Changeset 11893 for trunk/FACT++/src/DimWriteStatistics.cc

Timestamp:

08/11/11 23:09:13 (13 years ago)

Author:

tbretz

Message:

Implemented a new determination fo run-number after noon in the fadctrl; created the possibility to add the date to the raw-data path; allow to set the path as program option; for all this moved some code from the datalogger to DimWriteStatistics

File:

• trunk/FACT++/src/DimWriteStatistics.cc (modified) (2 diffs)

trunk/FACT++/src/DimWriteStatistics.cc

@@ -10 +10 @@
 #include <sys/statvfs.h> //for getting disk free space
 #include <sys/stat.h>    //for getting files sizes
+
+#include <boost/filesystem.hpp>
 
 #include "Time.h"
@@ -88 +90 @@
 
      return -1;
+}
+
+// --------------------------------------------------------------------------
+//
+//! Check if a given path exists
+//! @param path the path to be checked
+//! @return whether or not the given path exists
+//
+bool DimWriteStatistics::DoesPathExist(const string &path, MessageImp &log)
+{
+    namespace fs = boost::filesystem;
+
+    const fs::path fullPath = fs::system_complete(fs::path(path));
+
+    if (!fs::exists(fullPath))
+       return false;
+
+    if (!fs::is_directory(fullPath))
+    {
+        log.Error("Path given for checking '" + path + "' designate a file name. Please provide a path name only");
+        return false;
+    }
+
+    if (access(path.c_str(), R_OK|W_OK|X_OK) != 0)
+    {
+        log.Error("Missing read, write or execute permissions on directory '" + path + "'");
+        return false;
+    }
+
+    return true;
+}
+
+// --------------------------------------------------------------------------
+//
+//! Check if a given path exists
+//! @param path the path to be checked
+//! @return whether or not the creation has been successfull
+//
+void DimWriteStatistics::CreateDirectory(string path)
+{
+    namespace fs = boost::filesystem;
+
+    //remove last '/', if present
+    if (path[path.size()-1] == '/')
+        path = path.substr(0, path.size()-1);
+
+    //create boost path
+    const fs::path fullPath = fs::system_complete(fs::path(path));
+
+    //if path does not exist, check if upper levels exist already
+    if (fs::exists(fullPath))
+    {
+        //if path already exist, make sure it does not designate a file (filenames cannot be checked if they do not exist)
+        if (fs::is_directory(fullPath))
+            return;
+
+        throw runtime_error("Path to be created is a file  '" + path + "'");
+    }
+
+    // we're hitting "/", which SHOULD have existed...
+    if (path.size() <= 1)
+        throw runtime_error("Path to be created looks suspicious '"+path+"'");
+
+    CreateDirectory(path.substr(0, path.find_last_of('/')));
+
+    //path does not exist, and upper level have been created already by recusrion.
+    const mode_t rightsMask = S_IRWXU | S_IXGRP | S_IRGRP | S_IXOTH | S_IROTH; //everybody read, owner writes
+
+    if (mkdir(path.c_str(), rightsMask)==0)
+        return;
+
+    ostringstream str;
+    str << "mkdir() failed for '" << path << "': " << strerror(errno) << " [errno=" << errno << "]";
+    throw runtime_error(str.str());
 }