wip
Fork of Socket by
Diff: Socket.h
- Revision:
- 16:2d471deff212
- Parent:
- 11:3d83c348fb8b
- Child:
- 17:c5089d058eab
diff -r 41e3af01f58e -r 2d471deff212 Socket.h --- a/Socket.h Mon Aug 13 09:38:00 2012 +0000 +++ b/Socket.h Fri Mar 01 15:30:16 2013 +0000 @@ -1,85 +1,103 @@ -/* Copyright (C) 2012 mbed.org, MIT License - * - * Permission is hereby granted, free of charge, to any person obtaining a copy of this software - * and associated documentation files (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, publish, distribute, - * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in all copies or - * substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING - * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ -#ifndef SOCKET_H_ -#define SOCKET_H_ - -#include "lwip/sockets.h" -#include "lwip/netdb.h" - -//DNS -inline struct hostent *gethostbyname(const char *name) { - return lwip_gethostbyname(name); -} - -inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop) { - return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); -} - -class TimeInterval; - -/** Socket file descriptor and select wrapper - */ -class Socket { -public: - /** Socket - */ - Socket(); - - /** Set blocking or non-blocking mode of the socket and a timeout on - blocking socket operations - \param blocking true for blocking mode, false for non-blocking mode. - \param timeout timeout in ms [Default: (1500)ms]. - */ - void set_blocking(bool blocking, unsigned int timeout=1500); - - /** Close the socket file descriptor - */ - int close(); - - ~Socket(); - -protected: - int _sock_fd; - int init_socket(int type); - - int wait_readable(TimeInterval& timeout); - int wait_writable(TimeInterval& timeout); - - bool _blocking; - unsigned int _timeout; - -private: - int select(struct timeval *timeout, bool read, bool write); -}; - -/** Time interval class used to specify timeouts - */ -class TimeInterval { - friend class Socket; - -public: - /** Time Interval - \param ms time interval expressed in milliseconds - */ - TimeInterval(unsigned int ms); - -private: - struct timeval _time; -}; - -#endif /* SOCKET_H_ */ +/* Copyright (C) 2012 mbed.org, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ +#ifndef SOCKET_H_ +#define SOCKET_H_ + +#include "lwip/sockets.h" +#include "lwip/netdb.h" + +//DNS +inline struct hostent *gethostbyname(const char *name) { + return lwip_gethostbyname(name); +} + +inline int gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop) { + return lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop); +} + +class TimeInterval; + +/** Socket file descriptor and select wrapper + */ +class Socket { +public: + /** Socket + */ + Socket(); + + /** Set blocking or non-blocking mode of the socket and a timeout on + blocking socket operations + \param blocking true for blocking mode, false for non-blocking mode. + \param timeout timeout in ms [Default: (1500)ms]. + */ + void set_blocking(bool blocking, unsigned int timeout=1500); + + /** Set socket options + \param level stack level (see: lwip/sockets.h) + \param optname option ID + \param optval option value + \param socklen_t length of the option value + \return 0 on success, -1 on failure + */ + int set_option(int level, int optname, const void *optval, socklen_t optlen); + + /** Get socket options + \param level stack level (see: lwip/sockets.h) + \param optname option ID + \param optval buffer pointer where to write the option value + \param socklen_t length of the option value + \return 0 on success, -1 on failure + */ + int get_option(int level, int optname, void *optval, socklen_t *optlen); + + /** Close the socket file descriptor + */ + int close(); + + ~Socket(); + +protected: + int _sock_fd; + int init_socket(int type); + + int wait_readable(TimeInterval& timeout); + int wait_writable(TimeInterval& timeout); + + bool _blocking; + unsigned int _timeout; + +private: + int select(struct timeval *timeout, bool read, bool write); +}; + +/** Time interval class used to specify timeouts + */ +class TimeInterval { + friend class Socket; + +public: + /** Time Interval + \param ms time interval expressed in milliseconds + */ + TimeInterval(unsigned int ms); + +private: + struct timeval _time; +}; + +#endif /* SOCKET_H_ */