382 lines
14 KiB
Rust
382 lines
14 KiB
Rust
use std::process::Command;
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use maud::{html, Markup, PreEscaped};
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use peach_lib::{config_manager, dyndns_client, oled_client};
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use peach_stats::{
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stats,
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stats::{CpuStatPercentages, MemStat},
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};
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use crate::{templates, utils::theme};
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// ROUTE: /status
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/// Query systemd to determine the state of the networking service.
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fn retrieve_networking_state() -> Option<String> {
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// call: `systemctl show networking.service --no-page`
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let networking_service_output = Command::new("systemctl")
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.arg("show")
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.arg("networking.service")
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.arg("--no-page")
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.output()
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.ok()?;
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let service_info = std::str::from_utf8(&networking_service_output.stdout).ok()?;
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// find the line starting with "ActiveState=" and return the value
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service_info
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.lines()
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.find(|line| line.starts_with("ActiveState="))
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.and_then(|line| line.strip_prefix("ActiveState="))
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.map(|state| state.to_string())
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}
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/// Query systemd to determine the state of the sbot service.
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fn retrieve_sbot_state() -> Option<String> {
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// retrieve the name of the go-sbot service or set default
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let go_sbot_service = config_manager::get_config_value("GO_SBOT_SERVICE")
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.unwrap_or_else(|_| "go-sbot.service".to_string());
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let sbot_service_output = Command::new("systemctl")
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.arg("show")
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.arg(go_sbot_service)
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.arg("--no-page")
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.output()
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.ok()?;
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let service_info = std::str::from_utf8(&sbot_service_output.stdout).ok()?;
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// find the line starting with "ActiveState=" and return the value
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service_info
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.lines()
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.find(|line| line.starts_with("ActiveState="))
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.and_then(|line| line.strip_prefix("ActiveState="))
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.map(|state| state.to_string())
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}
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fn retrieve_device_status_data() -> (Option<u64>, String) {
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let uptime = stats::uptime().ok();
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let oled_ping = match oled_client::ping() {
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Ok(_) => "ONLINE".to_string(),
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Err(_) => "OFFLINE".to_string(),
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};
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(uptime, oled_ping)
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}
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fn retrieve_device_usage_data() -> (Option<CpuStatPercentages>, Option<MemStat>) {
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// convert result to Option<CpuStatPercentages>, discard any error
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let cpu_stat_percent = stats::cpu_stats_percent().ok();
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let mem_stats = stats::mem_stats().ok();
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(cpu_stat_percent, mem_stats)
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}
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fn render_network_capsule() -> Markup {
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let (state, stack_class, img_class) = match retrieve_networking_state() {
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Some(state) if state.as_str() == "active" => {
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("active", "stack capsule border-success", "icon icon-medium")
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}
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Some(state) if state.as_str() == "inactive" => (
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"inactive",
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"stack capsule border-warning",
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"icon icon-inactive icon-medium",
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),
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Some(state) if state.as_str() == "failed" => (
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"failed",
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"stack capsule border-danger",
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"icon icon-inactive icon-medium",
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),
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_ => (
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"error",
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"stack capsule border-danger",
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"icon icon-inactive icon-medium",
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),
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};
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html! {
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(PreEscaped("<!-- PEACH-NETWORK STATUS STACK -->"))
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div class=(stack_class) {
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img id="networkIcon" class=(img_class) alt="Network" title="Networking service status" src="icons/wifi.svg";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Networking" }
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label class="label-small font-near-black" { (state.to_uppercase()) }
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}
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}
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}
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}
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fn render_oled_capsule(state: String) -> Markup {
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let (stack_class, img_class) = match state.as_str() {
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"ONLINE" => ("stack capsule border-success", "icon icon-medium"),
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_ => (
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"stack capsule border-warning",
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"icon icon-inactive icon-medium",
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),
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};
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html! {
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(PreEscaped("<!-- PEACH-OLED STATUS STACK -->"))
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div class=(stack_class) {
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img id="oledIcon" class=(img_class) alt="Display" title="OLED display microservice status" src="icons/lcd.svg";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Display" }
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label class="label-small font-near-black" { (state) }
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}
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}
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}
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}
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fn render_diagnostics_capsule() -> Markup {
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// TODO: write a diagnostics module (maybe in peach-lib)
