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 1.25 2012/08/29 13:51:29 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: __val->val.string = __p; \
249: strlcat((char*) __val->val.string, __s, \
250: AIT_LEN(__val)); \
251: } \
252: } while (0)
253: #define AIT_SET_STRCPY(_vl, _v) do { ait_val_t *__val = (_vl); const char *__s = (_v); int __l; \
254: assert(__val); assert(AIT_TYPE(__val) == string); \
255: if (!__s || !*__s) \
256: break; \
257: else \
258: __l = strlen(__s) + 1; \
259: void *__p = io_realloc(__val->val.string, __l); \
260: if (__p) { \
261: AIT_LEN(__val) = __l; \
262: __val->val.string = __p; \
263: strlcpy((char*) __val->val.string, __s, \
264: AIT_LEN(__val)); \
265: } } while (0)
266: #define AIT_SET_STRLCPY(_vl, _v, _len) do { ait_val_t *__val = (_vl); const char *__s = (_v); \
267: assert(__val); assert(AIT_TYPE(__val) == string); \
268: if (!__s || !*__s) \
269: break; \
270: void *__p = io_realloc(__val->val.string, _len); \
271: if (__p) { \
272: AIT_LEN(__val) = _len; \
273: __val->val.string = __p; \
274: strlcpy((char*) __val->val.string, __s, \
275: AIT_LEN(__val)); \
276: } } while (0)
277: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); assert(__val); \
278: __val->val_type = blob; __val->val.blob = _n; \
279: AIT_LEN(__val) = _len; } while (0)
280: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
281: __val->val_type = blob; AIT_LEN(__val) = \
282: (_bv)->blob_len; \
283: __val->val.blob = (_bv)->blob_var; } while (0)
284: #define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len)
285:
286: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
287: __val->val_type = u8; __val->val.u8 = _n; \
288: AIT_LEN(__val) = sizeof(uint8_t); } while (0)
289: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
290: __val->val_type = u16; __val->val.u16 = _n; \
291: AIT_LEN(__val) = sizeof(uint16_t); } while (0)
292: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
293: __val->val_type = u32; __val->val.u32 = _n; \
294: AIT_LEN(__val) = sizeof(uint32_t); } while (0)
295: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
296: __val->val_type = u64; __val->val.u64 = _n; \
297: AIT_LEN(__val) = sizeof(uint64_t); } while (0)
298: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
299: __val->val_type = i8; __val->val.i8 = _n; \
300: AIT_LEN(__val) = sizeof(int8_t); } while (0)
301: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
302: __val->val_type = i16; __val->val.i16 = _n; \
303: AIT_LEN(__val) = sizeof(int16_t); } while (0)
304: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
305: __val->val_type = i32; __val->val.i32 = _n; \
306: AIT_LEN(__val) = sizeof(int32_t); } while (0)
307: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
308: __val->val_type = i64; __val->val.i64 = _n; \
309: AIT_LEN(__val) = sizeof(int64_t); } while (0)
310: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
311: __val->val_type = f32; __val->val.f32 = _n; \
312: AIT_LEN(__val) = sizeof(float); } while (0)
313: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
314: __val->val_type = f64; __val->val.f64 = _n; \
315: AIT_LEN(__val) = sizeof(double); } while (0)
316:
317: #define AIT_COPY_VAL(_vl, _v) do { assert((_vl)); assert((_v)); \
318: memcpy((_vl), (_v), sizeof(ait_val_t)); \
319: switch (AIT_TYPE((_vl))) { \
320: case buffer: \
321: AIT_SET_BUF((_vl), \
322: AIT_GET_BUF((_v)), \
323: AIT_LEN((_v))); \
324: break; \
325: case string: \
326: AIT_SET_STR((_vl), \
327: AIT_GET_STR((_v))); \
328: break; \
329: default: \
330: break; \
331: } \
332: } while (0)
333: #define AIT_COPY_DATA(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \
334: if (AIT_TYPE((_vl)) == data) \
335: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
336: AIT_LEN((_v))); \
