text: /*
   * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
   * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this list of
   *    conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice, this list
   *    of conditions and the following disclaimer in the documentation and/or other materials
   *    provided with the distribution.
   *
   * 3. Neither the name of the copyright holder nor the names of its contributors may be used
   *    to endorse or promote products derived from this software without specific prior written
   *    permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
   * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "lwip_test.h"
  #include "lwipopts.h"
  #include <arch/sys_arch.h>
  #include <lwip/sys.h>
  
  #define SRV_MSG "Hi, I am TCP server"
  #define CLI_MSG "Hi, I am TCP client"
  
  #define TEST_CASE 200
  #define STACK_PORT_10 2230
  #define POLL_OPEN_MAX 10
  #define TIME_OUT (1000 * 10) // timeout 10s
  static char g_buf[BUF_SIZE + 1] = { 0 };
  
  static int SampleTcpServer()
  {
  #if LWIP_SOCKET_POLL
      g_testCase++;
      int sfd, lsfd;
      struct sockaddr_in srvAddr = { 0 };
      struct sockaddr_in clnAddr = { 0 };
      socklen_t clnAddrLen = sizeof(clnAddr);
      struct pollfd client[POLL_OPEN_MAX] = {0};
      int ret;
  
      /* tcp server */
      lsfd = socket(AF_INET, SOCK_STREAM, 0);
      LogPrintln("create server socket inet stream: %d", lsfd);
      ICUNIT_ASSERT_NOT_EQUAL(lsfd, -1, 1);
  
      srvAddr.sin_family = AF_INET;
      srvAddr.sin_addr.s_addr = inet_addr(STACK_IP);
      srvAddr.sin_port = htons(STACK_PORT_10);
      ret = bind(lsfd, (struct sockaddr*)&srvAddr, sizeof(srvAddr));
      LogPrintln("bind socket %d to %s:%d: %d", lsfd, inet_ntoa(srvAddr.sin_addr), ntohs(srvAddr.sin_port), ret);
      ICUNIT_ASSERT_EQUAL(ret, 0, 2);
  
      ret = listen(lsfd, 0);
      LogPrintln("listen socket %d: %d", lsfd, ret);
      ICUNIT_ASSERT_EQUAL(ret, 0, 3);
  
      client[0].fd = lsfd;
      client[0].events = POLLIN;
      ret = poll(client, 1, TIME_OUT);
      if (ret < 0) {
          LogPrintln("poll error");
          ICUNIT_ASSERT_EQUAL(-1, 0, 4);
      } else if (ret == 0) {
          LogPrintln("poll timeout");
          ICUNIT_ASSERT_EQUAL(-1, 0, 5);
      }
  
      sfd = accept(lsfd, (struct sockaddr*)&clnAddr, &clnAddrLen);
      LogPrintln("accept socket %d: %d <%s:%d>", lsfd, sfd, inet_ntoa(clnAddr.sin_addr), ntohs(clnAddr.sin_port));
      ICUNIT_ASSERT_NOT_EQUAL(sfd, -1, 6);
  
      /* recv */
      (void)memset_s(g_buf, sizeof(g_buf), 0, sizeof(g_buf));
      ret = recv(sfd, g_buf, sizeof(g_buf), 0);
      LogPrintln("server recv on socket %d: %d", sfd, ret);
      LogPrintln("ser:%s", g_buf);
      ICUNIT_ASSERT_EQUAL(ret, strlen(CLI_MSG), 7);
  
      ret = closesocket(sfd);
      ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 8);
      ret = closesocket(lsfd);
      ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 9);
  #endif
      return 0;
  }
  
  static int SampleTcpClient()
  {
  #if LWIP_SOCKET_POLL
      g_testCase++;
      int sfd;
      struct sockaddr_in srvAddr = { 0 };
      int ret;
  
      /* tcp client connection */
      sfd = socket(AF_INET, SOCK_STREAM, 0);
      LogPrintln("create client socket inet stream: %d", sfd);
      ICUNIT_ASSERT_NOT_EQUAL(sfd, -1, 10);
  
      srvAddr.sin_family = AF_INET;
      srvAddr.sin_addr.s_addr = inet_addr(PEER_IP);
      srvAddr.sin_port = htons(STACK_PORT_10);
      ret = connect(sfd, (struct sockaddr*)&srvAddr, sizeof(srvAddr));
      LogPrintln("connect socket %d to %s:%d: %d", sfd, inet_ntoa(srvAddr.sin_addr), ntohs(srvAddr.sin_port), ret);
      ICUNIT_ASSERT_EQUAL(ret, 0, 11);
  
      /* send */
      (void)memset_s(g_buf, sizeof(g_buf), 0, sizeof(g_buf));
      (void)strcpy_s(g_buf, sizeof(g_buf), CLI_MSG);
      ret = send(sfd, g_buf, strlen(CLI_MSG), 0);
      LogPrintln("client send on socket %d: %d", sfd, ret);
      ICUNIT_ASSERT_EQUAL(ret, strlen(CLI_MSG), 12);
  
      ret = closesocket(sfd);
      ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 13);
  #endif
      return 0;
  }
  
  static void TcpServerRoutine(void *p)
  {
      (void)p;
      (void)SampleTcpServer();
  }
  
  static void TcpClientRoutine(void *p)
  {
      (void)p;
      (void)SampleTcpClient();
  }
  
  void TcpTestPoll()
  {
      LogPrintln("net_socket_test_010.c enter");
      g_testCase = TEST_CASE;
      int ret;
      ret = sys_thread_new("tcp_server_poll", TcpServerRoutine, NULL,
          STACK_TEST_SIZE, TCPIP_THREAD_PRIO);
      ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 23);
  
      ret = sys_thread_new("tcp_client_poll", TcpClientRoutine, NULL,
          STACK_TEST_SIZE, TCPIP_THREAD_PRIO);
      ICUNIT_ASSERT_NOT_EQUAL(ret, -1, 24);
  }
  