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Alexandre Dutra 2ff8973f69
Allow blocking calls inside HashedWheelTimer start() and stop() (#10810)
Motivation:

When a HashedWheelTimer instance is started or stopped, its working
thread is started or stopped. These operations block the calling
thread:
- start() calls java.util.concurrent.CountDownLatch.await() to wait
for the worker thread to finish initializing;
- stop() calls java.lang.Thread.join(long) to wait for the worker
thread to exit.
BlockHound detects these calls and as a consequence, prevents
HashedWheelTimer from working properly, if it is started or stopped
in a thread that is not allowed to block.

Modifications:

Added two more BlockHound exceptions to
io.netty.util.internal.Hidden.NettyBlockHoundIntegration: one
for HashedWheelTimer.start() and one for HashedWheelTimer.stop().

Result:

HashedWheelTimer can now be started and stopped properly when
BlockHound is activated.
2020-11-23 08:41:07 +01:00
.github Smaller output in codeql build (#10787) 2020-11-09 15:32:18 +01:00
.mvn Use latest maven release (#9820) 2019-11-27 14:45:28 +01:00
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buffer Fix UnsafeByteBufUtil#setBytes() cause JVM crash (#10791) (#10795) 2020-11-16 09:01:01 +01:00
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codec-http Override Sec-WebSocket-Protocol websocket handshake response header after custom headers to avoid duplication (#10793) 2020-11-19 09:49:44 +01:00
codec-http2 Fix comment typo DelegatingDecompressorFrameListener (#10789) 2020-11-16 09:03:37 +01:00
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codec-stomp Add ABORT and COMMIT STOMP commands to the StompCommand enum (#10790) 2020-11-19 14:23:37 +01:00
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common Allow blocking calls inside HashedWheelTimer start() and stop() (#10810) 2020-11-23 08:41:07 +01:00
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transport-blockhound-tests Allow blocking calls inside HashedWheelTimer start() and stop() (#10810) 2020-11-23 08:41:07 +01:00
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.fbprefs Updated Find Bugs configuration 2009-03-04 10:33:09 +00:00
.gitattributes Include mvn wrapper to make setup of development env easier 2018-01-26 08:13:17 +01:00
.gitignore Ignore .shelf/ folder generated by IntelliJ IDEA (#10445) 2020-08-03 07:51:53 +02:00
.lgtm.yml Enables lgtm.com to process this project and create a CodeQL database 2020-01-17 11:05:53 +01:00
CONTRIBUTING.md Change the netty.io homepage scheme(http -> https) (#9344) 2019-07-09 21:09:42 +02:00
LICENSE.txt Enable nohttp check during the build (#10708) 2020-10-23 14:44:18 +02:00
mvnw Enable nohttp check during the build (#10708) 2020-10-23 14:44:18 +02:00
mvnw.cmd Enable nohttp check during the build (#10708) 2020-10-23 14:44:18 +02:00
nohttp-checkstyle-suppressions.xml Use http in xmlns URIs to make maven release plugin happy again (#10788) 2020-11-10 10:22:35 +01:00
nohttp-checkstyle.xml Enable nohttp check during the build (#10708) 2020-10-23 14:44:18 +02:00
NOTICE.txt Fix License type of dnsinfo (#10773) 2020-11-04 10:40:43 +01:00
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README.md Enable nohttp check during the build (#10708) 2020-10-23 14:44:18 +02:00
run-example.sh Add DNS client examples for run-example.sh (#10283) 2020-05-14 12:10:32 +02:00
SECURITY.md Added a security policy (#10692) 2020-10-15 20:39:37 +02:00

Netty Project

Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.

How to build

For the detailed information about building and developing Netty, please visit the developer guide. This page only gives very basic information.

You require the following to build Netty:

Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+) is enough to run your Netty-based application.

Branches to look

Development of all versions takes place in each branch whose name is identical to <majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.0 resides in the branch '3.9' and the branch '4.0' respectively.

Usage with JDK 9

Netty can be used in modular JDK9 applications as a collection of automatic modules. The module names follow the reverse-DNS style, and are derived from subproject names rather than root packages due to historical reasons. They are listed below:

  • io.netty.all
  • io.netty.buffer
  • io.netty.codec
  • io.netty.codec.dns
  • io.netty.codec.haproxy
  • io.netty.codec.http
  • io.netty.codec.http2
  • io.netty.codec.memcache
  • io.netty.codec.mqtt
  • io.netty.codec.redis
  • io.netty.codec.smtp
  • io.netty.codec.socks
  • io.netty.codec.stomp
  • io.netty.codec.xml
  • io.netty.common
  • io.netty.handler
  • io.netty.handler.proxy
  • io.netty.resolver
  • io.netty.resolver.dns
  • io.netty.transport
  • io.netty.transport.epoll (native omitted - reserved keyword in Java)
  • io.netty.transport.kqueue (native omitted - reserved keyword in Java)
  • io.netty.transport.unix.common (native omitted - reserved keyword in Java)
  • io.netty.transport.rxtx
  • io.netty.transport.sctp
  • io.netty.transport.udt

Automatic modules do not provide any means to declare dependencies, so you need to list each used module separately in your module-info file.