diff options
Diffstat (limited to 'src/mongo/scripting/bson_template_evaluator.cpp')
| -rw-r--r-- | src/mongo/scripting/bson_template_evaluator.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mongo/scripting/bson_template_evaluator.cpp b/src/mongo/scripting/bson_template_evaluator.cpp index 8b6e42756a2..634a478b613 100644 --- a/src/mongo/scripting/bson_template_evaluator.cpp +++ b/src/mongo/scripting/bson_template_evaluator.cpp @@ -48,7 +48,7 @@ namespace mongo { addOperator("VARIABLE", &BsonTemplateEvaluator::evalVariable); } - BsonTemplateEvaluator::BsonTemplateEvaluator() : _id(0) { + BsonTemplateEvaluator::BsonTemplateEvaluator(int64_t seed) : _id(0), rng(seed) { initializeEvaluator(); } @@ -169,7 +169,8 @@ namespace mongo { const int max = range["1"].numberInt(); if (max <= min) return StatusOpEvaluationError; - int randomNum = min + (rand() % (max - min)); + // range of max-min + int randomNum = min + (btl->rng.nextInt32() % (max - min)); if (range.nFields() == 3) { if (!range[2].isNumber()) return StatusOpEvaluationError; @@ -192,7 +193,7 @@ namespace mongo { const int max = range["1"].numberInt(); if (max <= min) return StatusOpEvaluationError; - int randomNum = min + (rand() % (max - min)); + int randomNum = min + (btl->rng.nextInt32() % (max - min)); randomNum += ((max - min) * btl->_id); out.append(fieldName, randomNum); return StatusSuccess; @@ -269,11 +270,11 @@ namespace mongo { "0123456789+/"; static const size_t alphaNumLength = sizeof(alphanum) - 1; BOOST_STATIC_ASSERT(alphaNumLength == 64); - unsigned currentRand = 0; + int32_t currentRand = 0; std::string str; for (int i = 0; i < length; ++i, currentRand >>= 6) { if (i % 5 == 0) - currentRand = rand(); + currentRand = btl->rng.nextInt32(); str.push_back(alphanum[currentRand % alphaNumLength]); } out.append(fieldName, str); |