Author: markt
Date: Fri Dec  1 10:25:32 2017
New Revision: 1816821

URL: http://svn.apache.org/viewvc?rev=1816821&view=rev
Log:
Refactor to reduce duplication.

Modified:
    tomcat/tc8.5.x/trunk/   (props changed)
    tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
    tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Stream.java

Propchange: tomcat/tc8.5.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Dec  1 10:25:32 2017
@@ -1,2 +1,2 @@
 /tomcat/tc8.0.x/trunk:1809644
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3,1762123,1762168,1762172,1762182,1762201-1762202,1762204,1762208,1762288,1762296,1762324,1762348,1762353,1762362,1762374,1762492,1762503,1762505,1762541,1762608,1762710,1762753,1762766,1762769,1762944,1762947,1762953,1763167,1763179,1763232,1763259,1763271-1763272,1763276-1763277,1763319-1763320,1763370,1763372,1763375,1763377,1763393,1763412,1763430,1763450,1763462,1763505,1763511-1763512,1763516,1763518,1763520,1763529,1763559,1763565,1763568,1763574,1763619,1763634-1763635,1763718,1763748,1763786,1763798-1763799,1763810,1763813,1763815,1763819,1763831,1764083,1764425,1764646,1764648-1764649,1764659,1764663,1764682,1764862,1764866-1764867,1764870,1764897,1765133,1765299,1765358,1765439,1765447,1765495,1765502,1765569-1765571,1765579,1765582,1765589-1765590,1765794,1765801,1765813,1765815,1766276,1766514,1766533,1766535,1766664,1766675,1766698,1766700,1766822,1766834,1766840,1767047,1767328,1767362,1767368,1767429,1767471,1767505,1767641-1767644,1767903,1767945-1767946,1768123,176
 
8283,1768520,1768569,1768651,1768762,1768922,1769191,1769263,1769630,1769833,1769975,1770047,1770140,1770180,1770258,1770389,1770656,1770666,1770718,1770762,1770952,1770954,1770956,1770961,1771087,1771126,1771139,1771143,1771149,1771156,1771266,1771316,1771386,1771611,1771613,1771711,1771718,1771723-1771724,1771730,1771743,1771752,1771853,1771963,1772170,1772174,1772223,1772229,1772318-1772319,1772353,1772355,1772554,1772603-1772609,1772849,1772865,1772870,1772872,1772875-1772876,1772881,1772886,1772947,1773306,1773344,1773418,1773756,1773813-1773814,1774052,1774102,1774131,1774161,1774164,1774248,1774253,1774257,1774259,1774262,1774267,1774271,1774303,1774340,1774406,1774412,1774426,1774433,1774522-1774523,1774526,1774528-1774529,1774531,1774732-1774736,1774738-1774739,1774741-1774742,1774749,1774755,1774789,1774858,1774867,1775596,1775985-1775986,1776540,1776937,1776954,1777011,1777173,1777189,1777211,1777524,1777546,1777605,1777619,1777647,1777721-1777722,1777967,1778061,1778138-
 
1778139,1778141-1778150,1778154,1778275-1778276,1778295,1778342,1778348,1778404,1778424,1778426,1778575,1778582,1778600,1778603,1779312,1779370,1779545,1779612,1779622,1779641,1779654,1779708,1779718,1779897,1779899,1779932,1780109,1780120,1780189,1780196,1780488,1780514-1780516,1780601,1780606,1780609-1780610,1780652,1780991,1780995-1780996,1781174,1781569,1781975,1781986,1782116,1782383-1782384,1782566,1782572,1782775,1782779,1782814,1782857,1782868,1782934,1782946-1782947,1782956,1783144-1783147,1783155,1783408,1784182,1784565,1784583,1784657,1784669,1784712,1784723,1784751,1784767,1784806,1784818,1784911,1784926,1784956,1784963,1785032,1785037,1785245,1785271,1785310,1785317,1785643,1785667,1785762,1785774,1785823,1785935,1786051,1786070,1786123-1786124,1786127,1786129,1786341,1786378,1786844,1787200,1787250,1787405,1787701,1787703,1787938,1787959,1787973,1788223-1788224,1788228,1788232,1788241-1788242,1788248,1788323,1788328,1788455,1788460,1788473,1788543-1788544,1788548,17885
 
