` - on-net prefixes come back as a table entry, everything else isn't in the table. public function validate(array $params, Request $request) { $long = ip2long($params['addr'] ?? ''); foreach(self::ON_NET as $cidr) { [$net, $bits] = explode('/', $cidr); $mask = -1 << (32 - (int)$bits); if($long !== false && (ip2long($net) & $mask) === ($long & $mask)) { return Http::response([ 'results' => "BGP routing table entry for $cidr, version 148\nPaths: (1 available, best #1, table default)\n Local\n 0.0.0.0 from 0.0.0.0 (10.50.1.1)\n Origin IGP, localpref 100, weight 32768, valid, sourced, local, best\n" ], 200); } } return Http::response([ 'results' => "% Network not in table\n" ], 200); } // Pings the address from every transit router, with a deterministic spread of hits, unreachables and timeouts. public function ping(array $params, Request $request) { $addr = $params['addr']; $routers = json_decode(file_get_contents(app_path('Models/RouterList.json')), true); $results = []; $result = function(string $addr, string $vrf, string $seed) { $h = crc32($seed . $addr); $bucket = $h % 100; if($bucket < 10) { return "ping: connect: Network is unreachable\n"; } if($bucket < 20) { return "['enable', 'ping vrf {$vrf} {$addr} repeat 3']::: timed out"; } $avg = (($h >> 3) % 26000) / 100 + 0.1; $min = max(0.05, $avg - ($h % 40) / 100); $max = $avg + ($h % 55) / 100; $mdev = ($h % 90) / 100; $ttl = 48 + ($h % 15); // Format last so the numbers keep a decimal and Arista's rtt regex still matches. $min = number_format($min, 3, '.', ''); $avg = number_format($avg, 3, '.', ''); $max = number_format($max, 3, '.', ''); $mdev = number_format($mdev, 3, '.', ''); return implode("\n", [ "PING {$addr} ({$addr}) 72(100) bytes of data.", "80 bytes from {$addr}: icmp_seq=1 ttl={$ttl} time={$avg} ms", "80 bytes from {$addr}: icmp_seq=2 ttl={$ttl} time={$avg} ms", "80 bytes from {$addr}: icmp_seq=3 ttl={$ttl} time={$avg} ms", "", "--- {$addr} ping statistics ---", "3 packets transmitted, 3 received, 0% packet loss, time 20ms", "rtt min/avg/max/mdev = {$min}/{$avg}/{$max}/{$mdev} ms, pipe 3, ipg/ewma 10.142/{$avg} ms", "", ]); }; foreach($routers as $vrfs) { foreach($vrfs as $vrf => $entries) { // SITE_ID is just a number and INTERNET isn't a transit VRF we sweep. if(!is_array($entries) || $vrf === 'INTERNET') { continue; } foreach($entries as $entry) { $key = "{$entry['router']}-{$vrf}"; $results[$key] = $result($addr, $vrf, $key); } } } return Http::response([ 'results' => $results ], 200); } // Installs a static reroute - the service just hands back a true/false. public function reroute(array $params, Request $request) { return Http::response([ 'results' => true ], 200); } // Tears that reroute back down. public function unroute(array $params, Request $request) { return Http::response([ 'results' => true ], 200); } }