AUTOSAR SOME/IP Service Discovery Options: GraphViz block diagram (.dot) source

FormatOptions are used to transport additional information to the entries. This includes forinstance the information how a service instance is reachable (IP-Address, TransportProtocol, Port Number).

KS implementation details

License: CC0-1.0
Minimal Kaitai Struct required: 0.9

This page hosts a formal specification of AUTOSAR SOME/IP Service Discovery Options using Kaitai Struct. This specification can be automatically translated into a variety of programming languages to get a parsing library.

GraphViz block diagram source

some_ip_sd_options.dot

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digraph {
	rankdir=LR;
	node [shape=plaintext];
	subgraph cluster__some_ip_sd_options {
		label="SomeIpSdOptions";
		graph[style=dotted];

		some_ip_sd_options__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
			<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
			<TR><TD PORT="entries_pos">0</TD><TD PORT="entries_size">...</TD><TD>SdOption</TD><TD PORT="entries_type">entries</TD></TR>
			<TR><TD COLSPAN="4" PORT="entries__repeat">repeat to end of stream</TD></TR>
		</TABLE>>];
		subgraph cluster__sd_option {
			label="SomeIpSdOptions::SdOption";
			graph[style=dotted];

			sd_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
				<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
				<TR><TD PORT="header_pos">0</TD><TD PORT="header_size">3</TD><TD>SdOptionHeader</TD><TD PORT="header_type">header</TD></TR>
				<TR><TD PORT="content_pos">3</TD><TD PORT="content_size">...</TD><TD>switch (header.type)</TD><TD PORT="content_type">content</TD></TR>
			</TABLE>>];
sd_option__seq_content_switch [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
	<TR><TD BGCOLOR="#F0F2E4">case</TD><TD BGCOLOR="#F0F2E4">type</TD></TR>
	<TR><TD>:option_types_load_balancing_option</TD><TD PORT="case0">SdLoadBalancingOption</TD></TR>
	<TR><TD>:option_types_configuration_option</TD><TD PORT="case1">SdConfigurationOption</TD></TR>
	<TR><TD>:option_types_ipv4_sd_endpoint_option</TD><TD PORT="case2">SdIpv4SdEndpointOption</TD></TR>
	<TR><TD>:option_types_ipv4_endpoint_option</TD><TD PORT="case3">SdIpv4EndpointOption</TD></TR>
	<TR><TD>:option_types_ipv6_sd_endpoint_option</TD><TD PORT="case4">SdIpv6SdEndpointOption</TD></TR>
	<TR><TD>:option_types_ipv4_multicast_option</TD><TD PORT="case5">SdIpv4MulticastOption</TD></TR>
	<TR><TD>:option_types_ipv6_endpoint_option</TD><TD PORT="case6">SdIpv6EndpointOption</TD></TR>
	<TR><TD>:option_types_ipv6_multicast_option</TD><TD PORT="case7">SdIpv6MulticastOption</TD></TR>
</TABLE>>];
			subgraph cluster__sd_option_header {
				label="SomeIpSdOptions::SdOption::SdOptionHeader";
				graph[style=dotted];

				sd_option_header__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="length_pos">0</TD><TD PORT="length_size">2</TD><TD>u2be</TD><TD PORT="length_type">length</TD></TR>
					<TR><TD PORT="type_pos">2</TD><TD PORT="type_size">1</TD><TD>u1→OptionTypes</TD><TD PORT="type_type">type</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_config_string {
				label="SomeIpSdOptions::SdOption::SdConfigString";
				graph[style=dotted];

				sd_config_string__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="length_pos">0</TD><TD PORT="length_size">1</TD><TD>u1</TD><TD PORT="length_type">length</TD></TR>
					<TR><TD PORT="config_pos">1</TD><TD PORT="config_size">length</TD><TD>SdConfigKvPair</TD><TD PORT="config_type">config</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_config_strings_container {
				label="SomeIpSdOptions::SdOption::SdConfigStringsContainer";
				graph[style=dotted];

				sd_config_strings_container__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="config_strings_pos">0</TD><TD PORT="config_strings_size">...</TD><TD>SdConfigString</TD><TD PORT="config_strings_type">config_strings</TD></TR>
					<TR><TD COLSPAN="4" PORT="config_strings__repeat">repeat to end of stream</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_configuration_option {
				label="SomeIpSdOptions::SdOption::SdConfigurationOption";
				graph[style=dotted];

				sd_configuration_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="configurations_pos">1</TD><TD PORT="configurations_size">(_parent.header.length - 1)</TD><TD>SdConfigStringsContainer</TD><TD PORT="configurations_type">configurations</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv4_multicast_option {
				label="SomeIpSdOptions::SdOption::SdIpv4MulticastOption";
				graph[style=dotted];

				sd_ipv4_multicast_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">4</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">5</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">6</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">7</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv4_sd_endpoint_option {
				label="SomeIpSdOptions::SdOption::SdIpv4SdEndpointOption";
				graph[style=dotted];

