--- libaitio/inc/aitio.h 2012/03/15 01:52:22 1.15 +++ libaitio/inc/aitio.h 2014/02/08 22:06:16 1.40 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitio.h,v 1.15 2012/03/15 01:52:22 misho Exp $ +* $Id: aitio.h,v 1.40 2014/02/08 22:06:16 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 +Copyright 2004 - 2014 by Michael Pounov . All rights reserved. Redistribution and use in source and binary forms, with or without @@ -50,654 +50,301 @@ SUCH DAMAGE. #define COMPAT_43TTY #include +#include #include #include #include #include #include #include +#include #include +#include #include +#include +#include -#define VACUUM_LEFT 1 -#define VACUUM_BETWEEN 2 +#ifndef STRSIZ +#define STRSIZ 256 +#endif -/* AIT arrays */ +#define IO_SOCK_ROLE_CLIENT 0 +#define IO_SOCK_ROLE_SERVER 1 -typedef void ** sarr_seg_t; -typedef struct _tagSplitArray { - int sarr_num; - int sarr_seg; - int sarr_siz; - sarr_seg_t *sarr_data; -} sarr_t; +#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 _tagArray { - int arr_num; - void **arr_data; -} array_t; -/* AIT RPC variables and managment */ - -typedef enum { - empty, ptr, /* empty -> variable is not set; ptr -> void* */ - buffer, string, blob, /* buffer -> uint8_t*; string -> int8_t*; blob -> uint32_t blobID(+socket); */ - f32, f64, /* float -> f32; double -> f64 */ - u8, u16, u32, u64, /* unsigned integers ... */ - i8, i16, i32, i64, /* integers ... */ -} ait_type_t; - typedef struct { - uint8_t val_type; - uint8_t val_pad[3]; - uint32_t val_len; - union { - uint64_t net; + unsigned int prog_inin; /* init progs */ + unsigned int prog_maxn; /* max progs */ + unsigned int prog_cnum; /* current progs */ + char prog_name[PATH_MAX]; - void *ptr; - uint8_t *buffer; - int8_t *string; - uint32_t blob; - float f32; - double f64; - uint8_t u8; - uint16_t u16; - uint32_t u32; - uint64_t u64; - int8_t i8; - int16_t i16; - int32_t i32; - int64_t i64; - } val; -} __packed ait_val_t; + pthread_mutex_t prog_mtx; + array_t *prog_fds; + unsigned int *prog_used; +} prog_t; -#define AIT_TYPE(_vl) ((ait_type_t) (_vl)->val_type) -#define AIT_LEN(_vl) (_vl)->val_len -#define AIT_RAW(_vl) (_vl)->val.net -#define AIT_VOID(_vl) (_vl)->val.ptr -#define AIT_BLOB_CHUNKS(_vl, _n) (assert((_vl)), AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0) -#define AIT_ISEMPTY(_vl) (assert((_vl)), AIT_TYPE((_vl)) == empty) +typedef struct tagCliSock sock_cli_t; +typedef void *(*sock_cb_t)(sock_cli_t*); +struct tagCliSock { + void *cli_parent; + int cli_fd; + intptr_t cli_pty; + sockaddr_t cli_addr; + char cli_name[64]; + char cli_cmdline[PATH_MAX]; + pid_t cli_pid; -#define AIT_GET_LIKE(_vl, _type) (assert((_vl)), (_type) (_vl)->val.ptr) + sched_task_func_t cli_func; -#define AIT_GET_PTR(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr) -#define AIT_GET_BUF(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer) -#define AIT_GET_STR(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == string), (_vl)->val.string) -#define AIT_GET_BLOB(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob) -#define AIT_GET_U8(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8) -#define AIT_GET_U16(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16) -#define AIT_GET_U32(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32) -#define AIT_GET_U64(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64) -#define AIT_GET_I8(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8) -#define AIT_GET_I16(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16) -#define AIT_GET_I32(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32) -#define AIT_GET_I64(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64) -#define AIT_GET_F32(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32) -#define AIT_GET_F64(_vl) (assert((_vl)), assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64) + ait_val_t cli_buf[2]; -#define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = ptr; AIT_LEN(__val) = _len; \ - __val->val.ptr = _p; } while (0) -#define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val.buffer = malloc(_len); \ - if (__val->val.buffer) { \ - __val->val_type = buffer; AIT_LEN(__val) = _len; \ - memcpy(__val->val.buffer, (_v), _len); \ - } } while (0) -#define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val.string = (int8_t*) strdup((_v)); \ - if (__val->val.string) { \ - __val->val_type = string; \ - AIT_LEN(__val) = strlen((_v)) + 1; \ - } } while (0) -#define AIT_SET_STRCAT(_vl, _v) do { ait_val_t *__val = (_vl); assert(__val); \ - assert(AIT_TYPE(__val) == string); \ - void *__p = realloc(AIT_LEN(__val) + strlen((_v))); \ - if (__p) { \ - __val->val.string = __p; \ - AIT_LEN(__val) += strlen((_v)); \ - strlcat(__val->val.string, (_v), AIT_LEN(__val)); \ - } } while (0) -#define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = blob; AIT_LEN(__val) = _len; \ - __val->val.blob = _n; } while (0) -#define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \ - __val->val_type = blob; AIT_LEN(__val) = (_bv)->blob_len; \ - __val->val.blob = (_bv)->blob_var; } while (0) -#define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len) - -#define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = u8; __val->val.u8 = _n; \ - AIT_LEN(__val) = sizeof(uint8_t); } while (0) -#define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = u16; __val->val.u16 = _n; \ - AIT_LEN(__val) = sizeof(uint16_t); } while (0) -#define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = u32; __val->val.u32 = _n; \ - AIT_LEN(__val) = sizeof(uint32_t); } while (0) -#define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = u64; __val->val.u64 = _n; \ - AIT_LEN(__val) = sizeof(uint64_t); } while (0) -#define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = i8; __val->val.i8 = _n; \ - AIT_LEN(__val) = sizeof(int8_t); } while (0) -#define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = i16; __val->val.i16 = _n; \ - AIT_LEN(__val) = sizeof(int16_t); } while (0) -#define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = i32; __val->val.i32 = _n; \ - AIT_LEN(__val) = sizeof(int32_t); } while (0) -#define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = i64; __val->val.i64 = _n; \ - AIT_LEN(__val) = sizeof(int64_t); } while (0) -#define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = f32; __val->val.f32 = _n; \ - AIT_LEN(__val) = sizeof(float); } while (0) -#define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \ - __val->val_type = f64; __val->val.f64 = _n; \ - AIT_LEN(__val) = sizeof(double); } while (0) - - /* if attribute zeroCopy is set not execute free() */ -#define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (ait_val_t*) (_vl); assert(__val); \ - switch (__val->val_type) { \ - case buffer: \ - if (__val->val.buffer) { \ - free(__val->val.buffer); \ - __val->val.buffer = NULL; \ - } \ - break; \ - case string: \ - if (__val->val.string) { \ - free(__val->val.string); \ - __val->val.string = NULL; \ - } \ - break; \ - default: \ - break; \ - } \ - __val->val_type = empty; \ - AIT_LEN(__val) = 0; \ - } while (0) - -struct io_ether_addr { - u_int8_t ether_addr_octet[6]; + TAILQ_ENTRY(tagCliSock) cli_node; }; -typedef struct io_ether_addr io_ether_addr_t; -typedef union { - struct sockaddr_storage ss; - struct sockaddr sa; - struct sockaddr_un sun; - struct sockaddr_in sin; - struct sockaddr_in6 sin6; - struct sockaddr_dl sdl; -} io_sockaddr_t; +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; -#define io_align(x, a) (((x) + (a)) & ~(a)) + volatile intptr_t sock_kill; + sched_root_task_t *sock_root; + pthread_mutex_t sock_mtx; + TAILQ_HEAD(, tagCliSock) sock_cli; +} sock_t; + // io_GetErrno() Get error code of last operation -inline int io_GetErrno(); +int io_GetErrno(); // io_GetError() Get error text of last operation -inline const char *io_GetError(); +const char *io_GetError(); /* - * io_ether_ntoa() Convert ethernet address to string - * @n = ethernet address structure, like struct ether_addr - * @a = string - * @len = string length - * return: NULL error or !=NULL string a + * 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()) */ -inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len); +prog_t *io_progInit(const char *progName, + unsigned int initNum, unsigned int maxNum); /* - * io_ether_aton() Convert string to ethernet address - * @a = string - * @e = ethernet address structure, like struct ether_addr - * return: NULL error or !=NULL ethernet address structure + * io_progOpen() - Execute number of program(s) + * + * @prg = program pool + * @execNum = execute program(s) (0 max) + * return: -1 error, >0 executed programs */ -inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e); +int io_progOpen(prog_t * __restrict prg, unsigned int execNum); /* - * io_n2port() Extract port from network structure - * @addr = Address - * return: 0 not supported family type or port number + * io_progOpen2() - Start program from pool on first unused slot + * + * @prg = program pool + * return: -1 error, >-1 reside at slot */ -inline u_short io_n2port(io_sockaddr_t * __restrict addr); +int io_progOpen2(prog_t * __restrict prg); /* - * io_n2addr() Extract address from network structure - * @addr = Address - * @val = Value for store string address - * return: NULL error or !=NULL string address from val + * 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 */ -const char *io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val); +int io_progGrow(prog_t * __restrict prg, unsigned int toNum); /* - * io_gethostbyname() Get host and port and make network structure - * @psHost = Hostname - * @port = Port - * @addr = Network address structure - * return: NULL error or !