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BGPmon-Analytics-db-1

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bin/bgpmon_analytics_db_0_pphTables.psql view on Meta::CPAN

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70         collector VARCHAR(30) NOT NULL,
        UNIQUE(addr,collector),
        PRIMARY KEY (dbid)
);
create index peers_n1 on pph.peers (addr,collector);
 
CREATE TABLE pph.ppms (
        dbid SERIAL NOT NULL,
        peer_dbid INTEGER NOT NULL, 
        prefix_dbid INTEGER NOT NULL, 
        last_timerange_dbid INTEGER NULL, 
        prefix_safi INTEGER, 
        PRIMARY KEY (dbid), 
        UNIQUE(prefix_dbid,peer_dbid),
        FOREIGN KEY(peer_dbid) REFERENCES pph.peers (dbid), 
        FOREIGN KEY(prefix_dbid) REFERENCES pph.prefixes (dbid)
);
 
CREATE TABLE pph.timeranges (
        dbid SERIAL NOT NULL, 
        ppm_dbid INTEGER NOT NULL,
        start_time TIMESTAMP WITHOUT TIME ZONE, 
        end_time TIMESTAMP WITHOUT TIME ZONE, 
        last_hop VARCHAR, 
        origin_as VARCHAR, 
        as_path VARCHAR ARRAY,
        PRIMARY KEY (dbid), 
        FOREIGN KEY (ppm_dbid) REFERENCES pph.ppms (dbid)
);

bin/bgpmon_analytics_db_1_pphFunctions.psql view on Meta::CPAN

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25 /*Script to redefine the functions used for the 6watch database
run like so: " > psql -f 1_import_functions dbname dbuser"*/
 
/*Helper function to dynamically generate a peer's table name*/
DROP FUNCTION IF EXISTS pph.generate_peer_table_name(INET,VARCHAR);
DROP FUNCTION IF EXISTS pph.add_or_lookup_peer(INET,VARCHAR);
DROP FUNCTION IF EXISTS pph.add_or_lookup_prefix(CIDR);
DROP FUNCTION IF EXISTS pph.add_or_lookup_ppm(INET,VARCHAR,CIDR);
DROP FUNCTION IF EXISTS pph.add_new_timerange(INET,VARCHAR,CIDR,BOOL,TIMESTAMP,
                                              VARCHAR,VARCHAR,VARCHAR ARRAY);
 
/****************************************************************************** 
 * generate_peer_table_name
 * input: peer and collector
 * output: the name of an individual peer's timerange 
 * effects: 
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.generate_peer_table_name(INET,VARCHAR) 
  RETURNS VARCHAR AS $$
BEGIN
  RETURN 'pph.' || $2 || '_' || host($1);
END;
$$      LANGUAGE plpgsql;
 
/******************************************************************************

bin/bgpmon_analytics_db_1_pphFunctions.psql view on Meta::CPAN

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54 DECLARE
  peer_id INTEGER;
  peer_table VARCHAR;
BEGIN
  SELECT dbid INTO peer_id FROM pph.peers WHERE addr = $1 AND collector = $2;
  IF NOT FOUND THEN
    INSERT INTO pph.peers (addr,collector) VALUES ($1,$2) 
      RETURNING dbid INTO peer_id;
    peer_table := pph.generate_peer_table_name($1,$2);
    EXECUTE 'CREATE TABLE '||quote_ident(peer_table)||
            ' () INHERITS (pph.timeranges)';
    EXECUTE 'CREATE INDEX "'||peer_table||'_start_time_index" ON '||
            quote_ident(peer_table)||' (start_time)';
    EXECUTE 'CREATE INDEX "'||peer_table||'_end_time_index" ON '||
            quote_ident(peer_table)||' (end_time)';
    EXECUTE 'CREATE INDEX "'||peer_table||'_ppm_dbid_index" ON '||
            quote_ident(peer_table)||' (ppm_dbid)';
    EXECUTE 'CREATE INDEX "'||peer_table||'_dbid_index" ON '||
            quote_ident(peer_table)||' (dbid)';
  END IF;
  RETURN peer_id;

bin/bgpmon_analytics_db_1_pphFunctions.psql view on Meta::CPAN

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177                                           (peer_id,prefix_id);
  IF NOT FOUND THEN
  INSERT INTO pph.ppms (peer_dbid,prefix_dbid) VALUES (peer_id,prefix_id) 
    RETURNING dbid INTO ppm_id;
  END IF;
  RETURN ppm_id;
END;
$$      LANGUAGE plpgsql;
 