				sd_ipv4_sd_endpoint_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">4</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">5</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">6</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">7</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv6_multicast_option {
				label="SomeIpSdOptions::SdOption::SdIpv6MulticastOption";
				graph[style=dotted];

				sd_ipv6_multicast_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">16</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">17</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">18</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">19</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_config_kv_pair {
				label="SomeIpSdOptions::SdOption::SdConfigKvPair";
				graph[style=dotted];

				sd_config_kv_pair__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="key_pos">0</TD><TD PORT="key_size">...</TD><TD>str(term=61, ASCII)</TD><TD PORT="key_type">key</TD></TR>
					<TR><TD PORT="value_pos">...</TD><TD PORT="value_size">⇲</TD><TD>str(ASCII)</TD><TD PORT="value_type">value</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv6_sd_endpoint_option {
				label="SomeIpSdOptions::SdOption::SdIpv6SdEndpointOption";
				graph[style=dotted];

				sd_ipv6_sd_endpoint_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">16</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">17</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">18</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">19</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv4_endpoint_option {
				label="SomeIpSdOptions::SdOption::SdIpv4EndpointOption";
				graph[style=dotted];

				sd_ipv4_endpoint_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">4</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">5</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">6</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">7</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_ipv6_endpoint_option {
				label="SomeIpSdOptions::SdOption::SdIpv6EndpointOption";
				graph[style=dotted];

				sd_ipv6_endpoint_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="address_pos">1</TD><TD PORT="address_size">16</TD><TD></TD><TD PORT="address_type">address</TD></TR>
					<TR><TD PORT="reserved2_pos">17</TD><TD PORT="reserved2_size">1</TD><TD>u1</TD><TD PORT="reserved2_type">reserved2</TD></TR>
					<TR><TD PORT="l4_protocol_pos">18</TD><TD PORT="l4_protocol_size">1</TD><TD>u1</TD><TD PORT="l4_protocol_type">l4_protocol</TD></TR>
					<TR><TD PORT="port_pos">19</TD><TD PORT="port_size">2</TD><TD>u2be</TD><TD PORT="port_type">port</TD></TR>
				</TABLE>>];
			}
			subgraph cluster__sd_load_balancing_option {
				label="SomeIpSdOptions::SdOption::SdLoadBalancingOption";
				graph[style=dotted];

				sd_load_balancing_option__seq [label=<<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
					<TR><TD BGCOLOR="#E0FFE0">pos</TD><TD BGCOLOR="#E0FFE0">size</TD><TD BGCOLOR="#E0FFE0">type</TD><TD BGCOLOR="#E0FFE0">id</TD></TR>
					<TR><TD PORT="reserved_pos">0</TD><TD PORT="reserved_size">1</TD><TD>u1</TD><TD PORT="reserved_type">reserved</TD></TR>
					<TR><TD PORT="priority_pos">1</TD><TD PORT="priority_size">2</TD><TD>u2be</TD><TD PORT="priority_type">priority</TD></TR>
					<TR><TD PORT="weight_pos">3</TD><TD PORT="weight_size">2</TD><TD>u2be</TD><TD PORT="weight_type">weight</TD></TR>
				</TABLE>>];
			}
		}
	}
	some_ip_sd_options__seq:entries_type -> sd_option__seq [style=bold];
	sd_option__seq:header_type -> sd_option_header__seq [style=bold];
	sd_option__seq:content_type -> sd_option__seq_content_switch [style=bold];
	sd_option__seq_content_switch:case0 -> sd_load_balancing_option__seq [style=bold];
	sd_option__seq_content_switch:case1 -> sd_configuration_option__seq [style=bold];
	sd_option__seq_content_switch:case2 -> sd_ipv4_sd_endpoint_option__seq [style=bold];
	sd_option__seq_content_switch:case3 -> sd_ipv4_endpoint_option__seq [style=bold];
	sd_option__seq_content_switch:case4 -> sd_ipv6_sd_endpoint_option__seq [style=bold];
	sd_option__seq_content_switch:case5 -> sd_ipv4_multicast_option__seq [style=bold];
	sd_option__seq_content_switch:case6 -> sd_ipv6_endpoint_option__seq [style=bold];
	sd_option__seq_content_switch:case7 -> sd_ipv6_multicast_option__seq [style=bold];
	sd_option_header__seq:type_type -> sd_option__seq:content_type [color="#404040"];
	sd_config_string__seq:length_type -> sd_config_string__seq:config_size [color="#404040"];
	sd_config_string__seq:config_type -> sd_config_kv_pair__seq [style=bold];
	sd_config_strings_container__seq:config_strings_type -> sd_config_string__seq [style=bold];
	sd_option_header__seq:length_type -> sd_configuration_option__seq:configurations_size [color="#404040"];
	sd_configuration_option__seq:configurations_type -> sd_config_strings_container__seq [style=bold];
}