* Automatically prune the file status cache every day.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@1025 e378c898-3ddf-0310-93e7-cc216c733640

src/command_local.cc

@@ -51,6 +51,7 @@
 #include "rpc/command_slot.h"
 #include "rpc/command_variable.h"
 #include "rpc/parse_commands.h"
+#include "utils/file_status_cache.h"
 
 #include "globals.h"
 #include "control.h"
@@ -127,6 +128,9 @@ initialize_command_local() {
   ADD_COMMAND_VOID("system.hostname",            rak::ptr_fun(&system_hostname));
   ADD_COMMAND_VOID("system.pid",                 rak::ptr_fun(&getpid));
 
+  ADD_COMMAND_VOID("system.file_status_cache.size",  rak::make_mem_fun((utils::FileStatusCache::base_type*)control->core()->file_status_cache(), &utils::FileStatusCache::size));
+  ADD_COMMAND_VOID("system.file_status_cache.prune", rak::make_mem_fun(control->core()->file_status_cache(), &utils::FileStatusCache::prune));
+
   ADD_COMMAND_VALUE_SET_OCT("system.", "umask",  std::ptr_fun(&umask));
   ADD_COMMAND_STRING_PREFIX("system.", "cwd",    std::ptr_fun(system_set_cwd), rak::ptr_fun(&system_get_cwd));
 

src/main.cc

@@ -236,6 +236,7 @@ main(int argc, char** argv) {
 
        "schedule = session_save,1800,1800,session_save=\n"
        "schedule = low_diskspace,5,60,close_low_diskspace=500M\n"
+       "schedule = prune_file_status,3600,86400,system.file_status_cache.prune=\n"
 
        "encryption=allow_incoming,prefer_plaintext,enable_retry\n"
     );

src/utils/file_status_cache.cc

@@ -68,4 +68,17 @@ FileStatusCache::insert(const std::string& path, int flags) {
   return true;
 }
 
+void
+FileStatusCache::prune() {
+  iterator itr = begin();
+
+  while (itr != end()) {
+    rak::file_stat fs;
+    iterator tmp = itr++;
+
+    if (!fs.update(rak::path_expand(tmp->first)) || tmp->second.m_mtime != (uint32_t)fs.modified_time())
+      base_type::erase(tmp);
+  }
+}
+
 }

src/utils/file_status_cache.h

@@ -73,10 +73,9 @@ public:
 
   // Add a function for pruning a sorted list of paths.
 
-  // Function for removing entries in a container that shouldn't be
-  // there based on some parameters.
-
-  // Function for pruning entries with different mtime or not existing.
+  // Function for pruning entries that no longer points to a file, or
+  // has a different mtime.
+  void                prune();
 };
 
 }