mirror of
https://github.com/meshtastic/firmware.git
synced 2025-07-31 02:45:41 +00:00
444 lines
24 KiB
C++
444 lines
24 KiB
C++
#ifndef NRF52_USE_JSON
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#include "MeshPacketSerializer.h"
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#include "JSON.h"
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#include "NodeDB.h"
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#include "mesh/generated/meshtastic/mqtt.pb.h"
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#include "mesh/generated/meshtastic/telemetry.pb.h"
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#include "modules/RoutingModule.h"
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#include <DebugConfiguration.h>
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#include <mesh-pb-constants.h>
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#if defined(ARCH_ESP32)
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#include "../mesh/generated/meshtastic/paxcount.pb.h"
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#endif
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#include "mesh/generated/meshtastic/remote_hardware.pb.h"
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#include <sys/types.h>
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static const char *errStr = "Error decoding proto for %s message!";
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std::string MeshPacketSerializer::JsonSerialize(const meshtastic_MeshPacket *mp, bool shouldLog)
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{
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// the created jsonObj is immutable after creation, so
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// we need to do the heavy lifting before assembling it.
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std::string msgType;
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JSONObject jsonObj;
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if (mp->which_payload_variant == meshtastic_MeshPacket_decoded_tag) {
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JSONObject msgPayload;
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switch (mp->decoded.portnum) {
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case meshtastic_PortNum_TEXT_MESSAGE_APP: {
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msgType = "text";
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// convert bytes to string
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if (shouldLog)
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LOG_DEBUG("got text message of size %u", mp->decoded.payload.size);
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char payloadStr[(mp->decoded.payload.size) + 1];
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memcpy(payloadStr, mp->decoded.payload.bytes, mp->decoded.payload.size);
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payloadStr[mp->decoded.payload.size] = 0; // null terminated string
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// check if this is a JSON payload
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JSONValue *json_value = JSON::Parse(payloadStr);
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if (json_value != NULL) {
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if (shouldLog)
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LOG_INFO("text message payload is of type json");
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// if it is, then we can just use the json object
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jsonObj["payload"] = json_value;
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} else {
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// if it isn't, then we need to create a json object
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// with the string as the value
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if (shouldLog)
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LOG_INFO("text message payload is of type plaintext");
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msgPayload["text"] = new JSONValue(payloadStr);
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jsonObj["payload"] = new JSONValue(msgPayload);
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}
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break;
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}
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case meshtastic_PortNum_TELEMETRY_APP: {
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msgType = "telemetry";
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meshtastic_Telemetry scratch;
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meshtastic_Telemetry *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_Telemetry_msg, &scratch)) {
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decoded = &scratch;
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if (decoded->which_variant == meshtastic_Telemetry_device_metrics_tag) {
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// If battery is present, encode the battery level value
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// TODO - Add a condition to send a code for a non-present value
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if (decoded->variant.device_metrics.has_battery_level) {
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msgPayload["battery_level"] = new JSONValue((int)decoded->variant.device_metrics.battery_level);
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}
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msgPayload["voltage"] = new JSONValue(decoded->variant.device_metrics.voltage);
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msgPayload["channel_utilization"] = new JSONValue(decoded->variant.device_metrics.channel_utilization);
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msgPayload["air_util_tx"] = new JSONValue(decoded->variant.device_metrics.air_util_tx);
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msgPayload["uptime_seconds"] = new JSONValue((unsigned int)decoded->variant.device_metrics.uptime_seconds);
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} else if (decoded->which_variant == meshtastic_Telemetry_environment_metrics_tag) {
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// Avoid sending 0s for sensors that could be 0
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if (decoded->variant.environment_metrics.has_temperature) {
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msgPayload["temperature"] = new JSONValue(decoded->variant.environment_metrics.temperature);
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}
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if (decoded->variant.environment_metrics.has_relative_humidity) {
