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internal/meshtastic/generated/*
website/nodes.json

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Copyright (C) 2024 Brian Shea
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.

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FROM golang:latest AS build
WORKDIR /build
COPY go.mod ./
COPY cmd/meshobserv ./
COPY internal ./internal/
RUN go mod tidy
RUN go build -v -o meshobserv
FROM debian:bookworm-slim
COPY --from=build /build/meshobserv /usr/bin/
ENTRYPOINT ["/usr/bin/meshobserv"]

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Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

2
README.md Normal file
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# [MeshMap.net](https://meshmap.net/)
A nearly live map of Meshtastic nodes seen by the official Meshtastic MQTT server

221
cmd/meshobserv/meshobserv.go Normal file
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package main
import (
"errors"
"flag"
"io/fs"
"log"
"os"
"os/signal"
"regexp"
"sync"
"sync/atomic"
"syscall"
"time"
"github.com/brianshea2/meshmap.net/internal/meshtastic"
"github.com/brianshea2/meshmap.net/internal/meshtastic/generated"
"google.golang.org/protobuf/proto"
)
const (
NodeExpiration = 172800 // 2 days
PruneWriteInterval = time.Minute
)
var (
Nodes meshtastic.NodeDB
NodesMutex sync.Mutex
Receiving atomic.Bool
)
func handleMessage(from uint32, topic string, portNum generated.PortNum, payload []byte) {
Receiving.Store(true)
switch portNum {
case generated.PortNum_TEXT_MESSAGE_APP:
log.Printf("[msg] %v (%v) %s: \"%s\"", from, topic, portNum, payload)
case generated.PortNum_POSITION_APP:
var position generated.Position
if err := proto.Unmarshal(payload, &position); err != nil {
log.Printf("[warn] could not parse Position payload from %v on %v: %v", from, topic, err)
return
}
latitude := position.GetLatitudeI()
longitude := position.GetLongitudeI()
precision := position.GetPrecisionBits()
log.Printf("[msg] %v (%v) %s: (%v, %v) %v/32", from, topic, portNum, latitude, longitude, precision)
if latitude == 0 && longitude == 0 {
return
}
NodesMutex.Lock()
if Nodes[from] == nil {
Nodes[from] = meshtastic.NewNode(topic)
}
Nodes[from].UpdatePosition(latitude, longitude, precision)
Nodes[from].UpdateSeenBy(topic)
NodesMutex.Unlock()
case generated.PortNum_NODEINFO_APP:
var user generated.User
if err := proto.Unmarshal(payload, &user); err != nil {
log.Printf("[warn] could not parse User payload from %v on %v: %v", from, topic, err)
return
}
longName := user.GetLongName()
shortName := user.GetShortName()
hwModel := user.GetHwModel().String()
role := user.GetRole().String()
log.Printf("[msg] %v (%v) %s: {\"%v\" \"%v\" %v %v}", from, topic, portNum, longName, shortName, hwModel, role)
if len(longName) == 0 {
return
}
NodesMutex.Lock()
if Nodes[from] == nil {
Nodes[from] = meshtastic.NewNode(topic)
}
Nodes[from].UpdateUser(longName, shortName, hwModel, role)
NodesMutex.Unlock()
case generated.PortNum_TELEMETRY_APP:
var telemetry generated.Telemetry
if err := proto.Unmarshal(payload, &telemetry); err != nil {
log.Printf("[warn] could not parse Telemetry payload from %v on %v: %v", from, topic, err)
return
}
if deviceMetrics := telemetry.GetDeviceMetrics(); deviceMetrics != nil {
batteryLevel := deviceMetrics.GetBatteryLevel()
voltage := deviceMetrics.GetVoltage()
chUtil := deviceMetrics.GetChannelUtilization()
airUtilTx := deviceMetrics.GetAirUtilTx()
uptime := deviceMetrics.GetUptimeSeconds()
log.Printf(
"[msg] %v (%v) %s: DeviceMetrics{power: %v%% (%vV); chUtil: %v%%; airUtilTx: %v%%; uptime: %vs}",
from, topic, portNum, batteryLevel, voltage, chUtil, airUtilTx, uptime,
)
