eth-client-ui/src/main/kotlin/org/apache/tuweni/ethclientui/StateService.kt

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.tuweni.ethclientui

import org.apache.tuweni.ethclient.EthereumClient
import jakarta.servlet.ServletContext
import jakarta.ws.rs.GET
import jakarta.ws.rs.Path
import jakarta.ws.rs.Produces
import jakarta.ws.rs.core.Context
import jakarta.ws.rs.core.MediaType

@Path("state")
class StateService {

  @Context
  var context: ServletContext? = null

  @GET
  @Produces(MediaType.APPLICATION_JSON)
  fun get(): Map<String, Long> {
    val client = context!!.getAttribute("ethclient") as EthereumClient

    val pairs = client.peerRepositories.entries.map {
      Pair(it.key, it.value.activeConnections().count())
    }
    return mapOf(*pairs.toTypedArray())
  }
}