=NULL network structure + * 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 */ -io_sockaddr_t *io_gethostbyname(const char *psHost, unsigned short port, - io_sockaddr_t * __restrict addr); - +int io_progVacuum(prog_t * __restrict prg, unsigned int toNum); /* - * io_vars2buffer() Marshaling data from array with variables to buffer - * @buf = Buffer - * @buflen = Size of buffer - * @vars = Variable array - * return: -1 error, 0 nothing done or >0 size of marshaled data + * 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_vars2buffer(unsigned char *buf, int buflen, array_t *vars); +int io_progCloseAt(prog_t * __restrict prg, unsigned int idx); /* - * io_buffer2vars() De-marshaling data from buffer to array with variables - * @buf = Buffer - * @buflen = Size of buffer - * @vnum = Number of variables into buffer - * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and - *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy() - * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() + * io_progCloseOf() - Close program at pool with certain handle + * + * @prg = program pool + * @h = handle of program + * return: 0 error, >0 closed programs */ -array_t *io_buffer2vars(unsigned char *buf, int buflen, int vnum, int zcpy); +#ifdef POPEN_STREAM +int io_progCloseOf(prog_t * __restrict prg, FILE *h); +#else +int io_progCloseOf(prog_t * __restrict prg, int h); +#endif /* - * io_vars2map() Marshaling data from array with variables to memory map - * @buf = Buffer - * @buflen = Size of buffer - * @vars = Variable array - * return: -1 error, 0 nothing done or >0 size of marshaled data + * io_progClose() - Close all programs in pool + * + * @prg = program pool + * @closeNum = close program(s) (0 all) + * return: 0 error, >0 closed programs */ -int io_vars2map(unsigned char *buf, int buflen, array_t *vars); +int io_progClose(prog_t * __restrict prg, unsigned int closeNum); /* - * io_map2vars() De-marshaling data from memory map to array with variables - * @buf = Buffer - * @buflen = Size of buffer - * @vnum = Number of variables into buffer - * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and - *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy() - * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy() - */ -array_t *io_map2vars(unsigned char *buf, int buflen, int vnum, int zcpy); - -/* - * io_allocVar() Allocate memory for variable - * return: NULL error or new variable, after use free variable with io_freeVar() - */ -inline ait_val_t *io_allocVar(void); -/* - * io_freeVar() Free allocated memory for variable - * @val = Variable + * io_progDestroy() - Destroy entire program pool + * + * @pprg = program pool * return: none */ -inline void io_freeVar(ait_val_t * __restrict val); -/* - * io_allocVars() Allocate ait_val_t array - * @varnum = Number of variables - * return: =NULL error or !=NULL allocated array - */ -inline array_t *io_allocVars(int varnum); -/* - * io_clrVars() Clear ait_val_t elements from array - * @vars = Variable array - * return: -1 error or size of array - */ -inline int io_clrVars(array_t * __restrict vars); -/* - * io_freeVars() Free ait_val_t array - * @vars = Variable array - * return: none - */ -inline void io_freeVars(array_t ** __restrict vars); +void io_progDestroy(prog_t ** __restrict pprg); - /* - * ioPromptRead() Read data from input h[0] with prompt to output h[1] - * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout - * @csPrompt = Prompt before input, may be NULL - * @psData = Readed data - * @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); -/* - * ioPromptPassword() Read password from input h[0] with prompt to output h[1] - * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout - * @csPrompt = Prompt before input, may be NULL - * @psPass = Readed password - * @passLen = Length of password - * @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); - -/* - * ioRegexVerify() Function for verify data match in regex expression - * @csRegex = Regulare expression pattern - * @csData = Data for check and verify - * @startPos = Return start positions - * @endPos = Return end positions - * return: NULL not match or error; !=NULL begin of matched data -*/ -const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos); -/* - * ioRegexGet() Function for get data match in regex expression - * @csRegex = Regulare expression pattern - * @csData = Data from get - * @psString = Returned string if match - * @strLen = Length of string - * return: 0 not match; >0 count of returned chars -*/ -int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen); -/* - * ioRegexReplace() Function for replace data match in regex expression with newdata - * @csRegex = Regulare expression pattern - * @csData = Source data - * @csNew = Data for replace - * return: NULL not match or error; !=NULL allocated new string, must be free after use! -*/ -char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew); - -/* - * ioStrAst() Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}" - * @csString = Input string - * return: NULL error, !=NULL Allocated new string evaluated from input string, must be free() -*/ -char *ioStrAst(const char *csString); - -/* - * io_UnquotStr() Remove quots from input text string - * @psLine = Text string - * return: 0 nothing to do; 1 successful unquoted string -*/ -inline int io_UnquotStr(unsigned char * __restrict psLine); -/* - * io_LTrimStr() Remove left whitespaces from text string - * @psLine = Text string - * return: 0 nothing to do; !=0 Removed bytes -*/ -inline int io_LTrimStr(unsigned char * __restrict psLine); -/* - * io_RTrimStr() Remove right whitespaces from text string - * @psLine = Text string - * return: 0 nothing to do; !