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src/java.httpclient/share/classes/java/net/http/HttpConnection.java
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@@ -21,13 +21,12 @@
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
*/
package java.net.http;
-import java.io.FileOutputStream;
+import java.io.Closeable;
import java.io.IOException;
-import java.io.PrintStream;
import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;
import java.util.concurrent.CompletableFuture;
import javax.net.ssl.SSLParameters;
@@ -40,20 +39,31 @@
* PlainProxyConnection: plain text proxy connection
* PlainTunnelingConnection: opens plain text (CONNECT) tunnel to server
* SSLConnection: TLS channel direct to server
* SSLTunnelConnection: TLS channel via (CONNECT) proxy tunnel
*/
-abstract class HttpConnection implements BufferHandler {
+abstract class HttpConnection implements BufferHandler, Closeable {
+
+ protected final static ByteBuffer emptyBuf = Utils.EMPTY_BYTEBUFFER;
+
+ enum Mode {
+ BLOCKING,
+ NON_BLOCKING,
+ ASYNC
+ }
+
+ protected Mode mode;
// address we are connected to. Could be a server or a proxy
final InetSocketAddress address;
final HttpClientImpl client;
protected volatile ByteBuffer buffer;
HttpConnection(InetSocketAddress address, HttpClientImpl client) {
this.address = address;
this.client = client;
+ this.buffer = emptyBuf;
}
/**
* Public API to this class. addr is the ultimate destination. Any proxies
* etc are figured out from the request. Returns an instance of one of the
@@ -66,11 +76,25 @@
* When object returned, connect() or connectAsync() must be called, which
* when it returns/completes, the connection is usable for requests.
*/
public static HttpConnection getConnection(InetSocketAddress addr,
HttpRequestImpl request) {
- return getConnectionImpl(addr, request);
+ return getConnectionImpl(addr, request, null);
+ }
+
+ /**
+ * Called specifically to get an async connection for HTTP/2 over SSL.
+ *
+ * @param addr
+ * @param request
+ * @param http2
+ * @return
+ */
+ public static HttpConnection getConnection(InetSocketAddress addr,
+ HttpRequestImpl request, Http2Connection http2) {
+
+ return getConnectionImpl(addr, request, http2);
}
public abstract void connect() throws IOException, InterruptedException;
public abstract CompletableFuture<Void> connectAsync();
@@ -91,11 +115,11 @@
// must be called before reading any data off connection
// at beginning of response.
ByteBuffer getRemaining() {
ByteBuffer b = buffer;
- buffer = null;
+ buffer = emptyBuf;
return b;
}
final boolean isOpen() {
return channel().isOpen();
@@ -121,30 +145,32 @@
}
}
}
private static HttpConnection getSSLConnection(InetSocketAddress addr,
- InetSocketAddress proxy,
- HttpRequestImpl request,
- String[] alpn) {
+ InetSocketAddress proxy, HttpRequestImpl request,
+ String[] alpn, Http2Connection http2) {
HttpClientImpl client = request.client();
if (proxy != null) {
return new SSLTunnelConnection(addr,
client,
proxy,
request.getAccessControlContext());
- } else {
+ } else if (http2 == null) {
return new SSLConnection(addr, client, alpn);
+ } else {
+ return new AsyncSSLConnection(addr, client, alpn);
}
}
/**
* Main factory method. Gets a HttpConnection, either cached or new if
* none available.
*/
private static HttpConnection getConnectionImpl(InetSocketAddress addr,
- HttpRequestImpl request) {
+ HttpRequestImpl request, Http2Connection http2) {
+
HttpConnection c;
HttpClientImpl client = request.client();
InetSocketAddress proxy = request.proxy();
boolean secure = request.secure();
ConnectionPool pool = client.connectionPool();
@@ -165,11 +191,11 @@
} else {
c = pool.getConnection(true, addr, proxy);
if (c != null) {
return c;
} else {
- return getSSLConnection(addr, proxy, request, alpn);
+ return getSSLConnection(addr, proxy, request, alpn, http2);
}
}
}
void returnToCache(HttpHeaders hdrs) {
@@ -221,68 +247,20 @@
final InetSocketAddress address() {
return address;
}
- void configureBlocking(boolean mode) throws IOException {
- channel().configureBlocking(mode);
+ synchronized void configureMode(Mode mode) throws IOException {
+ this.mode = mode;
+ if (mode == Mode.BLOCKING)
+ channel().configureBlocking(true);
+ else
+ channel().configureBlocking(false);
}
abstract ConnectionPool.CacheKey cacheKey();
- /*
- static PrintStream ps;
-
- static {
- try {
- String propval = Utils.getNetProperty("java.net.httpclient.showData");
- if (propval != null && propval.equalsIgnoreCase("true")) {
- ps = new PrintStream(new FileOutputStream("/tmp/httplog.txt"), false);
- }
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
- synchronized final void debugPrint(String s, ByteBuffer b) {
- ByteBuffer[] bufs = new ByteBuffer[1];
- bufs[0] = b;
- debugPrint(s, bufs, 0, 1);
- }
-
- synchronized final void debugPrint(String s,
- ByteBuffer[] bufs,
- int start,
- int number) {
- if (ps == null) {
- return;
- }
-
- ps.printf("\n%s:\n", s);
-
- for (int i=start; i<start+number; i++) {
- ByteBuffer b = bufs[i].duplicate();
- while (b.hasRemaining()) {
- int c = b.get();
- if (c == 10) {
- ps.printf("LF \n");
- } else if (c == 13) {
- ps.printf(" CR ");
- } else if (c == 0x20) {
- ps.printf("_");
- } else if (c > 0x20 && c <= 0x7F) {
- ps.printf("%c", (char)c);
- } else {
- ps.printf("0x%02x ", c);
- }
- }
- }
- ps.printf("\n---------------------\n");
- }
-
- */
-
// overridden in SSL only
SSLParameters sslParameters() {
return null;
}
@@ -294,11 +272,12 @@
abstract long write(ByteBuffer buffer) throws IOException;
/**
* Closes this connection, by returning the socket to its connection pool.
*/
- abstract void close();
+ @Override
+ public abstract void close();
/**
* Returns a ByteBuffer with data, or null if EOF.
*/
final ByteBuffer read() throws IOException {
@@ -354,14 +333,19 @@
public String toString() {
return "HttpConnection: " + channel().toString();
}
@Override
- public final ByteBuffer getBuffer() {
- return client.getBuffer();
+ public final ByteBuffer getBuffer(int n) {
+ return client.getBuffer(n);
}
@Override
public final void returnBuffer(ByteBuffer buffer) {
client.returnBuffer(buffer);
}
+
+ @Override
+ public final void setMinBufferSize(int n) {
+ client.setMinBufferSize(n);
+ }
}
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