# File lib/amq/protocol/frame.rb, line 14 def self.encode(type, payload, channel) raise RuntimeError.new("Channel has to be 0 or an integer in range 1..65535 but was #{channel.inspect}") unless CHANNEL_RANGE.include?(channel) raise RuntimeError.new("Payload can't be nil") if payload.nil? [find_type(type), channel, payload.bytesize].pack(PACK_CHAR_UINT16_UINT32) + payload.bytes.to_a.pack(SIMPLE_BYTE_PACK) + FINAL_OCTET end