuid.toString(uuid_str); - s << uuid_str; - return s; -} - -std::istream& operator>>(std::istream &s, LLUUID &uuid) -{ - U32 i; - char uuid_str[UUID_STR_LENGTH]; /* Flawfinder: ignore */ - for (i = 0; i < UUID_STR_LENGTH-1; i++) - { - s >> uuid_str[i]; - } - uuid_str[i] = '\0'; - uuid.set(uuid_str); - return s; -} - -static void get_random_bytes(void *buf, int nbytes) -{ - int i; - char *cp = (char *) buf; - - // *NOTE: If we are not using the janky generator ll_rand() - // generates at least 3 good bytes of data since it is 0 to - // RAND_MAX. This could be made more efficient by copying all the - // bytes. - for (i=0; i < nbytes; i++) -#if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - *cp++ = janky_fast_random_bytes() & 0xFF; -#else - *cp++ = ll_rand() & 0xFF; -#endif - return; -} - -#if LL_WINDOWS -typedef struct _ASTAT_ -{ - ADAPTER_STATUS adapt; - NAME_BUFFER NameBuff [30]; -}ASTAT, * PASTAT; - -// static -S32 LLUUID::getNodeID(unsigned char * node_id) -{ - ASTAT Adapter; - NCB Ncb; - UCHAR uRetCode; - LANA_ENUM lenum; - int i; - int retval = 0; - - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBENUM; - Ncb.ncb_buffer = (UCHAR *)&lenum; - Ncb.ncb_length = sizeof(lenum); - uRetCode = Netbios( &Ncb ); - // printf( "The NCBENUM return code is: 0x%x \n", uRetCode ); - - for(i=0; i < lenum.length ;i++) - { - memset( &Ncb, 0, sizeof(Ncb) ); - Ncb.ncb_command = NCBRESET; - Ncb.ncb_lana_num = lenum.lana[i]; - - uRetCode = Netbios( &Ncb ); - // printf( "The NCBRESET on LANA %d return code is: 0x%x \n", - // lenum.lana[i], uRetCode ); - - memset( &Ncb, 0, sizeof (Ncb) ); - Ncb.ncb_command = NCBASTAT; - Ncb.ncb_lana_num = lenum.lana[i]; - - strcpy( (char *)Ncb.ncb_callname, "* " ); /* Flawfinder: ignore */ - Ncb.ncb_buffer = (unsigned char *)&Adapter; - Ncb.ncb_length = sizeof(Adapter); - - uRetCode = Netbios( &Ncb ); -// printf( "The NCBASTAT on LANA %d return code is: 0x%x \n", -// lenum.lana[i], uRetCode ); - if ( uRetCode == 0 ) - { -// printf( "The Ethernet Number on LANA %d is: %02x%02x%02x%02x%02x%02x\n", -// lenum.lana[i], -// Adapter.adapt.adapter_address[0], -// Adapter.adapt.adapter_address[1], -// Adapter.adapt.adapter_address[2], -// Adapter.adapt.adapter_address[3], -// Adapter.adapt.adapter_address[4], -// Adapter.adapt.adapter_address[5] ); - memcpy(node_id,Adapter.adapt.adapter_address,6); /* Flawfinder: ignore */ - retval = 1; - - } - } - return retval; -} - -#elif LL_DARWIN -// Mac OS X version of the UUID generation code... -/* - * Get an ethernet hardware address, if we can find it... - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -// static -S32 LLUUID::getNodeID(unsigned char *node_id) -{ - int i; - unsigned char *a = NULL; - struct ifaddrs *ifap, *ifa; - int rv; - S32 result = 0; - - if ((rv=getifaddrs(&ifap))==-1) - { - return -1; - } - if (ifap == NULL) - { - return -1; - } - - for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) - { -// printf("Interface %s, address family %d, ", ifa->ifa_name, ifa->ifa_addr->sa_family); - for(i=0; i< ifa->ifa_addr->sa_len; i++) - { -// printf("%02X ", (unsigned char)ifa->ifa_addr->sa_data[i]); - } -// printf("\n"); - - if(ifa->ifa_addr->sa_family == AF_LINK) - { - // This is a link-level address - struct sockaddr_dl *lla = (struct sockaddr_dl *)ifa->ifa_addr; - -// printf("\tLink level address, type %02X\n", lla->sdl_type); - - if(lla->sdl_type == IFT_ETHER) - { - // Use the first ethernet MAC in the list. - // For some reason, the macro LLADDR() defined in net/if_dl.h doesn't expand correctly. This is what it would do. - a = (unsigned char *)&((lla)->sdl_data); - a += (lla)->sdl_nlen; - - if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) - { - continue; - } - - if (node_id) - { - memcpy(node_id, a, 6); - result = 1; - } - - // We found one. - break; - } - } - } - freeifaddrs(ifap); - - return result; -} - -#else - -// Linux version of the UUID generation code... -/* - * Get the ethernet hardware address, if we can find it... - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#define HAVE_NETINET_IN_H -#ifdef HAVE_NETINET_IN_H -#include -#if LL_SOLARIS -#include -#elif !LL_DARWIN -#include -#endif -#endif - -// static -S32 LLUUID::getNodeID(unsigned char *node_id) -{ - int sd; - struct ifreq ifr, *ifrp; - struct ifconf ifc; - char buf[1024]; - int n, i; - unsigned char *a; - -/* - * 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) - */ -#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*/ - - sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); - if (sd < 0) { - return -1; - } - 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; - } - n = ifc.ifc_len; - for (i = 0; i < n; i+= ifreq_size(*ifr) ) { - ifrp = (struct ifreq *)((char *) ifc.ifc_buf+i); - strncpy(ifr.ifr_name, ifrp->ifr_name, IFNAMSIZ); /* Flawfinder: ignore */ -#ifdef SIOCGIFHWADDR - if (ioctl(sd, SIOCGIFHWADDR, &ifr) < 0) - continue; - a = (unsigned char *) &ifr.ifr_hwaddr.sa_data; -#else -#ifdef SIOCGENADDR - if (ioctl(sd, SIOCGENADDR, &ifr) < 0) - continue; - a = (unsigned char *) ifr.ifr_enaddr; -#else - /* - * XXX we don't have a way of getting the hardware - * address - */ - close(sd); - return 0; -#endif /* SIOCGENADDR */ -#endif /* SIOCGIFHWADDR */ - if (!a[0] && !a[1] && !a[2] && !a[3] && !a[4] && !a[5]) - continue; - if (node_id) { - memcpy(node_id, a, 6); /* Flawfinder: ignore */ - close(sd); - return 1; - } - } - close(sd); - return 0; -} - -#endif - -S32 LLUUID::cmpTime(uuid_time_t *t1, uuid_time_t *t2) -{ - // Compare two time values. - - if (t1->high < t2->high) return -1; - if (t1->high > t2->high) return 1; - if (t1->low < t2->low) return -1; - if (t1->low > t2->low) return 1; - return 0; -} - -void LLUUID::getSystemTime(uuid_time_t *timestamp) -{ - // Get system time with 100ns precision. Time is since Oct 15, 1582. -#if LL_WINDOWS - ULARGE_INTEGER time; - GetSystemTimeAsFileTime((FILETIME *)&time); - // NT keeps time in FILETIME format which is 100ns ticks since - // Jan 1, 1601. UUIDs use time in 100ns ticks since Oct 15, 1582. - // The difference is 17 Days in Oct + 30 (Nov) + 31 (Dec) - // + 18 years and 5 leap days. - time.QuadPart += - (unsigned __int64) (1000*1000*10) // seconds - * (unsigned __int64) (60 * 60 * 24) // days - * (unsigned __int64) (17+30+31+365*18+5); // # of days - - timestamp->high = time.HighPart; - timestamp->low = time.LowPart; -#else - struct timeval tp; - gettimeofday(&tp, 0); - - // Offset between UUID formatted times and Unix formatted times. - // UUID UTC base time is October 15, 1582. - // Unix base time is January 1, 1970. - U64 uuid_time = ((U64)tp.tv_sec * 10000000) + (tp.tv_usec * 10) + - U64L(0x01B21DD213814000); - timestamp->high = (U32) (uuid_time >> 32); - timestamp->low = (U32) (uuid_time & 0xFFFFFFFF); -#endif -} - -void LLUUID::getCurrentTime(uuid_time_t *timestamp) -{ - // Get current time as 60 bit 100ns ticks since whenever. - // Compensate for the fact that real clock resolution is less - // than 100ns. - - const U32 uuids_per_tick = 1024; - - static uuid_time_t time_last; - static U32 uuids_this_tick; - static BOOL init = FALSE; - - if (!init) { - getSystemTime(&time_last); - uuids_this_tick = uuids_per_tick; - init = TRUE; - } - - uuid_time_t time_now = {0,0}; - - while (1) { - getSystemTime(&time_now); - - // if clock reading changed since last UUID generated - if (cmpTime(&time_last, &time_now)) { - // reset count of uuid's generated with this clock reading - uuids_this_tick = 0; - break; - } - if (uuids_this_tick < uuids_per_tick) { - uuids_this_tick++; - break; - } - // going too fast for our clock; spin - } - - time_last = time_now; - - if (uuids_this_tick != 0) { - if (time_now.low & 0x80000000) { - time_now.low += uuids_this_tick; - if (!(time_now.low & 0x80000000)) - time_now.high++; - } else - time_now.low += uuids_this_tick; - } - - timestamp->high = time_now.high; - timestamp->low = time_now.low; -} - -void LLUUID::generate() -{ - // Create a UUID. - uuid_time_t timestamp; - - static unsigned char node_id[6]; /* Flawfinder: ignore */ - static int has_init = 0; - - // Create a UUID. - static uuid_time_t time_last = {0,0}; - static U16 clock_seq = 0; -#if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - static U32 seed = 0L; // dummy seed. reset it below -#endif - if (!has_init) - { - if (getNodeID(node_id) <= 0) - { - get_random_bytes(node_id, 6); - /* - * Set multicast bit, to prevent conflicts - * with IEEE 802 addresses obtained from - * network cards - */ - node_id[0] |= 0x80; - } - - getCurrentTime(&time_last); -#if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - seed = time_last.low; -#endif - -#if LL_USE_JANKY_RANDOM_NUMBER_GENERATOR - clock_seq = (U16)janky_fast_random_seeded_bytes(seed, 65536); -#else - clock_seq = (U16)ll_rand(65536); -#endif - has_init = 1; - } - - // get current time - getCurrentTime(×tamp); - - // if clock went backward change clockseq - if (cmpTime(×tamp, &time_last) == -1) { - clock_seq = (clock_seq + 1) & 0x3FFF; - if (clock_seq == 0) clock_seq++; - } - - memcpy(mData+10, node_id, 6); /* Flawfinder: ignore */ - U32 tmp; - tmp = timestamp.low; - mData[3] = (unsigned char) tmp; - tmp >>= 8; - mData[2] = (unsigned char) tmp; - tmp >>= 8; - mData[1] = (unsigned char) tmp; - tmp >>= 8; - mData[0] = (unsigned char) tmp; - - tmp = (U16) timestamp.high; - mData[5] = (unsigned char) tmp; - tmp >>= 8; - mData[4] = (unsigned char) tmp; - - tmp = (timestamp.high >> 16) | 0x1000; - mData[7] = (unsigned char) tmp; - tmp >>= 8; - mData[6] = (unsigned char) tmp; - - tmp = clock_seq; - mData[9] = (unsigned char) tmp; - tmp >>= 8; - mData[8] = (unsigned char) tmp; - - LLMD5 md5_uuid; - - md5_uuid.update(mData,16); - md5_uuid.finalize(); - md5_uuid.raw_digest(mData); - - time_last = timestamp; -} - -void LLUUID::generate(std::string hash_string) -{ - LLMD5 md5_uuid((U8*)hash_string.c_str()); - md5_uuid.raw_digest(mData); -} - -U32 LLUUID::getRandomSeed() -{ - static unsigned char seed[16]; /* Flawfinder: ignore */ - - getNodeID(&seed[0]); - seed[6]='\0'; - seed[7]='\0'; - getSystemTime((uuid_time_t *)(&seed[8])); - - LLMD5 md5_seed; - - md5_seed.update(seed,16); - md5_seed.finalize(); - md5_seed.raw_digest(seed); - - return(*(U32 *)seed); -} - -BOOL LLUUID::parseUUID(const char* buf, LLUUID* value) -{ - if( buf == NULL || buf[0] == '\0' || value == NULL) - { - return FALSE; - } - - LLString temp( buf ); - LLString::trim(temp); - if( LLUUID::validate( temp ) ) - { - value->set( temp ); - return TRUE; - } - return FALSE; -} - -LLAssetID LLTransactionID::makeAssetID(const LLUUID& session) const -{ - LLAssetID result; - if (isNull()) - { - result.setNull(); - } - else - { - combine(session, result); - } - return result; -} -- cgit v1.1