src/diagnostics/config/triage/detect/wlan-detect.triage

{
    select: {
        disconnects: "INSPECT:wlanstack.cmx:root/client_stats/disconnect/*:@time",
        connected_durations: "INSPECT:wlanstack.cmx:root/client_stats/disconnect/*:connected_duration",
        scan_failures: "INSPECT:wlanstack.cmx:root/client_stats/scan_failures/*:@time",
    },
    eval: {
        last_24_hours: "Fn([time], time > Now() - Hours(24))",
        n_disconnects_today: "Count(Filter(last_24_hours, disconnects))",
        n_scan_failures_today: "Count(Filter(last_24_hours, scan_failures))",

        // Preamble of functions to support filtering one list by the contents of another.
        identity_two: "Fn([a, b], [a, b])",
        Zip: "Fn([x, y], Map(identity_two, x, y))",
        first: "Fn([tuple], Apply(Fn([f, s], f), tuple))",
        second: "Fn([tuple], Apply(Fn([f, s], s), tuple))",

        // Filter connected_durations to only contain connected_durations in the last 24 hours.
        disconnects_today_indicator: "Map(last_24_hours, disconnects)",
        connected_durations_today: "Map(second, Filter(first, Apply(Zip, [disconnects_today_indicator, connected_durations])))",
        avg_connected_duration_today: "Fold(Fn([acc, next], acc + next), connected_durations_today, 0) / n_disconnects_today",
    },
    act: {
        too_many_disconnects: {
            type: "Snapshot",
            trigger: "n_disconnects_today >= 5",
            repeat: "Hours(24)",
            signature: "five-disconnects-today",
        },
        too_many_scan_failures: {
            type: "Snapshot",
            trigger: "n_scan_failures_today >= 4",
            repeat: "Hours(24)",
            signature: "four-scan-failures-today",
        },
        low_connected_duration: {
            type: "Snapshot",
            trigger: "And(avg_connected_duration_today <= Hours(3), n_disconnects_today == 1)",
            repeat: "Hours(24)",
            signature: "less-than-three-hours-connected-today",
        },
        low_avg_connected_duration: {
            type: "Snapshot",
            trigger: "And(avg_connected_duration_today <= Hours(3), n_disconnects_today > 1)",
            repeat: "Hours(24)",
            signature: "avg-less-than-three-hours-connected-today",
        },
    },
    test: {
        too_many_disconnects: {
            yes: [
                "too_many_disconnects",
            ],
            no: [],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13, these numbers are within the last day.
                disconnects: [
                    9e13,
                    10e13,
                    11e13,
                    12e13,
                    13e13,
                ],
            },
        },
        not_enough_recent_disconnects: {
            yes: [],
            no: [
                "too_many_disconnects",
            ],
            now: "Hours(48)",
            values: {
                disconnects: [
                    8e13,
                    10e13,
                    11e13,
                    12e13,
                    13e13,
                ],
            },
        },
        too_many_scan_failures: {
            yes: [
                "too_many_scan_failures",
            ],
            no: [],
            now: "Hours(48)",
            values: {
                scan_failures: [
                    9e13,
                    10e13,
                    11e13,
                    12e13,
                ],
            },
        },
        not_enough_recent_scan_failures: {
            yes: [],
            no: [
                "too_many_scan_failures",
            ],
            now: "Hours(48)",
            values: {
                scan_failures: [
                    8e13,
                    10e13,
                    11e13,
                    12e13,
                ],
            },
        },
        one_low_connected_duration: {
            yes: [
                "low_connected_duration",
            ],
            no: [
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    9e13,
                ],
                connected_durations: [
                    1e9,
                ],
            },
        },
        multiple_low_connected_duration: {
            yes: [
                "low_avg_connected_duration",
            ],
            no: [
                "low_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    9e13,
                    10e13,
                ],
                connected_durations: [
                    3600e9,
                    12000e9,
                ],
            },
        },
        recent_one_low_connected_duration: {
            yes: [
                "low_connected_duration",
            ],
            no: [
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    1e13,
                    9e13,
                ],
                connected_durations: [
                    1e9,
                    1e9,
                ],
            },
        },
        recent_multiple_low_connected_duration: {
            yes: [
                "low_avg_connected_duration",
            ],
            no: [
                "low_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    1e13,
                    9e13,
                    10e13,
                ],
                connected_durations: [
                    20000e9,
                    3600e9,
                    12000e9,
                ],
            },
        },
        no_connected_duration: {
            yes: [],
            no: [
                "low_connected_duration",
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                disconnects: [],
                connected_durations: [],
            },
        },
        no_recent_one_low_connected_duration: {
            yes: [],
            no: [
                "low_connected_duration",
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    1e13,
                ],
                connected_durations: [
                    1e9,
                ],
            },
        },
        one_high_connected_duration: {
            yes: [],
            no: [
                "low_connected_duration",
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    9e13,
                ],
                connected_durations: [
                    86400e9,
                ],
            },
        },
        multiple_high_connected_durations: {
            yes: [],
            no: [
                "low_connected_duration",
                "low_avg_connected_duration",
            ],
            now: "Hours(48)",
            values: {
                // A day's worth of nanoseconds is 8.64e13.
                disconnects: [
                    9e13,
                    10e13,
                ],
                connected_durations: [
                    7200e9,
                    15000e9,
                ],
            },
        },
    },
}