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Trustin Lee feb352c6df Reduce the time taken by NetUtil class initialization 
Motivation:

As reported in #2331, some query operations in NetworkInterface takes much longer time than we expected.  For example, specifying -Djava.net.preferIPv4Stack=true option in Window increases the execution time by more than 4 times.  Some Windows systems have more than 20 network interfaces, and this problem gets bigger as the number of unused (virtual) NICs increases.

Modification:

Use NetworkInterface.getInetAddresses() wherever possible.
Before iterating over all NICs reported by NetworkInterface, filter the NICs without proper InetAddresses.  This reduces the number of candidates quite a lot.
NetUtil does not query hardware address of NIC in the first place but uses InetAddress.isLoopbackAddress().
Do not call unnecessary query operations on NetworkInterface.  Just get hardware address and compare.

Result:

Significantly reduced class initialization time
2014-03-21 13:02:37 +09:00
all [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
buffer Implement Thread caches for pooled buffers to minimize conditions. This fixes [#2264] and [#808]. 2014-03-20 09:18:04 -07:00
codec Remove condition in ChannelHandlerAdapter.isSharable() by caching the result of the annotation lookup. 2014-03-12 12:31:22 +01:00
codec-http [#2305] Fix issue related to decoding post request raized an exception due to a split of information by chunk not correctly taken into account by the decoder 2014-03-14 09:36:50 +01:00
codec-socks [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
common Reduce the time taken by NetUtil class initialization 2014-03-21 13:02:37 +09:00
example Ensure the HttpResponseEncoder is always placed before the HttpObjectAggregator. Part of [#2219] 2014-03-05 06:56:21 +01:00
handler Replace usage of System.currentTimeMillis() with System.nanoTime() 2014-03-18 16:05:51 +09:00
license [#1259] Add optimized queue for SCMP pattern and use it in NIO and native transport 2014-02-27 11:44:06 +01:00
microbench [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
tarball [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
testsuite Reduce SO_TIMEOUT of testsuite so it finishes sooner 2014-03-17 10:53:49 +09:00
transport [#2326] Add constructor to NioServerSocketChannel which accepts a ServerSocketChannel 2014-03-16 07:00:44 -07:00
transport-native-epoll Perform cross-tests between NIO and epoll transport 2014-03-17 10:38:18 +09:00
transport-rxtx [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
transport-sctp [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
transport-udt [maven-release-plugin] prepare for next development iteration 2014-02-24 15:39:26 +01:00
.fbfilter.xml Update license headers 2012-06-04 13:31:44 -07:00
.fbprefs Updated Find Bugs configuration 2009-03-04 10:33:09 +00:00
.gitignore Format and partially describe Gitignore 2013-12-10 07:04:38 +01:00
.travis.yml Travis CI branch whitelisting 2013-03-11 09:55:43 +09:00
CONTRIBUTING.md Move the pull request guide to the developer guide 2014-03-12 13:18:14 +09:00
LICENSE.txt Relicensed to Apache License v2 2009-08-28 07:15:49 +00:00
NOTICE.txt [#1259] Add optimized queue for SCMP pattern and use it in NIO and native transport 2014-02-27 11:44:06 +01:00
pom.xml Add -verbose:gc option for test runs 2014-03-17 14:20:32 +09:00
README.md Update README.md 2014-01-16 14:38:36 +09:00

README.md

Netty Project

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

Links

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

The 'master' branch is where the development of the latest major version lives on. The development of all other major versions takes place in each branch whose name is identical to its major version number. For example, the development of 3.x and 4.x resides in the branch '3' and the branch '4' respectively.