337: } while (0)
338:
339: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t)))
340: #define AIT_INIT_VAL2(_vl, _t) do { \
341: AIT_INIT_VAL((_vl)); \
342: (_vl)->val_type = _t; \
343: } while (0)
344: #define AIT_SET_LIKE(_vl, _t, _l, _v) do { assert((_vl)); \
345: AIT_INIT_VAL2((_vl), _t); \
346: AIT_LEN((_vl)) = _l; AIT_IN((_vl)) = 1; \
347: AIT_RAW((_vl)) = (uint64_t) (_v); \
348: } while (0)
349: /* if attribute zeroCopy is set not execute io_free() */
350: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
351: switch (AIT_TYPE(__val)) { \
352: case buffer: \
353: if (!__val->val_in && \
354: __val->val.buffer) \
355: io_free(__val->val.buffer); \
356: __val->val.buffer = NULL; \
357: break; \
358: case string: \
359: if (!__val->val_in && \
360: __val->val.string) \
361: io_free(__val->val.string); \
362: __val->val.string = NULL; \
363: break; \
364: default: \
365: break; \
366: } \
367: __val->val_type = empty; \
368: __val->val_opt ^= __val->val_opt; \
369: AIT_LEN(__val) = 0; \
370: AIT_KEY(__val) = 0; \
371: } while (0)
372: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
373: switch (AIT_TYPE(__val)) { \
374: case buffer: \
375: case string: \
376: if (__val->val.buffer) \
377: memset(__val->val.buffer, 0, \
378: AIT_LEN(__val)); \
379: break; \
380: case data: \
381: memset(__val->val_data, 0, AIT_LEN(__val)); \
382: break; \
383: default: \
384: __val->val.net = 0LL; \
385: break; \
386: } \
387: AIT_KEY(__val) = 0; \
388: } while (0)
389:
390: struct io_ether_addr {
391: u_int8_t ether_addr_octet[6];
392: };
393: typedef struct io_ether_addr io_ether_addr_t;
394:
395: typedef union {
396: struct sockaddr_storage ss;
397: struct sockaddr sa;
398: struct sockaddr_un sun;
399: struct sockaddr_in sin;
400: struct sockaddr_in6 sin6;
401: struct sockaddr_dl sdl;
402: } io_sockaddr_t;
403: #define IO_SOCKADDR_INIT { .ss = { 0 } }
404:
405:
406: #define io_align(x, a) (((x) + (a)) & ~(a))
407:
408:
409: // io_GetErrno() Get error code of last operation
410: inline int io_GetErrno();
411: // io_GetError() Get error text of last operation
412: inline const char *io_GetError();
413:
414:
415: // io_mm_inuse() Check for memory management model
416: inline int io_mm_inuse();
417:
418: /*
419: * ioLibInit() - Init libaitio library memory management
420: *
421: * @mm = memory management (IO_SYSM or IO_MPOOL)
422: * @maxmem = memory limit
423: * return: -1 error or !=-1 used memory management model
424: */
425: inline int ioLibInit(int mm, unsigned long maxmem);
426: /*
427: * ioLibFini() - Finish libaitio library memory management
428: *
429: * return: none
430: */
431: inline void ioLibFini();
432:
433: /* memory management hooks */
434: extern void *(*io_malloc)(size_t);
435: extern void *(*io_calloc)(size_t, size_t);
436: extern void *(*io_realloc)(void*, size_t);
437: extern char *(*io_strdup)(const char*);
438: extern void (*io_free)(void*);
439:
440:
441: /*
442: * io_ether_ntoa() - Convert ethernet address to string
443: *
444: * @n = ethernet address structure, like struct ether_addr
445: * @a = string
446: * @len = string length
447: * return: NULL error or !=NULL string a
448: */
449: inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
450: /*
451: * io_ether_aton() - Convert string to ethernet address
452: *
453: * @a = string
454: * @e = ethernet address structure, like struct ether_addr
455: * return: NULL error or !=NULL ethernet address structure
456: */
457: inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e);
458: /*
459: * io_n2port() - Extract port from network structure
460: *
461: * @addr = Address
462: * return: 0 not supported family type or port number
463: */
464: inline u_short io_n2port(io_sockaddr_t * __restrict addr);
465: /*