=0 Removed bytes -*/ -inline int io_RTrimStr(unsigned char * __restrict psLine); -/* - * io_TrimStr() Remove left and right whitespaces from text string - * @psLine = Text string - * return: 0 nothing to do; !=0 Removed bytes -*/ -inline int io_TrimStr(unsigned char * __restrict psLine); -/* - * io_Ch2Hex() Convert from Char string to Hex string - * @psLine = Text string - * @lineLen = Length of Text string - * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be free) -*/ -inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen); -/* - * io_Hex2Ch() Convert from Hex string to Char string - * @psLine = Text string - * @lineLen = Length of Text string - * return: NULL nothing to do or error; !=0 Allocated new converted string(must be free) -*/ -inline char *io_Hex2Ch(unsigned char *psLine, int lineLen); - -/* - * io_Path2File() - Parse and make path/filename pair + * io_progCheck() - Check exit status of program pool * - * @csArgs = Input argument line - * @psPath = Output Path, if ==NULL path not returned - * @pathLen = Size of path array - * @psFile = Output File - * @fileLen = Size of file array - * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items + * @prg = program pool + * @re = resurrect program to init number + * return: -1 error or >-1 exited programs */ -inline int -io_Path2File(const char * __restrict csArgs, char * __restrict psPath, - int pathLen, char * __restrict psFile, int fileLen); +int io_progCheck(prog_t * __restrict prg, int re); /* - * io_arrayInit() - Create and initialize dynamic array - * @numItems = Number of Items - * return: NULL error, != NULL allocated memory for array + * io_progAttach() - Attach to open program + * + * @prg = program pool + * @newOne = Execute new one program after attach + * return: NULL error or !=NULL attached program handle */ -inline array_t *io_arrayInit(int numItems); +#ifdef POPEN_STREAM +FILE *io_progAttach(prog_t * __restrict prg, int newOne); +#else +int io_progAttach(prog_t * __restrict prg, int newOne); +#endif /* - * io_arrayDestroy() - Free and destroy dynamic array - * @parr = Array + * io_progDetach() - Detch from open program + * + * @prg= program pool + * @pfd = attached program handle * return: none */ -inline void io_arrayDestroy(array_t ** __restrict parr); -/* - * io_arrayFree() - Free all data in dynamic array items - * (WARNING! If assign static array dont use this!!!) - * @arr = Array - * return: none - */ -inline void io_arrayFree(array_t * __restrict arr); -/* - * io_arrayFrom() - Create and fill array from array with pointers - * @pargv = Array with pointers - * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item - * return: NULL error, != NULL allocated new array - */ -inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc); -/* - * io_arrayTo() - Create and fill array with pointers from dynamic array - * @arr = Array - * return: NULL error, != NULL allocated memory for array, NULL terminated - */ -inline char **io_arrayTo(array_t * __restrict arr); -/* - * io_arrayLen() - Get last used element in dynamic array (array Length) - * @arr = Array - * return: -1 error, 0 empty or >0 position of last used element - */ -inline int io_arrayLen(array_t * __restrict arr); -/* - * io_arrayConcat() Concat source array to destination array - * @dest = Destination array - * @src = Source array - * return: -1 error; >0 new count of destination array - */ -int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src); -/* - * io_arrayCopy() Copy source array to destination array - * @dest = Destination array, after use free with io_arrayDestroy() - * @src = Source array - * return: -1 error; >0 count of destination array - */ -int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src); -/* - * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!! - * @arr = Array - * @newNumItems = Number of Items - * @freeShrink = Free elements before shrink array - * return: -1 error, 0 ok - */ -int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink); -/* - * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted - * @arr = Array - * @fromWhere = 1 begin, 2 ALL empty elements - * return: -1 error, 0 ok - */ -int io_arrayVacuum(array_t * __restrict arr, int fromWhere); +#ifdef POPEN_STREAM +void io_progDetach(prog_t * __restrict prg, FILE *pfd); +#else +void io_progDetach(prog_t * __restrict prg, int pfd); +#endif -#define io_arraySize(_arr) ((_arr) ? (_arr)->arr_num : 0) -#define io_arrayZero(_arr) (assert((_arr)), memset((_arr)->arr_data, 0, \ - io_arraySize((_arr)) * sizeof(void*))) -#define io_arrayGet(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), *((_arr)->arr_data + _d)) -#define io_array(_arr, _d, _type) (assert((_arr) && (_arr)->arr_num > _d), \ - ((_type) *((_arr)->arr_data + _d))) -#define io_arraySet(_arr, _d, _ptr) do { \ - assert((_arr) && (_arr)->arr_num > _d); \ - *((_arr)->arr_data + _d) = (void*) (_ptr); \ - } while (0) -#define io_arrayDel(_arr, _d, _fri) do { \ - assert((_arr) && (_arr)->arr_num > _d); \ - if (_fri) \ - free(*((_arr)->arr_data + _d)); \ - *((_arr)->arr_data + _d) = NULL; \ - } while (0) - /* - * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array - * @arr = Array - * @n = Position - * @data = Element, if set NULL GET element at position or !