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Dependencies:   EthernetInterface NTPClient SDFileSystem TextLCD WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip FATFileSystem

Committer:
Tuxitheone
Date:
Mon Feb 29 18:59:15 2016 +0000
Revision:
0:ecaf3e593122
TankCounter

Who changed what in which revision?

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Tuxitheone 0:ecaf3e593122 1 /* Copyright (C) 2012 mbed.org, MIT License
Tuxitheone 0:ecaf3e593122 2 *
Tuxitheone 0:ecaf3e593122 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Tuxitheone 0:ecaf3e593122 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Tuxitheone 0:ecaf3e593122 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Tuxitheone 0:ecaf3e593122 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Tuxitheone 0:ecaf3e593122 7 * furnished to do so, subject to the following conditions:
Tuxitheone 0:ecaf3e593122 8 *
Tuxitheone 0:ecaf3e593122 9 * The above copyright notice and this permission notice shall be included in all copies or
Tuxitheone 0:ecaf3e593122 10 * substantial portions of the Software.
Tuxitheone 0:ecaf3e593122 11 *
Tuxitheone 0:ecaf3e593122 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Tuxitheone 0:ecaf3e593122 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Tuxitheone 0:ecaf3e593122 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Tuxitheone 0:ecaf3e593122 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Tuxitheone 0:ecaf3e593122 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Tuxitheone 0:ecaf3e593122 17 */
Tuxitheone 0:ecaf3e593122 18 #ifndef SOCKET_H_
Tuxitheone 0:ecaf3e593122 19 #define SOCKET_H_
Tuxitheone 0:ecaf3e593122 20
Tuxitheone 0:ecaf3e593122 21 #include "lwip/sockets.h"
Tuxitheone 0:ecaf3e593122 22 #include "lwip/netdb.h"
Tuxitheone 0:ecaf3e593122 23
Tuxitheone 0:ecaf3e593122 24 //DNS
Tuxitheone 0:ecaf3e593122 25 inline struct hostent *gethostbyname(const char *name) {
Tuxitheone 0:ecaf3e593122 26 return lwip_gethostbyname(name);
Tuxitheone 0:ecaf3e593122 27 }
Tuxitheone 0:ecaf3e593122 28
Tuxitheone 0:ecaf3e593122 29 inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop) {
Tuxitheone 0:ecaf3e593122 30 return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
Tuxitheone 0:ecaf3e593122 31 }
Tuxitheone 0:ecaf3e593122 32
Tuxitheone 0:ecaf3e593122 33 class TimeInterval;
Tuxitheone 0:ecaf3e593122 34
Tuxitheone 0:ecaf3e593122 35 /** Socket file descriptor and select wrapper
Tuxitheone 0:ecaf3e593122 36 */
Tuxitheone 0:ecaf3e593122 37 class Socket {
Tuxitheone 0:ecaf3e593122 38 public:
Tuxitheone 0:ecaf3e593122 39 /** Socket
Tuxitheone 0:ecaf3e593122 40 */
Tuxitheone 0:ecaf3e593122 41 Socket();
Tuxitheone 0:ecaf3e593122 42
Tuxitheone 0:ecaf3e593122 43 /** Set blocking or non-blocking mode of the socket and a timeout on
Tuxitheone 0:ecaf3e593122 44 blocking socket operations
Tuxitheone 0:ecaf3e593122 45 \param blocking true for blocking mode, false for non-blocking mode.
