1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: aitio.h,v 1.26 2012/09/19 15:19:53 misho Exp $
7: *
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:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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: */
46: #ifndef __AITIO_H
47: #define __AITIO_H
48:
49:
50: #define COMPAT_43TTY
51:
52: #include <assert.h>
53: #include <syslog.h>
54: #include <openssl/evp.h>
55: #include <openssl/aes.h>
56: #include <sys/tty.h>
57: #include <sys/ioctl_compat.h>
58: #include <sys/socket.h>
59: #include <sys/un.h>
60: #include <sys/uio.h>
61: #include <net/if_dl.h>
62: #include <netinet/in.h>
63: #include <atree.h>
64: #include <ampool.h>
65:
66:
67: #ifndef STRSIZ
68: #define STRSIZ 256
69: #endif
70:
71: #ifndef be16toh
72: #define be16toh betoh16
73: #endif
74: #ifndef be32toh
75: #define be32toh betoh32
76: #endif
77: #ifndef be64toh
78: #define be64toh betoh64
79: #endif
80: #ifndef le16toh
81: #define le16toh letoh16
82: #endif
83: #ifndef le32toh
84: #define le32toh letoh32
85: #endif
86: #ifndef le64toh
87: #define le64toh letoh64
88: #endif
89:
90: #define IO_SYSM 0
91: #define IO_MPOOL 1
92:
93: #define VACUUM_LEFT 1
94: #define VACUUM_BETWEEN 2
95:
96: /* AIT arrays */
97:
98: typedef void ** sarr_seg_t;
99: typedef struct _tagSplitArray {
100: int sarr_num;
101: int sarr_seg;
102: int sarr_siz;
103: sarr_seg_t *sarr_data;
104: } sarr_t;
105:
106: typedef struct _tagArray {
107: int arr_last;
108: int arr_num;
109: void **arr_data;
110: } array_t;
111:
112: /* AIT RPC variables and managment */
113:
114: typedef enum {
115: empty, ptr, data, /* empty -> variable is not set; ptr -> void*; data -> data after struct */
116: buffer, string, blob, /* buffer -> uint8_t*; string -> int8_t*; blob -> uint32_t blobID(+socket); */
117: f32, f64, /* float -> f32; double -> f64 */
118: u8, u16, u32, u64, /* unsigned integers ... */
119: i8, i16, i32, i64, /* integers ... */
120: } ait_type_t;
121:
122: typedef struct {
123: uint8_t val_type;
124: union {
125: struct {
126: uint8_t val_in:1;
127: uint8_t val_be:1;
128: uint8_t val_le:1;
129: uint8_t val_pad:5;
130: };
131: uint8_t val_opt;
132: };
133: uint16_t val_key;
134: uint32_t val_len;
135: union {
136: uint64_t net;
137:
138: void *ptr;
139: uint8_t *buffer;
140: int8_t *string;
141: uint32_t blob;
142: float f32;
143: double f64;
144: uint8_t u8;
145: uint16_t u16;
146: uint32_t u32;
147: uint64_t u64;
148: int8_t i8;
149: int16_t i16;
150: int32_t i32;
151: int64_t i64;
152: } val;
153: uint8_t val_data[0];
154: } __packed ait_val_t; /* sizeof 16 bytes */
155:
156: #define AIT_TYPE(_vl) ((ait_type_t) (_vl)->val_type)
157: #define AIT_LEN(_vl) (_vl)->val_len
158: #define AIT_KEY(_vl) (_vl)->val_key
159: #define AIT_RAW(_vl) (_vl)->val.net
160: #define AIT_ADDR(_vl) (_vl)->val.ptr
161: #define AIT_IN(_vl) (_vl)->val_in
162: #define AIT_BE(_vl) (_vl)->val_be
163: #define AIT_LE(_vl) (_vl)->val_le
164: #define AIT_BLOB_CHUNKS(_vl, _n) (AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
165: #define AIT_ISEMPTY(_vl) (AIT_TYPE((_vl)) == empty)
166:
167: #define AIT_GET_LIKE(_vl, _type) ((_type) AIT_ADDR((_vl)))
168:
169: #define AIT_GET_PTR(_vl) (assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
170: #define AIT_GET_DATA(_vl) (assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
171: #define AIT_GET_BUF(_vl) (assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
172: #define AIT_GET_STR(_vl) (assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
173: #define AIT_GET_STRZ(_vl) (assert(AIT_TYPE((_vl)) == string), (_vl)->val.string ? \
174: (char*) (_vl)->val.string : "")
175: #define AIT_GET_BLOB(_vl) (assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
176: #define AIT_GET_U8(_vl) (assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
177: #define AIT_GET_U16(_vl) (assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
178: #define AIT_GET_U32(_vl) (assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
179: #define AIT_GET_U64(_vl) (assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
180: #define AIT_GET_I8(_vl) (assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
181: #define AIT_GET_I16(_vl) (assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
182: #define AIT_GET_I32(_vl) (assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
183: #define AIT_GET_I64(_vl) (assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
184: #define AIT_GET_F32(_vl) (assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
185: #define AIT_GET_F64(_vl) (assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
186:
187: #define AIT_SET_DATA(_vl, _p, _len) do { ait_val_t *__val = io_realloc((_vl), (sizeof(ait_val_t) + _len)); \
188: if (__val) { \
189: void *__p = (_p); \
190: if (__p) \
191: memcpy(__val->val_data, __p, _len); \
192: __val->val_type = data; AIT_LEN(__val) = _len; \
193: (_vl) = __val; \
194: } \
195: } while (0);
196: #define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); assert(__val); \
197: __val->val_type = ptr; __val->val.ptr = _p; \
198: AIT_LEN(__val) = _len; } while (0)
199: #define AIT_RE_BUF(_vl, _len) do { ait_val_t *__val = (_vl); assert(__val); \
200: void *__ptr = io_realloc(AIT_GET_BUF(__val), _len); \
201: if (__ptr) { \
202: __val->val.buffer = __ptr; AIT_LEN(__val) = _len; \
203: } } while (0)
204: #define AIT_SET_BUF2(_vl, _c, _len) do { ait_val_t *__val = (_vl); assert(__val); \
205: __val->val.buffer = io_malloc(_len); \
206: if (__val->val.buffer) { \
207: __val->val_type = buffer; AIT_LEN(__val) = _len; \
208: memset(__val->val.buffer, _c, _len); \
209: } } while (0)
210: #define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); void *__p = (_v); assert(__val); \
211: __val->val.buffer = io_malloc(_len); \
212: if (__val->val.buffer) { \
