--- libaitio/inc/aitio.h 2013/09/02 11:16:27 1.35 +++ libaitio/inc/aitio.h 2014/02/05 02:24:27 1.39.4.1 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitio.h,v 1.35 2013/09/02 11:16:27 misho Exp $ +* $Id: aitio.h,v 1.39.4.1 2014/02/05 02:24:27 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -12,7 +12,7 @@ terms: All of the documentation and software included in the ELWIX and AITNET Releases is copyrighted by ELWIX - Sofia/Bulgaria -Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 +Copyright 2004 - 2014 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -62,6 +62,7 @@ SUCH DAMAGE. #include #include #include +#include #ifndef STRSIZ @@ -71,35 +72,57 @@ SUCH DAMAGE. #define IO_SOCK_ROLE_CLIENT 0 #define IO_SOCK_ROLE_SERVER 1 +#define IO_ETHER_FILTER_PROMISC 0 +#define IO_ETHER_FILTER_NOTREAD -1 +#define IO_ETHER_FILTER_READ 1 +#define IO_ETHER_FILTER_WRITE 2 + +typedef struct { + unsigned int prog_inin; /* init progs */ + unsigned int prog_maxn; /* max progs */ + unsigned int prog_cnum; /* current progs */ + char prog_name[PATH_MAX]; + + pthread_mutex_t prog_mtx; + array_t *prog_fds; + unsigned int *prog_used; +} prog_t; + typedef struct tagCliSock sock_cli_t; typedef void *(*sock_cb_t)(sock_cli_t*); struct tagCliSock { void *cli_parent; - pthread_t cli_tid; int cli_fd; - int cli_pty; + intptr_t cli_pty; sockaddr_t cli_addr; char cli_name[64]; + char cli_cmdline[PATH_MAX]; + pid_t cli_pid; - sock_cb_t cli_func; - void *cli_arg; + sched_task_func_t cli_func; - ait_val_t cli_buf; + ait_val_t cli_buf[2]; TAILQ_ENTRY(tagCliSock) cli_node; }; + typedef struct { int sock_role; int sock_backq; int sock_type; int sock_proto; int sock_fd; + struct timespec sock_timeout; sockaddr_t sock_addr; sockaddr_t sock_peer; ait_val_t sock_buf; + prog_t *sock_prog; + volatile intptr_t sock_kill; + sched_root_task_t *sock_root; + pthread_mutex_t sock_mtx; TAILQ_HEAD(, tagCliSock) sock_cli; } sock_t; @@ -112,6 +135,119 @@ const char *io_GetError(); /* + * io_progInit() - Init program pool + * + * @progName = program name for execution + * @initNum = initial started programs + * @maxNum = maximum started programs + * return: NULL error or !=NULL allocated pool (must destroied with io_progDestroy()) + */ +prog_t *io_progInit(const char *progName, + unsigned int initNum, unsigned int maxNum); +/* + * io_progOpen() - Execute number of program(s) + * + * @prg = program pool + * @execNum = execute program(s) (0 max) + * return: -1 error, >0 executed programs + */ +int io_progOpen(prog_t * __restrict prg, unsigned int execNum); +/* + * io_progOpen2() - Start program from pool on first unused slot + * + * @prg = program pool + * return: -1 error, >-1 reside at slot + */ +int io_progOpen2(prog_t * __restrict prg); +/* + * io_progGrow() - Execute to number of programs in pool + * + * @prg = program pool + * @toNum = execute to number of programs (0 max) + * return: 0 error or nothing to do, + * >0 executed programs and abs(<0) executed programs with logged error + */ +int io_progGrow(prog_t * __restrict prg, unsigned int toNum); +/* + * io_progVacuum() - Vacuum pool to running number of programs + * + * @prg = program pool + * @toNum = vacuum to number of programs (0 to init number) + * return: 0 error or >0 closed programs + */ +int io_progVacuum(prog_t * __restrict prg, unsigned int toNum); +/* + * io_progCloseAt() - Close program at pool of certain position + * + * @prg = program pool + * @idx = index at pool + * return: 0 error or !=0 closed program + */ +int io_progCloseAt(prog_t * __restrict prg, unsigned int idx); +/* + * io_progCloseOf() - Close program at pool with certain handle + * + * @prg = program pool + * @h = handle of program + * return: 0 error, >0 closed programs + */ +#ifdef POPEN_STREAM +int io_progCloseOf(prog_t * __restrict prg, FILE *h); +#else +int io_progCloseOf(prog_t * __restrict prg, int h); +#endif +/* + * io_progClose() - Close all programs in pool + * + * @prg = program pool + * @closeNum = close program(s) (0 all) + * return: 0 error, >0 closed programs + */ +int io_progClose(prog_t * __restrict prg, unsigned int closeNum); +/* + * io_progDestroy() - Destroy entire program pool + * + * @pprg = program pool + * return: none + */ +void io_progDestroy(prog_t ** __restrict pprg); + +/* + * io_progCheck() - Check exit status of program pool + * + * @prg = program pool + * @re = resurrect program to init number + * return: -1 error or >-1 exited programs + */ +int io_progCheck(prog_t * __restrict prg, int re); + +/* + * io_progAttach() - Attach to open program + * + * @prg = program pool + * @newOne = Execute new one program after attach + * return: NULL error or !