Commit Graph

953 Commits

Author SHA1 Message Date
Norman Maurer
b4b14ea19f Ensure backward-compability with 4.0
Motivation:

Each different *ChannelOption did extend ChannelOption in 4.0, which we changed in 4.1. This is a breaking change in terms of the API so we need to ensure we keep the old hierarchy.

Modifications:

- Let all *ChannelOption extend ChannelOption
- Add back constructor and mark it as @deprecated

Result:

No API breakage between 4.0 and 4.1
2015-04-19 13:25:42 +02:00
Trustin Lee
e48e6e4509 Fix checkstyle 2015-04-17 11:39:36 +09:00
Jakob Buchgraber
c2de195f87 Improve performance of AsciiString.equals(Object).
Motivation:

The current implementation does byte by byte comparison, which we have seen
can be a performance bottleneck when the AsciiString is used as the key in
a Map.

Modifications:

Use sun.misc.Unsafe (on supporting platforms) to compare up to eight bytes at a time
and get closer to the performance of String.equals(Object).

Result:

Significant improvement (2x - 6x) in performance over the current implementation.

Benchmark                                             (size)   Mode   Samples        Score  Score error    Units
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual       10  thrpt        10 118843477.518 2347259.347    ops/s
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual       50  thrpt        10 43910319.773   198376.996    ops/s
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual      100  thrpt        10 26339969.001   159599.252    ops/s
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual     1000  thrpt        10  2873119.030    20779.056    ops/s
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual    10000  thrpt        10   306370.450     1933.303    ops/s
i.n.m.i.PlatformDependentBenchmark.arraysBytesEqual   100000  thrpt        10    25750.415      108.391    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual       10  thrpt        10 248077563.510  635320.093    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual       50  thrpt        10 128198943.138  614827.548    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual      100  thrpt        10 86195621.349  1063959.307    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual     1000  thrpt        10 16920264.598    61615.365    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual    10000  thrpt        10  1687454.747     6367.602    ops/s
i.n.m.i.PlatformDependentBenchmark.unsafeBytesEqual   100000  thrpt        10   153717.851      586.916    ops/s
2015-04-16 17:29:54 -07:00
Roger Kapsi
221a9f50d4 Fix for ByteString#hashCode()
Motivation:

ByteString#hashCode() trashes its own hash code if it's being accessed concurrently

Modifications:

Pull the ByteString#hash into a local variable and calculate it locally.

Result:

ByteString#hashCode() is no longer returning a junk value.
2015-04-16 17:00:44 -07:00
nmittler
7aac50a79a Optimizing KObjectHashMap hashIndex()
Motivation:

The IntObjectHashMap benchmarks show the Agrona collections to be faster on put, lookup, and remove. One major difference is that we're using 2 modulus operations each time we increment the position index while iterating.  Agrona uses a mask instead.

Modifications:

Modified the KObjectHashMap to use masking rather than modulus when wrapping the position index. This requires that the capacity be a power of 2.

Result:

Improved performance of IntObjectHashMap.
2015-04-16 10:27:17 -07:00
Scott Mitchell
9a7a85dbe5 ByteString introduced as AsciiString super class
Motivation:
The usage and code within AsciiString has exceeded the original design scope for this class. Its usage as a binary string is confusing and on the verge of violating interface assumptions in some spots.

Modifications:
- ByteString will be created as a base class to AsciiString. All of the generic byte handling processing will live in ByteString and all the special character encoding will live in AsciiString.

Results:
The AsciiString interface will be clarified. Users of AsciiString can now be clear of the limitations the class imposes while users of the ByteString class don't have to live with those limitations.
2015-04-14 16:35:17 -07:00
Norman Maurer
0d9ba81c06 Document the contract of Attribute.getAndSet(...) and set(...)
Motivation:

Attribute.getAndRemove() will return the value but also remove the AttributeKey itself from the AttributeMap. This may not
what you want as you may want to keep an instance of it and just set it later again. Document the contract so the user know what to expect.

Modifications:

- Make it clear when to use AttributeKey.getAndRemove() / AttributeKey.remove() and when AttributeKey.getAndSet(null) / AttributeKey.set(null).

Result:

Less suprising behaviour.
2015-04-14 09:53:53 +02:00
Norman Maurer
aebbb862ac Add support for ALPN when using openssl + NPN client mode and support for CipherSuiteFilter
Motivation:

To support HTTP2 we need APLN support. This was not provided before when using OpenSslEngine, so SSLEngine (JDK one) was the only bet.
Beside this CipherSuiteFilter was not supported

Modifications:

- Upgrade netty-tcnative and make use of new features to support ALPN and NPN in server and client mode.
- Guard against segfaults after the ssl pointer is freed
- support correctly different failure behaviours
- add support for CipherSuiteFilter

Result:

Be able to use OpenSslEngine for ALPN / NPN for server and client.
2015-04-10 18:52:34 +02:00
nmittler
3354296c9f Auto-generating primitive collections for int and char keys.
Motivation:

Currently we have IntObjectMap/HashMap, but it will be useful to support other primitive-based maps.

Modifications:

Moved the code int the current maps to template files and run Groovy code from  common/pom.xml to apply the templates.

Result:

Autogeneration of int and char-based hash maps.
2015-04-10 07:57:30 -07:00
Jakob Buchgraber
e40c27d9ed Avoid object allocations for HTTP2 child streams.
Motivation:

We are allocating a hash map for every HTTP2 Stream to store it's children.
Most streams are leafs in the priority tree and don't have children.

Modification:

 - Only allocate children when we actually use them.
 - Make EmptyIntObjectMap not throw a UnsupportedOperationException on remove, but return null instead (as is stated in it's javadoc).

Result:

Fewer unnecessary allocations.
2015-04-03 11:57:31 -07:00
Scott Mitchell
330bc39d91 Backporting PrimitiveCollections class
Motivation:
PrimitiveCollections is not in the 4.1 branch.  It is needed by HTTP/2.

Modifications:
Backport this class.

Result:
PrimitiveCollections is in 4.1.
2015-04-03 11:57:09 -07:00
nmittler
ef729e7021 Allow non-standard HTTP/2 settings
Motivation:

The Http2Settings class currently disallows setting non-standard settings, which violates the spec.

Modifications:

Updated Http2Settings to permit arbitrary settings. Also adjusting the default initial capacity to allow setting all of the standard settings without reallocation.

Result:

Fixes #3560
2015-04-02 11:10:47 -07:00
Norman Maurer
3df7b4dac7 Respect -Djava.net.preferIPv4Stack when using epoll transport
Motivation:

On a system where ipv4 and ipv6 are supported a user may want to use -Djava.net.preferIPv4Stack=true to restrict it to use ipv4 only.
This is currently ignored with the epoll transport.

Modifications:

Respect java.net.preferIPv4Stack system property.

Result:

-Djava.net.preferIPv4Stack=true will have the effect the user is looking for.
2015-03-11 02:50:11 +01:00
Norman Maurer
0767da12fb Fix possible AttributeMap corruption on double removal
Motivation:

When remove0() is called multiple times for an DefaultAttribute it can cause corruption of the internal linked-list structure.

Modifications:

- Ensure remove0() can not cause corruption by null out prev and next references.

Result:

No more corruption possible
2015-03-10 05:08:41 +01:00
Norman Maurer
fce0989844 [maven-release-plugin] prepare for next development iteration 2015-03-03 02:06:47 -05:00
Norman Maurer
ca3b1bc4b7 [maven-release-plugin] prepare release netty-4.1.0.Beta4 2015-03-03 02:05:52 -05:00
Norman Maurer
a709553819 Allow to use EmbeddedChannel.schedule*(...)
Motivation:

At the moment when EmbeddedChannel is used and a ChannelHandler tries to schedule and task it will throw an UnsupportedOperationException. This makes it impossible to test these handlers or even reuse them with EmbeddedChannel.

Modifications:

- Factor out reusable scheduling code into AbstractSchedulingEventExecutor
- Let EmbeddedEventLoop and SingleThreadEventExecutor extend AbstractSchedulingEventExecutor
- add EmbbededChannel.runScheduledPendingTasks() which allows to run all scheduled tasks that are ready

Result:

Embeddedchannel is now usable even with ChannelHandler that try to schedule tasks.
2015-02-20 11:57:32 +01:00
Daniel Bevenius
c53b8d5a85 Suggestion for supporting single header fields.
Motivation:
At the moment if you want to return a HTTP header containing multiple
values you have to set/add that header once with the values wanted. If
you used set/add with an array/iterable multiple HTTP header fields will
be returned in the response.

Note, that this is indeed a suggestion and additional work and tests
should be added. This is mainly to bring up a discussion.

Modifications:
Added a flag to specify that when multiple values exist for a single
HTTP header then add them as a comma separated string.
In addition added a method to StringUtil to help escape comma separated
value charsequences.

Result:
Allows for responses to be smaller.
2015-02-18 10:54:15 +01:00
Norman Maurer
99bd43ed51 Allow to get existing ChannelOption / AttributeKey from String
Motivation:

We should allow to get a ChannelOption/AttributeKey from a String. This will make it a lot easier to make use of configuration files in applications.

Modifications:

- Add exists(...), newInstance(...) method to ChannelOption and AttributeKey and alter valueOf(...) to return an existing instance for a String or create one.
- Add unit tests.

Result:

Much more flexible usage of ChannelOption and AttributeKey.
2015-02-18 09:29:37 +01:00
Trustin Lee
976db9269d Revamp io.netty.handler.codec.socksx
While implementing netty-handler-proxy, I realized various issues in our
current socksx package. Here's the list of the modifications and their
background:

- Split message types into interfaces and default implementations
  - so that a user can implement an alternative message implementations
- Use classes instead of enums when a user might want to define a new
  constant
  - so that a user can extend SOCKS5 protocol, such as:
    - defining a new error code
    - defining a new address type
- Rename the message classes
  - to avoid abbreviated class names. e.g:
    - Cmd -> Command
    - Init -> Initial
  - so that the class names align better with the protocol
    specifications. e.g:
    - AuthRequest -> PasswordAuthRequest
    - AuthScheme -> AuthMethod
- Rename the property names of the messages
  - so that the property names align better when the field names in the
    protocol specifications
- Improve the decoder implementations
  - Give a user more control over when a decoder has to be removed
  - Use DecoderResult and DecoderResultProvider to handle decode failure
    gracefully. i.e. no more Unknown* message classes
- Add SocksPortUnifinicationServerHandler since it's useful to the users
  who write a SOCKS server
  - Cleaned up and moved from the socksproxy example
2015-02-10 09:14:13 +09:00
Trustin Lee
a1efd1871b Reorder PlatformDependent.isRoot() check
Motivation:

isRoot() is an expensive operation. We should avoid calling it if
possible.

Modifications:

Move the isRoot() checks to the end of the 'if' block, so that isRoot()
is evaluated only when really necessary.

Result:

isRoot() is evaluated only when SO_BROADCAST is set and the bind address
is anylocal address.
2015-02-08 12:00:16 +09:00
Marco Craveiro
6d07264412 Minor idiomatic changes to java docs 2015-02-04 08:28:29 +01:00
Trustin Lee
279187ba5e Make NetUtil.isValidIp4Word() private
We have deprecated NetUtil.isValidIp4Word() in 4.0. See:

- b0747e7432
2015-01-20 16:46:51 +09:00
Trustin Lee
98731a51c8 Add the URL of the wiki for easier troubleshooting
Motivation:

When a user sees an error message, sometimes he or she does not know
what exactly he or she has to do to fix the problem.

Modifications:

Log the URL of the wiki pages that might help the user troubleshoot.

Result:

We are more friendly.
2015-01-08 12:45:34 +09:00
Daniel Bevenius
2a426b3d44 Fixing minor typo in FastThreadLocal javadoc. 2014-12-08 13:52:54 +01:00
Trustin Lee
7f92771496 Fix a bug where Recycler's capacity can increase beyond its maximum
Related: #3166

Motivation:

When the recyclable object created at one thread is returned at the
other thread, it is stored in a WeakOrderedQueue.

The objects stored in the WeakOrderedQueue is added back to the stack by
WeakOrderedQueue.transfer() when the owner thread ran out of recyclable
objects.

However, WeakOrderedQueue.transfer() does not have any mechanism that
prevents the stack from growing beyond its maximum capacity.

Modifications:

- Make WeakOrderedQueue.transfer() increase the capacity of the stack
  only up to its maximum
- Add tests for the cases where the recyclable object is returned at the
  non-owner thread
- Fix a bug where Stack.scavengeSome() does not scavenge the objects
  when it's the first time it ran out of objects and thus its cursor is
  null.
- Overall clean-up of scavengeSome() and transfer()

Result:

The capacity of Stack never increases beyond its maximum.
2014-12-06 17:58:31 +09:00
Greg Gibeling
a79466769f Lazily check for root, avoids unnecessary errors & resources
Motivation:

io.netty.util.internal.PlatformDependent.isRoot() depends on the IS_ROOT field which is filled in during class initialization. This spawns processes and consumes resources, which are not generally necessary to the complete functioning of that class.

Modifications:

This switches the class to use lazy initialization this field inside of the isRoot() method using double-checked locking (http://en.wikipedia.org/wiki/Double-checked_locking).

Result:

The first call to isRoot() will be slightly slower, at a tradeoff that class loading is faster, uses fewer resources and platform errors are avoided unless necessary.
2014-12-05 09:17:06 +01:00
Trustin Lee
bd8a5bc9b3 Add missing @Override annotation 2014-12-04 20:53:14 +09:00
Trustin Lee
70a91c72c4 Fix checkstyle 2014-12-04 18:40:50 +09:00
Trustin Lee
bf58f871c3 Overall clean-up of the initial SniHandler/DomainNameMapping work
- Parameterize DomainNameMapping to make it useful for other use cases
  than just mapping to SslContext
- Move DomainNameMapping to io.netty.util
- Clean-up the API documentation
- Make SniHandler.hostname and sslContext volatile because they can be
  accessed by non-I/O threads
2014-12-04 18:23:07 +09:00
Sun Ning
8f77c80795 Added support for SSL Server Name Indication.
Motivation:

When we need to host multiple server name with a single IP, it requires
the server to support Server Name Indication extension to serve clients
with proper certificate. So the SniHandler will host multiple
SslContext(s) and append SslHandler for requested hostname.

Modification:

* Added SniHandler to host multiple certifications in a single server
* Test case

Result:

User could use SniHandler to host multiple certifcates at a time.
It's server-side only.
2014-12-03 11:03:15 +01:00
Sam Young
a37c4ad7f4 Add @SafeVarargs to PromiseAggregator#add and PromiseNotifier#(...) https://github.com/netty/netty/issues/3147
Motivation:

8fbc513 introduced stray warnings in callsites of
PromiseAggregator#add and PromiseNotifier#(...).

Modifications:

This commit adds the @SafeVarargs annotation to PromiseAggregator#add
and PromiseNotifier#(...). As Netty is built with JDK7, this is a
recognized annotation and should not affect runtime VM versions 1.5 and
1.6.

Result:

Building Netty with JDK7 will no longer produce warnings in the
callsites mentioned above.
2014-12-01 19:59:41 +01:00
Trustin Lee
247d5b1bd9 Fix awful naming 2014-11-22 07:46:59 +09:00
Trustin Lee
040c340f76 Add back IntObjectMap.values(Class<V>)
Motivation:

Although the new IntObjectMap.values() that returns Collection is
useful, the removed values(Class<V>) that returns an array is also
useful. It's also good for backward compatibility.

Modifications:

- Add IntObjectMap.values(Class<V>) back
- Miscellaneous improvements
  - Cache the collection returned by IntObjectHashMap.values()
  - Inspector warnings
- Update the IntObjectHashMapTest to test both values()

Result:

- Backward compatibility
- Potential performance improvement of values()
2014-11-22 07:42:14 +09:00
Trustin Lee
9da4250917 Backport the IntObjectHashMap changes in f23f3b9617
Motivation:

The mentioned commit contains a bug fix and an improvement in
IntObjectHashMap that requires backporting.

Modifications:

Update IntObjectMap, IntObjectHashMap, and IntObjectHashMapTest

Result:

Easier to backport HTTP/2 and other changes in master in the future
2014-11-21 11:07:24 +09:00
Idel Pivnitskiy
35db3c6710 Small performance improvements
Motivation:

Found performance issues via FindBugs and PMD.

