101 lines
3.9 KiB
Markdown
101 lines
3.9 KiB
Markdown
# Chihaya [](https://travis-ci.org/pushrax/chihaya)
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Chihaya is a high-performance [BitTorrent tracker](http://en.wikipedia.org/wiki/BitTorrent_tracker)
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written in the Go programming language. It is still heavily under development and should not be used
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in production. Some of the planned features include.
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- Low resource consumption
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- *Fast* request processing
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- Maximum compatibility with what exists of the BitTorrent spec
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- Correct IPv6 support
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- A generic storage interfaces that is easily adapted to use any data store and web application
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- Scaling properties that directly correlate with those of the chosen data stores
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## Architecture
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You are most likely looking to integrate Chihaya with a web application for organizing torrents
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and managing a community. Chihaya was designed with this in mind, but also tries to remain
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independent. Chihaya connects to two data stores. The first, known as "cache", is used between
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Chihaya processes in order to keep up with fast changing data. The second, known as "storage",
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is your web application's data store. Changes immediately take place in the cache, which is why
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fast data stores are recommended. These changes are also collected and periodically applied to the
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storage in order to avoid locking up your web application's data store.
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## Installing
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Make sure you have your $GOROOT and $GOPATH set up correctly and have your $GOBIN on your $PATH.
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```sh
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$ go install github.com/pushrax/chihaya
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```
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## Testing
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```sh
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$ export TESTCONFIGPATH=$GOPATH/src/chihaya/config/example.json
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$ go get github.com/pushrax/chihaya
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$ go test -v ./...
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```
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## Configuring
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Configuration is done in a JSON formatted file specified with the `-config`
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flag. An example configuration can be seen in the `exampleConfig` variable of
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[`config/config_test.go`](https://github.com/pushrax/chihaya/blob/master/config/config_test.go).
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## Default drivers
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### Cache
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Chihaya currently supports drivers for the following caches out of the box:
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* [redis](http://redis.io)
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### Storage
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Chihaya currently supports drivers for the following storages out of the box:
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* [batter-postgres](https://github.com/wafflesfm/batter)
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## Custom drivers
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Please read the documentation and understand these interfaces as there are
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assumptions made about thread-safety. After you've implemented a new driver,
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all you have to do is remember to add `import _ path/to/your/package` to the
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top of `main.go` and the side effects from `init()` will globally register
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your driver so that config package will recognize your driver by name.
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If you're writing a driver for a popular data store, consider contributing it.
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### Cache
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The [`cache`] package is heavily inspired by the standard library's
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[`database/sql`] package. To write a new cache backend, create a new Go
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package that has an implementation of the [`Pool`], [`Tx`], and [`Driver`]
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interfaces. Within that package, you must also define an [`init()`] that calls
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[`cache.Register`].
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[`cache`]: http://godoc.org/github.com/pushrax/chihaya/cache
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[`database/sql`]: http://godoc.org/database/sql
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[`Pool`]: http://godoc.org/github.com/pushrax/chihaya/cache#Pool
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[`Tx`]: http://godoc.org/github.com/pushrax/chihaya/cache#Tx
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[`Driver`]: http://godoc.org/github.com/pushrax/chihaya/cache#Driver
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[`init()`]: http://golang.org/ref/spec#Program_execution
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[`cache.Register`]: http://godoc.org/github.com/pushrax/chihaya/cache#Register
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### Storage
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TODO
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## Contributing
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If you're interested in contributing, please contact us in **[#chihaya] on
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[freenode IRC]** or post to the GitHub issue tracker. Please don't offer
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massive pull requests with no prior communication attempts as it will most
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likely lead to confusion and time wasted for everyone. However, small
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unannounced fixes are always welcome.
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[#chihaya]: http://webchat.freenode.net?channels=chihaya
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[freenode IRC]: http://freenode.net
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And remember: good gophers always use gofmt!
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