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From: Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>
To: mongrel-development-GrnCvJ7WPxnNLxjTenLetw@public.gmane.org
Subject: Re: [PATCH] http11: ~6% performance increase in header parsing
Date: Sat, 8 Mar 2008 14:02:20 -0800	[thread overview]
Message-ID: <20080308220220.GA27749@mayonaise> (raw)
In-Reply-To: <b6f68fc60803080014x3241d9b0n6430c5ec93f7ea2d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Evan Weaver <evan-72XWLPH10WVXUHR/Jj/Uug@public.gmane.org> wrote:
> Upgrading ragel is fine with me.

Here's my work-in-progress.  The changes below are pretty much copied
from ry's changes in ebb.

I haven't been able to figure out why
test_horrible_queries(HttpParserTest) is failing, so any help here would
be appreciated.

Thanks.

diff --git a/Rakefile b/Rakefile
index f47d7a2..07a89c2 100644
--- a/Rakefile
+++ b/Rakefile
@@ -55,13 +55,15 @@ task :ragel do
   Dir.chdir "ext/http11" do
     target = "http11_parser.c"
     File.unlink target if File.exist? target
-    sh "ragel http11_parser.rl | rlgen-cd -G2 -o #{target}"
+    # sh "ragel http11_parser.rl | rlgen-cd -G2 -o #{target}" # ragel 5.x
+    sh "ragel -G2 http11_parser.rl" # ragel 6.0
     raise "Failed to build C source" unless File.exist? target
   end
   Dir.chdir "ext/http11" do
     target = "../../ext/http11_java/org/jruby/mongrel/Http11Parser.java"
     File.unlink target if File.exist? target
-    sh "ragel -J http11_parser.java.rl | rlgen-java -o #{target}"
+    # sh "ragel -J http11_parser.java.rl | rlgen-java -o #{target}" # ragel 5.x
+    sh "ragel -J -o #{target} http11_parser.java.rl" # ragel 6.0
     raise "Failed to build Java source" unless File.exist? target
   end
 end
diff --git a/ext/http11/http11_parser.rl b/ext/http11/http11_parser.rl
index a418605..0c4e2d4 100644
--- a/ext/http11/http11_parser.rl
+++ b/ext/http11/http11_parser.rl
@@ -114,7 +114,7 @@ size_t http_parser_execute(http_parser *parser, const char *buffer, size_t len,
   p = buffer+off;
   pe = buffer+len;
 
-  assert(*pe == '\0' && "pointer does not end on NUL");
+  /* assert(*pe == '\0' && "pointer does not end on NUL"); */
   assert(pe - p == len - off && "pointers aren't same distance");
 
 
@@ -130,23 +130,11 @@ size_t http_parser_execute(http_parser *parser, const char *buffer, size_t len,
   assert(parser->field_len <= len && "field has length longer than whole buffer");
   assert(parser->field_start < len && "field starts after buffer end");
 
-  if(parser->body_start) {
-    /* final \r\n combo encountered so stop right here */
-    %%write eof;
-    parser->nread++;
-  }
-
   return(parser->nread);
 }
 
 int http_parser_finish(http_parser *parser)
 {
-  int cs = parser->cs;
-
-  %%write eof;
-
-  parser->cs = cs;
-
   if (http_parser_has_error(parser) ) {
     return -1;
   } else if (http_parser_is_finished(parser) ) {
@@ -161,5 +149,5 @@ int http_parser_has_error(http_parser *parser) {
 }
 
 int http_parser_is_finished(http_parser *parser) {
-  return parser->cs == http_parser_first_final;
+  return parser->cs >= http_parser_first_final;
 }
-- 
Eric Wong

  parent reply	other threads:[~2008-03-08 22:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20080229015309.GA9080@untitled>
     [not found] ` <20080303044659.5a550c19.zedshaw@zedshaw.com>
     [not found]   ` <20080302123712.GA13979@hand.yhbt.net>
     [not found]     ` <20080306075421.GA1583@hand.yhbt.net>
     [not found]       ` <3ae7f4480803060153v18e955a5j9038f93e558f81d1@mail.gmail.com>
     [not found]         ` <3ae7f4480803060153v18e955a5j9038f93e558f81d1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-03-08  8:12           ` Eric Wong
     [not found]             ` <20080308081210.GA30702-r0bfCMRs158eIZ0/mPfg9Q@public.gmane.org>
2008-03-08  8:14               ` Evan Weaver
     [not found]                 ` <b6f68fc60803080014x3241d9b0n6430c5ec93f7ea2d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-03-08 22:02                   ` Eric Wong [this message]
2008-03-24 18:39                     ` Evan Weaver
     [not found]                       ` <b6f68fc60803241139g70b2d8a3v5d01e7472367fb74-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-03-25  3:43                         ` Eric Wong
2008-03-25  4:53                           ` Evan Weaver
     [not found]                             ` <b6f68fc60803242153i65dbb67re6bc9457060ee03f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-03-25  8:13                               ` ry dahl
2008-03-08 12:37               ` Luis Lavena
2008-03-08 17:37               ` ry dahl
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