Modifications:

- Removed unnecessary boxing/unboxing operations in DefaultTextHeaders.convertToInt(CharSequence) and DefaultTextHeaders.convertToLong(CharSequence). A boxed primitive is created from a string, just to extract the unboxed primitive value.
- Added a static modifier for DefaultHttp2Connection.ParentChangedEvent class. This class is an inner class, but does not use its embedded reference to the object which created it. This reference makes the instances of the class larger, and may keep the reference to the creator object alive longer than necessary.
- Added a static compiled Pattern to avoid compile it each time it is used when we need to replace some part of authority.
- Improved using of StringBuilders.

Result:

Performance improvements.
2014-11-20 00:10:06 -05:00
Trustin Lee
07fbff3513 Fix checkstyle 2014-11-12 12:28:18 +09:00
Trustin Lee
4279efde59 Handle the interface name in IPv6 address correctly
Motivation:

NetUtil.isValidIpV6Address() handles the interface name in IPv6 address
incorrectly. For example, it returns false for the following addresses:

- ::1%lo
- ::1%_%_in_name_

Modifications:

- Strip the square brackets before validation for simplicity
- Strip the part after the percent sign completely before validation for
  simplicity
- Simplify and reformat NetUtilTest

Result:

- The interface names in IPv6 addresses are handled correctly.
- NetUtilTest is cleaner
2014-11-12 12:13:22 +09:00
Sam Young
9ba3126bd4 Add generic versions of PromiseAggregator and PromiseNotifier.
Motivation:

ChannelPromiseAggregator and ChannelPromiseNotifiers only allow
consumers to work with Channels as the result type. Generic versions
of these classes allow consumers to aggregate or broadcast the results
of an asynchronous execution with other result types.

Modifications:

Add PromiseAggregator and PromiseNotifier. Add unit tests for both.
Remove code in ChannelPromiseAggregator and ChannelPromiseNotifier and
modify them to extend the new base classes.

Result:

Consumers can now aggregate or broadcast the results of an asynchronous
execution with results types other than Channel.
2014-11-07 09:06:58 +01:00
Trustin Lee
53fbfbb590 Remove CollectionUtils
Motivation:

CollectionUtils has only one method and it is used only in DefaultHeaders.

Modification:

Move CollectionUtils.equals() to DefaultHeaders and make it private

Result:

One less class to expose in our public API
2014-11-01 02:59:47 +09:00
Scott Mitchell
50e06442c3 Backport header improvements from 5.0
Motivation:
The header class hierarchy and algorithm was improved on the master branch for versions 5.x. These improvments should be backported to the 4.1 baseline.

Modifications:
- cherry-pick the following commits from the master branch: 2374e17, 36b4157, 222d258

Result:
Header improvements in master branch are available in 4.1 branch.
2014-11-01 00:59:57 +09:00
Scott Mitchell
04f77b76f8 Backport ALPN and Mutual Auth SSL
Motivation:

Improvements were made on the main line to support ALPN and mutual
authentication for TLS. These should be backported.

Modifications:

- Backport commits from the master branch
  - f8af84d599
  - e74c8edba3

Result:

Support for ALPN and mutual authentication.
2014-10-31 12:52:26 +09:00
Scott Mitchell
7e65c09373 IPv6 address to string rfc5952
Motivation:
The java implementations for Inet6Address.getHostName() do not follow the RFC 5952 (http://tools.ietf.org/html/rfc5952#section-4) for recommended string representation. This introduces inconsistencies when integrating with other technologies that do follow the RFC.

Modifications:
-NetUtil.java to have another public static method to convert InetAddress to string. Inet4Address will use the java InetAddress.getHostAddress() implementation and there will be new code to implement the RFC 5952 IPV6 string conversion.
-New unit tests to test the new method

Result:
Netty provides a RFC 5952 compliant string conversion method for IPV6 addresses
2014-10-30 00:05:57 -04:00
Frederic Bregier
eb415fded6 V4.1 Fix "=" character in HttpPostRequestDecoder
Motivation
Issue #3004 shows that "=" character was not supported as it should in
the HttpPostRequestDecoder in form-data boundary.

Modifications:
Add 2 methods in StringUtil
- split with maxPart argument: String split with max parts only (to prevent multiple '='
to be source of extra split while not needed)
- substringAfter: String part after delimiter (since first part is not
needed)
Use those methods in HttpPostRequestDecoder.
Change and the HttpPostRequestDecoderTest to check using a boundary
beginning with "=".

Results:
The fix implies more stability and fix the issue.
2014-10-21 16:06:37 +09:00
nmittler
f3ef94d35e Slight performance improvement to IntObjectHashMap.hashIndex()
Motivation:

Using a needless local copy of keys.length.

Modifications:

Using keys.length explicitly everywhere.

Result:

Slight performance improvement of hashIndex.
2014-10-20 12:40:01 -07:00
nmittler
30060b6083 Optimize IntObjectHashMap handling of negative keys.
Motivation:

The hashIndex method currently uses a conditional to handle negative
keys. This could be done without a conditional to slightly improve
performance.

Modifications:

Modified hashIndex() to avoid using a conditional.

Result:

Slight performance improvement to hashIndex().
2014-10-20 11:00:41 -07:00
nmittler
dd5b2c30c5 Allowing negative keys in IntObjectHashMap.
Motivation:

IntObjectHashMap throws an exception when using negative values for
keys.

Modifications:

Changed hashIndex() to normalize the index if the mod operation returns
a negative number.

Result:

IntObjectHashMap supports negative key values.
2014-10-20 18:06:48 +02:00
Trustin Lee
9839990fff Fix a bug in NetUtil.createByteArrayFromIpAddressString()
Motivation:

An IPv6 string can have a zone index which is followed by the '%' sign.
When a user passes an IPv6 string with a zone index,
NetUtil.createByteArrayFromIpAddressString() returns an incorrect value.

Modification:

- Strip the zone index before conversion

Result:

An IPv6 string with a zone index is decoded correctly.
2014-10-14 12:29:08 +09:00
Amir Szekely
98a533ae44 Don't ignore maxCapacity if it's not a power of 2
Motivation:

This fixes bug #2848 which caused Recycler to become unbounded and cache infinite number of objects with maxCapacity that's not a power of two. This can result in general sluggishness of the application and OutOfMemoryError.

Modifications:

The test for maxCapacity has been moved out of test to check if the buffer has filled. The buffer is now also capped at maxCapacity and cannot grow over it as it jumps from one power of two to the other.

Additionally, a unit test was added to verify maxCapacity is honored even when it's not a power of two.

Result:

With these changes the user is able to use a custom maxCapacity number and not have it ignored. The unit test assures this bug will not repeat itself.
2014-08-31 09:06:45 +02:00
Norman Maurer
09100e5043 Avoid redundant reads of head in peakNode
Motivation:

There is not need todo redunant reads of head in peakNode as we can just spin on next() until it becomes visible.

Modifications:

Remove redundant reads of head in peakNode. This is based on @nitsanw's patch for akka.
See https://github.com/akka/akka/pull/15596

Result:

Less volatile access.
2014-08-21 09:01:22 +02:00
Norman Maurer
2c9d1dafac Code-inspection fixes
Motivation:

Saw some code-inspection warnings

Modifications:

Fix warnings

Result:

Less code-inspection warnings
2014-08-21 07:32:05 +02:00
Norman Maurer
a9da2f9d8b Document the correct default value of SOMAXCONN
Motivation:

Recently we changed the default value of SOMAXCONN that is used when we can not determine it by reading /proc/sys/net/core/somaxconn. While doing this we missed to update the javadocs to reflect the new default value that is used.

Modifications:

List correct default value in the javadocs of SOMAXCONN.

Result:

Correct javadocs.
2014-08-18 06:02:36 +02:00
Trustin Lee
b5f61d0de5 [maven-release-plugin] prepare for next development iteration 2014-08-16 03:27:42 +09:00
Trustin Lee
76ac3b21a5 [maven-release-plugin] prepare release netty-4.1.0.Beta3 2014-08-16 03:27:37 +09:00
Trustin Lee
b3c1904cc9 [maven-release-plugin] prepare for next development iteration 2014-08-15 09:31:03 +09:00
Trustin Lee
e013b2400f [maven-release-plugin] prepare release netty-4.1.0.Beta2 2014-08-15 09:30:59 +09:00
Trustin Lee
dcd3cadeaa Reduce the fallback SOMAXCONN value
Related issue: #2407

Motivation:

The current fallback SOMAXCONN value is 3072.  It is way too large
comparing to the default SOMAXCONN value of popular OSes.

Modifications:

Decrease the fallback SOMAXCONN value to 128 or 200 depending on the
current OS

Result:

Saner fallback value
2014-08-14 15:42:10 -07:00
Norman Maurer
d5fd57262b [#2744] Fix flakey HashedWheelTimerTest.testExecutionOnTime()
Motivation:

The calculation of the max wait time for HashedWheelTimerTest.testExecutionOnTime() was wrong and so the test sometimes failed.

Modifications:

Fix the max wait time.

Result:

No more test-failures
2014-08-06 07:03:31 +02:00
Trustin Lee
8fce6316ad Fix a bug where ChannelFuture.setFailure(null) doesn't fail
Motivation:

We forgot to do a null check on the cause parameter of
ChannelFuture.setFailure(cause)

Modifications:

Add a null check

Result:

Fixed issue: #2728
2014-08-05 11:23:45 -07:00
Norman Maurer
869687bd71 Port ChannelOutboundBuffer and related changes from 4.0
Motivation:

We did various changes related to the ChannelOutboundBuffer in 4.0 branch. This commit port all of them over and so make sure our branches are synced in terms of these changes.

Related to [#2734], [#2709], [#2729], [#2710] and [#2693] .

Modification:
Port all changes that was done on the ChannelOutboundBuffer.

This includes the port of the following commits:
 - 73dfd7c01b
 - 997d8c32d2
 - e282e504f1
 - 5e5d1a58fd
 - 8ee3575e72
 - d6f0d12a86
 - 16e50765d1
 - 3f3e66c31a

Result:
 - Less memory usage by ChannelOutboundBuffer
 - Same code as in 4.0 branch
 - Make it possible to use ChannelOutboundBuffer with Channel implementation that not extends AbstractChannel
2014-08-05 15:00:45 +02:00
Trustin Lee
a5ccec5ef3 More brief somaxconn logging
- Consistent log message format
- Avoid unnecessary autoboxing when debug level is off
- Remove the duplication of somaxconn path
2014-08-04 10:27:13 -07:00
Norman Maurer
ff9cc74bf6 Remove duplicated code 2014-07-31 18:11:12 -07:00
Norman Maurer
1f95e5db4c [#2720] Check if /proc/sys/net/core/somaxconn exists before try to parse it
Motivation:

As /proc/sys/net/core/somaxconn does not exists on non-linux platforms you see a noisy stacktrace when debug level is enabled while the static method of NetUtil is executed.

Modifications:

Check if the file exists before try to parse it.

Result:

Less noisy logging on non-linux platforms.
2014-07-31 18:08:54 -07:00
Trustin Lee
3c4321ce43 Use our own URL shortener wherever possible 2014-07-31 17:06:19 -07:00
Trustin Lee
a35233a4d4 Fix a ConstantPoolTest failure 2014-07-29 15:46:15 -07:00
Trustin Lee
77609cf6ed Fix a bug where AbstractConstant.compareTo() returns 0 for different constants
Related issue: #2354

Motivation:

AbstractConstant.compareTo() can return 0 even if the specified constant
object is not the same instance with 'this'.

Modifications:

- Compare the identityHashCode of constant first. If that fails,
  allocate a small direct buffer and use its memory address as a unique
  value.  If the platform does not provide a way to get the memory
  address of a direct buffer, use a thread-local random value.
- Signal cannot extend AbstractConstant. Use delegation.

Result:

It is practically impossible for AbstractConstant.compareTo() to return
0 for different constant objects.
2014-07-29 15:01:47 -07:00
Norman Maurer
88bd6e7a93 Optimize native transport for gathering writes
Motivation:

While benchmarking the native transport with gathering writes I noticed that it is quite slow. This is due the fact that we need to do a lot of array copies to get the buffers into the iov array.

Modification:

Introduce a new class calles IovArray which allows to fill buffers directly in a iov array that can be passed over to JNI without any array copies. This gives a nice optimization in terms of speed when doing gathering writes.

Result:

Big performance improvement when doing gathering writes. See the included benchmark...

Before:
[nmaurer@xxx]~% wrk/wrk -H 'Host: localhost' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Connection: keep-alive' -d 120 -c 256 -t 16 --pipeline 256  http://xxx:8080/plaintext
Running 2m test @ http://xxx:8080/plaintext
  16 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    23.44ms   16.37ms 259.57ms   91.77%
    Req/Sec   181.99k    31.69k  304.60k    78.12%
  346544071 requests in 2.00m, 46.48GB read
Requests/sec: 2887885.09
Transfer/sec:    396.59MB

With this change:
[nmaurer@xxx]~% wrk/wrk -H 'Host: localhost' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Connection: keep-alive' -d 120 -c 256 -t 16 --pipeline 256  http://xxx:8080/plaintext
Running 2m test @ http://xxx:8080/plaintext
  16 threads and 256 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    21.93ms   16.33ms 305.73ms   92.34%
    Req/Sec   194.56k    33.75k  309.33k    77.04%
  369617503 requests in 2.00m, 49.57GB read
Requests/sec: 3080169.65
Transfer/sec:    423.00MB
2014-07-25 09:55:02 +02:00
Norman Maurer
5b2bdd844d [#2662] Fix race in cancellation of TimerTasks which could let to NPE
Motivation:

Due some race-condition while handling canellation of TimerTasks it was possibleto corrupt the linked-list structure that is represent by HashedWheelBucket and so produce a NPE.

Modification:

Fix the problem by adding another MpscLinkedQueue which holds the cancellation tasks and process them on each tick. This allows to use no synchronization / locking at all while introduce a latency of max 1 tick before the TimerTask can be GC'ed.

Result:

No more NPE
2014-07-25 06:34:35 +02:00
Osvaldo Doederlein
07024a4e4b Fixes and improvements to IntObjectHashMap. Related to [#2659]
- Rewrite with linear probing, no state array, compaction at cleanup
- Optimize keys() and values() to not use reflection
- Optimize hashCode() and equals() for efficient iteration
- Fixed equals() to not return true for equals(null)
- Optimize iterator to not allocate new Entry at each next()
- Added toString()
- Added some new unit tests
2014-07-21 16:43:15 +02:00
Idel Pivnitskiy
b83df4c6b3 Fix NPE problems
Motivation:

Now Netty has a few problems with null values.

Modifications:

- Check HAProxyProxiedProtocol in HAProxyMessage constructor and throw NPE if it is null.
If HAProxyProxiedProtocol is null we will set AddressFamily as null. So we will get NPE inside checkAddress(String, AddressFamily) and it won't be easy to understand why addrFamily is null.
- Check File in DiskFileUpload.toString().
If File is null we will get NPE when calling toString() method.
- Check Result<String> in MqttDecoder.decodeConnectionPayload(...).
If !mqttConnectVariableHeader.isWillFlag() || !mqttConnectVariableHeader.hasUserName() || !mqttConnectVariableHeader.hasPassword() we will get NPE when we will try to create new instance of MqttConnectPayload.
- Check Unsafe before calling unsafe.getClass() in PlatformDependent0 static block.
- Removed unnecessary null check in WebSocket08FrameEncoder.encode(...).
Because msg.content() can not return null.
- Removed unnecessary null check in DefaultStompFrame(StompCommand) constructor.
Because we have this check in the super class.
- Removed unnecessary null checks in ConcurrentHashMapV8.removeTreeNode(TreeNode<K,V>).
- Removed unnecessary null check in OioDatagramChannel.doReadMessages(List<Object>).
Because tmpPacket.getSocketAddress() always returns new SocketAddress instance.
- Removed unnecessary null check in OioServerSocketChannel.doReadMessages(List<Object>).
Because socket.accept() always returns new Socket instance.
- Pass Unpooled.buffer(0) instead of null inside CloseWebSocketFrame(boolean, int) constructor.
If we will pass null we will get NPE in super class constructor.
- Added throw new IllegalStateException in GlobalEventExecutor.awaitInactivity(long, TimeUnit) if it will be called before GlobalEventExecutor.execute(Runnable).
Because now we will get NPE. IllegalStateException will be better in this case.
- Fixed null check in OpenSslServerContext.setTicketKeys(byte[]).
Now we throw new NPE if byte[] is not null.

