diff --git a/Gemfile b/Gemfile index aa89ae0..2e3dd1a 100644 --- a/Gemfile +++ b/Gemfile @@ -9,6 +9,8 @@ group :development, :test do # Deployment gem "git" + gem "redcarpet" + gem "yard" # Testing gem "mocha" diff --git a/README.md b/README.md index 5867274..84266b0 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,17 @@ +# Documentation + +This API documentation is available online at [http://api.mongodb.org/ruby](http://api.mongodb.org/ruby) +for all releases of the MongoDB Ruby driver. Please reference the exact version of the documentation +that matches the release of the Ruby driver that you are using. Note that the +[Ruby Language Center for MongoDB](http://www.mongodb.org/display/DOCS/Ruby+Language+Center) +has a link to API Documentation for the current release. + +If you have the source, you can generate the matching documentation by typing + + $ rake ydoc + +Then open the file +ydoc/index.html+. + # Introduction This is the 10gen-supported Ruby driver for [MongoDB](http://www.mongodb.org). @@ -300,15 +314,6 @@ If you want to test replica set, you can run the following task: $ rake test:rs -# Documentation - -This documentation is available online at [http://api.mongodb.org/ruby](http://api.mongodb.org/ruby). You can -generate the documentation if you have the source by typing - - $ rake ydoc - -Then open the file +ydoc/index.html+. - # Release Notes See HISTORY. diff --git a/bench/exp_series.html b/bench/exp_series.html index 00db393..c71b3a7 100644 --- a/bench/exp_series.html +++ b/bench/exp_series.html @@ -18,13 +18,18 @@ width:800px; height:400px; } + div.hidden { + //display: none; //visibility: hidden; // to collapse, use display: none + }

Exp Series Performance Tests

x-axis is power of 2, log base 2 of size
- y-axis is operations per user-time CPU-second
- Note that this is not operations per real-time second that include DB real-time
+ y-axis is "document" operations per second, ex., total document insertions per second
+
+ For measuring Ruby driver performance, we are interested primarily in the "user" CPU time.
+ The "user" time is the time used by the Ruby driver, typically much less than real time.
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+{"base":2,"power":12,"size":4096,"exp2":12,"multi_power":-1,"multi_size":1,"generator":"hash_nest_fixnum","operation":"insert_safe","iterations":52,"utime":9.83,"rtime":10.51,"ut_ops":5.3,"rt_ops":4.9,"ut_usec":189038.5,"rt_usec":202058.7,"etime":0.74,"mode":"ruby","hostname":"osprey","osname":"Darwin","date":"20120503-1357","tag":"base_ruby"}, +{"base":2,"power":13,"size":8192,"exp2":13,"multi_power":-1,"multi_size":1,"generator":"hash_nest_fixnum","operation":"insert_safe","iterations":25,"utime":9.87,"rtime":10.49,"ut_ops":2.5,"rt_ops":2.4,"ut_usec":394800.0,"rt_usec":419514.0,"etime":0.95,"mode":"ruby","hostname":"osprey","osname":"Darwin","date":"20120503-1357","tag":"base_ruby"}, +{"base":2,"power":14,"size":16384,"exp2":14,"multi_power":-1,"multi_size":1,"generator":"hash_nest_fixnum","operation":"insert_safe","iterations":11,"utime":9.43,"rtime":10.09,"ut_ops":1.2,"rt_ops":1.1,"ut_usec":857272.7,"rt_usec":916834.3,"etime":1.42,"mode":"ruby","hostname":"osprey","osname":"Darwin","date":"20120503-1357","tag":"base_ruby"}, +{"base":2,"power":15,"size":32768,"exp2":15,"multi_power":-1,"multi_size":1,"generator":"hash_nest_fixnum","operation":"insert_safe","iterations":5,"utime":8.41,"rtime":9.06,"ut_ops":0.6,"rt_ops":0.6,"ut_usec":1682000.0,"rt_usec":1811763.5,"etime":2.77,"mode":"ruby","hostname":"osprey","osname":"Darwin","date":"20120503-1357","tag":"base_ruby"} ]; diff --git a/bench/exp_series.rb b/bench/exp_series.rb index 79bcb34..71b01ff 100644 --- a/bench/exp_series.rb +++ b/bench/exp_series.rb @@ -26,7 +26,7 @@ $calibration_runtime = 0.1 $target_runtime = 5.0 $db_name = 'benchmark' $collection_name = 'exp_series' -$mode = set_mode('ruby') +$mode = set_mode('c') $hostname = `uname -n`[/([^.]