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Socket/UDPSocket.h@63:42cb563a25bc, 2014-05-13 (annotated)

Committer:
mazgch
Date:
Tue May 13 12:31:33 2014 +0000
Revision:
63:42cb563a25bc
Child:
67:ff9472d344d4
some progress on UDP

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mazgch 63:42cb563a25bc 1 /* Copyright (C) 2012 mbed.org, MIT License
mazgch 63:42cb563a25bc 2 *
mazgch 63:42cb563a25bc 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mazgch 63:42cb563a25bc 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
mazgch 63:42cb563a25bc 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
mazgch 63:42cb563a25bc 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
mazgch 63:42cb563a25bc 7 * furnished to do so, subject to the following conditions:
mazgch 63:42cb563a25bc 8 *
mazgch 63:42cb563a25bc 9 * The above copyright notice and this permission notice shall be included in all copies or
mazgch 63:42cb563a25bc 10 * substantial portions of the Software.
mazgch 63:42cb563a25bc 11 *
mazgch 63:42cb563a25bc 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mazgch 63:42cb563a25bc 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mazgch 63:42cb563a25bc 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mazgch 63:42cb563a25bc 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mazgch 63:42cb563a25bc 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mazgch 63:42cb563a25bc 17 */
mazgch 63:42cb563a25bc 18
mazgch 63:42cb563a25bc 19 #ifndef UDPSOCKET_H
mazgch 63:42cb563a25bc 20 #define UDPSOCKET_H
mazgch 63:42cb563a25bc 21
mazgch 63:42cb563a25bc 22 #include "Socket/Socket.h"
mazgch 63:42cb563a25bc 23 #include "Socket/Endpoint.h"
mazgch 63:42cb563a25bc 24
mazgch 63:42cb563a25bc 25 /**
mazgch 63:42cb563a25bc 26 UDP Socket
mazgch 63:42cb563a25bc 27 */
mazgch 63:42cb563a25bc 28 class UDPSocket : public Socket {
mazgch 63:42cb563a25bc 29
mazgch 63:42cb563a25bc 30 public:
mazgch 63:42cb563a25bc 31 int init(void)
mazgch 63:42cb563a25bc 32 {
mazgch 63:42cb563a25bc 33 if (_mdm == NULL)
mazgch 63:42cb563a25bc 34 _mdm = MDMParser::getInstance();
mazgch 63:42cb563a25bc 35 if (_mdm == NULL)
mazgch 63:42cb563a25bc 36 return -1;
mazgch 63:42cb563a25bc 37 return 0;
mazgch 63:42cb563a25bc 38 }
mazgch 63:42cb563a25bc 39
mazgch 63:42cb563a25bc 40 int bind(int port) {
mazgch 63:42cb563a25bc 41 if (_socket < 0) {
mazgch 63:42cb563a25bc 42 _socket = _mdm->socketSocket(MDMParser::IPPROTO_UDP, port);
mazgch 63:42cb563a25bc 43 if (_socket < 0) {
mazgch 63:42cb563a25bc 44 return -1;
mazgch 63:42cb563a25bc 45 }
mazgch 63:42cb563a25bc 46 }
mazgch 63:42cb563a25bc 47 _mdm->socketSetBlocking(_socket, _timeout);
mazgch 63:42cb563a25bc 48 return 0;
mazgch 63:42cb563a25bc 49 }
mazgch 63:42cb563a25bc 50
mazgch 63:42cb563a25bc 51 int join_multicast_group(const char* address) { return -1; }
mazgch 63:42cb563a25bc 52
mazgch 63:42cb563a25bc 53 int set_broadcasting(bool broadcast=true) { return -1; }
mazgch 63:42cb563a25bc 54
mazgch 63:42cb563a25bc 55 int sendTo(Endpoint &remote, char *packet, int length)
mazgch 63:42cb563a25bc 56 {
mazgch 63:42cb563a25bc 57 char* str = remote.get_address();
mazgch 63:42cb563a25bc 58 int port = remote.get_port();
mazgch 63:42cb563a25bc 59 MDMParser::IP ip = _mdm->gethostbyname(str);
mazgch 63:42cb563a25bc 60 if (ip == NOIP)
mazgch 63:42cb563a25bc 61 return -1;
mazgch 63:42cb563a25bc 62 return _mdm->socketSendTo(_socket, ip, port, packet, length);
mazgch 63:42cb563a25bc 63 }
mazgch 63:42cb563a25bc 64
mazgch 63:42cb563a25bc 65 int receiveFrom(Endpoint &remote, char *buffer, int length)
mazgch 63:42cb563a25bc 66 {
mazgch 63:42cb563a25bc 67 MDMParser::IP ip;
mazgch 63:42cb563a25bc 68 int port;
mazgch 63:42cb563a25bc 69 int ret = _mdm->socketRecvFrom(_socket, &ip, &port, buffer, length);
mazgch 63:42cb563a25bc 70 if (ret >= 0) {
mazgch 63:42cb563a25bc 71 char str[17];
mazgch 63:42cb563a25bc 72 sprintf(str, IPSTR, IPNUM(ip));
mazgch 63:42cb563a25bc 73 remote.set_address(str, port);
mazgch 63:42cb563a25bc 74 }
mazgch 63:42cb563a25bc 75 return ret;
mazgch 63:42cb563a25bc 76 }
mazgch 63:42cb563a25bc 77 };
mazgch 63:42cb563a25bc 78
mazgch 63:42cb563a25bc 79 #endif