Result:

Added new null checks when it is necessary, removed unnecessary null checks and fixed some NPE problems.
2014-07-20 12:55:22 +02:00
Idel Pivnitskiy
dd429b2495 Small fixes and improvements
Motivation:

Fix some typos in Netty.

Modifications:

- Fix potentially dangerous use of non-short-circuit logic in Recycler.transfer(Stack<?>).
- Removed double 'the the' in javadoc of EmbeddedChannel.
- Write to log an exception message if we can not get SOMAXCONN in the NetUtil's static block.
2014-07-20 09:37:22 +02:00
Idel Pivnitskiy
ad1389be9d Small performance improvements
Modifications:

- Added a static modifier for CompositeByteBuf.Component.
This class is an inner class, but does not use its embedded reference to the object which created it. This reference makes the instances of the class larger, and may keep the reference to the creator object alive longer than necessary.
- Removed unnecessary boxing/unboxing operations in HttpResponseDecoder, RtspResponseDecoder, PerMessageDeflateClientExtensionHandshaker and PerMessageDeflateServerExtensionHandshaker
A boxed primitive is created from a String, just to extract the unboxed primitive value.
- Removed unnecessary 3 times calculations in DiskAttribute.addContent(...).
- Removed unnecessary checks if file exists before call mkdirs() in NativeLibraryLoader and PlatformDependent.
Because the method mkdirs() has this check inside.
- Removed unnecessary `instanceof AsciiString` check in StompSubframeAggregator.contentLength(StompHeadersSubframe) and StompSubframeDecoder.getContentLength(StompHeaders, long).
Because StompHeaders.get(CharSequence) always returns java.lang.String.
2014-07-20 09:26:04 +02:00
Norman Maurer
c75783abb5 Fix over-sensible testcase 2014-07-13 17:19:34 +02:00
Norman Maurer
8b0bc7f33d [#2651] Fix possible infinite-loop when cancel tasks
Motivations:
In our new version of HWT we used some kind of lazy cancelation of timeouts by put them back in the queue and let them pick up on the next tick. This  multiple problems:
 - we may corrupt the MpscLinkedQueue if the task is used as tombstone
 - this sometimes lead to an uncessary delay especially when someone did executed some "heavy" logic in the TimeTask

Modifications:
Use a Lock per HashedWheelBucket for save and fast removal.

Modifications:
Cancellation of tasks can be done fast and so stuff can be GC'ed and no more infinite-loop possible
2014-07-11 15:41:33 +02:00
Trustin Lee
e167b02d52 [maven-release-plugin] prepare for next development iteration 2014-07-04 17:26:02 +09:00
Trustin Lee
ba50cb829b [maven-release-plugin] prepare release netty-4.1.0.Beta1 2014-07-04 17:25:54 +09:00
Trustin Lee
787663a644 [maven-release-plugin] rollback the release of netty-4.1.0.Beta1 2014-07-04 17:11:14 +09:00
Trustin Lee
83eae705e1 [maven-release-plugin] prepare release netty-4.1.0.Beta1 2014-07-04 17:02:17 +09:00
Trustin Lee
5b87cdc8bd Reduce the perceived time taken to retrieve initialSeedUniquifier
Motivation:

When system is in short of entrophy, the initialization of
ThreadLocalRandom can take at most 3 seconds.  The initialization occurs
when ThreadLocalRandom.current() is invoked first time, which might be
much later than the moment when the application has started.  If we
start the initialization of ThreadLocalRandom as early as possible, we
can reduce the perceived time taken for the retrieval.

Modification:

Begin the initialization of ThreadLocalRandom in InternalLoggerFactory,
potentially one of the firstly initialized class in a Netty application.

Make DefaultChannelId retrieve the current process ID before retrieving
the current machine ID, because retrieval of a machine ID is more likely
to use ThreadLocalRandom.current().

Use a dummy channel ID for EmbeddedChannel, which prevents many unit
tests from creating a ThreadLocalRandom instance.

Result:

We gain extra 100ms at minimum for initialSeedUniquifier generation.  If
an application has its own initialization that takes long enough time
and generates good amount of entrophy, it is very likely that we will
gain a lot more.
2014-07-04 16:04:48 +09:00
Trustin Lee
11fdec3c4a Log the time taken for generating the initialSeedUniquifier
- Sometimes useful to know it how long it takes from the log, to make
  sure it's not something else that is blocking.
2014-07-04 13:26:58 +09:00
Trustin Lee
3c6bc0b4cb Fix unclean backport in InternalLoggerFactory
.. which leaked in from d0912f2709
2014-07-02 20:27:06 +09:00
Trustin Lee
d0912f2709 Fix most inspector warnings
Motivation:

It's good to minimize potentially broken windows.

Modifications:

Fix most inspector warnings from our profile
Update IntObjectHashMap

Result:

Cleaner code
2014-07-02 19:55:07 +09:00
Norman Maurer
36b80c25f7 Correctly return from selector loop one a scheduled task is ready for processing
Motivation:

We use the nanoTime of the scheduledTasks to calculate the milli-seconds to wait for a select operation to select something. Once these elapsed we check if there was something selected or some task is ready for processing. Unfortunally we not take into account scheduled tasks here so the selection loop will continue if only scheduled tasks are ready for processing. This will delay the execution of these tasks.

Modification:

- Check if a scheduled task is ready after selecting
- also make a tiny change in NioEventLoop to not trigger a rebuild if nothing was selected because the timeout was reached a few times in a row.

Result:

Execute scheduled tasks on time.
2014-07-02 09:10:37 +02:00
Norman Maurer
90c65b7157 [#2604] Not try to use sun.misc.Cleaner when on android
Motivation:

When a user tries to use netty on android it currently fails with "Could not find class 'sun.misc.Cleaner'"

Modification:

Encapsulate sun.misc.Cleaner usage in extra class to workaround this isssue.

Result:
Netty can be used on android again
2014-06-27 08:25:42 +02:00
Norman Maurer
8a75ba35ef [#2599] Not use sun.nio.ch.DirectBuffer as it not exists on android
Motivation:

During some refactoring we changed PlatformDependend0 to use sun.nio.ch.DirectBuffer for release direct buffers. This broke support for android as the class does not exist there and so an exception is thrown.

Modification:

Use again the fieldoffset to get access to Cleaner for release direct buffers.

Result:
Netty can be used on android again
2014-06-25 15:07:02 +02:00
Norman Maurer
030bcaae81 Improve performance of Recycler
Motivation:

Recycler is used in many places to reduce GC-pressure but is still not as fast as possible because of the internal datastructures used.

Modification:

 - Rewrite Recycler to use a WeakOrderQueue which makes minimal guaranteer about order and visibility for max performance.
 - Recycling of the same object multiple times without acquire it will fail.
 - Introduce a RecyclableMpscLinkedQueueNode which can be used for MpscLinkedQueueNodes that use Recycler

These changes are based on @belliottsmith 's work that was part of #2504.

Result:

Huge increase in performance.

4.0 branch without this commit:

Benchmark                                                (size)   Mode   Samples        Score  Score error    Units
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    00000  thrpt        20 116026994.130  2763381.305    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    00256  thrpt        20 110823170.627  3007221.464    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    01024  thrpt        20 118290272.413  7143962.304    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    04096  thrpt        20 120560396.523  6483323.228    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    16384  thrpt        20 114726607.428  2960013.108    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    65536  thrpt        20 119385917.899  3172913.684    ops/s
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 297.617 sec - in io.netty.microbench.internal.RecyclableArrayListBenchmark

4.0 branch with this commit:

Benchmark                                                (size)   Mode   Samples        Score  Score error    Units
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    00000  thrpt        20 204158855.315  5031432.145    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    00256  thrpt        20 205179685.861  1934137.841    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    01024  thrpt        20 209906801.437  8007811.254    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    04096  thrpt        20 214288320.053  6413126.689    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    16384  thrpt        20 215940902.649  7837706.133    ops/s
i.n.m.i.RecyclableArrayListBenchmark.recycleSameThread    65536  thrpt        20 211141994.206  5017868.542    ops/s
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 297.648 sec - in io.netty.microbench.internal.RecyclableArrayListBenchmark
2014-06-24 10:47:38 +02:00
Trustin Lee
cdaeb54fb9 Remove padding utility classes
- It's not used anywhere
2014-06-21 17:59:49 +09:00
Trustin Lee
f44720850c Add missing last padding / Comment 2014-06-21 17:57:06 +09:00
Trustin Lee
a368f9d12a Checkstyle / Overall clean-up / Fix serialization 2014-06-21 17:57:06 +09:00
nitsanw
32aab3b0b3 Fix false sharing between head and tail reference in MpscLinkedQueue
Motivation:

The tail node reference writes (by producer threads) are very likely to
invalidate the cache line holding the headRef which is read by the
consumer threads in order to access the padded reference to the head
node. This is because the resulting layout for the object is:

- header
- Object AtomicReference.value -> Tail node
- Object MpscLinkedQueue.headRef -> PaddedRef -> Head node

This is 'passive' false sharing where one thread reads and the other
writes.  The current implementation suffers from further passive false
sharing potential from any and all neighbours to the queue object as no
pre/post padding is provided for the class fields.

Modifications:

Fix the memory layout by adding pre-post padding for the head node and
putting the tail node reference in the same object.

Result:

Fixed false sharing
2014-06-21 17:57:06 +09:00
nmittler
02a6dc8ba7 Adding int-to-object map implementation.
Motivation:

Maps with integer keys are used in several places (HTTP/2 code, for
example). To reduce the memory footprint of these structures, we need a
specialized map class that uses ints as keys.

Modifications:

Added IntObjectHashMap, which is uses open addressing and double hashing
for collision resolution.

Result:

A new int-based map class that can be shared across Netty.
2014-06-21 08:37:59 +02:00
Trustin Lee
085a61a310 Refactor FastThreadLocal to simplify TLV management
Motivation:

When Netty runs in a managed environment such as web application server,
Netty needs to provide an explicit way to remove the thread-local
variables it created to prevent class loader leaks.

FastThreadLocal uses different execution paths for storing a
thread-local variable depending on the type of the current thread.
It increases the complexity of thread-local removal.

Modifications:

- Moved FastThreadLocal and FastThreadLocalThread out of the internal
  package so that a user can use it.
- FastThreadLocal now keeps track of all thread local variables it has
  initialized, and calling FastThreadLocal.removeAll() will remove all
  thread-local variables of the caller thread.
- Added FastThreadLocal.size() for diagnostics and tests
- Introduce InternalThreadLocalMap which is a mixture of hard-wired
  thread local variable fields and extensible indexed variables
- FastThreadLocal now uses InternalThreadLocalMap to implement a
  thread-local variable.
- Added ThreadDeathWatcher.unwatch() so that PooledByteBufAllocator
  tells it to stop watching when its thread-local cache has been freed
  by FastThreadLocal.removeAll().
- Added FastThreadLocalTest to ensure that removeAll() works
- Added microbenchmark for FastThreadLocal and JDK ThreadLocal
- Upgraded to JMH 0.9

Result:

- A user can remove all thread-local variables Netty created, as long as
  he or she did not exit from the current thread. (Note that there's no
  way to remove a thread-local variable from outside of the thread.)
- FastThreadLocal exposes more useful operations such as isSet() because
  we always implement a thread local variable via InternalThreadLocalMap
  instead of falling back to JDK ThreadLocal.
- FastThreadLocalBenchmark shows that this change improves the
  performance of FastThreadLocal even more.
2014-06-19 21:13:55 +09:00
Trustin Lee
4d60ea2aeb Fix incorrect method signature of awaitInactivity()
- Related: #2084
2014-06-17 16:00:54 +09:00
Trustin Lee
776ac4ba19 Use FastThreadLocal in more places 2014-06-14 17:46:10 +09:00
Trustin Lee
681d460938 Introduce TextHeaders and AsciiString
Motivation:

We have quite a bit of code duplication between HTTP/1, HTTP/2, SPDY,
and STOMP codec, because they all have a notion of 'headers', which is a
multimap of string names and values.

Modifications:

- Add TextHeaders and its default implementation
- Add AsciiString to replace HttpHeaderEntity
  - Borrowed some portion from Apache Harmony's java.lang.String.
- Reimplement HttpHeaders, SpdyHeaders, and StompHeaders using
  TextHeaders
- Add AsciiHeadersEncoder to reuse the encoding a TextHeaders
  - Used a dedicated encoder for HTTP headers for better performance
    though
- Remove shortcut methods in SpdyHeaders
- Replace SpdyHeaders.getStatus() with HttpResponseStatus.parseLine()

Result:

- Removed quite a bit of code duplication in the header implementations.
- Slightly better performance thanks to improved header validation and
  hash code calculation
2014-06-14 15:36:19 +09:00
belliottsmith
2a2a21ec59 Introduce FastThreadLocal which uses an EnumMap and a predefined fixed set of possible thread locals
Motivation:
Provide a faster ThreadLocal implementation

Modification:
Add a "FastThreadLocal" which uses an EnumMap and a predefined fixed set of possible thread locals (all of the static instances created by netty) that is around 10-20% faster than standard ThreadLocal in my benchmarks (and can be seen having an effect in the direct PooledByteBufAllocator benchmark that uses the DEFAULT ByteBufAllocator which uses this FastThreadLocal, as opposed to normal instantiations that do not, and in the new RecyclableArrayList benchmark);

Result:
Improved performance
2014-06-13 10:56:18 +02:00
Norman Maurer
3d81afb8a5 Make sure cancelled Timeouts are able to be GC'ed fast.
Motivation:
At the moment the HashedWheelTimer will only remove the cancelled Timeouts once the HashedWheelBucket is processed again. Until this the instance will not be able to be GC'ed as there are still strong referenced to it even if the user not reference it by himself/herself. This can cause to waste a lot of memory even if the Timeout was cancelled before.

Modification:
Add a new queue which holds CancelTasks that will be processed on each tick to remove cancelled Timeouts. Because all of this is done only by the WorkerThread there is no need for synchronization and only one extra object creation is needed when cancel() is executed. For addTimeout(...) no new overhead is introduced.

Result:
Less memory usage for cancelled Timeouts.
2014-06-10 12:47:37 +02:00
Norman Maurer
e3c76ec106 DNS codec for Netty which is based on the work of [#1622].
Motivation:
As part of GSOC 2013 we had @mbakkar working on a DNS codec but did not integrate it yet as it needs some cleanup. This commit is based on @mbakkar's work and provide the codec for DNS.

Modifications:
Add DNS codec

Result:
Reusable DNS codec will be included in netty.

This PR also includes a AsynchronousDnsResolver which allows to resolve DNS entries in a non blocking way by make use
of the dns codec and netty transport itself.
2014-06-10 09:57:06 +02:00
Trustin Lee
d1b90774bc Clean up MpscLinkedQueue, fix its leak, and make it work without Unsafe
Motivation:

MpscLinkedQueue has various issues:
- It does not work without sun.misc.Unsafe.
- Some field names are confusing.
  - Node.tail does not refer to the tail node really.
  - The tail node is the starting point of iteration. I think the tail
    node should be the head node and vice versa to reduce confusion.
- Some important methods are not implemented (e.g. iterator())
- Not serializable
- Potential false cache sharing problem due to lack of padding
- MpscLinkedQueue extends AtomicReference and thus exposes various
  operations that mutates the internal state of the queue directly.

