paradiseo/trunk/paradiseo-peo/src/rmc/mpi/worker.cpp

93 lines
1.6 KiB
C++

// "worker.cpp"
// (c) OPAC Team, LIFL, August 2005
/*
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#include <vector>
#include "tags.h"
#include "send.h"
#include "node.h"
#include "schema.h"
#include "worker.h"
#include "mess.h"
#include "../../core/peo_debug.h"
static std :: vector <Worker *> key_to_worker (1); /* Vector of registered workers */
Worker * getWorker (WORKER_ID __key) {
return key_to_worker [__key];
}
Worker :: Worker () {
toto = false;
id = key_to_worker.size ();
key_to_worker.push_back (this);
}
void Worker :: packResult () {
pack (serv_id);
serv -> packResult ();
}
void Worker :: unpackData () {
printDebugMessage ("unpacking the ID. of the service.");
unpack (serv_id);
serv = getService (serv_id);
printDebugMessage ("found the service.");
serv -> unpackData ();
printDebugMessage ("unpacking the data.");
setActive ();
}
void Worker :: packTaskDone () {
pack (getNodeRank ());
pack (id);
}
void Worker :: notifySendingResult () {
/* Notifying the scheduler of the termination */
toto = true;
wakeUp ();
}
void Worker :: notifySendingTaskDone () {
setPassive ();
}
void Worker :: setSource (int __rank) {
src = __rank;
}
void Worker :: start () {
while (true) {
sleep ();
if (! atLeastOneActiveRunner ())
break;
if (toto) {
send (this, my_node -> rk_sched, TASK_DONE_TAG);
toto = false;
}
else {
printDebugMessage ("executing the task.");
serv -> execute ();
send (this, src, TASK_RESULT_TAG);
}
}
}