213: __val->val_type = buffer; AIT_LEN(__val) = _len; \
214: if (__p) \
215: memcpy(__val->val.buffer, __p, _len); \
216: else \
217: memset(__val->val.buffer, 0, _len); \
218: } } while (0)
219: #define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); assert(__val); \
220: __val->val_type = string; \
221: if (__s) { \
222: __val->val.string = (int8_t*) io_strdup(__s); \
223: AIT_LEN(__val) = strlen((const char*) \
224: __val->val.string) + 1; \
225: } else { \
226: __val->val.string = NULL; \
227: AIT_LEN(__val) = 0; \
228: } \
229: } while (0)
230: #define AIT_SET_STRSIZ(_vl, _len) do { ait_val_t *__val = (_vl); assert(__val); \
231: __val->val.string = (int8_t*) io_malloc(_len); \
232: if (__val->val.string) { \
233: __val->val_type = string; AIT_LEN(__val) = _len; \
234: memset(__val->val.string, 0, _len); \
235: } \
236: } while (0)
237: #define AIT_SET_STRCAT(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
238: assert(__val); assert(AIT_TYPE(__val) == string); \
239: if (!__s || !*__s) \
240: break; \
241: else \
242: __l = strlen(__s); \
243: if (!__val->val.string) \
244: __l++; \
245: void *__p = io_realloc(__val->val.string, AIT_LEN(__val) + __l); \
246: if (__p) { \
247: AIT_LEN(__val) += __l; \
248: if (!__val->val.string) \
249: memset(__p, 0, AIT_LEN(__val)); \
250: __val->val.string = __p; \
251: strlcat((char*) __val->val.string, __s, \
252: AIT_LEN(__val)); \
253: } \
254: } while (0)
255: #define AIT_SET_STRCPY(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
256: assert(__val); assert(AIT_TYPE(__val) == string); \
257: if (!__s || !*__s) \
258: break; \
259: else \
260: __l = strlen(__s) + 1; \
261: void *__p = io_realloc(__val->val.string, __l); \
262: if (__p) { \
263: AIT_LEN(__val) = __l; \
264: __val->val.string = __p; \
265: strlcpy((char*) __val->val.string, __s, \
266: AIT_LEN(__val)); \
267: } } while (0)
268: #define AIT_SET_STRLCPY(_vl, _v, _len) do { ait_val_t *__val = (_vl); const char *__s = (_v); \
269: assert(__val); assert(AIT_TYPE(__val) == string); \
270: if (!__s || !*__s) \
271: break; \
272: void *__p = io_realloc(__val->val.string, _len); \
273: if (__p) { \
274: AIT_LEN(__val) = _len; \
275: __val->val.string = __p; \
276: strlcpy((char*) __val->val.string, __s, \
277: AIT_LEN(__val)); \
278: } } while (0)
279: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); assert(__val); \
280: __val->val_type = blob; __val->val.blob = _n; \
281: AIT_LEN(__val) = _len; } while (0)
282: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
283: __val->val_type = blob; AIT_LEN(__val) = \
284: (_bv)->blob_len; \
285: __val->val.blob = (_bv)->blob_var; } while (0)
286: #define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len)
287:
288: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
289: __val->val_type = u8; __val->val.u8 = _n; \
290: AIT_LEN(__val) = sizeof(uint8_t); } while (0)
291: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
292: __val->val_type = u16; __val->val.u16 = _n; \
293: AIT_LEN(__val) = sizeof(uint16_t); } while (0)
294: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
295: __val->val_type = u32; __val->val.u32 = _n; \
296: AIT_LEN(__val) = sizeof(uint32_t); } while (0)
297: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
298: __val->val_type = u64; __val->val.u64 = _n; \
299: AIT_LEN(__val) = sizeof(uint64_t); } while (0)
300: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
301: __val->val_type = i8; __val->val.i8 = _n; \
302: AIT_LEN(__val) = sizeof(int8_t); } while (0)
303: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
304: __val->val_type = i16; __val->val.i16 = _n; \
305: AIT_LEN(__val) = sizeof(int16_t); } while (0)
306: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
307: __val->val_type = i32; __val->val.i32 = _n; \
308: AIT_LEN(__val) = sizeof(int32_t); } while (0)
309: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
310: __val->val_type = i64; __val->val.i64 = _n; \
311: AIT_LEN(__val) = sizeof(int64_t); } while (0)
312: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
313: __val->val_type = f32; __val->val.f32 = _n; \
314: AIT_LEN(__val) = sizeof(float); } while (0)
315: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
316: __val->val_type = f64; __val->val.f64 = _n; \
317: AIT_LEN(__val) = sizeof(double); } while (0)
318:
319: #define AIT_COPY_VAL(_vl, _v) do { assert((_vl)); assert((_v)); \
320: memcpy((_vl), (_v), sizeof(ait_val_t)); \
321: switch (AIT_TYPE((_vl))) { \
322: case buffer: \
323: AIT_SET_BUF((_vl), \
324: AIT_GET_BUF((_v)), \
325: AIT_LEN((_v))); \
326: break; \
327: case string: \
328: AIT_SET_STR((_vl), \
329: AIT_GET_STR((_v))); \
330: break; \
331: default: \
332: break; \
333: } \
334: } while (0)
335: #define AIT_COPY_DATA(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \
336: if (AIT_TYPE((_vl)) == data) \
337: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
338: AIT_LEN((_v))); \
339: } while (0)
340:
341: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t)))
342: #define AIT_INIT_VAL2(_vl, _t) do { \
343: AIT_INIT_VAL((_vl)); \
344: (_vl)->val_type = _t; \
345: } while (0)
346: #define AIT_SET_LIKE(_vl, _t, _l, _v) (assert((_vl)), io_setlikeVar((_vl), _t, _l, _v))
347: /* if attribute zeroCopy is set not execute io_free() */
348: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
349: switch (AIT_TYPE(__val)) { \
350: case buffer: \
351: if (!__val->val_in && \
352: __val->val.buffer) \
353: io_free(__val->val.buffer); \
354: __val->val.buffer = NULL; \
355: break; \
356: case string: \
357: if (!__val->val_in && \
358: __val->val.string) \
359: io_free(__val->val.string); \
360: __val->val.string = NULL; \
361: break; \
362: default: \
363: break; \
364: } \
365: __val->val_type = empty; \
366: __val->val_opt ^= __val->val_opt; \
367: AIT_LEN(__val) = 0; \
368: AIT_KEY(__val) = 0; \
