rtthread 系统下开启dhcp可以分配动态iP也可以ping通，但是用socket接口连接不上，返回0xfc错误提示路由问题

kdo · 发表于 2017-10-15 16:49:24

static void tcp_client_thread(void *arg)
{
int clientSocket;
struct sockaddr_in serverAddr;
char sendbuf[200];
char recvbuf[200];
int iDataNum;
if((clientSocket = socket(AF_INET, SOCK_STREAM, 0)) < 0)
  {
//       perror("socket");
//       return 1;
}

serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(CLIENT_PORT);
serverAddr.sin_addr.s_addr = inet_addr(INADDR);
if(connect(clientSocket, (struct sockaddr *)&serverAddr, sizeof(serverAddr)) < 0)
{
   rt_kprintf("connect");
//       return 1;
}

rt_kprintf("connect with destination host...\n");

while(1)
{
      send(clientSocket, sendbuf, strlen(sendbuf), 0);
      if(strcmp(sendbuf, "quit") == 0)
         break;
      iDataNum = recv(clientSocket, recvbuf, 200, 0);
      recvbuf[iDataNum] = '\0';
      rt_kprintf("recv data of my world is: %s\n", recvbuf);
}
lwip_close(clientSocket);

}