diff options
Diffstat (limited to 'forged/internal/ipc/irc/bot.go')
-rw-r--r-- | forged/internal/ipc/irc/bot.go | 170 |
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) - } -} |