Ethernet test for ECE 4180 and others to find your IP address and do a simple HTTP GET request over port 80.
Dependencies: mbed Socket lwip-eth lwip-sys lwip
EthernetInterface/Socket/Socket.h@0:e7ca326e76ee, 2013-04-04 (annotated)
- Committer:
- mkersh3
- Date:
- Thu Apr 04 05:26:09 2013 +0000
- Revision:
- 0:e7ca326e76ee
Ethernet Test for ECE4180 and others to find their IP Address and do a simple HTTP GET request over port 80.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mkersh3 | 0:e7ca326e76ee | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
mkersh3 | 0:e7ca326e76ee | 2 | * |
mkersh3 | 0:e7ca326e76ee | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
mkersh3 | 0:e7ca326e76ee | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
mkersh3 | 0:e7ca326e76ee | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
mkersh3 | 0:e7ca326e76ee | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
mkersh3 | 0:e7ca326e76ee | 7 | * furnished to do so, subject to the following conditions: |
mkersh3 | 0:e7ca326e76ee | 8 | * |
mkersh3 | 0:e7ca326e76ee | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
mkersh3 | 0:e7ca326e76ee | 10 | * substantial portions of the Software. |
mkersh3 | 0:e7ca326e76ee | 11 | * |
mkersh3 | 0:e7ca326e76ee | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
mkersh3 | 0:e7ca326e76ee | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
mkersh3 | 0:e7ca326e76ee | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
mkersh3 | 0:e7ca326e76ee | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
mkersh3 | 0:e7ca326e76ee | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
mkersh3 | 0:e7ca326e76ee | 17 | */ |
mkersh3 | 0:e7ca326e76ee | 18 | #ifndef SOCKET_H_ |
mkersh3 | 0:e7ca326e76ee | 19 | #define SOCKET_H_ |
mkersh3 | 0:e7ca326e76ee | 20 | |
mkersh3 | 0:e7ca326e76ee | 21 | #include "lwip/sockets.h" |
mkersh3 | 0:e7ca326e76ee | 22 | #include "lwip/netdb.h" |
mkersh3 | 0:e7ca326e76ee | 23 | |
mkersh3 | 0:e7ca326e76ee | 24 | //DNS |
mkersh3 | 0:e7ca326e76ee | 25 | inline struct hostent *gethostbyname(const char *name) { |
mkersh3 | 0:e7ca326e76ee | 26 | return lwip_gethostbyname(name); |
mkersh3 | 0:e7ca326e76ee | 27 | } |
mkersh3 | 0:e7ca326e76ee | 28 | |
mkersh3 | 0:e7ca326e76ee | 29 | inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop) { |
mkersh3 | 0:e7ca326e76ee | 30 | return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); |
mkersh3 | 0:e7ca326e76ee | 31 | } |
mkersh3 | 0:e7ca326e76ee | 32 | |
mkersh3 | 0:e7ca326e76ee | 33 | class TimeInterval; |
mkersh3 | 0:e7ca326e76ee | 34 | |
mkersh3 | 0:e7ca326e76ee | 35 | /** Socket file descriptor and select wrapper |
mkersh3 | 0:e7ca326e76ee | 36 | */ |
mkersh3 | 0:e7ca326e76ee | 37 | class Socket { |
mkersh3 | 0:e7ca326e76ee | 38 | public: |
mkersh3 | 0:e7ca326e76ee | 39 | /** Socket |
mkersh3 | 0:e7ca326e76ee | 40 | */ |
mkersh3 | 0:e7ca326e76ee | 41 | Socket(); |
mkersh3 | 0:e7ca326e76ee | 42 | |
mkersh3 | 0:e7ca326e76ee | 43 | /** Set blocking or non-blocking mode of the socket and a timeout on |
mkersh3 | 0:e7ca326e76ee | 44 | blocking socket operations |
mkersh3 | 0:e7ca326e76ee | 45 | \param blocking true for blocking mode, false for non-blocking mode. |
mkersh3 | 0:e7ca326e76ee | 46 | \param timeout timeout in ms [Default: (1500)ms]. |
mkersh3 | 0:e7ca326e76ee | 47 | */ |
mkersh3 | 0:e7ca326e76ee | 48 | void set_blocking(bool blocking, unsigned int timeout=1500); |
mkersh3 | 0:e7ca326e76ee | 49 | |
mkersh3 | 0:e7ca326e76ee | 50 | /** Close the socket file descriptor |
mkersh3 | 0:e7ca326e76ee | 51 | */ |
mkersh3 | 0:e7ca326e76ee | 52 | int close(); |
mkersh3 | 0:e7ca326e76ee | 53 | |
mkersh3 | 0:e7ca326e76ee | 54 | ~Socket(); |
mkersh3 | 0:e7ca326e76ee | 55 | |
mkersh3 | 0:e7ca326e76ee | 56 | protected: |
mkersh3 | 0:e7ca326e76ee | 57 | int _sock_fd; |
mkersh3 | 0:e7ca326e76ee | 58 | int init_socket(int type); |
mkersh3 | 0:e7ca326e76ee | 59 | |
mkersh3 | 0:e7ca326e76ee | 60 | int wait_readable(TimeInterval& timeout); |
mkersh3 | 0:e7ca326e76ee | 61 | int wait_writable(TimeInterval& timeout); |
mkersh3 | 0:e7ca326e76ee | 62 | |
mkersh3 | 0:e7ca326e76ee | 63 | bool _blocking; |
mkersh3 | 0:e7ca326e76ee | 64 | unsigned int _timeout; |
mkersh3 | 0:e7ca326e76ee | 65 | |
mkersh3 | 0:e7ca326e76ee | 66 | private: |
mkersh3 | 0:e7ca326e76ee | 67 | int select(struct timeval *timeout, bool read, bool write); |
mkersh3 | 0:e7ca326e76ee | 68 | }; |
mkersh3 | 0:e7ca326e76ee | 69 | |
mkersh3 | 0:e7ca326e76ee | 70 | /** Time interval class used to specify timeouts |
mkersh3 | 0:e7ca326e76ee | 71 | */ |
mkersh3 | 0:e7ca326e76ee | 72 | class TimeInterval { |
mkersh3 | 0:e7ca326e76ee | 73 | friend class Socket; |
mkersh3 | 0:e7ca326e76ee | 74 | |
mkersh3 | 0:e7ca326e76ee | 75 | public: |
mkersh3 | 0:e7ca326e76ee | 76 | /** Time Interval |
mkersh3 | 0:e7ca326e76ee | 77 | \param ms time interval expressed in milliseconds |
mkersh3 | 0:e7ca326e76ee | 78 | */ |
mkersh3 | 0:e7ca326e76ee | 79 | TimeInterval(unsigned int ms); |
mkersh3 | 0:e7ca326e76ee | 80 | |
mkersh3 | 0:e7ca326e76ee | 81 | private: |
mkersh3 | 0:e7ca326e76ee | 82 | struct timeval _time; |
mkersh3 | 0:e7ca326e76ee | 83 | }; |
mkersh3 | 0:e7ca326e76ee | 84 | |
mkersh3 | 0:e7ca326e76ee | 85 | #endif /* SOCKET_H_ */ |