Examples of org.apache.tomcat.lite.io.BBuffer

org.apache.tomcat.lite.io.BBuffer
This class is used to represent a chunk of bytes, and utilities to manipulate byte[]. The buffer can be modified and used for both input and output. There are 2 modes: The chunk can be associated with a sink - ByteInputChannel or ByteOutputChannel, which will be used when the buffer is empty ( on input ) or filled ( on output ). For output, it can also grow. This operating mode is selected by calling setLimit() or allocate(initial, limit) with limit != -1. Various search and append method are defined - similar with String and StringBuffer, but operating on bytes. This is important because it allows processing the http headers directly on the received bytes, without converting to chars and Strings until the strings are needed. In addition, the charset is determined later, from headers or user code. @author dac@sun.com @author James Todd [gonzo@sun.com] @author Costin Manolache @author Remy Maucherat

        net.getIn().append(POST);
        net.getIn().close();


        IOBuffer receiveBody = http.receiveBody;
        IOBuffer appData = receiveBody;
        BBuffer res = BBuffer.allocate(1000);
        appData.readAll(res);


        assertEquals(res.toString(), "1234");
        assertFalse(((Http11Connection)http.conn).keepAlive());


        http.sendBody.queue(res);
        http.getOut().close();
        http.startSending();

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            tr = new ThreadRunner(thr, cnt) {


                public void makeRequest(int i) throws Exception {
                    try {
                        BBuffer out = BBuffer.allocate();
                        String url = ssl ? "https://localhost:8443/hello" :
                            "http://localhost:8802/hello";
                        HttpURLConnection con =
                            TestMain.getUrl(url, out);
                        if (con.getResponseCode() != 200) {
                            errors.incrementAndGet();
                        }
                        if (!"Hello world".equals(out.toString())) {
                            errors.incrementAndGet();
                            System.err.println("bad result " + out);
                        }
                    } catch(Throwable t) {
                        t.printStackTrace();

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        head.readLine(line);


        int idx = 0;


        BBuffer upgrade = null;


        while(line.remaining() > 0) {
            // not empty..
            idx = msgBytes.addHeader();
            BBuffer nameBuf = msgBytes.getHeaderName(idx);
            BBuffer valBuf = msgBytes.getHeaderValue(idx);
            parseHeader(http, head, line, nameBuf, valBuf);


            // TODO: process 'interesting' headers here.
            if (nameBuf.equalsIgnoreCase("connection")) {
                // TODO: save and remove if not recognized

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            HttpMessage.HttpMessageBytes msgBytes ) {


        // process each "cookie" header
        for (int i = 0; i < msgBytes.headerCount; i++) {
            if (msgBytes.getHeaderName(i).equalsIgnoreCase("Cookie")) {
                BBuffer bc = msgBytes.getHeaderValue(i);
                if (bc.remaining() == 0) {
                    continue;
                }
                processCookieHeader(cookies, cookiesCache,
                        bc.array(),
                        bc.getOffset(),
                        bc.getLength());


            }


        }
    }

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                try {
                    SpdyConnection.readShort(iob);


                    HttpMessageBytes resBytes = ch.getResponse().getMsgBytes();


                    BBuffer head = processHeaders(iob, ch, resBytes);
                } catch (Throwable t) {
                    log.log(Level.SEVERE, "Error parsing head", t);
                    abort("Error reading headers " + t);
                    return;
                }

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            }
        }
        // Wrapper - so we don't change position in head
        headRecvBuf.wrapTo(headW);


        BBuffer nameBuf = BBuffer.wrapper();
        BBuffer valBuf = BBuffer.wrapper();


        for (int i = 0; i < nvCount; i++) {


            int nameLen = SpdyConnection.readShort(headW);
            if (nameLen > headW.remaining()) {
                abort("Name too long");
            }


            nameBuf.setBytes(headW.array(), headW.position(),
                            nameLen);
            headW.advance(nameLen);


            int valueLen = SpdyConnection.readShort(headW);
            valBuf.setBytes(headW.array(), headW.position(),
                            valueLen);
            headW.advance(valueLen);


            // TODO: no need to send version, method if default


            if (nameBuf.equals("method")) {
                valBuf.wrapTo(reqBytes.method());
            } else if (nameBuf.equals("version")) {
                valBuf.wrapTo(reqBytes.protocol());
            } else if (nameBuf.equals("url")) {
                valBuf.wrapTo(reqBytes.url());
                // TODO: spdy uses full URL, we may want to trim
                // also no host header
            } else {
                int idx = reqBytes.addHeader();
                nameBuf.wrapTo(reqBytes.getHeaderName(idx));
                valBuf.wrapTo(reqBytes.getHeaderValue(idx));
            }


            // TODO: repeated values are separated by a 0
        }
        return headW;

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        if (!checkConnection(http)) {
            return;
        }
        MultiMap mimeHeaders = http.getRequest().getMimeHeaders();


        BBuffer headBuf = BBuffer.allocate();
        SpdyConnection.appendShort(headBuf, mimeHeaders.size() + 3);
        serializeMime(mimeHeaders, headBuf);


        // TODO: url - with host prefix , method
        // optimize...
        SpdyConnection.appendAsciiHead(headBuf, "version");
        SpdyConnection.appendAsciiHead(headBuf, "HTTP/1.1");


        SpdyConnection.appendAsciiHead(headBuf, "method");
        SpdyConnection.appendAsciiHead(headBuf, http.getRequest().getMethod());


        SpdyConnection.appendAsciiHead(headBuf, "url");
        // TODO: url
        SpdyConnection.appendAsciiHead(headBuf, http.getRequest().requestURL());


        if (headerCompression && httpConnector.compression) {
            headerCompressBuffer.recycle();
            headCompressOut.compress(headBuf, headerCompressBuffer, false);
            headBuf.recycle();
            headerCompressBuffer.copyAll(headBuf);
        }