466: * io_n2addr() - Extract address from network structure
467: *
468: * @addr = Address
469: * @val = Value for store string address
470: * return: NULL error or !=NULL string address from val
471: */
472: const char *io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val);
473: /*
474: * io_gethostbyname() - Get host and port and make network structure
475: *
476: * @psHost = Hostname
477: * @port = Port
478: * @addr = Network address structure
479: * return: NULL error or !=NULL network structure
480: */
481: io_sockaddr_t *io_gethostbyname(const char *psHost, unsigned short port,
482: io_sockaddr_t * __restrict addr);
483:
484: /*
485: * io_vars2buffer() - Marshaling data from array with variables to buffer
486: *
487: * @buf = Buffer
488: * @buflen = Size of buffer
489: * @vars = Variable array
490: * return: -1 error, 0 nothing done or >0 size of marshaled data
491: */
492: inline int io_vars2buffer(unsigned char * __restrict buf, int buflen,
493: array_t * __restrict vars);
494: /*
495: * io_buffer2vars() - De-marshaling data from buffer to array with variables
496: *
497: * @buf = Buffer
498: * @buflen = Size of buffer
499: * @vnum = Number of variables into buffer
500: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
501: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
502: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
503: */
504: inline array_t *io_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
505: /*
506: * io_vars2map() - Marshaling data from array with variables to memory map
507: *
508: * @buf = Buffer
509: * @buflen = Size of buffer
510: * @vars = Variable array
511: * return: -1 error, 0 nothing done or >0 size of marshaled data
512: */
513: inline int io_vars2map(unsigned char * __restrict buf, int buflen,
514: array_t * __restrict vars);
515: /*
516: * io_map2vars() - De-marshaling data from memory map to array with variables
517: *
518: * @buf = Buffer
519: * @buflen = Size of buffer
520: * @vnum = Number of variables into buffer
521: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
522: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
523: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
524: */
525: inline array_t *io_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
526:
527: /*
528: * io_allocVar() - Allocate memory for variable
529: *
530: * return: NULL error or new variable, after use free variable with io_freeVar()
531: */
532: inline ait_val_t *io_allocVar(void);
533: /*
534: * io_freeVar() - Free allocated memory for variable
535: *
536: * @val = Variable
537: * return: none
538: */
539: inline void io_freeVar(ait_val_t ** __restrict val);
540: /*
541: * io_makeVar() - Allocate memory and fill variable
542: *
543: * @type = type of variable
544: * @... = arg1 is value of variable
545: * @... = arg2 is length of variabla. Not required for numbers and strings!
546: * return: NULL error or new variable, after use free variable with io_freeVar()
547: */
548: ait_val_t *io_makeVar(ait_type_t type, ...);
549: /*
550: * io_hashVar() - Generate hash key for variable from string or value
551: *
552: * @v = variable
553: * @key = key string for hash, if =NULL hash will built from variable
554: * return: hash key
555: */
556: unsigned short io_hashVar(ait_val_t * __restrict v, const char * __restrict key);
557: /*
558: * io_allocVars() - Allocate ait_val_t array
559: *
560: * @varnum = Number of variables
561: * return: =NULL error or !=NULL allocated array
562: */
563: inline array_t *io_allocVars(int varnum);
564: /*
565: * io_clrVars() - Clear ait_val_t elements from array
566: *
567: * @vars = Variable array
568: * return: -1 error or size of array
569: */
570: inline int io_clrVars(array_t * __restrict vars);
571: /*
572: * io_freeVars() - Free ait_val_t array
