zigbee2mqtt/lib/extension/networkMap.js

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const settings = require('../util/settings');
const utils = require('../util/utils');
const zigbeeShepherdConverters = require('zigbee-shepherd-converters');
class NetworkMap {
constructor(zigbee, mqtt, state, publishEntityState) {
this.zigbee = zigbee;
this.mqtt = mqtt;
this.state = state;
// Subscribe to topic.
this.topic = `${settings.get().mqtt.base_topic}/bridge/networkmap`;
// Set supported formats
this.supportedFormats = {
'raw': this.raw,
'graphviz': this.graphviz,
};
}
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onMQTTConnected() {
this.mqtt.subscribe(this.topic);
}
onMQTTMessage(topic, message) {
message = message.toString();
if (topic === this.topic && this.supportedFormats.hasOwnProperty(message)) {
this.zigbee.networkScan((result)=> {
const converted = this.supportedFormats[message](this.zigbee, result);
this.mqtt.publish(`bridge/networkmap/${message}`, converted, {});
});
return true;
}
return false;
}
raw(zigbee, topology) {
return JSON.stringify(topology);
}
graphviz(zigbee, topology) {
let text = 'digraph G {\nnode[shape=record];\n';
let devStyle = '';
zigbee.getDevices().forEach((device) => {
const labels = [];
const friendlyDevice = settings.getDevice(device.ieeeAddr);
const friendlyName = friendlyDevice ? friendlyDevice.friendly_name : device.ieeeAddr;
// Add friendly name
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labels.push(`${friendlyName}:${device.nwkAddr}`);
// Add the device type
const deviceType = utils.correctDeviceType(device);
labels.push(deviceType);
// Add the device model
const mappedModel = zigbeeShepherdConverters.findByZigbeeModel(device.modelId);
if (mappedModel) {
labels.push(`${mappedModel.vendor} ${mappedModel.description} (${mappedModel.model})`);
} else {
// This model is not supported by zigbee-shepherd-converters, add zigbee model information, if available
const zigbeeModel = [device.manufName, device.modelId].filter((a) => a).join(' ');
labels.push(zigbeeModel ? zigbeeModel : 'No model information available');
}
// Add the device status (online/offline)
labels.push(device.status);
// Shape the record according to device type
if (deviceType == 'Coordinator') {
devStyle = 'style="bold"';
} else if (deviceType == 'Router') {
devStyle = 'style="rounded"';
} else {
devStyle = 'style="rounded, dashed"';
}
// Add the device with its labels to the graph as a node.
text += ` "${device.ieeeAddr}" [`+devStyle+`, label="{${labels.join('|')}}"];\n`;
/**
* Add an edge between the device and its parent to the graph
* NOTE: There are situations where a device is NOT in the topology, this can be e.g.
* due to not responded to the lqi scan. In that case we do not add an edge for this device.
*/
topology.filter((e) => (e.ieeeAddr === device.ieeeAddr) || (e.nwkAddr === device.nwkAddr)).forEach((e) => {
const lineStyle = (e.lqi==0) ? `style="dashed", ` : ``;
text += ` "${device.ieeeAddr}" -> "${e.parent}" [`+lineStyle+`label="${e.lqi}"]\n`;
});
});
text += '}';
return text.replace(/\0/g, '');
}
}
module.exports = NetworkMap;