#include "robust.h"
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#include "util.h"
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#include <boost/circular_buffer.hpp>
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using namespace robust;
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enum {
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eLockerBits = 32,
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eLockerMask = MaskBits(sizeof(int) * 8),
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};
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void MySleep()
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{
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std::this_thread::sleep_for(2us);
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}
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/////////////////////////////////////////////////////////////////////////////////////////
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BOOST_AUTO_TEST_CASE(InitTest)
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{
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AtomicReqRep rr;
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auto client = [&]() {
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for (int i = 0; i < 5; ++i) {
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int64_t reply = 0;
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bool r = rr.ClientRequest(i, reply);
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printf("init request %d, %s, reply %d\n", i, (r ? "ok" : "failed"), reply);
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}
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};
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bool run = true;
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auto server = [&]() {
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auto onReq = [](int64_t req) { return req + 100; };
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while (run) {
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rr.ServerProcess(onReq);
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}
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};
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ThreadManager clients, servers;
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servers.Launch(server);
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for (int i = 0; i < 2; ++i) {
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clients.Launch(client);
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}
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clients.WaitAll();
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run = false;
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servers.WaitAll();
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}
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BOOST_AUTO_TEST_CASE(QueueTest)
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{
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const int nthread = 100;
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const uint64_t nmsg = 1000 * 1000 * 10;
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SharedMemory &shm = TestShm();
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shm.Remove();
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// return; /////////////////////////////////////////////////
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int64_t i64 = 0;
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char c = 0;
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for (int i = 0; i < 256; ++i) {
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c = i;
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i64 = int64_t(c) << 1;
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BOOST_CHECK_EQUAL(c, (i64 >> 1));
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uint64_t u64 = i;
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BOOST_CHECK_EQUAL((u64 & 255), i);
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}
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uint64_t correct_total = nmsg * (nmsg - 1) / 2;
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std::atomic<uint64_t> total(0);
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std::atomic<uint64_t> nwrite(0);
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std::atomic<uint64_t> writedone(0);
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#if 1
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const int kPower = 0;
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typedef AtomicQueue<kPower> Rcb;
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Rcb tmp;
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// BOOST_CHECK(tmp.like_empty());
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BOOST_CHECK(tmp.push(1));
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if (kPower != 0) {
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BOOST_CHECK(tmp.tail() == 1);
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}
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BOOST_CHECK(tmp.head() == 0);
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int64_t d;
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BOOST_CHECK(tmp.pop(d));
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if (kPower != 0) {
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// BOOST_CHECK(tmp.like_empty());
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BOOST_CHECK(tmp.head() == 1);
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BOOST_CHECK(tmp.tail() == 1);
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}
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ShmObject<Rcb> rcb(shm, "test_rcb");
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bool try_more = true;
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auto Writer = [&]() {
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uint64_t n = 0;
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while ((n = nwrite++) < nmsg) {
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while (!rcb->push(n, try_more)) {
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// MySleep();
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}
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++writedone;
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}
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};
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std::atomic<uint64_t> nread(0);
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auto Reader = [&]() {
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while (nread.load() < nmsg) {
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int64_t d;
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if (rcb->pop(d, try_more)) {
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++nread;
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total += d;
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} else {
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// MySleep();
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}
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}
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};
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#else
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typedef Circular<int64_t> Rcb;
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ShmObject<Rcb> rcb(shm, "test_rcb", 16, shm.get_segment_manager());
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typedef FMutex Mutex;
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// typedef SemMutex Mutex;
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Mutex mtx(123);
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auto Writer = [&]() {
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uint64_t n = 0;
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while ((n = nwrite++) < nmsg) {
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auto Write = [&]() {
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robust::Guard<Mutex> lk(mtx);
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if (rcb->full()) {
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return false;
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} else {
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rcb->push_back(n);
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return true;
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}
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// return rcb->push_back(n);
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};
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while (!Write()) {
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// MySleep();
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}
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++writedone;
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}
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};
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std::atomic<uint64_t> nread(0);
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auto Reader = [&]() {
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while (nread.load() < nmsg) {
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int64_t d;
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auto Read = [&]() {
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robust::Guard<Mutex> lk(mtx);
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if (rcb->empty()) {
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return false;
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} else {
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d = rcb->front();
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rcb->pop_front();
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return true;
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}
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// return rcb->pop_front(d);
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};
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if (Read()) {
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++nread;
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total += d;
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} else {
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// MySleep();
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}
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}
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};
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#endif
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auto status = [&]() {
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auto next = steady_clock::now();
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uint32_t lw = 0;
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uint32_t lr = 0;
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do {
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std::this_thread::sleep_until(next);
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next += 1s;
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auto w = writedone.load();
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auto r = nread.load();
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printf("write: %6ld, spd: %6ld, read: %6ld, spd: %6ld\n",
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w, w - lw, r, r - lr);
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lw = w;
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lr = r;
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} while (nread.load() < nmsg);
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};
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std::thread st(status);
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{
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ThreadManager threads;
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boost::timer::auto_cpu_timer timer;
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// printf("Testing Robust Buffer, msgs %ld, queue size: %d, threads: %d \n", nmsg, Rcb::capacity, nthread);
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printf("Testing Robust Buffer, msgs %ld, queue size: %d, threads: %d \n", nmsg, 16, nthread);
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for (int i = 0; i < nthread; ++i) {
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threads.Launch(Reader);
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threads.Launch(Writer);
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}
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threads.WaitAll();
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}
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st.join();
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printf("total: %ld, expected: %ld\n", total.load(), correct_total);
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BOOST_CHECK_EQUAL(total.load(), correct_total);
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}
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