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Norman Maurer 7867f986fa Add support for sendmmsg(...) and so allow to write multiple DatagramPackets with one syscall. Related to [#2719] 
Motivation:

On linux with glibc >= 2.14 it is possible to send multiple DatagramPackets with one syscall. This can be a huge performance win and so we should support it in our native transport.

Modification:

- Add support for sendmmsg by reuse IovArray
- Factor out ThreadLocal support of IovArray to IovArrayThreadLocal for better separation as we use IovArray also without ThreadLocal in NativeDatagramPacketArray now
- Introduce NativeDatagramPacketArray which is used for sendmmsg(...)
- Implement sendmmsg(...) via jni
- Expand DatagramUnicastTest to test also sendmmsg(...)

Result:

Netty now automatically use sendmmsg(...) if it is supported and we have more then 1 DatagramPacket in the ChannelOutboundBuffer and flush() is called.
2014-09-09 09:43:07 +02:00
all [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
buffer [#2843] Add test-case to show correct behavior of ByteBuf.refCnt() and ByteBuf.release(...) 2014-09-01 08:48:15 +02:00
codec Check noJdkZlibEncoder before comparing other parameters 2014-08-26 16:11:45 +09:00
codec-http Reduce memory copies in spdy compression implementation. 2014-08-21 11:26:13 +02:00
codec-socks [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
common Don't ignore maxCapacity if it's not a power of 2 2014-08-31 09:11:01 +02:00
example Fix example for Http Upload 2014-08-18 10:49:05 +02:00
handler [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
license Remove license of deque as we not use it anymore 2014-08-04 12:21:33 +02:00
microbench [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
tarball [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
testsuite Add support for sendmmsg(...) and so allow to write multiple DatagramPackets with one syscall. Related to [#2719] 2014-09-09 09:43:07 +02:00
transport [#2586] Use correct EventExecutor to notify for bind failures on late registration 2014-08-20 16:32:39 +02:00
transport-native-epoll Add support for sendmmsg(...) and so allow to write multiple DatagramPackets with one syscall. Related to [#2719] 2014-09-09 09:43:07 +02:00
transport-rxtx [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
transport-sctp [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
transport-udt [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
.fbprefs Updated Find Bugs configuration 2009-03-04 10:33:09 +00:00
.gitignore Add JVM crash logs to .gitignore 2014-05-18 21:37:12 +09:00
.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 Remove license of deque as we not use it anymore 2014-08-04 12:21:33 +02:00
pom.xml [maven-release-plugin] prepare for next development iteration 2014-08-16 03:02:02 +09:00
README.md Add a link to the 'native transports' page 2014-07-21 12:54:43 -07:00
run-example.sh Use a forked exec-maven-plugin instead of maven-antrun-plugin 2014-05-23 20:06:12 +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.