Function exec

be/src/util/webserver-test.cc:77–88

};

string exec(const char* cmd) {
    std::array<char, 1024> buffer;
    string result;
    unique_ptr<FILE> pipe(popen(cmd, "r"));
    if (!pipe) {
      throw std::runtime_error(Substitute("popen() failed with $0", errno));
    }
    while (fgets(buffer.data(), buffer.size(), pipe.get()) != nullptr) {
      result += buffer.data();
    }
    return result;
}

TEST(Webserver, SmokeTest) {
  MetricGroup metrics("webserver-test");