573: *
574: * @vars = Variable array
575: * return: none
576: */
577: inline void io_freeVars(array_t ** __restrict vars);
578: /*
579: * io_getVars() - Get ait_val_t element from array and if not exists allocate it
580: *
581: * @vars = Variable array
582: * @n = index of variable into array
583: * return: NULL error or !=NULL ait_val_t element
584: */
585: inline ait_val_t *io_getVars(array_t ** __restrict vars, int n);
586: /*
587: * io_sortVarsByKey() - Sorting array with variables by key
588: *
589: * @vars = Variable array
590: * @order = Sort order. If =0 ascend or !=0 descend
591: * return: none
592: */
593: inline void io_sortVarsByKey(array_t * __restrict vars, int order);
594: /*
595: * io_sortVarsByVal() - Sorting array with variables by value
596: *
597: * @vars = Variable array
598: * @order = Sort order. If =0 ascend or !=0 descend
599: * @cmp = Custom compare function for sorting. If =NULL compare by value
600: * return: none
601: */
602: inline void io_sortVarsByVal(array_t * __restrict vars, int order,
603: int (*cmp)(const void*, const void*));
604: /*
605: * io_findKeyVars() - Find variable by key from array
606: *
607: * @vars = Variables
608: * @key = Search key
609: * return: NULL error or not found, !=NULL valid element
610: */
611: ait_val_t *io_findKeyVars(array_t * __restrict vars, u_short key);
612: /*
613: * io_findKeyHash() - Find variable by hash string from array
614: *
615: * @vars = Variables
616: * @key = Search string
617: * return: NULL error or not found, !=NULL valid element
618: */
619: inline ait_val_t *io_findKeyHash(array_t * __restrict vars, const char * __restrict key);
620: /*
621: * io_hashKeyVars() - Generate hash keys for variables
622: *
623: * @vars = Variables
624: * return -1 error or 0 ok
625: */
626: inline int io_hashKeyVars(array_t * __restrict vars);
627:
628:
629: /*
630: * ioPromptRead() - Read data from input h[0] with prompt to output h[1]
631: *
632: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
633: * @csPrompt = Prompt before input, may be NULL
634: * @psData = Readed data
635: * @dataLen = Length of data
636: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
637: */
638: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
639: /*
640: * ioPromptPassword() - Read password from input h[0] with prompt to output h[1]
641: *
642: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
643: * @csPrompt = Prompt before input, may be NULL
644: * @psPass = Readed password
645: * @passLen = Length of password
646: * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
647: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
648: */
649: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
650:
651: /*
652: * ioRegexVerify() - Function for verify data match in regex expression
653: *
654: * @csRegex = Regulare expression pattern
655: * @csData = Data for check and verify
656: * @startPos = Return start positions
657: * @endPos = Return end positions
658: * return: NULL not match or error; !=NULL begin of matched data
659: */
660: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
661: /*
662: * ioRegexGet() - Function for get data match in regex expression
663: *
664: * @csRegex = Regulare expression pattern
665: * @csData = Data from get
666: * @psString = Returned string if match
667: * @strLen = Length of string
668: * return: 0 not match; >0 count of returned chars
669: */
670: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
671: /*
672: * ioRegexReplace() - Function for replace data match in regex expression with newdata
673: *
674: * @csRegex = Regulare expression pattern
675: * @csData = Source data
676: * @csNew = Data for replace
677: * return: NULL not match or error; !=NULL allocated new string, must be io_free after use!
