#include <stdio.h>
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#include <string>
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#include <vector>
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#include <thread>
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#include <atomic>
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#include <boost/uuid/uuid_generators.hpp>
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#include <boost/uuid/uuid_io.hpp>
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#include "pubsub.h"
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#include "defs.h"
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#include "util.h"
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template <class A, class B> struct IsSameType { static const bool value = false; };
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template <class A> struct IsSameType<A,A> { static const bool value = true; };
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BOOST_AUTO_TEST_CASE(ShmTest)
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{
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const int size = 1024*1024;
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const std::string shm_name("ShmRemoveTest");
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SharedMemory m0(shm_name, size);
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int *p = m0.find_or_construct<int>("abc")(100);
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if (p) {
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printf("*p = %d\n", *p);
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++*p;
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}
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{
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SharedMemory m1(shm_name, size);
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m1.Remove();
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// m1.Remove();
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}
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if (p) {
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printf("again *p = %d\n", *p);
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// ++*p;
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}
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}
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BOOST_AUTO_TEST_CASE(PubSubTest)
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{
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const std::string shm_name("ShmPubSub");
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ShmRemover auto_remove(shm_name); //remove twice? in case of killed?
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SharedMemory shm(shm_name, 1024*1024*50);
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auto Avail = [&]() { return shm.get_free_memory(); };
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auto init_avail = Avail();
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BusManager bus(shm);
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bus.Start(1);
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std::this_thread::sleep_for(100ms);
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std::atomic<uint64_t> count(0);
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std::atomic<ptime> last_time(Now() - seconds(1));
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std::atomic<uint64_t> last_count(0);
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const uint64_t nmsg = 1000 * 100;
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const int timeout = 1000;
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auto Sub = [&](int id, const std::vector<std::string> &topics) {
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ShmMsgQueue client(shm, 8);
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client.Send(kBHBusQueueId, MakeSub(client.Id(), topics), timeout);
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for (int i = 0; i < nmsg * topics.size(); ++i) {
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BHMsg msg;
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if (client.Recv(msg, 1000)) {
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if (msg.type() != kMsgTypePublish) {
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BOOST_CHECK(false);
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}
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DataPub pub;
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if (!pub.ParseFromString(msg.body())) {
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BOOST_CHECK(false);
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}
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++count;
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auto cur = Now();
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if (last_time.exchange(cur) < cur) {
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std::cout << "time: " << cur;
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printf("sub recv, total msg:%10ld, speed:[%8ld/s], used mem:%8ld \n",
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count.load(), count - last_count.exchange(count), init_avail - Avail());
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}
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// printf("sub %2d recv: %s/%s\n", id, pub.topic().c_str(), pub.data().c_str());
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} else {
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printf("sub %2d recv timeout\n", id);
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}
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}
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};
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auto Pub = [&](const std::string &topic) {
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ShmMsgQueue provider(shm, 0);
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for (int i = 0; i < nmsg; ++i) {
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std::string data = topic + std::to_string(i);
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bool r = provider.Send(kBHBusQueueId, MakePub(topic, data.data(), data.size()), timeout);
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if (!r) {
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printf("pub ret: %s\n", r ? "ok" : "fail");
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}
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}
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};
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ThreadManager threads;
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typedef std::vector<std::string> Topics;
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Topics topics;
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topics.push_back("000-xxx");
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topics.push_back("111-football");
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topics.push_back("222-sport");
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// topics.push_back("333-sport");
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// topics.push_back("444-sport");
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Topics part;
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for (int i = 0; i < topics.size(); ++i) {
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part.push_back(topics[i]);
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threads.Launch(Sub, i, part);
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}
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std::this_thread::sleep_for(100ms);
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for (auto &topic: topics) {
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threads.Launch(Pub, topic);
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}
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threads.Launch(Pub, "some_else");
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threads.WaitAll();
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bus.Stop();
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}
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inline int MyMin(int a, int b) {
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printf("MyMin\n");
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return a < b ? a : b;
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}
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int test_main(int argc, char *argv[])
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{
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printf("test main\n");
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int a = 0;
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int b = 0;
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BOOST_CHECK_EQUAL(a, b);
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int n = MyMin(4,6);
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for (int i = 0; i < n; ++i) {
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printf("i = %d\n", i);
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}
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return 0;
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}
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