Annotation of libaitio/inc/aitio.h, revision 1.18.2.3

1.1       misho       1: /*************************************************************************
1.8       misho       2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
1.1       misho       4: *
                      5: * $Author: misho $
1.18.2.3! misho       6: * $Id: aitio.h,v 1.18.2.2 2012/05/23 11:49:34 misho Exp $
1.1       misho       7: *
1.8       misho       8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
1.15      misho      15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.8       misho      16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
1.1       misho      46: #ifndef __AITIO_H
                     47: #define __AITIO_H
                     48: 
                     49: 
1.12      misho      50: #define COMPAT_43TTY
                     51: 
1.8       misho      52: #include <assert.h>
1.7       misho      53: #include <openssl/evp.h>
1.12      misho      54: #include <openssl/aes.h>
                     55: #include <sys/tty.h>
                     56: #include <sys/ioctl_compat.h>
1.13      misho      57: #include <sys/socket.h>
                     58: #include <sys/un.h>
                     59: #include <net/if_dl.h>
                     60: #include <netinet/in.h>
1.7       misho      61: 
                     62: 
1.18.2.3! misho      63: #ifdef USE_MPOOL
1.18.2.2  misho      64: #else
                     65: #define xmalloc(x)     malloc(x)
                     66: #define xcalloc(x, y)  calloc(x, y)
                     67: #define xrealloc(x, y) realloc(x, y)
                     68: #define xstrdup(x)     strdup(x)
                     69: #define xfree(x)       free(x)
                     70: #endif
                     71: 
1.8       misho      72: #define VACUUM_LEFT    1
                     73: #define VACUUM_BETWEEN 2
                     74: 
1.12      misho      75: /* AIT arrays */
1.8       misho      76: 
1.9       misho      77: typedef void ** sarr_seg_t;
                     78: typedef struct _tagSplitArray {
                     79:        int             sarr_num;
                     80:        int             sarr_seg;
                     81:        int             sarr_siz;
                     82:        sarr_seg_t      *sarr_data;
                     83: } sarr_t;
                     84: 
1.8       misho      85: typedef struct _tagArray {
1.17      misho      86:        int     arr_last;
1.8       misho      87:        int     arr_num;
                     88:        void    **arr_data;
                     89: } array_t;
                     90: 
1.12      misho      91: /* AIT RPC variables and managment */
                     92: 
                     93: typedef enum {
1.16      misho      94:        empty, ptr, data,               /* empty -> variable is not set; ptr -> void*; data -> data after struct  */
1.14      misho      95:        buffer, string, blob,           /* buffer -> uint8_t*; string -> int8_t*; blob -> uint32_t blobID(+socket); */
1.12      misho      96:        f32, f64,                       /* float -> f32; double -> f64 */
                     97:        u8, u16, u32, u64,              /* unsigned integers ... */
                     98:        i8, i16, i32, i64,              /* integers ... */
                     99: } ait_type_t;
                    100: 
                    101: typedef struct {
                    102:        uint8_t         val_type;
1.16      misho     103:        uint8_t         val_pad;
1.17      misho     104:        uint16_t        val_key;
1.12      misho     105:        uint32_t        val_len;
                    106:        union {
                    107:                uint64_t        net;
                    108: 
1.14      misho     109:                void            *ptr;
1.12      misho     110:                uint8_t         *buffer;
                    111:                int8_t          *string;
                    112:                uint32_t        blob;
                    113:                float           f32;
                    114:                double          f64;
                    115:                uint8_t         u8;
                    116:                uint16_t        u16;
                    117:                uint32_t        u32;
                    118:                uint64_t        u64;
                    119:                int8_t          i8;
                    120:                int16_t         i16;
                    121:                int32_t         i32;
                    122:                int64_t         i64;
                    123:        } val;
1.16      misho     124:        uint8_t         val_data[0];
1.12      misho     125: } __packed ait_val_t;
                    126: 
                    127: #define AIT_TYPE(_vl)                  ((ait_type_t) (_vl)->val_type)
                    128: #define AIT_LEN(_vl)                   (_vl)->val_len
1.17      misho     129: #define AIT_KEY(_vl)                   (_vl)->val_key
1.14      misho     130: #define AIT_RAW(_vl)                   (_vl)->val.net
1.17      misho     131: #define AIT_ADDR(_vl)                  (_vl)->val.ptr
                    132: #define AIT_BLOB_CHUNKS(_vl, _n)       (AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
                    133: #define AIT_ISEMPTY(_vl)               (AIT_TYPE((_vl)) == empty)
                    134: 
1.18      misho     135: #define AIT_GET_LIKE(_vl, _type)       ((_type) AIT_ADDR((_vl)))
1.17      misho     136: 
                    137: #define AIT_GET_PTR(_vl)               (assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
                    138: #define AIT_GET_DATA(_vl)              (assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
                    139: #define AIT_GET_BUF(_vl)               (assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
                    140: #define AIT_GET_STR(_vl)               (assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
                    141: #define AIT_GET_BLOB(_vl)              (assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
                    142: #define AIT_GET_U8(_vl)                        (assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
                    143: #define AIT_GET_U16(_vl)               (assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
                    144: #define AIT_GET_U32(_vl)               (assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
                    145: #define AIT_GET_U64(_vl)               (assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
                    146: #define AIT_GET_I8(_vl)                        (assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
                    147: #define AIT_GET_I16(_vl)               (assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
                    148: #define AIT_GET_I32(_vl)               (assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
                    149: #define AIT_GET_I64(_vl)               (assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
                    150: #define AIT_GET_F32(_vl)               (assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
                    151: #define AIT_GET_F64(_vl)               (assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
1.12      misho     152: 
1.16      misho     153: #define AIT_SET_DATA(_vl, _p, _len)    do { ait_val_t *__val = (_vl); \
1.18.2.2  misho     154:                                                __val = xrealloc(__val, sizeof(ait_val_t) + _len); \
1.16      misho     155:                                                if (__val) { \
                    156:                                                        __val->val_type = data; AIT_LEN(__val) = _len; \
                    157:                                                        if ((_p)) \
                    158:                                                                memcpy(__val->val_data, (_p), _len); \
                    159:                                                } \
                    160:                                                (_vl) = __val; \
                    161:                                        } while (0);
1.14      misho     162: #define AIT_SET_PTR(_vl, _p, _len)     do { ait_val_t *__val = (_vl); assert(__val); \
                    163:                                                __val->val_type = ptr; AIT_LEN(__val) = _len; \
                    164:                                                __val->val.ptr = _p; } while (0)
1.18      misho     165: #define AIT_RE_BUF(_vl, _len)          do { ait_val_t *__val = (_vl); assert(__val); \
1.18.2.2  misho     166:                                                void *__ptr = xrealloc(AIT_GET_BUF(__val), _len); \
1.18      misho     167:                                                if (__ptr) { \
                    168:                                                        __val->val.buffer = __ptr; AIT_LEN(__val) = _len; \
                    169:                                                } } while (0)
                    170: #define AIT_SET_BUF2(_vl, _c, _len)    do { ait_val_t *__val = (_vl); assert(__val); \