NodesMutex.Lock()
if Nodes[from] == nil {
Nodes[from] = meshtastic.NewNode(topic)
}
Nodes[from].UpdateDeviceMetrics(batteryLevel, voltage, chUtil, airUtilTx, uptime)
NodesMutex.Unlock()
}
case generated.PortNum_NEIGHBORINFO_APP:
var neighborInfo generated.NeighborInfo
if err := proto.Unmarshal(payload, &neighborInfo); err != nil {
log.Printf("[warn] could not parse NeighborInfo payload from %v on %v: %v", from, topic, err)
return
}
nodeNum := neighborInfo.GetNodeId()
neighbors := neighborInfo.GetNeighbors()
log.Printf("[msg] %v (%v) %s: %v <-> %v neighbors", from, topic, portNum, nodeNum, len(neighbors))
if nodeNum != from {
return
}
if len(neighbors) == 0 {
return
}
NodesMutex.Lock()
if Nodes[from] == nil {
Nodes[from] = meshtastic.NewNode(topic)
}
for _, neighbor := range neighbors {
neighborNum := neighbor.GetNodeId()
if neighborNum == 0 {
continue
}
Nodes[from].UpdateNeighborInfo(neighborNum, neighbor.GetSnr())
}
NodesMutex.Unlock()
case generated.PortNum_MAP_REPORT_APP:
var mapReport generated.MapReport
if err := proto.Unmarshal(payload, &mapReport); err != nil {
log.Printf("[warn] could not parse MapReport payload from %v on %v: %v", from, topic, err)
return
}
longName := mapReport.GetLongName()
shortName := mapReport.GetShortName()
hwModel := mapReport.GetHwModel().String()
role := mapReport.GetRole().String()
fwVersion := mapReport.GetFirmwareVersion()
region := mapReport.GetRegion().String()
modemPreset := mapReport.GetModemPreset().String()
hasDefaultCh := mapReport.GetHasDefaultChannel()
latitude := mapReport.GetLatitudeI()
longitude := mapReport.GetLongitudeI()
precision := mapReport.GetPositionPrecision()
log.Printf(
"[msg] %v (%v) %s: {\"%v\" \"%v\" %v %v %v %v %v %v} (%v, %v) %v/32",
from, topic, portNum,
longName, shortName, hwModel, role, fwVersion, region, modemPreset, hasDefaultCh,
latitude, longitude, precision,
)
if len(longName) == 0 {
return
}
if latitude == 0 && longitude == 0 {
return
}
NodesMutex.Lock()
if Nodes[from] == nil {
Nodes[from] = meshtastic.NewNode(topic)
}
Nodes[from].UpdateUser(longName, shortName, hwModel, role)
Nodes[from].UpdateMapReport(fwVersion, region, modemPreset, hasDefaultCh)
Nodes[from].UpdatePosition(latitude, longitude, precision)
Nodes[from].UpdateSeenBy(topic)
NodesMutex.Unlock()
default:
log.Printf("[msg] %v (%v) %s", from, topic, portNum)
}
}
func main() {
var dbPath string
flag.StringVar(&dbPath, "f", "", "node database `file`")
flag.Parse()
// load or make NodeDB
if len(dbPath) > 0 {
err := Nodes.LoadFile(dbPath)
if err != nil && !errors.Is(err, fs.ErrNotExist) {
log.Fatalf("[error] load nodes: %v", err)
}
log.Printf("[info] loaded %v nodes from disk", len(Nodes))
}
if Nodes == nil {
Nodes = make(meshtastic.NodeDB)
}
// connect to MQTT
client := &meshtastic.MQTTClient{
TopicRegex: regexp.MustCompile(`/2/[ce]/[^/]+/![0-9a-f]+$|/2/map/$`),
BlockCipher: meshtastic.NewBlockCipher(meshtastic.DefaultKey),
MessageHandler: handleMessage,
}
err := client.Connect()
if err != nil {
log.Fatalf("[error] connect: %v", err)
}
// start NodeDB prune and write loop
go func() {
for {
time.Sleep(PruneWriteInterval)
NodesMutex.Lock()
Nodes.Prune(NodeExpiration, NodeExpiration, NodeExpiration, NodeExpiration)
if len(dbPath) > 0 {
valid := Nodes.GetValid()
err := valid.WriteFile(dbPath)
if err != nil {
log.Fatalf("[error] write nodes: %v", err)
}
log.Printf("[info] wrote %v nodes to disk", len(valid))
}
NodesMutex.Unlock()
if !Receiving.CompareAndSwap(true, false) {
log.Fatal("[crit] no messages received")
}
}
}()
// wait until exit
terminate := make(chan os.Signal, 1)
signal.Notify(terminate, syscall.SIGINT, syscall.SIGTERM)
<-terminate
log.Print("[info] exiting")
client.Disconnect()
}

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server {
listen 80;
listen [::]:80;
server_name meshmap.net;
root /data/meshmap.net/website;
location / {
index index.html;
try_files $uri $uri/ =404;
add_header Cache-Control "public, max-age=60";
add_header Vary "Accept-Encoding";
}
}

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module github.com/brianshea2/meshmap.net

131
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package meshtastic
import (
"crypto/aes"
"crypto/cipher"
"crypto/rand"
"encoding/binary"
"fmt"
"log"
"os"
"regexp"
"time"
"github.com/brianshea2/meshmap.net/internal/meshtastic/generated"
mqtt "github.com/eclipse/paho.mqtt.golang"
"google.golang.org/protobuf/proto"
)
const RootTopic = "msh/#"
var DefaultKey = []byte{
0xd4, 0xf1, 0xbb, 0x3a,
0x20, 0x29, 0x07, 0x59,
0xf0, 0xbc, 0xff, 0xab,
0xcf, 0x4e, 0x69, 0x01,
}
func NewBlockCipher(key []byte) cipher.Block {
c, err := aes.NewCipher(key)
if err != nil {
panic(err)
}
return c
}
type MQTTClient struct {
TopicRegex *regexp.Regexp
BlockCipher cipher.Block
MessageHandler func(from uint32, topic string, portNum generated.PortNum, payload []byte)
mqtt.Client
}
func (c *MQTTClient) Connect() error {
randomId := make([]byte, 4)
rand.Read(randomId)
opts := mqtt.NewClientOptions()
opts.AddBroker("tcp://mqtt.meshtastic.org:1883")
opts.SetClientID(fmt.Sprintf("meshobserv-%x", randomId))
opts.SetUsername("meshdev")
opts.SetPassword("large4cats")
opts.SetOrderMatters(false)
opts.SetDefaultPublishHandler(c.handleMessage)
c.Client = mqtt.NewClient(opts)
token := c.Client.Connect()
<-token.Done()
if err := token.Error(); err != nil {
return err
}
log.Print("[info] connected")
token = c.Subscribe(RootTopic, 0, nil)
<-token.Done()
if err := token.Error(); err != nil {
return err
}
log.Print("[info] subscribed")
return nil
}
func (c *MQTTClient) Disconnect() {
if c.IsConnected() {
if c.Unsubscribe(RootTopic).WaitTimeout(time.Second) {
log.Print("[info] unsubscribed")
}
c.Client.Disconnect(1000)
}
}
func (c *MQTTClient) handleMessage(_ mqtt.Client, msg mqtt.Message) {
// filter topic
topic := msg.Topic()
if !c.TopicRegex.MatchString(topic) {
return
}
// parse ServiceEnvelope
var envelope generated.ServiceEnvelope
if err := proto.Unmarshal(msg.Payload(), &envelope); err != nil {
log.Printf("[warn] could not parse ServiceEnvelope on %v: %v", topic, err)
return
}
// get MeshPacket
packet := envelope.GetPacket()
if packet == nil {
log.Printf("[warn] skipping ServiceEnvelope with no MeshPacket on %v", topic)
return
}
// no anonymous packets
from := packet.GetFrom()
if from == 0 {
log.Printf("[warn] skipping MeshPacket from unknown on %v", topic)
return
}
// get Data, try decoded first
data := packet.GetDecoded()
if data == nil {
// data must be (probably) encrypted
encrypted := packet.GetEncrypted()
if encrypted == nil {
log.Printf("[warn] skipping MeshPacket from %v with no data on %v", from, topic)
return
}
// decrypt
nonce := make([]byte, 16)
binary.LittleEndian.PutUint32(nonce[0:], packet.GetId())
binary.LittleEndian.PutUint32(nonce[8:], from)
decrypted := make([]byte, len(encrypted))
cipher.NewCTR(c.BlockCipher, nonce).XORKeyStream(decrypted, encrypted)
// parse Data
data = new(generated.Data)
if err := proto.Unmarshal(decrypted, data); err != nil {
// ignore, probably encrypted with other psk
return
}
}
c.MessageHandler(from, topic, data.GetPortnum(), data.GetPayload())
}
func init() {
mqtt.ERROR = log.New(os.Stderr, "[error] mqtt: ", log.Flags()|log.Lmsgprefix)
mqtt.CRITICAL = log.New(os.Stderr, "[crit] mqtt: ", log.Flags()|log.Lmsgprefix)
mqtt.WARN = log.New(os.Stderr, "[warn] mqtt: ", log.Flags()|log.Lmsgprefix)
}

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package meshtastic
import (
"encoding/json"
"os"
"path/filepath"
"time"
)
const (
SeenByLimit = 10
NeighborLimit = 100
)
type NeighborInfo struct {
Snr float32 `json:"snr,omitempty"`
Updated int64 `json:"updated"`
}
type Node struct {
// User
LongName string `json:"longName"`
ShortName string `json:"shortName"`
HwModel string `json:"hwModel"`
Role string `json:"role"`
// MapReport
FwVersion string `json:"fwVersion,omitempty"`
Region string `json:"region,omitempty"`
ModemPreset string `json:"modemPreset,omitempty"`
HasDefaultCh bool `json:"hasDefaultCh,omitempty"`
LastMapReport int64 `json:"lastMapReport,omitempty"`
// Position
Latitude int32 `json:"latitude"`
Longitude int32 `json:"longitude"`
Precision uint32 `json:"precision,omitempty"`
// DeviceMetrics
BatteryLevel uint32 `json:"batteryLevel,omitempty"`
Voltage float32 `json:"voltage,omitempty"`
ChUtil float32 `json:"chUtil,omitempty"`
AirUtilTx float32 `json:"airUtilTx,omitempty"`
Uptime uint32 `json:"uptime,omitempty"`
LastDeviceMetrics int64 `json:"lastDeviceMetrics,omitempty"`
// NeighborInfo
Neighbors map[uint32]*NeighborInfo `json:"neighbors,omitempty"`
// key=mqtt topic, value=first seen/last position update
SeenBy map[string]int64 `json:"seenBy"`
}
func NewNode(topic string) *Node {
return &Node{
SeenBy: map[string]int64{topic: time.Now().Unix()},
}
}
func (node *Node) ClearDeviceMetrics() {
node.BatteryLevel = 0
node.Voltage = 0
node.ChUtil = 0
node.AirUtilTx = 0
node.Uptime = 0
node.LastDeviceMetrics = 0
}
func (node *Node) ClearMapReportData() {
node.FwVersion = ""
node.Region = ""
node.ModemPreset = ""
node.HasDefaultCh = false
node.LastMapReport = 0
}
func (node *Node) IsValid() bool {
if len(node.SeenBy) == 0 {
return false
}
if len(node.LongName) == 0 {
return false
}
if node.Latitude == 0 && node.Longitude == 0 {
return false
}
return true
}
func (node *Node) Prune(seenByTtl, neighborTtl, deviceMetricsTtl, mapReportTtl int64) {
now := time.Now().Unix()
// SeenBy
for topic, lastSeen := range node.SeenBy {
if lastSeen+seenByTtl < now {
delete(node.SeenBy, topic)
}
}
for len(node.SeenBy) > SeenByLimit {
var toDelete string
for topic, lastSeen := range node.SeenBy {
if len(toDelete) == 0 || lastSeen < node.SeenBy[toDelete] {
toDelete = topic
}
}
delete(node.SeenBy, toDelete)
}
// Neighbors
for neighborNum, neighbor := range node.Neighbors {
if neighbor.Updated+neighborTtl < now {
delete(node.Neighbors, neighborNum)
}
}
if len(node.Neighbors) == 0 {
node.Neighbors = nil
}
for len(node.Neighbors) > NeighborLimit {
var toDelete uint32
for neighborNum, neighbor := range node.Neighbors {
if toDelete == 0 || neighbor.Updated < node.Neighbors[toDelete].Updated {
toDelete = neighborNum
}
}
delete(node.Neighbors, toDelete)
}
// DeviceMetrics
if node.LastDeviceMetrics > 0 && node.LastDeviceMetrics+deviceMetricsTtl < now {
node.ClearDeviceMetrics()
}
// MapReport
if node.LastMapReport > 0 && node.LastMapReport+mapReportTtl < now {
node.ClearMapReportData()
}
}
func (node *Node) UpdateDeviceMetrics(batteryLevel uint32, voltage, chUtil, airUtilTx float32, uptime uint32) {
node.BatteryLevel = batteryLevel
node.Voltage = voltage
node.ChUtil = chUtil
node.AirUtilTx = airUtilTx
node.Uptime = uptime
node.LastDeviceMetrics = time.Now().Unix()
}
func (node *Node) UpdateMapReport(fwVersion, region, modemPreset string, hasDefaultCh bool) {
node.FwVersion = fwVersion
node.Region = region
node.ModemPreset = modemPreset
node.HasDefaultCh = hasDefaultCh
node.LastMapReport = time.Now().Unix()
}
func (node *Node) UpdateNeighborInfo(neighborNum uint32, snr float32) {
if node.Neighbors == nil {
node.Neighbors = make(map[uint32]*NeighborInfo)
}
node.Neighbors[neighborNum] = &NeighborInfo{
Snr: snr,
Updated: time.Now().Unix(),
}
}
func (node *Node) UpdatePosition(latitude, longitude int32, precision uint32) {
node.Latitude = latitude
node.Longitude = longitude
node.Precision = precision
}
func (node *Node) UpdateSeenBy(topic string) {
node.SeenBy[topic] = time.Now().Unix()
}
func (node *Node) UpdateUser(longName, shortName, hwModel, role string) {
node.LongName = longName
node.ShortName = shortName
node.HwModel = hwModel
node.Role = role
}
type NodeDB map[uint32]*Node
func (db NodeDB) Prune(seenByTtl, neighborTtl, deviceMetricsTtl, mapReportTtl int64) {
for nodeNum, node := range db {
node.Prune(seenByTtl, neighborTtl, deviceMetricsTtl, mapReportTtl)
if len(node.SeenBy) == 0 {
delete(db, nodeNum)
}
}
}
func (db NodeDB) GetValid() NodeDB {
valid := make(NodeDB)
for nodeNum, node := range db {
if node.IsValid() {
valid[nodeNum] = node
}
}
return valid
}
func (db *NodeDB) LoadFile(path string) error {
f, err := os.Open(path)
if err != nil {
return err
}
defer f.Close()
return json.NewDecoder(f).Decode(db)
}
func (db NodeDB) WriteFile(path string) error {
dir, file := filepath.Split(path)
f, err := os.CreateTemp(dir, file)
if err != nil {
return err
}
err = json.NewEncoder(f).Encode(db)
if err1 := f.Close(); err1 != nil && err == nil {
err = err1
}
if err == nil {
err = os.Chmod(f.Name(), 0644)
}
if err == nil {
err = os.Rename(f.Name(), path)
}
if err != nil {
os.Remove(f.Name())
}
return err
}

