Function GetKeepaliveValue

test/brpc_socket_unittest.cpp:1049–1086

}

void GetKeepaliveValue(int fd,
                       int& keepalive,
                       int& keepalive_idle,
                       int& keepalive_interval,
                       int& keepalive_count) {
    {
        socklen_t len = sizeof(keepalive);
        ASSERT_EQ(0, getsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &keepalive, &len));

    }

    {
        socklen_t len = sizeof(keepalive_idle);
#if defined(OS_MACOSX)
        ASSERT_EQ(0, getsockopt(fd, IPPROTO_TCP, TCP_KEEPALIVE, &keepalive_idle, &len));
#elif defined(OS_LINUX)
        ASSERT_EQ(0, getsockopt(fd, SOL_TCP, TCP_KEEPIDLE, &keepalive_idle, &len));
#endif
    }

    {
        socklen_t len = sizeof(keepalive_interval);
#if defined(OS_MACOSX)
        ASSERT_EQ(0, getsockopt(fd, IPPROTO_TCP, TCP_KEEPINTVL, &keepalive_interval, &len));
#elif defined(OS_LINUX)
        ASSERT_EQ(0, getsockopt(fd, SOL_TCP, TCP_KEEPINTVL, &keepalive_interval, &len));
#endif
    }

    {
        socklen_t len = sizeof(keepalive_count);
#if defined(OS_MACOSX)
        ASSERT_EQ(0, getsockopt(fd, IPPROTO_TCP, TCP_KEEPCNT, &keepalive_count, &len));
#elif defined(OS_LINUX)
        ASSERT_EQ(0, getsockopt(fd, SOL_TCP, TCP_KEEPCNT, &keepalive_count, &len));
#endif
    }
}

void CheckNoKeepalive(int fd) {
    int keepalive = -1;