=NULL PUT element at position - * return: -1 error or !=-1 return element at position + * ioInitSocket() - Init socket and allocate resources + * + * @role = Socket role + * @type = Socket type + * @proto = Socket protocol + * @addr = Bind to address + * @port = Bind to port + * @buflen = Socket buffer, optional if =0 == BUFSIZ + * return: NULL error or !=NULL created socket */ -inline void *io_arrayElem(array_t * __restrict arr, int n, void *data); +sock_t *ioInitSocket(int role, int type, int proto, + const char *addr, unsigned short port, size_t buflen); /* - * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position - * @arr = Array - * @data = Element, if set NULL return only first empty position - * return: -1 not found empty position, array is full!, >-1 return position of stored element into array - */ -inline int io_arrayPush(array_t * __restrict arr, void **data); -/* - * io_arrayPop() - Pop element from dynamic array like stack manner, last used position - * @arr = Array - * @data = Element, if set NULL return only last used position - * @delAfter = Delete after Pop element, !=0 delete element from array after return data - * return: -1 not found used position, array is empty!, >-1 return element position - */ -inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter); - -/* - * io_argsNum() Parse and calculate number of arguments - * @csArgs = Input arguments line - * @csDelim = Delimiter(s) for separate - * return: 0 error format; -1 error:: can`t read; >0 ok, number of items - */ -inline int io_argsNum(const char *csArgs, const char *csDelim); - -/* - * io_arrayMake() Parse and make array from arguments ... (input string will be modified!!! - * and output array must be free with io_arrayDestroy() after use!) - * @psArgs = Input arguments line, after execute string is modified!!! - * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs - * @csDelim = Delimiter(s) for separate - * @parr = Output array of arguments ... (must be free with io_arrayDestroy() after use!) - * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items - */ -int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim, - array_t ** __restrict parr); - -/* - * io_MakeAV() Parse and make attribute/value pair - * @csArgs = Input argument line - * @csDelim = Delimiter for separate - * @psAttr = Output Attribute - * @attrLen = Size of attribute array - * @psValue = Output Value, if ==NULL this element not present value or not wanted for return - * @valLen = Size of value array - * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items -*/ -int io_MakeAV(const char * __restrict csArgs, const char *csDelim, - char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen); - -/* - * io_sarrInit() - Create and initialize dynamic split-order array - * @numItems = Number of Items - * @segLen = Length of segment - * return: NULL error, != NULL allocated memory for array - */ -inline sarr_t *io_sarrInit(int numItems, int segLen); -/* - * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array - * @parr = Array + * ioCloseSocket() - Close socket and free resources + * + * @s = Socket * return: none */ -inline void io_sarrDestroy(sarr_t ** __restrict parr); +void ioCloseSocket(sock_t ** __restrict s); +#define ioKillSocket(x) (assert((x)), (x)->sock_kill = 1) /* - * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!! - * @arr = Array - * @newNumItems = Number of Items - * return: -1 error, 0 ok + * ioCloseClient() - Close client socket + * + * @c = Client socket + * return: 0 ok or !=0 error */ -int io_sarrGrow(sarr_t * __restrict arr, int newNumItems); +int ioCloseClient(sock_cli_t * __restrict c); /* - * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed - * @arr = Array - * return: -1 error, >-1 freed segments + * ioSetupProg2Socket() - Setup program pool to socket server + * + * @s = Socket + * @p = Program pool + * return: -1 error or 0 ok */ -inline int io_sarrVacuum(sarr_t * __restrict arr); -#define io_sarrSize(_arr) ((_arr) ? (_arr)->sarr_num : 0) -#define io_sarrSeg(_arr) (assert((_arr)), (_arr)->sarr_seg) +int ioSetupProg2Socket(sock_t * __restrict s, prog_t * __restrict p); /* - * io_sarrCopy() Copy source split array to destination split array - * @dest = Destination split array, after use free with io_sarrDestroy() - * @src = Source split array - * return: -1 error; >0 count of destination split array + * 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 io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src); +int ioUpSocket(sock_t * __restrict s, void *arg, int timeout); /* - * io_sarrGet() - Get element from dynamic split-order array - * @arr = Array - * @idx = Index (warning 1st element is at position 1) - * return: NULL not found, !