50,1788554,1788558,1788560,1788567,1788569,1788572,1788647,1788732,1788741,1788747,1788753,1788764,1788771,1788834,1788841,1788852,1788860,1788883,1788890,1789051,1789400,1789415,1789442-1789443,1789447,1789453,1789456,1789458,1789461-1789463,1789465-1789467,1789470,1789472,1789474,1789476,1789479-1789480,1789733,1789735,1789744-1789745,1789937,1789984,1790119,1790180,1790183,1790213,1790376,1790614,1790983,1790991,1791027-1791028,1791050,1791090,1791095-1791096,1791099,1791101-1791103,1791124,1791129,1791134,1791137,1791298,1791527,1791557,1791970,1792033,1792038,1792055,1792093,1792140,1792460,1792468,1792791,1792957,1793095,1793121,1793123,1793127,1793136,1793139,1793147-1793148,1793266,1793437,1793449,1793460,1793468,1793487,1793498,1793502,1793514,1793682-1793683,1793711-1793712,1793716,1793719,1793736,1793746,1793758,1793771,1793776,1793798,1793802,1793812,1793819,1793844,1793854,1793887,1793891,1793898,1793901-1793902,1793907,1793910,1793980,1794674,1794941-1794942,1795278,17
 
95289,1795298,1795305,1795813,1795893,1796090,1796275,1796693-1796695,1796729,1796806,1796836,1796873,1796878,1797197,1797338,1797344,1797354-1797355,1797516,1797528,1797532,1797536,1797540,1797543,1797677-1797678,1797692,1797694,1797748,1797828,1798126,1798238,1798280,1798371,1798379,1798384,1798390,1798395,1798419,1798505,1798507,1798509,1798533,1798546,1798561,1798977,1799115,1799126,1799164,1799190,1799194,1799216,1799231,1799250,1799253,1799285,1799368,1799412,1799515,1799701-1799702,1799704,1799709,1799885,1799893,1799895,1799916,1800136-1800138,1800202,1800309,1800390,1800617,1800629,1800791,1800816,1800850,1800864,1800867,1800874,1800885,1800981,1800984,1800988,1800992,1801195,1801686,1801688,1801709,1801717,1801774,1801778,1802083,1802195,1802204-1802205,1802210,1802225-1802226,1802229,1802403,1802475,1802490,1802788,1802796,1802803,1802820,1802828,1802833,1802836,1803030,1803038,1803055,1803135,1803165,1803174,1803193,1803205,1803224,1803278,1803281,1803295,1803297,1803446
 
,1803451,1803456,1803459,1803616,1803636,1803828,1803901,1803972,1804040,1804094,1804306,1804461-1804463,1804501,1804506-1804507,1804754,1804813,1804888,1804890,1804903-1804908,1804915,1804917,1805523-1805530,1805550,1805612-1805613,1805637,1805645,1805652,1805726,1805752,1805782,1805826,1806307,1806356,1806445,1806736,1806794,1806798,1806801,1806807,1806873,1806966,1806973,1807004,1807093,1807135,1807205-1807206,1807237,1807242,1807251,1807282,1807455,1807686,1807698,1807713,1807715,1807729,1807742,1807747,1807751,1807755,1808116,1808156,1808266,1808433,1808438-1808439,1808482,1808695,1808701,1808766,1809011,1809025,1809141,1809143-1809144,1809146,1809158,1809212,1809214,1809239,1809248,1809263,1809265,1809317,1809434,1809669,1809671,1809674,1809684,1809711,1809828,1809830,1809908-1809909,1809922,1810106,1810110,1810280,1810300,1811031,1811119,1811122,1811132,1811137,1811139,1811174,1811176,1811198-1811201,1811203-1811206,1811220,1811235,1811246,1811327-1811329,1811350,1811560,1811
 
704,1811837-1811839,1811861,1811932,1812088,1812092,1812094,1812103,1812107,1812113,1812129,1812134-1812136,1812184,1812315,1812401,1812489,1812513,1812617,1813919,1814192,1814195,1814567,1814825,1814973,1814980,1815066,1815069,1815208,1815215,1815318-1815319,1815325,1815385,1815429,1815441-1815442,1815451,1815459,1815465,1815505,1815615,1815793,1815800,1815802,1815806,1815826,1815829,1815834,1815840,1815903,1815944,1815954,1816076,1816078,1816083,1816087,1816120,1816128,1816140,1816147,1816157,1816338,1816418,1816431,1816443,1816538,1816541,1816545,1816549-1816550,1816563,1816647

