Class: Gitjour::Browser

Inherits:
Object
  • Object
show all
Defined in:
lib/gitjour/browser.rb

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Browser

Returns a new instance of Browser.



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# File 'lib/gitjour/browser.rb', line 9

def initialize(*args)
  @port = args.shift || 9850
  @browser = args.shift
  @services = Set.new
  @mutex = Mutex.new
end

Instance Method Details

#css ⇒ Object 



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# File 'lib/gitjour/browser.rb', line 89

def css
  @css ||= <<-CSS
    body {
      font-family: sans-serif;
      font-size: 12px;
      background-color: #fff;
    }

    h1 {
      font-size: 20px;
      font-weight: bold;
    }

    ul {
      border: 1px dashed #999;
      padding: 10 10 10 20;
      background-color: #ccc;
    }
  CSS
end

#index(req, res) ⇒ Object 



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# File 'lib/gitjour/browser.rb', line 53

def index(req, res)
  res['Content-Type'] = 'text/html'
  res.body = index_html.result(binding)
end

#index_html ⇒ Object 



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# File 'lib/gitjour/browser.rb', line 58

def index_html
  @index_html ||= ERB.new(<<-HTML)
    <html>
      <body>
        <head>
          <link rel="stylesheet" href="/style.css" type="text/css" media="screen"/>
          <title>Browseable Git Repositories</title>
        </head>
        <h1>Browseable Git Repositories</h1>
        <ul>
        <% @mutex.synchronize do %>
          <% @services.map do |s| %>
            <li>
              <a href='http://<%= s.host %>:<%= s.port %>' target="_new">
                <%= s.name %>
              </a>
              <%= s.description unless s.description =~ /^Unnamed repository/ %>
            </li>
          <% end %>
        <% end %>
        </ul>
      </body>
    </html>
  HTML
end

#start ⇒ Object 



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# File 'lib/gitjour/browser.rb', line 16

def start
  DNSSD.browse("_http._tcp") do |reply|
    begin
      DNSSD.resolve reply.name, reply.type, reply.domain do |resolve_reply|
        next unless resolve_reply.text_record['gitjour']
        service = GitService.new(reply.name,
                                 resolve_reply.target,
                                 resolve_reply.port,
                                 resolve_reply.text_record['description'].to_s)

        @mutex.synchronize do
          if @services.member? service
            @services.delete service
          else
            @services << service
          end
        end
      end
    rescue ArgumentError # usually a jacked DNS text record
    end
  end

  http = WEBrick::HTTPServer.new(:Port => @port.to_i)
  http.mount_proc("/") { |req, res| index(req, res) }
  http.mount_proc("/style.css") { |req, res| stylesheet(req, res) }
  trap("INT") { http.shutdown }
  t = Thread.new { http.start }

  url = "http://localhost:#{@port}"
  if @browser
    `git web--browse -b '#{@browser}' http://localhost:9850`
  else
    `git web--browse -c "instaweb.browser" http://localhost:9850`
  end
  t.join
end

#stylesheet(req, res) ⇒ Object 



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# File 'lib/gitjour/browser.rb', line 84

def stylesheet(req, res)
  res['Content-Type'] = 'text/css'
  res.body = css
end