Example usage for io.netty.buffer ByteBuf release

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf release.

Prototype

boolean release();

Source Link

Document

Decreases the reference count by 1 and deallocates this object if the reference count reaches at 0 .

Usage

From source file:com.tesora.dve.db.mysql.portal.protocol.MSPServerGreetingRequestMessage.java

License:Open Source License

public static void write(ChannelHandlerContext ctx, int connectionId, String salt, int serverCapabilities,
        String serverVersion, byte serverCharSet, String pluginData) {
    ByteBuf out = ctx.channel().alloc().heapBuffer(50).order(ByteOrder.LITTLE_ENDIAN);

    String scrambleBuffer1st = salt.substring(0, 8);
    String scrambleBuffer2nd = salt.substring(8) + '\0';
    Integer scrambleBufferSize = scrambleBuffer1st.length() + scrambleBuffer2nd.length();

    ByteBuf serverCapabilitiesBuf = ctx.channel().alloc().heapBuffer(4).order(ByteOrder.LITTLE_ENDIAN);
    try {/*w  w  w  .  j  a va 2 s. c  o m*/
        serverCapabilitiesBuf.writeInt(serverCapabilities);
        out.writeMedium(0);
        out.writeByte(0);
        out.writeByte(MYSQL_PROTOCOL_VERSION);

        out.writeBytes(serverVersion.getBytes());
        out.writeZero(1);
        out.writeInt(connectionId);
        out.writeBytes(scrambleBuffer1st.getBytes()); // Salt
        out.writeZero(1);
        out.writeByte(serverCapabilitiesBuf.getByte(0));
        out.writeByte(serverCapabilitiesBuf.getByte(1));

        out.writeByte(serverCharSet);
        out.writeShort(MyProtocolDefs.SERVER_STATUS_AUTOCOMMIT);
        out.writeByte(serverCapabilitiesBuf.getByte(2));
        out.writeByte(serverCapabilitiesBuf.getByte(3));
        out.writeByte(scrambleBufferSize.byteValue());
        out.writeZero(10); // write 10 unused bytes
        out.writeBytes(scrambleBuffer2nd.getBytes()); // Salt

        out.writeBytes(pluginData.getBytes()); // payload
        out.writeZero(1);

        out.setMedium(0, out.writerIndex() - 4);

        ctx.channel().writeAndFlush(out);
    } finally {
        serverCapabilitiesBuf.release();
    }
}

---

From source file:com.tesora.dve.db.mysql.portal.protocol.MysqlClientAuthenticationHandler.java

License:Open Source License

private void processGreeting(ChannelHandlerContext ctx, ByteBuf payload, Byte protocolVersion)
        throws Exception {
    if (protocolVersion == MyErrorResponse.ERRORPKT_FIELD_COUNT) {
        processErrorPacket(ctx, payload);
    } else {//from   w w  w.j av a 2  s  .  c o  m
        MyHandshakeV10 handshake = new MyHandshakeV10();
        handshake.unmarshallMessage(payload);
        ctx.channel().attr(HANDSHAKE_KEY).set(handshake);
        serverCharset = handshake.getServerCharset(javaCharsetCatalog);
        targetCharset.set(serverCharset);
        serverThreadID = handshake.getThreadID();
        ByteBuf out = Unpooled.buffer().order(ByteOrder.LITTLE_ENDIAN);
        try {
            String userName = userCredentials.getName();
            String userPassword = userCredentials.getPassword();
            String salt = handshake.getSalt();
            Charset charset = javaCharsetCatalog.findJavaCharsetById(handshake.getServerCharsetId());
            int mysqlCharsetID = MysqlNativeConstants.MYSQL_CHARSET_UTF8;
            int capabilitiesFlag = (int) clientCapabilities;
            handshake.setServerCharset((byte) mysqlCharsetID);

            MSPAuthenticateV10MessageMessage.write(out, userName, userPassword, salt, charset, mysqlCharsetID,
                    capabilitiesFlag);
            ctx.writeAndFlush(out);
        } catch (Exception e) {
            out.release();
            log.debug("Couldn't write auth handshake to socket", e);
        }

        enterState(AuthenticationState.AWAIT_ACKNOWLEGEMENT);
    }
}

---

From source file:com.titilink.camel.rest.server.RestletServerHelper.java

License:LGPL

public void handle(ServerCall httpCall) {
    LOGGER.debug("handle httpCall begin.");

    try {//w w w  . jav  a 2s .c  om
        // ----------- netty to restlet ? ?  --------------------
        RestletServerCall retHttpCall = (RestletServerCall) httpCall;
        //HttpCallHTTPheader?requestgetProtocolorg.restlet.Request.getProtocol()Protocolurlscheme?HTTP Protocol 1.1
        HttpRequest restletRequest = getAdapter().toRequest(httpCall);
        restletRequest.setProtocol(httpCall.getProtocol());

        DefaultFullHttpRequest nettyRequest = (DefaultFullHttpRequest) ((RestletServerCall) httpCall)
                .getRequest();
        nettyRequest.content();
        // ----------- netty to restlet ? ?  ?--------------------