Modifications:

- Use AtomicReferenceFieldUpdater wherever possible so that we do not
  use Unsafe directly. (e.g. use lazySet() instead of putOrderedObject)
- Extend AbstractQueue to implement most operations
- Implement serialization and iterator()
- Rename tail to head and head to tail to reduce confusion.
- Rename Node.tail to Node.next.
- Fix a leak where the references in the removed head are not cleared
  properly.
- Add Node.clearMaybe() method so that the value of the new head node
  is cleared if possible.
- Add some comments for my own educational purposes
- Add padding to the head node
  - Add FullyPaddedReference and RightPaddedReference for future reuse
- Make MpscLinkedQueue package-local so that a user cannot access the
  dangerous yet public operations exposed by the superclass.
  - MpscLinkedQueue.Node becomes MpscLinkedQueueNode, a top level class

Result:

- It's more like a drop-in replacement of ConcurrentLinkedQueue for the
  MPSC case.
- Works without sun.misc.Unsafe
- Code potentially easier to understand
- Fixed leak (related: #2372)
2014-06-04 03:23:55 +09:00
Trustin Lee
13c0cfde59 Add awaitInactivity() to GlobalEventExecutor and ThreadDeathWatcher
Motivation:

When running Netty on a container environment, the container will often
complain about the lingering threads such as the worker threads of
ThreadDeathWatcher and GlobalEventExecutor.  We should provide an
operation that allows a use to wait until such threads are terminated.

Modifications:

- Add awaitInactivity()
- (misc) Fix typo in GlobalEventExecutorTest
- (misc) Port ThreadDeathWatch's CAS-based thread life cycle management
  to GlobalEventExecutor

Result:

- Fixes #2084
- Less overhead on task submission of GlobalEventExecutor
2014-06-02 19:28:00 +09:00
Trustin Lee
08c1f55d3a Fix checkstyle 2014-06-02 18:27:11 +09:00
Trustin Lee
e79ca269b8 Introduce ThreadDeathWatcher
Motivation:

PooledByteBufAllocator's thread local cache and
ReferenceCountUtil.releaseLater() are in need of a way to run an
arbitrary logic when a certain thread is terminated.

Modifications:

- Add ThreadDeathWatcher, which spawns a low-priority daemon thread
  that watches a list of threads periodically (every second) and
  invokes the specified tasks when the associated threads are not alive
  anymore
  - Start-stop logic based on CAS operation proposed by @tea-dragon
- Add debug-level log messages to see if ThreadDeathWatcher works

Result:

- Fixes #2519 because we don't use GlobalEventExecutor anymore
- Cleaner code
2014-06-02 18:23:23 +09:00
Norman Maurer
d0f3bfd4cc [#2523] Fix infinite-loop when remove attribute and create the same attribute again
Motivation:
The current DefaultAttributeMap cause an infinite-loop when the user removes an attribute and create the same attribute again. This regression was introduced by c3bd7a8ff1.

Modification:
Correctly break out loop

Result:
No infinite-loop anymore.
2014-06-01 13:10:52 +02:00
Trustin Lee
c7825f63c0 Fix a bug in DefaultPromise.notifyLateListener() where the listener is not notified
Motivation:

When (listeners == null && lateListeners == null) and (stackDepth >= MAX_LISTENER_STACK_DEPTH), the listener is not notified at all. The discard client does not work.

Modification:

Make sure to submit the notification task.

Result:

The discard client works again and all listeners are notified.
2014-05-23 09:48:05 +09:00
Trustin Lee
c4fc6b7043 Checkstyle 2014-05-20 17:39:14 +09:00
Trustin Lee
7252934f9b Limit the number of bytes to copy per Unsafe.copyMemory()
Motivation:

During a large memory copy, safepoint polling is diabled, hindering
accurate profiling.

Modifications:

Only copy up to 1 MiB per Unsafe.copyMemory()

Result:

Potentially more reliable performance
2014-05-20 17:19:51 +09:00
Trustin Lee
b6c0c0c95f Add an OpenSslEngine and the universal API for enabling SSL
Motivation:

Some users already use an SSLEngine implementation in finagle-native. It
wraps OpenSSL to get higher SSL performance.  However, to take advantage
of it, finagle-native must be compiled manually, and it means we cannot
pull it in as a dependency and thus we cannot test our SslHandler
against the OpenSSL-based SSLEngine.  For an instance, we had #2216.

Because the construction procedures of JDK SSLEngine and OpenSslEngine
are very different from each other, we also need to provide a universal
way to enable SSL in a Netty application.

Modifications:

- Pull netty-tcnative in as an optional dependency.
  http://netty.io/wiki/forked-tomcat-native.html
- Backport NativeLibraryLoader from 4.0
- Move OpenSSL-based SSLEngine implementation into our code base.
  - Copied from finagle-native; originally written by @jpinner et al.
  - Overall cleanup by @trustin.
- Run all SslHandler tests with both default SSLEngine and OpenSslEngine
- Add a unified API for creating an SSL context
  - SslContext allows you to create a new SSLEngine or a new SslHandler
    with your PKCS#8 key and X.509 certificate chain.
  - Add JdkSslContext and its subclasses
  - Add OpenSslServerContext
- Add ApplicationProtocolSelector to ensure the future support for NPN
  (NextProtoNego) and ALPN (Application Layer Protocol Negotiation) on
  the client-side.
- Add SimpleTrustManagerFactory to help a user write a
  TrustManagerFactory easily, which should be useful for those who need
  to write an alternative verification mechanism. For example, we can
  use it to implement an unsafe TrustManagerFactory that accepts
  self-signed certificates for testing purposes.
- Add InsecureTrustManagerFactory and FingerprintTrustManager for quick
  and dirty testing
- Add SelfSignedCertificate class which generates a self-signed X.509
  certificate very easily.
- Update all our examples to use SslContext.newClient/ServerContext()
- SslHandler now logs the chosen cipher suite when handshake is
  finished.

Result:

- Cleaner unified API for configuring an SSL client and an SSL server
  regardless of its internal implementation.
- When native libraries are available, OpenSSL-based SSLEngine
  implementation is selected automatically to take advantage of its
  performance benefit.
- Examples take advantage of this modification and thus are cleaner.
2014-05-18 02:54:06 +09:00
Norman Maurer
2d9e0f53a5 Better implementation of AttributeMap and also add hasAttr(...). See [#2439]
Motivation:
The old DefaultAttributeMap impl did more synchronization then needed and also did not expose a efficient way to check if an attribute exists with a specific key.

Modifications:
* Rewrite DefaultAttributeMap to not use IdentityHashMap and synchronization on the map directly. The new impl uses a combination of AtomicReferenceArray and synchronization per chain (linked-list). Also access the first Attribute per bucket can be done without any synchronization at all and just uses atomic operations. This should fit for most use-cases pretty weel.
* Add hasAttr(...) implementation

Result:
It's now possible to check for the existence of a attribute without create one. Synchronization is per linked-list and the first entry can even be added via atomic operation.
2014-05-15 06:47:42 +02:00
Norman Maurer
2f7d60f234 Minimize memory footprint of HashedWheelTimer and context-switching
Motivation:
At the moment there are two issues with HashedWheelTimer:
* the memory footprint of it is pretty heavy (250kb fon an empty instance)
* the way how added Timeouts are handled is inefficient in terms of how locks etc are used and so a lot of context-switching / condition can happen.

Modification:
Rewrite HashedWheelTimer to use an optimized bucket implementation to store the submitted Timeouts and a MPSC queue to handover the timeouts.  So volatile writes are reduced to a minimum and also the memory foot-print of the buckets itself is reduced a lot as the bucket uses a double-linked-list. Beside this we use Atomic*FieldUpdater where-ever possible to improve the memory foot-print and performance.

Result:
Lower memory-footprint and better performance
2014-05-11 15:12:29 +02:00
Trustin Lee
d69ad2f85c More robust native library discovery in Mac OS X
Motivation:

Some JDK versions of Mac OS X generates a JNI dynamic library with '.jnilib' extension rather than with '.dynlib' extension.  However, System.mapLibraryName() always returns 'lib<name>.dynlib'. As a result, NativeLibraryLoader fails to load the native library whose extension is .jnilib.

Modification:

Try to find both '.jnilib' and '.dynlib' resources on OS X.

Result:

Dynamic libraries are loaded correctly in Mac OS X, and thus we can continue the OpenSslEngine work.
2014-05-11 18:53:43 +09:00
Trustin Lee
6c1af9036f Simplify native library resolution using os-maven-plugin
Motivation:

So far, we used a very simple platform string such as linux64 and
linux32.  However, this is far from perfection because it does not
include anything about the CPU architecture.

Also, the current build tries to put multiple versions of .so files into
a single JAR.  This doesn't work very well when we have to ship for many
different platforms.  Think about shipping .so/.dynlib files for both
Linux and Mac OS X.

Modification:

- Use os-maven-plugin as an extension to determine the current OS and
  CPU architecture reliable at build time
- Use Maven classifier instead of trying to put all shared libraries
  into a single JAR
- NativeLibraryLoader does not guess the OS and bit mode anymore and it
  always looks for the same location regardless of platform, because the
  Maven classifier does the job instead.

Result:

Better scalable native library deployment and retrieval
2014-05-02 04:21:47 +09:00
Trustin Lee
1492b32da7 Code clean-up
Motivation:

It is less confusing not to spread Thread.interrupt() calls.

Modification:

- Comments
- Move generatorThread.interrupt() to where currentThread.interrupt() is
  triggered

Result:

Code that is easier to read
2014-04-25 17:44:04 +09:00
Trustin Lee
b9039eaa82 Synchronized between 4.1 and master again (part 2)
Motivation:
4 and 5 were diverged long time ago and we recently reverted some of the
early commits in master.  We must make sure 4.1 and master are not very
different now.

Modification:
Remove ChannelHandlerInvoker.writeAndFlush(...) and the related
implementations.

Result:
4.1 and master got closer.
2014-04-25 15:06:26 +09:00
Trustin Lee
db3709e652 Synchronized between 4.1 and master
Motivation:

4 and 5 were diverged long time ago and we recently reverted some of the
early commits in master.  We must make sure 4.1 and master are not very
different now.

Modification:

Fix found differences

Result:

4.1 and master got closer.
2014-04-25 00:38:02 +09:00
Trustin Lee
a31f36d933 Stop ThreadLocalRandom's initial seed generation immediately on interruption
Motivation:

ThreadLocalRandomTest reveals that ThreadLocalRandom's initial seed generation loop becomes tight if the thread is interrupted.
We currently interrupt ourselves inside the wait loop, which will raise an InterruptedException again in the next iteration, resulting in infinite (up to 3 seconds) exception construction and thread interruptions.

Modification:

- When the initial seed generator thread is interrupted, break out of the wait loop immediately.
- Log properly when the initial seed generation failed due to interruption.
- When failed to generate the initial seed, interrupt the generator thread just in case the SecureRandom implementation handles it properly.
- Make the initial seed generator thread daemon and handle potential exceptions raised due to the interruption.

Result:

No more tight loop on interruption.  More robust generator thread termination. Fixes #2412
2014-04-20 17:55:25 +09:00
Norman Maurer
88481131be [#2353] Use a privileged block to get ClassLoader and System property if needed
Motivation:
When using System.getProperty(...) and various methods to get a ClassLoader it will fail when a SecurityManager is in place.

Modifications:
Use a priveled block if needed. This work is based in the PR #2353 done by @anilsaldhana .

Result:
Code works also when SecurityManager is present
2014-04-08 14:12:25 +02:00
Trustin Lee
7dc63ccd95 Add EventExecutor.children() in favor of iterator()
Motivation:

EventExecutor.iterator() is fixed to return Iterator<EventExecutor> and there's no way to change that as long as we don't extend Iterable.  However, a user should have a way to cast the returned set of executors painlessly.  Currently, it is only possible with an explicit cast like (Iterator<NioEventLoop>).

Modifications:

Instead, I added a new method called 'children()' which returns an immutable collection of child executors whose method signature looks like the following:

    <E extends EventExecutor> Set<E> children();

Result:

A user can now do this:

    Set<NioEventLoop> loops = group.children();
    for (NioEventLoop l: loops) { ... }

Unfortunately, this is not possible:

    for (NioEventLoop l: group.children()) { ... }

However, it's still a gain that a user doesn't need to down-cast explicitly and to add the '@SuppressWarnings` annotation.
2014-03-24 12:32:55 +09:00
Trustin Lee
924113ce8c Make DefaultEventExecutor usable by users.
Motivation:

There's no reason to keep our users from using DefaultEventExecutor directly.  It should be actually very useful to them.

Modifications:

Make DefaultEventExecutor public and add useful public constructors.

Result:

DefaultEventExecutor got usable by anyone, yielding more value as a generic library.
2014-03-24 11:18:03 +09:00
Trustin Lee
4332821e6f Use common non-magic number for shutdown timeout
Motivation:

AbstractEventExecutor and AbstractEventExecutorGroup have hard-coded magic timeout numbers.  They should have the same timeout numbers, but it's easy to break that rule because they are hard-coded in each place.

Modifications:

Add package private constants to AbstractEventExecutor and let AbstractEventExecutorGroup use them.

Result:

Single timeout change affects two classes.
2014-03-24 11:12:17 +09:00
Trustin Lee
007694b963 Implement EventExecutor.parent() in AbstractEventExecutor
Motivation:

EventExecutor.parent() and EventLoop.parent() almost always return a constant parent executor.  There's not much reason to let it implemented in subclasses.

Modifications:

- Implement AbstractEventExecutor.parent() with an additional contructor
- Add AbstractEventLoop so that subclasses extend AbstractEventLoop, which implements parent() appropriately
- Remove redundant parent() implementations in the subclasses
- Fix inspector warnings

Result:

Less duplication.
2014-03-24 11:05:51 +09:00
Trustin Lee
2215ed0a35 Use SecureRandom.generateSeed() to generate ThreadLocalRandom's initialSeedUniquifier
Motivation:

Previously, we used SecureRandom.nextLong() to generate the initialSeedUniquifier.  This required more entrophy than necessary because it has to 1) generate the seed of SecureRandom first and then 2) generate a random long integer.  Instead, we can use generateSeed() to skip the step (2)

Modifications:

Use generateSeed() instead of nextLong()

Result:

ThreadLocalRandom requires less amount of entrphy to start up
2014-03-21 13:43:15 +09:00
Trustin Lee
ff179c3430 Reduce the time taken by NetUtil and DefaultChannelId 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, which should fix #2331.
2014-03-21 11:39:41 +09:00
Trustin Lee
19422972e3 Fix and simplify freeing a direct buffer / Fix Android support
Motivation:

6e8ba291cf introduced a regression in Android because Android does not have sun.nio.ch.DirectBuffer (see #2330.)  I also found PlatformDependent0.freeDirectBuffer() and freeDirectBufferUnsafe() are pretty much same after the commit and the unsafe version should be removed.

Modifications:

- Do not use the pooled allocator in Android because it's too resource hungry for Androids.
- Merge PlatformDependent0.freeDirectBuffer() and freeDirectBufferUnsafe() into one method.
- Make the Unsafe unavailable when sun.nio.ch.DirectBuffer is unavailable.  We could keep the Unsafe available and handle the sun.nio.ch.DirectBuffer case separately, but I don't want to complicate our code just because of that.  All supported JDK versions have sun.nio.ch.DirectBuffer if the Unsafe is available.

Result:

Simpler code. Fixes Android support (#2330)
2014-03-20 11:11:07 +09:00
Trustin Lee
9fe9710315 Rename "io.netty.recycler.maxCapacity.default" to "io.netty.recycler.maxCapacity"
Motivation:

'io.netty.recycler.maxCapacity.default' is the only property for recycler's default maximum capacity, so having the 'default' suffix only increases the length of the property name.

Modifications:

Rename "io.netty.recycler.maxCapacity.default" to "io.netty.recycler.maxCapacity"

Result:

Shorter system property name. The future addition of system properties, such as io.netty.recycler.maxCapacity.outboundBuffer, are not confusing either.
2014-03-18 16:26:16 +09:00
Norman Maurer
16a85e6cca [#2307] Remove synchronized bottleneck in SingleThreadEventExecutor.execute(...)
Motivation:
Remove the synchronization bottleneck in startThread() which is called by each execute(..) call from outside the EventLoop.

Modifications:
Replace the synchronized block with the use of AtomicInteger and compareAndSet loops.

Result:
Less conditions during SingleThreadEventExecutor.execute(...)
2014-03-13 10:08:01 +01:00
Norman Maurer
50e95383a3 Fix checkstyle errors introduced by f0d1bbd63e 2014-03-12 12:41:06 +01:00
Trustin Lee
e57cf9d201 Add capacity limit to Recycler / Optimize when assertion is off
Motivation:

- As reported recently [1], Recycler's thread-local object pool has unbounded capacity which is a potential problem.
- It accesses a hash table on each push and pop for debugging purposes.  We don't really need it besides debugging Netty itself.