=NULL element + * ioUpdTimerSocket() - Update timeout of socket + * + * @c = Client socket + * return: none */ -inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx); +void ioUpdTimerSocket(sock_cli_t * __restrict c); /* - * io_sarrGet2() - Always get element from dynamic split-order array - * Function automatic grow array. Good use for Hash tables! - * @arr = Array - * @idx = Index (warning 1st element is at position 1) - * return: NULL not found, !=NULL element + * ioLoopSocket() - Start socket scheduler + * + * @s = Socket + * @rcb = Read callback + * return: -1 error or return result from scheduler */ -void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx); +int ioLoopSocket(sock_t * __restrict s, sched_task_func_t rcb); /* - * io_sarrSet() - Set element to dynamic split-order array - * @arr = Array - * @idx = Index (warning 1st element is at position 1) - * @data = Value - * return: NULL error or empty, !=NULL old value in element + * ioBridgeProg2Socket() - Start socket scheduler and bridge program to socket + * + * @s = Socket + * @prgname = Program name + * return: 0 ok or !=0 error */ -inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data); -#define io_sarrDel(_arr, _idx) io_sarrSet((_arr), _idx, NULL) -#define io_sarr(_arr, _idx, _type) (_type)io_sarrGet((_arr), _idx) -/* - * io_sarr2array() - Convert from split-order array to dynamic array - * @sa = split array - * @sarrFree = after convert split array !=0 will be destroyed sarray - * return: NULL error or != NULL new array - */ -array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree); -/* - * io_array2sarr() - Convert from dynamic array to split-order array - * @a = array - * @segLen = Length of segment - * @arrFree = after convert array !=0 will be destroyed - * return: NULL error or != NULL new sarr - */ -sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree); +int ioBridgeProg2Socket(sock_t * __restrict s, const char *prgname); + /* - * io_CopyEnv() Copy environment to new environment array; - * @oldenv = Environment array - * return: NULL error; !=NULL Allocated new environment array(must be free) + * ioPromptRead() - Read data from input h[0] with prompt to output h[1] + * + * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout + * @csPrompt = Prompt before input, may be NULL + * @psData = Readed data + * @dataLen = Length of data + * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars */ -char **io_CopyEnv(const char **oldenv); +int ioPromptRead(int *h, const char *csPrompt, + char * __restrict psData, int dataLen); /* - * io_ExecArgs() Build exec arguments from other array - * @psProg = Program name for execute - * @oldarg = Arguments array - * return: NULL error; !=NULL Allocated execution array(must be free) + * ioPromptPassword() - Read password from input h[0] with prompt to output h[1] + * + * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout + * @csPrompt = Prompt before input, may be NULL + * @psPass = Readed password + * @passLen = Length of password + * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation + * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars */ -char **io_ExecArgs(const char *psProg, const char **oldarg); -/* - * io_FreeNullTerm() Free dynamic allocated null terminated array with strings - * @arr = Pointer to array for free - * return: none -*/ -inline void io_FreeNullTerm(char *** __restrict arr); +int ioPromptPassword(int *h, const char *csPrompt, + char * __restrict psPass, int passLen, int confirm); + /* - * ioMkDir() Function for racursive directory creation and validation + * ioMkDir() - Function for racursive directory creation and validation + * * @csDir = Full directory path * @mode = Mode for directory creation if missing dir * return: -1 error, 0 directory path exist, >0 created missing dirs @@ -705,7 +352,8 @@ inline void io_FreeNullTerm(char *** __restrict arr); int ioMkDir(const char *csDir, int mode); /* - * ioWatchDirLoop() Function for watching changes in directory and fire callback + * ioWatchDirLoop() - Function for watching changes in directory and fire callback + * * @csDir = Full directory path * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create * return: -1 error, !=-1 ok, number of total signaled events @@ -713,91 +361,81 @@ int ioMkDir(const char *csDir, int mode); int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp)); +#ifdef AIO_OPS /* - * io_rread() Raw VFS read function + * io_aiobulk() - AIO bulk R/W function + * + * @mode = Bulk wait mode + * @acbs = List of aiocb structures + * @nacb = Number of aiocb in list + * @sig = Event for completed operations, may be =NULL + * return: -1 error or 0 ok + */ +int io_aiobulk(int mode, struct aiocb ** __restrict acbs, int nacb, + struct sigevent *sig); +#endif +/* + * io_rreadv() - Raw VFS bulk read function + * * @fd = File handle + * @bufs = Read buffers + * @nbufs = Number of read buffers + * @offset = Read from position, if -1 read nbytes from current position + * @update = Update file handle position !0 + * return: -1 error or !=-1 readed bytes + */ +int io_rreadv(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset, + int update); +/* + * io_rwritev() - Raw VFS bulk write function + * + * @fd = File handle + * @bufs = Write buffers + * @nbufs = Number of write buffers + * @offset = Write to position, if -1 write nbytes to current position + * @update = Update file handle position !0 + * return: -1 error or !