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git-svn-id: svn://elaine/murooma/trunk@119 d8a302eb-03bc-478d-80e4-98257eca68ef
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(no author) 2014-07-29 21:33:21 +00:00
parent 1e28b4a2fc
commit d43298f0fe
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//
// Custom routing Router to Mama (ROUTER to REQ)
//
// Olivier Chamoux <olivier.chamoux@fr.thalesgroup.com>
#include "zhelpers.hpp"
#define NBR_WORKERS 10
static void *
worker_thread (void *arg) {
zmq::context_t * context = (zmq::context_t *)arg;
zmq::socket_t worker (*context, ZMQ_REQ);
// We use a string identity for ease here
s_set_id (worker);
worker.connect("ipc://routing.ipc");
int total = 0;
while (1) {
// Tell the router we're ready for work
s_send (worker, "ready");
// Get workload from router, until finished
std::string workload = s_recv (worker);
int finished = (workload.compare("END") == 0);
if (finished) {
std::cout << "Processed: " << total << " tasks" << std::endl;
break;
}
total++;
// Do some random work
s_sleep(within (100) + 1);
}
return (NULL);
}
int main () {
zmq::context_t context(1);
zmq::socket_t client (context, ZMQ_ROUTER);
client.bind("ipc://routing.ipc");
int worker_nbr;
for (worker_nbr = 0; worker_nbr < NBR_WORKERS; worker_nbr++) {
pthread_t worker;
pthread_create (&worker, NULL, worker_thread, &context);
}
int task_nbr;
for (task_nbr = 0; task_nbr < NBR_WORKERS * 10; task_nbr++) {
// LRU worker is next waiting in queue
std::string address = s_recv (client);
{
// receiving and discarding'empty' message
s_recv (client);
// receiving and discarding 'ready' message
s_recv (client);
}
s_sendmore (client, address);
s_sendmore (client, "");
s_send (client, "This is the workload");
}
// Now ask mamas to shut down and report their results
for (worker_nbr = 0; worker_nbr < NBR_WORKERS; worker_nbr++) {
std::string address = s_recv (client);
{
// receiving and discarding'empty' message
s_recv (client);
// receiving and discarding 'ready' message
s_recv (client);
}
s_sendmore (client, address);
s_sendmore (client, "");
s_send (client, "END");
}
sleep (1); // Give 0MQ/2.0.x time to flush output
return 0;
}