Class: FaultTolerantRequests::GetRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/fault_tolerant_requests/get_request.rb

Instance Method Summary collapse

Constructor Details

#initialize(proxy_ip = false, user_agent = false, debug = false) ⇒ GetRequest

Returns a new instance of GetRequest.



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# File 'lib/fault_tolerant_requests/get_request.rb', line 4

def initialize(proxy_ip = false, user_agent = false, debug = false)
    @proxy_ip = proxy_ip
    @debug = debug
    @user_agent = user_agent
end

Instance Method Details

#do(url, attempts = 15, wait = 15) ⇒ Object 



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# File 'lib/fault_tolerant_requests/get_request.rb', line 10

def do(url, attempts = 15, wait = 15)
    request_count = 0
    while request_count < attempts do
        begin
            options = {}
            options[:proxy] = URI.parse("http://#{@proxy_ip}:3128") if @proxy_ip
            options["User-Agent"] = @user_agent if @user_agent

            puts options if @debug
            puts " + #{url} (#{request_count})" if @debug

            output = URI.open(url, options).read

            puts output if @debug

            # request went through fine
            return output
        rescue OpenURI::HTTPError => p
            puts " --- Attempt #{request_count}: HTTP error!"
            puts "#{ p.inspect }"
            request_count+= 1
            sleep request_count * wait * 2

        rescue Net::ReadTimeout, Net::OpenTimeout, EOFError => e
            # timeout/eof occured, log and sleep
            puts " --- Attempt #{request_count}: timeout error!"
            puts "#{e.inspect}"
            request_count+= 1
            sleep request_count * wait

        rescue OpenSSL::SSL::SSLError => n
            # SSL certificate error
            puts " --- Attempt #{request_count}: SSL error!"
            puts "#{e.inspect}"
            request_count+= 1
            sleep request_count * wait

        end
    end

    # failed, raise an exception and exit, Rollbar will report
    raise StandardError.new "Exceeded timeout/error count while sending API requests"

end