import type { HostResourcesSnapshot } from "@t3tools/contracts"; /** Callers supply only connected machines hosting the project and selected provider. */export function chooseLoadBalancedEnvironment( candidates: ReadonlyArray<{ environmentId: string; resources: HostResourcesSnapshot | null; /** Client receipt time avoids comparing clocks on different machines. */ receivedAt?: number; weight: number; }>, now: number,): string | null { let selected: string | null = null; let bestScore = 0; for (const { environmentId, resources, receivedAt, weight } of candidates) { const sampledAt = receivedAt ?? resources?.sampledAt ?? 0; if ( !resources || !Number.isFinite(weight) || weight <= 0 || now - sampledAt > 15_000 || sampledAt > now + 5_000 || resources.cpuUtilization === null || resources.cpuUtilization >= 0.95 || resources.totalMemoryBytes <= 0 || resources.cpuCount <= 0 ) { continue; } const memoryAvailable = resources.availableMemoryBytes / resources.totalMemoryBytes; if (memoryAvailable <= 0.05) continue; const score = weight * resources.cpuCount * (1 - resources.cpuUtilization) * memoryAvailable; if (score > bestScore) { selected = environmentId; bestScore = score; } } return selected;}
import type { HostResourcesSnapshot } from "@t3tools/contracts";
/** Callers supply only connected machines hosting the project and selected provider. */
export function chooseLoadBalancedEnvironment(
candidates: ReadonlyArray<{
environmentId: string;
resources: HostResourcesSnapshot | null;
/** Client receipt time avoids comparing clocks on different machines. */
receivedAt?: number;
weight: number;
}>,
now: number,
): string | null {
let selected: string | null = null;
let bestScore = 0;
for (const { environmentId, resources, receivedAt, weight } of candidates) {
const sampledAt = receivedAt ?? resources?.sampledAt ?? 0;
if (
!resources ||
!Number.isFinite(weight) ||
weight <= 0 ||
now - sampledAt > 15_000 ||
sampledAt > now + 5_000 ||
resources.cpuUtilization === null ||
resources.cpuUtilization >= 0.95 ||
resources.totalMemoryBytes <= 0 ||
resources.cpuCount <= 0
) {
continue;
}
const memoryAvailable = resources.availableMemoryBytes / resources.totalMemoryBytes;
if (memoryAvailable <= 0.05) continue;
const score = weight * resources.cpuCount * (1 - resources.cpuUtilization) * memoryAvailable;
if (score > bestScore) {
selected = environmentId;
bestScore = score;
}
}
return selected;
}