=-1 written bytes + */ +int io_rwritev(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset, + int update); +/* + * io_rread() - Raw VFS read function + * + * @fd = File handle * @buf = Read buffer * @nbytes = Read buffer size * @offset = Read from position, if -1 read nbytes from current position * @update = Update file handle position !0 * return: -1 error or !=-1 readed bytes */ -inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update); +int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, + int update); /* - * io_rwrite() Raw VFS write function + * io_rwrite() - Raw VFS write function + * * @fd = File handle * @buf = Write buffer * @nbytes = Write bytes from buffer * @offset = Write at position, if -1 write nbytes from current position * @update = Update file handle position !0 - * return: -1 error or !=-1 writed bytes + * return: -1 error or !=-1 written bytes */ -inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update); +int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, + int update); /* Disk I/O helper macros */ #define io_read(f, b, n) io_rread(f, b, n, -1, 1) #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1) -/* Debug helper macros */ -extern int io_Debug; - -#define io_enableDEBUG int io_Debug -#define io_initDebug(x) (io_Debug = (x)) -#define io_incDebug (io_Debug++) -#define io_decDebug (io_Debug--) - -/* Debug macros */ -#define ioVERBOSE(x) if ((x) <= io_Debug) -#define ioTRACE(x) if ((x) <= io_Debug) \ - syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__) -#define ioDEBUG(x, fmt, ...) do { \ - assert((fmt)); \ - char str[STRSIZ] = { 0 }; \ - snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \ - if ((x) <= io_Debug) \ - syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \ - (x), __func__, __LINE__, str); \ - } while (0) - -/* Logger macro */ -#define ioLOGGER(x, fmt, ...) do { \ - assert((fmt)); \ - char str[STRSIZ] = { 0 }; \ - snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \ - syslog((x), "Logger:%s(%d): %s\n", \ - __func__, __LINE__, str); \ - } while (0) - -/* Error state macros */ -#define ioERROR(x, fmt, ...) do { \ - assert((fmt)); \ - char str[STRSIZ] = { 0 }; \ - snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \ - syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \ - __func__, __LINE__, (x), str); \ - } while (0) -#define ioSYSERR(x) do { \ - if (x > 0 || errno) \ - syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \ - __func__, __LINE__, x > 0 ? x : errno, \ - strerror(x > 0 ? x : errno)); \ - } while (0) -#define ioLIBERR(ait) do { \ - if (ait##_GetErrno()) \ - syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \ - __func__, __LINE__, ait##_GetErrno(), \ - ait##_GetError()); \ - } while (0) - - /* Crypto framework */ /* - * ioCipher() Cipher wrapper for all supported crypto algorythms + * ioCipher() - Cipher wrapper for all supported crypto algorythms + * * @pInput = input buffer * @inLen = input buffer len - * @ppOutput = output allocated buffe, must be free after use + * @ppOutput = output allocated buffe, must be e_free after use * @Cipher = cipher engine, like EVP_bf_cbc() or etc... * @pKey = key * @pIV = IV, salt (8 bytes) @@ -808,10 +446,11 @@ int ioCipher(unsigned char *pInput, int inLen, unsigne unsigned char *pKey, unsigned char *pIV, int nMode); /* - * io_Blowfish() Blowfish cipher algorythm, work with ASCII hex strings + * io_Blowfish() - Blowfish cipher algorythm, work with ASCII hex strings + * * @pInput = input buffer * @inLen = input buffer len - * @ppOutput = output allocated buffe, must be free after use + * @ppOutput = output allocated buffe, must be e_free after use * @pKey = key * @pIV = IV, salt (8 bytes) * @nMode = Mode 0 - decrypting or 1 - encrypting @@ -820,10 +459,11 @@ int ioCipher(unsigned char *pInput, int inLen, unsigne int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput, unsigned char *pKey, unsigned char *pIV, int nMode); /* - * io_ctr_AES() Encrypt/Decrypt stream cipher CTR_AES + * io_ctr_AES() - Encrypt/Decrypt stream cipher CTR_AES + * * @pInput = Input buffer with ASCII * @inLen = Input buffer data length - * @ppOutput = Output buffer with cipher data, must be free after use + * @ppOutput = Output buffer with cipher data, must be e_free after use * @pKey = Key * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!! * return: -1 error or >-1 how many cipher blocks proceeded @@ -833,7 +473,8 @@ int io_ctr_AES(unsigned char *pInput, int inLen, unsig /* - * ioAllocPTY() Allocate new PTY and TTY + * ioAllocPTY() - Allocate new PTY and TTY + * * @ptyfd = master fd, pty * @ttyfd = slave fd, tty * @name = tty device name if not null @@ -842,17 +483,19 @@ int io_ctr_AES(unsigned char *pInput, int inLen, unsig * @winz = winsize for terminal * return: -1 error or 0 ok */ -inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, +int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, struct termios * __restrict