Class: Excon::Connection
- Inherits:
-
Object
- Object
- Excon::Connection
- Defined in:
- lib/excon/connection.rb,
lib/excon/connection.rb
Instance Method Summary collapse
-
#initialize(url) ⇒ Connection
constructor
A new instance of Connection.
- #request(params) ⇒ Object
Constructor Details
#initialize(url) ⇒ Connection
Returns a new instance of Connection.
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# File 'lib/excon/connection.rb', line 6 def initialize(url) @uri = URI.parse(url) Thread.current[:_excon_connections] ||= {} end |
Instance Method Details
#request(params) ⇒ Object
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# File 'lib/excon/connection.rb', line 11 def request(params) begin params[:path] ||= '' unless params[:path][0..0] == '/' params[:path] = "/#{params[:path]}" end if params[:query] && !params[:query].empty? params[:path] << "?#{params[:query]}" end request = "#{params[:method]} #{params[:path]} HTTP/1.1\r\n" params[:headers] ||= {} params[:headers]['Host'] = params[:host] || @uri.host if params[:body] && !params[:headers]['Content-Length'] params[:headers]['Content-Length'] = params[:body].length end for key, value in params[:headers] request << "#{key}: #{value}\r\n" end request << "\r\n" connection.write(request) if params[:body] if params[:body].is_a?(String) connection.write(params[:body]) else while chunk = params[:body].read(CHUNK_SIZE) connection.write(chunk) end end end response = Excon::Response.new response.status = connection.readline[9..11].to_i while true data = connection.readline.chop! unless data.empty? key, value = data.split(': ') response.headers[key] = value else break end end unless params[:method] == 'HEAD' block = if !params[:block] || (params[:expects] && ![*params[:expects]].include?(response.status)) response.body = '' lambda { |chunk| response.body << chunk } else params[:block] end if response.headers['Content-Length'] remaining = response.headers['Content-Length'].to_i while remaining > 0 block.call(connection.read([CHUNK_SIZE, remaining].min)) remaining -= CHUNK_SIZE end elsif response.headers['Transfer-Encoding'] == 'chunked' while true chunk_size = connection.readline.chop!.to_i(16) chunk = connection.read(chunk_size + 2).chop! # 2 == "/r/n".length if chunk_size > 0 block.call(chunk) else break end end elsif response.headers['Connection'] == 'close' block.call(connection.read) Thread.current[:_excon_connections][@uri.to_s] = nil end end rescue => connection_error Thread.current[:_excon_connections][@uri.to_s] = nil raise(connection_error) end if params[:expects] && ![*params[:expects]].include?(response.status) Thread.current[:_excon_connections][@uri.to_s] = nil raise(Excon::Errors.status_error(params, response)) else response end rescue => request_error if params[:idempotent] && (!request_error.is_a?(Excon::Errors::Error) || response.status != 404) retries_remaining ||= 4 retries_remaining -= 1 if retries_remaining > 0 retry end else raise(request_error) end end |