369: } while (0)
370: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
371: switch (AIT_TYPE(__val)) { \
372: case buffer: \
373: case string: \
374: if (__val->val.buffer) \
375: memset(__val->val.buffer, 0, \
376: AIT_LEN(__val)); \
377: break; \
378: case data: \
379: memset(__val->val_data, 0, AIT_LEN(__val)); \
380: break; \
381: default: \
382: __val->val.net = 0LL; \
383: break; \
384: } \
385: AIT_KEY(__val) = 0; \
386: } while (0)
387:
388: struct io_ether_addr {
389: u_int8_t ether_addr_octet[6];
390: };
391: typedef struct io_ether_addr io_ether_addr_t;
392:
393: typedef union {
394: struct sockaddr_storage ss;
395: struct sockaddr sa;
396: struct sockaddr_un sun;
397: struct sockaddr_in sin;
398: struct sockaddr_in6 sin6;
399: struct sockaddr_dl sdl;
400: } io_sockaddr_t;
401: #define IO_SOCKADDR_INIT { .ss = { 0 } }
402:
403:
404: #define io_align(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
405:
406:
407: // io_GetErrno() Get error code of last operation
408: inline int io_GetErrno();
409: // io_GetError() Get error text of last operation
410: inline const char *io_GetError();
411:
412:
413: // io_mm_inuse() Check for memory management model
414: inline int io_mm_inuse();
415:
416: /*
417: * ioLibInit() - Init libaitio library memory management
418: *
419: * @mm = memory management (IO_SYSM or IO_MPOOL)
420: * @maxmem = memory limit
421: * return: -1 error or !=-1 used memory management model
422: */
423: inline int ioLibInit(int mm, unsigned long maxmem);
424: /*
425: * ioLibFini() - Finish libaitio library memory management
426: *
427: * return: none
428: */
429: inline void ioLibFini();
430:
431: /* memory management hooks */
432: extern void *(*io_malloc)(size_t);
433: extern void *(*io_calloc)(size_t, size_t);
434: extern void *(*io_realloc)(void*, size_t);
435: extern char *(*io_strdup)(const char*);
436: extern void (*io_free)(void*);
437:
438:
439: /*
440: * io_usleep() - usleep() replacement for ELWIX
441: *
442: * @usec = microseconds for sleep
443: * return: -1 interrupted by signal or 0 ok
444: */
445: inline int io_usleep(unsigned int usec);
446: /*
447: * io_ether_ntoa() - Convert ethernet address to string
448: *
449: * @n = ethernet address structure, like struct ether_addr
450: * @a = string
451: * @len = string length
452: * return: NULL error or !=NULL string a
453: */
454: inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
455: /*
456: * io_ether_aton() - Convert string to ethernet address
457: *
458: * @a = string
459: * @e = ethernet address structure, like struct ether_addr
460: * return: NULL error or !=NULL ethernet address structure
461: */
462: inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e);
463: /*
464: * io_n2port() - Extract port from network structure
465: *
466: * @addr = Address
467: * return: 0 not supported family type or port number
468: */
469: inline u_short io_n2port(io_sockaddr_t * __restrict addr);
470: /*
471: * io_n2addr() - Extract address from network structure
472: *
473: * @addr = Address
474: * @val = Value for store string address
475: * return: NULL error or !=NULL string address from val
476: */
477: const char *io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val);
478: /*
479: * io_gethostbyname() - Get host and port and make network structure
480: *
481: * @psHost = Hostname
482: * @port = Port
483: * @addr = Network address structure
484: * return: NULL error or !=NULL network structure
485: */
486: io_sockaddr_t *io_gethostbyname(const char *psHost, unsigned short port,
487: io_sockaddr_t * __restrict addr);
488:
489: /*
490: * io_vars2buffer() - Marshaling data from array with variables to buffer
491: *
492: * @buf = Buffer
493: * @buflen = Size of buffer
494: * @vars = Variable array
495: * return: -1 error, 0 nothing done or >0 size of marshaled data
496: */
497: inline int io_vars2buffer(unsigned char * __restrict buf, int buflen,
498: array_t * __restrict vars);
499: /*
500: * io_buffer2vars() - De-marshaling data from buffer to array with variables
501: *
502: * @buf = Buffer
503: * @buflen = Size of buffer
504: * @vnum = Number of variables into buffer
505: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
506: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
507: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
508: */
509: inline array_t *io_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
510: /*
511: * io_vars2map() - Marshaling data from array with variables to memory map
512: *
513: * @buf = Buffer
514: * @buflen = Size of buffer
515: * @vars = Variable array
516: * return: -1 error, 0 nothing done or >0 size of marshaled data
517: */
518: inline int io_vars2map(unsigned char * __restrict buf, int buflen,
519: array_t * __restrict vars);
520: /*
521: * io_map2vars() - De-marshaling data from memory map to array with variables
522: *
523: * @buf = Buffer
524: * @buflen = Size of buffer
525: * @vnum = Number of variables into buffer
526: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
527: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
528: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
529: */
530: inline array_t *io_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
531:
532: /*
533: * io_allocVar() - Allocate memory for variable
534: *
535: * return: NULL error or new variable, after use free variable with io_freeVar()
536: */
537: inline ait_val_t *io_allocVar(void);
538: /*
539: * io_freeVar() - Free allocated memory for variable
540: *
541: * @val = Variable
542: * return: none
543: */
544: inline void io_freeVar(ait_val_t ** __restrict val);
545: /*
546: * io_makeVar() - Allocate memory and fill variable
547: *
548: * @type = type of variable
549: * @... = arg1 is value of variable
550: * @... = arg2 is length of variabla. Not required for numbers and strings!