        HttpResponse response = new HttpResponse(httpCall, restletRequest);
        LOGGER.debug("before handle request by restlet");
        handle(restletRequest, response);
        LOGGER.debug("after handle request by restlet");
        //?responseHttpCoreHttpResponse?
        Representation represent = response.getEntity();
        ByteBuf buf = transferBuffer(represent);
        FullHttpResponse nettyResponse = new DefaultFullHttpResponse(
                retHttpCall.getRequest().getProtocolVersion(),
                HttpResponseStatus.valueOf(response.getStatus().getCode()));

        //Copy??
        AdapterRestletUtil.parseToNettyFullResponse(retHttpCall, response, nettyResponse);
        if (null != buf) {
            nettyResponse.content().writeBytes(buf);
            buf.release();
        } else {
            LOGGER.error("buf onf content is null.");
        }

        nettyResponse.headers().set(CONTENT_TYPE, MediaType.APPLICATION_JSON);
        nettyResponse.headers().set(CONTENT_LENGTH, nettyResponse.content().readableBytes());

        if (null != retHttpCall.getCtx()) {
            final Channel channel = retHttpCall.getCtx().channel();
            if (channel != null) {
                if (channel.isActive()) {
                    channel.writeAndFlush(nettyResponse);
                } else {
                    LOGGER.error("channel not active,close it.");
                    channel.close();
                }
            } else {
                LOGGER.error("Write to channel failed, invalid channel");
            }
        } else {
            LOGGER.error("retHttpCall.getCtx() is null.");
        }
    } catch (Throwable e) {
        LOGGER.error("Exception while handle request:", e);
        if (httpCall instanceof RestletServerCall) {
            RestletServerCall retHttpCall = (RestletServerCall) httpCall;
            if (retHttpCall.getCtx() != null) {
                final Channel channel = retHttpCall.getCtx().channel();
                if (channel != null) {
                    LOGGER.error("Close channel.");
                    channel.close();
                }
            }
        }
    } finally {
        LOGGER.debug("handle httpCall end.");
        Engine.clearThreadLocalVariables();
    }
}

---

From source file:com.tongbanjie.tarzan.rpc.protocol.NettyDecoder.java

License:Apache License

@Override
public Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception {
    ByteBuf frame = null;
    try {//from   w  w  w. j  ava 2s.  co  m
        frame = (ByteBuf) super.decode(ctx, in);
        if (null == frame) {
            return null;
        }
        return RpcCommand.decode(frame.nioBuffer());
    } catch (Exception e) {
        LOGGER.error("decode exception, " + RpcHelper.parseChannelRemoteAddr(ctx.channel()), e);
        RpcHelper.closeChannel(ctx.channel());
    } finally {
        if (null != frame) {
            frame.release();
        }
    }

    return null;
}

---

From source file:com.topsec.bdc.platform.api.test.http.file.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {

    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");

    String dirPath = dir.getPath();
    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n").append("<html><head><title>")
            .append("Listing of: ").append(dirPath).append("</title></head><body>\r\n")

            .append("<h3>Listing of: ").append(dirPath).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }/*from w  w w  .  java  2s  .  c o m*/

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

---

From source file:com.topsec.bdc.platform.api.test.http.websocketx.benchmarkserver.WebSocketServerHandler.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {

    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);//from   www .  jav a2 s.c  om
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:com.turo.pushy.apns.auth.ApnsKey.java

License:Open Source License

protected static byte[] decodeBase64EncodedString(final String base64EncodedString) {
    final ByteBuf base64EncodedByteBuf = Unpooled
            .wrappedBuffer(base64EncodedString.getBytes(StandardCharsets.US_ASCII));

    final ByteBuf decodedByteBuf = Base64.decode(base64EncodedByteBuf);
    final byte[] decodedBytes = new byte[decodedByteBuf.readableBytes()];

    decodedByteBuf.readBytes(decodedBytes);

    base64EncodedByteBuf.release();
    decodedByteBuf.release();//  w w w.ja v a  2s . c o m

    return decodedBytes;
}

---

From source file:com.turo.pushy.apns.auth.AuthenticationToken.java

License:Open Source License

static String encodeUnpaddedBase64UrlString(final byte[] data) {
    final ByteBuf wrappedString = Unpooled.wrappedBuffer(data);
    final ByteBuf encodedString = Base64.encode(wrappedString, Base64Dialect.URL_SAFE);

    final String encodedUnpaddedString = encodedString.toString(StandardCharsets.US_ASCII).replace("=", "");

    wrappedString.release();
    encodedString.release();//www.  j  a v  a2  s . c o m

    return encodedUnpaddedString;
}

---

From source file:com.turo.pushy.apns.auth.AuthenticationToken.java

License:Open Source License

static byte[] decodeBase64UrlEncodedString(final String base64UrlEncodedString) {
    final String paddedBase64UrlEncodedString;

    switch (base64UrlEncodedString.length() % 4) {
    case 2: {/*  w  w  w  .  ja  va 2  s. c  o m*/
        paddedBase64UrlEncodedString = base64UrlEncodedString + "==";
        break;
    }

    case 3: {
        paddedBase64UrlEncodedString = base64UrlEncodedString + "=";
        break;
    }

