src/sys/time/httpsdate_time_source/meta/service.cml

// Copyright 2022 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
{
    include: [
        "//src/connectivity/network/lib/net_interfaces/client.shard.cml",
        "//src/lib/fuchsia-hyper/hyper.shard.cml",
        "inspect/client.shard.cml",
        "syslog/client.shard.cml",
    ],
    program: {
        runner: "elf",
        binary: "bin/httpsdate_time_source",
    },
    capabilities: [
        {
            protocol: [ "fuchsia.time.external.PushSource" ],
        },
    ],
    use: [
        {
            protocol: [ "fuchsia.metrics.MetricEventLoggerFactory" ],
            from: "parent",
        },
        {
            directory: "root-ssl-certificates",
            rights: [ "r*" ],
            path: "/config/ssl",
        },
    ],
    expose: [
        {
            protocol: [ "fuchsia.time.external.PushSource" ],
            from: "self",
        },
    ],
    config: {
        // HTTPS request is considered failed after the timeout.
        https_timeout_sec: { type: "uint8" },

        // The ratio between a standard deviation and a final bound size, expressed as a percentage.
        standard_deviation_bound_percentage: { type: "uint8" },

        // How many times longer than a subsequent poll the first poll will take. This encapsulates
        // the additional time required during the first HTTPS request to setup a TLS connection and
        // is used to make a best guess for how long the second call will take.
        first_rtt_time_factor: { type: "uint16" },

        // If enabled, `fuchsia.time.external.PullSource` is provided instead of
        // `fuchsia.time.external.PushSource`.
        use_pull_api: { type: "bool" },

        // Max number fetch attempts for `fuchsia.time.external.Urgency.Low`.
        max_attempts_urgency_low: { type: "uint32" },

        // Number of polls per sample for `fuchsia.time.external.Urgency.Low`.
        num_polls_urgency_low: { type: "uint32" },

        // Max number fetch attempts for `fuchsia.time.external.Urgency.Medium`.
        max_attempts_urgency_medium: { type: "uint32" },

        // Number of polls per sample for `fuchsia.time.external.Urgency.Medium`.
        num_polls_urgency_medium: { type: "uint32" },

        // Max number fetch attempts for `fuchsia.time.external.Urgency.High`.
        max_attempts_urgency_high: { type: "uint32" },

        // Number of polls per sample for `fuchsia.time.external.Urgency.High`.
        num_polls_urgency_high: { type: "uint32" },
    },
}