Node / meshtastic / Meshtastic-Android / files / core / network / README.md

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Tc9d1d9# `:core:network`

Tc9d1d9## Overview

The Ta5d6ff`:core:network` module handles all internet-based communication, including fetching firmware metadata, device hardware definitions, and map tiles (in the Ta5d6ff`fdroid` flavor). It also provides the shared radio transport layer (Ta5d6ff`TCPInterface`, Ta5d6ff`SerialTransport`, Ta5d6ff`BleRadioInterface`).

Tc9d1d9## Key Components

Tc9d1d9### 1. `Ktor` Client

The module uses **Ktor** as its primary HTTP client for high-performance, asynchronous networking.

Tc9d1d9### 2. Remote Data Sources

Tff7b72- **`FirmwareReleaseRemoteDataSource`**: Fetches the latest firmware versions from GitHub or Meshtastic's metadata servers.

Tff7b72- **`DeviceHardwareRemoteDataSource`**: Fetches definitions for supported Meshtastic hardware devices.

Tc9d1d9### 3. Shared Transports

Tff7b72- **`BleRadioInterface`**: Multiplatform BLE transport powered by Kable.

Tff7b72- **`TCPInterface`**: Multiplatform TCP transport.

Tff7b72- **`SerialTransport`**: JVM-shared USB/Serial transport powered by jSerialComm.

Tff7b72- **`BaseRadioTransportFactory`**: Common factory for instantiating the KMP transports.

Tc9d1d9## Module dependency graph

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Ta5d6ff```Ta5d6ffmermaid

Ta5d6ffgraph TB

:core:network[network]:::kmp-library

classDef android-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;

classDef android-application-compose fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;

classDef compose-desktop-application fill:#CAFFBF,stroke:#000,stroke-width:2px,color:#000;

classDef android-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;

classDef android-library fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;

classDef android-library-compose fill:#9BF6FF,stroke:#000,stroke-width:2px,color:#000;

classDef android-test fill:#A0C4FF,stroke:#000,stroke-width:2px,color:#000;

classDef jvm-library fill:#BDB2FF,stroke:#000,stroke-width:2px,color:#000;

classDef kmp-feature fill:#FFD6A5,stroke:#000,stroke-width:2px,color:#000;

classDef kmp-library-compose fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;

classDef kmp-library fill:#FFC1CC,stroke:#000,stroke-width:2px,color:#000;

classDef unknown fill:#FFADAD,stroke:#000,stroke-width:2px,color:#000;

Ta5d6ff```

<!--endregion-->