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msgPayload["relative_humidity"] = new JSONValue(decoded->variant.environment_metrics.relative_humidity);
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}
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if (decoded->variant.environment_metrics.has_barometric_pressure) {
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msgPayload["barometric_pressure"] =
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new JSONValue(decoded->variant.environment_metrics.barometric_pressure);
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}
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if (decoded->variant.environment_metrics.has_gas_resistance) {
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msgPayload["gas_resistance"] = new JSONValue(decoded->variant.environment_metrics.gas_resistance);
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}
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if (decoded->variant.environment_metrics.has_voltage) {
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msgPayload["voltage"] = new JSONValue(decoded->variant.environment_metrics.voltage);
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}
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if (decoded->variant.environment_metrics.has_current) {
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msgPayload["current"] = new JSONValue(decoded->variant.environment_metrics.current);
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}
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if (decoded->variant.environment_metrics.has_lux) {
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msgPayload["lux"] = new JSONValue(decoded->variant.environment_metrics.lux);
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}
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if (decoded->variant.environment_metrics.has_white_lux) {
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msgPayload["white_lux"] = new JSONValue(decoded->variant.environment_metrics.white_lux);
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}
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if (decoded->variant.environment_metrics.has_iaq) {
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msgPayload["iaq"] = new JSONValue((uint)decoded->variant.environment_metrics.iaq);
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}
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if (decoded->variant.environment_metrics.has_wind_speed) {
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msgPayload["wind_speed"] = new JSONValue(decoded->variant.environment_metrics.wind_speed);
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}
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if (decoded->variant.environment_metrics.has_wind_direction) {
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msgPayload["wind_direction"] = new JSONValue((uint)decoded->variant.environment_metrics.wind_direction);
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}
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if (decoded->variant.environment_metrics.has_wind_gust) {
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msgPayload["wind_gust"] = new JSONValue(decoded->variant.environment_metrics.wind_gust);
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}
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if (decoded->variant.environment_metrics.has_wind_lull) {
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msgPayload["wind_lull"] = new JSONValue(decoded->variant.environment_metrics.wind_lull);
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}
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if (decoded->variant.environment_metrics.has_radiation) {
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msgPayload["radiation"] = new JSONValue(decoded->variant.environment_metrics.radiation);
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}
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} else if (decoded->which_variant == meshtastic_Telemetry_air_quality_metrics_tag) {
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if (decoded->variant.air_quality_metrics.has_pm10_standard) {
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msgPayload["pm10"] = new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm10_standard);
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}
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if (decoded->variant.air_quality_metrics.has_pm25_standard) {
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msgPayload["pm25"] = new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm25_standard);
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}
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if (decoded->variant.air_quality_metrics.has_pm100_standard) {
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msgPayload["pm100"] = new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm100_standard);
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}
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// if (decoded->variant.air_quality_metrics.has_pm10_environmental) {
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// msgPayload["pm10_e"] =
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// new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm10_environmental);
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// }
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// if (decoded->variant.air_quality_metrics.has_pm25_environmental) {
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// msgPayload["pm25_e"] =
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// new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm25_environmental);
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// }
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// if (decoded->variant.air_quality_metrics.has_pm100_environmental) {
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// msgPayload["pm100_e"] =
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// new JSONValue((unsigned int)decoded->variant.air_quality_metrics.pm100_environmental);
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// }
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} else if (decoded->which_variant == meshtastic_Telemetry_power_metrics_tag) {
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if (decoded->variant.power_metrics.has_ch1_voltage) {
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msgPayload["voltage_ch1"] = new JSONValue(decoded->variant.power_metrics.ch1_voltage);
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}
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if (decoded->variant.power_metrics.has_ch1_current) {
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msgPayload["current_ch1"] = new JSONValue(decoded->variant.power_metrics.ch1_current);
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}
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if (decoded->variant.power_metrics.has_ch2_voltage) {
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msgPayload["voltage_ch2"] = new JSONValue(decoded->variant.power_metrics.ch2_voltage);
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}
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if (decoded->variant.power_metrics.has_ch2_current) {
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msgPayload["current_ch2"] = new JSONValue(decoded->variant.power_metrics.ch2_current);
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}
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if (decoded->variant.power_metrics.has_ch3_voltage) {
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msgPayload["voltage_ch3"] = new JSONValue(decoded->variant.power_metrics.ch3_voltage);
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}
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if (decoded->variant.power_metrics.has_ch3_current) {
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msgPayload["current_ch3"] = new JSONValue(decoded->variant.power_metrics.ch3_current);
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}
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}
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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case meshtastic_PortNum_NODEINFO_APP: {
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msgType = "nodeinfo";
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meshtastic_User scratch;
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meshtastic_User *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_User_msg, &scratch)) {
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decoded = &scratch;
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msgPayload["id"] = new JSONValue(decoded->id);
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msgPayload["longname"] = new JSONValue(decoded->long_name);
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msgPayload["shortname"] = new JSONValue(decoded->short_name);
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msgPayload["hardware"] = new JSONValue(decoded->hw_model);
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msgPayload["role"] = new JSONValue((int)decoded->role);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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case meshtastic_PortNum_POSITION_APP: {
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msgType = "position";
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meshtastic_Position scratch;
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meshtastic_Position *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_Position_msg, &scratch)) {
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decoded = &scratch;
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if ((int)decoded->time) {
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msgPayload["time"] = new JSONValue((unsigned int)decoded->time);
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}
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if ((int)decoded->timestamp) {
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msgPayload["timestamp"] = new JSONValue((unsigned int)decoded->timestamp);
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}
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msgPayload["latitude_i"] = new JSONValue((int)decoded->latitude_i);
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msgPayload["longitude_i"] = new JSONValue((int)decoded->longitude_i);
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if ((int)decoded->altitude) {
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msgPayload["altitude"] = new JSONValue((int)decoded->altitude);
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}
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if ((int)decoded->ground_speed) {
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msgPayload["ground_speed"] = new JSONValue((unsigned int)decoded->ground_speed);
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}
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if (int(decoded->ground_track)) {
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msgPayload["ground_track"] = new JSONValue((unsigned int)decoded->ground_track);
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}
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if (int(decoded->sats_in_view)) {
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msgPayload["sats_in_view"] = new JSONValue((unsigned int)decoded->sats_in_view);
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}
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if ((int)decoded->PDOP) {
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msgPayload["PDOP"] = new JSONValue((int)decoded->PDOP);
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}
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if ((int)decoded->HDOP) {
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msgPayload["HDOP"] = new JSONValue((int)decoded->HDOP);
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}
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if ((int)decoded->VDOP) {
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msgPayload["VDOP"] = new JSONValue((int)decoded->VDOP);
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}
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if ((int)decoded->precision_bits) {
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msgPayload["precision_bits"] = new JSONValue((int)decoded->precision_bits);
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}
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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case meshtastic_PortNum_WAYPOINT_APP: {
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msgType = "waypoint";
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meshtastic_Waypoint scratch;
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meshtastic_Waypoint *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_Waypoint_msg, &scratch)) {
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decoded = &scratch;
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msgPayload["id"] = new JSONValue((unsigned int)decoded->id);
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msgPayload["name"] = new JSONValue(decoded->name);
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msgPayload["description"] = new JSONValue(decoded->description);
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msgPayload["expire"] = new JSONValue((unsigned int)decoded->expire);
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msgPayload["locked_to"] = new JSONValue((unsigned int)decoded->locked_to);
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msgPayload["latitude_i"] = new JSONValue((int)decoded->latitude_i);