551: * return: NULL error or new variable, after use free variable with io_freeVar()
552: */
553: ait_val_t *io_makeVar(ait_type_t type, ...);
554: /*
555: * io_setlikeVar() - Set variable like ...
556: *
557: * @v = variable
558: * @t = type of data
559: * @l = length of data
560: * @... = data
561: * return: -1 error or 0 ok
562: */
563: inline int io_setlikeVar(ait_val_t * __restrict v, ait_type_t t, u_int l, ...);
564: /*
565: * io_sprintfVar() - Builtin string variable from formatted input
566: *
567: * @v = variable
568: * @fmt = format string
569: * @... = argument(s)
570: * return: -1 error or >0 copied bytes to variable
571: */
572: int io_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...);
573: /*
574: * io_cmpVar() - Compare two variables
575: *
576: * @a = 1st variable
577: * @b = 2nd variable
578: * return: 0 is equal or !=0 is different
579: */
580: inline int io_cmpVar(ait_val_t * __restrict a, ait_val_t * __restrict b);
581: /*
582: * io_hashVar() - Generate hash key for variable from string or value
583: *
584: * @v = variable
585: * @key = key string for hash, if =NULL hash will built from variable
586: * return: hash key
587: */
588: unsigned short io_hashVar(ait_val_t * __restrict v, const char * __restrict key);
589: /*
590: * io_allocVars() - Allocate ait_val_t array
591: *
592: * @varnum = Number of variables
593: * return: =NULL error or !=NULL allocated array
594: */
595: inline array_t *io_allocVars(int varnum);
596: /*
597: * io_clrVars() - Clear ait_val_t elements from array
598: *
599: * @vars = Variable array
600: * return: -1 error or size of array
601: */
602: inline int io_clrVars(array_t * __restrict vars);
603: /*
604: * io_freeVars() - Free ait_val_t array
605: *
606: * @vars = Variable array
607: * return: none
608: */
609: inline void io_freeVars(array_t ** __restrict vars);
610: /*
611: * io_getVars() - Get ait_val_t element from array and if not exists allocate it
612: *
613: * @vars = Variable array
614: * @n = index of variable into array
615: * return: NULL error or !=NULL ait_val_t element
616: */
617: inline ait_val_t *io_getVars(array_t ** __restrict vars, int n);
618: /*
619: * io_sortVarsByKey() - Sorting array with variables by key
620: *
621: * @vars = Variable array
622: * @order = Sort order. If =0 ascend or !=0 descend
623: * return: none
624: */
625: inline void io_sortVarsByKey(array_t * __restrict vars, int order);
626: /*
627: * io_sortVarsByVal() - Sorting array with variables by value
628: *
629: * @vars = Variable array
630: * @order = Sort order. If =0 ascend or !=0 descend
631: * @cmp = Custom compare function for sorting. If =NULL compare by value
632: * return: none
633: */
634: inline void io_sortVarsByVal(array_t * __restrict vars, int order,
635: int (*cmp)(const void*, const void*));
636: /*
637: * io_findKeyVars() - Find variable by key from array
638: *
639: * @vars = Variables
640: * @key = Search key
641: * return: NULL error or not found, !=NULL valid element
642: */
643: ait_val_t *io_findKeyVars(array_t * __restrict vars, u_short key);
644: /*
645: * io_findKeyHash() - Find variable by hash string from array
646: *
647: * @vars = Variables
648: * @key = Search string
649: * return: NULL error or not found, !=NULL valid element
650: */
651: inline ait_val_t *io_findKeyHash(array_t * __restrict vars, const char * __restrict key);
652: /*
653: * io_hashKeyVars() - Generate hash keys for variables
654: *
655: * @vars = Variables
656: * return -1 error or 0 ok
657: */
658: inline int io_hashKeyVars(array_t * __restrict vars);
659:
660:
661: /*
662: * ioPromptRead() - Read data from input h[0] with prompt to output h[1]
663: *
664: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
665: * @csPrompt = Prompt before input, may be NULL
666: * @psData = Readed data
667: * @dataLen = Length of data
668: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
669: */
670: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
671: /*
672: * ioPromptPassword() - Read password from input h[0] with prompt to output h[1]
673: *
674: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
675: * @csPrompt = Prompt before input, may be NULL
676: * @psPass = Readed password
677: * @passLen = Length of password
678: * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
679: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
680: */
681: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
682:
683: /*
684: * ioRegexVerify() - Function for verify data match in regex expression
685: *
686: * @csRegex = Regulare expression pattern
687: * @csData = Data for check and verify
688: * @startPos = Return start positions
689: * @endPos = Return end positions
690: * return: NULL not match or error; !=NULL begin of matched data
691: */
692: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
693: /*
694: * ioRegexGet() - Function for get data match in regex expression
695: *
696: * @csRegex = Regulare expression pattern
697: * @csData = Data from get
698: * @psString = Returned string if match
699: * @strLen = Length of string
700: * return: 0 not match; >0 count of returned chars
701: */
702: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
703: /*
704: * ioRegexReplace() - Function for replace data match in regex expression with newdata
705: *
706: * @csRegex = Regulare expression pattern
707: * @csData = Source data
708: * @csNew = Data for replace
709: * return: NULL not match or error; !=NULL allocated new string, must be io_free after use!
