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Contents
# Copyright (c) 2020 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true
module Contrast
module Api
module Communication
# Behavior common to all sockets used
# to communicate with the Contrast Service.
module Socket
SOCKET_MONITOR = Monitor.new
# Send a message across the socket and read back the response.
# @param marshaled [String] some marshaled form of data to be sent across
# the socket. Typically an encoded form of Contrast::Api::Dtm::Message.
# @return [String] some marshalled form of data returned by the socket.
# Typically an encoded form of Contrast::Api::Settings::AgentSettings.
def send_marshaled marshaled
SOCKET_MONITOR.synchronize do
socket = new_socket
# write message length
len = marshaled.length
socket.write([len].pack(Contrast::Api::ENCODING_STRING))
# write the entire message
socket.write(marshaled)
socket.close_write
# read the response length
len = socket.read(4).unpack1(Contrast::Api::ENCODING_STRING)
# read expected response to end
socket.read(len)
end
end
# Override this method to return a socket.
# Should be interface compatible with TCPSocket, UNIXSocket, etc.
def new_socket
raise NoMethodError, 'This is abstract, override it.'
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems