Initial import

.gitattributes

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+*.go text eol=lf

.gitea/workflows/dev.yaml

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+name: Run tests
+on:
+  push:
+    
+permissions:
+  contents: read
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        go: [stable, 1.25]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
+        with:
+          go-version: ${{ matrix.go }}
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v9
+        with:
+          go-version: ${{ matrix.go }}
+          version: v2.6

aprsis.go

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+package hamview
+
+const (
+	DefaultAPRSISListen = ":14580"
+	DefaultAPRSISServer = "rotate.aprs2.net:14580"
+)
+
+type APRSISConfig struct {
+	Listen string `yaml:"listen"`
+	Server string `yaml:"server"`
+}

asset/image/device/esp32.svg

@@ -0,0 +1 @@
+<svg version="1.2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 300" width="300" height="300"><style>.a{fill:#e7352c}</style><path class="a" d="m99.4 223.2c0 3.1-0.6 6.2-2 9-1.3 2.8-3.2 5.3-5.6 7.3-2.5 2-5.3 3.4-8.3 4.1-3 0.8-6.1 0.9-9.2 0.3-2-0.4-4-1.1-5.8-2.1-1.8-1-3.5-2.2-5-3.7-1.4-1.4-2.7-3.1-3.6-4.9-1-1.9-1.7-3.8-2.1-5.9-0.9-4.4-0.3-9 1.6-13.1 1.9-4 5.1-7.4 9.1-9.5 4-2.1 8.5-2.9 13-2.3 4.5 0.7 8.6 2.8 11.8 6q1.4 1.4 2.6 3.1 1.1 1.8 1.9 3.7 0.8 1.9 1.2 3.9 0.4 2.1 0.4 4.1zm183.5-21.9c-3.3-23.1-10.3-45.6-20.8-66.5-10.5-21-24.3-40.1-40.8-56.6-16.5-16.6-35.6-30.3-56.6-40.8-20.9-10.5-43.3-17.5-66.5-20.9q-4.2 2.2-8.2 4.7-4 2.5-7.8 5.3-3.9 2.8-7.5 5.8-3.6 3-7.1 6.3v20.3c22.7 0 45.2 4.5 66.2 13.2 20.9 8.7 40 21.4 56 37.5 16.1 16 28.8 35.1 37.5 56 8.7 21 13.2 43.5 13.3 66.2h20.3q3.2-3.5 6.2-7.1 3-3.6 5.8-7.4 2.8-3.9 5.3-7.8 2.5-4 4.7-8.2z"/><path class="a" d="m299.4 137.5c0-13.5-2-26.9-6-39.8-3.9-12.9-9.7-25.2-17.2-36.4-7.5-11.2-16.7-21.2-27.1-29.8-10.5-8.5-22.1-15.4-34.6-20.5q-6.2-2.6-12.7-4.5-6.4-1.9-13.1-3.2-6.6-1.3-13.3-1.9-6.7-0.7-13.4-0.6c-4.9 0-9.6 0-14.2 0.7l-3.2 9.1c16.6 5.8 32.5 13.4 47.4 22.8 14.9 9.3 28.6 20.3 41.1 32.8 12.4 12.4 23.4 26.2 32.8 41 9.3 14.9 17 30.8 22.8 47.4l9.1-3.3c0-4.5 0.9-9.1 0.9-14.2m-135.2 162.2c-21.2 0-42.3-4.2-62-12.3-19.7-8.2-37.6-20.1-52.7-35.1-15-15-27-32.9-35.2-52.5-8.2-19.7-12.5-40.7-12.6-62 0-10.7 1-21.3 3-31.8 2.1-10.4 5.2-20.7 9.3-30.5 4-9.9 9.1-19.3 15-28.1 5.9-8.9 12.7-17.1 20.3-24.6l9.2 8.6c-14 14-25.2 30.6-32.8 48.9-7.7 18.3-11.6 37.9-11.6 57.8 0 19.8 3.9 39.4 11.6 57.7 7.6 18.3 18.8 34.9 32.8 48.9 14 14.1 30.6 25.2 48.9 32.9 18.3 7.6 37.9 11.5 57.7 11.5 19.8 0 39.4-3.9 57.7-11.5 18.3-7.7 34.9-18.8 48.9-32.9l8.6 8.6c-7.6 7.6-16 14.3-24.9 20.1-9 5.9-18.5 10.9-28.4 14.8-10 4-20.3 7-30.8 8.9-10.6 1.9-21.3 2.8-32 2.6z"/><path class="a" d="m161.7 241.1c0.7-7.9 0.5-15.9-0.8-23.8-1.3-7.9-3.6-15.6-6.8-23-3.3-7.3-7.4-14.2-12.4-20.4-5-6.3-10.7-11.9-17.1-16.8q-5.1-4-10.7-7.3-5.7-3.3-11.7-5.7-6-2.5-12.4-4-6.3-1.6-12.8-2.3-1.6-0.2-3-1-1.5-0.8-2.5-2.1-1.1-1.2-1.6-2.8-0.5-1.6-0.4-3.2 0.1-1.3 0.6-2.4 0.4-1.2 1.2-2.2 0.8-1 1.9-1.7 1-0.7 2.2-1.1 0.4-0.1 0.8-0.2 0.4 0 0.9-0.1 0.4 0 0.8 0 0.4 0 0.8 0c14.6 1.5 28.6 5.9 41.5 12.8 12.8 7 24.2 16.4 33.4 27.7 9.2 11.3 16.2 24.3 20.4 38.3 4.2 14 5.6 28.7 4.2 43.2q-0.2 2.4-0.6 4.9-0.3 2.4-0.8 4.8-0.4 2.4-1 4.8-0.6 2.3-1.3 4.7l24.7 7q2.8-0.8 5.5-1.7 2.7-0.9 5.3-2 2.7-1 5.3-2.1 2.7-1.1 5.2-2.3 0.7-3.6 1.2-7.3 0.6-3.6 0.9-7.3 0.3-3.6 0.5-7.3 0.2-3.6 0.1-7.3c0-18.5-3.3-36.9-9.7-54.2-6.5-17.4-15.9-33.5-28-47.5-12.1-14.1-26.5-25.9-42.7-34.8-16.2-9-33.8-15.1-52.1-17.9q-3.1-0.5-6.2-0.8-3.1-0.3-6.3-0.3-3.1 0-6.2 0.3-3.1 0.3-6.2 0.8-3.9 1.1-7.6 2.6-3.7 1.6-7.1 3.7-3.4 2.2-6.4 4.7-3.1 2.6-5.8 5.7c-5.7 6.6-9.7 14.5-11.6 23.1-1.9 8.5-1.7 17.4 0.7 25.9 2.3 8.4 6.7 16.1 12.8 22.5 6 6.3 13.5 11 21.9 13.8q1.6 0.3 3.3 0.7 1.6 0.3 3.3 0.6 1.7 0.3 3.4 0.6 1.6 0.3 3.3 0.5c5.8 1 11.3 2.9 16.4 5.8 5.1 2.9 9.6 6.7 13.4 11.2 3.7 4.4 6.7 9.5 8.7 15 2 5.5 3 11.3 3 17.2q0 3.5-0.5 7-0.5 3.6-1.5 7-1 3.4-2.5 6.6-1.5 3.2-3.4 6.2l17 11q3.1 0.8 6.3 1.5 3.2 0.7 6.4 1.3 3.2 0.5 6.4 0.9 3.3 0.3 6.5 0.5 1.9-3.8 3.4-7.8 1.6-4 2.8-8.1 1.2-4.1 2-8.3 0.8-4.2 1.2-8.5"/></svg>

asset/image/device/esp_now.svg

@@ -0,0 +1,31 @@
+<svg version="1.2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 26" width="100%" height="100%">
+  <style>
+    .a {
+      fill: #fff
+    }
+
+    .b {
+      fill: #c00000
+    }
+  </style>
+  <path
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+  <path
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+  <path class="a"
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+  <path class="b"
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+  <path class="b"
+    d="m33.3 10.2v-2.2h0.7c2 0 2.8 0.4 3.1 1.6 0.1 0.4 0.1 1.2-0.1 1.6-0.3 0.5-0.9 0.9-1.6 1.1-0.2 0-0.8 0.1-1.2 0.1h-0.9z" />
+</svg>

asset/image/device/lilygo_t5_pro.svg

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+</svg>

asset/image/device/nrf52.svg

@@ -0,0 +1 @@
+<svg version="1.2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 342 300" width="342" height="300"><style>.a{fill:none}.b{opacity:.6;fill:#00a9ce}.c{opacity:.8;fill:#00a9ce}.d{opacity:.5;fill:#00a9ce}.e{fill:#00a9ce}</style><path class="a" d=""/><path class="b" d="m243.6 1.9c0 0-0.5 0 0 0-1.4 0.9-1.9 1.4-2.8 1.4l-72.6 41.7 84.3 48.8v-93.8c-2.8 0-6.1 0.9-8.9 1.9z"/><path class="c" d="m95.1 295.8l76.8-44.5-84.3-48.8v95.2c2.4 0.4 4.7-0.5 7.5-1.9z"/><path class="d" d="m338.7 246.1l-172.9-99.9-7.9-4.6-156-90.5c-1 2.8-1.9 5.6-1.9 8.9 0 0.5 0 1.4 0 1.9v179c0 5.7 3.3 10.8 8 13.6l71.2 41.8c2.3 1.4 5.1 1.8 7.9 1.8v-91.4-3.7l161.7 93.3c0.4 0.4 0.9 0.4 1.4 0.4h0.4c4.7 1.9 8.5 0.5 12.7-2.3l27.2-15.5 43.1-25.8c2.3-1.4 4.2-4.2 5.1-7z"/><path class="e" d="m339.7 128v-68c0-8.9-4.7-16.9-12.2-21.1l-62.8-36.1c-3.7-1.9-8-2.8-12.2-2.8v94.2l-141-82-15.9-8.9c-7.1-3.8-13.1-4.2-20.2-1 0 0-0.4 0-0.4 0.5-1 0.5-1.4 1-2.4 1.4l-24.8 14.5-35.6 20.7c-4.7 2.8-8.5 7-10.8 12.2l156 90 8 4.6 172.9 99.9c0.9-3.3 0.9-8.9 0.9-8.9v-109.2z"/></svg>

broker.go

@@ -0,0 +1,433 @@
+package hamview
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"github.com/golang-jwt/jwt/v5"
+	"go.yaml.in/yaml/v3"
+
+	"git.maze.io/go/ham/protocol"
+	"git.maze.io/go/ham/protocol/meshcore/crypto"
+	meshcorejwt "git.maze.io/go/ham/protocol/meshcore/crypto/jwt"
+	"git.maze.io/go/ham/radio"
+)
+
+var ErrBrokerNotStarted = errors.New("broker not started")
+
+// Broker for publishing and receiving raw packets.
+type Broker interface {
+	Start() error
+	StartRadio(protocol string, info *radio.Info) error
+
+	Close() error
+
+	SubscribeRadios() (<-chan *Radio, error)
+
+	PublishPacket(topic string, packet *protocol.Packet) error
+	SubscribePackets(topic string) (<-chan *protocol.Packet, error)
+}
+
+type Receiver interface {
+	Disconnected()
+}
+
+type BrokerConfig struct {
+	Type   string    `yaml:"type"`
+	Config yaml.Node `yaml:"conf"`
+}
+
+func NewBroker(config *BrokerConfig) (Broker, error) {
+	if config.Config.Kind != yaml.MappingNode {
+		return nil, fmt.Errorf("broker: conf should be a mapping")
+	}
+
+	switch config.Type {
+	case "mqtt":
+		return newMQTTBroker(&config.Config)
+	//case "kafka":
+	//	return newKafkaBroker(&config.Config)
+	default:
+		return nil, fmt.Errorf("broker: unknown type %q", config.Type)
+	}
+}
+
+type mqttBrokerConfig struct {
+	Host     string   `yaml:"host"`
+	Brokers  []string `yaml:"brokers"`
+	Auth     string   `yaml:"auth"`
+	Username string   `yaml:"username"`
+	Password string   `yaml:"password"`
+	ClientID string   `yaml:"client_id"`
+}
+
+type mqttBroker struct {
+	options *mqtt.ClientOptions
+	client  mqtt.Client
+}
+
+func newMQTTBroker(node *yaml.Node) (*mqttBroker, error) {
+	Logger.Info("broker: setting up MQTT")
+
+	var config mqttBrokerConfig
+	if err := node.Decode(&config); err != nil {
+		return nil, err
+	}
+
+	Logger.Tracef("broker: config: %#+v", config)
+	if len(config.Host) == 0 && len(config.Brokers) == 0 {
+		return nil, errors.New("at least one host or broker must be configured")
+	}
+
+	options := mqtt.NewClientOptions()
+	if config.Host != "" {
+		Logger.Debugf("broker: adding %s", config.Host)
+		options.AddBroker(config.Host)
+	}
+	for _, broker := range config.Brokers {
+		Logger.Debugf("broker: adding %s", broker)
+		options.AddBroker(broker)
+	}
+	if config.Auth != "" {
+		if err := configureAuth(options, config.Auth); err != nil {
+			return nil, err
+		}
+	} else {
+		if config.Password != "" {
+			options.SetPassword(config.Password)
+		}
+	}
+	if config.Username != "" {
+		options.SetUsername(config.Username)
+	}
+	if config.ClientID != "" {
+		options.SetClientID(config.ClientID)
+	} else {
+		clientID, err := generateClientID()
+		if err != nil {
+			return nil, err
+		}
+		options.SetClientID(clientID)
+	}
+
+	options.OnConnect = func(_ mqtt.Client) {
+		Logger.Info("broker: connected to MQTT broker")
+	}
+	options.OnConnectionLost = func(_ mqtt.Client, err error) {
+		Logger.Warnf("broker: connection to MQTT broker lost: %v", err)
+	}
+
+	return &mqttBroker{
+		options: options,
+	}, nil
+}
+
+func (broker *mqttBroker) Close() error {
+	Logger.Warn("broker: closing")
+	if broker.client != nil {
+		broker.client.Disconnect(100)
+		broker.client = nil
+	}
+	return nil
+}
+
+func (broker *mqttBroker) Start() error {
+	// Connect to the broker
+	broker.client = mqtt.NewClient(broker.options)
+	token := broker.client.Connect()
+	token.Wait()
+	if err := token.Error(); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (broker *mqttBroker) StartRadio(protocol string, info *radio.Info) error {
+	if info.Name == "" {
+		return errors.New("broker: radio has no name")
+	}
+
+	// Setup last will
+	var radio = &Radio{
+		Info:     info,
+		Protocol: protocol,
+		IsOnline: false,
+	}
+	// Configure last will
+	will, err := json.Marshal(&radio)
+	if err != nil {
+		return err
+	}
+	topic := fmt.Sprintf("radio/%s/%s",
+		protocol,
+		base64.RawURLEncoding.EncodeToString([]byte(info.Name)))
+
+	Logger.Debugf("broker: configure last will %s", topic)
+	broker.options.SetWill(topic, string(will), 1, true)
+
+	// Connect to the broker
+	if err = broker.Start(); err != nil {
+		return err
+	}
+
+	// Send status
+	radio.IsOnline = true
+	payload, err := json.Marshal(radio)
+	if err != nil {
+		return err
+	}
+
+	Logger.Infof("broker: radio %s online at %s", info.Name, topic)
+	token := broker.client.Publish(topic, 1, true, string(payload))
+	token.Wait()
+	return token.Error()
+}
+
+func (broker *mqttBroker) SubscribeRadios() (<-chan *Radio, error) {
+	if broker.client == nil {
+		return nil, ErrBrokerNotStarted
+	}
+
+	radios := make(chan *Radio, 8)
+	token := broker.client.Subscribe("radio/#", 0, func(_ mqtt.Client, message mqtt.Message) {
+		var radio Radio
+		if err := json.Unmarshal(message.Payload(), &radio); err == nil {
+			select {
+			case radios <- &radio:
+			default:
+			}
+		}
+	})
+
+	if token.Wait() && token.Error() != nil {
+		close(radios)
+		return nil, token.Error()
+	}
+
+	return radios, nil
+}
+
+func (broker *mqttBroker) PublishPacket(topic string, packet *protocol.Packet) error {
+	if broker.client == nil {
+		return ErrBrokerNotStarted
+	}
+
+	b, err := json.Marshal(packet)
+	if err != nil {
+		return err
+	}
+
+	token := broker.client.Publish(topic, 0, true, string(b))
+	if token.Wait() && token.Error() != nil {
+		return token.Error()
+	}
+	return nil
+}
+
+func (broker *mqttBroker) SubscribePackets(topic string) (<-chan *protocol.Packet, error) {
+	if broker.client == nil {
+		return nil, ErrBrokerNotStarted
+	}
+
+	packets := make(chan *protocol.Packet, 16)
+	token := broker.client.Subscribe(topic, 0, func(_ mqtt.Client, message mqtt.Message) {
+		var packet protocol.Packet
+		if err := json.Unmarshal(message.Payload(), &packet); err == nil {
+			select {
+			case packets <- &packet:
+			default:
+			}
+		}
+	})
+
+	if token.Wait() && token.Error() != nil {
+		close(packets)
+		return nil, token.Error()
+	}
+
+	return packets, nil
+}
+
+/*
+type kafkaBroker struct {
+	configMap kafka.ConfigMap
+	producer  *kafka.Producer
+}
+
+func newKafkaBroker(node *yaml.Node) (*kafkaBroker, error) {
+	Logger.Info("broker: setting up Kafka")
+
+	var config = make(map[string]kafka.ConfigValue)
+	if err := node.Decode(config); err != nil {
+		return nil, err
+	}
+
+	// Ensure default values:
+	config["acks"] = "all"
+	if s, ok := config["client.id"]; !ok || s == "" {
+		var err error
+		if config["client.id"], err = generateClientID(); err != nil {
+			return nil, err
+		}
+	}
+
+	return &kafkaBroker{
+		configMap: config,
+	}, nil
+}
+
+func (broker *kafkaBroker) Close() error {
+	Logger.Warn("broker: closing")
+	if broker.producer != nil {
+		broker.producer.Close()
+		broker.producer = nil
+	}
+	return nil
+}
+
+func (broker *kafkaBroker) Start() (err error) {
+	if broker.producer != nil {
+		return nil
+	}
+
+	if broker.producer, err = kafka.NewProducer(&broker.configMap); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (broker *kafkaBroker) StartRadio(protocol string, info *radio.Info) error {
+	return broker.Start()
+}
+
+func (broker *kafkaBroker) PublishPacket(topic string, packet *protocol.Packet) error {
+	if broker.producer == nil {
+		return ErrBrokerNotStarted
+	}
+
+	data, err := json.Marshal(packet)
+	if err != nil {
+		return err
+	}
+
+	return broker.producer.Produce(&kafka.Message{
+		TopicPartition: kafka.TopicPartition{
+			Topic:     &topic,
+			Partition: kafka.PartitionAny,
+		},
+		Value: data,
+	}, nil)
+}
+
+func (broker *kafkaBroker) ensureProducer() (err error) {
+	if broker.producer == nil {
+		broker.producer, err = kafka.NewProducer(&broker.configMap)
+	}
+	return
+}
+
+func (broker *kafkaBroker) SubscribePackets(topic string) (<-chan *protocol.Packet, error) {
+	consumer, err := kafka.NewConsumer(&broker.configMap)
+	if err != nil {
+		return nil, err
+	} else if err = consumer.Subscribe(topic, nil); err != nil {
+		return nil, err
+	}
+
+	packets := make(chan *protocol.Packet, 16)
+
+	go func() {
+		defer close(packets)
+		for {
+			event := consumer.Poll(100)
+			if event == nil {
+				continue
+			}
+
+			switch event := event.(type) {
+			case kafka.Error:
+				// TODO
+				if event.IsFatal() {
+					return
+				}
+
+			case *kafka.Message:
+				var packet protocol.Packet
+				if err := json.Unmarshal(event.Value, &packet); err == nil {
+					select {
+					case packets <- &packet:
+					default:
+					}
+				}
+			}
+		}
+	}()
+
+	return packets, nil
+}
+*/
+
+func generateClientID() (string, error) {
+	name, err := os.Hostname()
+	if err != nil {
+		return "", err
+	}
+	var (
+		node   = strings.ToLower(strings.SplitN(name, ".", 2)[0])
+		random = make([]byte, 4)
+	)
+	rand.Read(random)
+	return fmt.Sprintf("%s_%08x", node, random), nil
+}
+
+func configureAuth(options *mqtt.ClientOptions, value string) error {
+	part := strings.Split(value, ":")
+	if len(part) < 2 {
+		return errors.New("broker: mqtt.auth must be in `type:value` format")
+	}
+
+	switch part[0] {
+	case "jwt-ed25519":
+		var key *crypto.PrivateKey
+		f, err := os.ReadFile(part[1])
+		if err != nil {
+			if !os.IsNotExist(err) {
+				return err
+			}
+			if _, key, err = crypto.GenerateKey(); err != nil {
+				return err
+			}
+			if err = os.WriteFile(part[1], key.Bytes(), 0600); err != nil {
+				return err
+			}
+		} else {
+			if key, err = crypto.NewPrivateKey(f); err != nil {
+				return err
+			}
+		}
+
+		token := jwt.NewWithClaims(meshcorejwt.SigningMethod, jwt.MapClaims{
+			"publickey": hex.EncodeToString(key.PublicKey()),
+			"iat":       time.Now().Unix(),
+		})
+		tokenString, err := token.SignedString(key)
+		if err != nil {
+			return err
+		}
+
+		options.SetPassword(tokenString)
+		return nil
+
+	default:
+		return fmt.Errorf("broker: unknown auth method %q", part[0])
+	}
+}

cmd/hamview-collector/main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/go/ham/protocol"
+
+	"git.maze.io/ham/hamview"
+	"git.maze.io/ham/hamview/internal/cmd"
+)
+
+var logger *logrus.Logger
+
+func init() {
+	logger = cmd.NewLogger(nil)
+}
+
+func main() {
+	cmd := &cli.Command{
+		Name:   "hamview-collector",
+		Usage:  "Collector for HAM radio protocols",
+		Action: run,
+		Before: cmd.ConfigureLogging(&logger),
+		Flags:  cmd.AllFlags("hamview-collector.yaml"),
+	}
+
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		log.Fatal(err)
+	}
+}
+
+type collectorConfig struct {
+	hamview.CollectorConfig `yaml:",inline"`
+	Broker                  hamview.BrokerConfig `yaml:"broker"`
+	Include                 []string             `yaml:"include"`
+	MeshCore                struct {
+		Group meshCoreGroupConfig `yaml:"group"`
+	} `yaml:"meshcore"`
+}
+
+func (config *collectorConfig) Includes() []string {
+	includes := config.Include
+	config.Include = nil
+	return includes
+}
+
+type meshCoreGroupConfig struct {
+	Secret map[string]string `yaml:"secret"`
+	Public []string          `yaml:"public"`
+}
+
+func run(ctx context.Context, command *cli.Command) error {
+	var config collectorConfig
+	if err := cmd.Load(logger, command.String(cmd.FlagConfig), &config); err != nil {
+		return err
+	}
+
+	collector, err := hamview.NewCollector(&config.CollectorConfig)
+	if err != nil {
+		return err
+	}
+	defer collector.Close()
+
+	broker, err := hamview.NewBroker(&config.Broker)
+	if err != nil {
+		return err
+	}
+	if err = broker.Start(); err != nil {
+		return err
+	}
+	defer broker.Close()
+
+	for _, proto := range []string{
+		protocol.APRS,
+		protocol.MeshCore,
+	} {
+		go collector.Collect(broker, proto+"/packet")
+	}
+
+	return cmd.WaitForInterrupt(logger, "collector")
+}

cmd/hamview-receiver/main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/ham/hamview/internal/cmd"
+)
+
+var logger *logrus.Logger
+
+func main() {
+	cmd := &cli.Command{
+		Name:  "hamview-receiver",
+		Usage: "Receiver for HAM radio protocols",
+		Action: func(context.Context, *cli.Command) error {
+			fmt.Println("boom! I say!")
+			return nil
+		},
+		Flags: cmd.AllFlags("hamview-receiver.yaml"),
+		Commands: []*cli.Command{
+			{
+				Name:   "aprsis",
+				Usage:  "Start an APRS-IS proxy",
+				Before: cmd.ConfigureLogging(&logger),
+				Action: runAPRSIS,
+			},
+			{
+				Name:   "meshcore",
+				Usage:  "Start a MeshCore receiver",
+				Before: cmd.ConfigureLogging(&logger),
+				Action: runMeshCore,
+			},
+		},
+	}
+
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		log.Fatal(err)
+	}
+}
+
+func waitForInterrupt() error {
+	return cmd.WaitForInterrupt(logger, "receiver")
+}

cmd/hamview-receiver/run_aprsis.go

@@ -0,0 +1,77 @@
+package main
+
+import (
+	"context"
+
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/go/ham/protocol/aprs/aprsis"
+
+	"git.maze.io/ham/hamview"
+	"git.maze.io/ham/hamview/internal/cmd"
+)
+
+type aprsisConfig struct {
+	Broker   hamview.BrokerConfig `yaml:"broker"`
+	Receiver hamview.APRSISConfig `yaml:"receiver"`
+	Include  []string             `yaml:"include"`
+}
+
+func (config *aprsisConfig) Includes() []string {
+	includes := config.Include
+	config.Include = nil
+	return includes
+}
+
+func runAPRSIS(ctx context.Context, command *cli.Command) error {
+	var config = aprsisConfig{
+		Receiver: hamview.APRSISConfig{
+			Listen: hamview.DefaultAPRSISListen,
+			Server: hamview.DefaultAPRSISServer,
+		},
+	}
+	if err := cmd.Load(logger, command.String(cmd.FlagConfig), &config); err != nil {
+		return err
+	}
+
+	logger.Infof("receiver: starting APRS-IS proxy on tcp://%s to tcp://%s",
+		config.Receiver.Listen,
+		config.Receiver.Server)
+	proxy, err := aprsis.NewProxy(config.Receiver.Listen, config.Receiver.Server)
+	if err != nil {
+		return err
+	}
+
+	proxy.OnClient = func(callsign string, client *aprsis.ProxyClient) {
+		go receiveAPRSIS(&config.Broker, callsign, client)
+	}
+
+	return waitForInterrupt()
+}
+
+func receiveAPRSIS(config *hamview.BrokerConfig, callsign string, client *aprsis.ProxyClient) {
+	defer client.Close()
+
+	broker, err := hamview.NewBroker(config)
+	if err != nil {
+		logger.Errorf("receiver: can't setup to broker: %v", err)
+		return
+	}
+	defer broker.Close()
+
+	info := client.Info() // TODO: enrich info from config?
+
+	if err = broker.StartRadio("aprs", info); err != nil {
+		logger.Fatalf("receiver: can't start broker: %v", err)
+		return
+	}
+
+	logger.Infof("receiver: start receiving packets from station: %s", callsign)
+	for packet := range client.RawPackets() {
+		logger.Debugf("aprs packet: %#+v", packet)
+		if err := broker.PublishPacket("aprs/packet", packet); err != nil {
+			logger.Error(err)
+		}
+	}
+	logger.Info("receiver: stopped receiving packets from station: %s", callsign)
+}

cmd/hamview-receiver/run_meshcore.go

@@ -0,0 +1,79 @@
+package main
+
+import (
+	"context"
+
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/go/ham/protocol"
+	"git.maze.io/go/ham/protocol/meshcore"
+
+	"git.maze.io/ham/hamview"
+	"git.maze.io/ham/hamview/internal/cmd"
+)
+
+type meshCoreConfig struct {
+	Broker   hamview.BrokerConfig   `yaml:"broker"`
+	Receiver hamview.MeshCoreConfig `yaml:"receiver"`
+	Include  []string               `yaml:"include"`
+}
+
+func (config *meshCoreConfig) Includes() []string {
+	includes := config.Include
+	config.Include = nil
+	return includes
+}
+
+func runMeshCore(ctx context.Context, command *cli.Command) error {
+	var config meshCoreConfig
+	if err := cmd.Load(logger, command.String(cmd.FlagConfig), &config); err != nil {
+		return err
+	}
+
+	broker, err := hamview.NewBroker(&config.Broker)
+	if err != nil {
+		return err
+	}
+	defer broker.Close()
+
+	receiver, err := hamview.NewMeshCoreReceiver(&config.Receiver)
+	if err != nil {
+		return err
+	}
+	defer receiver.Close()
+
+	info := receiver.Info() // TODO: enrich info from config?
+	if err = broker.StartRadio(protocol.MeshCore, info); err != nil {
+		logger.Fatalf("receiver: can't start broker: %v", err)
+		return err
+	}
+
+	// Trace scheduler
+	//go receiver.RunTraces()
+
+	// Packet decoder
+	go func() {
+		logger.Info("receiver: start receiving packets")
+		for packet := range receiver.RawPackets() {
+			if len(packet.Raw) >= 1 {
+				var (
+					header      = packet.Raw[0]
+					version     = (header >> 6) & 0x03
+					routeType   = meshcore.RouteType(header & 0x03)
+					payloadType = meshcore.PayloadType((header >> 2) & 0x0F)
+				)
+				logger.Debugf("meshcore packet: %d %s %s: %d bytes",
+					version,
+					routeType,
+					payloadType,
+					len(packet.Raw))
+			}
+			if err = broker.PublishPacket("meshcore/packet", packet); err != nil {
+				logger.Errorf("receiver: failed to publish packet: %v", err)
+			}
+		}
+		logger.Warn("receiver: closing")
+	}()
+
+	return waitForInterrupt()
+}

cmd/hamview-server/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"context"
+	"os"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/ham/hamview"
+	"git.maze.io/ham/hamview/internal/cmd"
+)
+
+var logger = logrus.New()
+
+func main() {
+	cmd := &cli.Command{
+		Name:   "hamview-server",
+		Usage:  "Server for HAM radio protocols",
+		Action: run,
+		Before: cmd.ConfigureLogging(&logger),
+		Flags:  cmd.AllFlags("hamview-server.yaml"),
+	}
+
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		logger.Fatal(err)
+	}
+}
+
+type serverConfig struct {
+	Database hamview.DatabaseConfig `yaml:"database"`
+	Broker   hamview.BrokerConfig   `yaml:"broker"`
+	Server   hamview.ServerConfig   `yaml:"server"`
+	Include  []string               `yaml:"include"`
+}
+
+func (config *serverConfig) Includes() []string {
+	includes := config.Include
+	config.Include = nil
+	return includes
+}
+
+func run(ctx context.Context, command *cli.Command) error {
+	var config serverConfig
+	if err := cmd.Load(logger, command.String(cmd.FlagConfig), &config); err != nil {
+		return err
+	}
+
+	server, err := hamview.NewServer(&config.Server, &config.Database)
+	if err != nil {
+		return err
+	}
+
+	return server.Run()
+}

