From 720d75b9bde8455115561b5df1dd9fd344d493e0 Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Sun, 4 Feb 2024 01:19:44 -0600
Subject: [PATCH] checkpoint

---
 src/func_create_ff.cpp | 79 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/func_create_ff.cpp

diff --git a/src/func_create_ff.cpp b/src/func_create_ff.cpp
new file mode 100644
index 00000000..325324d2
--- /dev/null
+++ b/src/func_create_ff.cpp
@@ -0,0 +1,79 @@
+#include "func_create_ff.hpp"
+
+#include "fs_info.hpp"
+#include "fs_open.hpp"
+#include "ugid.hpp"
+
+#include <errno.h>
+
+
+Func::CreateFF::CreateFF()
+{
+
+}
+
+Func::CreateFF::~CreateFF()
+{
+
+}
+
+namespace l
+{
+  static
+  int
+  create(Branches2        &branches_,
+         char const       *fusepath_,
+         mode_t const      mode_,
+         mode_t const      umask_,
+         fuse_file_info_t *ffi_)
+  {
+    int rv;
+    fs::info_t info;
+
+    for(auto &tier : branches_)
+      {
+        for(auto &branch : tier)
+          {
+            if(branch.mode != +Branch2::Mode::RW)
+              continue;
+            rv = fs::info(branch.path,&info);
+            if(rv == -1)
+              continue;
+            if(info.readonly)
+              continue;
+            if(info.spaceavail < branch.min_free_space)
+              continue;
+
+            ghc::filesystem::path fullpath;
+
+            fullpath = branch.path / fusepath_;
+
+            rv = fs::open(fullpath,ffi_->flags,mode_);
+            if((rv == -1) && (errno == EROFS))
+              {
+                branch.mode = Branch2::Mode::RO;
+                continue;
+              }
+
+            return rv;
+          }
+      }
+
+    return rv;
+  }
+}
+
+int
+Func::CreateFF::operator()(Branches2        &branches_,
+                           char const       *fusepath_,
+                           mode_t const      mode_,
+                           fuse_file_info_t *ffi_)
+{
+  int rv;
+  fuse_context const *fc = fuse_get_context();
+  ugid::Set const ugid(fc->uid,fc->gid);
+
+  rv = l::create(branches_,fusepath_,mode_,fc->umask,ffi_);
+
+  return rv;
+}