*)/,1] $osname = `uname -s`.strip $tag = `git log -1 --format=oneline`.split[0] @@ -34,7 +34,7 @@ $date = Time.now.strftime('%Y%m%d-%H%M') options_with_help = [ [ '--help', '-h', GetoptLong::NO_ARGUMENT, '', 'show help' ], - [ '--mode', '-m', GetoptLong::OPTIONAL_ARGUMENT, ' mode', 'set mode to "c" or "ruby" (default)' ], + [ '--mode', '-m', GetoptLong::OPTIONAL_ARGUMENT, ' mode', 'set mode to "c" or "ruby" (c)' ], [ '--tag', '-t', GetoptLong::OPTIONAL_ARGUMENT, ' tag', 'set tag for run, default is git commit key' ] ] options = options_with_help.collect{|option|option[0...3]} @@ -88,13 +88,6 @@ class TestExpPerformance < Test::Unit::TestCase return Array.new(base, array_nest(base, level - 1, obj)) end - def hash_nest(base, level, obj) - return obj if level == 0 - h = Hash.new - (0...base).each{|i| h[i.to_s] = hash_nest(base, level - 1, obj)} - return h - end - def test__array_nest assert_equal(1, array_nest(2,0,1)) assert_equal([1, 1], array_nest(2,1,1)) @@ -107,6 +100,13 @@ class TestExpPerformance < Test::Unit::TestCase assert_equal([1, 1, 1, 1, 1, 1, 1, 1], array_nest(8,1,1)) end + def hash_nest(base, level, obj) + return obj if level == 0 + h = Hash.new + (0...base).each{|i| h[i.to_s] = hash_nest(base, level - 1, obj)} + return h + end + def test__hash_nest assert_equal(1, hash_nest(2, 0, 1)) assert_equal({"0"=>1, "1"=>1}, hash_nest(2, 1, 1)) @@ -123,6 +123,25 @@ class TestExpPerformance < Test::Unit::TestCase assert_equal({"0"=>1, "1"=>1, "2"=>1, "3"=>1, "4"=>1, "5"=>1, "6"=>1, "7"=>1}, hash_nest(8,1,1)) end + def multi_doc(multi_power, doc) + return doc if multi_power == -1 + return (2 ** multi_power).times.collect{doc.dup} + end + + def test_multi_doc + doc = {'a' => 1} + assert_equal({"a"=>1}, multi_doc(-1, doc)) + assert_equal([{"a"=>1}], multi_doc(0, doc)) + assert_equal([{"a"=>1}, {"a"=>1}], multi_doc(1, doc)) + assert_equal([{"a"=>1}, {"a"=>1}, {"a"=>1}, {"a"=>1}], multi_doc(2, doc)) + assert_equal(8, multi_doc(3, doc).size) + assert_equal(16, multi_doc(4, doc).size) + assert_equal(32, multi_doc(5, doc).size) + mdoc = multi_doc(2, doc) + mdoc[0]['b'] = 2 + assert_equal([{"a"=>1, "b"=>2}, {"a"=>1}, {"a"=>1}, {"a"=>1}], mdoc, 'non-dup doc will fail for insert many safe') + end + # Performance Tuning Engineering ## Completed ### How to measure and compare pure Ruby versus C extension performance @@ -167,7 +186,7 @@ class TestExpPerformance < Test::Unit::TestCase # consider inserting the results into a database collection # Test::Unit::TestCase pollutes STDOUT, so write to a file File.open("exp_series-#{$date}-#{$tag}.js", 'w+'){|f| - f.puts("#{@results.to_json.gsub(/\[/, "").gsub(/(}[\],])/, "},\n")}") unless @results.empty? + f.puts(@results.to_json.gsub(/\[/, "").gsub(/}[\],]/, "},\n")) unless @results.empty? } @conn.drop_database($db_name) end @@ -206,34 +225,46 @@ class TestExpPerformance < Test::Unit::TestCase return [iterations, utime, rtime, etime] end - def power_test(base, max_power, db, coll, generator, setup, operation, teardown) + def power_test(args) + base, max_power, multi, generator, setup, operation, teardown = args + generator, setup, operation, teardown = method(generator), method(setup), method(operation), method(teardown) return (0..max_power).collect do |power| - size, doc = generator.call(base, power) - iterations, utime, rtime, etime = valuate(db, coll, doc, setup, teardown) { operation.call(coll, doc) } - result = { - 'base' => base, - 'power' => power, - 'size' => size, - 'exp2' => Math.log2(size).to_i, - 'generator' => generator.name.to_s, - 'operation' => operation.name.to_s, - 'iterations' => iterations, - 'utime' => utime.round(2), - 'etime' => etime.round(2), - 'rtime' => rtime.round(2), - 'ops' => (iterations.to_f / utime.to_f).round(1), - 'usec' => (1000000.0 * utime.to_f / iterations.to_f).round(1), - 'mode' => $mode, - 'hostname' => $hostname, - 'osname' => $osname, - 'date' => $date, - 'tag' => $tag, - # 'nbench-int' => nbench.int, # thinking - } - STDERR.puts result.inspect - STDERR.flush - result - end + multi_start, multi_end = (multi == -1) ? [-1, -1] : [0, multi] + (multi_start..multi_end).collect do |multi_power| + size, doc = generator.call(base, power) + doc = multi_doc(multi_power, doc) + multi_size = (doc.class == Array) ? doc.size : 1; + iterations, utime, rtime, etime = valuate(@db, @coll, doc, setup, teardown) { operation.call(@coll, doc) } + multi_iterations = multi_size.to_f * iterations.to_f + result = { + 'base' => base, + 'power' => power, + 