replace : iotivity -> iotivity-sec

[platform/upstream/iotivity.git] / resource / c_common / ocrandom / src / ocrandom.c

diff --git a/resource/c_common/ocrandom/src/ocrandom.c b/resource/c_common/ocrandom/src/ocrandom.c
index 4a02ed1..e0dcdc5 100644 (file)
--- a/resource/c_common/ocrandom/src/ocrandom.c
+++ b/resource/c_common/ocrandom/src/ocrandom.c
@@ -30,6 +30,8 @@
 #define _POSIX_C_SOURCE 200809L
 #endif
 
+#include "iotivity_config.h"
+
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif
@@ -39,6 +41,11 @@
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#elif defined(HAVE_STRINGS_H)
+#include <strings.h>
+#endif
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
@@ -49,6 +56,9 @@
 #include <ctype.h>
 #include <linux/time.h>
 #endif
+#ifdef HAVE_WINDOWS_H
+#include <windows.h>
+#endif
 #include "ocrandom.h"
 #include <stdio.h>
 
@@ -117,6 +127,11 @@ int8_t OCSeedRandom()
     struct timespec getTs;
     clock_gettime(CLOCK_MONOTONIC, &getTs);
     currentTime = (getTs.tv_sec * (uint64_t)NANO_SEC + getTs.tv_nsec)/1000;
+#elif _WIN32
+    LARGE_INTEGER count;
+    if (QueryPerformanceCounter(&count)) {
+        currentTime = count.QuadPart;
+    }
 #elif  _POSIX_TIMERS > 0
     struct timespec ts;
     clock_gettime(CLOCK_MONOTONIC, &ts);
@@ -126,7 +141,7 @@ int8_t OCSeedRandom()
     gettimeofday(&tv, NULL);
     currentTime = tv.tv_sec * (uint64_t)1000000 + tv.tv_usec;
 #endif
-#if defined(__unix__) || defined(__APPLE__)
+#if defined(__unix__) || defined(__APPLE__) || defined(__TIZENRT__)
     int32_t fd = open("/dev/urandom", O_RDONLY);
     if (fd >= 0)
     {
@@ -318,7 +333,6 @@ OCRandomUuidResult OCGenerateUuidString(char uuidString[UUID_STRING_SIZE])
     }
     else
     {
-        close(fd);
         return RAND_UUID_READ_ERROR;
     }
 #elif defined(HAVE_UUID_UUID_H)
@@ -365,3 +379,39 @@ OCRandomUuidResult OCConvertUuidToString(const uint8_t uuid[UUID_SIZE],
 
     return RAND_UUID_OK;
 }
+
+OCRandomUuidResult OCConvertStringToUuid(const char uuidString[UUID_STRING_SIZE],
+                                         uint8_t uuid[UUID_SIZE])
+{
+    if(NULL == uuidString || NULL == uuid)
+    {
+        return RAND_UUID_INVALID_PARAM;
+    }
+
+    size_t urnIdx = 0;
+    size_t uuidIdx = 0;
+    size_t strUuidLen = 0;
+    char convertedUuid[UUID_SIZE * 2] = {0};
+
+    strUuidLen = strlen(uuidString);
+    if((UUID_STRING_SIZE - 1) == strUuidLen)
+    {
+        for(uuidIdx=0, urnIdx=0; uuidIdx < UUID_SIZE ; uuidIdx++, urnIdx+=2)
+        {
+            if(*(uuidString + urnIdx) == '-')
+            {
+                urnIdx++;
+            }
+            sscanf(uuidString + urnIdx, "%2hhx", &convertedUuid[uuidIdx]);
+        }
+    }
+    else
+    {
+        return RAND_UUID_CONVERT_ERROR;
+    }
+
+    memcpy(uuid, convertedUuid, UUID_SIZE);
+
+    return RAND_UUID_OK;
+}
+