feat: support adding a logger to connection object

Signed-off-by: Chris Gianelloni <wolf31o2@blinklabs.io>

connection.go

@@ -27,6 +27,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log/slog"
 	"net"
 	"sync"
 	"time"
@@ -59,6 +60,7 @@ type Connection struct {
 	networkMagic          uint32
 	server                bool
 	useNodeToNodeProto    bool
+	logger                *slog.Logger
 	muxer                 *muxer.Muxer
 	errorChan             chan error
 	protoErrorChan        chan error

connection_options.go

@@ -1,4 +1,4 @@
-// Copyright 2023 Blink Labs Software
+// Copyright 2024 Blink Labs Software
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -15,6 +15,7 @@
 package ouroboros
 
 import (
+	"log/slog"
 	"net"
 
 	"github.com/blinklabs-io/gouroboros/protocol/blockfetch"
@@ -66,6 +67,13 @@ func WithServer(server bool) ConnectionOptionFunc {
 	}
 }
 
+// WithLogger specifies the slog.Logger to use. This is empty by default
+func WithLogger(logger *slog.Logger) ConnectionOptionFunc {
+	return func(c *Connection) {
+		c.logger = logger
+	}
+}
+
 // WithNodeToNode specifies whether to use the node-to-node protocol. The default is to use node-to-client
 func WithNodeToNode(nodeToNode bool) ConnectionOptionFunc {
 	return func(c *Connection) {