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63 changes: 63 additions & 0 deletions
63
app/src/main/java/tech/relaycorp/gateway/background/CourierConnectionObserver.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package tech.relaycorp.gateway.background | ||
|
|
||
| import android.net.ConnectivityManager | ||
| import android.net.Network | ||
| import android.net.NetworkCapabilities | ||
| import android.net.NetworkRequest | ||
| import android.net.wifi.WifiManager | ||
| import kotlinx.coroutines.flow.Flow | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import javax.inject.Inject | ||
| import javax.inject.Singleton | ||
|
|
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| @Singleton | ||
| class CourierConnectionObserver | ||
| @Inject constructor( | ||
| connectivityManager: ConnectivityManager, | ||
| wifiManager: WifiManager | ||
| ) { | ||
|
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| private val state = | ||
| MutableStateFlow<CourierConnectionState>(CourierConnectionState.Disconnected) | ||
|
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| private val networkRequest = | ||
| NetworkRequest.Builder() | ||
| .addTransportType(NetworkCapabilities.TRANSPORT_WIFI) | ||
| .build() | ||
|
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| private val networkCallback = object : ConnectivityManager.NetworkCallback() { | ||
| override fun onAvailable(network: Network) { | ||
| // TODO: check if there's an actual courier server listening at the right port | ||
| val hotspotSourceIpAddress = | ||
| wifiManager.dhcpInfo?.serverAddress?.toIpAddressString() | ||
|
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| state.value = | ||
| hotspotSourceIpAddress | ||
| ?.let { CourierConnectionState.ConnectedWithCourier("https://$it:21473") } | ||
| ?: CourierConnectionState.ConnectedWithUnknown | ||
| } | ||
|
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| override fun onUnavailable() { | ||
| state.value = CourierConnectionState.Disconnected | ||
| } | ||
|
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| override fun onLost(network: Network) { | ||
| state.value = CourierConnectionState.Disconnected | ||
| } | ||
| } | ||
|
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| init { | ||
| connectivityManager.registerNetworkCallback(networkRequest, networkCallback) | ||
| } | ||
|
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| fun observe(): Flow<CourierConnectionState> = state | ||
|
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| private fun Int.toIpAddressString() = | ||
| String.format( | ||
| "%d.%d.%d.%d", | ||
| this and 0xff, | ||
| this shr 8 and 0xff, | ||
| this shr 16 and 0xff, | ||
| this shr 24 and 0xff | ||
| ) | ||
| } |
7 changes: 7 additions & 0 deletions
7
app/src/main/java/tech/relaycorp/gateway/background/CourierConnectionState.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package tech.relaycorp.gateway.background | ||
|
|
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| sealed class CourierConnectionState { | ||
| data class ConnectedWithCourier(val address: String) : CourierConnectionState() | ||
| object ConnectedWithUnknown : CourierConnectionState() | ||
| object Disconnected : CourierConnectionState() | ||
| } |
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12 changes: 12 additions & 0 deletions
12
app/src/main/java/tech/relaycorp/gateway/data/database/DateConverter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| package tech.relaycorp.gateway.data.database | ||
|
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| import androidx.room.TypeConverter | ||
| import java.util.Date | ||
|
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| class DateConverter { | ||
| @TypeConverter | ||
| fun toDate(dateLong: Long) = Date(dateLong) | ||
|
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| @TypeConverter | ||
| fun fromDate(date: Date) = date.time | ||
| } |
33 changes: 33 additions & 0 deletions
33
app/src/main/java/tech/relaycorp/gateway/data/database/MessageConverter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package tech.relaycorp.gateway.data.database | ||
|
|
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| import androidx.room.TypeConverter | ||
| import tech.relaycorp.gateway.data.model.MessageAddress | ||
| import tech.relaycorp.gateway.data.model.MessageId | ||
| import tech.relaycorp.gateway.data.model.PrivateMessageAddress | ||
| import tech.relaycorp.gateway.data.model.PublicMessageAddress | ||
|
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| class MessageConverter { | ||
| @TypeConverter | ||
| fun toAddress(value: String) = MessageAddress.of(value) | ||
|
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| @TypeConverter | ||
| fun fromAddress(address: MessageAddress) = address.value | ||
|
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| @TypeConverter | ||
| fun toPrivateAddress(value: String) = PrivateMessageAddress(value) | ||
|
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| @TypeConverter | ||
| fun fromPrivateAddress(address: PrivateMessageAddress) = address.value | ||
|
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| @TypeConverter | ||
| fun toPublicAddress(value: String) = PublicMessageAddress(value) | ||
|
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| @TypeConverter | ||
| fun fromPublicAddress(address: PublicMessageAddress) = address.value | ||
|
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| @TypeConverter | ||
| fun toId(value: String) = MessageId(value) | ||
|
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| @TypeConverter | ||
| fun fromId(id: MessageId) = id.value | ||
| } |
12 changes: 12 additions & 0 deletions
12
app/src/main/java/tech/relaycorp/gateway/data/database/StorageSizeConverter.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| package tech.relaycorp.gateway.data.database | ||
|
|
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| import androidx.room.TypeConverter | ||
| import tech.relaycorp.gateway.data.model.StorageSize | ||
|
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| class StorageSizeConverter { | ||
| @TypeConverter | ||
| fun toStorageSize(value: Long) = StorageSize(value) | ||
|
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| @TypeConverter | ||
| fun fromStorageSize(size: StorageSize) = size.bytes | ||
| } |
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