5 files changed, 35 insertions(+), 4 deletions(-)

M module-services/service-desktop/endpoints/deviceInfo/DeviceInfoEndpointCommon.cpp
M module-services/service-desktop/endpoints/filesystem/FS_Helper.cpp
M module-services/service-desktop/endpoints/include/endpoints/HttpEnums.hpp
M module-services/service-desktop/endpoints/include/endpoints/filesystem/FS_Helper.hpp
M module-vfs/paths/include/purefs/filesystem_paths.hpp

@@ 169,6 169,6 @@ namespace sdesktop::endpoints
             totalDeviceSpaceMiB += totalSpace;
         }
 
-        return {totalDeviceSpaceMiB, reservedSystemSpaceMiB, usedUserSpaceMiB};
+        return {totalDeviceSpaceMiB, reservedSystemSpaceMiB, usedUserSpaceMiB + purefs::userSpaceOffset};
     }
 } // namespace sdesktop::endpoints

@@ 9,6 9,7 @@
 #include <endpoints/message/Sender.hpp>
 #include <purefs/filesystem_paths.hpp>
 
+#include <sys/statvfs.h>
 #include <filesystem>
 
 namespace sdesktop::endpoints


@@ 208,6 209,15 @@ namespace sdesktop::endpoints
             return ResponseContext{.status = code};
         }
 
+        auto freeSpaceLeftForUserFilesMiB = getFreeSpaceForUserFilesMiB();
+        constexpr auto bytesInMebibyte    = 1048576;
+
+        if (fileSize / bytesInMebibyte > freeSpaceLeftForUserFilesMiB) {
+            LOG_ERROR("Not enough space left on device!");
+            code = http::Code::InsufficientStorage;
+            return ResponseContext{.status = code};
+        }
+
         if (!std::filesystem::exists(filePath)) {
             LOG_DEBUG("Creating file %s", filePath.c_str());
 


@@ 331,4 341,20 @@ namespace sdesktop::endpoints
         json11::Json::object response({{directory, jsonArr}});
         return ResponseContext{.status = http::Code::OK, .body = response};
     }
+
+    auto FS_Helper::getFreeSpaceForUserFilesMiB() const -> unsigned long
+    {
+        const auto userDiskPath = purefs::dir::getUserDiskPath();
+
+        std::unique_ptr<struct statvfs> vfstat = std::make_unique<struct statvfs>();
+        if (statvfs(userDiskPath.c_str(), vfstat.get()) < 0) {
+            return 0;
+        }
+
+        unsigned long freeMbytes =
+            (static_cast<std::uint64_t>(vfstat->f_bfree) * static_cast<std::uint64_t>(vfstat->f_bsize)) /
+                (1024LLU * 1024LLU) -
+            purefs::userSpaceOffset;
+        return freeMbytes;
+    }
 } // namespace sdesktop::endpoints

@@ 1,4 1,4 @@
-// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
 // For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
 
 #pragma once


@@ 23,7 23,8 @@ namespace sdesktop::endpoints::http
         Conflict            = 409,
         UnprocessableEntity = 422,
         InternalServerError = 500,
-        NotImplemented      = 501
+        NotImplemented      = 501,
+        InsufficientStorage = 507
     };
 
     /*! Enum class for the HTTP methods.

@@ 1,4 1,4 @@
-// Copyright (c) 2017-2021, Mudita Sp. z.o.o. All rights reserved.
+// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
 // For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
 
 #pragma once


@@ 41,6 41,8 @@ namespace sdesktop::endpoints
         auto startGetFile(Context &context) const -> ResponseContext;
         auto getFileChunk(Context &context) const -> ResponseContext;
 
+        auto getFreeSpaceForUserFilesMiB() const -> unsigned long;
+
         auto startSendFile(Context &context) const -> ResponseContext;
         auto sendFileChunk(Context &context) const -> ResponseContext;
 

@@ 8,6 8,8 @@
 namespace purefs
 {
     std::filesystem::path createPath(const std::string &parent, const std::string &child) noexcept;
+    constexpr inline auto userSpaceOffset = 1023; // This space is additionally reserved on the user partition,
+                                                  // and it's excluded from the space that user can use for his files
 
     namespace dir
     {