--- libaitio/inc/aitio.h 2013/05/30 09:10:13 1.30 +++ libaitio/inc/aitio.h 2013/06/26 22:48:53 1.32 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitio.h,v 1.30 2013/05/30 09:10:13 misho Exp $ +* $Id: aitio.h,v 1.32 2013/06/26 22:48:53 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -338,6 +338,13 @@ size_t ioSendFile(int s, const char *csFile, size_t se */ size_t ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf); +/* + * ioRealFileName() - Get real file name + * + * @fname = filename + * return: =NULL error or !=NULL real filename, should be free with e_free() + */ +char *ioRealFileName(const char *fname); /* Buffered file access over memory block */ @@ -378,6 +385,57 @@ FILE *io_fd2buf(int fd, const char *mode); * return: -1 error or open file handle */ int io_dumbFile(const char *csFile, int mode, off_t size); + + +/* + * io_get1stiface() - Get first interface of host + * + * @szIface = interface string buffer + * @iflen = size of interface buffer + * return: -1 error or 0 ok + */ +int io_get1stiface(char *szIface, int iflen); +/* + * io_etherOpen() - Open BPF interface to device + * + * @csIface = interface name + * @flags = open flags + * @whdr = with complete headers + * @buflen = buffer length + * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL + * return: -1 error or >-1 bpf handle + */ +int io_etherOpen(const char *csIface, int flags, int whdr, + unsigned int *buflen, void **zcbuf); +/* + * io_etherClose() - Close BPF interface + * + * @eth = bpf handle + * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL + * return: none + */ +void io_etherClose(int eth, void **zcbuf); + +/* + * io_etherSend() - Send packet to bpf + * + * @eth = bpf handle + * @buf = buffer + * @buflen = buffer length + * return: -1 error or !=-1 written bytes + */ +ssize_t io_etherSend(int eth, const void *buf, size_t buflen); +/* + * io_etherRecv() - Receive packet from bpf + * + * @eth = bpf handle + * @buf = buffer + * @buflen = buffer length + * @zcbuf = zero copy buffer, if BPF supports it and isn't NULL + * return: -1 error or !=-1 readed bytes + */ +ssize_t io_etherRecv(int eth, void * __restrict buf, + size_t buflen, void * __restrict zcbuf); #endif