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UIPServer.cpp@4:d774541a34da, 2015-03-08 (annotated)
- Committer:
- hudakz
- Date:
- Sun Mar 08 20:26:56 2015 +0000
- Revision:
- 4:d774541a34da
- Parent:
- 2:049ce85163c5
- Child:
- 8:4acb22344932
Version 1.09 (fixed leaking client-data caused by race-condition on remote close)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hudakz | 4:d774541a34da | 1 | /* |
hudakz | 4:d774541a34da | 2 | UIPServer.cpp - Arduino implementation of a uIP wrapper class. |
hudakz | 4:d774541a34da | 3 | Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de> |
hudakz | 4:d774541a34da | 4 | All rights reserved. |
hudakz | 4:d774541a34da | 5 | |
hudakz | 4:d774541a34da | 6 | This program is free software: you can redistribute it and/or modify |
hudakz | 4:d774541a34da | 7 | it under the terms of the GNU General Public License as published by |
hudakz | 4:d774541a34da | 8 | the Free Software Foundation, either version 3 of the License, or |
hudakz | 4:d774541a34da | 9 | (at your option) any later version. |
hudakz | 4:d774541a34da | 10 | |
hudakz | 4:d774541a34da | 11 | This program is distributed in the hope that it will be useful, |
hudakz | 4:d774541a34da | 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
hudakz | 4:d774541a34da | 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
hudakz | 4:d774541a34da | 14 | GNU General Public License for more details. |
hudakz | 4:d774541a34da | 15 | |
hudakz | 4:d774541a34da | 16 | You should have received a copy of the GNU General Public License |
hudakz | 4:d774541a34da | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
hudakz | 4:d774541a34da | 18 | */ |
hudakz | 4:d774541a34da | 19 | #include "UIPEthernet.h" |
hudakz | 4:d774541a34da | 20 | #include "UIPServer.h" |
hudakz | 4:d774541a34da | 21 | extern "C" |
hudakz | 4:d774541a34da | 22 | { |
hudakz | 4:d774541a34da | 23 | #include "utility/uip-conf.h" |
hudakz | 4:d774541a34da | 24 | } |
hudakz | 4:d774541a34da | 25 | /** |
hudakz | 4:d774541a34da | 26 | * @brief |
hudakz | 4:d774541a34da | 27 | * @note |
hudakz | 4:d774541a34da | 28 | * @param |
hudakz | 4:d774541a34da | 29 | * @retval |
hudakz | 4:d774541a34da | 30 | */ |
hudakz | 4:d774541a34da | 31 | UIPServer::UIPServer(uint16_t port) : |
hudakz | 4:d774541a34da | 32 | _port(htons(port)) |
hudakz | 4:d774541a34da | 33 | { } |
hudakz | 4:d774541a34da | 34 | |
hudakz | 4:d774541a34da | 35 | /** |
hudakz | 4:d774541a34da | 36 | * @brief |
hudakz | 4:d774541a34da | 37 | * @note |
hudakz | 4:d774541a34da | 38 | * @param |
hudakz | 4:d774541a34da | 39 | * @retval |
hudakz | 4:d774541a34da | 40 | */ |
hudakz | 4:d774541a34da | 41 | UIPClient UIPServer::available(void) { |
hudakz | 4:d774541a34da | 42 | UIPEthernet.tick(); |
hudakz | 4:d774541a34da | 43 | for(uip_userdata_t * data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++) { |
hudakz | 4:d774541a34da | 44 | if |
hudakz | 4:d774541a34da | 45 | ( |
hudakz | 4:d774541a34da | 46 | data->packets_in[0] != NOBLOCK |
hudakz | 4:d774541a34da | 47 | && ( |
hudakz | 4:d774541a34da | 48 | ((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport == _port) |
hudakz | 4:d774541a34da | 49 | || ((data->state & UIP_CLIENT_REMOTECLOSED) && ((uip_userdata_closed_t*)data)->lport == _port) |
hudakz | 4:d774541a34da | 50 | ) |
hudakz | 4:d774541a34da | 51 | ) return UIPClient(data); |
hudakz | 4:d774541a34da | 52 | } |
hudakz | 4:d774541a34da | 53 | |
hudakz | 4:d774541a34da | 54 | return UIPClient(); |
hudakz | 4:d774541a34da | 55 | } |
hudakz | 4:d774541a34da | 56 | |
hudakz | 4:d774541a34da | 57 | /** |
hudakz | 4:d774541a34da | 58 | * @brief |
hudakz | 4:d774541a34da | 59 | * @note |
hudakz | 4:d774541a34da | 60 | * @param |
hudakz | 4:d774541a34da | 61 | * @retval |
hudakz | 4:d774541a34da | 62 | */ |
hudakz | 4:d774541a34da | 63 | void UIPServer::begin(void) { |
hudakz | 4:d774541a34da | 64 | uip_listen(_port); |
hudakz | 4:d774541a34da | 65 | UIPEthernet.tick(); |
hudakz | 4:d774541a34da | 66 | } |
hudakz | 4:d774541a34da | 67 | |
hudakz | 4:d774541a34da | 68 | /** |
hudakz | 4:d774541a34da | 69 | * @brief |
hudakz | 4:d774541a34da | 70 | * @note |
hudakz | 4:d774541a34da | 71 | * @param |
hudakz | 4:d774541a34da | 72 | * @retval |
hudakz | 4:d774541a34da | 73 | */ |
hudakz | 4:d774541a34da | 74 | size_t UIPServer::write(uint8_t c) { |
hudakz | 4:d774541a34da | 75 | return write(&c, 1); |
hudakz | 4:d774541a34da | 76 | } |
hudakz | 4:d774541a34da | 77 | |
hudakz | 4:d774541a34da | 78 | /** |
hudakz | 4:d774541a34da | 79 | * @brief |
hudakz | 4:d774541a34da | 80 | * @note |
hudakz | 4:d774541a34da | 81 | * @param |
hudakz | 4:d774541a34da | 82 | * @retval |
hudakz | 4:d774541a34da | 83 | */ |
hudakz | 4:d774541a34da | 84 | size_t UIPServer::write(const uint8_t* buf, size_t size) { |
hudakz | 4:d774541a34da | 85 | size_t ret = 0; |
hudakz | 4:d774541a34da | 86 | for(uip_userdata_t * data = &UIPClient::all_data[0]; data < &UIPClient::all_data[UIP_CONNS]; data++) { |
hudakz | 4:d774541a34da | 87 | if((data->state & UIP_CLIENT_CONNECTED) && uip_conns[data->state & UIP_CLIENT_SOCKETS].lport == _port) |
hudakz | 4:d774541a34da | 88 | ret += UIPClient::_write(data, buf, size); |
hudakz | 4:d774541a34da | 89 | } |
hudakz | 4:d774541a34da | 90 | |
hudakz | 4:d774541a34da | 91 | return ret; |
hudakz | 4:d774541a34da | 92 | } |