Better error catching in ping node for spawn errors...

This commit is contained in:
Dave Conway-Jones
2018-12-05 13:46:08 +00:00
parent 739e8cd9b6
commit 89d7853891
3 changed files with 19 additions and 3 deletions

View File

@@ -18,6 +18,7 @@ module.exports = function(RED) {
else { node.error("Sorry - your platform - "+plat+" - is not recognised."); }
var res = false;
var line = "";
var fail = false;
//var regex = /from.*time.(.*)ms/;
var regex = /=.*[<|=]([0-9]*).*TTL|ttl..*=([0-9\.]*)/;
ex.stdout.on('data', function (data) {
@@ -26,7 +27,20 @@ module.exports = function(RED) {
//ex.stderr.on('data', function (data) {
//console.log('[ping] stderr: ' + data);
//});
ex.on('error', function (err) {
fail = true;
if (err.code === "ENOENT") {
node.error(err.code + " ping command not found");
}
else if (err.code === "EACCES") {
node.error(err.code + " can't run ping command");
}
else {
node.error(err.code);
}
});
ex.on('close', function (code) {
if (fail) { fail = false; return; }
var m = regex.exec(line)||"";
if (m !== '') {
if (m[1]) { res = Number(m[1]); }