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Added a restart for hosting that kills user processes #14

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Added a restart for hosting that kills user processes #14

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71943c8
Added a restart for hosting that kills user processes
Sustenance Mar 1, 2016
ce745db
Check if PID is actually running.
Sustenance Mar 2, 2016
14a8abf
Move file save to within node_start method, out of routing ladder
Sustenance Mar 2, 2016
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17 changes: 17 additions & 0 deletions node.php
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,9 @@

define("ADMIN_MODE", false); //set to true to allow unsafe operations, set back to false when finished

//set to true for shared hosts that periodically kill user's processes (such as node)
define("RESTART_PROCESS", false);

define("NODE_VER", "v5.7.0");

define("NODE_ARCH", "x" . substr(php_uname("m"), -2)); //x86 or x64
Expand Down Expand Up @@ -72,6 +75,9 @@ function node_start($file) {
$node_pid = exec("PORT=" . NODE_PORT . " " . NODE_DIR . "/bin/node $file >nodeout 2>&1 & echo $!");
echo $node_pid > 0 ? "Done. PID=$node_pid\n" : "Failed.\n";
file_put_contents("nodepid", $node_pid, LOCK_EX);
if($node_pid>0){
file_put_contents('nodestart', $file, LOCK_EX);
}
sleep(1); //Wait for node to spin up
echo file_get_contents("nodeout");
}
Expand Down Expand Up @@ -118,6 +124,17 @@ function node_serve($path = "") {
echo "Node.js is not yet running. Switch to Admin Mode and <a href='?start'>Start it</a>\n";
node_foot();
return;
}elseif($RESTART_PROCESS && $node_pid && !posix_getpgid($node_pid)){
$nodestart = file_get_contents('nodestart');
if($nodestart){
node_start($nodestart);
//wait for node process to start, then retry to node_serve
sleep(5);
node_serve($path);
return;
}
echo "Please switch to Admin Mode and manually restart the server. <a href='?start'>Start it</a>\n";
return;
}
$curl = curl_init("http://127.0.0.1:" . NODE_PORT . "/$path");
curl_setopt($curl, CURLOPT_HEADER, 1);
Expand Down