mirror of https://github.com/fluffle/goirc
121 lines
4.0 KiB
Markdown
121 lines
4.0 KiB
Markdown
[](https://travis-ci.org/fluffle/goirc)
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GoIRC Client Framework
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======================
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### Acquiring and Building
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Pretty simple, really:
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go get github.com/fluffle/goirc/client
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There is some example code that demonstrates usage of the library in `client.go`. This will connect to freenode and join `#go-nuts` by default, so be careful ;-)
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See `fix/goirc.go` and the README there for a quick way to migrate from the
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old `go1` API.
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### Using the framework
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Synopsis:
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```go
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package main
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import (
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"crypto/tls"
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"fmt"
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irc "github.com/fluffle/goirc/client"
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)
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func main() {
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// Creating a simple IRC client is simple.
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c := irc.SimpleClient("nick")
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// Or, create a config and fiddle with it first:
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cfg := irc.NewConfig("nick")
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cfg.SSL = true
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cfg.SSLConfig = &tls.Config{ServerName: "irc.freenode.net"}
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cfg.Server = "irc.freenode.net:7000"
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cfg.NewNick = func(n string) string { return n + "^" }
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c = irc.Client(cfg)
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// Add handlers to do things here!
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// e.g. join a channel on connect.
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c.HandleFunc(irc.CONNECTED,
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func(conn *irc.Conn, line *irc.Line) { conn.Join("#channel") })
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// And a signal on disconnect
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quit := make(chan bool)
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c.HandleFunc(irc.DISCONNECTED,
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func(conn *irc.Conn, line *irc.Line) { quit <- true })
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// Tell client to connect.
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if err := c.Connect(); err != nil {
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fmt.Printf("Connection error: %s\n", err.Error())
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}
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// With a "simple" client, set Server before calling Connect...
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c.Config().Server = "irc.freenode.net"
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// ... or, use ConnectTo instead.
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if err := c.ConnectTo("irc.freenode.net"); err != nil {
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fmt.Printf("Connection error: %s\n", err.Error())
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}
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// Wait for disconnect
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<-quit
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}
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```
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The test client provides a good (if basic) example of how to use the framework.
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Reading `client/handlers.go` gives a more in-depth look at how handlers can be
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written. Commands to be sent to the server (e.g. PRIVMSG) are methods of the
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main `*Conn` struct, and can be found in `client/commands.go` (not all of the
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possible IRC commands are implemented yet). Events are produced directly from
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the messages from the IRC server, so you have to handle e.g. "332" for
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`RPL_TOPIC` to get the topic for a channel.
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The vast majority of handlers implemented within the framework deal with state
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tracking of all nicks in any channels that the client is also present in. These
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handlers are in `client/state_handlers.go`. State tracking is optional, disabled
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by default, and can be enabled and disabled by calling `EnableStateTracking()`
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and `DisableStateTracking()` respectively. Doing this while connected to an IRC
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server will probably result in an inconsistent state and a lot of warnings to
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STDERR ;-)
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### Misc.
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Sorry the documentation is crap. Use the source, Luke.
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[Feedback](mailto:a.bramley@gmail.com) on design decisions is welcome. I am
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indebted to Matt Gruen for his work on
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[go-bot](http://code.google.com/p/go-bot/source/browse/irc.go) which inspired
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the re-organisation and channel-based communication structure of `*Conn.send()`
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and `*Conn.recv()`. I'm sure things could be more asynchronous, still.
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This code is (c) 2009-15 Alex Bramley, and released under the same licence terms
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as Go itself.
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Contributions gratefully received from:
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- [3onyc](https://github.com/3onyc)
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- [bramp](https://github.com/bramp)
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- [cgt](https://github.com/cgt)
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- [iopred](https://github.com/iopred)
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- [Krayons](https://github.com/Krayons)
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- [StalkR](https://github.com/StalkR)
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- [sztanpet](https://github.com/sztanpet)
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- [wathiede](https://github.com/wathiede)
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- [scrapbird](https://github.com/scrapbird)
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- [soul9](https://github.com/soul9)
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- [jakebailey](https://github.com/jakebailey)
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- [stapelberg](https://github.com/stapelberg)
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- [shammash](https://github.com/shammash)
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And thanks to the following for minor doc/fix PRs:
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- [tmcarr](https://github.com/tmcarr)
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- [Gentux](https://github.com/Gentux)
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- [kidanger](https://github.com/kidanger)
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- [ripcurld00d](https://github.com/ripcurld00d)
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- [gundalow](https://github.com/gundalow)
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