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Merged
merged 2 commits into from
Sep 25, 2025
Merged

More details about the channel was closed exception #7412

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cb61d5c
add close reason
VinayGuthal Sep 24, 2025
12259fd
update live generative model
VinayGuthal Sep 25, 2025
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1 change: 1 addition & 0 deletions firebase-ai/CHANGELOG.md
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@@ -1,6 +1,7 @@
# Unreleased

- [changed] **Breaking Change**: Removed the `candidateCount` option from `LiveGenerationConfig`
- [changed] Added better error messages to `ServiceConnectionHandshakeFailedException`

# 17.3.0

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9 changes: 7 additions & 2 deletions firebase-ai/src/main/kotlin/com/google/firebase/ai/LiveGenerativeModel.kt
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Expand Up @@ -32,6 +32,7 @@ import com.google.firebase.ai.type.Tool
import com.google.firebase.annotations.concurrent.Blocking
import com.google.firebase.appcheck.interop.InteropAppCheckTokenProvider
import com.google.firebase.auth.internal.InternalAuthProvider
import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
import io.ktor.websocket.Frame
import io.ktor.websocket.close
import io.ktor.websocket.readBytes
Expand Down Expand Up @@ -114,8 +115,9 @@ internal constructor(
)
.toInternal()
val data: String = Json.encodeToString(clientMessage)
var webSession: DefaultClientWebSocketSession? = null
try {
val webSession = controller.getWebSocketSession(location)
webSession = controller.getWebSocketSession(location)
webSession.send(Frame.Text(data))
val receivedJsonStr = webSession.incoming.receive().readBytes().toString(Charsets.UTF_8)
val receivedJson = JSON.parseToJsonElement(receivedJsonStr)
Expand All @@ -131,7 +133,10 @@ internal constructor(
throw ServiceConnectionHandshakeFailedException("Unable to connect to the server")
}
} catch (e: ClosedReceiveChannelException) {
throw ServiceConnectionHandshakeFailedException("Channel was closed by the server", e)
val reason = webSession?.closeReason?.await()
val message =
"Channel was closed by the server.${if(reason!=null) " Details: ${reason.message}" else "" }"
throw ServiceConnectionHandshakeFailedException(message, e)
}
}

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4 changes: 2 additions & 2 deletions firebase-ai/src/main/kotlin/com/google/firebase/ai/common/APIController.kt
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Expand Up @@ -38,7 +38,7 @@ import io.ktor.client.engine.HttpClientEngine
import io.ktor.client.engine.okhttp.OkHttp
import io.ktor.client.plugins.HttpTimeout
import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
import io.ktor.client.plugins.websocket.ClientWebSocketSession
import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
import io.ktor.client.plugins.websocket.WebSockets
import io.ktor.client.plugins.websocket.webSocketSession
import io.ktor.client.request.HttpRequestBuilder
Expand Down Expand Up @@ -174,7 +174,7 @@ internal constructor(
"wss://firebasevertexai.googleapis.com/ws/google.firebase.vertexai.v1beta.GenerativeService/BidiGenerateContent?key=$key"
}

suspend fun getWebSocketSession(location: String): ClientWebSocketSession =
suspend fun getWebSocketSession(location: String): DefaultClientWebSocketSession =
client.webSocketSession(getBidiEndpoint(location)) { applyCommonHeaders() }

fun generateContentStream(
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4 changes: 2 additions & 2 deletions firebase-ai/src/main/kotlin/com/google/firebase/ai/type/LiveSession.kt
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Expand Up @@ -29,7 +29,7 @@ import com.google.firebase.ai.common.util.CancelledCoroutineScope
import com.google.firebase.ai.common.util.accumulateUntil
import com.google.firebase.ai.common.util.childJob
import com.google.firebase.annotations.concurrent.Blocking
import io.ktor.client.plugins.websocket.ClientWebSocketSession
import io.ktor.client.plugins.websocket.DefaultClientWebSocketSession
import io.ktor.websocket.Frame
import io.ktor.websocket.close
import io.ktor.websocket.readBytes
Expand Down Expand Up @@ -59,7 +59,7 @@ import kotlinx.serialization.json.Json
@OptIn(ExperimentalSerializationApi::class)
public class LiveSession
internal constructor(
private val session: ClientWebSocketSession,
private val session: DefaultClientWebSocketSession,
@Blocking private val blockingDispatcher: CoroutineContext,
private var audioHelper: AudioHelper? = null,
private val firebaseApp: FirebaseApp,
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