1.18.2.2  misho     171:                                                __val->val.buffer = xmalloc(_len); \
1.18      misho     172:                                                if (__val->val.buffer) { \
                    173:                                                        __val->val_type = buffer; AIT_LEN(__val) = _len; \
                    174:                                                        memset(__val->val.buffer, _c, _len); \
                    175:                                                } } while (0)
1.14      misho     176: #define AIT_SET_BUF(_vl, _v, _len)     do { ait_val_t *__val = (_vl); assert(__val); \
1.18.2.2  misho     177:                                                __val->val.buffer = xmalloc(_len); \
1.12      misho     178:                                                if (__val->val.buffer) { \
                    179:                                                        __val->val_type = buffer; AIT_LEN(__val) = _len; \
1.18      misho     180:                                                        if ((_v)) \
                    181:                                                                memcpy(__val->val.buffer, (_v), _len); \
                    182:                                                        else \
                    183:                                                                memset(__val->val.buffer, 0, _len); \
1.12      misho     184:                                                } } while (0)
1.18.2.1  misho     185: #define AIT_SET_STR(_vl, _v)           do { ait_val_t *__val = (_vl); assert(__val); \
1.18.2.2  misho     186:                                                __val->val.string = (int8_t*) xstrdup((_v)); \
1.12      misho     187:                                                if (__val->val.string) { \
                    188:                                                        __val->val_type = string; \
                    189:                                                        AIT_LEN(__val) = strlen((_v)) + 1; \
                    190:                                                } } while (0)
1.14      misho     191: #define AIT_SET_STRCAT(_vl, _v)                do { ait_val_t *__val = (_vl); assert(__val); \
                    192:                                                assert(AIT_TYPE(__val) == string); \
1.18.2.2  misho     193:                                                void *__p = xrealloc(__val->val.string, \
1.17      misho     194:                                                                AIT_LEN(__val) + strlen((_v))); \
1.14      misho     195:                                                if (__p) { \
                    196:                                                        __val->val.string = __p; \
                    197:                                                        AIT_LEN(__val) += strlen((_v)); \
1.17      misho     198:                                                        strlcat((char*) __val->val.string, (_v), \
                    199:                                                                        AIT_LEN(__val)); \
1.14      misho     200:                                                } } while (0)
1.12      misho     201: #define AIT_SET_BLOB(_vl, _n, _len)    do { ait_val_t *__val = (_vl); assert(__val); \
                    202:                                                __val->val_type = blob; AIT_LEN(__val) = _len; \
                    203:                                                __val->val.blob = _n; } while (0)
                    204: #define AIT_SET_BLOB2(_vl, _bv)                do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
                    205:                                                __val->val_type = blob; AIT_LEN(__val) = (_bv)->blob_len; \
                    206:                                                __val->val.blob = (_bv)->blob_var; } while (0)
                    207: #define AIT_NEW_BLOB(_vl, _len)                AIT_SET_BLOB((_vl), 0, _len)
                    208: 
                    209: #define AIT_SET_U8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
                    210:                                                __val->val_type = u8; __val->val.u8 = _n; \
                    211:                                                AIT_LEN(__val) = sizeof(uint8_t); } while (0)
                    212: #define AIT_SET_U16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    213:                                                __val->val_type = u16; __val->val.u16 = _n; \
                    214:                                                AIT_LEN(__val) = sizeof(uint16_t); } while (0)
                    215: #define AIT_SET_U32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    216:                                                __val->val_type = u32; __val->val.u32 = _n; \
                    217:                                                AIT_LEN(__val) = sizeof(uint32_t); } while (0)
                    218: #define AIT_SET_U64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    219:                                                __val->val_type = u64; __val->val.u64 = _n; \
                    220:                                                AIT_LEN(__val) = sizeof(uint64_t); } while (0)
                    221: #define AIT_SET_I8(_vl, _n)            do { ait_val_t *__val = (_vl); assert(__val); \
                    222:                                                __val->val_type = i8; __val->val.i8 = _n; \
                    223:                                                AIT_LEN(__val) = sizeof(int8_t); } while (0)
                    224: #define AIT_SET_I16(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    225:                                                __val->val_type = i16; __val->val.i16 = _n; \
                    226:                                                AIT_LEN(__val) = sizeof(int16_t); } while (0)
                    227: #define AIT_SET_I32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    228:                                                __val->val_type = i32; __val->val.i32 = _n; \
                    229:                                                AIT_LEN(__val) = sizeof(int32_t); } while (0)
                    230: #define AIT_SET_I64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    231:                                                __val->val_type = i64; __val->val.i64 = _n; \
                    232:                                                AIT_LEN(__val) = sizeof(int64_t); } while (0)
                    233: #define AIT_SET_F32(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    234:                                                __val->val_type = f32; __val->val.f32 = _n; \
                    235:                                                AIT_LEN(__val) = sizeof(float); } while (0)
                    236: #define AIT_SET_F64(_vl, _n)           do { ait_val_t *__val = (_vl); assert(__val); \
                    237:                                                __val->val_type = f64; __val->val.f64 = _n; \
                    238:                                                AIT_LEN(__val) = sizeof(double); } while (0)
                    239: 
1.18      misho     240: #define AIT_COPY_VAL(_vl, _v)          do { memcpy((_vl), (_v), sizeof(ait_val_t)); \
                    241:                                                switch (AIT_TYPE((_vl))) { \
                    242:                                                        case buffer: \
                    243:                                                                AIT_SET_BUF((_vl), AIT_GET_BUF((_v)), AIT_LEN((_v))); \
                    244:                                                                break; \
                    245:                                                        case string: \
                    246:                                                                AIT_SET_STR((_vl), AIT_GET_STR((_v))); \
                    247:                                                                break; \
                    248:                                                        default: \
                    249:                                                                break; \
                    250:                                                } \
                    251:                                        } while (0)
                    252: #define AIT_COPY_VAL2(_vl, _v)         do { AIT_COPY_VAL((_vl), (_v)); \
                    253:                                                if (AIT_TYPE((_vl)) == data) \
                    254:                                                        AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), AIT_LEN((_v))); \
                    255:                                        } while (0)
                    256: 
1.17      misho     257: #define AIT_INIT_VAL(_vl)              (memset((_vl), 0, sizeof(ait_val_t)))
1.18.2.2  misho     258:                                        /* if attribute zeroCopy is set not execute xfree() */
1.16      misho     259: #define AIT_FREE_VAL(_vl)              do { ait_val_t *__val = (_vl); assert(__val); \
                    260:                                                switch (AIT_TYPE(__val)) { \