Modified: 
tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java?rev=1816821&r1=1816820&r2=1816821&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java 
(original)
+++ tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Http2UpgradeHandler.java 
Fri Dec  1 10:25:32 2017
@@ -40,7 +40,6 @@ import org.apache.coyote.Adapter;
 import org.apache.coyote.CloseNowException;
 import org.apache.coyote.ProtocolException;
 import org.apache.coyote.Request;
-import org.apache.coyote.Response;
 import org.apache.coyote.http11.upgrade.InternalHttpUpgradeHandler;
 import org.apache.coyote.http2.HpackDecoder.HeaderEmitter;
 import org.apache.coyote.http2.HpackEncoder.State;
@@ -49,6 +48,7 @@ import org.apache.coyote.http2.Http2Pars
 import org.apache.juli.logging.Log;
 import org.apache.juli.logging.LogFactory;
 import org.apache.tomcat.util.codec.binary.Base64;
+import org.apache.tomcat.util.http.MimeHeaders;
 import org.apache.tomcat.util.net.AbstractEndpoint.Handler.SocketState;
 import org.apache.tomcat.util.net.SSLSupport;
 import org.apache.tomcat.util.net.SocketEvent;
@@ -514,11 +514,13 @@ public class Http2UpgradeHandler extends
         }
     }
 
-    void writeHeaders(Stream stream, Response coyoteResponse, boolean 
endOfStream, int payloadSize)
-            throws IOException {
+    void writeHeaders(Stream stream, int pushedStreamId, MimeHeaders 
mimeHeaders,
+            boolean endOfStream, int payloadSize) throws IOException {
+
         if (log.isDebugEnabled()) {
             log.debug(sm.getString("upgradeHandler.writeHeaders", connectionId,
-                    stream.getIdentifier()));
+                    stream.getIdentifier(), Integer.valueOf(pushedStreamId),
+                    Boolean.valueOf(endOfStream)));
         }
 
         if (!stream.canWrite()) {
@@ -526,78 +528,37 @@ public class Http2UpgradeHandler extends
         }
 
         byte[] header = new byte[9];
-        ByteBuffer target = ByteBuffer.allocate(payloadSize);
-        boolean first = true;
-        State state = null;
-        // This ensures the Stream processing thread has control of the socket.
-        synchronized (socketWrapper) {
-            while (state != State.COMPLETE) {
-                state = 
getHpackEncoder().encode(coyoteResponse.getMimeHeaders(), target);
-                target.flip();
-                if (state == State.COMPLETE || target.limit() > 0) {
-                    ByteUtil.setThreeBytes(header, 0, target.limit());
-                    if (first) {
-                        first = false;
-                        header[3] = FrameType.HEADERS.getIdByte();
-                        if (endOfStream) {
-                            header[4] = FLAG_END_OF_STREAM;
-                        }
-                    } else {
-                        header[3] = FrameType.CONTINUATION.getIdByte();
-                    }
-                    if (state == State.COMPLETE) {
-                        header[4] += FLAG_END_OF_HEADERS;
-                    }
-                    if (log.isDebugEnabled()) {
-                        log.debug(target.limit() + " bytes");
-                    }
-                    ByteUtil.set31Bits(header, 5, 
stream.getIdentifier().intValue());
-                    try {
-                        socketWrapper.write(true, header, 0, header.length);
-                        socketWrapper.write(true, target);
-                        socketWrapper.flush(true);
-                    } catch (IOException ioe) {
-                        handleAppInitiatedIOException(ioe);
-                    }
-                }
-                if (state == State.UNDERFLOW && target.limit() == 0) {
-                    target = ByteBuffer.allocate(target.capacity() * 2);
-                } else {
-                    target.clear();
-                }
-            }
-        }
-    }
-
+        ByteBuffer payload = ByteBuffer.allocate(payloadSize);
 
-    void writePushHeaders(Stream stream, int pushedStreamId, Request 
coyoteRequest, int payloadSize)
-            throws IOException {
-        if (log.isDebugEnabled()) {
-            log.debug(sm.getString("upgradeHandler.writePushHeaders", 
connectionId,
-                    stream.getIdentifier(), Integer.toString(pushedStreamId)));
+        byte[] pushedStreamIdBytes = null;
+        if (pushedStreamId > 0) {
+            pushedStreamIdBytes = new byte[4];
+            ByteUtil.set31Bits(pushedStreamIdBytes, 0, pushedStreamId);
         }
 