Modifications:

- Introduced the maxCapacity constructor parameter to Recycler.  The default default maxCapacity is retrieved from the system property whose default is 256K, which should be plenty for most cases.
- Recycler.Stack.map is now created and accessed only when assertion is enabled for Recycler.

Result:

- Recycler does not grow infinitely anymore.
- If assertion is disabled, Recycler should be much faster.

[1] https://github.com/netty/netty/issues/1841
2014-03-12 18:16:53 +09:00
Norman Maurer
722f6c5e1a Use bitwise operations to choose next EventExecutor if number of EventExecutors is power of two 2014-03-10 20:48:20 +01:00
Jatinder
8afc2cd378 [#2252] Fix bug where AppendableCharSequence private constructor does not set correct position 2014-03-03 20:03:24 +01:00
Andrew Gaul
1f5b74762b Correct ConcurrentHashMapV8 bitwise arithmetic
Previously ConcurrentHashMapV8 evaulated ((x | 1) == 0), an expression
that always returned false.  This commit brings Netty closer to the
Java 8 implementation.
2014-03-03 06:44:45 +01:00
Norman Maurer
d3ffa1b02b [#1259] Add optimized queue for SCMP pattern and use it in NIO and native transport
This queue also produces less GC then CLQ when make use of OneTimeTask
2014-02-27 13:28:37 +01:00
Norman Maurer
dbb2198839 Fix a regression which could lead to GenericFutureListeners never been notifed. Part of [#2186].
This regression was introduced by commit c97f2d2de00ad74835067cb6f5a62cd4651d1161
2014-02-20 15:13:25 +01:00
Norman Maurer
9330172f80 Introduce a native transport for linux using epoll ET
This transport use JNI (C) to directly make use of epoll in Edge-Triggered mode for maximal performance on Linux. Beside this it also support using TCP_CORK and produce less GC then the NIO transport using JDK NIO.
It only builds on linux and skip the build if linux is not used. The transport produce a jar which contains all needed .so files for 32bit and 64 bit. The user only need to include the jar as dependency as usually
to make use of it and use the correct classes.

This includes also some cleanup of @trustin
2014-02-15 22:44:56 +01:00
Trustin Lee
f0127ec991 Do not warn about Unsafe in Android 2014-02-14 12:06:24 -08:00
Trustin Lee
ac70dc4546 Update the version to 4.1.0.Alpha1-SNAPSHOT 2014-02-13 18:32:26 -08:00
Trustin Lee
8837afddf8 Enable a user specify an arbitrary information with ReferenceCounted.touch()
- Related: #2163
- Add ResourceLeakHint to allow a user to provide a meaningful information about the leak when touching it
- DefaultChannelHandlerContext now implements ResourceLeakHint to tell where the message is going.
- Cleaner resource leak report by excluding noisy stack trace elements
2014-02-13 18:16:25 -08:00
Trustin Lee
45e70d9935 Add ReferenceCounted.touch() / Add missing retain() overrides
- Fixes #2163
- Inspector warnings
2014-02-13 18:10:11 -08:00
Trustin Lee
2b84314fdd Add Recycler.Handle.recycle() so that it's possible to recycle an object without an explicit reference to Recycler 2014-02-13 17:24:37 -08:00
Trustin Lee
6e23cf8c92 Fix checkstyle 2014-02-13 17:08:22 -08:00
Trustin Lee
516795fcfb Add convenient logging methods for logging exceptions quickly
.. Mainly useful for writing tests or ad-hoc debugging
2014-02-13 17:08:14 -08:00
Vladimir Krivosheev
eb308cfff6 ability to use Executor instead of ThreadFactory 2014-02-13 16:14:41 -08:00
Trustin Lee
ebc78dab1d Add a getter method for accessing the ClassPool of JavassistTypeParameterMatcherGenerator
.. so that a user can even manipulate the class pool as they wish.
2014-02-13 15:25:55 -08:00
Trustin Lee
499033d44f Add a shortcut method for collision-free naming 2014-02-13 15:17:09 -08:00
Trustin Lee
b533a1361b Replace UniqueName with Constant and ConstantPool
- Proposed fix for #1824

UniqueName and its subtypes do not allow getting the previously registered instance.  For example, let's assume that a user is running his/her application in an OSGi container with Netty bundles and his server bundle.  Whenever the server bundle is reloaded, the server will try to create a new AttributeKey instance with the same name.  However, Netty bundles were not reloaded at all, so AttributeKey will complain that the name is taken already (by the previously loaded bundle.)

To fix this problem:

- Replaced UniqueName with Constant, AbstractConstant, and ConstantPool.  Better name and better design.

- Sctp/Udt/RxtxChannelOption is not a ChannelOption anymore.  They are just constant providers and ChannelOption is final now.  It's because caching anything that's from outside of netty-transport will lead to ClassCastException on reload, because ChannelOption's constant pool will keep all option objects for reuse.

- Signal implements Constant because we can't ensure its uniqueness anymore by relying on the exception raised by UniqueName's constructor.
2014-02-13 15:14:34 -08:00
Trustin Lee
0e71da3082 Fix a bug where DefaultPromise.setUncancellable() returns a wrong value
- Fixes #2220 - again
- Missing negation
2014-02-10 11:48:20 -08:00
Trustin Lee
7e0e4c6325 Fix a bug where DefaultPromise.setUncancellable() returns a wrong value
- Fixes #2220
- Its Javadoc says it returns true when the promise is done (but not cancelled) or the promise is uncancellable, but it returns false when the promise is done.
2014-02-10 11:40:04 -08:00
Trustin Lee
e592d06364 Fix the compilation error in ConcurrentHashMapV8 + JDK8 2014-02-08 08:56:17 -08:00
Trustin Lee
78cf0e37e2 Log the rejected listener notification task under a dedicated logger name.
- Fixes #2166
- Some user applications are fine with the failure of notification
2014-02-07 10:22:37 -08:00
Norman Maurer
f23d68b42f [#2187] Always do a volatile read on the refCnt 2014-02-07 09:23:16 +01:00
Trustin Lee
103a08e6c6 Reduce code duplication in DefaultPromise 2014-02-06 22:30:10 -08:00
Trustin Lee
309ee68c21 Fix a race condition in DefaultPromise
.. which occurs when a user adds a listener from different threads after the promise is done and the notifications for the listeners, that were added before the promise is done, is in progress.  For instance:

   Thread-1: p.addListener(listenerA);
   Thread-1: p.setSuccess(null);
   Thread-2: p.addListener(listenerB);
   Thread-2: p.executor.execute(taskNotifyListenerB);
   Thread-1: p.executor.execute(taskNotifyListenerA);

taskNotifyListenerB should not really notify listenerB until taskNotifyListenerA is finished.

To fix this issue:

- Change the semantic of (listeners == null) to determine if the early
  listeners [1] were notified
- If a late listener is added before the early listeners are notified,
  the notification of the late listener is deferred until the early
  listeners are notified (i.e. until listeners == null)
- The late listeners with deferred notifications are stored in a lazily
  instantiated queue to preserve ordering, and then are notified once
  the early listeners are notified.

