mbed OS5

Fork of UIPEthernet by Zoltan Hudak

UIPServer.cpp

Committer:
hudakz
Date:
2015-03-08
Revision:
4:d774541a34da
Parent:
2:049ce85163c5
Child:
8:4acb22344932

File content as of revision 4:d774541a34da:

/*
 UIPServer.cpp - Arduino implementation of a uIP wrapper class.
 Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
 All rights reserved.

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
#include "UIPEthernet.h"
#include "UIPServer.h"
extern "C"
{
#include "utility/uip-conf.h"
}
/**
 * @brief
 * @note
 * @param
 * @retval
 */
UIPServer::UIPServer(uint16_t port) :
    _port(htons(port))
{ }

/**
 * @brief
 * @note
 * @param
 * @retval
 */
UIPClient UIPServer::available(void) {
    UIPEthernet.tick();
    for(uip_userdata_t * data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++) {
        if
        (
            data->packets_in[0] != NOBLOCK
        &&  (
                ((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport == _port)
            ||  ((data->state & UIP_CLIENT_REMOTECLOSED) && ((uip_userdata_closed_t*)data)->lport == _port)
            )
        ) return UIPClient(data);
    }

    return UIPClient();
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
void UIPServer::begin(void) {
    uip_listen(_port);
    UIPEthernet.tick();
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
size_t UIPServer::write(uint8_t c) {
    return write(&c, 1);
}

/**
 * @brief
 * @note
 * @param
 * @retval
 */
size_t UIPServer::write(const uint8_t* buf, size_t size) {
    size_t  ret = 0;
    for(uip_userdata_t * data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++) {
        if((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport == _port)
            ret += UIPClient::_write(data, buf, size);
    }

    return ret;
}