        // Frame head - 8
        BBuffer out = BBuffer.allocate();
        // Syn-reply
        out.putByte(0x80);
        out.putByte(0x01);
        out.putByte(0x00);
        out.putByte(0x01);


        CBuffer method = http.getRequest().method();
        if (method.equals("GET") || method.equals("HEAD")) {
            http.getOut().close();
        }


        if (http.getOut().isAppendClosed()) {
            out.putByte(0x01); // closed
        } else {
            out.putByte(0x00);
        }


        // Length, channel id (4) + unused (2) - headBuf has header count
        // and headers
        SpdyConnection.append24(out, headBuf.remaining() + 6);


        if (serverMode) {
            http.channelId = 2 * lastOutStream.incrementAndGet();
        } else {
            http.channelId = 2 * lastOutStream.incrementAndGet() + 1;
        }
        SpdyConnection.appendInt(out, http.channelId);


        http.setConnection(this);


        synchronized (channels) {
            channels.put(http.channelId, http);
        }


        out.putByte(0x00); // no priority
        out.putByte(0x00);


        sendFrame(out, headBuf);


        if (http.outMessage.state == HttpMessage.State.HEAD) {
            http.outMessage.state = HttpMessage.State.BODY_DATA;

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        }
        http.getResponse().setCommitted(true);


        MultiMap mimeHeaders = http.getResponse().getMimeHeaders();


        BBuffer headBuf = BBuffer.allocate();




        //mimeHeaders.remove("content-length");
        BBuffer headers = headBuf;
        if (headerCompression) {
            headers = BBuffer.allocate();
        }


        //SpdyConnection.appendInt(headers, http.channelId);
        //headers.putByte(0);
        //headers.putByte(0);
        SpdyConnection.appendShort(headers, mimeHeaders.size() + 2);


        // chrome will crash if we don't send the header
        serializeMime(mimeHeaders, headers);


        // Must be at the end
        SpdyConnection.appendAsciiHead(headers, "status");
        SpdyConnection.appendAsciiHead(headers,
                Integer.toString(http.getResponse().getStatus()));


        SpdyConnection.appendAsciiHead(headers, "version");
        SpdyConnection.appendAsciiHead(headers, "HTTP/1.1");


        if (headerCompression) {
            headerCompressBuffer.recycle();
            headCompressOut.compress(headers, headerCompressBuffer, false);
            headerCompressBuffer.copyAll(headBuf);
            headerCompressBuffer.recycle();
        }


        BBuffer frameHead = BBuffer.allocate();
        // Syn-reply
        frameHead.putByte(0x80); // Control
        frameHead.putByte(0x01); // version
        frameHead.putByte(0x00); // 00 02 - SYN_REPLY
        frameHead.putByte(0x02);


        // It seems piggibacking data is not allowed
        frameHead.putByte(0x00);


        int len = headBuf.remaining() + 6;
        SpdyConnection.append24(frameHead, len);


//        // Stream-Id, unused
        SpdyConnection.appendInt(frameHead, http.channelId);
        frameHead.putByte(0);
        frameHead.putByte(0);


        sendFrame(frameHead, headBuf);
    }

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            // Default is what the socket tells us. Overriden if a host is
            // found/parsed
            return true;
        }


        BBuffer valueBC = hostHF.valueB;
        if (valueBC == null) {
            valueBC = BBuffer.allocate();
            hostHF.getValue().toAscii(valueBC);
        }
        byte[] valueB = valueBC.array();
        int valueL = valueBC.getLength();
        int valueS = valueBC.getStart();


        int colonPos = valueBC.indexOf(':', 0);


        serverNameMB.recycle();


        boolean ipv6 = (valueB[valueS] == '[');
        boolean bracketClosed = false;

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    /**
     * Server mode, request just received.
     */
    protected void processReceivedHeaders() throws IOException {
        BBuffer url = getMsgBytes().url();
        if (url.remaining() == 0) {
            System.err.println("No input");
        }
        if (url.get(0) == 'h') {
            int firstSlash = url.indexOf('/', 0);
            schemeMB.appendAscii(url.array(),
                    url.getStart(), firstSlash + 2);
            if (!schemeMB.equals("http://") &&
                    !schemeMB.equals("https://")) {
                httpCh.getResponse().setStatus(400);
                httpCh.abort("Error normalizing url " +
                        getMsgBytes().url());
                return;
            }


            int urlStart = url.indexOf('/', firstSlash + 2);
            serverNameMB.recycle();
            serverNameMB.appendAscii(url.array(),
                    url.getStart() + firstSlash + 2, urlStart - firstSlash - 2);


            url.position(url.getStart() + urlStart);
        }
        if (!httpCh.normalize(getMsgBytes().url())) {
            httpCh.getResponse().setStatus(400);
            httpCh.abort("Error normalizing url " +
                    getMsgBytes().url());

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Related Classes of org.apache.tomcat.lite.io.BBuffer

org.apache.coyote.lite.TomcatLiteCoyoteTest

org.apache.tomcat.lite.http.Http11Connection

org.apache.tomcat.lite.http.HttpChannelInMemoryTest

org.apache.tomcat.lite.http.HttpChannelTest

org.apache.tomcat.lite.http.HttpMessage

org.apache.tomcat.lite.http.HttpRequest

org.apache.tomcat.lite.http.HttpsTest

org.apache.tomcat.lite.http.ServerCookie

org.apache.tomcat.lite.http.SpdyConnection

org.apache.tomcat.lite.io.jsse.JsseSslProvider

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