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urmic_transcoder
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upadte

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devdatt 2026-01-18 14:02:24 +05:30
parent f7963edb2a
commit 81794a3361
1 changed files with 24 additions and 54 deletions
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78
html/input.php
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@ -7,6 +7,7 @@ if (!file_exists($coreFile)) {
file_put_contents($coreFile, json_encode([])); file_put_contents($coreFile, json_encode([]));
} }
/* Get NUMA topology with PHYSICAL cores only */
function getNumaTopology(): array function getNumaTopology(): array
{ {
$out = shell_exec("numactl --hardware"); $out = shell_exec("numactl --hardware");
@ -17,47 +18,53 @@ function getNumaTopology(): array
$node = (int)$m[1]; $node = (int)$m[1];
$cpus = array_map('intval', preg_split('/\s+/', trim($m[2]))); $cpus = array_map('intval', preg_split('/\s+/', trim($m[2])));
/* use EVEN CPUs only: 0,2,4,... */ // keep even CPUs only (physical cores)
$nodes[$node] = array_values( $cpus = array_values(array_filter($cpus, fn($c) => $c % 2 === 0));
array_filter($cpus, fn($c) => $c % 2 === 0)
); $nodes[$node] = $cpus;
} }
} }
ksort($nodes); // ensure deterministic order ksort($nodes);
return $nodes; return $nodes;
} }
/* Allocate core in strict round-robin */ /* Allocate core: core-index first, node second */
function allocateCore(int $serviceId): array function allocateCore(int $serviceId): array
{ {
global $coreFile; global $coreFile;
$map = json_decode(file_get_contents($coreFile), true) ?: []; $map = json_decode(file_get_contents($coreFile), true) ?: [];
$nodes = getNumaTopology(); $nodes = getNumaTopology();
$nodeIds = array_keys($nodes); $nodeIds = array_keys($nodes);
$nodeCount = count($nodeIds); // ✅ calculated BEFORE processing $nodeCount = count($nodeIds);
if ($nodeCount === 0) { if ($nodeCount === 0) {
return ["node" => 0, "cpu" => 0]; return ["node" => 0, "cpu" => 0];
} }
// total services already allocated
$index = count($map); $index = count($map);
/* Round-robin node selection */ /*
$nodePos = $index % $nodeCount; * ROUND-ROBIN MATH (IMPORTANT)
$node = $nodeIds[$nodePos]; *
* coreIndex = floor(index / nodeCount)
* nodeIndex = index % nodeCount
*/
$coreIndex = intdiv($index, $nodeCount);
$nodeIndex = $index % $nodeCount;
/* Per-node CPU index */ $node = $nodeIds[$nodeIndex];
$cpuIndex = intdiv($index, $nodeCount);
/* Wrap safely if CPUs exhausted */ // wrap core index safely if cores exhausted
if (!isset($nodes[$node][$cpuIndex])) { $coreCount = count($nodes[$node]);
$cpuIndex = $cpuIndex % count($nodes[$node]); if ($coreCount === 0) {
return ["node" => $node, "cpu" => 0];
} }
$cpu = $nodes[$node][$cpuIndex]; $cpu = $nodes[$node][$coreIndex % $coreCount];
$map[$serviceId] = [ $map[$serviceId] = [
"node" => $node, "node" => $node,
@ -88,43 +95,6 @@ function getServiceCore(int $serviceId): ?array
return $map[$serviceId] ?? null; return $map[$serviceId] ?? null;
} }
$jsonFile = __DIR__ . "/input.json";
if (!file_exists($jsonFile)) {
file_put_contents($jsonFile, json_encode([]));
}
$data = json_decode(file_get_contents($jsonFile), true);
/* Fix old entries missing service_name or volume */
foreach ($data as $k => $d) {
if (!isset($d["service_name"])) $data[$k]["service_name"] = "";
if (!isset($d["volume"])) $data[$k]["volume"] = "0";
}
file_put_contents($jsonFile, json_encode($data, JSON_PRETTY_PRINT));
/* ---------------- ADD NEW ---------------- */
if ($_SERVER["REQUEST_METHOD"] === "POST" && $_POST["action"] === "add") {
$new = [
"id" => time(),
"service_name" => $_POST["service_name"],
"input_udp" => $_POST["input_udp"],
"output_udp" => $_POST["output_udp"],
"video_format" => $_POST["video_format"],
"audio_format" => $_POST["audio_format"],
"resolution" => $_POST["resolution"],
"video_bitrate" => $_POST["video_bitrate"],
"audio_bitrate" => $_POST["audio_bitrate"],
"volume" => $_POST["volume"],
"service" => $_POST["service"]
];
$data[] = $new;
file_put_contents($jsonFile, json_encode($data, JSON_PRETTY_PRINT));
$alloc = getServiceCore($id);
if ($alloc === null) {
$alloc = allocateCore($id);
}
$core = (int)$alloc["cpu"]; $core = (int)$alloc["cpu"];
$node = (int)$alloc["node"]; $node = (int)$alloc["node"];