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msgPayload["longitude_i"] = new JSONValue((int)decoded->longitude_i);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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case meshtastic_PortNum_NEIGHBORINFO_APP: {
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msgType = "neighborinfo";
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meshtastic_NeighborInfo scratch;
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meshtastic_NeighborInfo *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_NeighborInfo_msg,
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&scratch)) {
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decoded = &scratch;
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msgPayload["node_id"] = new JSONValue((unsigned int)decoded->node_id);
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msgPayload["node_broadcast_interval_secs"] = new JSONValue((unsigned int)decoded->node_broadcast_interval_secs);
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msgPayload["last_sent_by_id"] = new JSONValue((unsigned int)decoded->last_sent_by_id);
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msgPayload["neighbors_count"] = new JSONValue(decoded->neighbors_count);
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JSONArray neighbors;
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for (uint8_t i = 0; i < decoded->neighbors_count; i++) {
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JSONObject neighborObj;
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neighborObj["node_id"] = new JSONValue((unsigned int)decoded->neighbors[i].node_id);
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neighborObj["snr"] = new JSONValue((int)decoded->neighbors[i].snr);
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neighbors.push_back(new JSONValue(neighborObj));
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}
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msgPayload["neighbors"] = new JSONValue(neighbors);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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case meshtastic_PortNum_TRACEROUTE_APP: {
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if (mp->decoded.request_id) { // Only report the traceroute response
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msgType = "traceroute";
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meshtastic_RouteDiscovery scratch;
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meshtastic_RouteDiscovery *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_RouteDiscovery_msg,
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&scratch)) {
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decoded = &scratch;
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JSONArray route; // Route this message took
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JSONArray routeBack; // Route this message took back
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JSONArray snrTowards; // Snr for forward route
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JSONArray snrBack; // Snr for reverse route
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// Lambda function for adding a long name to the route
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auto addToRoute = [](JSONArray *route, NodeNum num) {
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char long_name[40] = "Unknown";
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meshtastic_NodeInfoLite *node = nodeDB->getMeshNode(num);
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bool name_known = node ? node->has_user : false;
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if (name_known)
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memcpy(long_name, node->user.long_name, sizeof(long_name));
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route->push_back(new JSONValue(long_name));
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};
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addToRoute(&route, mp->to); // Started at the original transmitter (destination of response)
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for (uint8_t i = 0; i < decoded->route_count; i++) {
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addToRoute(&route, decoded->route[i]);
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}
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addToRoute(&route, mp->from); // Ended at the original destination (source of response)
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addToRoute(&routeBack, mp->from); // Started at the original destination (source of response)
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for (uint8_t i = 0; i < decoded->route_back_count; i++) {
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addToRoute(&routeBack, decoded->route_back[i]);
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}
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addToRoute(&routeBack, mp->to); // Ended at the original transmitter (destination of response)
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for (uint8_t i = 0; i < decoded->snr_back_count; i++) {
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snrBack.push_back(new JSONValue((float)decoded->snr_back[i] / 4));
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}
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for (uint8_t i = 0; i < decoded->snr_towards_count; i++) {
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snrTowards.push_back(new JSONValue((float)decoded->snr_towards[i] / 4));
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}
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msgPayload["route"] = new JSONValue(route);
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msgPayload["route_back"] = new JSONValue(routeBack);
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msgPayload["snr_back"] = new JSONValue(snrBack);
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msgPayload["snr_towards"] = new JSONValue(snrTowards);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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}
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break;
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}
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case meshtastic_PortNum_DETECTION_SENSOR_APP: {
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msgType = "detection";
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char payloadStr[(mp->decoded.payload.size) + 1];
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memcpy(payloadStr, mp->decoded.payload.bytes, mp->decoded.payload.size);
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payloadStr[mp->decoded.payload.size] = 0; // null terminated string
