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Akka v0.7 live release
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# Contributing to Akka.NET | ||
Akka.NET is a large project and contributions are more than welcome, so thank you for wanting to contribute to Akka.NET! | ||
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--- | ||
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### Checklist before creating a Pull Request | ||
Submit only relevant commits. We don't mind many commits in a pull request, but they must be relevant as explained below. | ||
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- __Use a feature branch__ The pull request should be created from a feature branch, and not from _dev_. See below for why. | ||
- __No merge-commits__ | ||
If you have commits that looks like this _"Merge branch 'my-branch' into dev"_ or _"Merge branch 'dev' of github .com/akkadotnet/akka.net into dev"_ you're probaly using merge instead of [rebase](https://help.github.com/articles/about-git-rebase) locally. See below on _Handling updates from upstream_. | ||
- __Squash commits__ Often we create temporary commits like _"Started implementing feature x"_ and then _"Did a bit more on feature x"_. Squash these commits together using [interactive rebase](https://help.github.com/articles/about-git-rebase). Also see [Squashing commits with rebase](http://gitready.com/advanced/2009/02/10/squashing-commits-with-rebase.html). | ||
- __Descriptive commit messages__ If a commit's message isn't descriptive, change it using [interactive rebase](https://help.github.com/articles/about-git-rebase). Refer to issues using `#issue`. Example of a bad message ~~"Small cleanup"~~. Example of good message: _"Removed Security.Claims header from FSM, which broke Mono build per #62"_. Don't be afraid to write long messages, if needed. Try to explain _why_ you've done the changes. The Erlang repo has some info on [writing good commit messages](https://github.com/erlang/otp/wiki/Writing-good-commit-messages). | ||
- __No one-commit-to-rule-them-all__ Large commits that changes too many things at the same time are very hard to review. Split large commits into smaller. See this [StackOverflow question](http://stackoverflow.com/questions/6217156/break-a-previous-commit-into-multiple-commits) for informatin on how to do this. | ||
- __Tests__ Add relevant tests and make sure all existing ones still passes. Tests can be run using the command | ||
- __No Warnings__ Make sure your code do not produce any build warnings. | ||
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After reviewing a Pull request, we might ask you to fix some commits. After you've done that you need to force push to update your branch in your local fork. | ||
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--- | ||
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### Getting started | ||
Make sure you have a [GitHub](https://github.com/) account. | ||
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- Fork, clone, add upstream to the Akka.NET repository. See [Fork a repo](https://help.github.com/articles/fork-a-repo) for more detailed instructions or follow the instructions below. | ||
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- Fork by clicking _Fork_ on https://github.com/akkadotnet/akka.net | ||
- Clone your fork locally. | ||
``` | ||
git clone https://github.com/YOUR-USERNAME/akka.net | ||
``` | ||
- Add an upstream remote. | ||
``` | ||
git remote add upstream https://github.com/akkadotnet/akka.net | ||
``` | ||
You now have two remotes: _upstream_ points to https://github.com/akkadotnet/akka.net, and _origin_ points to your fork on GitHub. | ||
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- Make changes. See below. | ||
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Unsure where to start? Issues marked with [_up for grabs_](https://github.com/akkadotnet/akka.net/labels/up%20for%20grabs) are things we want help with. | ||
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See also: [Contributing to Open Source on GitHub](https://guides.github.com/activities/contributing-to-open-source/) | ||
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New to Git? See https://help.github.com/articles/what-are-other-good-resources-for-learning-git-and-github | ||
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### Making changes | ||
__Never__ work directly on _dev_ or _master_ and you should never send a pull request from master - always from a feature branch created by you. | ||
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- Pick an [issue](https://github.com/akkadotnet/akka.net/issues). If no issue exists (search first) create one. | ||
- Get any changes from _upstream_. | ||
``` | ||
git checkout dev | ||
git fetch upstream | ||
git merge --ff-only upstream/dev | ||
git push origin dev #(optional) this makes sure dev in your own fork on GitHub is up to date | ||
``` | ||
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See https://help.github.com/articles/fetching-a-remote for more info | ||
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- Create a new feature branch. It's important that you do your work on your own branch and that it's created off of _dev_. Tip: Give it a descriptive name and include the issue number, e.g. `implement-testkits-eventfilter-323` or `295-implement-tailchopping-router`, so that others can see what is being worked on. | ||
``` | ||
git checkout -b my-new-branch-123 | ||
``` | ||
- Work on your feature. Commit. | ||
- Rebase often, see below. | ||