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let diagnostics_state = "CLEAR";
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html! {
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(PreEscaped("<!-- DIAGNOSTICS AND LOGS STACK -->"))
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div class="stack capsule border-success" {
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img id="statsIcon" class="icon icon-medium" alt="Line chart" title="System diagnostics and logs" src="icons/chart.svg";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Diagnostics" }
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label class="label-small font-near-black" { (diagnostics_state) };
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}
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}
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}
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}
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fn render_dyndns_capsule() -> Markup {
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let (state, stack_class, img_class) = match dyndns_client::is_dns_updater_online() {
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Ok(true) => ("ONLINE", "stack capsule border-success", "icon icon-medium"),
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Ok(false) => (
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"OFFLINE",
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"stack capsule border-warning",
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"icon icon-inactive icon-medium",
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),
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Err(_) => (
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"ERROR",
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"stack capsule border-danger",
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"icon icon-inactive icon-medium",
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),
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};
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html! {
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(PreEscaped("<!-- DYNDNS STATUS STACK -->"))
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div class=(stack_class) {
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img id="dnsIcon" class=(img_class) alt="Dyndns" title="Dyndns status" src="icons/dns.png";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Dyn DNS" }
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label class="label-small font-near-black" { (state) }
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}
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}
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}
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}
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fn render_config_capsule() -> Markup {
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let (state, stack_class, img_class) =
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match config_manager::load_peach_config_from_disc().is_ok() {
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true => ("LOADED", "stack capsule border-success", "icon icon-medium"),
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false => (
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"INVALID",
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"stack capsule border-warning",
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"icon icon-inactive icon-medium",
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),
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};
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html! {
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(PreEscaped("<!-- CONFIG STATUS STACK -->"))
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div class=(stack_class) {
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img id="configIcon" class=(img_class) alt="Config" title="Config status" src="icons/clipboard.png";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Config" }
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label class="label-small font-near-black" { (state) }
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}
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}
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}
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}
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fn render_sbot_capsule() -> Markup {
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let (state, stack_class, img_class) = match retrieve_sbot_state() {
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Some(state) if state.as_str() == "active" => {
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("active", "stack capsule border-success", "icon icon-medium")
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}
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Some(state) if state.as_str() == "inactive" => (
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"inactive",
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"stack capsule border-warning",
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"icon icon-inactive icon-medium",
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),
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Some(state) if state.as_str() == "failed" => (
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"failed",
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"stack capsule border-danger",
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"icon icon-inactive icon-medium",
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),
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_ => (
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"error",
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"stack capsule border-danger",
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"icon icon-inactive icon-medium",
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),
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};
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html! {
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(PreEscaped("<!-- SBOT STATUS STACK -->"))
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div class=(stack_class) {
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img id="sbotIcon" class=(img_class) alt="Sbot" title="Sbot status" src="icons/hermies.svg";
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div class="stack" style="padding-top: 0.5rem;" {
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label class="label-small font-near-black" { "Sbot" }
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label class="label-small font-near-black" { (state.to_uppercase()) }
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}
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}
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}
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}
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fn render_cpu_usage_meter(cpu_usage_percent: Option<CpuStatPercentages>) -> Markup {
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html! {
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@if let Some(cpu_usage) = cpu_usage_percent {
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@let cpu_usage_total = (cpu_usage.nice + cpu_usage.system + cpu_usage.user).round();
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div class="flex-grid" {
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span class="card-text" { "CPU" }
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span class="label-small push-right" { (cpu_usage_total) "%" }
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}
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meter value=(cpu_usage_total) min="0" max="100" title="CPU usage" {
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div class="meter-gauge" {
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span style={ "width: " (cpu_usage_total) "%;" } {
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"CPU Usage"
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}
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}
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}
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} @else {
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p class="card-text" { "CPU usage data unavailable" }
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}
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}
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}
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fn render_mem_usage_meter(mem_stats: Option<MemStat>) -> Markup {
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html! {
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@if let Some(mem) = mem_stats {
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// convert kilobyte values to megabyte values
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@let mem_free_mb = mem.free / 1024;
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@let mem_total_mb = mem.total / 1024;
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@let mem_used_mb = mem.used / 1024;
