From cf05ea3d9f43e4e84d621e1f9d54cbef552b6e2b Mon Sep 17 00:00:00 2001 From: lichao <lichao@aiotlink.com> Date: 星期二, 18 五月 2021 16:53:28 +0800 Subject: [PATCH] fix center init mutex. --- utest/api_test.cpp | 240 ++++++----------------------------------------------------- 1 files changed, 26 insertions(+), 214 deletions(-) diff --git a/utest/api_test.cpp b/utest/api_test.cpp index 6682aaf..44c809d 100644 --- a/utest/api_test.cpp +++ b/utest/api_test.cpp @@ -16,6 +16,7 @@ * ===================================================================================== */ #include "bh_api.h" +#include "robust.h" #include "util.h" #include <atomic> #include <boost/lockfree/queue.hpp> @@ -96,216 +97,10 @@ // printf("client Recv reply : %s\n", reply.data().c_str()); } -class TLMutex -{ - typedef boost::interprocess::interprocess_mutex MutexT; - // typedef CasMutex MutexT; - // typedef std::mutex MutexT; - typedef std::chrono::steady_clock Clock; - typedef Clock::duration Duration; - static Duration Now() { return Clock::now().time_since_epoch(); } - - const Duration limit_; - std::atomic<Duration> last_lock_time_; - MutexT mutex_; - bool Expired(const Duration diff) { return diff > limit_; } - -public: - struct Status { - int64_t nlock_ = 0; - int64_t nupdate_time_fail = 0; - int64_t nfail = 0; - int64_t nexcept = 0; - }; - Status st_; - - explicit TLMutex(Duration limit) : - limit_(limit) {} - TLMutex() : - TLMutex(std::chrono::seconds(1)) {} - ~TLMutex() { static_assert(std::is_pod<Duration>::value); } - bool try_lock() - { - if (mutex_.try_lock()) { - auto old_time = last_lock_time_.load(); - auto cur = Now(); - if (Expired(cur - old_time)) { - return last_lock_time_.compare_exchange_strong(old_time, cur); - } else { - last_lock_time_.store(Now()); - return true; - } - } else { - auto old_time = last_lock_time_.load(); - auto cur = Now(); - if (Expired(cur - old_time)) { - return last_lock_time_.compare_exchange_strong(old_time, cur); - } else { - return false; - } - } - } - void lock() - { - int n = 0; - while (!try_lock()) { - n++; - std::this_thread::yield(); - } - st_.nlock_ += n; - } - void unlock() - { - auto old_time = last_lock_time_.load(); - auto cur = Now(); - if (!Expired(cur - old_time)) { - if (last_lock_time_.compare_exchange_strong(old_time, cur)) { - mutex_.unlock(); - } - } - } -}; - -//robust attr does NOT work, maybe os does not support it. -class RobustMutex -{ -public: - RobustMutex() - { - pthread_mutexattr_t mutex_attr; - auto attr = [&]() { return &mutex_attr; }; - int r = pthread_mutexattr_init(attr()); - r |= pthread_mutexattr_setpshared(attr(), PTHREAD_PROCESS_SHARED); - r |= pthread_mutexattr_setrobust_np(attr(), PTHREAD_MUTEX_ROBUST_NP); - r |= pthread_mutex_init(mtx(), attr()); - int rob = 0; - pthread_mutexattr_getrobust_np(attr(), &rob); - int shared = 0; - pthread_mutexattr_getpshared(attr(), &shared); - printf("robust : %d, shared : %d\n", rob, shared); - r |= pthread_mutexattr_destroy(attr()); - if (r) { - throw("init mutex error."); - } - } - ~RobustMutex() - { - pthread_mutex_destroy(mtx()); - } - -public: - void lock() { Lock(); } - bool try_lock() - { - int r = TryLock(); - printf("TryLock ret: %d\n", r); - return r == 0; - } - - void unlock() { Unlock(); } - - // private: - int TryLock() { return pthread_mutex_trylock(mtx()); } - int Lock() { return pthread_mutex_lock(mtx()); } - int Unlock() { return pthread_mutex_unlock(mtx()); } - -private: - pthread_mutex_t *mtx() { return &mutex_; } - pthread_mutex_t mutex_; -}; - -class LockFreeQueue -{ - typedef int64_t Data; - typedef boost::lockfree::queue<Data, boost::lockfree::capacity<1024>> LFQueue; - void push_back(Data d) { queue_.push(d); } - -private: - LFQueue queue_; -}; - } // namespace - -BOOST_AUTO_TEST_CASE(MutexTest) -{ - SharedMemory &shm = TestShm(); - // shm.Remove(); - // return; - GlobalInit(shm); - - const std::string mtx_name("test_mutex"); - const std::string int_name("test_int"); - auto mtx = shm.FindOrCreate<TLMutex>(mtx_name); - auto pi = shm.FindOrCreate<int>(int_name, 100); - - std::mutex m; - typedef std::chrono::steady_clock Clock; - auto Now = []() { return Clock::now().time_since_epoch(); }; - if (pi) { - auto old = *pi; - printf("int : %d, add1: %d\n", old, ++*pi); - } - - { - boost::timer::auto_cpu_timer timer; - printf("test time: "); - TLMutex mutex; - // CasMutex mutex; - auto Lock = [&]() { - for (int i = 0; i < 10; ++i) { - mutex.lock(); - mutex.unlock(); - } - }; - std::thread t1(Lock), t2(Lock); - t1.join(); - t2.join(); - printf("mutex nlock: %ld, update time error: %ld, normal fail: %ld, error wait: %ld\n", - mutex.st_.nlock_, - mutex.st_.nupdate_time_fail, - mutex.st_.nfail, - mutex.st_.nexcept); - } - - auto MSFromNow = [](const int ms) { - using namespace boost::posix_time; - ptime cur = boost::posix_time::microsec_clock::universal_time(); - return cur + millisec(ms); - }; - - auto TryLock = [&]() { - if (mtx->try_lock()) { - printf("try_lock ok\n"); - return true; - } else { - printf("try_lock failed\n"); - return false; - } - }; - auto Unlock = [&]() { - mtx->unlock(); - printf("unlocked\n"); - }; - - if (mtx) { - printf("mtx exists\n"); - if (TryLock()) { - auto op = [&]() { - if (TryLock()) { - Unlock(); - } - }; - op(); - std::thread t(op); - t.join(); - // Unlock(); - } else { - // mtx->unlock(); - } - } else { - printf("mtx not exists\n"); - } -} +#include <chrono> +using namespace std::chrono; +// using namespace std::chrono_literals; BOOST_AUTO_TEST_CASE(ApiTest) { @@ -323,6 +118,8 @@ printf("maxsec: %ld\n", CountSeconds(max_time)); + // BHCleanup(); + // return; bool reg = false; for (int i = 0; i < 3 && !reg; ++i) { ProcInfo proc; @@ -332,7 +129,14 @@ void *reply = 0; int reply_len = 0; reg = BHRegister(proc_buf.data(), proc_buf.size(), &reply, &reply_len, 2000); - printf("register %s\n", reg ? "ok" : "failed"); + if (reg) { + printf("register ok\n"); + } else { + int ec = 0; + std::string msg; + GetLastError(ec, msg); + printf("register failed, %d, %s\n", ec, msg.c_str()); + } BHFree(reply, reply_len); Sleep(1s); @@ -354,7 +158,7 @@ bool r = BHRegisterTopics(s.data(), s.size(), &reply, &reply_len, 1000); BHFree(reply, reply_len); // printf("register topic : %s\n", r ? "ok" : "failed"); - Sleep(1s); + // Sleep(1s); } { // Subscribe @@ -442,6 +246,7 @@ DEFER1(BHFree(msg_id, len);); // Sleep(10ms, false); std::string dest(BHAddress().SerializeAsString()); + bool r = BHAsyncRequest(dest.data(), dest.size(), s.data(), s.size(), 0, 0); if (r) { ++Status().nrequest_; @@ -487,18 +292,22 @@ threads.Launch(hb, &run); threads.Launch(showStatus, &run); int ncli = 10; - const uint64_t nreq = 1000 * 10; + const int64_t nreq = 1000 * 100; for (int i = 0; i < ncli; ++i) { threads.Launch(asyncRequest, nreq); } + // for (int i = 0; i < 100; ++i) { + // SyncRequest(0); + // } int same = 0; - int64_t last = 0; - while (last < nreq * ncli && same < 2) { + uint64_t last = 0; + while (last < nreq * ncli && same < 3) { Sleep(1s, false); auto cur = Status().nreply_.load(); if (last == cur) { ++same; + printf("same %d\n", same); } else { last = cur; same = 0; @@ -508,5 +317,8 @@ run = false; threads.WaitAll(); auto &st = Status(); + Sleep(1s); printf("nreq: %8ld, nsrv: %8ld, nreply: %8ld\n", st.nrequest_.load(), st.nserved_.load(), st.nreply_.load()); + BHCleanup(); + printf("after cleanup\n"); } \ No newline at end of file -- Gitblit v1.8.0