From 5d342a758c6095b4d30aba0750b54f13b8916f51 Mon Sep 17 00:00:00 2001
From: Antonin Kral <a.kral@bobek.cz>
Date: Wed, 14 Sep 2011 17:08:06 +0200
Subject: Imported Upstream version 2.0.0

---
 bson/oid.cpp | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

(limited to 'bson/oid.cpp')

diff --git a/bson/oid.cpp b/bson/oid.cpp
index 6aa0730..3aee14a 100644
--- a/bson/oid.cpp
+++ b/bson/oid.cpp
@@ -19,6 +19,7 @@
 #include "oid.h"
 #include "util/atomic_int.h"
 #include "../db/nonce.h"
+#include "bsonobjbuilder.h"
 
 BOOST_STATIC_ASSERT( sizeof(mongo::OID) == 12 );
 
@@ -34,7 +35,7 @@ namespace mongo {
 #elif defined(__linux__) || defined(__APPLE__) || defined(__sunos__)
         pid = (unsigned short) getpid();
 #else
-        pid = (unsigned short) security.getNonce();
+        pid = (unsigned short) Security::getNonce();
 #endif
         return pid;
     }
@@ -53,13 +54,13 @@ namespace mongo {
         // this is not called often, so the following is not expensive, and gives us some
         // testing that nonce generation is working right and that our OIDs are (perhaps) ok.
         {
-            nonce a = security.getNonce();
-            nonce b = security.getNonce();
-            nonce c = security.getNonce();
+            nonce64 a = Security::getNonceDuringInit();
+            nonce64 b = Security::getNonceDuringInit();
+            nonce64 c = Security::getNonceDuringInit();
             assert( !(a==b && b==c) );
         }
 
-        unsigned long long n = security.getNonce();
+        unsigned long long n = Security::getNonceDuringInit();
         OID::MachineAndPid x = ourMachine = (OID::MachineAndPid&) n;
         foldInPid(x);
         return x;
@@ -96,7 +97,7 @@ namespace mongo {
     }
 
     void OID::init() {
-        static AtomicUInt inc = (unsigned) security.getNonce();
+        static AtomicUInt inc = (unsigned) Security::getNonce();
 
         {
             unsigned t = (unsigned) time(0);
@@ -151,4 +152,22 @@ namespace mongo {
         return time;
     }
 
+    const string BSONObjBuilder::numStrs[] = {
+        "0",  "1",  "2",  "3",  "4",  "5",  "6",  "7",  "8",  "9",
+        "10", "11", "12", "13", "14", "15", "16", "17", "18", "19",
+        "20", "21", "22", "23", "24", "25", "26", "27", "28", "29",
+        "30", "31", "32", "33", "34", "35", "36", "37", "38", "39",
+        "40", "41", "42", "43", "44", "45", "46", "47", "48", "49",
+        "50", "51", "52", "53", "54", "55", "56", "57", "58", "59",
+        "60", "61", "62", "63", "64", "65", "66", "67", "68", "69",
+        "70", "71", "72", "73", "74", "75", "76", "77", "78", "79",
+        "80", "81", "82", "83", "84", "85", "86", "87", "88", "89",
+        "90", "91", "92", "93", "94", "95", "96", "97", "98", "99",
+    };
+
+    // This is to ensure that BSONObjBuilder doesn't try to use numStrs before the strings have been constructed
+    // I've tested just making numStrs a char[][], but the overhead of constructing the strings each time was too high
+    // numStrsReady will be 0 until after numStrs is initialized because it is a static variable
+    bool BSONObjBuilder::numStrsReady = (numStrs[0].size() > 0);
+
 }
-- 
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