- Make sure you adhere to _Checklist before creating a Pull Request_ described above. | ||
- Push the branch to your fork on GitHub | ||
``` | ||
git push origin my-new-branch-123 | ||
``` | ||
- Send a Pull Request, see https://help.github.com/articles/using-pull-requests to the _dev_ branch. | ||
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See also: [Understanding the GitHub Flow](https://guides.github.com/introduction/flow/) (we're using `dev` as our master branch) | ||
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### Handling updates from upstream | ||
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While you're working away in your branch it's quite possible that your upstream _dev_ may be updated. If this happens you should: | ||
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- [Stash](http://git-scm.com/book/en/Git-Tools-Stashing) any un-committed changes you need to | ||
``` | ||
git stash | ||
``` | ||
- Update your local _dev_ by fetching from _upstream_ | ||
``` | ||
git checkout dev | ||
git fetch upstream | ||
git merge --ff-only upstream/dev | ||
``` | ||
- Rebase your feature branch on _dev_. See [Git Branching - Rebasing](http://git-scm.com/book/en/Git-Branching-Rebasing) for more info on rebasing | ||
``` | ||
git checkout my-new-branch-123 | ||
git rebase dev | ||
git push origin dev #(optional) this makes sure dev in your own fork on GitHub is up to date | ||
``` | ||
This ensures that your history is "clean" i.e. you have one branch off from _dev_ followed by your changes in a straight line. Failing to do this ends up with several "messy" merges in your history, which we don't want. This is the reason why you should always work in a branch and you should never be working in, or sending pull requests from _dev_. | ||
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If you're working on a long running feature then you may want to do this quite often, rather than run the risk of potential merge issues further down the line. | ||
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### Making changes to a Pull request | ||
If you realize you've missed something after submitting a Pull request, just commit to your local branch and push the branch just like you did the first time. This commit wil automatically be included in the Pull request. | ||
If we ask you to change already published commits using interactive reabse (like squashing or splitting commits or rewriting commit messages) you need to force push using `-f`: | ||
``` | ||
git push -f origin my-new-branch-123 | ||
``` | ||
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### All my commits are on dev. How do I get them to a new branch? ### | ||
If all commits are on _dev_ you need to move them to a new feature branch. | ||
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You can rebase your local _dev_ on _upstream/dev_ (to remove any merge commits), rename it, and recreate _dev_ | ||
``` | ||
git checkout dev | ||
git rebase upstream/dev | ||
git branch -m my-new-branch-123 | ||
git branch dev upstream/dev | ||
``` | ||
Or you can create a new branch off of _dev_ and then cherry pick the commits | ||
``` | ||
git checkout -b my-new-branch-123 upstream/dev | ||
git cherry-pick rev #rev is the revisions you want to pick | ||
git cherry-pick rev #repeat until you have picked all commits | ||
git branch -m dev old-dev #rename dev | ||
git branch dev upstream/dev #create a new dev | ||
``` | ||
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## Code guidelines | ||
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See [Contributor Guidelines](http://akkadotnet.github.io/wiki/Contributor%20guidelines) on the wiki. | ||
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--- | ||
Props to [NancyFX](https://github.com/NancyFx/Nancy) from which we've "borrowed" some of this text. |
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#### 0.7.0 Oct 16 2014 | ||
Major new changes and additions in this release, including some breaking changes... | ||
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__Akka.Cluster__ Support (pre-release) - Akka.Cluster is now available on NuGet as a pre-release package (has a `-pre` suffix) and is available for testing. After installing the the Akka.Cluster module you can add take advantage of clustering via configuration, like so: | ||
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akka { | ||
actor { | ||
provider = "Akka.Cluster.ClusterActorRefProvider, Akka.Cluster" | ||
} | ||
remote { | ||
log-remote-lifecycle-events = DEBUG | ||
helios.tcp { | ||
hostname = "127.0.0.1" | ||
port = 0 | ||
} | ||
} | ||
cluster { | ||
seed-nodes = [ | ||
"akka.tcp://[email protected]:2551", | ||
"akka.tcp://[email protected]:2552"] | ||
auto-down-unreachable-after = 10s | ||
} | ||
} | ||
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And then use cluster-enabled routing on individual, named routers: | ||
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/myAppRouter { | ||
router = consistent-hashing-pool | ||
nr-of-instances = 100 | ||
cluster { | ||
enabled = on | ||
max-nr-of-instances-per-node = 3 | ||
allow-local-routees = off | ||
use-role = backend | ||
} | ||
} | ||
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For more information on how clustering works, please see https://github.com/akkadotnet/akka.net/pull/400 | ||
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__Breaking Changes: Improved Stashing__ - The old `WithUnboundedStash` and `WithBoundedStash` interfaces have been slightly changed and the `CurrentStash` property has been renamed to `Stash`. Any old stashing code can be replaced with the following in order to continue working: | ||