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--- a/protobufs/meshtastic/deviceonly.proto
+++ b/protobufs/meshtastic/deviceonly.proto
@@ -7,14 +7,12 @@ import "meshtastic/localonly.proto";
import "meshtastic/mesh.proto";
import "meshtastic/module_config.proto";
import "meshtastic/telemetry.proto";
-import "nanopb.proto";
option csharp_namespace = "Meshtastic.Protobufs";
option go_package = "github.com/meshtastic/go/generated";
option java_outer_classname = "DeviceOnly";
option java_package = "com.geeksville.mesh";
option swift_prefix = "";
-option (nanopb_fileopt).include = "<vector>";
/*
@@ -191,7 +189,7 @@ message DeviceState {
/*
* New lite version of NodeDB to decrease memory footprint
*/
- repeated NodeInfoLite node_db_lite = 14 [(nanopb).callback_datatype = "std::vector<meshtastic_NodeInfoLite>"];
+ repeated NodeInfoLite node_db_lite = 14;
}
/*

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#!/bin/bash
bash "$(dirname "$0")/generate-pb.sh" || exit $?
docker build \
--no-cache \
--pull \
-f "$(dirname "$0")/../Dockerfile.meshobserv" \
-t meshobserv \
"$(dirname "$0")/.."

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#!/bin/bash
docker run \
--rm \
-v "$(cd "$(dirname "$0")"; pwd)/..":/data \
golang \
bash -c "
apt-get update &&
apt-get install -y protobuf-compiler patch &&
go install google.golang.org/protobuf/cmd/protoc-gen-go@latest &&
cd /tmp &&
git clone --progress --depth 1 https://github.com/meshtastic/protobufs.git &&
patch -p1 < /data/patch/remove-nanopb.patch &&
rm -rf /data/internal/meshtastic/generated &&
protoc -I=protobufs --go_out=/data/internal/meshtastic --go_opt=module=github.com/meshtastic/go protobufs/meshtastic/*.proto
"

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#!/bin/bash
docker stop meshobserv
docker rm meshobserv
docker run --name meshobserv \
--restart unless-stopped \
-v /data:/data \
-d meshobserv \
-f /data/meshmap.net/website/nodes.json

