<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>init_subneg (TelnetFilter)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/network/protocol/telnetfilter.rb, line 307</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">init_subneg</span> <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@init_tries</span> <span class="ruby-operator">></span> <span class="ruby-value">31</span> <span class="ruby-ivar">@init_tries</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-ivar">@wopts</span>.<span class="ruby-identifier">each_key</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">opt</span><span class="ruby-operator">|</span> <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-ivar">@sneg_opts</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">opt</span>) <span class="ruby-comment cmt"># log.debug("(#{@pstack.conn.object_id}) Subnegotiation attempt for option #{opt}.")</span> <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">opt</span> <span class="ruby-keyword kw">when</span> <span class="ruby-constant">TTYPE</span> <span class="ruby-identifier">who</span> = <span class="ruby-identifier">:him</span> <span class="ruby-keyword kw">else</span> <span class="ruby-identifier">who</span> = <span class="ruby-identifier">:us</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">desired?</span>(<span class="ruby-identifier">opt</span>) <span class="ruby-operator">==</span> <span class="ruby-identifier">enabled?</span>(<span class="ruby-identifier">opt</span>, <span class="ruby-identifier">who</span>) <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">opt</span> <span class="ruby-keyword kw">when</span> <span class="ruby-constant">TTYPE</span> <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">SB</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">TTYPE</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">SE</span>.<span class="ruby-identifier">chr</span>) <span class="ruby-keyword kw">when</span> <span class="ruby-constant">ZMP</span> <span class="ruby-identifier">log</span>.<span class="ruby-identifier">info</span>(<span class="ruby-node">"(#{@pstack.conn.object_id}) ZMP successfully negotiated."</span> ) <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-node">"#{IAC.chr}#{SB.chr}#{ZMP.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"zmp.check#{NUL.chr}color.#{NUL.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"#{IAC.chr}#{SE.chr}"</span>) <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-node">"#{IAC.chr}#{SB.chr}#{ZMP.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"zmp.ident#{NUL.chr}TeensyMUD#{NUL.chr}#{Version}#{NUL.chr}A sexy mud server#{NUL.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"#{IAC.chr}#{SE.chr}"</span>) <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-node">"#{IAC.chr}#{SB.chr}#{ZMP.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"zmp.ping#{NUL.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"#{IAC.chr}#{SE.chr}"</span>) <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-node">"#{IAC.chr}#{SB.chr}#{ZMP.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"zmp.input#{NUL.chr}\n I see you support...\n ZMP protocol\n#{NUL.chr}"</span> <span class="ruby-operator">+</span> <span class="ruby-node">"#{IAC.chr}#{SE.chr}"</span>) <span class="ruby-keyword kw">end</span> <span class="ruby-ivar">@sneg_opts</span>.<span class="ruby-identifier">delete</span>(<span class="ruby-identifier">opt</span>) <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@init_tries</span> <span class="ruby-operator">></span> <span class="ruby-value">31</span> <span class="ruby-identifier">log</span>.<span class="ruby-identifier">debug</span>(<span class="ruby-node">"(#{@pstack.conn.object_id}) Telnet init_subneg option - Timed out after #{@init_tries} tries."</span>) <span class="ruby-ivar">@sneg_opts</span> = [] <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">set_initdone</span> <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">terminal</span> <span class="ruby-keyword kw">or</span> <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">terminal</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">terminal</span> = <span class="ruby-value str">"dumb"</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>