63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
#include <boost/interprocess/ipc/message_queue.hpp>
|
|
#include <iostream>
|
|
#include <vector>
|
|
#include <thread>
|
|
#include <chrono>
|
|
#include <cassert>
|
|
|
|
#define N 1024
|
|
#define MSGS 1e5
|
|
|
|
using namespace boost::interprocess;
|
|
|
|
message_queue *sub_queue(const char *name){
|
|
while (true){
|
|
try {
|
|
message_queue *mq = new message_queue(open_only, name);
|
|
return mq;
|
|
}
|
|
catch(interprocess_exception &ex){
|
|
std::this_thread::sleep_for(std::chrono::milliseconds(10));
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
message_queue *pub_queue(const char *name){
|
|
message_queue::remove(name);
|
|
message_queue *mq = new message_queue(create_only, name, 100, N);
|
|
return mq;
|
|
}
|
|
|
|
|
|
|
|
int main ()
|
|
{
|
|
message_queue *pq = pub_queue("queue_1");
|
|
message_queue *sq = sub_queue("queue_2");
|
|
std::cout << "Ready" << std::endl;
|
|
|
|
auto start = std::chrono::steady_clock::now();
|
|
char * rcv_msg = new char[N];
|
|
char * snd_msg = new char[N];
|
|
|
|
unsigned int priority;
|
|
std::size_t recvd_size;
|
|
|
|
for (int i = 0; i < MSGS; i++){
|
|
sprintf(snd_msg, "%d", i);
|
|
|
|
pq->send(snd_msg, N, 0);
|
|
sq->receive(rcv_msg, N, recvd_size, priority);
|
|
}
|
|
|
|
auto end = std::chrono::steady_clock::now();
|
|
double elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - start).count() / 1e9;
|
|
double throughput = ((double) MSGS / (double) elapsed);
|
|
|
|
std::cout << "Elapsed: " << elapsed << " s" << std::endl;
|
|
std::cout << "Throughput: " << throughput << " msg/s" << std::endl;
|
|
|
|
return 0;
|
|
}
|