Class: Cosmos::PacketParser

Inherits:
Object show all
Defined in:
lib/cosmos/packets/parsers/packet_parser.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parser) ⇒ PacketParser 



60
61
62
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 60

def initialize(parser)
  @parser = parser
end

Class Method Details

.check_item_data_types(packet) ⇒ Object 



49
50
51
52
53
54
55
56
57
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 49

def self.check_item_data_types(packet)
  packet.sorted_items.each do |item|
    item.check_default_and_range_data_types()
  end
rescue => err
  # Add the target name and packet name to the error message so the user
  # can debug where the error occurred
  raise $!, "#{packet.target_name} #{packet.packet_name} #{$!}", $!.backtrace
end

.parse_command(parser, target_name, commands, warnings) ⇒ Object 



23
24
25
26
27
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 23

def self.parse_command(parser, target_name, commands, warnings)
  parser = PacketParser.new(parser)
  parser.verify_parameters()
  parser.create_command(target_name, commands, warnings)
end

.parse_telemetry(parser, target_name, telemetry, latest_data, warnings) ⇒ Object 



41
42
43
44
45
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 41

def self.parse_telemetry(parser, target_name, telemetry, latest_data, warnings)
  parser = PacketParser.new(parser)
  parser.verify_parameters()
  parser.create_telemetry(target_name, telemetry, latest_data, warnings)
end

Instance Method Details

#create_command(target_name, commands, warnings) ⇒ Object 



69
70
71
72
73
74
75
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 69

def create_command(target_name, commands, warnings)
  packet = create_packet(target_name)
  warning = check_for_duplicate('Command', commands, packet)
  warnings << warning if warning
  commands[packet.target_name] ||= {}
  packet
end

#create_telemetry(target_name, telemetry, latest_data, warnings) ⇒ Object 



77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 77

def create_telemetry(target_name, telemetry, latest_data, warnings)
  packet = create_packet(target_name)
  warning = check_for_duplicate('Telemetry', telemetry, packet)
  warnings << warning if warning

  # Add received time packet items
  item = packet.define_item('RECEIVED_TIMESECONDS', 0, 0, :DERIVED, nil, packet.default_endianness, :ERROR, '%0.6f', ReceivedTimeSecondsConversion.new)
  item.description = 'COSMOS Received Time (UTC, Floating point, Unix epoch)'
  item = packet.define_item('RECEIVED_TIMEFORMATTED', 0, 0, :DERIVED, nil, packet.default_endianness, :ERROR, nil, ReceivedTimeFormattedConversion.new)
  item.description = 'COSMOS Received Time (Local time zone, Formatted string)'
  item = packet.define_item('RECEIVED_COUNT', 0, 0, :DERIVED, nil, packet.default_endianness, :ERROR, nil, ReceivedCountConversion.new)
  item.description = 'COSMOS packet received count'

  unless telemetry[packet.target_name]
    telemetry[packet.target_name] = {}
    latest_data[packet.target_name] = {}
  end
  packet
end

#verify_parameters ⇒ Object 



64
65
66
67
 
# File 'lib/cosmos/packets/parsers/packet_parser.rb', line 64

def verify_parameters
  @usage = "#{@parser.keyword} <TARGET NAME> <PACKET NAME> <ENDIANNESS: BIG_ENDIAN/LITTLE_ENDIAN> <DESCRIPTION (Optional)>"
  @parser.verify_num_parameters(3, 4, @usage)
end