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/*
*
* Copyright 2015 gRPC authors.
*
* 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.
*
*/
import UIKit
import RemoteTest
class ViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
let RemoteHost = "grpc-test.sandbox.googleapis.com"
let request = RMTSimpleRequest()
request.responseSize = 10
request.fillUsername = true
request.fillOauthScope = true
// Example gRPC call using a generated proto client library:
let service = RMTTestService(host: RemoteHost)
service.unaryCall(with: request) { response, error in
if let response = response {
NSLog("1. Finished successfully with response:\n\(response)")
} else {
NSLog("1. Finished with error: \(error!)")
}
}
// Same but manipulating headers:
var RPC : GRPCProtoCall! // Needed to convince Swift to capture by reference (__block)
RPC = service.rpcToUnaryCall(with: request) { response, error in
if let response = response {
NSLog("2. Finished successfully with response:\n\(response)")
} else {
NSLog("2. Finished with error: \(error!)")
}
NSLog("2. Response headers: \(RPC.responseHeaders)")
NSLog("2. Response trailers: \(RPC.responseTrailers)")
}
// TODO(jcanizales): Revert to using subscript syntax once XCode 8 is released.
RPC.requestHeaders["My-Header"] = "My value"
RPC.start()
// Same example call using the generic gRPC client library:
let method = GRPCProtoMethod(package: "grpc.testing", service: "TestService", method: "UnaryCall")!
let requestsWriter = GRXWriter(value: request.data())
let call = GRPCCall(host: RemoteHost, path: method.httpPath, requestsWriter: requestsWriter)!
call.requestHeaders["My-Header"] = "My value"
call.start(with: GRXWriteable { response, error in
if let response = response as? Data {
NSLog("3. Received response:\n\(try! RMTSimpleResponse(data: response))")
} else {
NSLog("3. Finished with error: \(error!)")
}
NSLog("3. Response headers: \(call.responseHeaders)")
NSLog("3. Response trailers: \(call.responseTrailers)")
})
}
}
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