construct TierEngine before switching log output to notify user of co…

…nfiguration errors

src/impl/autotierfs/fuseOps/fusePassthrough.cpp

@@ -25,21 +25,15 @@
 #include "fuseOps.hpp"
 #include "config.hpp"
 #include "alert.hpp"
-
-namespace Global{
-	fs::path config_path_;
-	fs::path mount_point_;
-	ConfigOverrides config_overrides_;
-}
+#include "tierEngine.hpp"
 
 FusePassthrough::FusePassthrough(const fs::path &config_path, const ConfigOverrides &config_overrides){
-	Global::config_path_ = config_path;
-	Global::config_overrides_ = config_overrides;
+	fuse_ops::autotier_ptr = new TierEngine(config_path, config_overrides);
 }
 
 // methods
 int FusePassthrough::mount_fs(fs::path mountpoint, char *fuse_opts){
-	Global::mount_point_ = mountpoint; // global
+	fuse_ops::autotier_ptr->mount_point(mountpoint);
 	Logging::log.message("Mounting filesystem", 2);
 	static const struct fuse_operations at_oper = {
 		.getattr					= fuse_ops::getattr,

src/impl/autotierfs/fuseOps/init.cpp

@@ -30,6 +30,8 @@ extern "C" {
 }
 
 namespace fuse_ops{
+	TierEngine *autotier_ptr;
+
 	void *init(struct fuse_conn_info *conn, struct fuse_config *cfg){
 		(void) conn;
 		cfg->use_ino = 1;
@@ -49,11 +51,7 @@ namespace fuse_ops{
 
 		FusePriv *priv = new FusePriv;
 
-		priv->autotier_ = new TierEngine(Global::config_path_, Global::config_overrides_);
-
-		priv->mount_point_ = Global::mount_point_;
-
-		priv->autotier_->mount_point(Global::mount_point_);
+		priv->autotier_ = autotier_ptr;
 
 		for(std::list<Tier>::iterator tptr = priv->autotier_->get_tiers().begin(); tptr != priv->autotier_->get_tiers().end(); ++tptr)
 			priv->tiers_.push_back(&(*tptr));

src/incl/fuseOps.hpp

@@ -102,6 +102,8 @@ namespace l{
 }
 
 namespace fuse_ops{
+	extern TierEngine *autotier_ptr;
+
 	int getattr(const char *path, struct stat *stbuf, struct fuse_file_info *fi);
 
 	int readlink(const char *path, char *buf, size_t size);