QPID-4095: Move the directory iteration into FileSysDir:

- For Posix implement with direct calls
- For windows implement with v2/v3 boost::filesystem to be replaced later

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1424247 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 26 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/posix/FileSysDir.cpp b/cpp/src/qpid/sys/posix/FileSysDir.cpp
index 22dc487e74..cec580164d 100755
--- a/cpp/src/qpid/sys/posix/FileSysDir.cpp
+++ b/cpp/src/qpid/sys/posix/FileSysDir.cpp
@@ -18,6 +18,7 @@
 
 #include "qpid/sys/FileSysDir.h"
 #include "qpid/sys/StrError.h"
+#include "qpid/log/Statement.h"
 #include "qpid/Exception.h"
 
 #include <sys/types.h>
@@ -25,6 +26,8 @@
 #include <fcntl.h>
 #include <cerrno>
 #include <unistd.h>
+#include <dirent.h>
+#include <stdlib.h>
 
 namespace qpid {
 namespace sys {
@@ -51,4 +54,27 @@ void FileSysDir::mkdir(void)
         throw Exception ("Can't create directory: " + dirPath);
 }
 
+void FileSysDir::forEachFile(Callback cb) const {
+
+    ::dirent** namelist;
+
+    int n = scandir(dirPath.c_str(), &namelist, 0, alphasort);
+    if (n == -1) throw Exception (strError(errno) + ": Can't scan directory: " + dirPath);
+
+    for (int i = 0; i<n; ++i) {
+        std::string fullpath = dirPath + "/" + namelist[i]->d_name;
+        // Filter out non files/stat problems etc.
+        struct ::stat s;
+        // Can't throw here without leaking memory, so just do nothing with
+        // entries for which stat() fails.
+        if (!::stat(fullpath.c_str(), &s)) {
+            if (S_ISREG(s.st_mode)) {
+                cb(fullpath);
+            }
+        }
+        ::free(namelist[i]);
+    }
+    ::free(namelist);
+}
+
 }} // namespace qpid::sys