[1] the listeners that were added before the promise is done
[2] the listeners that were added after the promise is done
2014-02-06 22:05:24 -08:00
Trustin Lee
c4c71e6d28 Fix the potential copyright issue in SocksCommonUtils
- Add StringUtil.toHexString() methods which are based on LoggingHandler's lookup table implementation, and use it wherever possible
2014-02-06 15:00:06 -08:00
Norman Maurer
9bee78f91c Provide an optimized AtomicIntegerFieldUpdater, AtomicLongFieldUpdater and AtomicReferenceFieldUpdater 2014-02-06 20:08:45 +01:00
Valentin Kovalenko
40f4b5c9db Restore of interrupt status after catch of InterruptedException was added 2014-02-03 06:58:15 +01:00
Norman Maurer
64c3f58279 Not wakeup the EventLoop for writes as they will not cause a flush anyway 2014-02-01 13:45:27 +01:00
Trustin Lee
9f7a9077d6 Remove code duplication 2014-01-29 12:13:11 +09:00
MiddleBen
6e8ba291cf Simplify the acquisition of Cleaner 2014-01-29 11:55:06 +09:00
Trustin Lee
0bf5ca22cb Cleaner resource leak report by excluding noisy stack trace elements 2014-01-29 11:53:23 +09:00
Norman Maurer
d67184b488 [maven-release-plugin] prepare for next development iteration 2014-01-21 08:18:32 +01:00
Norman Maurer
287515210d [maven-release-plugin] prepare release netty-4.0.15.Final 2014-01-21 08:18:26 +01:00
Trustin Lee
b1392050f7 Disable Javassist completely on Android
- Related: #2127
- Inspector warnings
2014-01-21 14:25:54 +09:00
Veebs
5cb9ab0fc0 Correct JavaDoc 2014-01-13 17:40:55 +09:00
Trustin Lee
e83d2e0b4e [maven-release-plugin] prepare for next development iteration 2013-12-22 21:57:48 +09:00
Trustin Lee
cdb700c7a4 [maven-release-plugin] prepare release netty-4.0.14.Final 2013-12-22 21:57:40 +09:00
Trustin Lee
0b7aedb13b [maven-release-plugin] rollback the release of netty-4.0.14.Final 2013-12-22 21:53:24 +09:00
Trustin Lee
4bf6ec7171 [maven-release-plugin] prepare release netty-4.0.14.Final 2013-12-22 21:52:56 +09:00
Trustin Lee
9c1a49c58e [maven-release-plugin] rollback the release of netty-4.0.14.Final 2013-12-22 21:47:35 +09:00
Trustin Lee
008a049bf4 [maven-release-plugin] prepare for next development iteration 2013-12-22 21:43:55 +09:00
Trustin Lee
f6cb9088c6 [maven-release-plugin] prepare release netty-4.0.14.Final 2013-12-22 21:43:45 +09:00
Trustin Lee
d7d4ea8c6d Remove unnecessary check in DefaultPromise.await0()
- Fixes #2032
- Fix inspection warnings
2013-12-16 15:16:08 +09:00
Trustin Lee
a79dfe74b7 Prevent NPE from StringUtil.simpleName(..) 2013-12-16 13:54:51 +09:00
Norman Maurer
bddfc38c64 [#2053] Do not allow < 1 on AppendableCharSequence init. 2013-12-11 10:18:26 +01:00
Trustin Lee
40001a7a5b Add missing synchronization 2013-12-06 22:35:14 +09:00
Trustin Lee
e506581eb1 Add ReferenceCountUtil.releaseLater() to make writing tests easy with ReferenceCounteds 2013-12-06 15:13:00 +09:00
Norman Maurer
04a2249814 [#2041] Make PlatformDependent.isRoot0() work on solaris 2013-12-05 15:43:05 +01:00
Trustin Lee
4f6a591e91 Do not log the deprecated system property when it's not specified by a user 2013-12-05 01:39:48 +09:00
Trustin Lee
e88172495a Ensure backward compatibility
.. by resurrecting the removed methods and system properties.
2013-12-05 01:02:38 +09:00
Trustin Lee
65b522a2a7 Better buffer leak reporting
- Remove the reference to ResourceLeak from the buffer implementations
  and use wrappers instead:
  - SimpleLeakAwareByteBuf and AdvancedLeakAwareByteBuf
  - It is now allocator's responsibility to create a leak-aware buffer.
  - Added AbstractByteBufAllocator.toLeakAwareBuffer() for easier
    implementation
- Add WrappedByteBuf to reduce duplication between *LeakAwareByteBuf and
  UnreleasableByteBuf
- Raise the level of leak reports to ERROR - because it will break the
  app eventually
- Replace enabled/disabled property with the leak detection level
  - Only print stack trace when level is ADVANCED or above to avoid user
    confusion
- Add the 'leak' build profile, which enables highly detailed leak
  reporting during the build
- Remove ResourceLeakException which is unsed anymore
2013-12-05 00:51:39 +09:00
Norman Maurer
05c10fae05 Replace usage of StringBuilder by AppendableCharSequence for performance reasons 2013-12-03 12:04:07 +01:00
Norman Maurer
17f5865e38 [maven-release-plugin] prepare for next development iteration 2013-11-29 19:31:01 +01:00
Norman Maurer
ead617fdcc [maven-release-plugin] prepare release netty-4.0.14.Beta1 2013-11-29 19:30:55 +01:00
Norman Maurer
6cf2748dbb [maven-release-plugin] prepare for next development iteration 2013-11-28 15:04:51 +01:00
Norman Maurer
5fe7596f49 [maven-release-plugin] prepare release netty-4.0.13.Final 2013-11-28 15:04:46 +01:00
Trustin Lee
407f0a36f5 Simplify bundle generation / Add io.netty.versions.properties to all JARs
- Fixes #2003 properly
- Instead of using 'bundle' packaging, use 'jar' packaging.  This is
  more robust because some strict build tools fail to retrieve the
  artifacts from a Maven repository unless their packaging is not 'jar'.
- All artifacts now contain META-INF/io.netty.version.properties, which
  provides the detailed information about the build and repository.
- Removed OSGi testsuite temporarily because it gives false errors
  during split package test and examination.
- Add io.netty.util.Version for easy retrieval of version information
2013-11-26 22:01:46 +09:00
Norman Maurer
5386882c54 [#2003] Generate a io.netty.util.Version class which holds the version 2013-11-24 13:40:47 +01:00
Norman Maurer
a159d3ebac [#1994] DefaultPromise.cancel() should reuse CancellationException for performance reasons 2013-11-19 17:57:25 +01:00
Norman Maurer
db78581bbb [maven-release-plugin] prepare for next development iteration 2013-11-07 18:11:45 +01:00
Norman Maurer
2386777af8 [maven-release-plugin] prepare release netty-4.0.12.Final 2013-11-07 18:11:38 +01:00
Trustin Lee
54db9ec725 Use StringUtil.simpleClassName(..) instead of Class.getSimpleName() where necessary
- Class.getSimpleName() doesn't render anonymous classes very well
- + some minor cleanup
2013-11-04 19:46:15 +09:00
Trustin Lee
0d1567da0b Fix an API bug in the JavassistTypeParameterMatcherGenerator where some of its methods are not static
- Related issue: #1402
2013-11-04 18:57:02 +09:00
Norman Maurer
16d32ed33a [#1959] Proposed fix to correctly handle timeouts that overflow the ticks in the wheel 2013-10-31 06:27:17 +01:00
Trustin Lee
af1ac4ca0c Checkstyle 2013-10-25 21:04:10 +09:00
Trustin Lee
1c2352e6a0 Replace constructor calls on UniqueName and its subtypes with valueOf() wherever possible 2013-10-25 20:58:53 +09:00
Trustin Lee
8986245b47 Deprecate UniqueName and its subtypes' constructors / Add valueOf() for easier future migration. 2013-10-25 20:53:47 +09:00
Norman Maurer
ceab146b54 [maven-release-plugin] prepare for next development iteration 2013-10-21 07:43:42 +02:00
Norman Maurer
27a89d6032 [maven-release-plugin] prepare release netty-4.0.11.Final 2013-10-21 07:41:49 +02:00
Trustin Lee
e307979a0d Fix the problem where HashedWheelTimer puts a timeout into an incorrect place
- the stopIndex of a timeout is calculated based on the start time of the worker thread and the current tick count for greater accuracy
2013-10-07 17:46:19 +09:00
Norman Maurer
d7da19f745 [maven-release-plugin] prepare for next development iteration 2013-10-02 15:48:52 +02:00
Norman Maurer
d35768ae11 [maven-release-plugin] prepare release netty-4.0.10.Final 2013-10-02 15:48:45 +02:00
Norman Maurer
3739ee90cf [#1885] Correctly close leak detected also on non started HashedWheelTimer 2013-10-02 06:45:12 +02:00
Norman Maurer
ffab456aca Bump up version to reflect correct one 2013-09-09 11:20:12 +02:00
Norman Maurer
363531caf9 [maven-release-plugin] rollback the release of netty-4.0.9.Final 2013-09-06 09:18:34 +02:00
Norman Maurer
9d53573ee8 [maven-release-plugin] prepare for next development iteration 2013-09-06 09:17:15 +02:00
Norman Maurer
3aa77f54f7 [#1792] PlatformDependent.freeDirectBuffer(..) now respect hasUnsafe() 2013-08-28 07:23:37 +02:00
Norman Maurer
2e39b25cd4 [maven-release-plugin] prepare for next development iteration 2013-08-26 12:01:03 +02:00
Norman Maurer
b67659a866 [maven-release-plugin] prepare release netty-4.0.8.Final 2013-08-26 12:00:54 +02:00
Trustin Lee
8142aae765 Improve the randomness of ThreadLocalRandom for all platform
- Fixes #1765
Java 6 did a poor job of generating seedUniquifier unlike 7, so I implemented platform-independent seedUniquifier generator with configurability
2013-08-24 12:25:50 +09:00
Norman Maurer
1d3560e389 [maven-release-plugin] prepare for next development iteration 2013-08-08 13:53:28 +02:00
Norman Maurer
8e97e6c461 [maven-release-plugin] prepare release netty-4.0.7.Final 2013-08-08 13:53:19 +02:00
Norman Maurer
b456adf404 [#1709] Correctly detect that Unsafe.copyMemory is missing 2013-08-08 11:57:05 +02:00
Norman Maurer
3f2000fa3a [maven-release-plugin] prepare for next development iteration 2013-08-01 10:59:55 +02:00
Norman Maurer
3f70d5caa4 [maven-release-plugin] prepare release netty-4.0.6.Final 2013-08-01 10:59:46 +02:00
Norman Maurer
e3410680de [maven-release-plugin] prepare for next development iteration 2013-07-31 20:08:14 +02:00
Norman Maurer
0e124583d6 [maven-release-plugin] prepare release netty-4.0.5.Final 2013-07-31 20:08:05 +02:00
Norman Maurer
2b3ac3d446 Factor out the PendingWrite class and put it in internal package. Make use of it in SslHandler and ChunkedWriteHandler to reduce GC-pressure 2013-07-25 12:36:24 +02:00
Norman Maurer
0bc7d3f5d1 [maven-release-plugin] prepare for next development iteration 2013-07-23 10:04:23 +02:00
Norman Maurer
ca00182797 [maven-release-plugin] prepare release netty-4.0.4.Final 2013-07-23 10:04:14 +02:00
Norman Maurer
f4e128b807 [#1612] No need for volatile as it is not needed to be precise 2013-07-23 07:11:11 +02:00
Trustin Lee
764741c5ce Change the contract of ResourceLeakDetector.open() so that unsampled resources are recycled
- This also fixes the problem introduced while trying to implement #1612 (Allow to disable resource leak detection).
2013-07-23 14:06:58 +09:00
Trustin Lee
ec370e1d97 Remove an unnecessary empty line 2013-07-23 13:30:27 +09:00
Trustin Lee
70e7bcc963 Remove ResourceLeakDetector.ENABLED / Replace ResourceLeakDetector.is/setDisabled() with is/setEnabled()
- Related: #1612
2013-07-23 13:28:05 +09:00
Norman Maurer
2bbad8e4e5 [#1612] Allow to disable resource leak detection via API 2013-07-22 20:55:49 +02:00
kerr
ada07cb9e0 Fix types in javadocs 2013-07-22 19:14:36 +02:00
Jeff Pinner
6c9c151d66 minor documentation cleanup 2013-07-20 08:01:14 +02:00
Norman Maurer
a4d0341ea1 [#1614] Fix bug in SingleThreadEventExecutor which prevent scheduled tasks to get executed
The problem was that with OioSocketChannel there was always a read Task in the taskQueue and with the old logic it never tried to execute scheduled tasks if there was at least one task in the taskQueue.
2013-07-19 12:30:40 +02:00
Trustin Lee
762adfcb69 Update HttpStaticFileServer example / Fix bugs related with progress notification
- Fix a bug in DefaultProgressivePromise.tryProgress() where the notification is dropped
 - Fix a bug in AbstractChannel.calculateMessageSize() where FileRegion is not counted
 - HttpStaticFileServer example now uses zero copy file transfer if possible.
2013-07-19 13:21:32 +09:00
Trustin Lee
f96a8e5951 Implement ProgressivePromise notification in NIO byte channels and ChunkedWriteHandler
- Refine the contract of GenericProgressiveFutureListener.
- Negative 'total' now means 'unknown', which is useful for ChunkedWriteHandler.
2013-07-19 12:53:23 +09:00
Trustin Lee
ac6c3b85f2 Simplify 2013-07-18 14:49:58 +09:00
Trustin Lee
28b8573b2a Fix a potential race condition where the worker thread of GlobalEventExecutor terminates with a pending task
- Potential fix for the hanging SpdyFrameDecoderTest
2013-07-18 14:49:22 +09:00
Trustin Lee
57d591d188 Fix checkstyle 2013-07-18 14:05:41 +09:00
Trustin Lee
0f2542ded5 Fix StackOverflowError raised by DefaultPromise.notifyListeners() when ImmediateEventExecutor was used
- Fixed #1602
2013-07-18 14:03:48 +09:00
Trustin Lee
b130ee6a6c [maven-release-plugin] prepare for next development iteration 2013-07-18 11:17:42 +09:00
Trustin Lee
10d395e829 [maven-release-plugin] prepare release netty-4.0.3.Final 2013-07-18 11:17:31 +09:00
Trustin Lee
ef17a9c5d4 Grammar - Fixes #1598 2013-07-18 10:49:37 +09:00
Norman Maurer
fc7c950b08 [maven-release-plugin] prepare for next development iteration 2013-07-17 15:58:36 +02:00
Norman Maurer
bbbf72359e [maven-release-plugin] prepare release netty-4.0.2.Final 2013-07-17 15:58:28 +02:00
Trustin Lee
e53738f38c Less confusing leak warning message 2013-07-17 21:29:03 +09:00
Trustin Lee
57eb531eb8 [maven-release-plugin] prepare for next development iteration 2013-07-16 17:16:10 +09:00
Trustin Lee
76cefcc421 [maven-release-plugin] prepare release netty-4.0.1.Final 2013-07-16 17:15:54 +09:00
Norman Maurer
5297eba280 [maven-release-plugin] prepare for next development iteration 2013-07-15 15:48:15 +02:00
Norman Maurer
c5d8af446a [maven-release-plugin] prepare release netty-4.0.0.Final 2013-07-15 15:48:05 +02:00
Trustin Lee
246a3ecdcb [maven-release-plugin] prepare for next development iteration 2013-07-15 20:58:33 +09:00
Trustin Lee
e8fd209115 [maven-release-plugin] prepare release netty-4.0.0.Final 2013-07-15 20:58:21 +09:00
Norman Maurer
9b9f621690 Make DefaultFutureListeners package private 2013-07-15 09:33:33 +02:00
Norman Maurer
7254a5c2c6 Just some tiny javadocs optimizations 2013-07-14 16:02:03 +02:00
Norman Maurer
3a4c7c9c93 Also dissallow null elements on set 2013-07-12 08:25:19 +02:00
Norman Maurer
98c6a5810a Just tiny optimization to avoid object creation 2013-07-12 08:23:01 +02:00
Norman Maurer
c38db2afe3 Dissallow adding null elements into RecyclableArrayList 2013-07-12 08:01:31 +02:00
Norman Maurer
da5c6add14 Rename CodecOutput to RecyclableArrayList and move it to internal package.
* Also reuse it in SslHandler
2013-07-10 07:50:26 +02:00
Norman Maurer
9c1b31d20a [#1535] Remove Channel.id() and so fix the possible leakage of the previous used Channel id map
The user can still use Channel.hashCode() for logging. It's just not 100% unique but should be good enough for most cases
2013-07-08 14:07:18 +02:00
Trustin Lee
1fa087ecbf Fix checkstyle 2013-07-07 12:29:33 +09:00
Trustin Lee
ff97d1db29 Fix checkstyle 2013-07-07 12:29:11 +09:00
Trustin Lee
70df5a6f63 Add ThreadLocalRandom back because it's used by ForkJoinPool now. 2013-07-07 12:26:48 +09:00
Trustin Lee
378626b31f Port ConcurrentHashMapV8 again to get the recent upstream fixes 2013-07-07 12:22:59 +09:00
Norman Maurer
ec5e793a2f [maven-release-plugin] prepare for next development iteration 2013-07-02 11:41:18 +02:00
Norman Maurer
ca73eaef0d [maven-release-plugin] prepare release netty-4.0.0.CR9 2013-07-02 11:41:09 +02:00
Norman Maurer
830c559405 [maven-release-plugin] rollback the release of netty-4.0.0.CR9 2013-07-02 11:34:29 +02:00
Norman Maurer
66a16b133c [maven-release-plugin] prepare release netty-4.0.0.CR9 2013-07-02 10:45:12 +02:00
Trustin Lee
7e3a01cc51 [maven-release-plugin] prepare for next development iteration 2013-07-02 10:26:48 +09:00
Trustin Lee
149db34c19 [maven-release-plugin] prepare release netty-4.0.0.CR8 2013-07-02 10:26:32 +09:00
Trustin Lee
4b11aff08f Less confusing log messages for system properties
- Fixes #1502
2013-07-02 09:23:29 +09:00
Norman Maurer
43da224978 Only log about not avaible JavaAssist in debug level 2013-07-01 11:46:34 +02:00
Trustin Lee
613547b0b9 [maven-release-plugin] prepare for next development iteration 2013-06-28 22:15:33 +09:00
Trustin Lee
a6abd2feb2 [maven-release-plugin] prepare release netty-4.0.0.CR7 2013-06-28 22:15:20 +09:00
Trustin Lee
a6795d7780 [maven-release-plugin] prepare for next development iteration 2013-06-25 11:07:15 +09:00
Trustin Lee
2221446425 [maven-release-plugin] prepare release netty-4.0.0.CR6 2013-06-25 11:07:15 +09:00
Trustin Lee
63403884f7 Make sure PlatformDependent.isRoot0() works fine in Android
.. by swallowing ErrnoException raised by process.destroy().

Fixes #1472
2013-06-25 11:07:13 +09:00
Trustin Lee
32aa661604 Make sure PlatformDependent.maxDirectMemory() works on Android
- Fixes #1451
2013-06-25 11:07:13 +09:00
Trustin Lee
952e7bbec7 Remove cruft 2013-06-25 11:07:13 +09:00
Trustin Lee
6f86f38ae9 Fix IllegalStateException triggered by a successful connection attempt
- Fixes #1467
- Provide more information about the tasks and promises on exception for easier debugging
2013-06-25 11:07:13 +09:00
Norman Maurer
6a9f965f9b Introduce new utility class calles ReferenceCountUtil and move utility methods from ByteBufUtil to it.
The ones in ByteBufUtil were marked as @deprecated
2013-06-14 07:07:33 +02:00
Trustin Lee
a5871dfd86 [maven-release-plugin] prepare for next development iteration 2013-06-14 12:55:15 +09:00
Trustin Lee
f5377cc8d7 [maven-release-plugin] prepare release netty-4.0.0.CR5 2013-06-14 12:55:05 +09:00
Trustin Lee
0da48e7e7f Determine the default number of heap/direct arenas of PooledByteBufAllocator conservatively
- Fixes #1445
- Add PlatformDependent.maxDirectMemory()
- Ensure the default number or arenas is decreased if the max memory of the VM is not large enough.
2013-06-14 12:14:45 +09:00
Trustin Lee
e5ca6518ba [maven-release-plugin] prepare for next development iteration 2013-06-13 17:02:32 +09:00
Trustin Lee
381063e09c [maven-release-plugin] prepare release netty-4.0.0.CR4 2013-06-13 17:02:19 +09:00
Trustin Lee
ca1a37a3b3 Log correct system property name 2013-06-13 14:21:56 +09:00
Trustin Lee
32bf3054e1 Prefer direct buffer by default
- Because it's faster in most cases thanks to unsafe
2013-06-13 14:21:26 +09:00
Trustin Lee
6d1cd0d0cd ReferenceCountException -> IllegalReferenceCountException 2013-06-13 14:00:15 +09:00
Trustin Lee
175526b6bd Move ReferenceCounted and AbstractReferenceCounted to io.netty.util
- Fixes #1441
- Also move and rename IllegalBufferAccessException to ReferenceCountException
- Prettier reference count exception messages
2013-06-13 13:14:21 +09:00
Trustin Lee
2320a13a4e Better use NoOpTypeParameterMatcher as a class path source
.. because we tries to load it really
2013-06-12 08:24:36 +09:00
Trustin Lee
be695636d2 Make JavassistTypeParameterMatcherGenerator.generate() public 2013-06-12 08:17:17 +09:00
Trustin Lee
3fc6e02f8b Allow appending classpath to the ClassPool of JavassistTypeParameterMatcherGenerator
- Fixes: #1402
- Make JavassistTypeParameterMatcherGenerator public
- Add appendClassPath()
2013-06-12 08:09:11 +09:00
Trustin Lee
79e236dfc2 Make EventExecutor.shutdownGracefully() return Future
- Also added EventExecutor.terminationFuture()
- Also fixed type signature problem with Future.add/removeListener()
- Related issue: #1389
2013-06-12 08:00:54 +09:00
Trustin Lee
fd0084ecfa Remove the constructors that uses ImmediateEventExecutor from DefaultChannelGroup
.. which is incorrect in my opinion.

+ minor cleanup
2013-06-12 06:50:38 +09:00
Trustin Lee
1749210985 Add GlobalEventExecutor
- Related issue: #1389
- Also extracted SingleThreadEventExecutor.ScheduledFutureTask into a top level class for a reuse
2013-06-12 06:40:01 +09:00
Trustin Lee
786501d972 Remove unused thread local and its getter 2013-06-12 05:03:55 +09:00
Trustin Lee
c3034c8964 Implement the cancellation of connection attmpe for NIO and OIO transport
- Related issue: #1432
- Also added test cases to validate the implementation
2013-06-11 18:46:39 +09:00
Trustin Lee
41af9a1eb3 Implement cancellation properly for Promise/Future
- Related issue: #1432
- Add Future.isCancellable()
- Add Promise.setUncancellable() which is meant to be used for the party that runs the task uncancellable once started
- Implement Future.isCancelled() and Promise.cancel(boolean) properly
2013-06-11 17:46:21 +09:00
Trustin Lee
7234a00f0d Add ResourceLeakDetector.ENABLED
.. to provide a way to check if resource leak detection was enabled programmatically.
2013-06-10 19:13:06 +09:00
Trustin Lee
9449efb9b2 Optimize Recycler.Stack
- No need to use a deque at all
- Increase the initial capacity so that there's no practical chance of capacity expansion
2013-06-10 16:38:57 +09:00
Wolfgang Profer
d9af92f354 [#1430] Fixed byte order problem on little endian platforms that support Unsafe but not unaligned memory access. 2013-06-10 09:24:22 +02:00
Trustin Lee
14158070bf Revamp the core API to reduce memory footprint and consumption
The API changes made so far turned out to increase the memory footprint
and consumption while our intention was actually decreasing them.

Memory consumption issue:

When there are many connections which does not exchange data frequently,
the old Netty 4 API spent a lot more memory than 3 because it always
allocates per-handler buffer for each connection unless otherwise
explicitly stated by a user.  In a usual real world load, a client
doesn't always send requests without pausing, so the idea of having a
buffer whose life cycle if bound to the life cycle of a connection
didn't work as expected.

Memory footprint issue:

The old Netty 4 API decreased overall memory footprint by a great deal
in many cases.  It was mainly because the old Netty 4 API did not
allocate a new buffer and event object for each read.  Instead, it
created a new buffer for each handler in a pipeline.  This works pretty
well as long as the number of handlers in a pipeline is only a few.
However, for a highly modular application with many handlers which
handles connections which lasts for relatively short period, it actually
makes the memory footprint issue much worse.

Changes:

All in all, this is about retaining all the good changes we made in 4 so
far such as better thread model and going back to the way how we dealt
with message events in 3.