Tuxitheone 0:ecaf3e593122 46 \param timeout timeout in ms [Default: (1500)ms].
Tuxitheone 0:ecaf3e593122 47 */
Tuxitheone 0:ecaf3e593122 48 void set_blocking(bool blocking, unsigned int timeout=1500);
Tuxitheone 0:ecaf3e593122 49
Tuxitheone 0:ecaf3e593122 50 /** Set socket options
Tuxitheone 0:ecaf3e593122 51 \param level stack level (see: lwip/sockets.h)
Tuxitheone 0:ecaf3e593122 52 \param optname option ID
Tuxitheone 0:ecaf3e593122 53 \param optval option value
Tuxitheone 0:ecaf3e593122 54 \param socklen_t length of the option value
Tuxitheone 0:ecaf3e593122 55 \return 0 on success, -1 on failure
Tuxitheone 0:ecaf3e593122 56 */
Tuxitheone 0:ecaf3e593122 57 int set_option(int level, int optname, const void *optval, socklen_t optlen);
Tuxitheone 0:ecaf3e593122 58
Tuxitheone 0:ecaf3e593122 59 /** Get socket options
Tuxitheone 0:ecaf3e593122 60 \param level stack level (see: lwip/sockets.h)
Tuxitheone 0:ecaf3e593122 61 \param optname option ID
Tuxitheone 0:ecaf3e593122 62 \param optval buffer pointer where to write the option value
Tuxitheone 0:ecaf3e593122 63 \param socklen_t length of the option value
Tuxitheone 0:ecaf3e593122 64 \return 0 on success, -1 on failure
Tuxitheone 0:ecaf3e593122 65 */
Tuxitheone 0:ecaf3e593122 66 int get_option(int level, int optname, void *optval, socklen_t *optlen);
Tuxitheone 0:ecaf3e593122 67
Tuxitheone 0:ecaf3e593122 68 /** Close the socket file descriptor
Tuxitheone 0:ecaf3e593122 69 */
Tuxitheone 0:ecaf3e593122 70 int close();
Tuxitheone 0:ecaf3e593122 71
Tuxitheone 0:ecaf3e593122 72 ~Socket();
Tuxitheone 0:ecaf3e593122 73
Tuxitheone 0:ecaf3e593122 74 protected:
Tuxitheone 0:ecaf3e593122 75 int _sock_fd;
Tuxitheone 0:ecaf3e593122 76 int init_socket(int type);
Tuxitheone 0:ecaf3e593122 77
Tuxitheone 0:ecaf3e593122 78 int wait_readable(TimeInterval& timeout);
Tuxitheone 0:ecaf3e593122 79 int wait_writable(TimeInterval& timeout);
Tuxitheone 0:ecaf3e593122 80
Tuxitheone 0:ecaf3e593122 81 bool _blocking;
Tuxitheone 0:ecaf3e593122 82 unsigned int _timeout;
Tuxitheone 0:ecaf3e593122 83
Tuxitheone 0:ecaf3e593122 84 private:
Tuxitheone 0:ecaf3e593122 85 int select(struct timeval *timeout, bool read, bool write);
Tuxitheone 0:ecaf3e593122 86 };
Tuxitheone 0:ecaf3e593122 87
Tuxitheone 0:ecaf3e593122 88 /** Time interval class used to specify timeouts
Tuxitheone 0:ecaf3e593122 89 */
Tuxitheone 0:ecaf3e593122 90 class TimeInterval {
Tuxitheone 0:ecaf3e593122 91 friend class Socket;
Tuxitheone 0:ecaf3e593122 92
Tuxitheone 0:ecaf3e593122 93 public:
Tuxitheone 0:ecaf3e593122 94 /** Time Interval
Tuxitheone 0:ecaf3e593122 95 \param ms time interval expressed in milliseconds
Tuxitheone 0:ecaf3e593122 96 */
Tuxitheone 0:ecaf3e593122 97 TimeInterval(unsigned int ms);
Tuxitheone 0:ecaf3e593122 98
Tuxitheone 0:ecaf3e593122 99 private:
Tuxitheone 0:ecaf3e593122 100 struct timeval _time;
Tuxitheone 0:ecaf3e593122 101 };
Tuxitheone 0:ecaf3e593122 102
Tuxitheone 0:ecaf3e593122 103 #endif /* SOCKET_H_ */