term, struct winsize * __restrict winz); /* - * ioFreePTY() Release PTY and TTY device + * ioFreePTY() - Release PTY and TTY device + * * @ptyfd = master fd, pty (==-1 skip closing pty) * @ttyname = tty filename * return: none */ -inline void ioFreePTY(int ptyfd, const char *ttyname); +void ioFreePTY(int ptyfd, const char *ttyname); /* - * ioChgWinPTY() Change window size of PTY + * ioChgWinPTY() - Change window size of PTY + * * @ptyfd = master fd, pty * @row = row * @col = col @@ -860,10 +503,11 @@ inline void ioFreePTY(int ptyfd, const char *ttyname); * @ypxl = y pixels * return: -1 error or 0 ok */ -inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col, +int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col, unsigned short xpxl, unsigned short ypxl); /* - * ioSetOwnerTTY() Set owner to TTY + * ioSetOwnerTTY() - Set owner to TTY + * * @ttyname = tty filename * @UID = uid * @GID = gid @@ -871,28 +515,32 @@ inline int ioChgWinPTY(int ptyfd, unsigned short row, */ int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID); /* - * ioSetSidTTY() Makes the process's controlling TTY and sets it to sane modes. + * ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes. + * * @ttyfd = slave fd, tty * @ttyname = tty filename * return: -1 error or 0 ok */ int ioSetSidTTY(int *ttyfd, const char *ttyname); /* - * ioSetRAWMode() Enter into RAW mode + * ioSetRAWMode() - Enter into RAW mode + * * @fd = tty fd * @otio = saved old termios for later restore if !=NULL * return: -1 error or 0 ok */ -inline int ioSetRAWMode(int fd, struct termios *otio); +int ioSetRAWMode(int fd, struct termios *otio); /* - * ioRestoreMode() Restore termios to tty fd + * ioRestoreMode() - Restore termios to tty fd + * * @fd = tty fd * @tio = termios structure for restore * return: -1 error or 0 ok */ -inline int ioRestoreMode(int fd, struct termios tio); +int ioRestoreMode(int fd, struct termios tio); /* - * ioForkPTY() Fork new process with session leader and new TTY + * ioForkPTY() - Fork new process with session leader and new TTY + * * @ptyfd = master fd, pty * @name = tty device name if not null * @namesiz = name length, must be above 63 bytes. @@ -905,15 +553,17 @@ pid_t ioForkPTY(int *ptyfd, char * __restrict name, in struct winsize * __restrict winz, struct termios * __restrict otio); /* - * ioCreatePIDFile() Create PID file + * ioCreatePIDFile() - Create PID file + * * @csName = PID filename * @ifExists = !=0 if filename exists return error * return: -1 error or 0 ok */ -inline int ioCreatePIDFile(const char *csName, int ifExists); +int ioCreatePIDFile(const char *csName, int ifExists); /* - * ioSendFile() AITNET sendfile() userland implementation, not dependant from OS + * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS + * * @s = socket * @csFile = file for send * @sendLen = bytes to send, if 0 send all data @@ -923,7 +573,8 @@ inline int ioCreatePIDFile(const char *csName, int ifE */ size_t ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf); /* - * ioRecvFile() Receive file from socket, fastest (zero-copy) way + * ioRecvFile() - Receive file from socket, fastest (zero-copy) way + * * @s = socket * @csFile = file for receive * @recvLen = receive bytes @@ -933,11 +584,18 @@ 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 */ /* - * io_fmemopen() File buffered stream operations over memory block + * io_fmemopen() - File buffered stream operations over memory block * * @base = Base address of memory block, if =NULL Infinit length(auto-grow) * @basesize = Size of memory block @@ -945,7 +603,7 @@ size_t ioRecvFile(int s, const char *csFile, size_t re */ FILE *io_fmemopen(void ** __restrict base, off_t basesize); /* - * io_fmapopen() File buffered stream operations over MMAP block + * io_fmapopen() - File buffered stream operations over MMAP block * * @csFile = Filename for MMAP, if =NULL private MMAP block * @mode = File open mode @@ -957,15 +615,15 @@ FILE *io_fmemopen(void ** __restrict base, off_t bases */ FILE *io_fmapopen(const char *csFile, int mode, int perm, int prot, int flags, off_t offset); /* - * io_fd2buf() Convert open file handle to buffered file I/O + * io_fd2buf() - Convert open file handle to buffered file I/O * * @fd = File handle * @mode = Permissions for new buffered file I/O * return: NULL error or open buffered file */ -inline FILE *io_fd2buf(int fd, const char *mode); +FILE *io_fd2buf(int fd, const char *mode); /* - * io_dumbFile() Create empry or dumb file with fixed size + * io_dumbFile() - Create empry or dumb file with fixed size * * @csFile = Filename for create * @mode = File access permissions @@ -973,6 +631,78 @@ inline 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_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 + * @flags = open flags + * @whdr = with complete headers + * @wdlt = with data link type + * @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, unsigned int whdr, + unsigned int wdlt, 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_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 + * + * @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