aboutsummaryrefslogtreecommitdiff
path: root/forged/internal/ipc/irc/bot.go
diff options
context:
space:
mode:
Diffstat (limited to 'forged/internal/ipc/irc/bot.go')
-rw-r--r--forged/internal/ipc/irc/bot.go170
1 files changed, 0 insertions, 170 deletions
diff --git a/forged/internal/ipc/irc/bot.go b/forged/internal/ipc/irc/bot.go
deleted file mode 100644
index 07008ae..0000000
--- a/forged/internal/ipc/irc/bot.go
+++ /dev/null
@@ -1,170 +0,0 @@
-// SPDX-License-Identifier: AGPL-3.0-only
-// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
-
-package irc
-
-import (
- "context"
- "crypto/tls"
- "fmt"
- "log/slog"
- "net"
-
- "go.lindenii.runxiyu.org/forge/forged/internal/common/misc"
-)
-
-// Bot represents an IRC bot client that handles events and allows for sending messages.
-type Bot struct {
- // TODO: Use each config field instead of embedding Config here.
- config *Config
- ircSendBuffered chan string
- ircSendDirectChan chan misc.ErrorBack[string]
-}
-
-// NewBot creates a new Bot instance using the provided configuration.
-func NewBot(c *Config) (b *Bot) {
- b = &Bot{
- config: c,
- } //exhaustruct:ignore
- return
-}
-
-// Connect establishes a new IRC session and starts handling incoming and outgoing messages.
-// This method blocks until an error occurs or the connection is closed.
-func (b *Bot) Connect(ctx context.Context) error {
- var err error
- var underlyingConn net.Conn
- if b.config.TLS {
- dialer := tls.Dialer{} //exhaustruct:ignore
- underlyingConn, err = dialer.DialContext(ctx, b.config.Net, b.config.Addr)
- } else {
- dialer := net.Dialer{} //exhaustruct:ignore
- underlyingConn, err = dialer.DialContext(ctx, b.config.Net, b.config.Addr)
- }
- if err != nil {
- return fmt.Errorf("dialing irc: %w", err)
- }
- defer func() {
- _ = underlyingConn.Close()
- }()
-
- conn := NewConn(underlyingConn)
-
- logAndWriteLn := func(s string) (n int, err error) {
- slog.Debug("irc tx", "line", s)
- return conn.WriteString(s + "\r\n")
- }
-
- _, err = logAndWriteLn("NICK " + b.config.Nick)
- if err != nil {
- return err
- }
- _, err = logAndWriteLn("USER " + b.config.User + " 0 * :" + b.config.Gecos)
- if err != nil {
- return err
- }
-
- readLoopError := make(chan error)
- writeLoopAbort := make(chan struct{})
- go func() {
- for {
- select {
- case <-writeLoopAbort:
- return
- default:
- }
-
- msg, line, err := conn.ReadMessage()
- if err != nil {
- readLoopError <- err
- return
- }
-
- slog.Debug("irc rx", "line", line)
-
- switch msg.Command {
- case "001":
- _, err = logAndWriteLn("JOIN #chat")
- if err != nil {
- readLoopError <- err
- return
- }
- case "PING":
- _, err = logAndWriteLn("PONG :" + msg.Args[0])
- if err != nil {
- readLoopError <- err
- return
- }
- case "JOIN":
- c, ok := msg.Source.(Client)
- if !ok {
- slog.Error("unable to convert source of JOIN to client")
- }
- if c.Nick != b.config.Nick {
- continue
- }
- default:
- }
- }
- }()
-
- for {
- select {
- case err = <-readLoopError:
- return err
- case line := <-b.ircSendBuffered:
- _, err = logAndWriteLn(line)
- if err != nil {
- select {
- case b.ircSendBuffered <- line:
- default:
- slog.Error("unable to requeue message", "line", line)
- }
- writeLoopAbort <- struct{}{}
- return err
- }
- case lineErrorBack := <-b.ircSendDirectChan:
- _, err = logAndWriteLn(lineErrorBack.Content)
- lineErrorBack.ErrorChan <- err
- if err != nil {
- writeLoopAbort <- struct{}{}
- return err
- }
- }
- }
-}
-
-// SendDirect sends an IRC message directly to the connection and bypasses
-// the buffering system.
-func (b *Bot) SendDirect(line string) error {
- ech := make(chan error, 1)
-
- b.ircSendDirectChan <- misc.ErrorBack[string]{
- Content: line,
- ErrorChan: ech,
- }
-
- return <-ech
-}
-
-// Send queues a message to be sent asynchronously via the buffered send queue.
-// If the queue is full, the message is dropped and an error is logged.
-func (b *Bot) Send(line string) {
- select {
- case b.ircSendBuffered <- line:
- default:
- slog.Error("irc sendq full", "line", line)
- }
-}
-
-// ConnectLoop continuously attempts to maintain an IRC session.
-// If the connection drops, it automatically retries with no delay.
-func (b *Bot) ConnectLoop(ctx context.Context) {
- b.ircSendBuffered = make(chan string, b.config.SendQ)
- b.ircSendDirectChan = make(chan misc.ErrorBack[string])
-
- for {
- err := b.Connect(ctx)
- slog.Error("irc session error", "error", err)
- }
-}