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