initial code commit

src/config.cpp

@@ -0,0 +1,91 @@
+/*
+   The MIT License (MIT)
+
+   Copyright (c) 2014 Antonio SJ Musumeci <trapexit@spawn.link>
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+*/
+
+#include <fuse.h>
+
+#include <sstream>
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+#include "config.hpp"
+
+namespace mergerfs
+{
+  namespace config
+  {
+    Config::Config()
+      : controlfile("/.mergerfs"),
+        testmode(false)
+    {
+      time_t now = time(NULL);
+
+      controlfilestat.st_dev     = 0;
+      controlfilestat.st_ino     = 0;
+      controlfilestat.st_mode    = (S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+      controlfilestat.st_nlink   = 1;
+      controlfilestat.st_uid     = ::getuid();
+      controlfilestat.st_gid     = ::getgid();
+      controlfilestat.st_rdev    = 0;
+      controlfilestat.st_size    = 0;
+      controlfilestat.st_blksize = 1024;
+      controlfilestat.st_blocks  = 0;
+      controlfilestat.st_atime   = now;
+      controlfilestat.st_mtime   = now;
+      controlfilestat.st_ctime   = now;
+    }
+
+    std::string
+    Config::generateReadStr() const
+    {
+      std::stringstream ss;
+
+      ss << "action=" << policy.action.str() << std::endl
+         << "create=" << policy.create.str() << std::endl
+         << "search=" << policy.search.str() << std::endl
+         << "statfs=" << policy.statfs.str() << std::endl;
+
+      return ss.str();
+    }
+
+    void
+    Config::updateReadStr()
+    {
+      readstr                 = generateReadStr();
+      controlfilestat.st_size = readstr.size();
+    }
+
+    const Config&
+    get(void)
+    {
+      return (*((Config*)fuse_get_context()->private_data));
+    }
+
+    Config&
+    get_writable(void)
+    {
+      return (*((Config*)fuse_get_context()->private_data));
+    }
+  }
+}