=NULL attached program handle + */ +#ifdef POPEN_STREAM +FILE *io_progAttach(prog_t * __restrict prg, int newOne); +#else +int io_progAttach(prog_t * __restrict prg, int newOne); +#endif +/* + * io_progDetach() - Detch from open program + * + * @prg= program pool + * @pfd = attached program handle + * return: none + */ +#ifdef POPEN_STREAM +void io_progDetach(prog_t * __restrict prg, FILE *pfd); +#else +void io_progDetach(prog_t * __restrict prg, int pfd); +#endif + + +/* * ioInitSocket() - Init socket and allocate resources * * @role = Socket role @@ -131,24 +267,56 @@ sock_t *ioInitSocket(int role, int type, int proto, * return: none */ void ioCloseSocket(sock_t ** __restrict s); +#define ioKillSocket(x) (assert((x)), (x)->sock_kill = 1) /* + * ioCloseClient() - Close client socket + * + * @c = Client socket + * return: 0 ok or !=0 error + */ +int ioCloseClient(sock_cli_t * __restrict c); +/* + * ioSetupProg2Socket() - Setup program pool to socket server + * + * @s = Socket + * @p = Program pool + * return: -1 error or 0 ok + */ +int ioSetupProg2Socket(sock_t * __restrict s, prog_t * __restrict p); +/* * ioUpSocket() - Setup socket for use * * @s = Socket * @arg = Server role = listen backlog queue and Client role = peer address + * @timeout = Socket timeout in ms (default -1 infinit) * return: -1 error or 0 ok */ -int ioUpSocket(sock_t * __restrict s, void *arg); +int ioUpSocket(sock_t * __restrict s, void *arg, int timeout); /* - * ioAcceptSocket() - Accept clients + * ioUpdTimerSocket() - Update timeout of socket * + * @c = Client socket + * return: none + */ +void ioUpdTimerSocket(sock_cli_t * __restrict c); +/* + * ioLoopSocket() - Start socket scheduler + * * @s = Socket - * @f = callback function for client handling - * @arg = optional argument for callback function - * return: -1 error or 0 ok + * @rcb = Read callback + * return: -1 error or return result from scheduler */ -int ioAcceptSocket(sock_t * __restrict s, sock_cb_t f, void *arg); +int ioLoopSocket(sock_t * __restrict s, sched_task_func_t rcb); +/* + * ioBridgeProg2Socket() - Start socket scheduler and bridge program to socket + * + * @s = Socket + * @prgname = Program name + * return: 0 ok or !=0 error + */ +int ioBridgeProg2Socket(sock_t * __restrict s, const char *prgname); + /* * ioPromptRead() - Read data from input h[0] with prompt to output h[1] * @@ -158,7 +326,8 @@ int ioAcceptSocket(sock_t * __restrict s, sock_cb_t f, * @dataLen = Length of data * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars */ -int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen); +int ioPromptRead(int *h, const char *csPrompt, + char * __restrict psData, int dataLen); /* * ioPromptPassword() - Read password from input h[0] with prompt to output h[1] * @@ -169,7 +338,8 @@ int ioPromptRead(int *h, const char *csPrompt, char * * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars */ -int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm); +int ioPromptPassword(int *h, const char *csPrompt, + char * __restrict psPass, int passLen, int confirm); /* @@ -472,6 +642,14 @@ int io_dumbFile(const char *csFile, int mode, off_t si */ int io_get1stiface(char *szIface, int iflen); /* + * io_getmaciface() - Get MAC address from interface name + * + * @csIface = interface name + * @ea = ethernet address + * return: -1 error, 0 ok or 1 not found + */ +int io_getmaciface(const char *csIface, ether_addr_t * __restrict ea); +/* * io_etherOpen() - Open BPF interface to device * * @csIface = interface name @@ -482,8 +660,8 @@ int io_get1stiface(char *szIface, int iflen); * @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, int wdlt, - unsigned int *buflen, void **zcbuf); +int io_etherOpen(const char *csIface, int flags, unsigned int whdr, + unsigned int wdlt, unsigned int *buflen, void **zcbuf); /* * io_etherClose() - Close BPF interface * @@ -492,6 +670,18 @@ int io_etherOpen(const char *csIface, int flags, int w * return: none */ void io_etherClose(int eth, void **zcbuf); + +/* + * io_etherFilter() - BPF filter routine + * + * @eth = bpf handle + * @io = filter direction + * (IO_ETHER_FILTER_PROMISC|IO_ETHER_FILTER_NOTREAD|IO_ETHER_FILTER_READ|IO_ETHER_FILTER_WRITE) + * @insn = BPF filter instruction array + * @insnlen = Length of BPF filter instruction array + * return: -1 error or 0 ok + */ +int io_etherFilter(int eth, int io, struct bpf_insn * __restrict insn, size_t insnlen); /* * io_etherSend() - Send packet to bpf