Function auth_fighter

test/brpc_socket_unittest.cpp:150–161

const int AUTH_ERR = -9;

void* auth_fighter(void* arg) {
    bthread_usleep(10000);
    int auth_error = 0;
    brpc::Socket* s = (brpc::Socket*)arg;
    if (s->FightAuthentication(&auth_error) == 0) {
        winner_count.fetch_add(1);
        s->SetAuthentication(AUTH_ERR);
    } else {
        EXPECT_EQ(AUTH_ERR, auth_error);        
    }
    return NULL;
}

TEST_F(SocketTest, authentication) {
    brpc::SocketId id;