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msgPayload["text"] = new JSONValue(payloadStr);
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jsonObj["payload"] = new JSONValue(msgPayload);
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break;
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}
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#ifdef ARCH_ESP32
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case meshtastic_PortNum_PAXCOUNTER_APP: {
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msgType = "paxcounter";
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meshtastic_Paxcount scratch;
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meshtastic_Paxcount *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_Paxcount_msg, &scratch)) {
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decoded = &scratch;
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msgPayload["wifi_count"] = new JSONValue((unsigned int)decoded->wifi);
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msgPayload["ble_count"] = new JSONValue((unsigned int)decoded->ble);
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msgPayload["uptime"] = new JSONValue((unsigned int)decoded->uptime);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (shouldLog) {
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LOG_ERROR(errStr, msgType.c_str());
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}
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break;
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}
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#endif
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case meshtastic_PortNum_REMOTE_HARDWARE_APP: {
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meshtastic_HardwareMessage scratch;
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meshtastic_HardwareMessage *decoded = NULL;
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memset(&scratch, 0, sizeof(scratch));
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if (pb_decode_from_bytes(mp->decoded.payload.bytes, mp->decoded.payload.size, &meshtastic_HardwareMessage_msg,
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&scratch)) {
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decoded = &scratch;
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if (decoded->type == meshtastic_HardwareMessage_Type_GPIOS_CHANGED) {
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msgType = "gpios_changed";
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msgPayload["gpio_value"] = new JSONValue((unsigned int)decoded->gpio_value);
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jsonObj["payload"] = new JSONValue(msgPayload);
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} else if (decoded->type == meshtastic_HardwareMessage_Type_READ_GPIOS_REPLY) {
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msgType = "gpios_read_reply";
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msgPayload["gpio_value"] = new JSONValue((unsigned int)decoded->gpio_value);
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msgPayload["gpio_mask"] = new JSONValue((unsigned int)decoded->gpio_mask);
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jsonObj["payload"] = new JSONValue(msgPayload);
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}
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} else if (shouldLog) {
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LOG_ERROR(errStr, "RemoteHardware");
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}
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break;
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}
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// add more packet types here if needed
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default:
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break;
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}
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} else if (shouldLog) {
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LOG_WARN("Couldn't convert encrypted payload of MeshPacket to JSON");
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}
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jsonObj["id"] = new JSONValue((unsigned int)mp->id);
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jsonObj["timestamp"] = new JSONValue((unsigned int)mp->rx_time);
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jsonObj["to"] = new JSONValue((unsigned int)mp->to);
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jsonObj["from"] = new JSONValue((unsigned int)mp->from);
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jsonObj["channel"] = new JSONValue((unsigned int)mp->channel);
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jsonObj["type"] = new JSONValue(msgType.c_str());
|
|
jsonObj["sender"] = new JSONValue(owner.id);
|
|
if (mp->rx_rssi != 0)
|
|
jsonObj["rssi"] = new JSONValue((int)mp->rx_rssi);
|
|
if (mp->rx_snr != 0)
|
|
jsonObj["snr"] = new JSONValue((float)mp->rx_snr);
|
|
if (mp->hop_start != 0 && mp->hop_limit <= mp->hop_start) {
|
|
jsonObj["hops_away"] = new JSONValue((unsigned int)(mp->hop_start - mp->hop_limit));
|
|
jsonObj["hop_start"] = new JSONValue((unsigned int)(mp->hop_start));
|
|
}
|
|
|
|
// serialize and write it to the stream
|
|
JSONValue *value = new JSONValue(jsonObj);
|
|
std::string jsonStr = value->Stringify();
|
|
|
|
if (shouldLog)
|
|
LOG_INFO("serialized json message: %s", jsonStr.c_str());
|
|
|
|
delete value;
|
|
return jsonStr;
|
|
}
|
|
|
|
std::string MeshPacketSerializer::JsonSerializeEncrypted(const meshtastic_MeshPacket *mp)
|
|
{
|
|
JSONObject jsonObj;
|
|
|
|
jsonObj["id"] = new JSONValue((unsigned int)mp->id);
|
|
jsonObj["time_ms"] = new JSONValue((double)millis());
|
|
jsonObj["timestamp"] = new JSONValue((unsigned int)mp->rx_time);
|
|
jsonObj["to"] = new JSONValue((unsigned int)mp->to);
|
|
jsonObj["from"] = new JSONValue((unsigned int)mp->from);
|
|
jsonObj["channel"] = new JSONValue((unsigned int)mp->channel);
|
|
jsonObj["want_ack"] = new JSONValue(mp->want_ack);
|
|
|
|
if (mp->rx_rssi != 0)
|
|
jsonObj["rssi"] = new JSONValue((int)mp->rx_rssi);
|
|
if (mp->rx_snr != 0)
|
|
jsonObj["snr"] = new JSONValue((float)mp->rx_snr);
|
|
if (mp->hop_start != 0 && mp->hop_limit <= mp->hop_start) {
|
|
jsonObj["hops_away"] = new JSONValue((unsigned int)(mp->hop_start - mp->hop_limit));
|
|
jsonObj["hop_start"] = new JSONValue((unsigned int)(mp->hop_start));
|
|
}
|
|
jsonObj["size"] = new JSONValue((unsigned int)mp->encrypted.size);
|
|
auto encryptedStr = bytesToHex(mp->encrypted.bytes, mp->encrypted.size);
|
|
jsonObj["bytes"] = new JSONValue(encryptedStr.c_str());
|
|
|
|
// serialize and write it to the stream
|
|
JSONValue *value = new JSONValue(jsonObj);
|
|
std::string jsonStr = value->Stringify();
|
|
|
|
delete value;
|
|
return jsonStr;
|
|
}
|
|
#endif |