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fix resource leak, performance issue, alternative route success rate. coverity issue 971431

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This commit is contained in:
Dennis Luxen 2014-01-09 18:05:29 +01:00
parent d94955d51e
commit 648eed6532
1 changed files with 10 additions and 2 deletions
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12
RoutingAlgorithms/AlternativePathRouting.h
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@ -31,6 +31,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "BasicRoutingInterface.h"
#include "../DataStructures/SearchEngineData.h"
#include <boost/foreach.hpp>
#include <boost/unordered_map.hpp>
#include <cmath>
#include <vector>
@ -213,12 +214,19 @@ public:
approximated_reverse_sharing[v] = reverse_heap1.GetKey(u);
} else {
//sharing (s) = sharing (t)
approximated_reverse_sharing[v] = approximated_reverse_sharing[u];
boost::unordered_map<NodeID, int>::const_iterator rev_iterator = approximated_reverse_sharing.find(u);
const int rev_sharing = (rev_iterator != approximated_reverse_sharing.end()) ? rev_iterator->second : 0;
approximated_reverse_sharing[v] = rev_sharing;
}
}
std::vector<NodeID> nodes_that_passed_preselection;
BOOST_FOREACH(const NodeID node, via_node_candidate_list) {
int approximated_sharing = approximated_forward_sharing[node] + approximated_reverse_sharing[node];
boost::unordered_map<NodeID, int>::const_iterator fwd_iterator = approximated_forward_sharing.find(node);
const int fwd_sharing = (fwd_iterator != approximated_forward_sharing.end()) ? fwd_iterator->second : 0;
boost::unordered_map<NodeID, int>::const_iterator rev_iterator = approximated_reverse_sharing.find(node);
const int rev_sharing = (rev_iterator != approximated_reverse_sharing.end()) ? rev_iterator->second : 0;
int approximated_sharing = fwd_sharing + rev_sharing;
int approximated_length = forward_heap1.GetKey(node)+reverse_heap1.GetKey(node);
bool lengthPassed = (approximated_length < upper_bound_to_shortest_path_distance*(1+VIAPATH_EPSILON));
bool sharingPassed = (approximated_sharing <= upper_bound_to_shortest_path_distance*VIAPATH_GAMMA);