/*
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*
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* Copyright 2015 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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import UIKit
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import RemoteTest
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class ViewController: UIViewController {
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override func viewDidLoad() {
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super.viewDidLoad()
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let RemoteHost = "grpc-test.sandbox.googleapis.com"
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let request = RMTSimpleRequest()
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request.responseSize = 10
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request.fillUsername = true
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request.fillOauthScope = true
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// Example gRPC call using a generated proto client library:
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let service = RMTTestService(host: RemoteHost)
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service.unaryCall(with: request) { response, error in
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if let response = response {
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NSLog("1. Finished successfully with response:\n\(response)")
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} else {
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NSLog("1. Finished with error: \(error!)")
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}
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}
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// Same but manipulating headers:
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var RPC : GRPCProtoCall! // Needed to convince Swift to capture by reference (__block)
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RPC = service.rpcToUnaryCall(with: request) { response, error in
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if let response = response {
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NSLog("2. Finished successfully with response:\n\(response)")
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} else {
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NSLog("2. Finished with error: \(error!)")
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}
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NSLog("2. Response headers: \(RPC.responseHeaders)")
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NSLog("2. Response trailers: \(RPC.responseTrailers)")
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}
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// TODO(jcanizales): Revert to using subscript syntax once XCode 8 is released.
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RPC.requestHeaders["My-Header"] = "My value"
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RPC.start()
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// Same example call using the generic gRPC client library:
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let method = GRPCProtoMethod(package: "grpc.testing", service: "TestService", method: "UnaryCall")!
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let requestsWriter = GRXWriter(value: request.data())
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let call = GRPCCall(host: RemoteHost, path: method.httpPath, requestsWriter: requestsWriter)!
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call.requestHeaders["My-Header"] = "My value"
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call.start(with: GRXWriteable { response, error in
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if let response = response as? Data {
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NSLog("3. Received response:\n\(try! RMTSimpleResponse(data: response))")
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} else {
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NSLog("3. Finished with error: \(error!)")
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}
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NSLog("3. Response headers: \(call.responseHeaders)")
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NSLog("3. Response trailers: \(call.responseTrailers)")
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})
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}
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}
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