cmd/import-letsmesh-nodes/main.go

@@ -0,0 +1,183 @@
+package main
+
+import (
+	"context"
+	"database/sql"
+	"encoding/hex"
+	"encoding/json"
+	"os"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/go/ham/protocol/meshcore"
+
+	"git.maze.io/ham/hamview"
+	"git.maze.io/ham/hamview/internal/cmd"
+
+	_ "github.com/cridenour/go-postgis" // PostGIS support
+	_ "github.com/lib/pq"               // PostgreSQL support
+)
+
+var logger = logrus.New()
+
+/*
+	{
+	      "public_key": "E119666239EE254E8E7B2937A99FE9DB7CBB58040B5D0E995B719C598CD261F6",
+	      "name": "~ Jonzy Heltec Repeater",
+	      "device_role": 2,
+	      "regions": [
+	        "OMA"
+	      ],
+	      "first_seen": "2026-01-18T04:31:21.694Z",
+	      "last_seen": "2026-02-20T10:30:16.144Z",
+	      "is_mqtt_connected": true,
+	      "decoded_payload": {
+	        "lat": 41.28516,
+	        "lon": -96.13876,
+	        "mode": "Repeater",
+	        "name": "~ Jonzy Heltec Repeater",
+	        "flags": 146,
+	        "is_valid": true,
+	        "signature": "F08599E4D7357E9276B5F78246C698BFFCF14EC83D8A70CAB6F8E63EDF3FEB5CB692A60C3072593ABE0261B164709F9E012AC526B5EF08407B3520C13719900E",
+	        "timestamp": 1771583405,
+	        "public_key": "E119666239EE254E8E7B2937A99FE9DB7CBB58040B5D0E995B719C598CD261F6"
+	      },
+	      "location": {
+	        "latitude": 41.28516,
+	        "longitude": -96.13876
+	      },
+	      "node_settings": {
+	        "show_neighbors": true,
+	        "show_adverts": true
+	      }
+	},
+*/
+type node struct {
+	PublicKey  string             `json:"public_key"`
+	Name       string             `json:"name"`
+	Type       int                `json:"device_role"`
+	FirstHeard time.Time          `json:"first_seen"`
+	LastHeard  time.Time          `json:"last_seen"`
+	Position   *meshcore.Position `json:"location"`
+	Payload    payload            `json:"decoded_payload`
+}
+
+type payload struct {
+	Timestamp int64 `json:"timestamp"`
+}
+
+func main() {
+	cmd := &cli.Command{
+		Name:   "import-letsmesh-nodes",
+		Action: run,
+		Before: cmd.ConfigureLogging(&logger),
+		Flags: append([]cli.Flag{
+			&cli.StringFlag{
+				Name:  "dump",
+				Usage: "letsmesh node json",
+				Value: "letsmeshnodes.json",
+			},
+		}, cmd.AllFlags("hamview-collector.yaml")...),
+	}
+
+	if err := cmd.Run(context.Background(), os.Args); err != nil {
+		logger.Fatal(err)
+	}
+}
+
+type collectorConfig struct {
+	hamview.CollectorConfig `yaml:",inline"`
+	Broker                  map[string]any `yaml:"broker"`
+	Meshcore                map[string]any `yaml:"meshcore"`
+	Include                 []string
+}
+
+func (config *collectorConfig) Includes() []string {
+	includes := config.Include
+	config.Include = nil
+	return includes
+}
+
+func run(ctx context.Context, command *cli.Command) error {
+	var config collectorConfig
+	if err := cmd.Load(logger, command.String(cmd.FlagConfig), &config); err != nil {
+		return err
+	}
+
+	db, err := sql.Open(config.Database.Type, config.Database.Conf)
+	if err != nil {
+		return err
+	}
+	defer db.Close()
+
+	b, err := os.ReadFile(command.String("dump"))
+	if err != nil {
+		return err
+	}
+
+	var nodes struct {
+		Nodes []*node `json:"nodes"`
+	}
+	if err = json.Unmarshal(b, &nodes); err != nil {
+		return err
+	}
+
+	logger.Infof("found %d nodes", len(nodes.Nodes))
+	for _, node := range nodes.Nodes {
+		k, err := hex.DecodeString(node.PublicKey)
+		if err != nil {
+			logger.Warnf("node %s has incorrect public key: %v", node.Name, err)
+			continue
+		}
+		logger.Infof("node %s at %s", node.Name, node.Position)
+		var latitude, longitude *float64
+		if node.Position != nil {
+			latitude = &node.Position.Latitude
+			longitude = &node.Position.Longitude
+		}
+		if _, err = db.Exec(
+			`INSERT INTO meshcore_node (
+				node_type,
+				public_key,
+				name,
+				local_time,
+				first_heard,
+				last_heard,
+				last_latitude,
+				last_longitude
+			) VALUES (
+				$1,
+				$2,
+				$3,
+				$4,
+				$5,
+				$6,
+				$7,
+				$8
+			)
+			ON CONFLICT (public_key)
+			DO UPDATE
+				SET 
+					name = $3,
+					local_time = $4,
+					last_heard = $6,
+					last_latitude = $7,
+					last_longitude = $8
+			`,
+			node.Type,
+			k,
+			node.Name,
+			time.Unix(node.Payload.Timestamp, 0),
+			node.FirstHeard,
+			node.LastHeard,
+			latitude,
+			longitude,
+		); err != nil {
+			logger.Fatalf("node %s insert failed: %v", node.Name, err)
+		}
+	}
+
+	return nil
+}