1.12      misho     261:                                                        case buffer: \
                    262:                                                                if (__val->val.buffer) { \
1.18.2.2  misho     263:                                                                        xfree(__val->val.buffer); \
1.12      misho     264:                                                                        __val->val.buffer = NULL; \
                    265:                                                                } \
                    266:                                                                break; \
                    267:                                                        case string: \
                    268:                                                                if (__val->val.string) { \
1.18.2.2  misho     269:                                                                        xfree(__val->val.string); \
1.12      misho     270:                                                                        __val->val.string = NULL; \
                    271:                                                                } \
                    272:                                                                break; \
                    273:                                                        default: \
                    274:                                                                break; \
                    275:                                                } \
                    276:                                                __val->val_type = empty; \
                    277:                                                AIT_LEN(__val) = 0; \
                    278:                                        } while (0)
                    279: 
                    280: struct io_ether_addr {
                    281:        u_int8_t ether_addr_octet[6];
                    282: };
1.13      misho     283: typedef struct io_ether_addr io_ether_addr_t;
                    284: 
                    285: typedef union {
                    286:        struct sockaddr_storage ss;
                    287:        struct sockaddr         sa;
                    288:        struct sockaddr_un      sun;
                    289:        struct sockaddr_in      sin;
                    290:        struct sockaddr_in6     sin6;
                    291:        struct sockaddr_dl      sdl;
                    292: } io_sockaddr_t;
1.12      misho     293: 
1.3       misho     294: 
1.15      misho     295: #define io_align(x, a)         (((x) + (a)) & ~(a))
                    296: 
                    297: 
1.1       misho     298: // io_GetErrno() Get error code of last operation
                    299: inline int io_GetErrno();
                    300: // io_GetError() Get error text of last operation
                    301: inline const char *io_GetError();
                    302: 
1.18.2.3! misho     303: // mpool_inuse() Check for mpool usage
        !           304: inline int mpool_inuse();
        !           305: 
1.1       misho     306: 
                    307: /*
1.17      misho     308:  * io_ether_ntoa() - Convert ethernet address to string
1.16      misho     309:  *
1.12      misho     310:  * @n = ethernet address structure, like struct ether_addr
                    311:  * @a = string
                    312:  * @len = string length
                    313:  * return: NULL error or !=NULL string a
                    314:  */
                    315: inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
                    316: /*
1.17      misho     317:  * io_ether_aton() - Convert string to ethernet address
1.16      misho     318:  *
1.12      misho     319:  * @a = string
                    320:  * @e = ethernet address structure, like struct ether_addr
                    321:  * return: NULL error or !=NULL ethernet address structure
                    322:  */
                    323: inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e);
1.13      misho     324: /*
1.17      misho     325:  * io_n2port() - Extract port from network structure
1.16      misho     326:  *
1.13      misho     327:  * @addr = Address
                    328:  * return: 0 not supported family type or port number
                    329:  */
                    330: inline u_short io_n2port(io_sockaddr_t * __restrict addr);
                    331: /*
1.17      misho     332:  * io_n2addr() - Extract address from network structure
1.16      misho     333:  *
1.13      misho     334:  * @addr = Address
                    335:  * @val = Value for store string address
                    336:  * return: NULL error or !=NULL string address from val
                    337:  */
                    338: const char *io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val);
                    339: /*
1.17      misho     340:  * io_gethostbyname() - Get host and port and make network structure
1.16      misho     341:  *
1.13      misho     342:  * @psHost = Hostname
                    343:  * @port = Port
                    344:  * @addr = Network address structure
                    345:  * return: NULL error or !=NULL network structure
                    346:  */
                    347: io_sockaddr_t *io_gethostbyname(const char *psHost, unsigned short port, 
                    348:                io_sockaddr_t * __restrict addr);
1.12      misho     349: 
                    350: /*
1.17      misho     351:  * io_vars2buffer() - Marshaling data from array with variables to buffer
1.16      misho     352:  *
1.12      misho     353:  * @buf = Buffer
                    354:  * @buflen = Size of buffer
                    355:  * @vars = Variable array
                    356:  * return: -1 error, 0 nothing done or >0 size of marshaled data
                    357:  */
1.13      misho     358: int io_vars2buffer(unsigned char *buf, int buflen, array_t *vars);
1.12      misho     359: /*
1.17      misho     360:  * io_buffer2vars() - De-marshaling data from buffer to array with variables
1.16      misho     361:  *
1.12      misho     362:  * @buf = Buffer
                    363:  * @buflen = Size of buffer
                    364:  * @vnum = Number of variables into buffer
                    365:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
                    366:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
                    367:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
                    368:  */
1.13      misho     369: array_t *io_buffer2vars(unsigned char *buf, int buflen, int vnum, int zcpy);
1.12      misho     370: /*
1.17      misho     371:  * io_vars2map() - Marshaling data from array with variables to memory map
1.16      misho     372:  *
1.12      misho     373:  * @buf = Buffer
                    374:  * @buflen = Size of buffer
                    375:  * @vars = Variable array
                    376:  * return: -1 error, 0 nothing done or >0 size of marshaled data
                    377:  */
1.13      misho     378: int io_vars2map(unsigned char *buf, int buflen, array_t *vars);
1.12      misho     379: /*
1.17      misho     380:  * io_map2vars() - De-marshaling data from memory map to array with variables
1.16      misho     381:  *
1.12      misho     382:  * @buf = Buffer
                    383:  * @buflen = Size of buffer
                    384:  * @vnum = Number of variables into buffer
                    385:  * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and 
                    386:                *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
                    387:  * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
                    388:  */
1.13      misho     389: array_t *io_map2vars(unsigned char *buf, int buflen, int vnum, int zcpy);
                    390: 
                    391: /*
1.17      misho     392:  * io_allocVar() - Allocate memory for variable
1.16      misho     393:  *
1.14      misho     394:  * return: NULL error or new variable, after use free variable with io_freeVar()
                    395:  */
                    396: inline ait_val_t *io_allocVar(void);
                    397: /*
1.17      misho     398:  * io_freeVar() - Free allocated memory for variable
1.16      misho     399:  *
1.14      misho     400:  * @val = Variable
                    401:  * return: none
                    402:  */
1.17      misho     403: inline void io_freeVar(ait_val_t ** __restrict val);
1.14      misho     404: /*
1.17      misho     405:  * io_allocVars() - Allocate ait_val_t array
1.16      misho     406:  *
1.13      misho     407:  * @varnum = Number of variables
                    408:  * return: =NULL error or !=NULL allocated array
                    409:  */
                    410: inline array_t *io_allocVars(int varnum);
                    411: /*
1.17      misho     412:  * io_clrVars() - Clear ait_val_t elements from array
1.16      misho     413:  *
1.13      misho     414:  * @vars = Variable array
                    415:  * return: -1 error or size of array
                    416:  */
                    417: inline int io_clrVars(array_t * __restrict vars);
                    418: /*
