C++ (Cpp) Connection Examples

Example #1

File: portotest.cpp Project: yandex/porto

static int TestConnectivity() {
    using namespace test;

    Porto::Connection api;

    std::vector<std::string> containers;
    ExpectApiSuccess(api.List(containers));

    std::string name = "a";
    ExpectApiSuccess(api.Create(name));
    ExpectApiSuccess(api.Destroy(name));

    return 0;
}

Example #2

File: test.cpp Project: noxiouz/porto

void AsRoot(Porto::Connection &api) {
    api.Close();

    ExpectEq(seteuid(0), 0);
    ExpectEq(setegid(0), 0);
    ExpectEq(setgroups(0, nullptr), 0);
}

Example #3

File: test.cpp Project: noxiouz/porto

void ExpectApi(Porto::Connection &api, int ret, int exp, const char *where) {
    std::stringstream ss;

    if (ret == exp)
        return;

    int err;
    std::string msg;
    api.GetLastError(err, msg);
    TError error((rpc::EError)err, msg);
    ss << "Got error from libporto: " << error << " (" << ret << " != " << exp << ") at " << where;

    throw ss.str();
}

Example #4

File: test.cpp Project: noxiouz/porto

void WaitPortod(Porto::Connection &api, int times) {
    Say() << "Waiting for portod startup" << std::endl;

    std::vector<std::string> clist;
    do {
        if (times-- <= 0)
            break;

        usleep(1000000);

    } while (api.List(clist) != 0);

    if (times <= 0)
        throw std::string("Waited too long for portod startup");
}

Example #5

File: test.cpp Project: noxiouz/porto

void WaitState(Porto::Connection &api, const std::string &name, const std::string &state, int sec) {
    Say() << "Waiting for " << name << " to be in state " << state << std::endl;

    int times = sec * 10;

    std::string ret;
    do {
        if (times-- <= 0)
            break;

        usleep(100000);

        (void)api.GetData(name, "state", ret);
    } while (ret != state);

    if (times <= 0)
        throw std::string("Waited too long for task to change state");
}

Example #6

File: test.cpp Project: noxiouz/porto

void TestDaemon(Porto::Connection &api) {
    struct dirent **lst;
    int pid;

    AsRoot(api);

    api.Close();
    sleep(1);

    Say() << "Make sure portod-slave doesn't have zombies" << std::endl;
    pid = ReadPid(config().slave_pid().path());
    ExpectEq(ChildrenNum(pid), 0);

    Say() << "Make sure portod-slave doesn't have invalid FDs" << std::endl;

    std::string path = ("/proc/" + std::to_string(pid) + "/fd");

    // when sssd is running getgrnam opens unix socket to read database
    int sssFd = 0;
    if (WordCount("/etc/nsswitch.conf", "sss"))
        sssFd = 3;

    /**
     * .
     * ..
     * 0 (stdin)
     * 1 (stdout)
     * 128 (event pipe)
     * 129 (ack pipe)
     * 130 (rpc socket)
     * 2 (stderr)
     * 3 (portod.log)
     * 4 (epoll)
     * 5 (host netlink)
     * 6 (signalfd)
     */
    int nr = scandir(path.c_str(), &lst, NULL, alphasort);
    PrintFds(path, lst, nr);
    ExpectLessEq(nr, 12 + sssFd);
    ExpectLessEq(12, nr);

    Say() << "Make sure portod-master doesn't have zombies" << std::endl;
    pid = ReadPid(config().master_pid().path());
    ExpectEq(ChildrenNum(pid), 1);

    Say() << "Make sure portod-master doesn't have invalid FDs" << std::endl;
    Say() << "Number of portod-master fds=" << nr << std::endl;
    path = ("/proc/" + std::to_string(pid) + "/fd");
    /**
     * .
     * ..
     * 0 (stdin)
     * 1 (stdout)
     * 130 (rpc socket)
     * 2 (stderr)
     * 3 (portoloop.log)
     * 4 (epoll)
     * 6 (event pipe)
     * 7 (ack pipe)
     * 9 (signalfd)
     */
    nr = scandir(path.c_str(), &lst, NULL, alphasort);
    PrintFds(path, lst, nr);
    ExpectLessEq(nr, 11 + sssFd);
    ExpectLessEq(11, nr);

    Say() << "Check portod-master queue size" << std::endl;
    std::string v;
    ExpectApiSuccess(api.GetData("/", "porto_stat[queued_statuses]", v));
    Expect(v == std::to_string(0));

    Say() << "Check portod-slave queue size" << std::endl;
    ExpectApiSuccess(api.GetData("/", "porto_stat[queued_events]", v));
    Expect(v != std::to_string(0)); // RotateLogs

    // TODO: check rtnl classes
}

Example #7

File: test.cpp Project: noxiouz/porto

void WaitContainer(Porto::Connection &api, const std::string &name, int sec) {
    std::string who;
    ExpectApiSuccess(api.WaitContainers({name}, who, sec));
    ExpectEq(who, name);
}