Module: RbbtMutiplartPayload

Defined in:
lib/rbbt/util/misc/multipart_payload.rb

Constant Summary collapse

BOUNDARY = 
"Rbbt_Param_Stream"
EOL = 
"\r\n"

Class Method Summary collapse

Class Method Details

.add_input(name, content, filename = nil) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 36

def self.add_input(name, content, filename = nil)
  header = input_header(name, filename)
  "--" + BOUNDARY + EOL + header + EOL + content + EOL
end

.add_stream(io, name, content, filename = nil) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 41

def self.add_stream(io, name, content, filename = nil)
  header = input_header(name, filename)
  io.write "--" + BOUNDARY + EOL + header + EOL

  begin
    while c = content.readpartial(Misc::BLOCK_SIZE)
      io.write c
    end
  rescue EOFError
    io.write "\r\n"
  end
end

.close_stream(io) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 54

def self.close_stream(io)
  io.write "--" + BOUNDARY + "--" + EOL + EOL
end

.input_header(name, filename = nil) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 21

def self.input_header(name, filename = nil)

  if filename
    head_text = 'Content-Disposition: form-data; name="' + name + '"; filename="' + filename + '"'
  else
    head_text = 'Content-Disposition: form-data; name="' + name + '"'
  end

  content_transfer_text = "Content-Transfer-Encoding: binary"

  content_type_text = 'Content-Type: text/plain'

  head_text + EOL + content_transfer_text + EOL + content_type_text + EOL
end

.issue(url, inputs = nil, stream_input = nil, stream_io = nil, stream_filename = nil, report_type = false) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 86

def self.issue(url, inputs = nil, stream_input = nil, stream_io = nil, stream_filename = nil, report_type = false)

  uri = URI(url)
  IndiferentHash.setup(inputs)

  if stream_input
    stream_io ||= TSV.get_stream inputs[stream_input]
    stream_filename ||= case inputs[stream_input]
                        when String
                          inputs[stream_input]
                        when File
                          inputs[stream_input].path
                        else
                          'file-rand-' + rand(10000000).to_s
                        end
  end

  post_data_stream = RbbtMutiplartPayload.post_data_stream inputs, stream_input, stream_io, stream_filename

  jobname = inputs["jobname"] 

  req = Net::HTTP::Post.new(uri.path)
  if stream_input
    Log.low "Streaming input #{stream_input.to_s}"
    req.content_type = "multipart/form-data; boundary=" + RbbtMutiplartPayload::BOUNDARY + '; stream=' + stream_input.to_s
    req.body_stream = post_data_stream
  else
    req.content_type = "multipart/form-data; boundary=" + RbbtMutiplartPayload::BOUNDARY
    req.body = post_data_stream.read
  end

  req.add_field "Transfer-Encoding", 'chunked'
  req.add_field "RBBT_ID", (jobname || "No name")
  timeout_minutes = 60
  timeout = 60 * timeout_minutes
  Misc.open_pipe do |sin|
    Net::HTTP.start(uri.hostname, uri.port, :read_timeout => timeout) do |http|
      Log.low "Starting connection for streaming job"
      http.request(req) do |res|
        if Net::HTTPSuccess === res
          url_path = res["RBBT-STREAMING-JOB-URL"]
          if Net::HTTPRedirection === res
            Log.medium "Response recieved REDIRECT: #{ url_path }"
            sin.puts "LOCATION" if report_type
            sin.write res["location"]
          elsif stream_input and url_path
            Log.medium "Response recieved STREAM: #{ url_path }"
            url = URI::HTTP.build(:host => uri.hostname, :port => uri.port, :path => url_path)
            sin.puts "STREAM: #{url.to_s}" if report_type
            Log.medium "Read body: #{ url_path }"
            res.read_body(sin)
            Log.medium "Read body DONE: #{ url_path }"
          else
            Log.medium "Response recieved BULK: #{ url_path }"
            sin.puts "BULK" if report_type
            sin.write res.body
          end
        else
          raise "Error: #{res.code}"
        end
      end
    end
  end
end

.mutex ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 17

def self.mutex
  @@mutex ||= Mutex.new
end

.post_data_stream(inputs = nil, stream_input = nil, stream_io = nil, stream_filename = nil) ⇒ Object 



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# File 'lib/rbbt/util/misc/multipart_payload.rb', line 58

def self.post_data_stream(inputs = nil, stream_input = nil, stream_io = nil, stream_filename = nil)
  Misc.open_pipe do |sin|
    inputs.each do |input,content|
      input = input.to_s
      next if stream_input and input == stream_input.to_s
      content_str = case content
                    when String
                      if Misc.is_filename?(content) and File.exist?(content)
                        File.read(content)
                      else
                        content
                      end
                    when File, IO
                      content.read
                    when nil
                      "nil"
                    else
                      content.to_s
                    end
      str = RbbtMutiplartPayload.add_input(input, content_str)
      sin.write str
    end

    RbbtMutiplartPayload.add_stream(sin, stream_input.to_s, stream_io, stream_filename) if stream_input
    RbbtMutiplartPayload.close_stream(sin)
  end
end