1.17      misho     419:  * io_freeVars() - Free ait_val_t array
1.16      misho     420:  *
1.13      misho     421:  * @vars = Variable array
                    422:  * return: none
                    423:  */
                    424: inline void io_freeVars(array_t ** __restrict vars);
1.17      misho     425: /*
1.18      misho     426:  * io_getVars() - Get ait_val_t element from array and if not exists allocate it
                    427:  *
                    428:  * @vars = Variable array
                    429:  * @n = index of variable into array
                    430:  * return: NULL error or !=NULL ait_val_t element
                    431:  */
                    432: inline ait_val_t *io_getVars(array_t ** __restrict vars, int n);
                    433: /*
1.17      misho     434:  * io_sortVars() - Sorting array with variables
                    435:  *
                    436:  * @vars = Variable array
                    437:  * @order = Sort order. If =0 ascend ot !=0 descend
                    438:  * @cmp = Compare function for sorting. If =NULL compare by key
                    439:  * return: none
                    440:  */
                    441: inline void io_sortVars(array_t * __restrict vars, int order, 
                    442:                int (*cmp)(const void*, const void*));
                    443: /*
                    444:  * io_findKeyVars() - Find variable by key from array
                    445:  *
                    446:  * @vars = Variables
                    447:  * @key = Search key
                    448:  * return: NULL error or not found, !=NULL valid element
                    449:  */
                    450: ait_val_t *io_findKeyVars(array_t * __restrict vars, u_short key);
1.13      misho     451: 
1.12      misho     452: 
                    453: /*
1.17      misho     454:  * ioPromptRead() - Read data from input h[0] with prompt to output h[1]
1.16      misho     455:  *
1.1       misho     456:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    457:  * @csPrompt = Prompt before input, may be NULL
                    458:  * @psData = Readed data
                    459:  * @dataLen = Length of data
                    460:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    461: */
                    462: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
                    463: /*
1.17      misho     464:  * ioPromptPassword() - Read password from input h[0] with prompt to output h[1]
1.16      misho     465:  *
1.1       misho     466:  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
                    467:  * @csPrompt = Prompt before input, may be NULL
                    468:  * @psPass = Readed password
                    469:  * @passLen = Length of password
                    470:  * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
                    471:  * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
                    472: */
                    473: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
                    474: 
                    475: /*
1.17      misho     476:  * ioRegexVerify() - Function for verify data match in regex expression
1.16      misho     477:  *
1.1       misho     478:  * @csRegex = Regulare expression pattern
                    479:  * @csData = Data for check and verify
                    480:  * @startPos = Return start positions
                    481:  * @endPos = Return end positions
                    482:  * return: NULL not match or error; !=NULL begin of matched data
                    483: */
                    484: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
                    485: /*
1.17      misho     486:  * ioRegexGet() - Function for get data match in regex expression
1.16      misho     487:  *
1.1       misho     488:  * @csRegex = Regulare expression pattern
                    489:  * @csData = Data from get
                    490:  * @psString = Returned string if match
                    491:  * @strLen = Length of string
                    492:  * return: 0 not match; >0 count of returned chars
                    493: */
                    494: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
                    495: /*
1.17      misho     496:  * ioRegexReplace() - Function for replace data match in regex expression with newdata
1.16      misho     497:  *
1.1       misho     498:  * @csRegex = Regulare expression pattern
                    499:  * @csData = Source data
                    500:  * @csNew = Data for replace
1.18.2.2  misho     501:  * return: NULL not match or error; !=NULL allocated new string, must be xfree after use!
1.1       misho     502: */
                    503: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
                    504: 
1.2       misho     505: /*
1.17      misho     506:  * ioStrAst() - Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
1.16      misho     507:  *
1.6       misho     508:  * @csString = Input string
1.18.2.2  misho     509:  * return: NULL error, !=NULL Allocated new string evaluated from input string, must be xfree()
1.6       misho     510: */
1.13      misho     511: char *ioStrAst(const char *csString);
1.6       misho     512: 
                    513: /*
1.17      misho     514:  * io_UnquotStr() - Remove quots from input text string 
1.16      misho     515:  *
1.4       misho     516:  * @psLine = Text string
                    517:  * return: 0 nothing to do; 1 successful unquoted string
                    518: */
1.17      misho     519: inline int io_UnquotStr(char * __restrict psLine);
1.4       misho     520: /*
1.17      misho     521:  * io_LTrimStr() - Remove left whitespaces from text string
1.16      misho     522:  *
1.4       misho     523:  * @psLine = Text string
                    524:  * return: 0 nothing to do; !=0 Removed bytes
                    525: */
1.17      misho     526: inline int io_LTrimStr(char * __restrict psLine);
1.4       misho     527: /*
1.17      misho     528:  * io_RTrimStr() - Remove right whitespaces from text string
1.16      misho     529:  *
1.4       misho     530:  * @psLine = Text string
                    531:  * return: 0 nothing to do; !=0 Removed bytes
                    532: */
1.17      misho     533: inline int io_RTrimStr(char * __restrict psLine);
1.4       misho     534: /*
1.17      misho     535:  * io_TrimStr() - Remove left and right whitespaces from text string
1.16      misho     536:  *
1.4       misho     537:  * @psLine = Text string
                    538:  * return: 0 nothing to do; !=0 Removed bytes
                    539: */
1.17      misho     540: inline int io_TrimStr(char * __restrict psLine);
1.4       misho     541: /*
1.17      misho     542:  * io_Ch2Hex() - Convert from Char string to Hex string
1.16      misho     543:  *
1.4       misho     544:  * @psLine = Text string
                    545:  * @lineLen = Length of Text string
1.18.2.2  misho     546:  * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be xfree)
1.4       misho     547: */
1.5       misho     548: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
1.4       misho     549: /*
1.17      misho     550:  * io_Hex2Ch() - Convert from Hex string to Char string
1.16      misho     551:  *
1.4       misho     552:  * @psLine = Text string
                    553:  * @lineLen = Length of Text string
1.18.2.2  misho     554:  * return: NULL nothing to do or error; !=0 Allocated new converted string(must be xfree)
1.4       misho     555: */
1.5       misho     556: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
1.4       misho     557: 
                    558: /*
1.15      misho     559:  * io_Path2File() - Parse and make path/filename pair
                    560:  *
                    561:  * @csArgs = Input argument line
                    562:  * @psPath = Output Path, if ==NULL path not returned
                    563:  * @pathLen = Size of path array
                    564:  * @psFile = Output File
                    565:  * @fileLen = Size of file array
                    566:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    567:  */
                    568: inline int
                    569: io_Path2File(const char * __restrict csArgs, char * __restrict psPath, 
                    570:                int pathLen, char * __restrict psFile, int fileLen);
                    571: 
                    572: /*
1.8       misho     573:  * io_arrayInit() - Create and initialize dynamic array
1.16      misho     574:  *
1.8       misho     575:  * @numItems = Number of Items
                    576:  * return: NULL error, != NULL allocated memory for array
                    577:  */
                    578: inline array_t *io_arrayInit(int numItems);
                    579: /*
1.10      misho     580:  * io_arrayDestroy() - Free and destroy dynamic array
1.16      misho     581:  *
1.8       misho     582:  * @parr = Array
                    583:  * return: none
                    584:  */
                    585: inline void io_arrayDestroy(array_t ** __restrict parr);
                    586: /*
1.10      misho     587:  * io_arrayFree() - Free all data in dynamic array items
1.8       misho     588:  *     (WARNING! If assign static array dont use this!!!)