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<!DOCTYPE html>
<html lang="en">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<meta name="description" content="A nearly live map of Meshtastic nodes seen by the official Meshtastic MQTT server">
<title>MeshMap - Meshtastic Node Map</title>
<link rel="manifest" href="/site.webmanifest">
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" crossorigin="">
<link rel="stylesheet" href="https://unpkg.com/leaflet-easybutton@2.4.0/src/easy-button.css" crossorigin="">
<link rel="stylesheet" href="https://unpkg.com/leaflet-search@4.0.0/dist/leaflet-search.min.css" crossorigin="">
<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css" crossorigin="">
<link rel="stylesheet" href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.Default.css" crossorigin="">
<link rel="stylesheet" href="https://unpkg.com/font-awesome@4.7.0/css/font-awesome.min.css" crossorigin="">
<style>
body {
margin: 0;
padding: 0;
}
html, body, #map {
height: 100%;
width: 100vw;
}
#header {
background-color: #fff;
box-shadow: 0 0 4px 0 rgb(0 0 0 / 40%);
color: #333;
display: flex;
gap: 2ch;
font-family: monospace;
padding: 0.5em 1em;
position: absolute;
top: 0;
left: 0;
right: 0;
z-index: 1000;
}
#header a {
color: inherit;
text-decoration: none;
}
#header a:hover {
text-decoration: underline;
}
#header div:nth-child(2) {
flex-grow: 1;
text-align: right;
}
table {
border-collapse: collapse;
}
table :is(th, td) {
text-align: left;
vertical-align: top;
}
table :is(th, td):nth-child(n+2) {
padding-left: 1em;
}
.break {
word-break: break-all;
}
.dark {
filter: invert(1) hue-rotate(180deg) brightness(1.25);
}
.dark .leaflet-shadow-pane {
display: none;
}
.dark .leaflet-popup-content-wrapper {
box-shadow: none;
}
.leaflet-top {
top: 2.5em;
}
.leaflet-tooltip-pane {
z-index: 750;
}
.leaflet-popup-content {
font-family: monospace;
font-size: 12px;
}
.leaflet-popup-content .title {
font-size: 13px;
font-weight: bold;
margin-bottom: 3px;
}
.leaflet-popup-content table {
margin-top: 1em;
}
</style>
<div id="header">
<div><a href="https://meshmap.net/" title="A nearly live map of Meshtastic nodes seen by the official Meshtastic MQTT server">MeshMap.net</a></div>
<div><a href="https://meshtastic.org/">Meshtastic</a></div>
</div>
<div id="map"></div>
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" crossorigin=""></script>
<script src="https://unpkg.com/leaflet-easybutton@2.4.0/src/easy-button.js" crossorigin=""></script>
<script src="https://unpkg.com/leaflet-search@4.0.0/dist/leaflet-search.min.js" crossorigin=""></script>
<script src="https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js" crossorigin=""></script>
<script>
const ipinfoToken = 'aeb066758afd49'
const updateInterval = 65000
const zoomLevelNode = 12
const markersByNode = {}
const neighborsByNode = {}
const nodesBySearchTitle = {}
const precisionMargins = [
16151245, 11939464, 5969732, 2984866, 1492433, 746217, 373108, 186554,
93277, 46639, 23319, 11660, 5830, 2915, 1457, 729,
364, 182, 91, 46, 23, 11, 6, 3,
1, 1, 0, 0, 0, 0, 0, 0
]
// encodes html reserved characters
const html = str => str?.replace(/["&<>]/g, match => `&#${match.charCodeAt(0)};`)
// makes more human-readable time duration strings
const duration = d => {
let s = ''
if (d > 86400) {
s += `${Math.floor(d / 86400)}d `
d %= 86400
}
if (d > 3600) {
s += `${Math.floor(d / 3600)}h `
d %= 3600
}
s += `${Math.floor(d / 60)}min`
return s
}
const since = t => `${duration(Date.now() / 1000 - t)} ago`
// set theme
if (window.localStorage.getItem('theme') === 'dark') {
document.body.classList.add('dark')
}
// init map
const map = L.map('map', {
center: window.localStorage.getItem('center')?.split(',') ?? [25, 0],
zoom: window.localStorage.getItem('zoom') ?? 2,
