From 341baf69ded49f7ef4b646ccffacc1028bc51415 Mon Sep 17 00:00:00 2001
From: Alireza Ahmadi <alireza7@gmail.com>
Date: Thu, 6 Jun 2024 23:01:48 +0200
Subject: [PATCH] [log] display logs

---
 backend/api/api.go                   |  6 ++
 backend/service/server.go            | 24 +++++++
 frontend/src/components/Main.vue     | 40 +++++++++++-
 frontend/src/layouts/modals/Logs.vue | 94 ++++++++++++++++++++++++++++
 4 files changed, 161 insertions(+), 3 deletions(-)
 create mode 100644 frontend/src/layouts/modals/Logs.vue

diff --git a/backend/api/api.go b/backend/api/api.go
index 5ba3b33..cbf2c03 100644
--- a/backend/api/api.go
+++ b/backend/api/api.go
@@ -151,6 +151,12 @@ func (a *APIHandler) getHandler(c *gin.Context) {
 	case "onlines":
 		onlines, err := a.StatsService.GetOnlines()
 		jsonObj(c, onlines, err)
+	case "logs":
+		service := c.Query("s")
+		count := c.Query("c")
+		level := c.Query("l")
+		logs := a.ServerService.GetLogs(service, count, level)
+		jsonObj(c, logs, nil)
 	default:
 		jsonMsg(c, "API call", nil)
 	}
diff --git a/backend/service/server.go b/backend/service/server.go
index 73074c7..e4a92fd 100644
--- a/backend/service/server.go
+++ b/backend/service/server.go
@@ -1,10 +1,13 @@
 package service
 
 import (
+	"bytes"
 	"os"
+	"os/exec"
 	"runtime"
 	"s-ui/config"
 	"s-ui/logger"
+	"strconv"
 	"strings"
 
 	"github.com/shirou/gopsutil/v3/cpu"
@@ -135,3 +138,24 @@ func (s *ServerService) GetSystemInfo() map[string]interface{} {
 
 	return info
 }
+
+func (s *ServerService) GetLogs(service string, count string, level string) []string {
+	c, _ := strconv.Atoi(count)
+	var lines []string
+	if service == "sing-box" {
+		cmdArgs := []string{"journalctl", "-u", service, "--no-pager", "-n", count, "-p", level}
+		// Run the command
+		cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
+		var out bytes.Buffer
+		cmd.Stdout = &out
+		err := cmd.Run()
+		if err != nil {
+			return []string{"Failed to run journalctl command!"}
+		}
+		lines = strings.Split(out.String(), "\n")
+	} else {
+		lines = logger.GetLogs(c, level)
+	}
+
+	return lines
+}
diff --git a/frontend/src/components/Main.vue b/frontend/src/components/Main.vue
index 103acb2..a9052b3 100644
--- a/frontend/src/components/Main.vue
+++ b/frontend/src/components/Main.vue
@@ -1,4 +1,10 @@
 <template>
+  <LogVue
+  v-model="logModal.visible"
+  :visible="logModal.visible"
+  :logType="logModal.logType"
+  @close="closeLogs"
+  />
   <v-container class="fill-height">
     <v-responsive :class="reloadItems.length>0 ? 'fill-height text-center' : 'align-center'" >
       <v-row class="d-flex align-center justify-center">
@@ -45,7 +51,7 @@
       </v-row>
       <v-row>
         <v-col cols="12" sm="6" md="3" v-for="i in reloadItems" :key="i">
-          <v-card class="rounded-lg" variant="outlined" height="200px"
+          <v-card class="rounded-lg" variant="outlined" height="210px"
                   :title="menuItems.flatMap(cat => cat.value).find(m => m.value == i)?.title">
             <v-card-text style="padding: 0 16px;" align="center" justify="center">
               <Gauge :tilesData="tilesData" :type="i" v-if="i.charAt(0) == 'g'" />
@@ -80,13 +86,19 @@
                   </v-col>
                   <v-col cols="3">S-UI</v-col>
                   <v-col cols="9">
-                    <v-chip density="compact" color="primary" variant="flat">
+                    <v-chip density="compact" color="blue">
                       <v-tooltip activator="parent" location="top">
                         {{ $t('main.info.threads') }}: {{ tilesData.sys?.appThreads }}<br />
                         {{ $t('main.info.memory') }}: {{ HumanReadable.sizeFormat(tilesData.sys?.appMem) }}
                       </v-tooltip>
                       v{{ tilesData.sys?.appVersion }}
                     </v-chip>
+                    <v-chip density="compact" color="transparent" style="cursor: pointer;" @click="openLogs('s-ui')">
+                      <v-tooltip activator="parent" location="top">
+                        S-UI Logs
+                      </v-tooltip>
+                      <v-icon icon="mdi-list-box-outline" color="blue" />
+                    </v-chip>
                   </v-col>
                   <v-col cols="3">{{ $t('main.info.uptime') }}</v-col>
                   <v-col cols="9">{{ HumanReadable.formatSecond(tilesData.uptime) }}</v-col>
@@ -97,7 +109,13 @@
                   <v-col cols="4">{{ $t('main.info.running') }}</v-col>
                   <v-col cols="8">
                     <v-chip density="compact" color="success" variant="flat" v-if="tilesData.sbd?.running">{{ $t('yes') }}</v-chip> 
-                    <v-chip density="compact" color="error" variant="flat" v-else>{{ $t('no') }}</v-chip> 
+                    <v-chip density="compact" color="error" variant="flat" v-else>{{ $t('no') }}</v-chip>
+                    <v-chip density="compact" color="transparent" style="cursor: pointer;" @click="openLogs('sing-box')">
+                      <v-tooltip activator="parent" location="top">
+                        Sing-Box Logs
+                      </v-tooltip>
+                      <v-icon icon="mdi-list-box-outline" :color="tilesData.sbd?.running ? 'success': 'error'" />
+                    </v-chip>
                   </v-col>
                   <v-col cols="4">{{ $t('main.info.memory') }}</v-col>
                   <v-col cols="8">
@@ -148,6 +166,7 @@ import Gauge from '@/components/tiles/Gauge.vue'
 import History from '@/components/tiles/History.vue'
 import { computed, onBeforeUnmount, onMounted, ref } from 'vue'
 import { i18n } from '@/locales'
+import LogVue from '@/layouts/modals/Logs.vue'
 
