C++ (Cpp) my_socket_reuseaddr Beispiele

Beispiel #1

Datei: SocketServer.cpp Projekt: ForcerKing/ShaoqunXu-mysql5.7

bool
SocketServer::tryBind(unsigned short port, const char * intface) {
  struct sockaddr_in servaddr;
  memset(&servaddr, 0, sizeof(servaddr));
  servaddr.sin_family = AF_INET;
  servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
  servaddr.sin_port = htons(port);
  
  if(intface != 0){
    if(Ndb_getInAddr(&servaddr.sin_addr, intface))
      return false;
  }

  const NDB_SOCKET_TYPE sock = my_socket_create(AF_INET, SOCK_STREAM, 0);
  if (!my_socket_valid(sock))
    return false;

  DBUG_PRINT("info",("NDB_SOCKET: " MY_SOCKET_FORMAT,
                     MY_SOCKET_FORMAT_VALUE(sock)));

  if (my_socket_reuseaddr(sock, true) == -1)
  {
    NDB_CLOSE_SOCKET(sock);
    return false;
  }
  
  if (my_bind_inet(sock, &servaddr) == -1) {
    NDB_CLOSE_SOCKET(sock);
    return false;
  }

  NDB_CLOSE_SOCKET(sock);
  return true;
}

Beispiel #2

Datei: SocketClient.cpp Projekt: Baoxiyi-Github/Mysql

int
SocketClient::bind(const char* bindaddress, unsigned short localport)
{
  if (!my_socket_valid(m_sockfd))
    return -1;

  struct sockaddr_in local;
  memset(&local, 0, sizeof(local));
  local.sin_family = AF_INET;
  local.sin_port = htons(localport);
  // Convert ip address presentation format to numeric format
  if (Ndb_getInAddr(&local.sin_addr, bindaddress))
  {
    return errno ? errno : EINVAL;
  }

  if (my_socket_reuseaddr(m_sockfd, true) == -1)
  {
    int ret = my_socket_errno();
    my_socket_close(m_sockfd);
    my_socket_invalidate(&m_sockfd);
    return ret;
  }

  if (my_bind_inet(m_sockfd, &local) == -1)
  {
    int ret = my_socket_errno();
    my_socket_close(m_sockfd);
    my_socket_invalidate(&m_sockfd);
    return ret;
  }

  return 0;
}

Beispiel #3

Datei: SocketServer.cpp Projekt: ForcerKing/ShaoqunXu-mysql5.7

bool
SocketServer::setup(SocketServer::Service * service, 
		    unsigned short * port,
		    const char * intface){
  DBUG_ENTER("SocketServer::setup");
  DBUG_PRINT("enter",("interface=%s, port=%u", intface, *port));
  struct sockaddr_in servaddr;
  memset(&servaddr, 0, sizeof(servaddr));
  servaddr.sin_family = AF_INET;
  servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
  servaddr.sin_port = htons(*port);
  
  if(intface != 0){
    if(Ndb_getInAddr(&servaddr.sin_addr, intface))
      DBUG_RETURN(false);
  }
  
  const NDB_SOCKET_TYPE sock = my_socket_create(AF_INET, SOCK_STREAM, 0);
  if (!my_socket_valid(sock))
  {
    DBUG_PRINT("error",("socket() - %d - %s",
			socket_errno, strerror(socket_errno)));
    DBUG_RETURN(false);
  }

  DBUG_PRINT("info",("NDB_SOCKET: " MY_SOCKET_FORMAT,
                     MY_SOCKET_FORMAT_VALUE(sock)));

  if (my_socket_reuseaddr(sock, true) == -1)
  {
    DBUG_PRINT("error",("setsockopt() - %d - %s",
			errno, strerror(errno)));
    NDB_CLOSE_SOCKET(sock);
    DBUG_RETURN(false);
  }

  if (my_bind_inet(sock, &servaddr) == -1) {
    DBUG_PRINT("error",("bind() - %d - %s",
			socket_errno, strerror(socket_errno)));
    NDB_CLOSE_SOCKET(sock);
    DBUG_RETURN(false);
  }

  /* Get the port we bound to */
  if(my_socket_get_port(sock, port))
  {
    ndbout_c("An error occurred while trying to find out what"
	     " port we bound to. Error: %d - %s",
             socket_errno, strerror(socket_errno));
    my_socket_close(sock);
    DBUG_RETURN(false);
  }

  DBUG_PRINT("info",("bound to %u", *port));

  if (my_listen(sock, m_maxSessions > 32 ? 32 : m_maxSessions) == -1)
  {
    DBUG_PRINT("error",("listen() - %d - %s",
			socket_errno, strerror(socket_errno)));
    my_socket_close(sock);
    DBUG_RETURN(false);
  }

  ServiceInstance i;
  i.m_socket = sock;
  i.m_service = service;
  m_services.push_back(i);

  // Increase size to allow polling all listening ports
  m_services_poller.set_max_count(m_services.size());

  DBUG_RETURN(true);
}