collector.go

@@ -0,0 +1,400 @@
+package hamview
+
+import (
+	"database/sql"
+	"fmt"
+
+	_ "github.com/cridenour/go-postgis" // PostGIS support
+	"github.com/lib/pq"                 // PostgreSQL support
+
+	"git.maze.io/go/ham/protocol"
+	"git.maze.io/go/ham/protocol/aprs"
+	"git.maze.io/go/ham/protocol/meshcore"
+)
+
+type CollectorConfig struct {
+	Database DatabaseConfig `yaml:"database"`
+}
+
+type DatabaseConfig struct {
+	Type string `yaml:"type"`
+	Conf string `yaml:"conf"`
+}
+
+type Collector struct {
+	*sql.DB
+
+	meshCoreGroup map[byte][]*meshcore.Group
+}
+
+func NewCollector(config *CollectorConfig) (*Collector, error) {
+	d, err := sql.Open(config.Database.Type, config.Database.Conf)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, query := range []string{
+		// radio.*
+		sqlCreateRadio,
+		sqlIndexRadioName,
+		sqlIndexRadioProtocol,
+		sqlGeometryRadioPosition,
+
+		// meshcore_packet.*
+		sqlCreateMeshCorePacket,
+		sqlIndexMeshCorePacketHash,
+		sqlIndexMeshCorePacketPayloadType,
+
+		// meshcore_node.*
+		sqlCreateMeshCoreNode,
+		sqlIndexMeshCoreNodeName,
+		sqlAlterMeshCoreNodePrefix,
+		sqlGeometryMeshCoreNodePosition,
+
+		// meshcore_node_position.*
+		sqlCreateMeshCoreNodePosition,
+		sqlGeometryMeshCoreNodePositionPosition,
+		sqlIndexMeshCoreNodePositionPosition,
+	} {
+		if _, err := d.Exec(query); err != nil {
+			var ignore bool
+			if err, ok := err.(*pq.Error); ok {
+				switch err.Code {
+				case "42701": // column "x" of relation "y" already exists (42701)
+					ignore = true
+				}
+			}
+			Logger.Debugf("collector: sql error %T: %v", err, err)
+			if !ignore {
+				return nil, fmt.Errorf("error in query %s: %v", query, err)
+			}
+		}
+	}
+
+	return &Collector{
+		DB:            d,
+		meshCoreGroup: make(map[byte][]*meshcore.Group),
+	}, nil
+}
+
+func (c *Collector) Collect(broker Broker, topic string) error {
+	Logger.Debugf("collector: subscribing to radios")
+	radios, err := broker.SubscribeRadios()
+	if err != nil {
+		Logger.Errorf("collector: error subscribing: %v", err)
+		return err
+	}
+
+	Logger.Debugf("collector: subscribing to %s", topic)
+	packets, err := broker.SubscribePackets(topic)
+	if err != nil {
+		Logger.Errorf("collector: error subscribing to %s: %v", topic, err)
+		return err
+	}
+
+loop:
+	for {
+		select {
+		case radio := <-radios:
+			if radio == nil {
+				break loop
+			}
+			c.processRadio(radio)
+
+		case packet := <-packets:
+			if packet == nil {
+				break loop
+			}
+			switch packet.Protocol {
+			case protocol.APRS:
+				c.processAPRSPacket(packet)
+			case protocol.MeshCore:
+				c.processMeshCorePacket(packet)
+			}
+		}
+	}
+
+	Logger.Warnf("collector: done processing packets from %s: channel closed", topic)
+
+	return nil
+}
+
+func (c *Collector) processRadio(radio *Radio) {
+	Logger.Tracef("collector: process %s radio %q online %t",
+		radio.Protocol,
+		radio.Name,
+		radio.IsOnline)
+
+	var latitude, longitude, altitude *float64
+	if radio.Position != nil {
+		latitude = &radio.Position.Latitude
+		longitude = &radio.Position.Longitude
+		altitude = &radio.Position.Altitude
+	}
+
+	var id int64
+	if err := c.QueryRow(`
+		INSERT INTO radio (
+			name,
+			is_online,
+			device,
+			manufacturer,
+			firmware_date,
+			firmware_version,
+			antenna,
+			modulation,
+			protocol,
+			latitude,
+			longitude,
+			altitude,
+			frequency,
+			rx_frequency,
+			tx_frequency,
+			bandwidth,
+			power,
+			gain,
+			lora_sf,
+			lora_cr,
+			extra
+		) VALUES (
+		 	$1,
+			$2,
+			NULLIF($3, ''),		-- device
+			NULLIF($4, ''),		-- manufacturer
+			$5,
+			NULLIF($6, ''),		-- firmware_version
+			NULLIF($7, ''),		-- antenna
+			NULLIF($8, ''),		-- modulation
+			$9,					-- protocol
+			NULLIF($10, 0.0),	-- latitude
+			NULLIF($11, 0.0),	-- longitude
+			$12,				-- altitude
+			$13,				-- frequency
+			NULLIF($14, 0.0),	-- rx_frequency
+			NULLIF($15, 0.0),	-- tx_frequency
+			$16,				-- bandwidth
+			NULLIF($17, 0.0),	-- power
+			NULLIF($18, 0.0),	-- gain
+			NULLIF($19, 0),		-- lora_sf
+			NULLIF($20, 0),		-- lora_cr
+			$21
+		)
+		ON CONFLICT (name)
+		DO UPDATE
+			SET
+				is_online 			= $2,
+				device 				= NULLIF($3, ''),
+				manufacturer 		= NULLIF($4, ''),
+				firmware_date 		= $5,
+				firmware_version 	= NULLIF($6, ''),
+				antenna 			= NULLIF($7, ''),
+				modulation 			= NULLIF($8, ''),
+				protocol 			= $9,
+				latitude 			= NULLIF($10, 0.0),
+				longitude 			= NULLIF($11, 0.0),
+				altitude 			= $12,
+				frequency 			= $13,
+				rx_frequency 		= NULLIF($14, 0.0),
+				tx_frequency 		= NULLIF($15, 0.0),
+				bandwidth           = $16,
+				power 				= NULLIF($17, 0),
+				gain 				= NULLIF($18, 0),
+				lora_sf 			= NULLIF($19, 0),
+				lora_cr 			= NULLIF($20, 0),
+				extra 				= $21
+		RETURNING id
+	`,
+		radio.Name,
+		radio.IsOnline,
+		radio.Device,
+		radio.Manufacturer,
+		radio.FirmwareDate,
+		radio.FirmwareVersion,
+		radio.Antenna,
+		radio.Modulation,
+		radio.Protocol,
+		latitude,
+		longitude,
+		altitude,
+		radio.Frequency,
+		radio.RXFrequency,
+		radio.TXFrequency,
+		radio.Bandwidth,
+		radio.Power,
+		radio.Gain,
+		radio.LoRaSF,
+		radio.LoRaCR,
+		nil,
+	).Scan(&id); err != nil {
+		Logger.Warnf("collector: error storing radio: %v", err)
+		return
+	}
+}
+
+func (c *Collector) processAPRSPacket(packet *protocol.Packet) {
+	decoded, err := aprs.ParsePacket(string(packet.Raw))
+	if err != nil {
+		Logger.Warnf("collector: invalid %s packet: %v", packet.Protocol, err)
+		return
+	}
+
+	Logger.Tracef("collector: process %s packet (%d bytes)",
+		packet.Protocol,
+		len(packet.Raw))
+
+	var id int64
+	if err := c.QueryRow(`
+		INSERT INTO aprs_packet (
+			src_address,
+			dst_address,
+			comment
+		) VALUES ($1, $2, $3)
+		RETURNING id;
+	`,
+		decoded.Src.String(),
+		decoded.Dst.String(),
+		decoded.Comment,
+	).Scan(&id); err != nil {
+		Logger.Warnf("collector: error storing packet: %v", err)
+		return
+	}
+}
+
+func (c *Collector) processMeshCorePacket(packet *protocol.Packet) {
+	var parsed meshcore.Packet
+	if err := parsed.UnmarshalBytes(packet.Raw); err != nil {
+		Logger.Warnf("collector: invalid %s packet: %v", packet.Protocol, err)
+		return
+	}
+
+	Logger.Tracef("collector: process %s %s packet (%d bytes)",
+		packet.Protocol,
+		parsed.PayloadType.String(),
+		len(packet.Raw))
+
+	if len(parsed.Path) == 0 {
+		parsed.Path = nil // store NULL
+	}
+
+	var id int64
+	if err := c.QueryRow(`
+		INSERT INTO meshcore_packet (
+			snr,
+			rssi,
+			hash,
+			route_type,
+			payload_type,
+			path,
+			payload,
+			raw,
+			received_at
+		) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+		RETURNING id;`,
+		packet.SNR,
+		packet.RSSI,
+		parsed.Hash(),
+		parsed.RouteType,
+		parsed.PayloadType,
+		parsed.Path,
+		parsed.Payload,
+		packet.Raw,
+		packet.Time,
+	).Scan(&id); err != nil {
+		Logger.Warnf("collector: error storing packet: %v", err)
+		return
+	}
+
+	switch parsed.PayloadType {
+	case meshcore.TypeAdvert:
+		payload, err := parsed.Decode()
+		if err != nil {
+			Logger.Warnf("collector: error decoding packet: %v", err)
+			return
+		}
+
+		var (
+			advert    = payload.(*meshcore.Advert)
+			nodeID    int64
+			latitude  *float64
+			longitude *float64
+		)
+		if advert.Position != nil {
+			latitude = &advert.Position.Latitude
+			longitude = &advert.Position.Longitude
+		}
+		if err = c.QueryRow(`
+			INSERT INTO meshcore_node (
+				node_type,
+				public_key,
+				name,
+				local_time,
+				first_heard,
+				last_heard,
+				last_latitude,
+				last_longitude,
+				last_advert_id
+			) VALUES (
+			 	$1,
+				$2, 
+				$3, 
+				$4, 
+				$5, 
+				$6,
+				$7,
+				$8,
+				$9
+			) 
+			ON CONFLICT (public_key)
+			DO UPDATE
+				SET 
+					name = $3,
+					local_time = $4,
+					last_heard = $6,
+					last_latitude = $7,
+					last_longitude = $8,
+					last_advert_id = $9
+			RETURNING id
+		`,
+			advert.Type,
+			advert.PublicKey.Bytes(),
+			advert.Name,
+			advert.Time,
+			packet.Time,
+			packet.Time,
+			latitude,
+			longitude,
+			id,
+		).Scan(&nodeID); err != nil {
+			Logger.Warnf("collector: error storing node: %v", err)
+			return
+		}
+
+		if advert.Position != nil {
+			if _, err = c.Exec(`
+				INSERT INTO meshcore_node_position (
+					node_id,
+					heard_at,
+					latitude,
+					longitude,
+					position
+				) VALUES (
+				 	$1,
+					$2,
+					$3,
+					$4,
+					ST_SetSRID(ST_MakePoint($5, $6), 4326)
+				);
+			`,
+				nodeID,
+				packet.Time,
+				advert.Position.Latitude,
+				advert.Position.Longitude,
+				advert.Position.Latitude,
+				advert.Position.Longitude,
+			); err != nil {
+				Logger.Warnf("collector: error storing node position: %v", err)
+				return
+			}
+		}
+	}
+}

go.mod

@@ -0,0 +1,39 @@
+module git.maze.io/ham/hamview
+
+go 1.25.6
+
+replace git.maze.io/go/ham => ../ham
+
+require (
+	git.maze.io/go/ham v0.0.0-20260218162317-db19ea81b095
+	github.com/Vaniog/go-postgis v0.0.0-20240619200434-9c2eb8ed621e
+	github.com/cemkiy/echo-logrus v0.0.0-20200218141616-06f9cd1dae34
+	github.com/cridenour/go-postgis v1.0.1
+	github.com/eclipse/paho.mqtt.golang v1.5.1
+	github.com/golang-jwt/jwt/v5 v5.3.1
+	github.com/labstack/echo/v4 v4.15.0
+	github.com/lib/pq v1.11.2
+	github.com/sirupsen/logrus v1.9.4
+	github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07
+	github.com/urfave/cli/v3 v3.6.2
+	go.yaml.in/yaml/v3 v3.0.4
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/kr/pretty v0.3.0 // indirect
+	github.com/labstack/gommon v0.4.2 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/rogpeppe/go-internal v1.8.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	golang.org/x/crypto v0.48.0 // indirect
+	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/time v0.14.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+)

go.sum

@@ -0,0 +1,113 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/Vaniog/go-postgis v0.0.0-20240619200434-9c2eb8ed621e h1:Ck+0lNRr62RM/LNKkkD0R1aJ2DvgELqmmuNvyyHL75E=
+github.com/Vaniog/go-postgis v0.0.0-20240619200434-9c2eb8ed621e/go.mod h1:o3MIxN5drWoGBTtBGtLqFZlr7RjfdQKnfwYXoUU77vU=
+github.com/cemkiy/echo-logrus v0.0.0-20200218141616-06f9cd1dae34 h1:cGxEwqDl+PiqPtJpQNoiJIXcrVEkkSMuMQtb+PPAHL4=
+github.com/cemkiy/echo-logrus v0.0.0-20200218141616-06f9cd1dae34/go.mod h1:kvJeauv7Kc2LibOGGom8nEWyjjaN7LIsCdbkrFfU9rE=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/cridenour/go-postgis v1.0.1 h1:H8LkcOgoASyxDMej3xzF1OcXtskvsDfcL/gxcb8r0ow=
+github.com/cridenour/go-postgis v1.0.1/go.mod h1:KEQNef9ssi7Q0nQFBo5b4l6hjVw7EoFQ5GD8rBYD8kU=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/cmd/all.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"errors"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+)
+
+func AllFlags(configFile string) []cli.Flag {
+	return append(ConfigFlags(configFile), LoggerFlags()...)
+}
+
+func WaitForInterrupt(logger *logrus.Logger, what string) error {
+	sigs := make(chan os.Signal, 1)
+	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
+
+	logger.Infof("%s: running, interrupt with ^C", what)
+	for sig := range sigs {
+		return errors.New("terminating on signal " + sig.String())
+	}
+
+	return nil
+}

internal/cmd/config.go

@@ -0,0 +1,80 @@
+package cmd
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+	"go.yaml.in/yaml/v3"
+)
+
+const (
+	FlagConfig = "config"
+)
+
+func ConfigFlags(defaultValue string) []cli.Flag {
+	return []cli.Flag{
+		&cli.StringFlag{
+			Name:    FlagConfig,
+			Aliases: []string{"c"},
+			Usage:   "Configuration file path",
+			Value:   defaultValue,
+		},
+	}
+}
+
+type ConfigWithIncludes interface {
+	Includes() []string
+}
+
+func Load(logger *logrus.Logger, name string, config ConfigWithIncludes, parsed ...string) (err error) {
+	if !filepath.IsAbs(name) {
+		var abs string
+		if abs, err = filepath.Abs(name); err != nil {
+			return
+		}
+		logger.Tracef("config: canonicallize %s => %s", name, abs)
+		name = abs
+	}
+
+	logger.Tracef("config: parsed %s", parsed)
+	logger.Debugf("config: parse %s", name)
+	var data []byte
+	if data, err = os.ReadFile(name); err != nil {
+		return
+	}
+
+	decoder := yaml.NewDecoder(bytes.NewBuffer(data))
+	decoder.KnownFields(true)
+	if err = decoder.Decode(config); err != nil {
+		return err
+	}
+
+	for _, include := range config.Includes() {
+		if contains(parsed, include) {
+			continue
+		}
+		if !filepath.IsAbs(include) {
+			abs := filepath.Clean(filepath.Join(filepath.Dir(name), include))
+			logger.Tracef("config: canonicallize %s => %s", include, abs)
+			include = abs
+		}
+		parsed = append(parsed, include)
+		if err = Load(logger, include, config, parsed...); err != nil {
+			return
+		}
+	}
+
+	return nil
+}
+
+func contains(ss []string, s string) bool {
+	for _, v := range ss {
+		if v == s {
+			return true
+		}
+	}
+	return false
+}