 const menu = ref(false)
 const menuItems = [
@@ -215,4 +234,19 @@ onMounted(() => {
 onBeforeUnmount(() => {
   stopTimer()
 })
+
+const logModal = ref({
+  visible: false,
+  logType: "s-ui"
+})
+
+const openLogs = (logType: string) => {
+  logModal.value.logType = logType
+  logModal.value.visible = true
+}
+
+const closeLogs = () => {
+  logModal.value.logType = "s-ui"
+  logModal.value.visible = false
+}
 </script>
diff --git a/frontend/src/layouts/modals/Logs.vue b/frontend/src/layouts/modals/Logs.vue
new file mode 100644
index 0000000..3340391
--- /dev/null
+++ b/frontend/src/layouts/modals/Logs.vue
@@ -0,0 +1,94 @@
+<template>
+  <v-dialog transition="dialog-bottom-transition" width="90%" max-width="1200" :loading="loading">
+    <v-card class="rounded-lg">
+      <v-card-title>
+        {{ (logType == 's-ui'? "S-UI" : "Sing-Box") + " logs" }}
+      </v-card-title>
+      <v-divider></v-divider>
+      <v-card-text>
+        <v-row>
+          <v-col cols="12" sm="6" md="4">
+            <v-select
+            hide-details
+            label="Level"
+            :items="logLevels"
+            v-model="logLevel"
+            @update:model-value="loadData">
+            </v-select>
+          </v-col>
+          <v-col cols="12" sm="6" md="4">
+            <v-select
+            hide-details
+            label="Count"
+            :items="[10,20,30,50,100]"
+            v-model.number="logCount"
+            @update:model-value="loadData">
+            </v-select>
+          </v-col>
+          <v-col cols="auto" align="center" justify="center">
+            <v-btn
+              icon="mdi-refresh"
+              variant="tonal"
+              :loading="loading"
+              @click="loadData">
+              <v-icon  />
+            </v-btn>
+          </v-col>
+        </v-row>
+        <v-card style="background-color: background" dir="ltr" v-html="lines.join('<br />')"></v-card>
+      </v-card-text>
+      <v-card-actions>
+        <v-spacer></v-spacer>
+        <v-btn
+          color="blue-darken-1"
+          variant="outlined"
+          @click="$emit('close')"
+        >
+          {{ $t('actions.close') }}
+        </v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
+</template>
+
+<script lang="ts">
+import HttpUtils from '@/plugins/httputil';
+
+export default {
+  props: ['logType', 'visible'],
+  data() {
+    return {
+      loading: false,
+      lines: [],
+      logLevel: 'info',
+      logLevels: [
+        { title: 'DEBUG', value: 'debug' },
+        { title: 'INFO', value: 'info' },
+        { title: 'WARNING', value: 'warn' },
+        { title: 'ERROR', value: 'error' },
+      ],
+      logCount: 10,
+    }
+  },
+  methods: {
+    async loadData() {
+      this.loading = true
+      const data = await HttpUtils.get('api/logs',{ s: this.$props.logType, c: this.logCount, l: this.logLevel })
+      if (data.success) {
+        this.lines = data.obj?? []
+        this.loading = false
+      }
+    }
+  },
+  watch: {
+    visible(newValue) {
+      this.lines = []
+      this.logLevel = 'info'
+      this.logCount = 10
+      if (newValue) {
+        this.loadData()
+      }
+    },
+  },
+}
+</script>
\ No newline at end of file