From ef9a494134458f3464b250c87da9e247d775989c Mon Sep 17 00:00:00 2001
From: Alexander Gavriliuk <alexandrgproductengine@lindenlab.com>
Date: Sun, 14 Jul 2024 12:01:30 +0200
Subject: #1500 Better out of disk space handling

---
 indra/llcommon/llapp.cpp | 27 +++++++++++++++++++++++++++
 indra/llcommon/llapp.h   |  4 ++++
 indra/llcommon/llapr.cpp |  7 ++++++-
 3 files changed, 37 insertions(+), 1 deletion(-)

(limited to 'indra/llcommon')

diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp
index b85bd2573b..c2158bb5b8 100644
--- a/indra/llcommon/llapp.cpp
+++ b/indra/llcommon/llapp.cpp
@@ -487,6 +487,33 @@ int LLApp::getPid()
 #endif
 }
 
+// static
+void LLApp::notifyOutOfDiskSpace()
+{
+    static const U32Seconds min_interval = U32Seconds(60);
+    static U32Seconds min_time_to_send = U32Seconds(0);
+    U32Seconds now = LLTimer::getTotalTime();
+    if (now < min_time_to_send)
+        return;
+
+    min_time_to_send = now + min_interval;
+
+    if (LLApp* app = instance())
+    {
+        app->sendOutOfDiskSpaceNotification();
+    }
+    else
+    {
+        LL_WARNS() << "No app instance" << LL_ENDL;
+    }
+}
+
+// virtual
+void LLApp::sendOutOfDiskSpaceNotification()
+{
+    LL_WARNS() << "Should never be called" << LL_ENDL; // Should be overridden
+}
+
 #ifndef LL_WINDOWS
 void setup_signals()
 {
diff --git a/indra/llcommon/llapp.h b/indra/llcommon/llapp.h
index ad8912ca88..d90ecdf661 100644
--- a/indra/llcommon/llapp.h
+++ b/indra/llcommon/llapp.h
@@ -202,6 +202,8 @@ public:
     static bool isExiting(); // Either quitting or error (app is exiting, cleanly or not)
     static int getPid();
 
+    static void notifyOutOfDiskSpace();
+
     //
     // Sleep for specified time while still running
     //
@@ -301,6 +303,8 @@ protected:
       */
     void stepFrame();
 
+    virtual void sendOutOfDiskSpaceNotification();
+
 private:
     // Contains the filename of the minidump file after a crash.
     char mMinidumpPath[MAX_MINDUMP_PATH_LENGTH];
diff --git a/indra/llcommon/llapr.cpp b/indra/llcommon/llapr.cpp
index b085f8f5dc..01763c49aa 100644
--- a/indra/llcommon/llapr.cpp
+++ b/indra/llcommon/llapr.cpp
@@ -28,6 +28,7 @@
 
 #include "linden_common.h"
 #include "llapr.h"
+#include "llapp.h"
 #include "llmutex.h"
 #include "apr_dso.h"
 
@@ -606,7 +607,11 @@ S32 LLAPRFile::writeEx(const std::string& filename, const void *buf, S32 offset,
         apr_status_t s = apr_file_write(file_handle, buf, &bytes_written);
         if (s != APR_SUCCESS)
         {
-            LL_WARNS("APR") << " Attempting to write filename: " << filename << LL_ENDL;
+            LL_WARNS("APR") << "Attempting to write filename: " << filename << LL_ENDL;
+            if (APR_STATUS_IS_ENOSPC(s))
+            {
+                LLApp::notifyOutOfDiskSpace();
+            }
             ll_apr_warn_status(s);
             bytes_written = 0;
         }
-- 
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