1.16      misho     589:  *
1.8       misho     590:  * @arr = Array
                    591:  * return: none
                    592:  */
                    593: inline void io_arrayFree(array_t * __restrict arr);
                    594: /*
1.10      misho     595:  * io_arrayFrom() - Create and fill array from array with pointers
1.16      misho     596:  *
1.11      misho     597:  * @pargv = Array with pointers
1.10      misho     598:  * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
1.11      misho     599:  * return: NULL error, != NULL allocated new array
1.10      misho     600:  */
1.11      misho     601: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
1.10      misho     602: /*
                    603:  * io_arrayTo() - Create and fill array with pointers from dynamic array
1.16      misho     604:  *
1.10      misho     605:  * @arr = Array
1.11      misho     606:  * return: NULL error, != NULL allocated memory for array, NULL terminated
1.10      misho     607:  */
                    608: inline char **io_arrayTo(array_t * __restrict arr);
                    609: /*
1.8       misho     610:  * io_arrayLen() - Get last used element in dynamic array (array Length)
1.16      misho     611:  *
1.8       misho     612:  * @arr = Array
1.17      misho     613:  * return: -1 empty or >-1 position of last used element
1.8       misho     614:  */
                    615: inline int io_arrayLen(array_t * __restrict arr);
                    616: /*
1.10      misho     617:  * io_arrayConcat() Concat source array to destination array
1.16      misho     618:  *
1.10      misho     619:  * @dest = Destination array
                    620:  * @src = Source array
                    621:  * return: -1 error; >0 new count of destination array
                    622:  */
                    623: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
                    624: /*
1.12      misho     625:  * io_arrayCopy() Copy source array to destination array
1.16      misho     626:  *
1.12      misho     627:  * @dest = Destination array, after use free with io_arrayDestroy()
                    628:  * @src = Source array
                    629:  * return: -1 error; >0 count of destination array
                    630:  */
                    631: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
                    632: /*
1.8       misho     633:  * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
1.16      misho     634:  *
1.8       misho     635:  * @arr = Array
                    636:  * @newNumItems = Number of Items
1.12      misho     637:  * @freeShrink = Free elements before shrink array
1.8       misho     638:  * return: -1 error, 0 ok
                    639:  */
1.12      misho     640: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
1.8       misho     641: /*
                    642:  * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
1.16      misho     643:  *
1.8       misho     644:  * @arr = Array
                    645:  * @fromWhere = 1 begin, 2 ALL empty elements
                    646:  * return: -1 error, 0 ok
                    647:  */
                    648: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
                    649: 
1.12      misho     650: #define io_arraySize(_arr)             ((_arr) ? (_arr)->arr_num : 0)
1.17      misho     651: #define io_arrayLast(_arr)             (io_arraySize((_arr)) ? (_arr)->arr_last : -1)
1.12      misho     652: #define io_arrayZero(_arr)             (assert((_arr)), memset((_arr)->arr_data, 0, \
                    653:                                                io_arraySize((_arr)) * sizeof(void*)))
1.8       misho     654: 
1.17      misho     655: #define io_arrayGet2(_arr, _d)         (assert((_arr) && (_arr)->arr_num > _d), ((_arr)->arr_data + _d))
1.18      misho     656: #define io_arrayGet(_arr, _d)          (assert((_arr) && (_arr)->arr_num > _d), (_arr)->arr_data[_d])
1.11      misho     657: #define io_array(_arr, _d, _type)      (assert((_arr) && (_arr)->arr_num > _d), \
1.18      misho     658:                                                ((_type) (_arr)->arr_data[_d]))
1.8       misho     659: #define io_arraySet(_arr, _d, _ptr)    do { \
1.11      misho     660:                                                assert((_arr) && (_arr)->arr_num > _d); \
1.17      misho     661:                                                if ((_arr)->arr_last < _d) \
                    662:                                                        (_arr)->arr_last = _d; \
1.18      misho     663:                                                (_arr)->arr_data[_d] = (void*) (_ptr); \
1.8       misho     664:                                        } while (0)
1.11      misho     665: #define io_arrayDel(_arr, _d, _fri)    do { \
                    666:                                                assert((_arr) && (_arr)->arr_num > _d); \
1.18      misho     667:                                                if (_fri && (_arr)->arr_data[_d]) \
                    668:                                                        free((_arr)->arr_data[_d]); \
                    669:                                                (_arr)->arr_data[_d] = NULL; \
1.17      misho     670:                                        } while (0)
1.8       misho     671: 
                    672: /*
1.13      misho     673:  * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array
1.16      misho     674:  *
1.13      misho     675:  * @arr = Array
                    676:  * @n = Position
                    677:  * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
                    678:  * return: -1 error or !=-1 return element at position
                    679:  */
1.14      misho     680: inline void *io_arrayElem(array_t * __restrict arr, int n, void *data);
1.13      misho     681: /*
1.8       misho     682:  * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
1.16      misho     683:  *
1.8       misho     684:  * @arr = Array
                    685:  * @data = Element, if set NULL return only first empty position
1.17      misho     686:  * @mayGrow = Array may to grow, if not enough room for new element
1.8       misho     687:  * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
                    688:  */
1.17      misho     689: inline int io_arrayPush(array_t * __restrict arr, void **data, int mayGrow);
1.8       misho     690: /*
                    691:  * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
1.16      misho     692:  *
1.8       misho     693:  * @arr = Array
1.11      misho     694:  * @data = Element, if set NULL return only last used position
1.8       misho     695:  * @delAfter = Delete after Pop element, !=0 delete element from array after return data
                    696:  * return: -1 not found used position, array is empty!, >-1 return element position
                    697:  */
                    698: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
                    699: 
                    700: /*
1.17      misho     701:  * io_argsNum() - Parse and calculate number of arguments
1.16      misho     702:  *
1.8       misho     703:  * @csArgs = Input arguments line
                    704:  * @csDelim = Delimiter(s) for separate
                    705:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
                    706:  */
                    707: inline int io_argsNum(const char *csArgs, const char *csDelim);
                    708: 
                    709: /*
1.17      misho     710:  * io_arrayMake() - Parse and make array from arguments ... (input string will be modified!!! 
