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Annotation of embedaddon/miniupnpd/minissdpd/asyncsendto.h, revision 1.1

1.1     ! misho       1: /* $Id: asyncsendto.h,v 1.3 2017/11/02 15:48:29 nanard Exp $ */
        !             2: /* MiniUPnP project
        !             3:  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
        !             4:  * (c) 2006-2017 Thomas Bernard
        !             5:  * This software is subject to the conditions detailed
        !             6:  * in the LICENCE file provided within the distribution */
        !             7: 
        !             8: #ifndef ASYNCSENDTO_H_INCLUDED
        !             9: #define ASYNCSENDTO_H_INCLUDED
        !            10: /* for fd_set */
        !            11: #include <sys/select.h>
        !            12: 
        !            13: /* sendto_schedule() : see sendto(2)
        !            14:  * schedule sendto() call after delay (milliseconds) */
        !            15: ssize_t
        !            16: sendto_schedule2(int sockfd, const void *buf, size_t len, int flags,
        !            17:                  const struct sockaddr *dest_addr, socklen_t addrlen,
        !            18:                  const struct sockaddr_in6 *src_addr,
        !            19:                  unsigned int delay);
        !            20: 
        !            21: #define sendto_schedule(sockfd, buf, len, flags, dest_addr, addrlen, delay) \
        !            22:         sendto_schedule2(sockfd, buf, len, flags, dest_addr, addrlen, NULL, delay)
        !            23: 
        !            24: /* sendto_schedule() : see sendto(2)
        !            25:  * try sendto() at once and schedule if EINTR/EAGAIN/EWOULDBLOCK */
        !            26: ssize_t
        !            27: sendto_or_schedule(int sockfd, const void *buf, size_t len, int flags,
        !            28:                    const struct sockaddr *dest_addr, socklen_t addrlen);
        !            29: 
        !            30: /* same as sendto_schedule() except it will try to set source address
        !            31:  * (for IPV6 only) */
        !            32: ssize_t
        !            33: sendto_or_schedule2(int sockfd, const void *buf, size_t len, int flags,
        !            34:                    const struct sockaddr *dest_addr, socklen_t addrlen,
        !            35:                    const struct sockaddr_in6 *src_addr);
        !            36: 
        !            37: /* get_next_scheduled_send()
        !            38:  * return number of scheduled sendto
        !            39:  * set next_send to timestamp to send next packet */
        !            40: int get_next_scheduled_send(struct timeval * next_send);
        !            41: 
        !            42: /* execute sendto() for needed packets */
        !            43: int try_sendto(fd_set * writefds);
        !            44: 
        !            45: /* set writefds before select() */
        !            46: int get_sendto_fds(fd_set * writefds, int * max_fd, const struct timeval * now);
        !            47: 
        !            48: /* empty the list */
        !            49: void finalize_sendto(void);
        !            50: 
        !            51: #endif