ruby-list

小松です。

ログが大きいのでだいぶ長くなってしまいました。

In the message of [ruby-list:22045] Re: net/http
    on 2000/4/21 18:48:56 Minero Aoki <aamine@dp.u-netsurf.ne.jp> wrote:
> > ところで、net-1.1.14でこのhttphead.rbを使って、
> >   httphead.rb http://www.ruby-lang.org/ja/index.html
> > を何回か繰り返していると、Errno::EPIPEが上がってきたり
> > こなかったりするのですが、こういうもの？
> > 
> > Proxyのせいかな？
> > 
> > 以下のログを取った時には4回実行して3回失敗しました。
> 
> うーん、とりあえず添付ひとつめのパッチでどうでしょうか？

今度は、EOFErrorも出るようになりました。
いまのところすべて失敗です。

□EOFError例

% httphead.rb http://www.ruby-lang.org/ja/index.html
headers:
 connection: close
 accept-ranges: bytes
 etag: "a6804-16c9-38ffbec3"
 last-modified: Fri, 21 Apr 2000 02:36:51 GMT
 server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)
 content-length: 5833
 date: Fri, 21 Apr 2000 10:19:01 GMT
 content-type: text/html
/usr/local/lib/ruby/1.4/net/protocol.rb:536:in `sysread': End of file reached (EOFError)
	from /usr/local/lib/ruby/1.4/net/protocol.rb:536:in `fill_rbuf'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:481:in `readuntil'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:491:in `readline'
	from /usr/local/lib/ruby/1.4/net/http.rb:608:in `get_reply'
	from /usr/local/lib/ruby/1.4/net/http.rb:489:in `get_response'
	from /usr/local/lib/ruby/1.4/net/http.rb:540:in `get_response_no_body'
	from /usr/local/lib/ruby/1.4/net/http.rb:179:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `connecting'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:236:in `do_finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:177:in `finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:170:in `start'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:79:in `start'
	from httphead.rb:15
% 

□Errno::EPIPE例

% httphead.rb http://www.ruby-lang.org/ja/index.html
headers:
 connection: close
 accept-ranges: bytes
 etag: "a6804-16c9-38ffbec3"
 last-modified: Fri, 21 Apr 2000 02:36:51 GMT
 server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)
 content-length: 5833
 date: Fri, 21 Apr 2000 10:19:09 GMT
 content-type: text/html
/usr/local/lib/ruby/1.4/net/protocol.rb:691:in `write': Broken pipe (Errno::EPIPE)
	from /usr/local/lib/ruby/1.4/net/protocol.rb:691:in `do_write_do'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:561:in `writeline'
	from /usr/local/lib/ruby/1.4/net/http.rb:557:in `request'
	from /usr/local/lib/ruby/1.4/net/http.rb:556:in `each'
	from /usr/local/lib/ruby/1.4/net/http.rb:556:in `request'
	from /usr/local/lib/ruby/1.4/net/http.rb:462:in `head'
	from /usr/local/lib/ruby/1.4/net/http.rb:178:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `connecting'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:236:in `do_finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:177:in `finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:170:in `start'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:79:in `start'
	from httphead.rb:15
% 

> それでもだめな場合は、ふたつめのパッチのように httphead.rb を
> 変更した時の stderr の出力を見せていただけるとわかるかもしれません。

> --- org.httphead.rb	Fri Apr 21 18:26:05 2000
> +++ httphead.rb	Fri Apr 21 18:32:00 2000

このパッチだと、NameErrorになります。

httphead.rb:18: undefined method `head2' for nil (NameError)
	from httphead.rb:17:in `start'
	from httphead.rb:17

こうかな？

--- httphead.rb-22001	Thu Apr 20 00:09:00 2000
+++ httphead.rb	Fri Apr 21 19:39:00 2000
@@ -13,4 +13,6 @@
 proxy = Net::HTTP::Proxy($p_host, $p_port)
+http = proxy.new(host, port)
+http.set_pipe $stderr
 
-proxy.start(host, port) do |http|
+http.start do
   header = http.head2( path )

