Package io.vertx.core.buffer

Examples of io.vertx.core.buffer.Buffer

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    String message = "here is some text data";

    server = vertx.createHttpServer(new HttpServerOptions().setPort(HttpTestBase.DEFAULT_HTTP_PORT)).requestHandler(req -> {
      NetSocket sock = getUpgradedNetSocket(req, path);
      // Let's write a Text frame raw
      Buffer buff = Buffer.buffer();
      buff.appendByte((byte)129); // Text frame
      buff.appendByte((byte)message.length());
      buff.appendString(message);
      sock.write(buff);
    });
    server.listen(ar -> {
      assertTrue(ar.succeeded());
      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path, ws -> {
        ws.handler(buff -> {
          assertEquals(message, buff.toString("UTF-8"));
          testComplete();
        });
      });
      client.exceptionHandler(t -> fail(t.getMessage()));
    });
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      assertTrue(ar.succeeded());
      int bsize = 100;
      int sends = 10;

      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path + "?" + query, null, version, ws -> {
        final Buffer received = Buffer.buffer();
        ws.handler(data -> {
          received.appendBuffer(data);
          if (received.length() == bsize * sends) {
            ws.close();
            testComplete();
          }
        });
        final Buffer sent = Buffer.buffer();
        for (int i = 0; i < sends; i++) {
          Buffer buff = Buffer.buffer(TestUtils.randomByteArray(bsize));
          ws.write(buff);
          sent.appendBuffer(buff);
        }
      });
    });
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        });

        AtomicReference<Buffer> currentSent = new AtomicReference<>(Buffer.buffer());
        for (int i = 0; i < msgs; i++) {
          for (int j = 0; j < frames; j++) {
            Buffer buff;
            WebSocketFrame frame;
            if (binary) {
              buff = Buffer.buffer(TestUtils.randomByteArray(bsize));
              if (j == 0) {
                frame = WebSocketFrame.binaryFrame(buff, false);
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    server = vertx.createHttpServer(new HttpServerOptions().setPort(HttpTestBase.DEFAULT_HTTP_PORT)).requestHandler(req -> {
      NetSocket sock = getUpgradedNetSocket(req, path);

      // Let's write a Text frame raw
      Buffer buff = Buffer.buffer();
      buff.appendByte((byte) 0x01); // Incomplete Text frame
      buff.appendByte((byte) firstFrame.length());
      buff.appendString(firstFrame);
      sock.write(buff);

      buff = Buffer.buffer();
      buff.appendByte((byte) (0x00 | 0x80)); // Complete continuation frame
      buff.appendByte((byte) continuationFrame.length());
      buff.appendString(continuationFrame);
      sock.write(buff);
    });

    server.listen(ar -> {
      assertTrue(ar.succeeded());
      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path, null, version, ws -> {
        AtomicBoolean receivedFirstFrame = new AtomicBoolean();
        ws.frameHandler(received -> {
          Buffer receivedBuffer = Buffer.buffer(received.textData());
          if (!received.isFinal()) {
            assertEquals(firstFrame, receivedBuffer.toString());
            receivedFirstFrame.set(true);
          } else if (receivedFirstFrame.get() && received.isFinal()) {
            assertEquals(continuationFrame, receivedBuffer.toString());
            ws.close();
            testComplete();
          }
        });
      });
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  }

  private void testWriteFromConnectHandler(WebsocketVersion version) throws Exception {

    String path = "/some/path";
    Buffer buff = Buffer.buffer("AAA");

    server = vertx.createHttpServer(new HttpServerOptions().setPort(HttpTestBase.DEFAULT_HTTP_PORT)).websocketHandler(ws -> {
      assertEquals(path, ws.path());
      ws.writeFrame(WebSocketFrame.binaryFrame(buff, true));
    });
    server.listen(ar -> {
      assertTrue(ar.succeeded());
      client.connectWebsocket(HttpTestBase.DEFAULT_HTTP_PORT, HttpTestBase.DEFAULT_HTTP_HOST, path, null, version, ws -> {
        Buffer received = Buffer.buffer();
        ws.handler(data -> {
          received.appendBuffer(data);
          if (received.length() == buff.length()) {
            assertEquals(buff, received);
            ws.close();
            testComplete();
          }
        });
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  @Override
  public Buffer writeToBuffer() {
    String encoded = encode();
    byte[] bytes = encoded.getBytes();
    Buffer buffer = Buffer.buffer(bytes.length + 4);
    buffer.appendInt(bytes.length);
    buffer.appendBytes(bytes);
    return buffer;
  }
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    return replyAddress;
  }