/****************************************************************************** 
 * add_new_timerange
 * input: peer address, collector name, prefix, ann=true|with=false, timestamp
 *        origin ASN, second to last hop ASN
 * output: dbid of timerange record
 * effects: will add the peer, prefix and ppm if it is not found
$1 INET peer addr
$2 VARHAR peer collector
$3 CIDR prefix
$4 BOOL announce (true) withdraw (false)
$5 TIMESTAMP
$6 INTEGER origin ASN
$7 INTEGER last hop
$8 INTEGER ARRAY as path
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.add_new_timerange(INET,VARCHAR,CIDR,BOOL,
                                             TIMESTAMP, VARCHAR,VARCHAR,
                                             VARCHAR ARRAY) 
RETURNS VOID AS $$
DECLARE
  ppm_id INTEGER;
  peer_table VARCHAR;
  current_timerange INTEGER;
  current_origin_as VARCHAR;
  current_start_time TIMESTAMP;
  current_end_time TIMESTAMP;
  current_last_hop VARCHAR;
  current_as_path VARCHAR ARRAY;
BEGIN
  /*First, check/add the peer, prefix, and ppm into the database*/
  ppm_id := pph.add_or_lookup_ppm($1,$2,$3);
 
  /*Since the ppm is now guaranteed to be there, check if there are any 
    existing timerange records for the ppm and get the peer table's name.*/
  SELECT last_timerange_dbid INTO current_timerange FROM pph.ppms WHERE dbid=ppm_id;
  peer_table := pph.generate_peer_table_name($1,$2);
 
  /* If there are no existing timeranges,
     then add a new one with slightly different
     information depending on whether the message is an annoucement or 
     withdrawl*/
  IF current_timerange IS NULL THEN
    IF $4 = 'TRUE' THEN
      EXECUTE 'INSERT INTO '||quote_ident(peer_table)||
              ' (ppm_dbid,start_time,origin_as,last_hop,as_path) VALUES ('
              ||ppm_id||','''||$5||''','''||$6||''','''||$7||''','||
              quote_literal($8)||') 
      RETURNING dbid' INTO current_timerange;
      UPDATE pph.ppms SET last_timerange_dbid = current_timerange WHERE dbid=ppm_id;
      RETURN;
    ELSE
      RAISE WARNING 
      'Prefix withdrawn without prior announcement: collector:% peer:% prefix:%'
      , $2,$1,$3;
      EXECUTE 'INSERT INTO '||quote_ident(peer_table)||
              ' (ppm_dbid,end_time) VALUES ('||ppm_id||','''||$5||''') 
      RETURNING dbid' INTO current_timerange;
      UPDATE pph.ppms SET last_timerange_dbid = current_timerange WHERE dbid=ppm_id;
      RETURN;
    END IF;
  ELSE
    /* Otherwise, check the end_time of the most recent timerange record.*/
    EXECUTE 'SELECT end_time FROM '||quote_ident(peer_table)||
            ' WHERE dbid = '||current_timerange||'' INTO current_end_time;
    EXECUTE 'SELECT start_time FROM '||quote_ident(peer_table)||
            ' WHERE dbid = '||current_timerange||'' INTO current_start_time;
 
    /*If the end_time is not populated, then the prefix is still active and so 
      either the prefix is being withdrawn, the origin AS is changing, 
      or the announcement is a duplicate.*/
 
    /* check for time travelers*/
    IF $5 < current_end_time OR (current_end_time IS NULL AND 
       $5 < current_start_time) THEN
      IF current_end_time IS NULL THEN
        RAISE WARNING 'Update received out of order: collector:% peer:% prefix:% old_time:% new_time:%',

bin/bgpmon_analytics_db_1_pphFunctions.psql view on Meta::CPAN

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232         $2, $1, $3, current_end_time, $5;
      END IF;
      RETURN;
    END IF;
 
 
    IF current_end_time IS NULL THEN
      /*If the prefix is being withdrawn, then  set the end_time and return.*/
      IF $4 = 'FALSE' THEN
        EXECUTE 'UPDATE '||quote_ident(peer_table)||' SET end_time = '''||$5||
                ''' WHERE dbid = '||current_timerange||'';
        RETURN;
      ELSE
      /*If the message is an announcement, then we have to check the origin 
        ASN and next hop.  If either changes, then we have to close out the old 
        timerange and create a new one.*/
      /*If the ASN and Next Hop are the same, then this is a duplicate 
        announcement, and we can ignore it.*/
        EXECUTE 'SELECT as_path FROM '||quote_ident(peer_table)||
                ' WHERE dbid = ' ||current_timerange||'' INTO current_as_path;
        IF $8 = current_as_path THEN
          RETURN;
        ELSE
          EXECUTE 'UPDATE '||quote_ident(peer_table)||' SET end_time = '''||$5||
                  ''' WHERE dbid = '||current_timerange||'';
          EXECUTE 'INSERT INTO '||quote_ident(peer_table)||
                  ' (ppm_dbid,start_time,origin_as,last_hop,as_path) VALUES ('
                  ||ppm_id||','''||$5||''','''||$6||''','''||$7||''','||
                  quote_literal($8)||') RETURNING dbid' INTO current_timerange;
          UPDATE pph.ppms SET last_timerange_dbid = current_timerange 
                      WHERE dbid=ppm_id;
          RETURN;
        END IF;
      END IF;
    ELSE
    /* If the end-time field IS filled, then either the prefix is being 
       re-announced or this message is a duplicate withdrawal.*/
      IF $4 = 'TRUE' THEN
        EXECUTE 'INSERT INTO '||quote_ident(peer_table)||
                ' (ppm_dbid,start_time,origin_as,last_hop,as_path) VALUES ('
                ||ppm_id||','''||$5||''','''||$6||''','''||$7||''','||
                quote_literal($8)||') RETURNING dbid' INTO current_timerange;
        UPDATE pph.ppms SET last_timerange_dbid = current_timerange 
                    WHERE dbid = ppm_id;
        RETURN;
      ELSE
        RETURN;
      END IF;
    END IF;
  END IF;
END;
$$      LANGUAGE plpgsql;