で、こんな感じです。

□Errno::EPIPE例

% httphead.rb http://www.ruby-lang.org/ja/index.html
write "HEAD http://www.ruby-lang.org/ja/index.html HTTP/1.1\r\n"
write "Accept: */*\r\n"
write "Host: ……\r\n"	← ここは匿名にしてあります
write "Connection: Keep-Alive\r\n"
write "\r\n"
read  "HTTP/1.1 200 OK\r\n"
read  "Date: Fri, 21 Apr 2000 10:33:00 GMT\r\n"
read  "Server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)\r\n"
read  "Last-modified: Fri, 21 Apr 2000 02:36:51 GMT\r\n"
read  "Etag: "a6804-16c9-38ffbec3"\r\n"
read  "Accept-ranges: bytes\r\n"
read  "Content-length: 5833\r\n"
read  "Connection: close\r\n"
read  "Content-type: text/html\r\n"
read  "\r\n"
headers:
 connection: close
 accept-ranges: bytes
 etag: "a6804-16c9-38ffbec3"
 last-modified: Fri, 21 Apr 2000 02:36:51 GMT
 server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)
 content-length: 5833
 date: Fri, 21 Apr 2000 10:33:00 GMT
 content-type: text/html
write "HEAD http://www.ruby-lang.org/ HTTP/1.1\r\n"
/usr/local/lib/ruby/1.4/net/protocol.rb:691:in `write': Broken pipe (Errno::EPIPE)
	from /usr/local/lib/ruby/1.4/net/protocol.rb:691:in `do_write_do'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:561:in `writeline'
	from /usr/local/lib/ruby/1.4/net/http.rb:557:in `request'
	from /usr/local/lib/ruby/1.4/net/http.rb:556:in `each'
	from /usr/local/lib/ruby/1.4/net/http.rb:556:in `request'
	from /usr/local/lib/ruby/1.4/net/http.rb:462:in `head'
	from /usr/local/lib/ruby/1.4/net/http.rb:178:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `connecting'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:236:in `do_finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:177:in `finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:170:in `start'
	from httphead.rb:18
% 

□EOFError例

% httphead.rb http://www.ruby-lang.org/ja/index.html
write "HEAD http://www.ruby-lang.org/ja/index.html HTTP/1.1\r\n"
write "Accept: */*\r\n"
write "Host: ……\r\n"	← ここは匿名にしてあります
write "Connection: Keep-Alive\r\n"
write "\r\n"
read  "HTTP/1.1 200 OK\r\n"
read  "Date: Fri, 21 Apr 2000 10:53:04 GMT\r\n"
read  "Server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)\r\n"
read  "Last-modified: Fri, 21 Apr 2000 02:36:51 GMT\r\n"
read  "Etag: "a6804-16c9-38ffbec3"\r\n"
read  "Accept-ranges: bytes\r\n"
read  "Content-length: 5833\r\n"
read  "Connection: close\r\n"
read  "Content-type: text/html\r\n"
read  "\r\n"
headers:
 connection: close
 accept-ranges: bytes
 etag: "a6804-16c9-38ffbec3"
 last-modified: Fri, 21 Apr 2000 02:36:51 GMT
 server: Apache/1.3.9 (Unix) Debian/GNU mod_ruby/0.1.4 Ruby/1.4.3(1999-12-08)
 content-length: 5833
 date: Fri, 21 Apr 2000 10:53:04 GMT
 content-type: text/html
write "HEAD http://www.ruby-lang.org/ HTTP/1.1\r\n"
write "Accept: */*\r\n"
write "Host: ……\r\n"	← ここは匿名にしてあります
write "Connection: Close\r\n"
write "\r\n"
/usr/local/lib/ruby/1.4/net/protocol.rb:536:in `sysread': End of file reached (EOFError)
	from /usr/local/lib/ruby/1.4/net/protocol.rb:536:in `fill_rbuf'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:481:in `readuntil'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:491:in `readline'
	from /usr/local/lib/ruby/1.4/net/http.rb:608:in `get_reply'
	from /usr/local/lib/ruby/1.4/net/http.rb:489:in `get_response'
	from /usr/local/lib/ruby/1.4/net/http.rb:540:in `get_response_no_body'
	from /usr/local/lib/ruby/1.4/net/http.rb:179:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `connecting'
	from /usr/local/lib/ruby/1.4/net/http.rb:177:in `head2'
	from /usr/local/lib/ruby/1.4/net/http.rb:236:in `do_finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:177:in `finish'
	from /usr/local/lib/ruby/1.4/net/protocol.rb:170:in `start'
	from httphead.rb:18
% 

--
小松克行 / Katsuyuki Komatsu <komatsu@sarion.co.jp>

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