From 1e0c611290cdeab4cf263de4f62f99dd125ba428 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Tue, 8 Apr 2025 16:03:34 +0200
Subject: Log on file

---
 .gitignore                  |  1 +
 go.mod                      |  1 +
 go.sum                      |  2 ++
 internal/network/network.go | 29 +++++++++++++++++++++++++++--
 4 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 35cce1c..8163593 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .rahannarc
+*.log
diff --git a/go.mod b/go.mod
index 904a85a..c3ec2c3 100644
--- a/go.mod
+++ b/go.mod
@@ -13,6 +13,7 @@ require (
 	go.uber.org/zap v1.27.0
 	golang.org/x/crypto v0.32.0
 	golang.org/x/term v0.28.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gorm.io/driver/postgres v1.5.11
 	gorm.io/gorm v1.25.12
 )
diff --git a/go.sum b/go.sum
index f7d7423..085824c 100644
--- a/go.sum
+++ b/go.sum
@@ -99,6 +99,8 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/internal/network/network.go b/internal/network/network.go
index 8283993..efd7dc6 100644
--- a/internal/network/network.go
+++ b/internal/network/network.go
@@ -9,6 +9,8 @@ import (
 	"time"
 
 	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
 )
 
 var logger *zap.Logger
@@ -53,13 +55,35 @@ func NewTCPNetwork(localID, localIP string, localPort int) *TCPNetwork {
 		retryDelay:  2 * time.Second,
 	}
 
+	n.setupLogger("rahanna-network.log")
 	go n.startServer()
 
-	logger, _ = zap.NewProduction()
-
 	return n
 }
 
+func (n *TCPNetwork) setupLogger(logFile string) {
+	cfg := zap.NewProductionConfig()
+	cfg.OutputPaths = []string{logFile}
+	cfg.ErrorOutputPaths = []string{logFile}
+
+	// Configure lumberjack for log rotation
+	lumberjackLogger := &lumberjack.Logger{
+		Filename:   logFile,
+		MaxSize:    100, // megabytes
+		MaxBackups: 5,
+		MaxAge:     30, // days
+		Compress:   true,
+	}
+
+	core := zapcore.NewCore(
+		zapcore.NewJSONEncoder(cfg.EncoderConfig),
+		zapcore.AddSync(lumberjackLogger), // Log only to the file via lumberjack
+		cfg.Level,
+	)
+
+	logger = zap.New(core)
+}
+
 // Add a new peer connection to the local peer
 func (n *TCPNetwork) AddPeer(remoteID string, remoteIP string, remotePort int) {
 	go n.retryConnect(remoteID, remoteIP, remotePort)
@@ -71,6 +95,7 @@ func (n *TCPNetwork) startServer() {
 	listener, err := net.Listen("tcp", address)
 	if err != nil {
 		logger.Sugar().Errorf("failed to start server: %v", err)
+		return
 	}
 	n.listener = listener
 	logger.Sugar().Infof("server started on %s\n", address)
-- 
cgit v1.2.3-18-g5258