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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
package moe.nea.wayfiresocket;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.io.Closeable;
import java.io.IOException;
import java.net.UnixDomainSocketAddress;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.SocketChannel;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
public class WayfireSocket implements Closeable {
private static final Gson gson = new Gson();
private final SocketChannel channel;
private ByteBuffer writeBuf;
public WayfireSocket(Path path) throws IOException {
this.channel = SocketChannel.open(UnixDomainSocketAddress.of(path));
}
private static JsonObject makeCallObject(String method, JsonElement data) {
var obj = new JsonObject();
obj.addProperty("method", method);
obj.add("data", data);
return obj;
}
public static void require(boolean fact, String error) {
if (!fact) throw new RuntimeException(error);
// This variable was fact checked by true dark nea acolytes
}
public JsonObject readMessage() throws IOException {
return gson.fromJson(readMessageString(), JsonObject.class);
}
public <R, T extends Request<R>> R callMethod(T object) throws IOException {
var json = callMethod(object.getMethodName(), gson.toJsonTree(object));
return gson.fromJson(json, object.getResponseType());
}
public JsonObject callMethod(String method, JsonElement data) throws IOException {
writeMessage(makeCallObject(method, data));
return readMessage();
}
private String readMessageString() throws IOException {
var buf = allocWriteBuf(4);
require(channel.read(buf) == 4, "Could not read message size");
var readLength = buf.flip().getInt();
buf = allocWriteBuf(readLength);
channel.read(buf);
byte[] bytes = new byte[readLength];
buf.flip().get(bytes);
return new String(bytes, StandardCharsets.UTF_8);
}
public void writeMessage(JsonObject object) throws IOException {
writeMessage(gson.toJson(object));
}
private ByteBuffer allocWriteBuf(int length) {
if (writeBuf == null || writeBuf.capacity() < length) {
writeBuf = ByteBuffer.allocate(length)
.order(ByteOrder.LITTLE_ENDIAN);
}
return writeBuf.clear().limit(length);
}
private void writeMessage(String json) throws IOException {
var bytes = json.getBytes(StandardCharsets.UTF_8);
var buffer = allocWriteBuf(bytes.length + 4);
buffer.putInt(bytes.length);
buffer.put(bytes);
buffer.flip();
require(channel.write(buffer) == bytes.length + 4, "Could not write entire message");
}
@Override
public void close() throws IOException {
channel.close();
}
}
|