'size' => size, + 'exp2' => Math.log2(size).to_i, + 'multi_power' => multi_power, + 'multi_size' => multi_size, + 'generator' => generator.name.to_s, + 'operation' => operation.name.to_s, + 'iterations' => iterations, + 'utime' => utime.round(2), + 'rtime' => rtime.round(2), + 'ut_ops' => (multi_iterations / utime.to_f).round(1), + 'rt_ops' => (multi_iterations / rtime.to_f).round(1), + 'ut_usec' => (1000000.0 * utime.to_f / multi_iterations).round(1), + 'rt_usec' => (1000000.0 * rtime.to_f / multi_iterations).round(1), + 'etime' => etime.round(2), + 'mode' => $mode, + 'hostname' => $hostname, + 'osname' => $osname, + 'date' => $date, + 'tag' => $tag, + # 'nbench-int' => nbench.int, # thinking + } + STDERR.puts result.inspect + STDERR.flush + result + end + end.flatten end def value_string_size(base, power) @@ -277,19 +308,27 @@ class TestExpPerformance < Test::Unit::TestCase end def cursor_setup(db, coll, doc, iterations) - (0...(iterations - coll.size)).each{insert(coll, doc)} + (0...(iterations - coll.size)).each{insert(coll, doc)} #TODO - insert many @cursor = coll.find @queries = 1 end + def clear_ids(doc) # delete :_id to really insert, required for safe + if doc.class == Array + doc.each{|d|d.delete(:_id)} + else + doc.delete(:_id) + end + end + def insert(coll, doc) - doc.delete(:_id) # delete :_id to insert + clear_ids(doc) coll.insert(doc) # note that insert stores :_id in doc and subsequent inserts are updates end def insert_safe(coll, doc) - doc.delete(:_id) # delete :_id to insert - coll.insert(doc, :safe => true) # note that insert stores :_id in doc and subsequent inserts are updates + clear_ids(doc) + coll.insert(doc, :safe => true) # note that insert stores :_id in doc and subsequent inserts with :_id are updates end def cursor_next(coll, doc) @@ -317,123 +356,99 @@ class TestExpPerformance < Test::Unit::TestCase end def test_insert - tests = [ - [2, 15, :value_string_size, :null_setup, :insert, :default_teardown], - [2, 15, :key_string_size, :null_setup, :insert, :default_teardown], - [2, 14, :array_size_fixnum, :null_setup, :insert, :default_teardown], - [2, 17, :hash_size_fixnum, :null_setup, :insert, :default_teardown], - [2, 12, :array_nest_fixnum, :null_setup, :insert, :default_teardown], - [4, 6, :array_nest_fixnum, :null_setup, :insert, :default_teardown], - [8, 4, :array_nest_fixnum, :null_setup, :insert, :default_teardown], - [16, 3, :array_nest_fixnum, :null_setup, :insert, :default_teardown], - [32, 2, :array_nest_fixnum, :null_setup, :insert, :default_teardown], - [2, 15, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], - [4, 8, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], - [8, 4, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], - [16, 4, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], - [32, 3, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + [ + [2, 15, -1, :value_string_size, :null_setup, :insert, :default_teardown], + [2, 15, -1, :key_string_size, :null_setup, :insert, :default_teardown], + [2, 14, -1, :array_size_fixnum, :null_setup, :insert, :default_teardown], + [2, 17, -1, :hash_size_fixnum, :null_setup, :insert, :default_teardown], + [2, 12, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [2, 15, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + ].each{|args| @results += power_test(args)} + end + + def test_insert_nest_full + [ + [2, 12, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [4, 6, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [8, 4, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [16, 3, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [32, 2, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [2, 15, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + [4, 8, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + [8, 4, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + [16, 4, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + [32, 3, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + ].each{|args| @results += power_test(args)} + end + + def test_array_fast + [ + [2, 14, -1, :array_size_fixnum, :null_setup, :insert, :default_teardown], + [2, 17, -1, :hash_size_fixnum, :null_setup, :insert, :default_teardown], + [2, 