710: */
711: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
712:
713: /*
714: * ioStrAst() - Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
715: *
716: * @csString = Input string
717: * return: NULL error, !=NULL Allocated new string evaluated from input string, must be io_free()
718: */
719: char *ioStrAst(const char *csString);
720:
721: /*
722: * io_UnquotStr() - Remove quots from input text string
723: *
724: * @psLine = Text string
725: * return: 0 nothing to do; 1 successful unquoted string
726: */
727: inline int io_UnquotStr(char * __restrict psLine);
728: /*
729: * io_LTrimStr() - Remove left whitespaces from text string
730: *
731: * @psLine = Text string
732: * return: 0 nothing to do; !=0 Removed bytes
733: */
734: inline int io_LTrimStr(char * __restrict psLine);
735: /*
736: * io_RTrimStr() - Remove right whitespaces from text string
737: *
738: * @psLine = Text string
739: * return: 0 nothing to do; !=0 Removed bytes
740: */
741: inline int io_RTrimStr(char * __restrict psLine);
742: /*
743: * io_TrimStr() - Remove left and right whitespaces from text string
744: *
745: * @psLine = Text string
746: * return: 0 nothing to do; !=0 Removed bytes
747: */
748: inline int io_TrimStr(char * __restrict psLine);
749: /*
750: * io_Ch2Hex() - Convert from Char string to Hex string
751: *
752: * @psLine = Text string
753: * @lineLen = Length of Text string
754: * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be io_free)
755: */
756: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
757: /*
758: * io_Hex2Ch() - Convert from Hex string to Char string
759: *
760: * @psLine = Text string
761: * @lineLen = Length of Text string
762: * return: NULL nothing to do or error; !=0 Allocated new converted string(must be io_free)
763: */
764: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
765:
766: /*
767: * io_Path2File() - Parse and make path/filename pair
768: *
769: * @csArgs = Input argument line
770: * @psPath = Output Path, if ==NULL path not returned
771: * @pathLen = Size of path array
772: * @psFile = Output File
773: * @fileLen = Size of file array
774: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
775: */
776: inline int
777: io_Path2File(const char * __restrict csArgs, char * __restrict psPath,
778: int pathLen, char * __restrict psFile, int fileLen);
779:
780: /*
781: * io_arrayInit() - Create and initialize dynamic array
782: *
783: * @numItems = Number of Items
784: * return: NULL error, != NULL allocated memory for array
785: */
786: inline array_t *io_arrayInit(int numItems);
787: /*
788: * io_arrayDestroy() - Free and destroy dynamic array
789: *
790: * @parr = Array
791: * return: none
792: */
793: inline void io_arrayDestroy(array_t ** __restrict parr);
794: /*
795: * io_arrayFree() - Free all data in dynamic array items
796: * (WARNING! If assign static array dont use this!!!)
797: *
798: * @arr = Array
799: * return: none
800: */
801: inline void io_arrayFree(array_t * __restrict arr);
802: /*
803: * io_arrayFrom() - Create and fill array from array with pointers
804: *
805: * @pargv = Array with pointers
806: * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
807: * return: NULL error, != NULL allocated new array
808: */
809: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
810: /*
811: * io_arrayTo() - Create and fill array with pointers from dynamic array
812: *
813: * @arr = Array
814: * return: NULL error, != NULL allocated memory for array, NULL terminated
815: */
816: inline char **io_arrayTo(array_t * __restrict arr);
817: /*
818: * io_arrayLen() - Get last used element in dynamic array (array Length)
819: *
820: * @arr = Array
821: * return: -1 empty or >-1 position of last used element
822: */
823: inline int io_arrayLen(array_t * __restrict arr);
824: /*
825: * io_arrayConcat() Concat source array to destination array
826: *
827: * @dest = Destination array
828: * @src = Source array
829: * return: -1 error; >0 new count of destination array
830: */
831: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
832: /*
833: * io_arrayCopy() Copy source array to destination array
834: *
835: * @dest = Destination array, after use free with io_arrayDestroy()
836: * @src = Source array
837: * return: -1 error; >0 count of destination array
838: */
839: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
840: /*
841: * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
842: *
843: * @arr = Array
844: * @newNumItems = Number of Items
845: * @freeShrink = Free elements before shrink array
846: * return: -1 error, 0 ok
847: */
848: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
849: /*
850: * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
851: *
852: * @arr = Array
853: * @fromWhere = 1 begin, 2 ALL empty elements
854: * return: -1 error, 0 ok
855: */
856: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
857:
858: #define io_arraySize(_arr) ((_arr) ? (_arr)->arr_num : 0)
859: #define io_arrayLast(_arr) (io_arraySize((_arr)) ? (_arr)->arr_last : -1)
860: #define io_arrayZero(_arr) (assert((_arr)), memset((_arr)->arr_data, 0, \
861: io_arraySize((_arr)) * sizeof(void*)))
862:
863: #define io_arrayGet2(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), ((_arr)->arr_data + _d))
864: #define io_arrayGet(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), (_arr)->arr_data[_d])
865: #define io_array(_arr, _d, _type) (assert((_arr) && (_arr)->arr_num > _d), \
866: ((_type) (_arr)->arr_data[_d]))
867: #define io_arraySet(_arr, _d, _ptr) do { \
868: assert((_arr) && (_arr)->arr_num > _d); \
869: if ((_arr)->arr_last < _d) \
870: (_arr)->arr_last = _d; \
871: (_arr)->arr_data[_d] = (void*) (_ptr); \
872: } while (0)
873: #define io_arrayDel(_arr, _d, _fri) do { \
874: assert((_arr) && (_arr)->arr_num > _d); \
875: if (_fri && (_arr)->arr_data[_d]) \
876: free((_arr)->arr_data[_d]); \
877: (_arr)->arr_data[_d] = NULL; \
878: } while (0)
879:
880: /*
881: * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array
882: *
883: * @arr = Array
884: * @n = Position
885: * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
886: * return: -1 error or !=-1 return element at position
887: */
888: inline void *io_arrayElem(array_t * __restrict arr, int n, void *data);
889: /*
890: * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
891: *
892: * @arr = Array
893: * @data = Element, if set NULL return only first empty position
894: * @mayGrow = Array may to grow, if not enough room for new element
895: * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
896: */
897: inline int io_arrayPush(array_t * __restrict arr, void **data, int mayGrow);
898: /*
899: * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
900: *
901: * @arr = Array
902: * @data = Element, if set NULL return only last used position
903: * @delAfter = Delete after Pop element, !=0 delete element from array after return data
904: * return: -1 not found used position, array is empty!, >-1 return element position
905: */
906: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
907:
908: /*
909: * io_argsNum() - Parse and calculate number of arguments
910: *
911: * @csArgs = Input arguments line
912: * @csDelim = Delimiter(s) for separate
913: * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
914: */
915: inline int io_argsNum(const char *csArgs, const char *csDelim);
916:
917: /*
918: * io_arrayMake() - Parse and make array from arguments ... (input string will be modified!!!