1.8       misho     711:  *     and output array must be free with io_arrayDestroy() after use!)
1.16      misho     712:  *
1.8       misho     713:  * @psArgs = Input arguments line, after execute string is modified!!!
                    714:  * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
                    715:  * @csDelim = Delimiter(s) for separate
1.18.2.2  misho     716:  * @parr = Output array of arguments ... (must be xfree with io_arrayDestroy() after use!)
1.8       misho     717:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    718:  */
                    719: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim, 
                    720:                array_t ** __restrict parr);
                    721: 
                    722: /*
1.17      misho     723:  * io_MakeAV() - Parse and make attribute/value pair
1.16      misho     724:  *
1.8       misho     725:  * @csArgs = Input argument line
                    726:  * @csDelim = Delimiter for separate
                    727:  * @psAttr = Output Attribute
                    728:  * @attrLen = Size of attribute array
                    729:  * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
                    730:  * @valLen = Size of value array
                    731:  * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
                    732: */
                    733: int io_MakeAV(const char * __restrict csArgs, const char *csDelim, 
                    734:                char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
                    735: 
1.9       misho     736: /*
                    737:  * io_sarrInit() - Create and initialize dynamic split-order array
1.16      misho     738:  *
1.9       misho     739:  * @numItems = Number of Items
                    740:  * @segLen = Length of segment
                    741:  * return: NULL error, != NULL allocated memory for array
                    742:  */
                    743: inline sarr_t *io_sarrInit(int numItems, int segLen);
                    744: /*
                    745:  * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
1.16      misho     746:  *
1.9       misho     747:  * @parr = Array
                    748:  * return: none
                    749:  */
                    750: inline void io_sarrDestroy(sarr_t ** __restrict parr);
                    751: /*
                    752:  * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
1.16      misho     753:  *
1.9       misho     754:  * @arr = Array
                    755:  * @newNumItems = Number of Items
                    756:  * return: -1 error, 0 ok
                    757:  */
                    758: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
                    759: /*
                    760:  * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
1.16      misho     761:  *
1.9       misho     762:  * @arr = Array
                    763:  * return: -1 error, >-1 freed segments
                    764:  */
                    765: inline int io_sarrVacuum(sarr_t * __restrict arr);
1.12      misho     766: #define io_sarrSize(_arr)              ((_arr) ? (_arr)->sarr_num : 0)
                    767: #define io_sarrSeg(_arr)               (assert((_arr)), (_arr)->sarr_seg)
                    768: /*
                    769:  * io_sarrCopy() Copy source split array to destination split array
1.16      misho     770:  *
1.12      misho     771:  * @dest = Destination split array, after use free with io_sarrDestroy()
                    772:  * @src = Source split array
                    773:  * return: -1 error; >0 count of destination split array
                    774:  */
                    775: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
1.9       misho     776: /*
                    777:  * io_sarrGet() - Get element from dynamic split-order array
1.16      misho     778:  *
1.9       misho     779:  * @arr = Array
                    780:  * @idx = Index (warning 1st element is at position 1)
                    781:  * return: NULL not found, !=NULL element
                    782:  */
                    783: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
                    784: /*
                    785:  * io_sarrGet2() - Always get element from dynamic split-order array
                    786:  *     Function automatic grow array. Good use for Hash tables! 
1.16      misho     787:  *
1.9       misho     788:  * @arr = Array
                    789:  * @idx = Index (warning 1st element is at position 1)
                    790:  * return: NULL not found, !=NULL element
                    791:  */
                    792: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
                    793: /*
                    794:  * io_sarrSet() - Set element to dynamic split-order array
1.16      misho     795:  *
1.9       misho     796:  * @arr = Array
                    797:  * @idx = Index (warning 1st element is at position 1)
                    798:  * @data = Value
                    799:  * return: NULL error or empty, !=NULL old value in element
                    800:  */
                    801: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
1.11      misho     802: #define io_sarrDel(_arr, _idx)         io_sarrSet((_arr), _idx, NULL)
                    803: #define io_sarr(_arr, _idx, _type)     (_type)io_sarrGet((_arr), _idx)
                    804: /*
                    805:  * io_sarr2array() - Convert from split-order array to dynamic array
1.16      misho     806:  *
1.11      misho     807:  * @sa = split array
                    808:  * @sarrFree = after convert split array !=0 will be destroyed sarray
                    809:  * return: NULL error or != NULL new array
                    810:  */
                    811: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
                    812: /*
                    813:  * io_array2sarr() - Convert from dynamic array to split-order array
1.16      misho     814:  *
1.11      misho     815:  * @a = array
                    816:  * @segLen = Length of segment
                    817:  * @arrFree = after convert array !=0 will be destroyed
                    818:  * return: NULL error or != NULL new sarr
                    819:  */
                    820: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
1.8       misho     821: 
                    822: /*
1.17      misho     823:  * io_CopyEnv() - Copy environment to new environment array;
1.16      misho     824:  *
1.10      misho     825:  * @oldenv = Environment array
1.18.2.2  misho     826:  * return: NULL error; !=NULL Allocated new environment array(must be xfree)
1.10      misho     827: */
                    828: char **io_CopyEnv(const char **oldenv);
                    829: /*
1.17      misho     830:  * io_ExecArgs() - Build exec arguments from other array
1.16      misho     831:  *
1.10      misho     832:  * @psProg = Program name for execute
                    833:  * @oldarg = Arguments array
1.18.2.2  misho     834:  * return: NULL error; !=NULL Allocated execution array(must be xfree)
1.10      misho     835: */
                    836: char **io_ExecArgs(const char *psProg, const char **oldarg);
                    837: /*
1.17      misho     838:  * io_FreeNullTerm() - Free dynamic allocated null terminated array with strings
1.16      misho     839:  *
1.10      misho     840:  * @arr = Pointer to array for free
                    841:  * return: none
                    842: */
                    843: inline void io_FreeNullTerm(char *** __restrict arr);
                    844: 
                    845: /*
1.17      misho     846:  * ioMkDir() - Function for racursive directory creation and validation
1.16      misho     847:  *
1.5       misho     848:  * @csDir = Full directory path
                    849:  * @mode = Mode for directory creation if missing dir
                    850:  * return: -1 error, 0 directory path exist, >0 created missing dirs
                    851: */
                    852: int ioMkDir(const char *csDir, int mode);
                    853: 
1.6       misho     854: /*
1.17      misho     855:  * ioWatchDirLoop() - Function for watching changes in directory and fire callback
1.16      misho     856:  *
1.6       misho     857:  * @csDir = Full directory path
                    858:  * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
                    859:  * return: -1 error, !=-1 ok, number of total signaled events
                    860: */
