From 69ed492679ba75d493ed13a5bd174d0d1ee6f5a1 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Mon, 24 Oct 2022 22:07:44 +0800
Subject: [PATCH] =?UTF-8?q?:recycle:=20=E6=A1=8C=E9=9D=A2=E7=AB=AF?=
 =?UTF-8?q?=E5=86=85=E6=A0=B8=E8=BF=9B=E7=A8=8B=E7=AB=AF=E5=8F=A3=E5=8F=B7?=
 =?UTF-8?q?=E5=86=99=E5=85=A5=E6=96=87=E4=BB=B6=20`port.json`=20https://gi?=
 =?UTF-8?q?thub.com/siyuan-note/siyuan/issues/6337?=
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---
 kernel/server/serve.go | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/kernel/server/serve.go b/kernel/server/serve.go
index 346a839e2..cee2aee03 100644
--- a/kernel/server/serve.go
+++ b/kernel/server/serve.go
@@ -17,6 +17,7 @@
 package server
 
 import (
+	"fmt"
 	"net"
 	"net/http"
 	"net/http/pprof"
@@ -94,7 +95,12 @@ func Serve(fastMode bool) {
 		}
 	}
 
-	logging.LogInfof("kernel is booting [%s]", "http://"+host+":"+port)
+	pid := fmt.Sprintf("%d", os.Getpid())
+	if !fastMode {
+		rewritePortJSON(pid, port)
+	}
+
+	logging.LogInfof("kernel [pid=%s] is booting [%s]", pid, "http://"+host+":"+port)
 	util.HttpServing = true
 
 	if err = http.Serve(ln, ginServer); nil != err {
@@ -105,6 +111,33 @@ func Serve(fastMode bool) {
 	}
 }
 
+func rewritePortJSON(pid, port string) {
+	portJSON := filepath.Join(util.HomeDir, ".config", "siyuan", "port.json")
+	pidPorts := map[string]string{}
+	var data []byte
+	var err error
+
+	if gulu.File.IsExist(portJSON) {
+		data, err = os.ReadFile(portJSON)
+		if nil != err {
+			logging.LogWarnf("read port.json failed: %s", err)
+		} else {
+			if err = gulu.JSON.UnmarshalJSON(data, &pidPorts); nil != err {
+				logging.LogWarnf("unmarshal port.json failed: %s", err)
+			}
+		}
+	}
+
+	pidPorts[pid] = port
+	if data, err = gulu.JSON.MarshalIndentJSON(pidPorts, "", "  "); nil != err {
+		logging.LogWarnf("marshal port.json failed: %s", err)
+	} else {
+		if err = os.WriteFile(portJSON, data, 0644); nil != err {
+			logging.LogWarnf("write port.json failed: %s", err)
+		}
+	}
+}
+
 func serveExport(ginServer *gin.Engine) {
 	ginServer.Static("/export/", filepath.Join(util.TempDir, "export"))
 }