919: * and output array must be free with io_arrayDestroy() after use!)
920: *
921: * @psArgs = Input arguments line, after execute string is modified!!!
922: * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
923: * @csDelim = Delimiter(s) for separate
924: * @parr = Output array of arguments ... (must be io_free with io_arrayDestroy() after use!)
925: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
926: */
927: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim,
928: array_t ** __restrict parr);
929:
930: /*
931: * io_MakeAV() - Parse and make attribute/value pair
932: *
933: * @csArgs = Input argument line
934: * @csDelim = Delimiter for separate
935: * @psAttr = Output Attribute
936: * @attrLen = Size of attribute array
937: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
938: * @valLen = Size of value array
939: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
940: */
941: int io_MakeAV(const char * __restrict csArgs, const char *csDelim,
942: char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
943: /*
944: * io_MakeAV2() Parse and make attribute/value pair over input string
945: *
946: * @csArgs = Input argument line, will be modified!
947: * @csDelim = Delimiter for separate
948: * @psAttr = Output Attribute
949: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
950: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
951: */
952: int io_MakeAV2(char * __restrict psArgs, const char *csDelim,
953: char ** __restrict psAttr, char ** __restrict psValue);
954:
955: /*
956: * io_sarrInit() - Create and initialize dynamic split-order array
957: *
958: * @numItems = Number of Items
959: * @segLen = Length of segment
960: * return: NULL error, != NULL allocated memory for array
961: */
962: inline sarr_t *io_sarrInit(int numItems, int segLen);
963: /*
964: * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
965: *
966: * @parr = Array
967: * return: none
968: */
969: inline void io_sarrDestroy(sarr_t ** __restrict parr);
970: /*
971: * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
972: *
973: * @arr = Array
974: * @newNumItems = Number of Items
975: * return: -1 error, 0 ok
976: */
977: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
978: /*
979: * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
980: *
981: * @arr = Array
982: * return: -1 error, >-1 freed segments
983: */
984: inline int io_sarrVacuum(sarr_t * __restrict arr);
985: #define io_sarrSize(_arr) ((_arr) ? (_arr)->sarr_num : 0)
986: #define io_sarrSeg(_arr) (assert((_arr)), (_arr)->sarr_seg)
987: /*
988: * io_sarrCopy() Copy source split array to destination split array
989: *
990: * @dest = Destination split array, after use free with io_sarrDestroy()
991: * @src = Source split array
992: * return: -1 error; >0 count of destination split array
993: */
994: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
995: /*
996: * io_sarrGet() - Get element from dynamic split-order array
997: *
998: * @arr = Array
999: * @idx = Index (warning 1st element is at position 1)
1000: * return: NULL not found, !=NULL element
1001: */
1002: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
1003: /*
1004: * io_sarrGet2() - Always get element from dynamic split-order array
1005: * Function automatic grow array. Good use for Hash tables!
1006: *
1007: * @arr = Array
1008: * @idx = Index (warning 1st element is at position 1)
1009: * return: NULL not found, !=NULL element
1010: */
1011: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
1012: /*
1013: * io_sarrSet() - Set element to dynamic split-order array
1014: *
1015: * @arr = Array
1016: * @idx = Index (warning 1st element is at position 1)
1017: * @data = Value
1018: * return: NULL error or empty, !=NULL old value in element
1019: */
1020: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
1021: #define io_sarrDel(_arr, _idx) io_sarrSet((_arr), _idx, NULL)
1022: #define io_sarr(_arr, _idx, _type) (_type)io_sarrGet((_arr), _idx)
1023: /*
1024: * io_sarr2array() - Convert from split-order array to dynamic array
1025: *
1026: * @sa = split array
1027: * @sarrFree = after convert split array !=0 will be destroyed sarray
1028: * return: NULL error or != NULL new array
1029: */
1030: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
1031: /*
1032: * io_array2sarr() - Convert from dynamic array to split-order array
1033: *
1034: * @a = array
1035: * @segLen = Length of segment
1036: * @arrFree = after convert array !=0 will be destroyed
1037: * return: NULL error or != NULL new sarr
1038: */
1039: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
1040:
1041: /*
1042: * io_CopyEnv() - Copy environment to new environment array;
1043: *
1044: * @oldenv = Environment array
1045: * return: NULL error; !=NULL Allocated new environment array(must be io_free)
1046: */
1047: char **io_CopyEnv(const char **oldenv);
1048: /*
1049: * io_ExecArgs() - Build exec arguments from other array
1050: *
1051: * @psProg = Program name for execute
1052: * @oldarg = Arguments array
1053: * return: NULL error; !=NULL Allocated execution array(must be io_free)
1054: */
1055: char **io_ExecArgs(const char *psProg, const char **oldarg);
1056: /*
1057: * io_FreeNullTerm() - Free dynamic allocated null terminated array with strings
1058: *
1059: * @arr = Pointer to array for free
1060: * return: none
1061: */
1062: inline void io_FreeNullTerm(char *** __restrict arr);
1063:
1064: /*
1065: * ioMkDir() - Function for racursive directory creation and validation
1066: *
1067: * @csDir = Full directory path
1068: * @mode = Mode for directory creation if missing dir
1069: * return: -1 error, 0 directory path exist, >0 created missing dirs
1070: */
1071: int ioMkDir(const char *csDir, int mode);
1072:
1073: /*
1074: * ioWatchDirLoop() - Function for watching changes in directory and fire callback