                    861: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
                    862: 
1.5       misho     863: 
                    864: /*
1.17      misho     865:  * io_rread() - Raw VFS read function
1.16      misho     866:  *
1.5       misho     867:  * @fd = File handle
                    868:  * @buf = Read buffer
                    869:  * @nbytes = Read buffer size
                    870:  * @offset = Read from position, if -1 read nbytes from current position
                    871:  * @update = Update file handle position !0
                    872:  * return: -1 error or !=-1 readed bytes
                    873:  */
                    874: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    875: /*
1.17      misho     876:  * io_rwrite() - Raw VFS write function
1.16      misho     877:  *
1.5       misho     878:  * @fd = File handle
                    879:  * @buf = Write buffer
                    880:  * @nbytes = Write bytes from buffer
                    881:  * @offset = Write at position, if -1 write nbytes from current position
                    882:  * @update = Update file handle position !0
                    883:  * return: -1 error or !=-1 writed bytes
                    884:  */
                    885: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
                    886: 
                    887: /* Disk I/O helper macros */
                    888: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
                    889: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
                    890: 
                    891: 
                    892: /* Debug helper macros */
                    893: extern int io_Debug;
                    894: 
1.14      misho     895: #define io_enableDEBUG         int io_Debug
                    896: #define io_initDebug(x)                (io_Debug = (x))
                    897: #define io_incDebug            (io_Debug++)
                    898: #define io_decDebug            (io_Debug--)
                    899: 
                    900: /* Debug macros */
                    901: #define ioVERBOSE(x)           if ((x) <= io_Debug)
                    902: #define ioTRACE(x)             if ((x) <= io_Debug) \
                    903:                                           syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
1.5       misho     904: #define ioDEBUG(x, fmt, ...)   do { \
                    905:                                        assert((fmt)); \
                    906:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     907:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.5       misho     908:                                        if ((x) <= io_Debug) \
1.14      misho     909:                                                syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1.5       misho     910:                                                                (x), __func__, __LINE__, str); \
                    911:                                } while (0)
                    912: 
1.14      misho     913: /* Logger macro */
                    914: #define ioLOGGER(x, fmt, ...)  do { \
                    915:                                        assert((fmt)); \
                    916:                                        char str[STRSIZ] = { 0 }; \
                    917:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
                    918:                                        syslog((x), "Logger:%s(%d): %s\n", \
                    919:                                                                __func__, __LINE__, str); \
                    920:                                } while (0)
                    921: 
                    922: /* Error state macros */
1.5       misho     923: #define ioERROR(x, fmt, ...)   do { \
                    924:                                        assert((fmt)); \
                    925:                                        char str[STRSIZ] = { 0 }; \
1.11      misho     926:                                        snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1.14      misho     927:                                        syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1.5       misho     928:                                                         __func__, __LINE__, (x), str); \
                    929:                                } while (0)
1.14      misho     930: #define ioSYSERR(x)            do { \
1.5       misho     931:                                        if (x > 0 || errno) \
1.14      misho     932:                                                syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
1.5       misho     933:                                                                __func__, __LINE__, x > 0 ? x : errno, \
                    934:                                                                strerror(x > 0 ? x : errno)); \
                    935:                                } while (0)
1.14      misho     936: #define ioLIBERR(ait)          do { \
1.5       misho     937:                                        if (ait##_GetErrno()) \
1.14      misho     938:                                                syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
1.5       misho     939:                                                                __func__, __LINE__, ait##_GetErrno(), \
                    940:                                                                ait##_GetError()); \
                    941:                                } while (0)
1.3       misho     942: 
1.1       misho     943: 
1.7       misho     944: /* Crypto framework */
                    945: 
                    946: /*
1.17      misho     947:  * ioCipher() - Cipher wrapper for all supported crypto algorythms
1.16      misho     948:  *
1.7       misho     949:  * @pInput = input buffer
                    950:  * @inLen = input buffer len
1.18.2.2  misho     951:  * @ppOutput = output allocated buffe, must be xfree after use
1.7       misho     952:  * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
                    953:  * @pKey = key
                    954:  * @pIV = IV, salt (8 bytes)
                    955:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    956:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    957: */
                    958: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher, 
                    959:                unsigned char *pKey, unsigned char *pIV, int nMode);
                    960: 
                    961: /*
1.17      misho     962:  * io_Blowfish() - Blowfish cipher algorythm, work with ASCII hex strings
1.16      misho     963:  *
1.7       misho     964:  * @pInput = input buffer
                    965:  * @inLen = input buffer len
1.18.2.2  misho     966:  * @ppOutput = output allocated buffe, must be xfree after use
1.7       misho     967:  * @pKey = key
                    968:  * @pIV = IV, salt (8 bytes)
                    969:  * @nMode = Mode 0 - decrypting or 1 - encrypting
                    970:  * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
                    971: */
1.8       misho     972: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput, 
                    973:                unsigned char *pKey, unsigned char *pIV, int nMode);
1.12      misho     974: /*
1.17      misho     975:  * io_ctr_AES() - Encrypt/Decrypt stream cipher CTR_AES
1.16      misho     976:  *
1.12      misho     977:  * @pInput = Input buffer with ASCII
                    978:  * @inLen = Input buffer data length
1.18.2.2  misho     979:  * @ppOutput = Output buffer with cipher data, must be xfree after use
1.12      misho     980:  * @pKey = Key
                    981:  * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!!
                    982:  * return: -1 error or >-1 how many cipher blocks proceeded
                    983:  */
                    984: int io_ctr_AES(unsigned char *pInput, int inLen, unsigned char **ppOutput, 
                    985:                unsigned char *pKey, unsigned char IV[AES_BLOCK_SIZE]);
                    986: 
                    987: 
                    988: /*
1.17      misho     989:  * ioAllocPTY() - Allocate new PTY and TTY
1.16      misho     990:  *
1.12      misho     991:  * @ptyfd = master fd, pty
                    992:  * @ttyfd = slave fd, tty
                    993:  * @name = tty device name if not null
                    994:  * @namesiz = name length, must be above 63 bytes.