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// calculate memory usage as a percentage
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@let mem_used_percent = mem_used_mb * 100 / mem_total_mb;
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// render disk free value as megabytes or gigabytes based on size
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@let mem_free_value = if mem_free_mb > 1024 {
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format!("{} GB", (mem_free_mb / 1024))
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} else {
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format!("{} MB", mem_free_mb)
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};
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div class="flex-grid" {
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span class="card-text" { "Memory" }
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span class="label-small push-right" { (mem_used_percent) "% (" (mem_free_value) " free)" }
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}
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meter value=(mem_used_mb) min="0" max=(mem_total_mb) title="Memory usage" {
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div class="meter-gauge" {
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span style={ "width: " (mem_used_percent) "%;" } { "Memory Usage" }
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}
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}
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} @else {
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p class="card-text" { "Memory usage data unavailable" }
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}
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}
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}
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fn render_disk_usage_meter() -> Markup {
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let disk_usage_stats = match stats::disk_usage() {
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Ok(disks) => disks,
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Err(_) => Vec::new(),
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};
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// select only the partition we're interested in: /dev/mmcblk0p2 ("/")
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let disk_usage = disk_usage_stats.iter().find(|disk| disk.mountpoint == "/");
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html! {
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@if let Some(disk) = disk_usage {
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// calculate free disk space in megabytes
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@let disk_free_mb = disk.one_k_blocks_free / 1024;
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// calculate free disk space in gigabytes
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@let disk_free_gb = disk_free_mb / 1024;
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// render disk free value as megabytes or gigabytes based on size
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@let disk_free_value = if disk_free_mb > 1024 {
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format!("{} GB", disk_free_gb)
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} else {
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format!("{} MB", disk_free_mb)
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};
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div class="flex-grid" {
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span class="card-text" { "Disk" }
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span class="label-small push-right" { (disk.used_percentage) "% (" (disk_free_value) " free)" }
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}
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meter value=(disk.used_percentage) min="0" max="100" title="Disk usage" {
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div class="meter-gauge" {
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span style={ "width: " (disk.used_percentage) "%;" } {
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"Disk Usage"
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}
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}
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}
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} @else {
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p class="card-text" { "Disk usage data unavailable" }
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}
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}
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}
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/// Display system uptime in hours and minutes.
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fn render_uptime_capsule(uptime: Option<u64>) -> Markup {
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html! {
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@if let Some(uptime_secs) = uptime {
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@let uptime_mins = uptime_secs / 60;
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@if uptime_mins < 60 {
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// display system uptime in minutes
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p class="capsule center-text" {
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"Uptime: " (uptime_mins) " minutes"
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}
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} @else {
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// display system uptime in hours and minutes
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@let hours = uptime_mins / 60;
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@let mins = uptime_mins % 60;
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p class="capsule center-text" {
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"Uptime: " (hours) " hours, " (mins) " minutes"
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}
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}
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} @else {
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p class="card-text" { "Uptime data unavailable" }
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}
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}
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}
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/// Device status template builder.
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pub fn build_template() -> PreEscaped<String> {
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let (uptime, oled_state) = retrieve_device_status_data();
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let (cpu_usage, mem_usage) = retrieve_device_usage_data();
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let device_status_template = html! {
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(PreEscaped("<!-- DEVICE STATUS CARD -->"))
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div class="card center" {
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div class="card-container" {
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// display status capsules for network, oled and diagnostics
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div class="three-grid" {
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(render_network_capsule())
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(render_oled_capsule(oled_state))
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(render_diagnostics_capsule())
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}
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// display status capsules for dyndns, config and sbot
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div class="three-grid" style="padding-top: 1rem; padding-bottom: 1rem;" {
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(render_dyndns_capsule())
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(render_config_capsule())
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(render_sbot_capsule())
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}
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(render_cpu_usage_meter(cpu_usage))
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(render_mem_usage_meter(mem_usage))
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(render_disk_usage_meter())
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(render_uptime_capsule(uptime))
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}
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}
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};
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let body = templates::nav::build_template(device_status_template, "Device Status", Some("/"));
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let theme = theme::get_theme();
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templates::base::build_template(body, theme)
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}
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