summaryrefslogtreecommitdiff
path: root/opendc-common/src/main/kotlin/org/opendc/common/utils/HTTPClient.kt
blob: f8e5e12025b10f16d53dd48960139134b56f2b86 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
package org.opendc.common.utils

import java.io.File
import java.io.InputStreamReader
import java.net.URI
import java.net.http.*
import java.net.http.HttpResponse.BodyHandlers.ofString

/**
 * Singleton class representing the real datacenter client.
 * The client is asynchronous and initiates the connection first.
 *
 * @author Mateusz Kwiatkowski
 */

public class HTTPClient private constructor() {
    public companion object {
        private var instance: HTTPClient? = null
        private var client = HttpClient.newBuilder().build()

        public fun getInstance(): HTTPClient? {
            if (instance == null) {
                instance = HTTPClient()
            }
            return instance
        }
    }

    public fun checkForInsights(){
        val request = HttpRequest.newBuilder()
            .uri(URI.create("http://localhost:1234/check"))
            .header("Content-type", "text/plain")
            .GET()
            .build()
        val response = client?.send(request, ofString())
        check(response?.statusCode() == 200)
    }

    public fun sendExperiment(experiment: File) {
        val input =  experiment.inputStream()
        val charArray = CharArray(experiment.length().toInt())
        val isr = InputStreamReader(input)

        isr.read(charArray)

        val request = HttpRequest.newBuilder()
            .uri(URI.create("http://localhost:1234/assets"))
            .header("Content-type", "application/json")
            // TODO(this is obviously wrong, find an efficient way to send JSON over network)
            .POST(HttpRequest.BodyPublishers.ofString(String(charArray)))
            .build()
        val response = client?.send(request, ofString())
        check(response?.statusCode() == 200)
    }
}