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/*
 * Copyright (c) 2022 Square, Inc.
 *
 * Licensed 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 okhttp3.coroutines

import kotlin.coroutines.resumeWithException
import kotlinx.coroutines.ExperimentalCoroutinesApi
import kotlinx.coroutines.suspendCancellableCoroutine
import okhttp3.Call
import okhttp3.Callback
import okhttp3.Response
import okhttp3.internal.closeQuietly
import okio.IOException

@ExperimentalCoroutinesApi // resume with a resource cleanup.
suspend fun Call.executeAsync(): Response =
  suspendCancellableCoroutine { continuation ->
    continuation.invokeOnCancellation {
      this.cancel()
    }
    this.enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {
          continuation.resumeWithException(e)
        }

        override fun onResponse(
          call: Call,
          response: Response,
        ) {
          continuation.resume(response) {
            response.closeQuietly()
          }
        }
      },
    )
  }