From 3f1a05a24c46e3ffb7bd95c6f0242fa5846f2ec9 Mon Sep 17 00:00:00 2001
From: Fedor Indutny <fedor@indutny.com>
Date: Fri, 28 Nov 2014 21:40:27 +0300
Subject: [PATCH] benchmark: initial

---
 .gitignore |   1 +
 Makefile   |   8 ++++
 bench.c    | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+)
 create mode 100644 bench.c

diff --git a/.gitignore b/.gitignore
index 594f304..32cb51b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ tags
 test
 test_g
 test_fast
+bench
 url_parser
 parsertrace
 parsertrace_g
diff --git a/Makefile b/Makefile
index 3ce463b..91079af 100644
--- a/Makefile
+++ b/Makefile
@@ -29,10 +29,12 @@ CPPFLAGS_DEBUG = $(CPPFLAGS) -DHTTP_PARSER_STRICT=1
 CPPFLAGS_DEBUG += $(CPPFLAGS_DEBUG_EXTRA)
 CPPFLAGS_FAST = $(CPPFLAGS) -DHTTP_PARSER_STRICT=0
 CPPFLAGS_FAST += $(CPPFLAGS_FAST_EXTRA)
+CPPFLAGS_BENCH = $(CPPFLAGS_FAST)
 
 CFLAGS += -Wall -Wextra -Werror
 CFLAGS_DEBUG = $(CFLAGS) -O0 -g $(CFLAGS_DEBUG_EXTRA)
 CFLAGS_FAST = $(CFLAGS) -O3 $(CFLAGS_FAST_EXTRA)
+CFLAGS_BENCH = $(CFLAGS_FAST) -Wno-unused-parameter
 CFLAGS_LIB = $(CFLAGS_FAST) -fPIC
 
 LDFLAGS_LIB = $(LDFLAGS) -shared
@@ -61,6 +63,12 @@ test_fast: http_parser.o test.o http_parser.h
 test.o: test.c http_parser.h Makefile
 	$(CC) $(CPPFLAGS_FAST) $(CFLAGS_FAST) -c test.c -o $@
 
+bench: http_parser.o bench.o
+	$(CC) $(CFLAGS_BENCH) $(LDFLAGS) http_parser.o bench.o -o $@
+
+bench.o: bench.c http_parser.h Makefile
+	$(CC) $(CPPFLAGS_BENCH) $(CFLAGS_BENCH) -c bench.c -o $@
+
 http_parser.o: http_parser.c http_parser.h Makefile
 	$(CC) $(CPPFLAGS_FAST) $(CFLAGS_FAST) -c http_parser.c
 
diff --git a/bench.c b/bench.c
new file mode 100644
index 0000000..97709ed
--- /dev/null
+++ b/bench.c
@@ -0,0 +1,110 @@
+/* Copyright Fedor Indutny. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include "http_parser.h"
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+
+static const char data[] =
+    "GET /joyent/http-parser HTTP/1.1\r\n"
+    "Host: github.com\r\n"
+    "DNT: 1\r\n"
+    "Accept-Encoding: gzip, deflate, sdch\r\n"
+    "Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4\r\n"
+    "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) "
+        "AppleWebKit/537.36 (KHTML, like Gecko) "
+        "Chrome/39.0.2171.65 Safari/537.36\r\n"
+    "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,"
+        "image/webp,*/*;q=0.8\r\n"
+    "Referer: https://github.com/joyent/http-parser\r\n"
+    "Connection: keep-alive\r\n"
+    "Cache-Control: max-age=0\r\n\r\n";
+static const size_t data_len = sizeof(data) - 1;
+
+static int on_info(http_parser* p) {
+  return 0;
+}
+
+
+static int on_data(http_parser* p, const char *at, size_t length) {
+  return 0;
+}
+
+static http_parser_settings settings = {
+  .on_message_begin = on_info,
+  .on_headers_complete = on_info,
+  .on_message_complete = on_info,
+  .on_header_field = on_data,
+  .on_header_value = on_data,
+  .on_url = on_data,
+  .on_status = on_data,
+  .on_body = on_data
+};
+
+int bench(int iter_count, int silent) {
+  struct http_parser parser;
+  int i;
+  int err;
+  struct timeval start;
+  struct timeval end;
+  float rps;
+
+  if (!silent) {
+    err = gettimeofday(&start, NULL);
+    assert(err == 0);
+  }
+
+  for (i = 0; i < iter_count; i++) {
+    size_t parsed;
+    http_parser_init(&parser, HTTP_REQUEST);
+
+    parsed = http_parser_execute(&parser, &settings, data, data_len);
+    assert(parsed == data_len);
+  }
+
+  if (!silent) {
+    err = gettimeofday(&end, NULL);
+    assert(err == 0);
+
+    fprintf(stdout, "Benchmark result:\n");
+
+    rps = (float) (end.tv_sec - start.tv_sec) +
+          (end.tv_usec - start.tv_usec) * 1e-6f;
+    fprintf(stdout, "Took %f seconds to run\n", rps);
+
+    rps = (float) iter_count / rps;
+    fprintf(stdout, "%f req/sec\n", rps);
+    fflush(stdout);
+  }
+
+  return 0;
+}
+
+int main(int argc, char** argv) {
+  if (argc == 2 && strcmp(argv[1], "infinite") == 0) {
+    for (;;)
+      bench(5000000, 1);
+    return 0;
+  } else {
+    return bench(5000000, 0);
+  }
+}