zoomControl: false,
worldCopyJump: true,
})
// add tiles
L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>',
maxZoom: 19,
}).addTo(map)
// add marker group
const markers = L.markerClusterGroup({
disableClusteringAtZoom: zoomLevelNode,
spiderfyOnMaxZoom: false,
}).addTo(map)
// add node details layer (neighbor lines, precision circle)
const detailsLayer = L.layerGroup().addTo(map)
map.on('click', () => detailsLayer.clearLayers())
// add search control
map.addControl(new L.Control.Search({
layer: markers,
initial: false,
position: 'topleft',
marker: false,
moveToLocation: (_, title) => showNode(nodesBySearchTitle[title]),
}))
// add geolocation control
L.easyButton({
position: 'topleft',
states: [
{
stateName: 'geolocation-button',
title: 'Center map to current IP geolocation',
icon: 'fa-crosshairs',
onClick: () => {
fetch(`https://ipinfo.io/json?token=${ipinfoToken}`)
.then(r => r.json())
.then(({loc}) => loc && map.flyTo(loc.split(','), zoomLevelNode))
.catch(e => console.error('Failed to set location:', e))
},
},
],
}).addTo(map)
// add theme control
L.easyButton({
position: 'topright',
states: [
{
stateName: 'theme-light',
title: 'Toggle dark mode',
icon: 'fa-sun-o',
onClick: btn => {
const dark = document.body.classList.toggle('dark')
window.localStorage.setItem('theme', dark ? 'dark' : 'light')
btn.state(dark ? 'theme-dark' : 'theme-light')
},
},
{
stateName: 'theme-dark',
title: 'Toggle dark mode',
icon: 'fa-moon-o',
onClick: btn => {
const dark = document.body.classList.toggle('dark')
window.localStorage.setItem('theme', dark ? 'dark' : 'light')
btn.state(dark ? 'theme-dark' : 'theme-light')
},
},
],
}).state(document.body.classList.contains('dark') ? 'theme-dark' : 'theme-light').addTo(map)
// add zoom control
L.control.zoom({position: 'bottomleft'}).addTo(map)
// track and store map position
map.on('moveend', () => {
const center = map.getCenter()
window.localStorage.setItem('center', [center.lat, center.lng].join(','))
})
map.on('zoomend', () => {
window.localStorage.setItem('zoom', map.getZoom())
})
// generates html for a node link
const nodeLink = (num, label) => `<a href="#${num}" onclick="showNode(${num});return false">${html(label)}</a>`
// updates node map markers
const updateNodes = data => Object.entries(data).forEach(([nodeNum, node]) => {
const {
longName, shortName, hwModel, role,
fwVersion, region, modemPreset, hasDefaultCh,
latitude, longitude, precision,
batteryLevel, voltage, chUtil, airUtilTx, uptime,
neighbors, seenBy
} = node
const id = `!${Number(nodeNum).toString(16)}`
neighborsByNode[nodeNum] ??= new Set()
if (neighbors) {
Object.keys(neighbors).forEach(neighborNum => {
neighborsByNode[neighborNum] ??= new Set()
neighborsByNode[neighborNum].add(nodeNum)
neighborsByNode[nodeNum].add(neighborNum)
})
}
const position = L.latLng([latitude, longitude].map(x => x / 10000000))
const popupContent = `
<div class="title">${html(longName)} (${html(shortName)})</div>
<div>${nodeLink(nodeNum, id)} | ${html(role)} | ${html(hwModel)}</div>
<table><tbody>
${fwVersion ? `<tr><th>Firmware</th><td>${html(fwVersion)}</td></tr>` : ''}
${region ? `<tr><th>Region</th><td>${html(region)}</td></tr>` : ''}
${modemPreset ? `<tr><th>Modem preset</th><td>${html(modemPreset)}</td></tr>` : ''}
${hasDefaultCh ? `<tr><th>Has default channel</th><td>Yes</td></tr>` : ''}
${batteryLevel ? `<tr><th>Power</th><td>${batteryLevel > 100 ? 'Plugged in' : `${batteryLevel}%`}${voltage ? ` (${voltage.toFixed(1)}V)` : ''}</td></tr>` : ''}
${chUtil ? `<tr><th>ChUtil</th><td>${chUtil.toFixed(1)}%</td></tr>` : ''}
${airUtilTx ? `<tr><th>AirUtilTX</th><td>${airUtilTx.toFixed(1)}%</td></tr>` : ''}
${uptime ? `<tr><th>Uptime</th><td>${duration(uptime)}</td></tr>` : ''}
${precision && precisionMargins[precision-1] ?
