Function getServerStats

src/cm/lsp/serverLauncher.ts:1250–1301

(
  serverId: string,
  timeout = 2000,
)

 * @param timeout - Timeout in milliseconds (default: 2000)
 */
export async function getServerStats(
  serverId: string,
  timeout = 2000,
): Promise<LspServerStatsFormatted | null> {
  const entry = managedServers.get(serverId);
  if (!entry?.port) {
    return null;
  }

  try {
    const controller = new AbortController();
    const timeoutId = setTimeout(() => controller.abort(), timeout);

    const response = await fetch(`http://127.0.0.1:${entry.port}/status`, {
      signal: controller.signal,
    });

    clearTimeout(timeoutId);

    if (!response.ok) {
      return null;
    }

    const data = (await response.json()) as LspServerStats;

    // Aggregate stats from all processes
    let totalMemory = 0;
    let maxUptime = 0;
    let firstPid: number | null = null;

    for (const proc of data.processes || []) {
      totalMemory += proc.memory_bytes || 0;
      if (proc.uptime_secs > maxUptime) {
        maxUptime = proc.uptime_secs;
      }
      if (firstPid === null && proc.pid) {
        firstPid = proc.pid;
      }
    }

    return {
      memoryBytes: totalMemory,
      memoryFormatted: formatMemory(totalMemory),
      uptimeSeconds: maxUptime,
      uptimeFormatted: formatUptime(maxUptime),
      pid: firstPid,
      processCount: data.processes?.length ?? 0,
    };
  } catch {
    return null;
  }
}