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Code Issues Releases Wiki Activity

Fixed mobile app connections and removed AMT scanner limit.

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This commit is contained in:
Ylian Saint-Hilaire 2018-07-30 14:21:03 -07:00
parent 367a386984
commit a2698e4a57
4 changed files with 64 additions and 12 deletions
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66
amtscanner.js
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@ -108,15 +108,59 @@ module.exports.CreateAmtScanner = function (parent) {
return ((num >> 24) & 0xFF) + '.' + ((num >> 16) & 0xFF) + '.' + ((num >> 8) & 0xFF) + '.' + (num & 0xFF);
}
// Look for all AMT computers that may be locally reachable and poll their presence
/*
// Sample we could use to optimize DNS resolving, may not be needed at all.
obj.BatchResolvePendingMax = 1;
obj.BatchResolvePendingCount = 0;
obj.BatchResolveResults = {};
obj.BatchResolve = function (hostname) {
var r = null;
hostname = hostname.toLowerCase();
if ((hostname == '127.0.0.1') || (hostname == '::1') || (hostname == 'localhost')) return null; // Don't scan localhost
if (obj.net.isIP(hostname) > 0) return hostname; // This is an IP address, already resolved.
if (obj.BatchResolveResults[hostname]) {
if ((obj.BatchResolveResults[hostname].f == 0) || (obj.BatchResolveResults[hostname].f == -1)) {
// Already resolving this one or an error occured during resolve, re-check every 30 minutes.
if (((Date.now() - obj.BatchResolveResults[hostname].t) < 1800000) || (obj.BatchResolvePendingCount >= obj.BatchResolvePendingMax)) { return null; }
} else {
// We are to try to re-resolve every 30 minutes
if (((Date.now() - obj.BatchResolveResults[hostname].t) < 1800000) || (obj.BatchResolvePendingCount >= obj.BatchResolvePendingMax)) { return obj.BatchResolveResults[hostname].a; }
r = obj.BatchResolveResults[hostname].a;
}
}
if (obj.BatchResolvePendingCount >= obj.BatchResolvePendingMax) return null; // Don't resolve more than 10 names at any given time.
console.log('Resolve: ' + hostname);
obj.BatchResolvePendingCount++;
obj.BatchResolveResults[hostname] = { f: 0, t: Date.now() }; // Mark are resolving
obj.dns.lookup(hostname, (err, address, family) => {
obj.BatchResolvePendingCount--;
if (err != null) {
console.log('Resolve error: ' + hostname);
obj.BatchResolveResults[hostname] = { f: -1 }; // Mark this as a resolve error
} else {
console.log('Resolved: %s = %j, family: IPv%s', hostname, address, family);
obj.BatchResolveResults[hostname] = { a: address, f: family, t: Date.now() };
}
});
return r;
}
*/
obj.ResolveName = function (hostname, func) {
if ((hostname == '127.0.0.1') || (hostname == '::1') || (hostname == 'localhost')) { func(hostname, null); } // Don't scan localhost
if (obj.net.isIP(hostname) > 0) { func(hostname, hostname); return; } // This is an IP address, already resolved.
obj.dns.lookup(hostname, function (err, address, family) { if (err == null) { func(hostname, address); } else { func(hostname, null); } });
}
// Look for all Intel AMT computers that may be locally reachable and poll their presence
obj.performScan = function () {
if (obj.active == false) { return false; }
obj.parent.db.getLocalAmtNodes(10, function (err, docs) { // TODO: handler more than 10 computer scan at the same time. DNS resolved may need to be a seperate module.
obj.parent.db.getLocalAmtNodes(function (err, docs) { // TODO: handler more than 10 computer scan at the same time. DNS resolved may need to be a seperate module.
for (var i in obj.scanTable) { obj.scanTable[i].present = false; }
if (err == null && docs.length > 0) {
for (var i in docs) {
var doc = docs[i], host = doc.host.toLowerCase();
if ((host != '127.0.0.1') && (host != '::1') && (host != 'localhost')) { // Don't scan localhost
if ((host != '127.0.0.1') && (host != '::1') && (host.toLowerCase() != 'localhost')) {
var scaninfo = obj.scanTable[doc._id];
if (scaninfo == undefined) {
var tag = obj.nextTag++;
@ -139,13 +183,13 @@ module.exports.CreateAmtScanner = function (parent) {
tag.state = 1;
obj.parent.SetConnectivityState(tag.nodeinfo.meshid, tag.nodeinfo._id, tag.lastpong, 4, 7); // Report power state as "present" (7).
if (version != null) { obj.changeAmtState(tag.nodeinfo._id, version, 2, tag.nodeinfo.intelamt.tls); }
}
}
});
}
}
// Start scanning this node
scaninfo.lastping = Date.now();
obj.checkAmtPresence(doc.host, scaninfo.tag);
obj.checkAmtPresence(host, scaninfo.tag);
}
}
}
@ -161,7 +205,11 @@ module.exports.CreateAmtScanner = function (parent) {
}
// Check the presense of a specific Intel AMT computer using RMCP
obj.checkAmtPresence = function (host, tag) {
obj.checkAmtPresence = function (host, tag) { obj.ResolveName(host, function (hostname, ip) { obj.checkAmtPresenceEx(ip, tag); }); }
// Check the presense of a specific Intel AMT computer using RMCP
obj.checkAmtPresenceEx = function (host, tag) {
if (host == null) return;
var serverid = Math.floor(tag / 255);
var servertag = (tag % 255);
var packet = obj.buildRmcpPing(servertag);
@ -300,8 +348,12 @@ module.exports.CreateAmtScanner = function (parent) {
return false;
}
// Check the presense of a specific Intel AMT computer using RMCP
obj.checkTcpPresence = function (host, port, scaninfo, func) { obj.ResolveName(host, function (hostname, ip) { obj.checkTcpPresenceEx(ip, port, scaninfo, func); }); }
// Check that we can connect TCP to a given port
obj.checkTcpPresence = function (host, port, scaninfo, func) {
obj.checkTcpPresenceEx = function (host, port, scaninfo, func) {
if (host == null) return;
//console.log('checkTcpPresence(' + host + ':' + port + ')');
try {
var client;