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8257001: Improve Http Client Support

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Reviewed-by: chegar, dfuchs, rhalade
This commit is contained in:
Rahul Yadav 2021-01-21 14:52:08 +00:00 committed by Henry Jen
parent 9bf055d359
commit 8d0faaf91a
1 changed files with 11 additions and 7 deletions
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18
src/java.net.http/share/classes/jdk/internal/net/http/Http2Connection.java
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@ -121,6 +121,7 @@ class Http2Connection {
static private final int MAX_CLIENT_STREAM_ID = Integer.MAX_VALUE; // 2147483647
static private final int MAX_SERVER_STREAM_ID = Integer.MAX_VALUE - 1; // 2147483646
static private final int BUFFER = 8; // added as an upper bound
/**
* Flag set when no more streams to be opened on this connection.
@ -1111,8 +1112,10 @@ class Http2Connection {
* and CONTINUATION frames from the list and return the List<Http2Frame>.
*/
private List<HeaderFrame> encodeHeaders(OutgoingHeaders<Stream<?>> frame) {
// max value of frame size is clamped by default frame size to avoid OOM
int bufferSize = Math.min(Math.max(getMaxSendFrameSize(), 1024), DEFAULT_FRAME_SIZE);
List<ByteBuffer> buffers = encodeHeadersImpl(
getMaxSendFrameSize(),
bufferSize,
frame.getAttachment().getRequestPseudoHeaders(),
frame.getUserHeaders(),
frame.getSystemHeaders());
@ -1135,9 +1138,9 @@ class Http2Connection {
// by the sendLock. / (see sendFrame())
// private final ByteBufferPool headerEncodingPool = new ByteBufferPool();
private ByteBuffer getHeaderBuffer(int maxFrameSize) {
ByteBuffer buf = ByteBuffer.allocate(maxFrameSize);
buf.limit(maxFrameSize);
private ByteBuffer getHeaderBuffer(int size) {
ByteBuffer buf = ByteBuffer.allocate(size);
buf.limit(size);
return buf;
}
@ -1152,8 +1155,8 @@ class Http2Connection {
* header field names MUST be converted to lowercase prior to their
* encoding in HTTP/2...
*/
private List<ByteBuffer> encodeHeadersImpl(int maxFrameSize, HttpHeaders... headers) {
ByteBuffer buffer = getHeaderBuffer(maxFrameSize);
private List<ByteBuffer> encodeHeadersImpl(int bufferSize, HttpHeaders... headers) {
ByteBuffer buffer = getHeaderBuffer(bufferSize);
List<ByteBuffer> buffers = new ArrayList<>();
for(HttpHeaders header : headers) {
for (Map.Entry<String, List<String>> e : header.map().entrySet()) {
@ -1164,7 +1167,7 @@ class Http2Connection {
while (!hpackOut.encode(buffer)) {
buffer.flip();
buffers.add(buffer);
buffer = getHeaderBuffer(maxFrameSize);
buffer = getHeaderBuffer(bufferSize);
}
}
}
@ -1174,6 +1177,7 @@ class Http2Connection {
return buffers;
}
private List<ByteBuffer> encodeHeaders(OutgoingHeaders<Stream<?>> oh, Stream<?> stream) {
oh.streamid(stream.streamid);
if (Log.headers()) {