bin/bgpmon_analytics_db_1_pphFunctions.psql view on Meta::CPAN

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253  * input: 
 * output: dbid 
 * effects: will add the peer, prefix and ppm if it is not found
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.inject_updates() RETURNS INTEGER AS $$
DECLARE
  c_updates CURSOR FOR SELECT * FROM pph.update_import;
 
BEGIN
  FOR update_rec IN c_updates LOOP 
        PERFORM pph.add_new_timerange(update_rec.peer,update_rec.collector,
                update_rec.prefix,update_rec.update,update_rec.ts,
                update_rec.origin,update_rec.lasthop,update_rec.aspath);
  END LOOP;
  truncate pph.update_import;
  RETURN 0;
END;
$$ LANGUAGE plpgsql;

bin/bgpmon_analytics_db_2_pphQueryFuncs.psql view on Meta::CPAN

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43 DROP FUNCTION IF EXISTS pph.get_unique_prefix_growth(INET,VARCHAR,TIMESTAMP,
                                                 TIMESTAMP,INTERVAL);
DROP FUNCTION IF EXISTS pph.get_unique_prefixes_at_time(INET,VARCHAR,TIMESTAMP);
 
 
 
/******************************************************************************
 * find_most_active_prefix
 * input: 
 * output: returns prefix
 * effects: find the prefix withthe most timerange entries (across all peers)
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.find_most_active_prefix() RETURNS CIDR AS $$
DECLARE
  p CURSOR FOR SELECT * FROM pph.prefixes;
  top_pref CIDR;
  top_count INTEGER = 0;
  curr_count INTEGER = 0;
BEGIN
  FOR prefix IN p LOOP
    EXECUTE 'SELECT COUNT(1) 
    FROM pph.timeranges AS t, pph.ppms AS p1, pph.prefixes AS p2
    WHERE p2.pref = '''||prefix.pref||''' AND
        p2.dbid = p1.prefix_dbid AND
        t.ppm_dbid = p1.dbid' INTO curr_count;
    IF curr_count > top_count THEN
        top_count = curr_count;
        top_pref = prefix.pref;
    END IF;
  END LOOP;
  RETURN top_pref;
END;

bin/bgpmon_analytics_db_2_pphQueryFuncs.psql view on Meta::CPAN

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83 /******************************************************************************
 * get_prefixes_per_as
 * input: ASN
 * output: set of prefixes
 * effects: 
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.get_prefixes_per_as(INTEGER) RETURNS SETOF CIDR AS $$
BEGIN
        RETURN QUERY
        SELECT DISTINCT pref
        FROM pph.prefixes AS p1,pph.ppms AS p2,pph.timeranges AS t
        WHERE origin_as = $1 AND
                t.ppm_dbid = p2.dbid AND
                p2.prefix_dbid = p1.dbid;
END;
$$      LANGUAGE plpgsql;
 
/******************************************************************************
 * get_as_per_prefix
 * input: prefix
 * output: set of ASNs
 * effects: 
 ******************************************************************************/
CREATE OR REPLACE FUNCTION pph.get_as_per_prefix(CIDR) RETURNS SETOF INTEGER AS $$
BEGIN
        RETURN QUERY
        SELECT DISTINCT origin_as
        FROM pph.prefixes AS p1,pph.ppms AS p2,pph.timeranges AS t
        WHERE pref = $1 AND
                t.ppm_dbid = p2.dbid AND
                p2.prefix_dbid = p1.dbid;
END;
$$      LANGUAGE plpgsql;
 
/******************************************************************************
 * get_table_growth
 * input: peer address, collector, start, end, timestep
 * output: set of ASNs

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