12, -1, :array_nest_fixnum, :null_setup, :insert, :default_teardown], + [2, 15, -1, :hash_nest_fixnum, :null_setup, :insert, :default_teardown], + ].each{|args| @results += power_test(args)} end def test_insert_safe - tests = [ - [2, 15, :value_string_size, :null_setup, :insert_safe, :default_teardown], - [2, 15, :key_string_size, :null_setup, :insert_safe, :default_teardown], - [2, 14, :array_size_fixnum, :null_setup, :insert_safe, :default_teardown], - [2, 17, :hash_size_fixnum, :null_setup, :insert_safe, :default_teardown], - [2, 12, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [4, 6, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [8, 4, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [16, 3, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [32, 2, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [2, 15, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [4, 8, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [8, 4, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [16, 4, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - [32, 3, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + [ + [2, 15, -1, :value_string_size, :null_setup, :insert_safe, :default_teardown], + [2, 15, -1, :key_string_size, :null_setup, :insert_safe, :default_teardown], + [2, 14, -1, :array_size_fixnum, :null_setup, :insert_safe, :default_teardown], + [2, 17, -1, :hash_size_fixnum, :null_setup, :insert_safe, :default_teardown], + [2, 12, -1, :array_nest_fixnum, :null_setup, :insert_safe, :default_teardown], + [2, 15, -1, :hash_nest_fixnum, :null_setup, :insert_safe, :default_teardown], + ].each{|args| @results += power_test(args)} end - def xtest_insert_many - + def test_insert_many + [ + [2, 2, 10, :value_string_size, :null_setup, :insert, :default_teardown], + [2, 14, 10, :hash_size_fixnum, :null_setup, :insert, :default_teardown], + [2, 14, 10, :array_size_fixnum, :null_setup, :insert, :default_teardown], + ].each{|args| @results += power_test(args)} end - def xtest_insert_many_safe - + def test_insert_many_safe + [ + [2, 2, 10, :value_string_size, :null_setup, :insert_safe, :default_teardown], + [2, 14, 10, :hash_size_fixnum, :null_setup, :insert_safe, :default_teardown], + [2, 14, 10, :array_size_fixnum, :null_setup, :insert_safe, :default_teardown], + ].each{|args| @results += power_test(args)} end def test_find - tests = [ - [2, 15, :value_string_size, :cursor_setup, :cursor_next, :cursor_teardown], - [2, 15, :key_string_size, :cursor_setup, :cursor_next, :cursor_teardown], - [2, 14, :array_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [2, 17, :hash_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [2, 12, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [4, 6, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [8, 4, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [16, 3, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [32, 2, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [2, 15, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [4, 8, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [8, 4, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [16, 4, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - [32, 3, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + [ + [2, 15, -1, :value_string_size, :cursor_setup, :cursor_next, :cursor_teardown], + [2, 15, -1, :key_string_size, :cursor_setup, :cursor_next, :cursor_teardown], + [2, 14, -1, :array_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], + [2, 17, -1, :hash_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], + [2, 12, -1, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], + [2, 15, -1, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown], + ].each{|args| @results += power_test(args)} end def test_find_one - tests = [ - [2, 15, :value_string_size, :find_one_setup, :find_one, :default_teardown], - [2, 15, :key_string_size, :find_one_setup, :find_one, :default_teardown], - [2, 14, :array_size_fixnum, :find_one_setup, :find_one, :default_teardown], - [2, 17, :hash_size_fixnum, :find_one_setup, :find_one, :default_teardown], - [2, 12, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [4, 6, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [8, 4, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [16, 3, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [32, 2, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [2, 15, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [4, 8, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [8, 4, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [16, 4, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - [32, 3, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + [ + [2, 15, -1, :value_string_size, :find_one_setup, :find_one, :default_teardown], + [2, 15, -1, :key_string_size, :find_one_setup, :find_one, :default_teardown], + [2, 14, -1, :array_size_fixnum, :find_one_setup, :find_one, :default_teardown], + [2, 17, -1, :hash_size_fixnum, :find_one_setup, :find_one, :default_teardown], + [2, 12, -1, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown], + [2, 15, -1, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown], + ].each{|args| @results += power_test(args)} end def xtest_update - tests = [ + [ # pending - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + ].each{|args| @results += power_test(args)} end def xtest_remove - tests = [ + [ # pending - ] - tests.each do |base, max_power, generator, setup, operation, teardown| - # consider moving 'method' as permitted by scope - @results += power_test(base, max_power, @db, @coll, method(generator), method(setup), method(operation), method(teardown)) - end + ].each{|args| @results += power_test(args)} end # synthesized mix, real-world data pending diff --git a/ext/cbson/cbson.c b/ext/cbson/cbson.c index 1fd4067..a60423b 100644 --- a/ext/cbson/cbson.c +++ b/ext/cbson/cbson.c @@ -139,14 +139,38 @@ static void write_utf8(bson_buffer_t buffer, VALUE string, char check_null) { #define EXTENDED RE_OPTION_EXTENDED #endif -#define ARRAY_KEY_BUFFER_SIZE 10 -// use 8^(ARRAY_KEY_BUFFER_SIZE-1) as CPP safe bounds approximation for limit of 10^(ARRAY_KEY_BUFFER_SIZE-1)-1 -#define ARRAY_KEY_MAX_CPP (1 << (3 * (ARRAY_KEY_BUFFER_SIZE-1))) - +/* TODO we ought to check that the malloc or asprintf was successful + * and raise an exception if not. */ +/* TODO maybe we can use something more portable like vsnprintf instead + * of this hack. And share it with the Python extension ;) */ +/* If we don't have ASPRINTF, there are two possibilities: + * either use _scprintf and _snprintf on for Windows or + * use snprintf for solaris. */ +#ifndef HAVE_ASPRINTF #ifdef _WIN32 || _MSC_VER -#define SNPRINTF _snprintf +#define INT2STRING(buffer, i) \ + { \ + int vslength = _scprintf("%d", i) + 1; \ + *buffer = malloc(vslength); \ + _snprintf(*buffer, vslength, "%d", i); \ + } +#define FREE_INTSTRING(buffer) free(buffer) #else -#define SNPRINTF snprintf +#define INT2STRING(buffer, i) \ + { \ + int vslength = snprintf(NULL, 0, "%d", i) + 1; \ + *buffer = malloc(vslength); \ + snprintf(*buffer, vslength, "%d", i); \ + } +#define FREE_INTSTRING(buffer) free(buffer) +#endif +#else +#define INT2STRING(buffer, i) asprintf(buffer, "%d", i); +#ifdef USING_SYSTEM_ALLOCATOR_LIBRARY /* Ruby Enterprise Edition with tcmalloc */ +#define FREE_INTSTRING(buffer) system_free(buffer) +#else +#define FREE_INTSTRING(buffer) free(buffer) +#endif #endif #ifndef RREGEXP_SRC @@ -277,7 +301,6 @@ static int write_element(VALUE key, VALUE value, VALUE extra, int allow_id) { bson_buffer_position length_location, start_position, obj_length; int items, i; VALUE* values; - char name[ARRAY_KEY_BUFFER_SIZE]; write_name_and_type(buffer, key, 0x04); start_position = bson_buffer_get_position(buffer); @@ -289,14 +312,15 @@ static int write_element(VALUE key, VALUE value, VALUE extra, int allow_id) { } items = RARRAY_LENINT(value); - if (items > ARRAY_KEY_MAX_CPP) - rb_raise(rb_eTypeError, "array size too large"); for(i = 0; i < items; i++) { + char* name; VALUE key; - SNPRINTF(name, ARRAY_KEY_BUFFER_SIZE, "%d", i); + INT2STRING(&name, i); key = rb_str_new2(name); write_element_with_id(key, rb_ary_entry(value, i), pack_extra(buffer, check_keys)); + FREE_INTSTRING(name); } + // write null byte and fill in length SAFE_WRITE(buffer, &zero, 1); obj_length = bson_buffer_get_position(buffer) - start_position;