pictcontrol/log.json at master · cribe78/pictcontrol · GitHub

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<?php
require("sub/head.php");

if ($_SERVER['REQUEST_METHOD'] == 'GET') {
    $idx = 0;
    if (isset($_GET['idx']))
        $idx = $_GET['idx'];

    $select_logs = $mysqli->prepare(
        "select log_id, log_str from log
            where log_id > ?
            and log_id >
            (select max(log_id) - 100 from log)
            order by log_id");

    if (! $select_logs) {
        pclog("prepare select_logs error: {$mysqli->error}");
        jsonResponse($resp);
    }

    $select_logs->bind_param('i', $idx);

    $resp['log'] = array();
    $start_time = time();
    $max_elapsed = 120;

    while (time() - $start_time < $max_elapsed) {
        if (! $select_logs->execute()) {
            pclog("prepare select_logs error: {$mysql->error}");
            jsonResponse($resp);
        }

        $select_logs->bind_result($log_id, $log_str);
        $select_logs->store_result();
        while ($select_logs->fetch()) {
            $resp['log'][] = array( "log_id" => $log_id,
                                    "log_str" => $log_str);
        }

        if (isset($resp['log'][0])) {
            $resp['status'] = 1;
            jsonResponse($resp);
        }
        else {
            usleep(500000);
        }
    }

    $resp['status'] = 1;
    jsonResponse($resp);
}