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public IStash CurrentStash { get { return Stash; } set { Stash=value; } } | ||
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The `Stash` field is now automatically populated with an appropriate stash during the actor creation process and there is no need to set this field at all yourself. | ||
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__Breaking Changes: Renamed Logger Namespaces__ - The namespaces, DLL names, and NuGet packages for all logger add-ons have been changed to `Akka.Loggers.Xyz`. Please install the latest NuGet package (and uninstall the old ones) and update your Akka HOCON configurations accordingly. | ||
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__Serilog Support__ - Akka.NET now has an official [Serilog](http://serilog.net/) logger that you can install via the `Akka.Logger.Serilog` package. You can register the serilog logger via your HOCON configuration like this: | ||
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loggers=["Akka.Logger.Serilog.SerilogLogger, Akka.Logger.Serilog"] | ||
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__New Feature: Priority Mailbox__ - The `PriorityMailbox` allows you to define the priority of messages handled by your actors, and this is done by creating your own subclass of either the `UnboundedPriorityMailbox` or `BoundedPriorityMailbox` class and implementing the `PriorityGenerator` method like so: | ||
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public class ReplayMailbox : UnboundedPriorityMailbox | ||
{ | ||
protected override int PriorityGenerator(object message) | ||
{ | ||
if (message is HttpResponseMessage) return 1; | ||
if (!(message is LoggedHttpRequest)) return 2; | ||
return 3; | ||
} | ||
} | ||
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The smaller the return value from the `PriorityGenerator`, the higher the priority of the message. You can then configure your actors to use this mailbox via configuration, using a fully-qualified name: | ||
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replay-mailbox { | ||
mailbox-type: "TrafficSimulator.PlaybackApp.Actors.ReplayMailbox,TrafficSimulator.PlaybackApp" | ||
} | ||
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And from this point onward, any actor can be configured to use this mailbox via `Props`: | ||
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Context.ActorOf(Props.Create<ReplayActor>() | ||
.WithRouter(new RoundRobinPool(3)) | ||
.WithMailbox("replay-mailbox")); | ||
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__New Feature: Test Your Akka.NET Apps Using Akka.TestKit__ - We've refactored the testing framework used for testing Akka.NET's internals into a test-framework-agnostic NuGet package you can use for unit and integration testing your own Akka.NET apps. Right now we're scarce on documentation so you'll want to take a look at the tests inside the Akka.NET source for reference. | ||
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Right now we have Akka.TestKit adapters for both MSTest and XUnit, which you can install to your own project via the following: | ||
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MSTest: | ||
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install-package Akka.TestKit.VsTest | ||
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XUnit: | ||
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install-package Akka.TestKit.Xunit | ||
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#### 0.6.5 | ||
* Logging to Standard Out is now done in color. To disable it set `StandardOutLogger.UseColors = false;`. | ||
Colors can be customized: `StandardOutLogger.DebugColor = ConsoleColor.Green;`. | ||
If you need to print to stdout use `Akka.Util.StandardOutWriter.Write()` instead of `Console.WriteLine`, otherwise your messages might get printed in the wrong color. | ||
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#### 0.6.4 Sep 9 2014 | ||
* Introduced `TailChoppingRouter` | ||
* All `ActorSystem` extensions now take an `ExtendedActorSystem` as a dependency - all thirdy party actor system extensions will need to update accordingly. | ||
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* Added ReceiveBuilder support | ||
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#### 0.2.1-beta Mars 22 2014 | ||
* Nuget package | ||
* Nuget package |
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@echo off | ||
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pushd %~dp0 | ||
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src\.nuget\NuGet.exe update -self | ||
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src\.nuget\NuGet.exe install FAKE -OutputDirectory src\packages -ExcludeVersion -Version 2.10.24 | ||
src\.nuget\NuGet.exe install FAKE -OutputDirectory src\packages -ExcludeVersion -Version 3.4.1 | ||
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src\.nuget\NuGet.exe install xunit.runners -OutputDirectory src\packages\FAKE -ExcludeVersion -Version 1.9.2 | ||
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if not exist src\packages\SourceLink.Fake\tools\SourceLink.fsx ( | ||
src\.nuget\nuget.exe install SourceLink.Fake -OutputDirectory src\packages -ExcludeVersion | ||
) | ||
cls | ||
rem cls | ||
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set encoding=utf-8 | ||
src\packages\FAKE\tools\FAKE.exe build.fsx %* | ||
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popd | ||
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