  public Buffer encodeToWire() {
    int length = 1024; // TODO make this configurable
    Buffer buffer = Buffer.buffer(length);
    buffer.appendInt(0);
    buffer.appendByte(WIRE_PROTOCOL_VERSION);
    byte systemCodecID = messageCodec.systemCodecID();
    buffer.appendByte(systemCodecID);
    if (systemCodecID == -1) {
      // User codec
      writeString(buffer, messageCodec.name());
    }
    buffer.appendByte(send ? (byte)0 : (byte)1);
    writeString(buffer, address);
    if (replyAddress != null) {
      writeString(buffer, replyAddress);
    } else {
      buffer.appendInt(0);
    }
    buffer.appendInt(sender.port);
    writeString(buffer, sender.host);
    encodeHeaders(buffer);
    writeBody(buffer);
    buffer.setInt(0, buffer.length() - 4);
//    if (buffer.length()> length) {
//      log.warn("Overshot length " + length + " actual " + buffer.length());
//    }
    return buffer;
  }
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    //We create lines of length zero to <lines> and shuffle them
    List<Buffer> lineList = generateLines(lines, false, (byte) 0);

    expected = lineList.toArray(expected);
    int totLength = lines * (lines - 1) / 2; // The sum of 0...(lines - 1)
    Buffer inp = Buffer.buffer(totLength);
    for (int i = 0; i < lines; i++) {
      inp.appendBuffer(expected[i]);
    }

    //We then try every combination of chunk size up to twice the input string length
    for (int i = 1; i < inp.length() * 2; i++) {
      doTestFixed(inp, new Integer[]{i}, expected);
    }

    //Then we try a sequence of random chunk sizes
    List<Integer> chunkSizes = generateChunkSizes(lines);
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      }
    }

    MyHandler out = new MyHandler();
    Buffer[] expected = new Buffer[lines];
    Buffer input = Buffer.buffer(100);
    expected[0] = TestUtils.randomBuffer(10);
    input.appendBuffer(expected[0]);
    types.add(expected[0].length());
    expected[1] = TestUtils.randomBuffer(100);
    input.appendBuffer(expected[1]);
    types.add(expected[1].length());
    byte[] delim = new byte[]{23, -120, 100, 3};
    expected[2] = TestUtils.randomBuffer(50, true, delim[0]);
    input.appendBuffer(expected[2]);
    types.add(delim);
    input.appendBuffer(Buffer.buffer(delim));
    expected[3] = TestUtils.randomBuffer(1000);
    input.appendBuffer(expected[3]);
    types.add(expected[3].length());
    expected[4] = TestUtils.randomBuffer(230, true, delim[0]);
    input.appendBuffer(expected[4]);
    types.add(delim);
    input.appendBuffer(Buffer.buffer(delim));
    delim = new byte[]{17};
    expected[5] = TestUtils.randomBuffer(341, true, delim[0]);
    input.appendBuffer(expected[5]);
    types.add(delim);
    input.appendBuffer(Buffer.buffer(delim));
    delim = new byte[]{54, -32, 0};
    expected[6] = TestUtils.randomBuffer(1234, true, delim[0]);
    input.appendBuffer(expected[6]);
    types.add(delim);
    input.appendBuffer(Buffer.buffer(delim));
    expected[7] = TestUtils.randomBuffer(100);
    input.appendBuffer(expected[7]);
    types.add(expected[7].length());

    feedChunks(input, out.parser, new Integer[]{50, 10, 3});
  }
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    //We create lines of length zero to <lines> and shuffle them
    List<Buffer> lineList = generateLines(lines, true, delim[0]);

    expected = lineList.toArray(expected);
    int totLength = lines * (lines - 1) / 2; // The sum of 0...(lines - 1)
    Buffer inp = Buffer.buffer(totLength + lines * delim.length);
    for (int i = 0; i < lines; i++) {
      inp.appendBuffer(expected[i]);
      inp.appendBuffer(Buffer.buffer(delim));
    }

    //We then try every combination of chunk size up to twice the input string length
    for (int i = 1; i < inp.length() * 2; i++) {
      doTestDelimited(inp, delim, new Integer[]{i}, expected);
    }

    //Then we try a sequence of random chunk sizes
    List<Integer> chunkSizes = generateChunkSizes(lines);
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