1075: *
1076: * @csDir = Full directory path
1077: * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
1078: * return: -1 error, !=-1 ok, number of total signaled events
1079: */
1080: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
1081:
1082:
1083: #ifdef AIO_OPS
1084: /*
1085: * io_aiobulk() - AIO bulk R/W function
1086: *
1087: * @mode = Bulk wait mode
1088: * @acbs = List of aiocb structures
1089: * @nacb = Number of aiocb in list
1090: * @sig = Event for completed operations, may be =NULL
1091: * return: -1 error or 0 ok
1092: */
1093: inline int io_aiobulk(int mode, struct aiocb ** __restrict acbs, int nacb,
1094: struct sigevent *sig);
1095: #endif
1096: /*
1097: * io_rreadv() - Raw VFS bulk read function
1098: *
1099: * @fd = File handle
1100: * @bufs = Read buffers
1101: * @nbufs = Number of read buffers
1102: * @offset = Read from position, if -1 read nbytes from current position
1103: * @update = Update file handle position !0
1104: * return: -1 error or !=-1 readed bytes
1105: */
1106: int io_rreadv(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset,
1107: int update);
1108: /*
1109: * io_rwritev() - Raw VFS bulk write function
1110: *
1111: * @fd = File handle
1112: * @bufs = Write buffers
1113: * @nbufs = Number of write buffers
1114: * @offset = Write to position, if -1 write nbytes to current position
1115: * @update = Update file handle position !0
1116: * return: -1 error or !=-1 written bytes
1117: */
1118: int io_rwritev(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset,
1119: int update);
1120: /*
1121: * io_rread() - Raw VFS read function
1122: *
1123: * @fd = File handle
1124: * @buf = Read buffer
1125: * @nbytes = Read buffer size
1126: * @offset = Read from position, if -1 read nbytes from current position
1127: * @update = Update file handle position !0
1128: * return: -1 error or !=-1 readed bytes
1129: */
1130: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset,
1131: int update);
1132: /*
1133: * io_rwrite() - Raw VFS write function
1134: *
1135: * @fd = File handle
1136: * @buf = Write buffer
1137: * @nbytes = Write bytes from buffer
1138: * @offset = Write at position, if -1 write nbytes from current position
1139: * @update = Update file handle position !0
1140: * return: -1 error or !=-1 written bytes
1141: */
1142: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset,
1143: int update);
1144:
1145: /* Disk I/O helper macros */
1146: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
1147: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
1148:
1149:
1150: /* Debug helper macros */
1151: extern int io_Debug;
1152:
1153: #define io_enableDEBUG int io_Debug
1154: #define io_initDebug(x) (io_Debug = (x))
1155: #define io_incDebug (io_Debug++)
1156: #define io_decDebug (io_Debug--)
1157:
1158: /* Debug macros */
1159: #define ioVERBOSE(x) if ((x) <= io_Debug)
1160: #define ioTRACE(x) if ((x) <= io_Debug) \
1161: syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
1162: #define ioDEBUG(x, fmt, ...) do { \
1163: assert((fmt)); \
1164: char str[STRSIZ] = { 0 }; \
1165: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1166: if ((x) <= io_Debug) \
1167: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1168: (x), __func__, __LINE__, str); \
1169: } while (0)
1170:
1171: /* Logger macro */
1172: #define ioLOGGER(x, fmt, ...) do { \
1173: assert((fmt)); \
1174: char str[STRSIZ] = { 0 }; \
1175: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1176: syslog((x), "Logger:%s(%d): %s\n", \
1177: __func__, __LINE__, str); \
1178: } while (0)
1179:
1180: /* Error state macros */
1181: #define ioERROR(x, fmt, ...) do { \
1182: assert((fmt)); \
1183: char str[STRSIZ] = { 0 }; \
1184: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1185: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1186: __func__, __LINE__, (x), str); \
1187: } while (0)
1188: #define ioSYSERR(x) do { \
1189: if (x > 0 || errno) \
1190: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
1191: __func__, __LINE__, x > 0 ? x : errno, \
1192: strerror(x > 0 ? x : errno)); \
1193: } while (0)
1194: #define ioLIBERR(ait) do { \
1195: if (ait##_GetErrno()) \
1196: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
1197: __func__, __LINE__, ait##_GetErrno(), \
1198: ait##_GetError()); \
1199: } while (0)
1200:
1201:
1202: /* Crypto framework */
1203:
1204: /*
1205: * ioCipher() - Cipher wrapper for all supported crypto algorythms
1206: *
1207: * @pInput = input buffer
1208: * @inLen = input buffer len
1209: * @ppOutput = output allocated buffe, must be io_free after use
1210: * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
1211: * @pKey = key
1212: * @pIV = IV, salt (8 bytes)
1213: * @nMode = Mode 0 - decrypting or 1 - encrypting
1214: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1215: */
1216: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher,
1217: unsigned char *pKey, unsigned char *pIV, int nMode);
1218:
1219: /*
1220: * io_Blowfish() - Blowfish cipher algorythm, work with ASCII hex strings
1221: *
1222: * @pInput = input buffer
1223: * @inLen = input buffer len
1224: * @ppOutput = output allocated buffe, must be io_free after use
1225: * @pKey = key
1226: * @pIV = IV, salt (8 bytes)
1227: * @nMode = Mode 0 - decrypting or 1 - encrypting
1228: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1229: */
1230: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1231: unsigned char *pKey, unsigned char *pIV, int nMode);
1232: /*
1233: * io_ctr_AES() - Encrypt/Decrypt stream cipher CTR_AES
1234: *
1235: * @pInput = Input buffer with ASCII
1236: * @inLen = Input buffer data length
1237: * @ppOutput = Output buffer with cipher data, must be io_free after use
1238: * @pKey = Key
1239: * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!!