                    995:  * @term = termios for terminal
                    996:  * @winz = winsize for terminal
                    997:  * return: -1 error or 0 ok
                    998:  */
                    999: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz, 
                   1000:                struct termios * __restrict term, struct winsize * __restrict winz);
                   1001: /*
1.17      misho    1002:  * ioFreePTY() - Release PTY and TTY device
1.16      misho    1003:  *
1.12      misho    1004:  * @ptyfd = master fd, pty (==-1 skip closing pty)
                   1005:  * @ttyname = tty filename
                   1006:  * return: none
                   1007:  */
                   1008: inline void ioFreePTY(int ptyfd, const char *ttyname);
                   1009: /*
1.17      misho    1010:  * ioChgWinPTY() - Change window size of PTY
1.16      misho    1011:  *
1.12      misho    1012:  * @ptyfd = master fd, pty
                   1013:  * @row = row
                   1014:  * @col = col
                   1015:  * @xpxl = x pixels
                   1016:  * @ypxl = y pixels
                   1017:  * return: -1 error or 0 ok
                   1018:  */
                   1019: inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col, 
                   1020:                unsigned short xpxl, unsigned short ypxl);
                   1021: /*
1.17      misho    1022:  * ioSetOwnerTTY() - Set owner to TTY
1.16      misho    1023:  *
1.12      misho    1024:  * @ttyname = tty filename
                   1025:  * @UID = uid
                   1026:  * @GID = gid
                   1027:  * return: -1 error or 0 ok
                   1028:  */
                   1029: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
                   1030: /*
1.17      misho    1031:  * ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes.
1.16      misho    1032:  *
1.12      misho    1033:  * @ttyfd = slave fd, tty
                   1034:  * @ttyname = tty filename
                   1035:  * return: -1 error or 0 ok
                   1036:  */
                   1037: int ioSetSidTTY(int *ttyfd, const char *ttyname);
                   1038: /*
1.17      misho    1039:  * ioSetRAWMode() - Enter into RAW mode
1.16      misho    1040:  *
1.12      misho    1041:  * @fd = tty fd
                   1042:  * @otio = saved old termios for later restore if !=NULL
                   1043:  * return: -1 error or 0 ok
                   1044:  */
                   1045: inline int ioSetRAWMode(int fd, struct termios *otio);
                   1046: /*
1.17      misho    1047:  * ioRestoreMode() - Restore termios to tty fd
1.16      misho    1048:  *
1.12      misho    1049:  * @fd = tty fd
                   1050:  * @tio = termios structure for restore
                   1051:  * return: -1 error or 0 ok
                   1052:  */
                   1053: inline int ioRestoreMode(int fd, struct termios tio);
                   1054: /*
1.17      misho    1055:  * ioForkPTY() - Fork new process with session leader and new TTY
1.16      misho    1056:  *
1.12      misho    1057:  * @ptyfd = master fd, pty
                   1058:  * @name = tty device name if not null
                   1059:  * @namesiz = name length, must be above 63 bytes.
                   1060:  * @term = termios for terminal
                   1061:  * @winz = winsize for terminal
                   1062:  * @otio = old termios structure for restore
                   1063:  * return: -1 error, 0 child process or >0 parent: pid of child
                   1064:  */
                   1065: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term, 
                   1066:                struct winsize * __restrict winz, struct termios * __restrict otio);
                   1067: 
                   1068: /*
1.17      misho    1069:  * ioCreatePIDFile() - Create PID file
1.16      misho    1070:  *
1.12      misho    1071:  * @csName = PID filename
                   1072:  * @ifExists = !=0 if filename exists return error
                   1073:  * return: -1 error or 0 ok
                   1074:  */
                   1075: inline int ioCreatePIDFile(const char *csName, int ifExists);
1.7       misho    1076: 
1.13      misho    1077: /*
1.17      misho    1078:  * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS
1.16      misho    1079:  *
1.13      misho    1080:  * @s = socket
                   1081:  * @csFile = file for send
                   1082:  * @sendLen = bytes to send, if 0 send all data
                   1083:  * @offset = start file offset
                   1084:  * @sndbuf = SO_SNDBUF value, if 0 use default
                   1085:  * return: 0 error, >0 ok, sended bytes
                   1086:  */
                   1087: size_t ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf);
                   1088: /*
1.17      misho    1089:  * ioRecvFile() - Receive file from socket, fastest (zero-copy) way
1.16      misho    1090:  *
1.13      misho    1091:  * @s = socket
                   1092:  * @csFile = file for receive
                   1093:  * @recvLen = receive bytes
                   1094:  * @over = overwrite file if exists with mode like 0644
                   1095:  * @rcvbuf = SO_RCVBUF value, if 0 use default
                   1096:  * return: 0 error, >0 ok, received bytes
                   1097:  */
                   1098: size_t ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf);
                   1099: 
1.7       misho    1100: 
1.14      misho    1101: /* Buffered file access over memory block */
                   1102: 
                   1103: /*
1.17      misho    1104:  * io_fmemopen() - File buffered stream operations over memory block
1.14      misho    1105:  *
                   1106:  * @base = Base address of memory block, if =NULL Infinit length(auto-grow)
                   1107:  * @basesize = Size of memory block
                   1108:  * return: NULL error or !=NULL Opened file resource
                   1109:  */
                   1110: FILE *io_fmemopen(void ** __restrict base, off_t basesize);
                   1111: /*
1.17      misho    1112:  * io_fmapopen() - File buffered stream operations over MMAP block
1.14      misho    1113:  *
                   1114:  * @csFile = Filename for MMAP, if =NULL private MMAP block
                   1115:  * @mode = File open mode
                   1116:  * @perm = If file not exists will be created with this access permissions
                   1117:  * @prot = MMAP protection
                   1118:  * @flags = MMAP mode flags
                   1119:  * @offset = Map from file offset, if csFile==NULL then this is size of MMAP private block
                   1120:  * return: NULL error or !=NULL Opened file resource
                   1121:  */
                   1122: FILE *io_fmapopen(const char *csFile, int mode, int perm, int prot, int flags, off_t offset);
                   1123: /*
1.17      misho    1124:  * io_fd2buf() - Convert open file handle to buffered file I/O
1.14      misho    1125:  *
                   1126:  * @fd = File handle
                   1127:  * @mode = Permissions for new buffered file I/O
                   1128:  * return: NULL error or open buffered file
                   1129:  */
                   1130: inline FILE *io_fd2buf(int fd, const char *mode);
                   1131: /*
1.17      misho    1132:  * io_dumbFile() - Create empry or dumb file with fixed size
1.14      misho    1133:  *
                   1134:  * @csFile = Filename for create
                   1135:  * @mode = File access permissions
                   1136:  * @size = File size
                   1137:  * return: -1 error or open file handle
                   1138:  */
                   1139: int io_dumbFile(const char *csFile, int mode, off_t size);
                   1140: 
                   1141: 
1.1       misho    1142: #endif

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