    default: {
        paddedBase64UrlEncodedString = base64UrlEncodedString;
    }
    }

    final ByteBuf base64EncodedByteBuf = Unpooled
            .wrappedBuffer(paddedBase64UrlEncodedString.getBytes(StandardCharsets.US_ASCII));

    final ByteBuf decodedByteBuf = Base64.decode(base64EncodedByteBuf, Base64Dialect.URL_SAFE);
    final byte[] decodedBytes = new byte[decodedByteBuf.readableBytes()];

    decodedByteBuf.readBytes(decodedBytes);

    base64EncodedByteBuf.release();
    decodedByteBuf.release();

    return decodedBytes;
}

---

From source file:com.turo.pushy.apns.server.ParsingMockApnsServerListenerAdapterTest.java

License:Open Source License

@Test
public void testHandlePushNotificationAccepted() {
    final TestParsingMockApnsServerListener listener = new TestParsingMockApnsServerListener();

    {// w w  w .  j ava 2 s.c om
        final String token = "test-token";

        final Http2Headers headers = new DefaultHttp2Headers().path(APNS_PATH_PREFIX + token);

        listener.handlePushNotificationAccepted(headers, null);

        assertEquals(token, listener.mostRecentPushNotification.getToken());
        assertNull(listener.mostRecentPushNotification.getTopic());
        assertNull(listener.mostRecentPushNotification.getPriority());
        assertNull(listener.mostRecentPushNotification.getExpiration());
        assertNull(listener.mostRecentPushNotification.getCollapseId());
        assertNull(listener.mostRecentPushNotification.getPayload());
    }

    {
        final String topic = "test-topic";

        final Http2Headers headers = new DefaultHttp2Headers().add(APNS_TOPIC_HEADER, topic);

        listener.handlePushNotificationAccepted(headers, null);

        assertNull(listener.mostRecentPushNotification.getToken());
        assertEquals(topic, listener.mostRecentPushNotification.getTopic());
        assertNull(listener.mostRecentPushNotification.getPriority());
        assertNull(listener.mostRecentPushNotification.getExpiration());
        assertNull(listener.mostRecentPushNotification.getCollapseId());
        assertNull(listener.mostRecentPushNotification.getPayload());
    }

    {
        final DeliveryPriority priority = DeliveryPriority.CONSERVE_POWER;

        final Http2Headers headers = new DefaultHttp2Headers().addInt(APNS_PRIORITY_HEADER, priority.getCode());

        listener.handlePushNotificationAccepted(headers, null);

        assertNull(listener.mostRecentPushNotification.getToken());
        assertNull(listener.mostRecentPushNotification.getTopic());
        assertEquals(priority, listener.mostRecentPushNotification.getPriority());
        assertNull(listener.mostRecentPushNotification.getExpiration());
        assertNull(listener.mostRecentPushNotification.getCollapseId());
        assertNull(listener.mostRecentPushNotification.getPayload());
    }

    {
        final Date expiration = new Date(1_000_000_000);

        final Http2Headers headers = new DefaultHttp2Headers().addInt(APNS_EXPIRATION_HEADER,
                (int) (expiration.getTime() / 1000));

        listener.handlePushNotificationAccepted(headers, null);

        assertNull(listener.mostRecentPushNotification.getToken());
        assertNull(listener.mostRecentPushNotification.getTopic());
        assertNull(listener.mostRecentPushNotification.getPriority());
        assertEquals(expiration, listener.mostRecentPushNotification.getExpiration());
        assertNull(listener.mostRecentPushNotification.getCollapseId());
        assertNull(listener.mostRecentPushNotification.getPayload());
    }

    {
        final String collapseId = "collapse-id";

        final Http2Headers headers = new DefaultHttp2Headers().add(APNS_COLLAPSE_ID_HEADER, collapseId);

        listener.handlePushNotificationAccepted(headers, null);

        assertNull(listener.mostRecentPushNotification.getToken());
        assertNull(listener.mostRecentPushNotification.getTopic());
        assertNull(listener.mostRecentPushNotification.getPriority());
        assertNull(listener.mostRecentPushNotification.getExpiration());
        assertEquals(collapseId, listener.mostRecentPushNotification.getCollapseId());
        assertNull(listener.mostRecentPushNotification.getPayload());
    }

    {
        final String payload = "A test payload!";

        final Http2Headers headers = new DefaultHttp2Headers();

        final ByteBuf payloadBuffer = ByteBufUtil.writeUtf8(UnpooledByteBufAllocator.DEFAULT, payload);

        try {
            listener.handlePushNotificationAccepted(headers, payloadBuffer);

            assertNull(listener.mostRecentPushNotification.getToken());
            assertNull(listener.mostRecentPushNotification.getTopic());
            assertNull(listener.mostRecentPushNotification.getPriority());
            assertNull(listener.mostRecentPushNotification.getExpiration());
            assertNull(listener.mostRecentPushNotification.getCollapseId());
            assertEquals(payload, listener.mostRecentPushNotification.getPayload());
        } finally {
            payloadBuffer.release();
        }
    }
}

---

• «
• 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
• »