Abstract native file-locking and directory detection/creation to portable classes LockFile and FileSysDir; resolves QPID-1148

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@702513 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 54 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/posix/FileSysDir.cpp b/cpp/src/qpid/sys/posix/FileSysDir.cpp
new file mode 100755
index 0000000000..22dc487e74
--- /dev/null
+++ b/cpp/src/qpid/sys/posix/FileSysDir.cpp
@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "qpid/sys/FileSysDir.h"
+#include "qpid/sys/StrError.h"
+#include "qpid/Exception.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <cerrno>
+#include <unistd.h>
+
+namespace qpid {
+namespace sys {
+
+bool FileSysDir::exists (void) const
+{
+    const  char *cpath = dirPath.c_str ();
+    struct stat  s;
+    if (::stat(cpath, &s)) {
+        if (errno == ENOENT) {
+            return false;
+        }
+        throw qpid::Exception (strError(errno) +
+                               ": Can't check directory: " + dirPath);
+    }
+    if (S_ISDIR(s.st_mode))
+        return true;
+    throw qpid::Exception(dirPath + " is not a directory");
+}
+
+void FileSysDir::mkdir(void)
+{
+    if (::mkdir(dirPath.c_str(), 0755))
+        throw Exception ("Can't create directory: " + dirPath);
+}
+
+}} // namespace qpid::sys