1240: * return: -1 error or >-1 how many cipher blocks proceeded
1241: */
1242: int io_ctr_AES(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1243: unsigned char *pKey, unsigned char IV[AES_BLOCK_SIZE]);
1244:
1245:
1246: /*
1247: * ioAllocPTY() - Allocate new PTY and TTY
1248: *
1249: * @ptyfd = master fd, pty
1250: * @ttyfd = slave fd, tty
1251: * @name = tty device name if not null
1252: * @namesiz = name length, must be above 63 bytes.
1253: * @term = termios for terminal
1254: * @winz = winsize for terminal
1255: * return: -1 error or 0 ok
1256: */
1257: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz,
1258: struct termios * __restrict term, struct winsize * __restrict winz);
1259: /*
1260: * ioFreePTY() - Release PTY and TTY device
1261: *
1262: * @ptyfd = master fd, pty (==-1 skip closing pty)
1263: * @ttyname = tty filename
1264: * return: none
1265: */
1266: inline void ioFreePTY(int ptyfd, const char *ttyname);
1267: /*
1268: * ioChgWinPTY() - Change window size of PTY
1269: *
1270: * @ptyfd = master fd, pty
1271: * @row = row
1272: * @col = col
1273: * @xpxl = x pixels
1274: * @ypxl = y pixels
1275: * return: -1 error or 0 ok
1276: */
1277: inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col,
1278: unsigned short xpxl, unsigned short ypxl);
1279: /*
1280: * ioSetOwnerTTY() - Set owner to TTY
1281: *
1282: * @ttyname = tty filename
1283: * @UID = uid
1284: * @GID = gid
1285: * return: -1 error or 0 ok
1286: */
1287: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
1288: /*
1289: * ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes.
1290: *
1291: * @ttyfd = slave fd, tty
1292: * @ttyname = tty filename
1293: * return: -1 error or 0 ok
1294: */
1295: int ioSetSidTTY(int *ttyfd, const char *ttyname);
1296: /*
1297: * ioSetRAWMode() - Enter into RAW mode
1298: *
1299: * @fd = tty fd
1300: * @otio = saved old termios for later restore if !=NULL
1301: * return: -1 error or 0 ok
1302: */
1303: inline int ioSetRAWMode(int fd, struct termios *otio);
1304: /*
1305: * ioRestoreMode() - Restore termios to tty fd
1306: *
1307: * @fd = tty fd
1308: * @tio = termios structure for restore
1309: * return: -1 error or 0 ok
1310: */
1311: inline int ioRestoreMode(int fd, struct termios tio);
1312: /*
1313: * ioForkPTY() - Fork new process with session leader and new TTY
1314: *
1315: * @ptyfd = master fd, pty
1316: * @name = tty device name if not null
1317: * @namesiz = name length, must be above 63 bytes.
1318: * @term = termios for terminal
1319: * @winz = winsize for terminal
1320: * @otio = old termios structure for restore
1321: * return: -1 error, 0 child process or >0 parent: pid of child
1322: */
1323: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term,
1324: struct winsize * __restrict winz, struct termios * __restrict otio);
1325:
1326: /*
1327: * ioCreatePIDFile() - Create PID file
1328: *
1329: * @csName = PID filename
1330: * @ifExists = !=0 if filename exists return error
1331: * return: -1 error or 0 ok
1332: */
1333: inline int ioCreatePIDFile(const char *csName, int ifExists);
1334:
1335: /*
1336: * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS
1337: *
1338: * @s = socket
1339: * @csFile = file for send
1340: * @sendLen = bytes to send, if 0 send all data
1341: * @offset = start file offset
1342: * @sndbuf = SO_SNDBUF value, if 0 use default
1343: * return: 0 error, >0 ok, sended bytes
1344: */
1345: size_t ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf);
1346: /*
1347: * ioRecvFile() - Receive file from socket, fastest (zero-copy) way
1348: *
1349: * @s = socket
1350: * @csFile = file for receive
1351: * @recvLen = receive bytes
1352: * @over = overwrite file if exists with mode like 0644
1353: * @rcvbuf = SO_RCVBUF value, if 0 use default
1354: * return: 0 error, >0 ok, received bytes
1355: */
1356: size_t ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf);
1357:
1358:
1359: /* Buffered file access over memory block */
1360:
1361: /*
1362: * io_fmemopen() - File buffered stream operations over memory block
1363: *
1364: * @base = Base address of memory block, if =NULL Infinit length(auto-grow)
1365: * @basesize = Size of memory block
1366: * return: NULL error or !=NULL Opened file resource
1367: */
1368: FILE *io_fmemopen(void ** __restrict base, off_t basesize);
1369: /*
1370: * io_fmapopen() - File buffered stream operations over MMAP block
1371: *
1372: * @csFile = Filename for MMAP, if =NULL private MMAP block
1373: * @mode = File open mode
1374: * @perm = If file not exists will be created with this access permissions
1375: * @prot = MMAP protection
1376: * @flags = MMAP mode flags
1377: * @offset = Map from file offset, if csFile==NULL then this is size of MMAP private block
1378: * return: NULL error or !=NULL Opened file resource
1379: */
1380: FILE *io_fmapopen(const char *csFile, int mode, int perm, int prot, int flags, off_t offset);
1381: /*
1382: * io_fd2buf() - Convert open file handle to buffered file I/O
1383: *
1384: * @fd = File handle
1385: * @mode = Permissions for new buffered file I/O
1386: * return: NULL error or open buffered file
1387: */
1388: inline FILE *io_fd2buf(int fd, const char *mode);
1389: /*
1390: * io_dumbFile() - Create empry or dumb file with fixed size
1391: *
1392: * @csFile = Filename for create
1393: * @mode = File access permissions
1394: * @size = File size
1395: * return: -1 error or open file handle
1396: */
1397: int io_dumbFile(const char *csFile, int mode, off_t size);
1398:
1399:
1400: #endif
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