`<tr><th>Location precision</th><td>&#177; ${precisionMargins[precision-1].toLocaleString()} m (orange circle)</td></tr>` : ''
}
</tbody></table>
<table><thead>
<tr><th>Last seen</th><th>On MQTT topic</th></tr>
</thead><tbody>
${Object.entries(seenBy).sort((a, b) => b[1] - a[1]).map(([topic, seen]) => {
topic = html(topic).replace(/\/!([0-9a-f]+)$/, (match, reporterId) => {
const reporterNum = Number(`0x${reporterId}`)
if (data[reporterNum] === undefined) {
return match
}
return `/${nodeLink(reporterNum, `!${reporterId}`)}`
})
return `
<tr>
<td>${since(seen)}</td>
<td class="break">${topic}</td>
</tr>
`
}).join('')}
</tbody></table>
`
const populateDetailsLayer = () => {
detailsLayer.clearLayers()
if (precision && precisionMargins[precision-1]) {
L.circle(position, {radius: precisionMargins[precision-1], color: '#ffa932'})
.addTo(detailsLayer)
}
neighborsByNode[nodeNum].forEach(neighborNum => {
if (markersByNode[neighborNum] === undefined) {
return
}
const neighborId = `!${Number(neighborNum).toString(16)}`
const tooltipContent = `
<table><tbody>
<tr><th>Neighbor</th><td>${html(id)} &#60;-&#62; ${html(neighborId)}</td></tr>
<tr><th>Distance</th><td>${Math.round(map.distance(position, markersByNode[neighborNum].getLatLng())).toLocaleString()} m</td></tr>
${neighbors?.[neighborNum]?.snr ? `<tr><th>SNR</th><td>${neighbors[neighborNum].snr} dB</td></tr>` : ''}
${neighbors?.[neighborNum]?.updated ? `<tr><th>Last seen</th><td>${since(neighbors[neighborNum].updated)}</td></tr>` : ''}
</tbody></table>
`
L.polyline([position, markersByNode[neighborNum].getLatLng()], {weight: 4})
.bindTooltip(tooltipContent, {sticky: true, opacity: 1.0})
.on('click', () => showNode(neighborNum))
.addTo(detailsLayer)
})
}
if (markersByNode[nodeNum] === undefined) {
const title = `${longName} (${shortName}) ${id}`
nodesBySearchTitle[title] = nodeNum
markersByNode[nodeNum] = L.marker(position, {alt: 'Node', title})
.bindPopup(popupContent, {maxWidth: 500})
.on('popupopen', () => {
history.replaceState(null, '', `#${nodeNum}`)
populateDetailsLayer()
})
.addTo(markers)
} else {
markersByNode[nodeNum].setPopupContent(popupContent)
markersByNode[nodeNum].setLatLng(position)
if (markersByNode[nodeNum].isPopupOpen()) {
populateDetailsLayer()
}
}
})
// fetches node data, updates map, repeats
const fetchNodes = async () => {
if (document.visibilityState === 'visible') {
try {
await fetch('/nodes.json').then(r => r.json()).then(updateNodes)
} catch (e) {
console.error('Failed to update nodes:', e)
}
}
setTimeout(() => fetchNodes(), updateInterval)
}
// centers map to node and opens popup
const showNode = nodeNum => {
if (markersByNode[nodeNum] === undefined) {
return false
}
map.setView(markersByNode[nodeNum].getLatLng(), Math.max(window.localStorage.getItem('zoom') ?? 0, zoomLevelNode))
setTimeout(() => markersByNode[nodeNum].openPopup(), 300)
return true
}
// keep URL fragment in sync
window.addEventListener('hashchange', () => {
if (window.location.hash && !showNode(window.location.hash.slice(1))) {
history.replaceState(null, '', window.location.pathname)
}
if (!window.location.hash) {
map.closePopup()
}
})
map.on('popupclose', () => {
if (window.location.hash) {
history.replaceState(null, '', window.location.pathname)
}
})
// let's go!!!
fetchNodes().then(() => {
if (window.location.hash && !showNode(window.location.hash.slice(1))) {
history.replaceState(null, '', window.location.pathname)
}
})
</script>

17
website/site.webmanifest Normal file
View file

@ -0,0 +1,17 @@
{
"display" : "standalone",
"icons" : [
{
"sizes" : "192x192",
"src" : "/android-chrome-192x192.png",
"type" : "image/png"
},
{
"sizes" : "512x512",
"src" : "/android-chrome-512x512.png",
"type" : "image/png"
}
],
"name" : "MeshMap.net",
"short_name" : "MeshMap"
}