internal/cmd/logger.go

@@ -0,0 +1,69 @@
+package cmd
+
+import (
+	"context"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v3"
+
+	"git.maze.io/go/ham/protocol/meshcore"
+	"git.maze.io/go/hamview"
+)
+
+const (
+	FlagQuiet = "quiet"
+	FlagDebug = "debug"
+	FlagTrace = "trace"
+)
+
+func LoggerFlags() []cli.Flag {
+	return []cli.Flag{
+		&cli.BoolFlag{
+			Name:    FlagQuiet,
+			Aliases: []string{"q"},
+			Usage:   "Disable informational logging",
+		},
+		&cli.BoolFlag{
+			Name:    FlagDebug,
+			Aliases: []string{"D"},
+			Usage:   "Enable debug level logging",
+		},
+		&cli.BoolFlag{
+			Name:    FlagTrace,
+			Aliases: []string{"T"},
+			Usage:   "Enable trace level logging",
+		},
+	}
+}
+
+func ConfigureLogging(logger **logrus.Logger) cli.BeforeFunc {
+	return func(ctx context.Context, cmd *cli.Command) (context.Context, error) {
+		*logger = NewLogger(cmd)
+		hamview.Logger = *logger
+		return ctx, nil
+	}
+}
+
+func NewLogger(cmd *cli.Command) *logrus.Logger {
+	logger := logrus.New()
+	logger.SetFormatter(&logrus.TextFormatter{
+		FullTimestamp:   true,
+		TimestampFormat: time.RFC3339,
+	})
+
+	if cmd != nil {
+		if cmd.Bool(FlagTrace) {
+			logger.SetLevel(logrus.TraceLevel)
+		} else if cmd.Bool(FlagDebug) {
+			logger.SetLevel(logrus.DebugLevel)
+		} else if cmd.Bool(FlagQuiet) {
+			logger.SetLevel(logrus.ErrorLevel)
+		}
+	}
+
+	// Update package loggers:
+	meshcore.Logger = logger
+
+	return logger
+}

meshcore.go

@@ -0,0 +1,185 @@
+package hamview
+
+import (
+	"database/sql"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"time"
+
+	"github.com/Vaniog/go-postgis"
+	"github.com/tarm/serial"
+	"go.yaml.in/yaml/v3"
+
+	"git.maze.io/go/ham/protocol"
+	"git.maze.io/go/ham/protocol/meshcore"
+)
+
+type MeshCoreConfig struct {
+	Type string    `yaml:"type"`
+	Conf yaml.Node `yaml:"conf"`
+}
+
+type MeshCoreCompanionConfig struct {
+	Port string `yaml:"port"`
+	Baud int    `yaml:"baud"`
+	Addr string `yaml:"addr"`
+}
+
+type MeshCorePrefix byte
+
+func (prefix *MeshCorePrefix) MarshalJSON() ([]byte, error) {
+	s := fmt.Sprintf("%02x", *prefix)
+	return json.Marshal(s)
+}
+
+func (prefix *MeshCorePrefix) UnmarshalJSON(b []byte) error {
+	var s string
+	if err := json.Unmarshal(b, &s); err != nil {
+		return err
+	}
+	if n, err := fmt.Sscanf(s, "%02x", &prefix); err != nil {
+		return err
+	} else if n != 1 {
+		return errors.New("no prefix could be decoded")
+	}
+	return nil
+}
+
+func NewMeshCoreReceiver(config *MeshCoreConfig) (protocol.PacketReceiver, error) {
+	switch config.Type {
+	case "companion", "":
+		return newMeshCoreCompanionReceiver(config.Conf)
+
+	default:
+		return nil, fmt.Errorf("hamview: unsupported MeshCore node type %q", config.Type)
+	}
+}
+
+func newMeshCoreCompanionReceiver(node yaml.Node) (protocol.PacketReceiver, error) {
+	var config MeshCoreCompanionConfig
+	if err := node.Decode(&config); err != nil {
+		return nil, err
+	}
+
+	var (
+		conn io.ReadWriteCloser
+		err  error
+	)
+	switch {
+	case config.Addr != "":
+		Logger.Infof("receiver: connecting to MeshCore companion at tcp://%s", config.Addr)
+		conn, err = net.Dial("tcp", config.Addr)
+
+	default:
+		if config.Port == "" {
+			// TODO: detect serial ports
+			config.Port = "/dev/ttyUSB0"
+		}
+		if config.Baud == 0 {
+			config.Baud = 115200
+		}
+		Logger.Infof("receiver: connecting to MeshCore companion on %s at %d baud", config.Port, config.Baud)
+		conn, err = serial.OpenPort(&serial.Config{
+			Name: config.Port,
+			Baud: config.Baud,
+		})
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	receiver, err := meshcore.NewCompanion(conn)
+	if err != nil {
+		_ = conn.Close()
+		Logger.Warnf("receiver: error connecting to companion: %v", err)
+		return nil, err
+	}
+
+	info := receiver.Info()
+	Logger.Infof("receiver: connected to MeshCore Companion %q model %q version %q", info.Name, info.Manufacturer, info.FirmwareVersion)
+	return receiver, nil
+}
+
+type meshCoreNode struct {
+	Name       string             `json:"name"`
+	PublicKey  []byte             `json:"public_key"`
+	Prefix     MeshCorePrefix     `json:"prefix"`
+	NodeType   meshcore.NodeType  `json:"node_type"`
+	FirstHeard time.Time          `json:"first_heard"`
+	LastHeard  time.Time          `json:"last_heard"`
+	Position   *meshcore.Position `json:"position"`
+}
+
+type meshCoreNodeDistance struct {
+	meshCoreNode
+	Distance float64 `json:"distance"`
+}
+
+func meshCoreRepeaterWithPrefixCloseTo(db *sql.DB, prefix MeshCorePrefix, position *meshcore.Position) (node *meshCoreNodeDistance, err error) {
+	if position == nil {
+		return nil, os.ErrNotExist
+	}
+
+	node = &meshCoreNodeDistance{
+		meshCoreNode: meshCoreNode{
+			Position: new(meshcore.Position),
+		},
+	}
+	var nodePrefix []byte
+	if err = db.QueryRow(`
+	SELECT
+		n.name,
+		n.public_key,
+		n.prefix,
+		n.first_heard,
+		n.last_heard,
+		n.last_latitude,
+		n.last_longitude,
+		ST_DistanceSphere(
+			last_position,
+			GeomFromEWKB($2)
+		) AS distance
+	FROM
+		meshcore_node n
+	WHERE
+		n.prefix = $1
+	AND
+		n.last_latitude IS NOT NULL
+	AND
+		n.last_longitude IS NOT NULL
+	AND
+		n.last_position IS NOT NULL
+	ORDER BY
+		distance ASC
+	LIMIT 1
+	`,
+		[]byte{byte(prefix)},
+		postgis.PointS{
+			SRID: 4326,
+			X:    position.Latitude,
+			Y:    position.Longitude,
+		},
+	).Scan(
+		&node.Name,
+		&node.PublicKey,
+		&nodePrefix,
+		&node.FirstHeard,
+		&node.LastHeard,
+		&node.Position.Latitude,
+		&node.Position.Longitude,
+		&node.Distance,
+	); err != nil {
+		if err == sql.ErrNoRows {
+			return nil, os.ErrNotExist
+		}
+		return
+	}
+	if len(nodePrefix) > 0 {
+		node.Prefix = MeshCorePrefix(nodePrefix[0])
+	}
+	return
+}

radio.go

@@ -0,0 +1,11 @@
+package hamview
+
+import "git.maze.io/go/ham/radio"
+
+type Radio struct {
+	*radio.Info
+
+	Protocol string `json:"protocol"`
+	ID       string `json:"id"` // Unique identifier for the device
+	IsOnline bool   `json:"is_online"`
+}

