#include <RecursiveLookup.h>
Public Member Functions | |
RecursiveLookup (BaseOverlay *overlay, RoutingType routingType, const RecursiveLookupConfiguration &config, bool appLookup) | |
virtual | ~RecursiveLookup () |
Virtual destructor. | |
virtual void | lookup (const OverlayKey &key, int numSiblings=1, int hopCountMax=0, int retries=0, LookupListener *listener=NULL) |
Lookup siblings for a key. | |
virtual const NodeVector & | getResult () const |
Returns the result of the lookup. | |
virtual bool | isValid () const |
Returns true, if the lookup was successful. | |
virtual void | abortLookup () |
Aborts a running lookup. | |
virtual uint32_t | getAccumulatedHops () const |
Returns the total number of hops for all lookup paths. | |
void | handleRpcTimeout (BaseCallMessage *msg, const TransportAddress &dest, cPolymorphic *context, int rpcId, const OverlayKey &destKey) |
void | handleRpcResponse (BaseResponseMessage *msg, cPolymorphic *context, int rpcId, simtime_t rtt) |
Private Attributes | |
BaseOverlay * | overlay |
LookupListener * | listener |
uint32_t | nonce |
bool | valid |
NodeVector | siblings |
RoutingType | routingType |
int | redundantNodes |
int | numRetries |
bool | appLookup |
Definition at line 48 of file RecursiveLookup.h.
RecursiveLookup::RecursiveLookup | ( | BaseOverlay * | overlay, | |
RoutingType | routingType, | |||
const RecursiveLookupConfiguration & | config, | |||
bool | appLookup | |||
) |
Definition at line 31 of file RecursiveLookup.cc.
: overlay(overlay), routingType(routingType), redundantNodes(config.redundantNodes), numRetries(config.numRetries), appLookup(appLookup) { valid = false; }
RecursiveLookup::~RecursiveLookup | ( | ) | [virtual] |
Virtual destructor.
Definition at line 44 of file RecursiveLookup.cc.
{ if (listener != NULL) { delete listener; listener = NULL; } overlay->removeLookup(this); }
void RecursiveLookup::abortLookup | ( | ) | [virtual] |
Aborts a running lookup.
This method aborts a running lookup without calling the listener and delete the lookup object.
Implements AbstractLookup.
Definition at line 82 of file RecursiveLookup.cc.
{ overlay->cancelRpcMessage(nonce); delete this; }
uint32_t RecursiveLookup::getAccumulatedHops | ( | ) | const [virtual] |
Returns the total number of hops for all lookup paths.
Implements AbstractLookup.
Definition at line 89 of file RecursiveLookup.cc.
{ //throw new cRuntimeError("RecursiveLookup is asked for # accumulated hops!"); return 0; //TODO hopCount in findNodeCall/Response ? }
const NodeVector & RecursiveLookup::getResult | ( | ) | const [virtual] |
Returns the result of the lookup.
Implements AbstractLookup.
Definition at line 72 of file RecursiveLookup.cc.
{ return siblings; }
void RecursiveLookup::handleRpcResponse | ( | BaseResponseMessage * | msg, | |
cPolymorphic * | context, | |||
int | rpcId, | |||
simtime_t | rtt | |||
) |
Definition at line 112 of file RecursiveLookup.cc.
{ FindNodeResponse* findNodeResponse = check_and_cast<FindNodeResponse*>(msg); if (findNodeResponse->getSiblings() && findNodeResponse->getClosestNodesArraySize() > 0) { valid = true; for (uint32_t i = 0; i < findNodeResponse->getClosestNodesArraySize(); i++) { siblings.push_back(findNodeResponse->getClosestNodes(i)); } } // std::cout << "RecursiveLookup::handleRpcResponse() " // << findNodeResponse->getClosestNodesArraySize() << std::endl; // inform listener if (listener != NULL) { listener->lookupFinished(this); listener = NULL; } delete this; }
void RecursiveLookup::handleRpcTimeout | ( | BaseCallMessage * | msg, | |
const TransportAddress & | dest, | |||
cPolymorphic * | context, | |||
int | rpcId, | |||
const OverlayKey & | destKey | |||
) |
Definition at line 95 of file RecursiveLookup.cc.
{ //TODO retry valid = false; // inform listener if (listener != NULL) { listener->lookupFinished(this); listener = NULL; } delete this; }
bool RecursiveLookup::isValid | ( | ) | const [virtual] |
Returns true, if the lookup was successful.
Implements AbstractLookup.
Definition at line 77 of file RecursiveLookup.cc.
{ return valid; }
void RecursiveLookup::lookup | ( | const OverlayKey & | key, | |
int | numSiblings = 1 , |
|||
int | hopCountMax = 0 , |
|||
int | retries = 0 , |
|||
LookupListener * | listener = NULL | |||
) | [virtual] |
Lookup siblings for a key.
key | The key to lookup | |
numSiblings | Number of siblings to lookup | |
hopCountMax | Maximum hop count | |
retries | Number of retries if lookup fails | |
listener | Listener to inform, when the lookup is done |
Implements AbstractLookup.
Definition at line 54 of file RecursiveLookup.cc.
{ this->listener = listener; FindNodeCall* call = new FindNodeCall("FindNodeCall"); if (appLookup) call->setStatType(APP_LOOKUP_STAT); else call->setStatType(MAINTENANCE_STAT); call->setLookupKey(key); call->setNumRedundantNodes(redundantNodes); call->setNumSiblings(numSiblings); call->setBitLength(FINDNODECALL_L(call)); nonce = overlay->sendRouteRpcCall(OVERLAY_COMP, key, call, NULL, routingType, -1, retries, -1, this); }
bool RecursiveLookup::appLookup [private] |
Definition at line 110 of file RecursiveLookup.h.
Referenced by lookup().
LookupListener* RecursiveLookup::listener [private] |
Definition at line 103 of file RecursiveLookup.h.
Referenced by handleRpcResponse(), handleRpcTimeout(), and ~RecursiveLookup().
uint32_t RecursiveLookup::nonce [private] |
Definition at line 104 of file RecursiveLookup.h.
Referenced by abortLookup(), and lookup().
int RecursiveLookup::numRetries [private] |
Definition at line 109 of file RecursiveLookup.h.
BaseOverlay* RecursiveLookup::overlay [private] |
Definition at line 102 of file RecursiveLookup.h.
Referenced by abortLookup(), lookup(), and ~RecursiveLookup().
int RecursiveLookup::redundantNodes [private] |
Definition at line 108 of file RecursiveLookup.h.
Referenced by lookup().
RoutingType RecursiveLookup::routingType [private] |
Definition at line 107 of file RecursiveLookup.h.
Referenced by lookup().
NodeVector RecursiveLookup::siblings [private] |
Definition at line 106 of file RecursiveLookup.h.
Referenced by getResult(), and handleRpcResponse().
bool RecursiveLookup::valid [private] |
Definition at line 105 of file RecursiveLookup.h.
Referenced by handleRpcResponse(), handleRpcTimeout(), isValid(), and RecursiveLookup().