hookCCpp: check total dump dir size and delete the largest/oldest one

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 100 insertions, 0 deletions

diff --git a/lib/Utils/dirsize.cpp b/lib/Utils/dirsize.cpp
new file mode 100644
index 0000000..739b6b7
--- /dev/null
+++ b/lib/Utils/dirsize.cpp
@@ -0,0 +1,100 @@
+/*
+    Copyright (C) 2009  Jiri Moskovcak (jmoskovc@redhat.com)
+    Copyright (C) 2009  RedHat inc.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "abrtlib.h"
+
+using namespace std;
+
+double get_dirsize(const char *pPath)
+{
+    DIR *dp = opendir(pPath);
+    if (dp == NULL)
+        return 0;
+
+    struct dirent *ep;
+    struct stat statbuf;
+    double size = 0;
+    while ((ep = readdir(dp)) != NULL)
+    {
+        if (dot_or_dotdot(ep->d_name))
+            continue;
+        string dname = concat_path_file(pPath, ep->d_name);
+        if (lstat(dname.c_str(), &statbuf) != 0)
+            continue;
+        if (S_ISDIR(statbuf.st_mode))
+        {
+            size += get_dirsize(dname.c_str());
+        }
+        else if (S_ISREG(statbuf.st_mode))
+        {
+            size += statbuf.st_size;
+        }
+    }
+    closedir(dp);
+    return size;
+}
+
+double get_dirsize_find_largest_dir(
+		const char *pPath,
+		string *worst_dir,
+		const char *excluded)
+{
+    DIR *dp = opendir(pPath);
+    if (dp == NULL)
+        return 0;
+
+    struct dirent *ep;
+    struct stat statbuf;
+    double size = 0;
+    double maxsz = 0;
+    while ((ep = readdir(dp)) != NULL)
+    {
+        if (dot_or_dotdot(ep->d_name))
+            continue;
+        string dname = concat_path_file(pPath, ep->d_name);
+        if (lstat(dname.c_str(), &statbuf) != 0)
+            continue;
+        if (S_ISDIR(statbuf.st_mode))
+        {
+            double sz = get_dirsize(dname.c_str());
+            size += sz;
+
+            if (worst_dir && (!excluded || strcmp(excluded, ep->d_name) != 0))
+            {
+                /* Calculate "weighted" size and age
+                 * w = sz_kbytes * age_mins */
+                sz /= 1024;
+                long age = (time(NULL) - statbuf.st_mtime) / 60;
+                if (age > 0)
+                    sz *= age;
+
+                if (sz > maxsz)
+                {
+                    maxsz = sz;
+                    *worst_dir = ep->d_name;
+                }
+            }
+        }
+        else if (S_ISREG(statbuf.st_mode))
+        {
+            size += statbuf.st_size;
+        }
+    }
+    closedir(dp);
+    return size;
+}