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Adding logging to NettyClientHandler.

This commit is contained in:
nmittler 2015-05-06 14:31:43 -07:00
parent 64df428e36
commit d8d8ebd783
1 changed files with 12 additions and 0 deletions
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12
netty/src/main/java/io/grpc/transport/netty/NettyClientHandler.java
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@ -35,6 +35,8 @@ import static io.netty.util.CharsetUtil.UTF_8;
import com.google.common.base.Preconditions; import com.google.common.base.Preconditions;
import com.sun.istack.internal.logging.Logger;
import io.grpc.Metadata; import io.grpc.Metadata;
import io.grpc.Status; import io.grpc.Status;
import io.grpc.transport.HttpUtil; import io.grpc.transport.HttpUtil;
@ -63,6 +65,7 @@ import javax.annotation.Nullable;
* the context of the Netty Channel thread. * the context of the Netty Channel thread.
*/ */
class NettyClientHandler extends Http2ConnectionHandler { class NettyClientHandler extends Http2ConnectionHandler {
private static final Logger logger = Logger.getLogger(NettyClientHandler.class);
private final Http2Connection.PropertyKey streamKey; private final Http2Connection.PropertyKey streamKey;
private int connectionWindowSize; private int connectionWindowSize;
@ -186,12 +189,19 @@ class NettyClientHandler extends Http2ConnectionHandler {
stream.transportReportStatus(Status.UNKNOWN, false, new Metadata.Trailers()); stream.transportReportStatus(Status.UNKNOWN, false, new Metadata.Trailers());
} }
@Override
public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
logger.fine("Network channel being closed by the application.");
super.close(ctx, promise);
}
/** /**
* Handler for the Channel shutting down. * Handler for the Channel shutting down.
*/ */
@Override @Override
public void channelInactive(ChannelHandlerContext ctx) throws Exception { public void channelInactive(ChannelHandlerContext ctx) throws Exception {
try { try {
logger.fine("Network channel is closed");
goAwayStatus(goAwayStatus().augmentDescription("Network channel closed")); goAwayStatus(goAwayStatus().augmentDescription("Network channel closed"));
// Report status to the application layer for any open streams // Report status to the application layer for any open streams
connection().forEachActiveStream(new Http2StreamVisitor() { connection().forEachActiveStream(new Http2StreamVisitor() {
@ -210,6 +220,8 @@ class NettyClientHandler extends Http2ConnectionHandler {
@Override @Override
protected void onConnectionError(ChannelHandlerContext ctx, Throwable cause, protected void onConnectionError(ChannelHandlerContext ctx, Throwable cause,
Http2Exception http2Ex) { Http2Exception http2Ex) {
logger.fine("Caught a connection error", cause);
// Save the error. // Save the error.
connectionError = cause; connectionError = cause;
goAwayStatus(Status.fromThrowable(connectionError)); goAwayStatus(Status.fromThrowable(connectionError));