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added basic probability computation to global routing matrix, and debug output. Fixed bug in Float serialisation (this should be improved btw)

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6890 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
csoler 2013-11-05 21:15:26 +00:00
parent f3750d0d61
commit 03e6fb8a4a
5 changed files with 217 additions and 22 deletions
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27
libretroshare/src/grouter/groutermatrix.h
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@ -35,21 +35,16 @@
//
struct RoutingMatrixHitEntry
{
uint32_t friend_id ; // not the full key. Gets too big otherwise!
float weight ;
time_t time_stamp ;
};
// The map indexes for each friend the list of recent routing clues received.
//
struct RoutingMatrixFriendKeyData
{
std::list<RoutingMatrixHitEntry> routing_clues ;
float probability ;
};
class GRouterMatrix
{
public:
GRouterMatrix() ;
// Computes the routing probabilities for this id for the given list of friends.
// the computation accounts for the time at which the info was received and the
// weight of each routing hit record.
@ -69,13 +64,27 @@ class GRouterMatrix
//
bool addRoutingClue(const GRouterKeyId& id,const GRouterServiceId& sid,float distance,const std::string& desc_string,const SSLIdType& source_friend) ;
// Dump info in terminal.
//
void debugDump() const ;
private:
uint32_t getFriendId(const SSLIdType& id) ;
// List of events received and computed routing probabilities
//
std::map<GRouterKeyId, RoutingMatrixFriendKeyData> _routing_info ;
std::map<GRouterKeyId, std::list<RoutingMatrixHitEntry> > _routing_clues ;
std::map<GRouterKeyId, std::vector<float> > _time_combined_hits ; // hit matrix after time-convolution filter
// This is used to avoid re-computing probas when new events have been received.
//
bool _proba_need_updating ;
// Routing weights. These are the result of a time convolution of the routing clues and weights
// recorded in _routing_clues.
//
std::map<SSLIdType,uint32_t> _friend_indices ; // index for each friend to lookup in the routing matrix Not saved.
std::vector<SSLIdType> _reverse_friend_indices ;// SSLid corresponding to each friend index. Saved.
};