-        if (!stream.canWrite()) {
-            return;
-        }
-
-        byte[] header = new byte[9];
-        ByteBuffer target = ByteBuffer.allocate(payloadSize);
         boolean first = true;
         State state = null;
-        byte[] pushedStreamIdBytes = new byte[4];
-        ByteUtil.set31Bits(pushedStreamIdBytes, 0, pushedStreamId);
+
         // This ensures the Stream processing thread has control of the socket.
         synchronized (socketWrapper) {
-            target.put(pushedStreamIdBytes);
             while (state != State.COMPLETE) {
-                state = 
getHpackEncoder().encode(coyoteRequest.getMimeHeaders(), target);
-                target.flip();
-                if (state == State.COMPLETE || target.limit() > 0) {
-                    ByteUtil.setThreeBytes(header, 0, target.limit());
+                if (first && pushedStreamIdBytes != null) {
+                    payload.put(pushedStreamIdBytes);
+                }
+                state = getHpackEncoder().encode(mimeHeaders, payload);
+                payload.flip();
+                if (state == State.COMPLETE || payload.limit() > 0) {
+                    ByteUtil.setThreeBytes(header, 0, payload.limit());
                     if (first) {
                         first = false;
-                        header[3] = FrameType.PUSH_PROMISE.getIdByte();
+                        if (pushedStreamIdBytes == null) {
+                            header[3] = FrameType.HEADERS.getIdByte();
+                        } else {
+                            header[3] = FrameType.PUSH_PROMISE.getIdByte();
+                        }
+                        if (endOfStream) {
+                            header[4] = FLAG_END_OF_STREAM;
+                        }
                     } else {
                         header[3] = FrameType.CONTINUATION.getIdByte();
                     }
@@ -605,21 +566,19 @@ public class Http2UpgradeHandler extends
                         header[4] += FLAG_END_OF_HEADERS;
                     }
                     if (log.isDebugEnabled()) {
-                        log.debug(target.limit() + " bytes");
+                        log.debug(payload.limit() + " bytes");
                     }
                     ByteUtil.set31Bits(header, 5, 
stream.getIdentifier().intValue());
                     try {
                         socketWrapper.write(true, header, 0, header.length);
-                        socketWrapper.write(true, target);
+                        socketWrapper.write(true, payload);
                         socketWrapper.flush(true);
                     } catch (IOException ioe) {
                         handleAppInitiatedIOException(ioe);
                     }
-                }
-                if (state == State.UNDERFLOW && target.limit() == 0) {
-                    target = ByteBuffer.allocate(target.capacity() * 2);
-                } else {
-                    target.clear();
+                    payload.clear();
+                } else if (state == State.UNDERFLOW) {
+                    payload = ByteBuffer.allocate(payload.capacity() * 2);
                 }
             }
         }
@@ -1133,7 +1092,8 @@ public class Http2UpgradeHandler extends
         Stream pushStream  = createLocalStream(request);
 
         // TODO: Is 1k the optimal value?
-        writePushHeaders(associatedStream, 
pushStream.getIdentifier().intValue(), request, 1024);
+        writeHeaders(associatedStream, pushStream.getIdentifier().intValue(),
+                request.getMimeHeaders(), false, 1024);
 
         pushStream.sentPushPromise();
 

Modified: tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Stream.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Stream.java?rev=1816821&r1=1816820&r2=1816821&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Stream.java (original)
+++ tomcat/tc8.5.x/trunk/java/org/apache/coyote/http2/Stream.java Fri Dec  1 
10:25:32 2017
@@ -50,11 +50,13 @@ public class Stream extends AbstractStre
     private static final int HEADER_STATE_REGULAR = 2;
     private static final int HEADER_STATE_TRAILER = 3;
 
-    private static final Response ACK_RESPONSE = new Response();
+    private static final MimeHeaders ACK_HEADERS;
 
     static {
-        ACK_RESPONSE.setStatus(100);
-        prepareHeaders(ACK_RESPONSE);
+        Response response =  new Response();
+        response.setStatus(100);
+        prepareHeaders(response);
+        ACK_HEADERS = response.getMimeHeaders();
     }
 
     private volatile int weight = Constants.DEFAULT_WEIGHT;
@@ -412,12 +414,12 @@ public class Stream extends AbstractStre
         prepareHeaders(coyoteResponse);
         boolean endOfStream = getOutputBuffer().hasNoBody();
         // TODO: Is 1k the optimal value?
-        handler.writeHeaders(this, coyoteResponse, endOfStream, 1024);
+        handler.writeHeaders(this, 0, coyoteResponse.getMimeHeaders(), 
endOfStream, 1024);
     }
 
     void writeAck() throws IOException {
         // TODO: Is 64 too big? Just the status header with compression
-        handler.writeHeaders(this, ACK_RESPONSE, false, 64);
+        handler.writeHeaders(this, 0, ACK_HEADERS, false, 64);
     }
 
 



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