To fix the memory consumption/footprint issue mentioned above, we made a
hard decision to break the backward compatibility again with the
following changes:

- Remove MessageBuf
- Merge Buf into ByteBuf
- Merge ChannelInboundByte/MessageHandler and ChannelStateHandler into ChannelInboundHandler
  - Similar changes were made to the adapter classes
- Merge ChannelOutboundByte/MessageHandler and ChannelOperationHandler into ChannelOutboundHandler
  - Similar changes were made to the adapter classes
- Introduce MessageList which is similar to `MessageEvent` in Netty 3
- Replace inboundBufferUpdated(ctx) with messageReceived(ctx, MessageList)
- Replace flush(ctx, promise) with write(ctx, MessageList, promise)
- Remove ByteToByteEncoder/Decoder/Codec
  - Replaced by MessageToByteEncoder<ByteBuf>, ByteToMessageDecoder<ByteBuf>, and ByteMessageCodec<ByteBuf>
- Merge EmbeddedByteChannel and EmbeddedMessageChannel into EmbeddedChannel
- Add SimpleChannelInboundHandler which is sometimes more useful than
  ChannelInboundHandlerAdapter
- Bring back Channel.isWritable() from Netty 3
- Add ChannelInboundHandler.channelWritabilityChanges() event
- Add RecvByteBufAllocator configuration property
  - Similar to ReceiveBufferSizePredictor in Netty 3
  - Some existing configuration properties such as
    DatagramChannelConfig.receivePacketSize is gone now.
- Remove suspend/resumeIntermediaryDeallocation() in ByteBuf

This change would have been impossible without @normanmaurer's help. He
fixed, ported, and improved many parts of the changes.
2013-06-10 16:10:39 +09:00
Norman Maurer
81e3c1719a [maven-release-plugin] prepare for next development iteration 2013-05-18 09:59:13 +02:00
Norman Maurer
99caefdf39 [maven-release-plugin] prepare release netty-4.0.0.CR3 2013-05-18 09:57:11 +02:00
Norman Maurer
abb4e20d0b [#1369] Move ImmediateEventExecutor to common and let it access via a static
* Also fix a bug there to return a correct implementation of ProgressivPRomi
  ImmediateEventExecutor
2013-05-17 21:35:01 +02:00
Norman Maurer
a8830aee42 [#1369] Move ImmediateEventExecutor to common and let it access via a static public field
* Also fix a bug there to return a correct implementation of ProgressivPRomise to work with the
 ImmediateEventExecutor
2013-05-17 21:19:59 +02:00
Trustin Lee
c406647bb2 Use short for DefaultPromise.waiters for less memory consumption 2013-05-09 08:51:01 +09:00
Norman Maurer
c43950a03f [maven-release-plugin] prepare for next development iteration 2013-05-08 18:19:51 +02:00
Norman Maurer
ae76502040 [maven-release-plugin] prepare release netty-4.0.0.CR2 2013-05-08 18:19:38 +02:00
Norman Maurer
e48bc9c086 [#1344] Fix race condition in DefaultChannelPromise / DefaultChannelProgressivePromise which could lead to listeners that are not notified 2013-05-08 10:14:28 +02:00
Norman Maurer
d8a250aba0 Log with info level and not with warn 2013-05-02 08:43:29 +02:00
Trustin Lee
1e0c83db23 Introduce AddressedEnvelope message type for generic representation of an addressed message
- Fixes #1282 (not perfectly, but to the extent it's possible with the current API)
- Add AddressedEnvelope and DefaultAddressedEnvelope
- Make DatagramPacket extend DefaultAddressedEnvelope<ByteBuf, InetSocketAddress>
- Rename ByteBufHolder.data() to content() so that a message can implement both AddressedEnvelope and ByteBufHolder (DatagramPacket does) without introducing two getter methods for the content
- Datagram channel implementations now understand ByteBuf and ByteBufHolder as a message with unspecified remote address.
2013-05-01 17:04:43 +09:00
Trustin Lee
bc96c4b7b3 Fix a bug where SingleThreadEventExecutor sets its internal state flag too early during termination 2013-05-01 16:56:34 +09:00
Trustin Lee
23d0178494 Introduce EventExecutor.shutdownGracefully() that deprecates shutdown()
shutdownGracefully() provides two optional parameters that give more
control over when an executor has to be shut down.

- Related issue: #1307
- Add shutdownGracefully(..) and isShuttingDown()
- Deprecate shutdown() / shutdownNow()
- Replace lastAccessTime with lastExecutionTime and update it after task
  execution for accurate quiet period check
  - runAllTasks() and runShutdownTasks() update it automatically.
  - Add updateLastExecutionTime() so that subclasses can update it
- Add a constructor parameter that tells not to add an unncessary wakeup
  task in execute() if addTask() wakes up the executor thread
  automatically.  Previously, execute() always called wakeup() after
  addTask(), which often caused an extra dummy task in the task queue.
- Use shutdownGracefully() wherever possible / Deprecation javadoc
- Reduce the running time of SingleThreadEventLoopTest from 40s to 15s
  using custom graceful shutdown parameters

- Other changes made along with this commit:
  - takeTask() does not throw InterruptedException anymore.
    - Returns null on interruption or wakeup
  - Make sure runShutdownTasks() return true even if an exception was
    raised while running the shutdown tasks
  - Remove unnecessary isShutdown() checks
  - Consistent use of SingleThreadEventExecutor.nanoTime()

Replace isWakeupOverridden with a constructor parameter
2013-05-01 10:52:38 +09:00
Trustin Lee
8a4e708847 Fix 'unsupported address type error' in UDP tests / Fix checkstyle 2013-04-24 17:43:32 +09:00
Trustin Lee
cee0dc6f81 Add IPv4 and IPv6 specific localhost constants to NetUtil 2013-04-24 17:32:42 +09:00
Trustin Lee
c37b53fdd1 Format code 2013-04-24 11:33:19 +09:00
Trustin Lee
656d7ca054 Improve localhost / local interface detection mechanism in NetUtil
- Do not attempt to validate localhost by binding a socket because it can fail when SecurityManager is in use
- Find loopback interface first and get address from there instead of getting loopback address from InetAddress.getLocalHost() (because it's more reliable)
- Instead of throwing an Error, just log and fall back to 127.0.0.1 while determining localhost address
2013-04-24 11:28:42 +09:00
Trustin Lee
b5989e2449 Reduce exception instantiation overhead in SslHandler / Reduce unnecessary empty array creation
- Added EmptyArrays as an internal utility class
2013-04-24 09:32:53 +09:00
Trustin Lee
7452d05fa6 Add some logging for easier diagnosis in NetUtil
.. + formatting
2013-04-23 22:57:29 +09:00
Trustin Lee
be1426a220 Fix incorrect log level in NetUtil 2013-04-23 22:53:26 +09:00
Norman Maurer
9a5f45a0c1 [#1297] Make sure ResourceLeakDetector.open(...) is only used after constructing was successful 2013-04-22 10:07:22 +02:00
Trustin Lee
6bb00cea6f Fix failures in testsuite-osgi-deps
- Make only netty-common depend on javassist at compile scope, and
  all others at test scope
2013-04-19 05:57:53 +09:00
Trustin Lee
7ee571968c Use progress + total instead of delta
.. because there is sometimes a task whose total is only a rough
estimation
2013-04-15 20:11:02 +09:00
Trustin Lee
e69033a4c3 Replace TransferFuture(Listener) with (Channel)ProgressiveFuture(Listener)
- Now works without the transport package
- Renamed TransferFuture to ProgressiveFuture and ChannelProgressiveFuture / same for promises
- ProgressiveFutureListener now extends GenericProgressiveFutureListener and GenericFutureListener (add/removeTransferListener*() were removed)
- Renamed DefaultEventListeners to DefaultFutureListeners and only accept GenericFutureListeners
- Various clean-up
2013-04-15 15:26:20 +09:00
Trustin Lee
391c011764 Renames and typos 2013-04-15 11:03:59 +09:00
kerr
713b200adf [#1244] Support ChannelTransferPromise for sendFile 2013-04-14 21:22:03 +02:00
Trustin Lee
2600f46fd7 Fix checkstyle 2013-04-11 17:54:20 +09:00
Trustin Lee
15ac4127e4 Remove @Ignore and add expected / Fix inspector warnings 2013-04-11 17:29:37 +09:00
Norman Maurer
73db1f886d [#1247] Add test which shows the problem with concrete classes that pass in the type based on a generic 2013-04-10 07:08:42 +02:00
Trustin Lee
e8ee6a2772 Better exception message when tickDuration is too big
- Related: #1246
- Fix misc inspector warnings
2013-04-10 13:44:05 +09:00
Norman Maurer
da174f4290 Add a warning about SingleThreadEventExecutor.pendingTasks() operation 2013-04-09 12:50:29 +02:00
Norman Maurer
0efebd5a82 Allow to get an Iterator over all of the EventExecutor an EventExecutorGroup contains. Beside this allow to get basic stats for the EventExecutor like pendingTasks and executorCount 2013-04-09 15:45:18 +09:00
Norman Maurer
60cfb547b4 Fix logging of android platform detection 2013-04-08 21:19:20 +02:00
Norman Maurer
51de21f250 [#1246] Correctly convert to nanos 2013-04-08 10:42:54 +02:00
Norman Maurer
2508c76e97 [#1246] Fix cpu-spinning regression in HashedWheelTimer
Also remove the usage of System.currentTimeMillis() completely here to make it more consistent and correct
2013-04-08 07:01:08 +02:00
Andrei Pozolotin
a3e760a003 fix #1234 - duplicate package-info.java errors in eclipse requires release of netty-build v 19 and netty-parent update. 2013-04-05 05:38:05 +09:00
Trustin Lee
05bc0ba17f Fix checkstyle 2013-04-04 16:47:10 +09:00
Trustin Lee
6dfa455f9e Fix compiler warnings 2013-04-04 16:31:41 +09:00
Trustin Lee
117ad8acd7 Add MultithreadEventLoopGroup.DEFAULT_EVENT_LOOP_THREADS / Add DefaultThreadFactory
- Allow overriding the default thread factory when a user specified no thread factory
2013-04-03 17:49:30 +09:00
Trustin Lee
312a35dfed Remove MultithreadEventExecutorGroup.DEFAULT_POOL_SIZE
- We should never define a default nThread for MultithreadEventExecutorGroup because we don't know what a user do with it.
2013-04-03 17:15:25 +09:00
Trustin Lee
2ffa083d3c Allow overriding the default allocator properties and log them / Prettier log 2013-04-03 12:08:01 +09:00
Trustin Lee
0f3dc0409a Log various properties at startup time for easier diagnosis 2013-04-03 11:44:30 +09:00
Norman Maurer
96bf71e814 Let EventExecutorGroup extend ScheduledExecutorService as it shares quite some semantic 2013-04-01 13:56:46 +02:00
Prajwal Tuladhar
05850da863 enable checkstyle for test source directory and fix checkstyle errors 2013-03-30 13:18:57 +01:00
Norman Maurer
59012390f6 Fix version numbering 2013-03-25 08:01:11 +01:00
Norman Maurer
7d7b676eeb [maven-release-plugin] prepare for next development iteration 2013-03-22 15:20:35 +01:00
Norman Maurer
60fc7dac4d [maven-release-plugin] prepare release netty-4.0.0.CR1 2013-03-22 15:20:11 +01:00
Prajwal Tuladhar
915cb8b55c [#744] Port fixes from Akka to HashedWheelTimer
port fix from Akka with following commits:
*
https://github.com/akka/akka/commit/cb4e3536b0ed3483bd3636d7789c0ddcadaf
a2da
*
https://github.com/akka/akka/commit/7e590f3071bdf89a4aa9d7d262bac8923d85
e754

And also use constants for worker state for time instead of numeric.
2013-03-22 12:26:15 +01:00
Norman Maurer
624bda4695 Make sure cancelled scheduled tasks will not run again if cancelled before 2013-03-22 08:13:21 +01:00
Trustin Lee
19ffdd5c29 Revamp the selector auto rebuild checker
- Count the number of select() calls made to wait until reaching at the expected dead line, and rebuild selectors if too many select() calls were made.
2013-03-22 14:33:47 +09:00
Trustin Lee
fa02ffddae Remove TaskScheduler and ImmediateEventExecutor that requires TaskScheduler
- Related issue: #817
2013-03-22 09:06:08 +09:00
Trustin Lee
4097dee49d Make SingleThreadEventExecutor independent from TaskScheduler
- Related issue: #817
2013-03-22 09:00:38 +09:00
Trustin Lee
cfa2f72681 Fix checkstyle 2013-03-21 19:01:53 +09:00
Trustin Lee
a980638190 Ensure the best effort is made even if future listeners could not be notified / Handle registration failure in a robust manner
- Related: #1187
2013-03-21 17:48:10 +09:00
Trustin Lee
8b722d29a7 Add constructor parameters that do not perform type parameter auto-detection for the languages without type parameters
- Fixes #1177
- Add TypeParameterMatcher.get(parameterType)
- Add alternative constructors
2013-03-21 16:11:47 +09:00
Norman Maurer
ce87b627be Let EventExecutor return our Future to allow the user to work also with FutureListener here. Also add a special ScheduledFuture that extends our Future for this purpose. 2013-03-19 10:45:42 +01:00
Trustin Lee
2a87950784 [maven-release-plugin] prepare for next development iteration 2013-03-16 18:41:36 +09:00
Trustin Lee
adfb29330b [maven-release-plugin] prepare release netty-4.0.0.Beta3 2013-03-16 18:40:59 +09:00
Trustin Lee
d19b575c31 Fix an incorrect modulo operation 2013-03-14 13:17:07 +09:00
Trustin Lee
4323fea5fb Fix a bug where TypeParameterMatcher does not detect the case where the type parameter is derived from an outer class
- Fixes #1153
2013-03-14 07:22:44 +09:00
Trustin Lee
8dcb1387e3 Add I/O ratio parameter to NioEventLoop
- Add SingleThreadEventExecutor.runAllTasks(timeout)
- Add NioEventLoop.ioRatio property
- Merge SelectorUtil into NioEventLoop
2013-03-14 06:49:08 +09:00
Trustin Lee
cef81f1bff Revert e66fc219ff 2013-03-12 16:44:25 +09:00
Norman Maurer
17ebbdec20 Let ChannelGroupFuture extends ChannelFuture and ChannelGroupFutureListener GenericFutureListener 2013-03-12 08:35:39 +01:00
Trustin Lee
ed825de4bf Fix a bug where TypeParameterMatcher raises ClassCastException when an instance with raw type parameter is given 2013-03-09 09:19:34 +09:00
Trustin Lee
4f2e347625 More concise exception message 2013-03-09 08:48:22 +09:00
Norman Maurer
8d7f1e2820 Add stacktrace to the IllegalStateException which is thrown if a Promise was notified before 2013-03-08 15:11:29 +01:00
Trustin Lee
12f1d96914 Relaxed memory access constraint of ReferenceCounted.refCnt() for potentially better performance / More precise reference counting for MessageBuf 2013-03-08 10:32:20 +09:00
Trustin Lee
41ab17b9bf Fix inspection warnings in HashedWheelTimer 2013-03-08 08:45:17 +09:00
Prajwal Tuladhar
e66fc219ff port fix from Akka for HashedWheelTimer
Ported from commits:

* cb4e3536b0
* 7e590f3071
2013-03-08 08:25:37 +09:00
Norman Maurer
88cc8c1739 [#1065] Provide Future/Promise without channel reference 2013-03-07 07:21:37 +01:00
Trustin Lee
c5f606e632 Warn in case of incomplete low-level API 2013-03-05 18:06:01 +09:00
Trustin Lee
8d88acb4a7 Change ByteBufAllocator.buffer() to allocate a direct buffer only when the platform can handle a direct buffer reliably
- Rename directbyDefault to preferDirect
 - Add a system property 'io.netty.prederDirect' to allow a user from changing the preference on launch-time
 - Merge UnpooledByteBufAllocator.DEFAULT_BY_* to DEFAULT
2013-03-05 17:55:24 +09:00
Trustin Lee
307e6c47d8 Make hasUnsafe() return true only when all necessary low level operations are available for reliable direct buffer access 2013-03-05 17:25:54 +09:00
Norman Maurer
faaff91dd0 Fix checkstyle 2013-03-05 07:06:52 +01:00
Trustin Lee
7e17f71b30 Make PlatformDependent work with the platforms without unaligned access support 2013-03-05 14:27:52 +09:00
Trustin Lee
881bd8eea3 Support array types in JavassistTypeParameterMatcherGenerator 2013-02-28 10:37:55 -08:00
Trustin Lee
b712b030fa Fix a bug where TypeParameterMatcher fails when a type parameter is an array
- Fixes #1103
2013-02-28 10:29:03 -08:00
Trustin Lee
49aa907bd0 [maven-release-plugin] prepare for next development iteration 2013-02-26 16:55:07 -08:00
Trustin Lee
5026c2f359 [maven-release-plugin] prepare release netty-4.0.0.Beta2 2013-02-26 16:54:53 -08:00
Trustin Lee
671f9d48d4 Use ConcurrentHashMapV8 wherever possible
- Fixes #1052
2013-02-26 15:54:51 -08:00
Trustin Lee
f67441354a Move logging classes from internal to internal.logging
.. because internal is crowded
2013-02-26 14:54:25 -08:00
Trustin Lee
32affc8c8b Fix regression in DefaultAttributeMap / Add Attribute.key() / More fine-grained locking 2013-02-21 15:49:51 -08:00
Norman Maurer
6568cbfec4 [#1071] Remove Attribute from map after Attribute.remove() was called 2013-02-21 19:38:23 +01:00
Atsuhiko Yamanaka
8fdf788cbd [#1012] Replace forked jzlib with official jzlib and add a test. 2013-02-20 12:49:05 +01:00
Norman Maurer
74738fbd08 [#1061] Add workaround to not use PooledUnsafeDirectByteBuf when running on latest OpenJDK6 because of missing Unsafe method 2013-02-19 12:21:08 +01:00
Trustin Lee
d68a04a879 [maven-release-plugin] prepare for next development iteration 2013-02-14 12:56:24 -08:00
Trustin Lee
59e638f8f5 [maven-release-plugin] prepare release netty-4.0.0.Beta1 2013-02-14 12:56:15 -08:00
Trustin Lee
1011227b88 Remove apiviz tags - we are focusing on user guide instead and putting diagrams there 2013-02-14 12:09:16 -08:00
Trustin Lee
742db71a52 Fix IllegalAccessError when Javassist is used 2013-02-13 23:56:55 -08:00
Trustin Lee
53c27ef5ae More robust type parameter detection
- Also removed unnecessary constructors which were added due to incomplete type parameter detection logic
2013-02-13 19:02:55 -08:00
Trustin Lee
b4f4b95739 Move io.netty.logging to io.netty.internal / Move Signal out of internal because we use it in Channel*MessageAdapters 2013-02-11 20:08:18 +09:00
Trustin Lee
a2e5cd94be Prettify APIviz / Tighten visibility / Move subclasses to top level / Remove unused UnknownSocksMessage 2013-02-11 19:42:23 +09:00
Trustin Lee
8f895a7e9a More robust type parameter detection
- now handles '<List<Integer>>'
2013-02-10 01:50:49 +09:00
Trustin Lee
cedcee3f42 Reduce the potential contention caused by ResourceLeakDetector sampling 2013-02-09 12:27:38 +09:00
Trustin Lee
4df737864e Revert the previous commit (sorry!) 2013-02-09 12:21:30 +09:00
Trustin Lee
ea6113d7fb Call PhantomReference.clear() from close() 2013-02-09 12:20:10 +09:00
Trustin Lee
09b022e926 Use PhantomReference insteadof WeakReference for resource leak detection 2013-02-09 12:15:25 +09:00
Trustin Lee
3a12a2db46 Fix checkstyle 2013-02-09 02:37:07 +09:00
Trustin Lee
9a676bc7d5 Faster memory copy between direct buffer and byte array 2013-02-09 01:55:01 +09:00
Trustin Lee
9475f9aeea Add a system property that disables Javassist 2013-02-08 22:14:38 +09:00
Trustin Lee
54d44c6ac1 Use byte code generation if Javassist is available. 2013-02-08 21:45:14 +09:00
Norman Maurer
2f12f95d9b Use correct index when try to find the type of the message 2013-02-08 10:40:46 +01:00
Trustin Lee
ff5aec0c78 Replace TypeParameterFinder with TypeParameterMatcher
- We can avoid reflective matching using byte code generation.
 - Better matching performance when message type is Object
2013-02-08 18:28:06 +09:00
Trustin Lee
646cd455ea Fix incorrect exception message 2013-02-08 17:25:16 +09:00
Trustin Lee
1eafffbec5 Use thread-local map instead of ConcurrentHashMap for faster instantiation of handler adapters 2013-02-08 17:24:29 +09:00
Trustin Lee
1640b1fea6 Automatically detect the message types in MessageToMessageCodec 2013-02-08 16:12:32 +09:00
Trustin Lee
71136390f1 Extract type parameter finder code to a utility class 2013-02-08 15:57:23 +09:00
Andrei Pozolotin
f24872c566 [#1010] Add verify module to check osgi bundles 2013-02-06 20:13:07 +01:00
Norman Maurer
fd75615d7a [#870] Convert all modules into osgi bundles 2013-02-06 07:57:11 +01:00
Norman Maurer
2ad1451ce8 Fix semantic of DefaultAttribute impl on setIfAbsent 2013-01-31 11:52:36 +01:00
Trustin Lee
39357f3835 Enable TCP_NODELAY and SCTP_NODELAY by default
- Fixes #939
- Add PlatformDependent.canEnableTcpNoDelayByDefault()
  - Currently returns false on Android. Will change if necessary later.
2013-01-31 12:17:09 +09:00
Trustin Lee
b60e0b6a51 Modernize InternalLogger API and enable logging framework autodetection
- Borrow SLF4J API which is the best of the best
- InternalLoggerFactory now automatically detects the logging framework
  using static class loading. It tries SLF4J, Log4J, and then falls back
  to java.util.logging.
- Remove OsgiLogger because it is very likely that OSGi container
  already provides a bridge for existing logging frameworks
- Remove JBossLogger because the latest JBossLogger implementation seems
  to implement SLF4J binding
- Upgrade SLF4J to 1.7.2
- Remove tests for the untestable logging frameworks
- Remove TestAny
2013-01-19 20:50:52 +09:00
Trustin Lee
24acfe7008 Remove io.netty.monitor as discussed in #922 2013-01-18 11:08:57 +09:00
Trustin Lee
337f5bbb8e Automatic diagnosis of resource leaks
Now that we are going to use buffer pooling by default, it is obvious
that a user will forget to call .free() and report memory leak. In this
case, we should have a tool to determine if it is a bug in our allocator
implementation or in the user's code.

This pull request adds a system property flag called
'io.netty.resourceLeakDetection'. If set, when a user forgets to call
.free(), the ResourceLeakDetector will detect it and log a message with
detailed stack trace to tell where the leaked buffer has been allocated.

Because obtaining stack trace is an expensive operation, I used sampling
technique. Allocation is recorded only for every 113th allocation. I
chose 113 because it's a prime number.

In production, a user might not want to enable this option due to
potential performance impact. If a user does not specify the
'-Dio.netty.resourceLeakDetection' option leak detection is disabled.

Even if the leak detection is enabled, the overhead should be less than
5% because only ~1% of allocations are monitored.

I also replaced SharedResourceMisuseDetector with ResourceLeakDetector.
2013-01-15 14:15:27 +09:00
Trustin Lee
04bae9bceb Use sun.misc.Unsafe to access a direct ByteBuffer
- Add PooledUnsafeDirectByteBuf, a variant of PooledDirectByteBuf, which
  accesses its underlying direct ByteBuffer using sun.misc.Unsafe.
- To decouple Netty from sun.misc.*, sun.misc.Unsafe is accessed via
  PlatformDependent.
- This change solely introduces about 8+% improvement in direct memory
  access according to the tests conducted as described in #918
2013-01-11 16:25:12 +09:00
Norman Maurer
e564157381 Fix one checkstyle and one compile error caused by the last commit 2013-01-11 07:45:22 +01:00
Trustin Lee
64ae8b6a37 Replace and merge DetectionUtil and DirectByteBufUtil into PlatformDependent and PlatformDependent0
PlatformDependent delegates the operations requires sun.misc.* to PlatformDependent0 to avoid runtime errors due to missing sun.misc.* classes.
2013-01-11 14:03:27 +09:00
Norman Maurer
5b5b39a606 [#916] Only access Cleaner if it is really present to prevent errors on android 2013-01-10 20:03:54 +01:00
Trustin Lee
eb337ff5a7 Fix various inspection warnings 2013-01-10 15:23:58 +09:00
Courtney Robinson
3a52cc410a Add some of the metrics mentioned in #718
use single static initialization of available metrics monitor registries

* This changes the original implementation to work in a similar way to
how slf4j selects and loads an implementation.
* Uses a single static instance so intialization is done only once.
* Doesn't throw IllegalStateException if multiple implementations are
found on the classpath. It instead selects and uses the first
implementation returned by iterator()
* Class left as an iterable to keep the API the same

add yammer metrics to examples to allow them to publish metrics

publish the number of threads used in an EventLoopGroup see issue #718

* seems like the better place to put this because it sets the default
thread count if the MultithreadEventLoopGroup uses super(0,...)
* It also happens to be the common parent class amongst all the
MultiThreadedEventLoopGroup implementations
* Count is reported for
io.netty.channel.{*,.local,.socket.aio,.socket.nio}

fix cosmetic issues pointed out in pull request and updated notice.txt

see https://github.com/netty/netty/pull/780

count # of channels registered in single threaded event loop

measure how many times Selector.select return before SELECT_TIME
2013-01-04 11:27:49 +01:00
alexey
738d382fbc Added test cases for NetUtil methods, if we can`t convertAddress we return null 2012-12-29 18:31:53 +01:00
Norman Maurer
0fb0037eab Rename IpAddresses to NetUtil 2012-12-29 18:25:32 +01:00
Norman Maurer
5d13c7d27b Merge IPUtil and NetworkConstants into IpAddresses and also make naming of methods consistent 2012-12-29 18:17:33 +01:00
Norman Maurer
213c1e3d23 Replace sun.net.util.IPAddressUtil usage with own implementation 2012-12-29 18:13:44 +01:00
Trustin Lee
85e1684084 Simpler method naming in Timeout 2012-12-26 13:50:01 +09:00
Trustin Lee
6b9f7065a2 Simpler and more comprehensive method naming in monitor 2012-12-26 13:48:29 +09:00
Norman Maurer
7db47dd0d0 Finish javadocs for common module 2012-12-21 08:16:00 +01:00
Trustin Lee
ad10518fca Fix the incorrect snapshot version number 2012-12-13 22:49:31 +09:00
Norman Maurer
85c570505b [maven-release-plugin] prepare for next development iteration 2012-12-03 20:34:05 +01:00
Norman Maurer
17d77ed160 [maven-release-plugin] prepare release netty-4.0.0.Alpha8 2012-12-03 20:33:49 +01:00
Trustin Lee
33c0c89fef Remove unnecessary empty lines 2012-12-03 19:58:13 +09:00
Trustin Lee
818a7b42a3 Fix all Xlint:unchecked warnings 2012-11-30 22:49:51 +09:00
Trustin Lee
81e2db10fa ByteBufAllocator API w/ ByteBuf perf improvements
This commit introduces a new API for ByteBuf allocation which fixes
issue #643 along with refactoring of ByteBuf for simplicity and better
performance. (see #62)

A user can configure the ByteBufAllocator of a Channel via
ChannelOption.ALLOCATOR or ChannelConfig.get/setAllocator().  The
default allocator is currently UnpooledByteBufAllocator.HEAP_BY_DEFAULT.

To allocate a buffer, do not use Unpooled anymore. do the following:

  ctx.alloc().buffer(...); // allocator chooses the buffer type.
  ctx.alloc().heapBuffer(...);
  ctx.alloc().directBuffer(...);

To deallocate a buffer, use the unsafe free() operation:

  ((UnsafeByteBuf) buf).free();

The following is the list of the relevant changes:

- Add ChannelInboundHandler.freeInboundBuffer() and
  ChannelOutboundHandler.freeOutboundBuffer() to let a user free the
  buffer he or she allocated. ChannelHandler adapter classes implement
  is already, so most users won't need to call free() by themselves.
  freeIn/OutboundBuffer() methods are invoked when a Channel is closed
  and deregistered.

- All ByteBuf by contract must implement UnsafeByteBuf. To access an
  unsafe operation: ((UnsafeByteBuf) buf).internalNioBuffer()

- Replace WrappedByteBuf and ByteBuf.Unsafe with UnsafeByteBuf to
  simplify overall class hierarchy and to avoid unnecesary instantiation
  of Unsafe instances on an unsafe operation.

- Remove buffer reference counting which is confusing

- Instantiate SwappedByteBuf lazily to avoid instantiation cost

- Rename ChannelFutureFactory to ChannelPropertyAccess and move common
  methods between Channel and ChannelHandlerContext there. Also made it
  package-private to hide it from a user.

- Remove unused unsafe operations such as newBuffer()

- Add DetectionUtil.canFreeDirectBuffer() so that an allocator decides
  which buffer type to use safely
2012-11-22 15:10:59 +09:00
dantran
4107b08f29 Only generate OSGi manifest only at all-in-on sub module to reduce the complexity to the build 2012-11-19 06:27:18 +01:00
dantran
105f952f5d Clean up maven-bungle-plugin warnings 2012-11-12 11:42:42 +01:00
dantran
e236f5b77d [#154] [#727] Use maven-plugin-plugin to generate OSGi manifest 2012-11-12 09:15:36 +01:00
Trustin Lee
ec7849ac09 Allow '_' in parameter names although discouraged 2012-11-12 13:39:24 +09:00
Trustin Lee
a05064d3eb Fix more inspection warnings + compilation errors 2012-11-12 13:25:00 +09:00
Trustin Lee
36c8eb02e8 Fix parameter namings + some more 2012-11-12 12:59:37 +09:00
Trustin Lee
6f2840193a Fix inspection warnings related with JUnit usage 2012-11-12 12:45:06 +09:00
Trustin Lee
aedf8790c3 Fix various Javadoc issues / Do not use argN parameter names 2012-11-12 12:26:19 +09:00
Trustin Lee
ea4a0e3535 Prefer {@code ...} to <code>...</code> / Fix deprecation warnings 2012-11-12 11:51:23 +09:00
Trustin Lee
d78f5a4f76 Optimize imports / Remove britspace 2012-11-12 09:51:59 +09:00
Trustin Lee
9746bb2036 Make a member field final wherever possible 2012-11-12 09:43:55 +09:00
Trustin Lee
4dce19b814 Replace a variable with a constant wherever possible 2012-11-12 09:43:14 +09:00
Trustin Lee
aa7cd691df Remove redundant 'else' branches. 2012-11-12 09:31:40 +09:00
Trustin Lee
91a61d7f43 Remove unnecessary qualifiers 2012-11-12 09:11:48 +09:00
Trustin Lee
61d872d6e2 Suppress false-positive inspection warnings / 2012-11-12 09:05:16 +09:00
Trustin Lee
a07fb94fe7 Prefer "str".equals(var) to var.equals("str") / Add proper null checks 2012-11-12 08:59:54 +09:00
Trustin Lee
5d45880b9e Fix a failing test
There's practically no way to test if the detected localhost is good if the user's environment is broken.
2012-11-10 08:50:21 +09:00
Trustin Lee
250c2545e6 Fix a compilation error (sorry!) 2012-11-10 08:48:00 +09:00
Trustin Lee
0b30bf613d More robust localhost resolution
Ensure the resolved localhost can be bound and connected actually
2012-11-10 08:45:07 +09:00
Trustin Lee
b4f796c5e3 Use 'x' over "x" wherever possible / String.equals("") -> isEmpty() 2012-11-10 08:03:52 +09:00
Trustin Lee
f77f13faf0 Make classes static wherever possible 2012-11-10 07:32:53 +09:00
Trustin Lee
c77bac44a2 Fix unchecked warnings 2012-11-10 07:29:14 +09:00
Trustin Lee
23883d25ee Remove various unnecessary qualifiers 2012-11-10 07:03:07 +09:00
Trustin Lee
958d04a42b Remove redundant throws clauses / Suppress inspections for some false positives 2012-11-10 06:47:59 +09:00
Trustin Lee
a5a19efb4b Remove unnecessary this, parenthesis, and semicolons 2012-11-10 02:27:33 +09:00