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class ViewController: UIViewController { | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
let builder = HelloRequest.Builder() | |
builder.name = "Bob" | |
do { | |
let req = try builder.build() | |
print("Client: My name is \(req.name)") | |
self.post(req.data()) | |
} catch { | |
print(error) | |
} | |
} | |
func post(data: NSData) { | |
let req = NSMutableURLRequest(URL: NSURL(string: "http://localhost:8080")!) | |
req.HTTPMethod = "POST" | |
req.HTTPBody = data | |
let task = NSURLSession.sharedSession().dataTaskWithRequest(req) { data, response, error in | |
if error != nil { | |
print(error) | |
return | |
} | |
do { | |
let reply = try HelloReply.parseFromData(data!) | |
print("Server: \(reply.response)") | |
} catch { | |
print(error) | |
} | |
} | |
task.resume() | |
} | |
} |
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syntax = "proto3"; | |
message HelloRequest { | |
string name = 2; | |
} | |
message HelloReply { | |
string response = 1; | |
} |
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package main | |
import ( | |
"bytes" | |
"fmt" | |
"hello" | |
"log" | |
"net/http" | |
"github.com/golang/protobuf/proto" | |
) | |
func handler(w http.ResponseWriter, r *http.Request) { | |
// Unmarshal incoming request body into a HelloRequest | |
// object | |
req := &hello.HelloRequest{} | |
buf := new(bytes.Buffer) | |
buf.ReadFrom(r.Body) | |
if err := proto.Unmarshal(buf.Bytes(), req); err != nil { | |
log.Fatal("Unmarshaling error: ", err) | |
return | |
} | |
// Marshal a HelloReply object to pass as the response | |
reply := &hello.HelloReply{Response: "Hello, " + req.Name} | |
data, err := proto.Marshal(reply) | |
if err != nil { | |
log.Fatal("Marshaling error: ", err) | |
return | |
} | |
fmt.Fprintf(w, string(data[:])) | |
} | |
func main() { | |
http.HandleFunc("/", handler) | |
log.Fatal(http.ListenAndServe(":8080", nil)) | |
} |
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