Module: Skywalking::Plugins::NetHttp::HttpIntercept

Defined in:
lib/skywalking/plugins/net_http.rb

Instance Method Summary collapse

Instance Method Details

#request(req, body = nil, &block) ⇒ Object 



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# File 'lib/skywalking/plugins/net_http.rb', line 20

def request(req, body = nil, &block)
  method = req.method
  host = req['host']&.split(':')&.first || address || 'localhost'
  req_path = URI(req.path)
  req_info = ""
  uri = if req_path.host
          req_path
        else
          path, query = req.path.split('?')
          scheme = use_ssl? ? 'https' : 'http'
          req_info = "#{path}#{query ? "?#{query}" : ''}"
          full_url = "#{scheme}://#{host}#{":#{port}" if port}#{req_info}"
          URI(full_url)
        end

  Tracing::ContextManager.new_exit_span(
    operation: "#{method}:#{req_info}",
    peer: host,
    component: Tracing::Component::HttpClient
  ) do |span|
    span&.tag(Tracing::TagHttpMethod.new(method))
    span&.tag(Tracing::TagHttpURL.new(uri))
    span&.layer = Tracing::Layer::Http

    carrier = span&.inject
    headers = req.instance_variable_get(:@header)
    carrier&.each do |item|
      headers[item.key] ||= []
      headers[item.key].concat(Array(item.value))
    end

    result = super(req, body, &block)
    span&.tag(Tracing::TagHttpStatusCode.new(result.code))
    if result.code >= "400"
      span&.error_occurred = true
    end

    result
  end
end