server.go

@@ -0,0 +1,423 @@
+package hamview
+
+import (
+	"database/sql"
+	"encoding/base64"
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"net"
+	"net/http"
+	"os"
+	"slices"
+	"strconv"
+	"strings"
+	"time"
+
+	echologrus "github.com/cemkiy/echo-logrus"
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+
+	"git.maze.io/go/ham/protocol/meshcore"
+	"git.maze.io/go/ham/protocol/meshcore/crypto"
+)
+
+const DefaultServerListen = ":8073"
+
+type ServerConfig struct {
+	Listen string `yaml:"listen"`
+}
+
+type Server struct {
+	listen     string
+	listenAddr *net.TCPAddr
+	db         *sql.DB
+}
+
+func NewServer(serverConfig *ServerConfig, databaseConfig *DatabaseConfig) (*Server, error) {
+	if serverConfig.Listen == "" {
+		serverConfig.Listen = DefaultServerListen
+	}
+
+	listenAddr, err := net.ResolveTCPAddr("tcp", serverConfig.Listen)
+	if err != nil {
+		return nil, fmt.Errorf("hamview: invalid listen address %q: %v", serverConfig.Listen, err)
+	}
+
+	db, err := sql.Open(databaseConfig.Type, databaseConfig.Conf)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Server{
+		listen:     serverConfig.Listen,
+		listenAddr: listenAddr,
+		db:         db,
+	}, nil
+}
+
+func (server *Server) Run() error {
+	echologrus.Logger = Logger
+
+	e := echo.New()
+	e.Logger = echologrus.GetEchoLogger()
+	e.Use(echologrus.Hook())
+	e.Use(middleware.RequestLogger())
+	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
+		AllowOrigins: []string{"*"},
+		AllowHeaders: []string{echo.HeaderOrigin, echo.HeaderContentType, echo.HeaderAccept},
+	}))
+
+	e.GET("/api/v1/meshcore/nodes", server.apiGetMeshCoreNodes)
+	e.GET("/api/v1/meshcore/packets", server.apiGetMeshCorePackets)
+	e.GET("/api/v1/meshcore/path/:origin/:path", server.apiGetMeshCorePath)
+	e.GET("/api/v1/meshcore/sources", server.apiGetMeshCoreSources)
+
+	if server.listenAddr.IP == nil || server.listenAddr.IP.Equal(net.ParseIP("0.0.0.0")) || server.listenAddr.IP.Equal(net.ParseIP("::")) {
+		Logger.Infof("server: listening on http://127.0.0.1:%d", server.listenAddr.Port)
+	} else {
+		Logger.Infof("server: listening on http://%s:%d", server.listenAddr.IP, server.listenAddr.Port)
+	}
+
+	return e.Start(server.listen)
+}
+
+func (server *Server) apiError(ctx echo.Context, err error, status ...int) error {
+	Logger.Warnf("server: error serving %s %s: %v", ctx.Request().Method, ctx.Request().URL.Path, err)
+
+	if len(status) > 0 {
+		return ctx.JSON(status[0], map[string]any{
+			"error": err.Error(),
+		})
+	}
+
+	switch {
+	case os.IsNotExist(err):
+		return ctx.JSON(http.StatusNotFound, nil)
+	case os.IsPermission(err):
+		return ctx.JSON(http.StatusUnauthorized, nil)
+	default:
+		return ctx.JSON(http.StatusInternalServerError, map[string]any{
+			"error": err.Error(),
+		})
+	}
+}
+
+type meshCoreNodeResponse struct {
+	SNR        float64            `json:"snr"`
+	RSSI       int8               `json:"rssi"`
+	Name       string             `json:"name"`
+	PublicKey  []byte             `json:"public_key"`
+	Prefix     byte               `json:"prefix"`
+	NodeType   meshcore.NodeType  `json:"node_type"`
+	FirstHeard time.Time          `json:"first_heard"`
+	LastHeard  time.Time          `json:"last_heard"`
+	Position   *meshcore.Position `json:"position"`
+}
+
+func (server *Server) apiGetMeshCoreNodes(ctx echo.Context) error {
+	/*
+		nodeTypes := getQueryInts(ctx, "type")
+		if len(nodeTypes) == 0 {
+			nodeTypes = []int{
+				int(meshcore.Repeater),
+			}
+		}
+	*/
+	nodeType := meshcore.Repeater
+	if ctx.QueryParam("type") != "" {
+		nodeType = meshcore.NodeType(getQueryInt(ctx, "type"))
+	}
+
+	rows, err := server.db.Query(sqlSelectMeshCoreNodesLastPosition, nodeType, 25)
+	if err != nil {
+		return server.apiError(ctx, err)
+	}
+
+	var (
+		response []meshCoreNodeResponse
+		prefix   []byte
+	)
+	for rows.Next() {
+		var (
+			row      meshCoreNodeResponse
+			lat, lng *float64
+		)
+		if err := rows.Scan(
+			&row.SNR,
+			&row.RSSI,
+			&row.Name,
+			&row.PublicKey,
+			&prefix,
+			&row.NodeType,
+			&row.FirstHeard,
+			&row.LastHeard,
+			&lat,
+			&lng,
+		); err != nil {
+			return server.apiError(ctx, err)
+		}
+		if lat != nil && lng != nil {
+			row.Position = &meshcore.Position{
+				Latitude:  *lat,
+				Longitude: *lng,
+			}
+		}
+		if len(prefix) > 0 {
+			row.Prefix = prefix[0]
+		}
+		response = append(response, row)
+	}
+
+	return ctx.JSON(http.StatusOK, response)
+}
+
+type meshCorePacketResponse struct {
+	SNR         float64   `json:"snr"`
+	RSSI        int8      `json:"rssi"`
+	Hash        []byte    `json:"hash"`
+	RouteType   byte      `json:"route_type"`
+	PayloadType byte      `json:"payload_type"`
+	Path        []byte    `json:"path"`
+	ReceivedAt  time.Time `json:"received_at"`
+	Raw         []byte    `json:"raw"`
+	Parsed      []byte    `json:"parsed"`
+}
+
+func (server *Server) apiGetMeshCorePackets(ctx echo.Context) error {
+	var (
+		query string
+		limit = 25
+		args  []any
+	)
+	if hashParam := ctx.QueryParam("hash"); hashParam != "" {
+		var (
+			hash []byte
+			err  error
+		)
+		switch len(hashParam) {
+		case base64.URLEncoding.EncodedLen(8):
+			hash, err = base64.URLEncoding.DecodeString(hashParam)
+		case hex.EncodedLen(8):
+			hash, err = hex.DecodeString(hashParam)
+		default:
+			err = errors.New("invalid encoding")
+		}
+		if err != nil {
+			return server.apiError(ctx, err, http.StatusBadRequest)
+		}
+		query = sqlSelectMeshCorePacketsByHash
+		args = []any{hash}
+	} else {
+		query = sqlSelectMeshCorePackets
+		args = []any{limit}
+	}
+
+	rows, err := server.db.Query(query, args...)
+	if err != nil {
+		return server.apiError(ctx, err)
+	}
+
+	var response []meshCorePacketResponse
+	for rows.Next() {
+		var row meshCorePacketResponse
+		if err := rows.Scan(
+			&row.SNR,
+			&row.RSSI,
+			&row.Hash,
+			&row.RouteType,
+			&row.PayloadType,
+			&row.Path,
+			&row.ReceivedAt,
+			&row.Raw,
+			&row.Parsed,
+		); err != nil {
+			return server.apiError(ctx, err)
+		}
+		response = append(response, row)
+	}
+
+	return ctx.JSON(http.StatusOK, response)
+}
+
+type meshCorePathResponse struct {
+	Origin *meshCoreNode           `json:"origin"`
+	Path   []*meshCoreNodeDistance `json:"path"`
+}
+
+func (server *Server) apiGetMeshCorePath(ctx echo.Context) error {
+	origin, err := hex.DecodeString(ctx.Param("origin"))
+	if err != nil || len(origin) != crypto.PublicKeySize {
+		return ctx.JSON(http.StatusBadRequest, map[string]any{
+			"error": "invalid origin",
+		})
+	}
+
+	path, err := hex.DecodeString(ctx.Param("path"))
+	if err != nil || len(path) == 0 {
+		return ctx.JSON(http.StatusBadRequest, map[string]any{
+			"error": "invalid path",
+		})
+	}
+
+	var (
+		node                meshCoreNodeDistance
+		prefix              []byte
+		latitude, longitude *float64
+	)
+	if err := server.db.QueryRow(`
+		SELECT
+			n.name,
+			n.public_key,
+			n.prefix,
+			n.first_heard,
+			n.last_heard,
+			n.last_latitude,
+			n.last_longitude
+		FROM
+			meshcore_node n
+		WHERE
+			n.node_type = 2 AND
+			n.public_key = $1
+		`,
+		origin,
+	).Scan(
+		&node.Name,
+		&node.PublicKey,
+		&prefix,
+		&node.FirstHeard,
+		&node.LastHeard,
+		&latitude,
+		&longitude,
+	); err != nil {
+		return server.apiError(ctx, err)
+	}
+	node.Prefix = MeshCorePrefix(prefix[0])
+	if latitude == nil || longitude == nil {
+		return ctx.JSON(http.StatusNotFound, map[string]any{
+			"error": "origin has no known position",
+		})
+	}
+	node.Position = &meshcore.Position{
+		Latitude:  *latitude,
+		Longitude: *longitude,
+	}
+
+	var (
+		current = &node
+		trace   []*meshCoreNodeDistance
+	)
+	slices.Reverse(path)
+	for _, prefix := range path {
+		if prefix != byte(current.Prefix) {
+			var hop *meshCoreNodeDistance
+			if hop, err = meshCoreRepeaterWithPrefixCloseTo(server.db, MeshCorePrefix(prefix), current.Position); err != nil {
+				if !os.IsNotExist(err) {
+					return server.apiError(ctx, err)
+				}
+				current = &meshCoreNodeDistance{
+					meshCoreNode: meshCoreNode{
+						Prefix:   MeshCorePrefix(prefix),
+						Position: current.Position,
+					},
+				}
+			} else {
+				current = hop
+			}
+		}
+		trace = append(trace, current)
+	}
+
+	/*
+		if path[len(path)-1] == node.Prefix {
+			path = path[:len(path)-2]
+		}
+	*/
+
+	var response = meshCorePathResponse{
+		Origin: &node.meshCoreNode,
+		Path:   trace,
+	}
+	return ctx.JSON(http.StatusOK, response)
+}
+
+type meshCoreSourcesResponse struct {
+	Window  time.Time      `json:"time"`
+	Packets map[string]int `json:"packets"`
+}
+
+func (server *Server) apiGetMeshCoreSources(ctx echo.Context) error {
+	var (
+		now     = time.Now().UTC()
+		windows = map[string]struct {
+			Interval int
+			Since    time.Duration
+		}{
+			"24h": {900, time.Hour * 24},
+			"1w":  {3600, time.Hour * 24 * 7},
+		}
+		window = ctx.QueryParam("window")
+	)
+	if window == "" {
+		window = "24h"
+	}
+	params, ok := windows[window]
+	if !ok {
+		return server.apiError(ctx, os.ErrNotExist)
+	}
+
+	rows, err := server.db.Query(sqlSelectMeshCorePacketsByRepeaterWindowed, params.Interval, now.Add(-params.Since))
+	if err != nil {
+		return server.apiError(ctx, err)
+	}
+
+	var (
+		response []*meshCoreSourcesResponse
+		buckets  = make(map[int64]*meshCoreSourcesResponse)
+	)
+	for rows.Next() {
+		var result struct {
+			Window   time.Time
+			Repeater string
+			Packets  int
+		}
+		if err := rows.Scan(&result.Window, &result.Repeater, &result.Packets); err != nil {
+			return server.apiError(ctx, err)
+		}
+		if result.Packets <= 10 {
+			continue // ignore
+		}
+
+		if bucket, ok := buckets[result.Window.Unix()]; ok {
+			bucket.Packets[result.Repeater] = result.Packets
+		} else {
+			bucket = &meshCoreSourcesResponse{
+				Window: result.Window,
+				Packets: map[string]int{
+					result.Repeater: result.Packets,
+				},
+			}
+			response = append(response, bucket)
+			buckets[result.Window.Unix()] = bucket
+		}
+	}
+
+	return ctx.JSON(http.StatusOK, response)
+}
+
+func getQueryInt(ctx echo.Context, param string) int {
+	v, _ := strconv.Atoi(ctx.QueryParam(param))
+	return v
+}
+
+func getQueryInts(ctx echo.Context, param string) []int {
+	var values []int
+	if keys := strings.Split(ctx.QueryParam(param), ","); len(keys) > 0 {
+		for _, value := range keys {
+			if v, err := strconv.Atoi(value); err == nil {
+				values = append(values, v)
+			}
+		}
+	}
+	return values
+}

