ibnetdiscover.ebnf

ibnetdiscover = header nodes

header = <COMMENT> generated <COMMENT> initiated
generated = <'#'> <SPACE> <'Topology file: generated on '> generated_date <EOL>
generated_date = STRING

initiated = <'#'> <SPACE> initiated_node_guid <SPACE> initiated_port_guid <EOL>
initiated_node_guid = <'Initiated from node '> GUID
initiated_port_guid = <'port '> GUID

nodes = node+
node = <EOL> vend_id dev_id sysimg_guid (ca_guid | switch_guid) node_info ports

vend_id = <'vendid='> HEX <EOL>
dev_id = <'devid='> HEX <EOL>
sysimg_guid = <'sysimgguid='> GUID <EOL>
ca_guid = <'caguid='> GUID <EOL>
switch_guid = <'switchguid='> GUID (<'('> <GUID> <')'>)? <EOL>

<GUID> = <#'(S|H)-'?> HEX

<node_info> = node_type <SPACE>
              node_ports <SPACE>
              <'"'> <GUID> <'"'> <SPACE>
              <'#'> <SPACE>
              node_name
              (  <SPACE>
                 node_class <SPACE>
                 'port 0' <SPACE>
                 node_lid <SPACE>
                 node_lmc
              )? EOL


node_type = #'(Ca|Switch)'
node_name = <'"'> #'[^"\r\n]+' <'"'>
node_ports = DIGITS
node_lid = LID
node_lmc = LMC
node_class = #'(base|enhanced)'

ports = port*

port = port_num port_local_guid? <SPACE>
       port_remote_guid port_remote_port <port_local_guid?> <SPACE>
       <'#'>
       (<SPACE> port_local_lid)?
       (<SPACE> port_local_lmc)?
       <SPACE>
       node_name <SPACE>
       port_remote_lid <SPACE>
       port_speed <EOL>

port_local_guid = <'('> GUID <')'>
port_num = <'['> DIGITS <']'> 
port_remote_guid = <'"'> GUID <'"'>
port_remote_port = <'['> DIGITS <']'>
port_local_lid = LID
port_local_lmc = LMC
port_remote_lid = LID
port_speed = #'\d+x[A-Z]+'


<LID> = <'lid '> DIGITS
<LMC> = <'lmc '> DIGITS

COMMENT = <'#'> STRING? <EOL>

HEX = #'(0x)?[0-9a-f]+'

SPACE = #'[ \t]+'
WORD = #'[^ \t]+'

<INTEGER> = SIGN? DIGITS
<FLOAT> = SIGN? DIGITS '.' DIGITS? EXPONENT?
<EXPONENT> = 'e' INTEGER

SIGN = '+' | '-'
DIGITS = #'[0-9]+'
STRING = <SPACE*> #'[^\r\n]*[^\r\n \t]' <SPACE*>

<NOT_EOL> = #'[^\r\n]+'
<EOL> = #'(?:\r\n|\r|\n)'