From 677fad56f7bdb62174abe692ea4b248062e7da24 Mon Sep 17 00:00:00 2001
From: seo <seo@chaegeon.com>
Date: Sat, 25 Jul 2026 20:00:22 +0900
Subject: [PATCH] =?UTF-8?q?=EC=8B=9C=EB=86=80=EB=A1=9C=EC=A7=80=20?=
 =?UTF-8?q?=EB=A1=9C=EA=B7=B8=20=ED=91=9C=EC=8B=9C=20=EC=9E=A1=EC=9D=8C=20?=
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MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 README.md      |  2 +-
 public/api.php | 80 ++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 78 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 88346f2..9455a39 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Control은 라즈베리파이/리눅스 호스트의 팬과 시스템 상태를
 - `public/api.php?action=settings_reset`: 설정 모달 값을 기본값으로 초기화
 - `public/api.php?action=touch_display_save`: `/boot/firmware/config.txt`, `/boot/firmware/cmdline.txt`에 DSI 터치 디스플레이 부팅 설정 저장
 - `public/api.php?action=touch_display_runtime_save`: DSI 터치 디스플레이 백라이트 밝기와 백라이트 전원 즉시 적용
-- `public/api.php?action=synology_log`: 라즈베리파이에 저장된 시놀로지 원격 로그 최근 500줄 조회
+- `public/api.php?action=synology_log`: 라즈베리파이에 저장된 시놀로지 원격 로그를 표시용 필터로 걸러 최근 500줄 조회
 - `public/api.php?action=dmesg`: dmesg 로그 조회
 - `public/api.php?action=reboot`: 확인 단어와 관리자 암호 재검증 후 sudo reboot 실행
 
diff --git a/public/api.php b/public/api.php
index 430354f..d1dde1b 100644
--- a/public/api.php
+++ b/public/api.php
@@ -121,9 +121,10 @@ function dmesg_log(): array
     ];
 }
 
-function text_log_tail(string $path, string $label, int $limit = 500): array
+function text_log_tail(string $path, string $label, int $limit = 500, ?callable $lineFilter = null, int $displayLimit = 500): array
 {
-    $limit = max(1, min(1000, $limit));
+    $limit = max(1, min(10000, $limit));
+    $displayLimit = max(1, min(1000, $displayLimit));
     $stat = sh(['/usr/bin/stat', '-c', '%s|%Y', $path], true, 3);
     if ((int)$stat['code'] !== 0) {
         return [
@@ -157,20 +158,93 @@ function text_log_tail(string $path, string $label, int $limit = 500): array
         preg_split('/\R/', trim((string)$tail['out'])) ?: [],
         static fn($line): bool => trim((string)$line) !== ''
     ));
+    $rawLineCount = count($lines);
+    if ($lineFilter !== null) {
+        $lines = array_values(array_filter($lines, $lineFilter));
+    }
+    if (count($lines) > $displayLimit) {
+        $lines = array_slice($lines, -$displayLimit);
+    }
 
     return [
         'path' => $path,
         'available' => true,
         'lines' => array_reverse($lines),
         'line_count' => count($lines),
+        'raw_line_count' => $rawLineCount,
         'size_bytes' => $size,
         'updated_at' => $mtime > 0 ? date('Y-m-d H:i:s', $mtime) : null,
     ];
 }
 
+function synology_remote_log_visible(string $line): bool
+{
+    if (str_contains($line, 'Last message ') && str_contains($line, 'suppressed by syslog-ng')) {
+        return false;
+    }
+
+    if (preg_match('/\ssynotifyd\[\d+\]\s/', $line)) {
+        return false;
+    }
+
+    if (preg_match('/\ssynoelasticd\[\d+\]\s/', $line)) {
+        $noise = [
+            '(UpsertByID)',
+            '(SetByID)',
+            '(DelByID)',
+            '(DelByQuery)',
+            '(Commit) Commit: fileindex_',
+        ];
+        foreach ($noise as $needle) {
+            if (str_contains($line, $needle)) {
+                return false;
+            }
+        }
+    }
+
+    if (preg_match('/\sfileindexd\[\d+\]\s/', $line)) {
+        $noise = [
+            'ProcessOP BEGIN: IndexUpsert',
+            'ProcessOP DONE!: IndexUpsert',
+            'ProcessOP SKIPPED: IndexUpsert',
+            'ProcessOP BEGIN: IndexReindex',
+            'ProcessOP DONE!: IndexReindex',
+            'ProcessOP SKIPPED: IndexReindex',
+            '(Process) Worker<',
+            'PrepareTmpOPtree',
+            'CheckClearOldTmpOPtree',
+            'BuildTree',
+            'Commit [fileindex_',
+        ];
+        foreach ($noise as $needle) {
+            if (str_contains($line, $needle)) {
+                return false;
+            }
+        }
+    }
+
+    if (preg_match('/\sscemd\[\d+\]\s/', $line)) {
+        $noise = [
+            'Could not open file `/dev/i2c-1',
+            'Could not open file `/dev/i2c/1',
+            'Fail to initLedBrightnessConfig',
+            'No brightness setting',
+            'Fail to init config list',
+            'Fail to set led brightness.',
+        ];
+        foreach ($noise as $needle) {
+            if (str_contains($line, $needle)) {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
 function synology_remote_log(): array
 {
-    return text_log_tail('/var/log/remote/synology/chaegeon.log', 'synology remote');
+    return text_log_tail('/var/log/remote/synology/chaegeon.log', 'synology remote', 5000, 'synology_remote_log_visible');
 }
 
 function command_first_line(array $cmd, bool $root = false, int $timeout = 3): string