sql.go

@@ -0,0 +1,236 @@
+package hamview
+
+const (
+	sqlCreateRadio = `
+	CREATE TABLE IF NOT EXISTS radio (
+		id			 		BIGSERIAL PRIMARY KEY,
+		name				VARCHAR(64) NOT NULL UNIQUE,
+		is_online           BOOLEAN NOT NULL DEFAULT false,
+		device          	VARCHAR(100),
+		manufacturer    	VARCHAR(100),
+		firmware_date  		TIMESTAMPTZ,
+		firmware_version 	VARCHAR(32),
+		antenna             VARCHAR(100),
+		modulation          VARCHAR(16) NOT NULL,
+		protocol			VARCHAR(16) NOT NULL,
+		latitude 			NUMERIC(10, 8), 					-- GPS latitude in decimal degrees
+    	longitude 			NUMERIC(11, 8),  					-- GPS longitude in decimal degrees
+		altitude            REAL,								-- Altitude in meters
+		frequency			DOUBLE PRECISION,
+		bandwidth			DOUBLE PRECISION,
+		rx_frequency		DOUBLE PRECISION,
+		tx_frequency 		DOUBLE PRECISION,
+		power				REAL,
+		gain				REAL,
+		lora_sf				SMALLINT,
+		lora_cr				SMALLINT,
+		extra				JSONB
+	);
+	`
+	sqlIndexRadioName        = `CREATE INDEX IF NOT EXISTS idx_radio_name ON radio(name);`
+	sqlIndexRadioProtocol    = `CREATE INDEX IF NOT EXISTS idx_radio_protocol ON radio(protocol);`
+	sqlGeometryRadioPosition = `SELECT AddGeometryColumn('public', 'radio', 'position', 4326, 'POINT', 2);`
+)
+
+const (
+	sqlCreateAPRSStation = `
+	CREATE TABLE IF NOT EXISTS aprs_station (
+		id			 	BIGSERIAL PRIMARY KEY,
+		address         VARCHAR(10) NOT NULL UNIQUE,
+		last_heard      TIMESTAMPTZ NOT NULL,
+		last_path       TEXT[],
+		last_comment    TEXT
+	);
+	`
+	sqlCreateAPRSPacket = `
+	CREATE TABLE IF NOT EXISTS aprs_packet (
+		id			 	BIGSERIAL PRIMARY KEY,
+		src_address     VARCHAR(10) NOT NULL,
+		dst_address     VARCHAR(10) NOT NULL,
+		comment         TEXT,
+		payload 		BYTEA,
+		raw             BYTEA,
+		received_at	 	TIMESTAMPTZ NOT NULL DEFAULT NOW()
+	);
+	`
+)
+
+const (
+	sqlCreateMeshCorePacket = `
+	CREATE TABLE IF NOT EXISTS meshcore_packet (
+		id			 	BIGSERIAL PRIMARY KEY,
+		snr				REAL NOT NULL DEFAULT 0,
+		rssi			SMALLINT NOT NULL DEFAULT 0,
+		hash          	BYTEA NOT NULL,				-- Used for deduplication
+		route_type      SMALLINT NOT NULL,
+		payload_type    SMALLINT NOT NULL,
+		path            BYTEA,
+		payload 		BYTEA,
+		raw             BYTEA,
+		parsed			JSONB,
+		received_at	 	TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+		created_at   	TIMESTAMPTZ NOT NULL DEFAULT NOW()
+	);
+	`
+	sqlIndexMeshCorePacketHash        = `CREATE INDEX IF NOT EXISTS idx_meshcore_packet_hash ON meshcore_packet(hash);`
+	sqlIndexMeshCorePacketPayloadType = `CREATE INDEX IF NOT EXISTS idx_meshcore_packet_payload_type ON meshcore_packet(payload_type);`
+)
+
+const (
+	sqlCreateMeshCoreNode = `
+	CREATE TABLE IF NOT EXISTS meshcore_node (
+		id			 	BIGSERIAL PRIMARY KEY,
+		last_advert_id  BIGINT NOT NULL REFERENCES meshcore_packet(id) ON DELETE CASCADE,
+		node_type       SMALLINT NOT NULL DEFAULT 0,
+		public_key 		BYTEA NOT NULL UNIQUE,
+		name 			TEXT,
+		local_time      TIMESTAMPTZ NOT NULL,
+		first_heard     TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+		last_heard  	TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+		last_latitude 	NUMERIC(10, 8), 					-- GPS latitude in decimal degrees
+    	last_longitude 	NUMERIC(11, 8),  					-- GPS longitude in decimal degrees
+		last_position   GEOMETRY(POINT, 4326)
+	);
+	`
+	sqlIndexMeshCoreNodePublicKey    = `CREATE INDEX IF NOT EXISTS idx_meshcore_node_public_key ON meshcore_node(public_key);`
+	sqlIndexMeshCoreNodeName         = `CREATE INDEX IF NOT EXISTS idx_meshcore_node_name ON meshcore_node(name);`
+	sqlAlterMeshCoreNodePrefix       = `ALTER TABLE meshcore_node ADD COLUMN IF NOT EXISTS prefix BYTEA GENERATED ALWAYS AS (substring(public_key, 0, 2)) STORED;`
+	sqlGeometryMeshCoreNodePosition  = `SELECT AddGeometryColumn('public', 'meshcore_node', 'position', 4326, 'POINT', 2);`
+	sqlAlterMeshCoreNodeLastPosition = `
+	ALTER TABLE meshcore_node
+	ADD COLUMN last_position GEOMETRY(Point, 4326)
+	GENERATED ALWAYS AS (
+		CASE
+			WHEN last_latitude IS NOT NULL AND last_longitude IS NOT NULL THEN ST_SetSRID(ST_MakePoint(last_latitude, last_longitude), 4326)
+			ELSE NULL
+		END
+	) STORED;`
+)
+
+const (
+	sqlCreateMeshCoreNodePosition = `
+	CREATE TABLE IF NOT EXISTS meshcore_node_position (
+		id			 	BIGSERIAL PRIMARY KEY,
+		node_id 		BIGINT NOT NULL REFERENCES meshcore_node(id) ON DELETE CASCADE,
+		heard_at		TIMESTAMPTZ NOT NULL,
+		latitude        NUMERIC(10, 8), 					-- GPS latitude in decimal degrees
+		longitude 		NUMERIC(11, 8)	 					-- GPS longitude in decimal degrees
+	);
+	`
+	sqlGeometryMeshCoreNodePositionPosition = `SELECT AddGeometryColumn('public', 'meshcore_node_position', 'position', 4326, 'POINT', 2);`
+	sqlIndexMeshCoreNodePositionPosition    = `CREATE INDEX IF NOT EXISTS idx_meshcore_node_position_position ON meshcore_node_position USING GIST (position);`
+)
+
+const (
+	sqlSelectMeshCoreNodesLastPosition = `
+		WITH ranked_positions AS (
+		SELECT
+			node_id, latitude, longitude, position,
+			ROW_NUMBER() OVER (PARTITION BY node_id ORDER BY heard_at DESC) as rn
+			FROM meshcore_node_position
+		)
+		SELECT
+			r.snr,
+			r.rssi,
+			n.name,
+			n.public_key,
+			n.prefix,
+			n.node_type,
+			n.first_heard,
+			n.last_heard,
+			p.latitude,
+			p.longitude
+		FROM
+			meshcore_node n
+		LEFT JOIN ranked_positions p ON n.id = p.node_id AND p.rn = 1
+		LEFT JOIN meshcore_packet r ON r.id = n.last_advert_id
+		WHERE
+			n.node_type = $1
+		ORDER BY last_heard DESC LIMIT $2;
+	`
+	sqlSelectMeshCorePackets = `
+		SELECT
+			snr,
+			rssi,
+			hash,
+			route_type,
+			payload_type,
+			path,
+			received_at,
+			raw,
+			parsed
+		FROM
+			meshcore_packet
+		ORDER BY
+			received_at DESC
+		LIMIT $1;
+	`
+	sqlSelectMeshCorePacketsByHash = `
+		SELECT
+			snr,
+			rssi,
+			hash,
+			route_type,
+			payload_type,
+			path,
+			received_at,
+			raw,
+			parsed
+		FROM
+			meshcore_packet
+		WHERE
+			hash = $1
+		ORDER BY
+			received_at DESC;
+	`
+	sqlSelectMeshCorePacketsByRepeaterWindowed = `
+		SELECT 
+			to_timestamp(round(EXTRACT(EPOCH FROM received_at) / $1) * $1) as window,
+			cast(to_hex(get_byte(path, length(path)-2)) as text) AS repeater,
+			count(id) AS packets
+		FROM
+			meshcore_packet
+		WHERE
+			length(path) >= 2 AND
+			received_at >= $2
+		GROUP BY 
+			round(EXTRACT(EPOCH FROM received_at) / $1), 
+			cast(to_hex(get_byte(path, length(path)-2)) as text);
+	`
+	sqlSelectMeshCorePacketPathNodes = `
+	WITH RECURSIVE
+	params AS (
+		$1::BYTEA as path,
+		$2::NUMERIC(10, 8) as start_latitude,
+		$3::NUMERIC(11, 8) as start_longitude,
+		$4::DOUBLE PRECISION as max_range_m
+	),
+
+	path_prefix AS (
+		SELECT
+	)
+	`
+)
+
+const (
+	sqlCreateMeshCoreIdentity = `
+	CREATE TABLE IF NOT EXISTS meshcore_identity (
+		id			 	BIGSERIAL PRIMARY KEY,
+		name            VARCHAR(32) NOT NULL UNIQUE,
+		public_key      BYTEA(32) NOT NULL UNIQUE,
+		private_key     BYTEA(64) NOT NULL
+	);
+	`
+)
+
+const (
+	sqlCreateMeshCoreGroup = `
+	CREATE TABLE IF NOT EXISTS meshcore_group (
+		id			 	BIGSERIAL PRIMARY KEY,
+		name            VARCHAR(32) NOT NULL UNIQUE,
+		hash            SMALLINT NOT NULL,
+		shared_key      VARCHAR(64) NOT NULL,
+		is_public       BOOLEAN NOT NULL DEFAULT FALSE
+	);
+	`
+)

util.go

@@ -0,0 +1,20 @@
+package hamview
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"go.yaml.in/yaml/v3"
+)
+
+// Logger used by this package.
+var Logger *logrus.Logger = logrus.New()
+
+func unmarshalOne(node yaml.Node, value any) error {
+	Logger.Printf("node: %#+v", node)
+	Logger.Printf("content: %d", len(node.Content))
+	if len(node.Content) != 1 {
+		return fmt.Errorf("hamview: expected 1 configuration value, got %d", len(node.Content))
+	}
+	return node.Content[0].Decode(value)
+}