init

apps/android/core/domain/build.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.kotlin.android)
+}
+
+android {
+    namespace = "org.vpnshare.domain"
+    compileSdk = 36
+
+    defaultConfig {
+        minSdk = 26
+    }
+}

apps/android/core/domain/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest />

apps/android/core/domain/src/main/kotlin/org/vpnshare/domain/model/Models.kt

@@ -0,0 +1,83 @@
+package org.vpnshare.domain.model
+
+import java.time.Instant
+
+@JvmInline
+value class PeerId(val value: String)
+
+enum class ShareTransport {
+    Usb,
+    Wifi,
+    Hotspot
+}
+
+enum class ClientPlatform {
+    Windows,
+    Linux,
+    MacOs,
+    Android,
+    Ios,
+    Unknown
+}
+
+data class GatewayConfig(
+    val preferredTransport: ShareTransport = ShareTransport.Usb,
+    val allowWifiFallback: Boolean = true,
+    val allowHotspot: Boolean = false,
+    val maxPeers: Int = 4,
+    val defaultMtu: Int = 1280
+)
+
+data class VpnStatus(
+    val active: Boolean,
+    val networkName: String?,
+    val supportsIpv4: Boolean,
+    val supportsIpv6: Boolean
+)
+
+data class PairingRequest(
+    val requestId: String,
+    val displayName: String,
+    val platform: ClientPlatform,
+    val transport: ShareTransport,
+    val createdAt: Instant,
+    val expiresAt: Instant
+) {
+    fun isExpired(now: Instant): Boolean = !expiresAt.isAfter(now)
+}
+
+data class PeerDevice(
+    val id: PeerId,
+    val displayName: String,
+    val platform: ClientPlatform,
+    val trustedAt: Instant,
+    val lastSeenAt: Instant?,
+    val revoked: Boolean = false
+)
+
+data class TunnelLease(
+    val peerId: PeerId,
+    val ipv4Address: String,
+    val ipv6Address: String?,
+    val dnsGateway: String,
+    val mtu: Int,
+    val routes: List<String>,
+    val expiresAt: Instant
+)
+
+data class GatewayStats(
+    val connectedPeers: Int = 0,
+    val bytesFromClients: Long = 0,
+    val bytesToClients: Long = 0
+)
+
+sealed interface ShareState {
+    data object Stopped : ShareState
+    data class Starting(val config: GatewayConfig) : ShareState
+    data class Running(
+        val config: GatewayConfig,
+        val vpnStatus: VpnStatus,
+        val stats: GatewayStats
+    ) : ShareState
+    data class Failed(val reason: String) : ShareState
+}