678: */
679: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
680:
681: /*
682: * ioStrAst() - Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
683: *
684: * @csString = Input string
685: * return: NULL error, !=NULL Allocated new string evaluated from input string, must be io_free()
686: */
687: char *ioStrAst(const char *csString);
688:
689: /*
690: * io_UnquotStr() - Remove quots from input text string
691: *
692: * @psLine = Text string
693: * return: 0 nothing to do; 1 successful unquoted string
694: */
695: inline int io_UnquotStr(char * __restrict psLine);
696: /*
697: * io_LTrimStr() - Remove left whitespaces from text string
698: *
699: * @psLine = Text string
700: * return: 0 nothing to do; !=0 Removed bytes
701: */
702: inline int io_LTrimStr(char * __restrict psLine);
703: /*
704: * io_RTrimStr() - Remove right whitespaces from text string
705: *
706: * @psLine = Text string
707: * return: 0 nothing to do; !=0 Removed bytes
708: */
709: inline int io_RTrimStr(char * __restrict psLine);
710: /*
711: * io_TrimStr() - Remove left and right whitespaces from text string
712: *
713: * @psLine = Text string
714: * return: 0 nothing to do; !=0 Removed bytes
715: */
716: inline int io_TrimStr(char * __restrict psLine);
717: /*
718: * io_Ch2Hex() - Convert from Char string to Hex string
719: *
720: * @psLine = Text string
721: * @lineLen = Length of Text string
722: * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be io_free)
723: */
724: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
725: /*
726: * io_Hex2Ch() - Convert from Hex string to Char string
727: *
728: * @psLine = Text string
729: * @lineLen = Length of Text string
730: * return: NULL nothing to do or error; !=0 Allocated new converted string(must be io_free)
731: */
732: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
733:
734: /*
735: * io_Path2File() - Parse and make path/filename pair
736: *
737: * @csArgs = Input argument line
738: * @psPath = Output Path, if ==NULL path not returned
739: * @pathLen = Size of path array
740: * @psFile = Output File
741: * @fileLen = Size of file array
742: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
743: */
744: inline int
745: io_Path2File(const char * __restrict csArgs, char * __restrict psPath,
746: int pathLen, char * __restrict psFile, int fileLen);
747:
748: /*
749: * io_arrayInit() - Create and initialize dynamic array
750: *
751: * @numItems = Number of Items
752: * return: NULL error, != NULL allocated memory for array
753: */
754: inline array_t *io_arrayInit(int numItems);
755: /*
756: * io_arrayDestroy() - Free and destroy dynamic array
757: *
758: * @parr = Array
759: * return: none
760: */
761: inline void io_arrayDestroy(array_t ** __restrict parr);
762: /*
763: * io_arrayFree() - Free all data in dynamic array items
764: * (WARNING! If assign static array dont use this!!!)
765: *
766: * @arr = Array
767: * return: none
768: */
769: inline void io_arrayFree(array_t * __restrict arr);
770: /*
771: * io_arrayFrom() - Create and fill array from array with pointers
772: *
773: * @pargv = Array with pointers
774: * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
775: * return: NULL error, != NULL allocated new array
776: */
777: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
778: /*
779: * io_arrayTo() - Create and fill array with pointers from dynamic array
780: *
781: * @arr = Array
782: * return: NULL error, != NULL allocated memory for array, NULL terminated
783: */
784: inline char **io_arrayTo(array_t * __restrict arr);
785: /*
786: * io_arrayLen() - Get last used element in dynamic array (array Length)
787: *
788: * @arr = Array
789: * return: -1 empty or >-1 position of last used element
790: */
791: inline int io_arrayLen(array_t * __restrict arr);
792: /*
793: * io_arrayConcat() Concat source array to destination array
794: *
795: * @dest = Destination array
796: * @src = Source array
797: * return: -1 error; >0 new count of destination array
798: */
799: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
800: /*
801: * io_arrayCopy() Copy source array to destination array
802: *
803: * @dest = Destination array, after use free with io_arrayDestroy()
804: * @src = Source array
805: * return: -1 error; >0 count of destination array
806: */
807: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
808: /*
809: * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
810: *
811: * @arr = Array
812: * @newNumItems = Number of Items
813: * @freeShrink = Free elements before shrink array
814: * return: -1 error, 0 ok
815: */
816: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
817: /*
818: * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
819: *
820: * @arr = Array
821: * @fromWhere = 1 begin, 2 ALL empty elements
822: * return: -1 error, 0 ok
823: */
824: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
825:
826: #define io_arraySize(_arr) ((_arr) ? (_arr)->arr_num : 0)
827: #define io_arrayLast(_arr) (io_arraySize((_arr)) ? (_arr)->arr_last : -1)
828: #define io_arrayZero(_arr) (assert((_arr)), memset((_arr)->arr_data, 0, \
829: io_arraySize((_arr)) * sizeof(void*)))
830:
831: #define io_arrayGet2(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), ((_arr)->arr_data + _d))
832: #define io_arrayGet(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), (_arr)->arr_data[_d])
833: #define io_array(_arr, _d, _type) (assert((_arr) && (_arr)->arr_num > _d), \
834: ((_type) (_arr)->arr_data[_d]))
835: #define io_arraySet(_arr, _d, _ptr) do { \
836: assert((_arr) && (_arr)->arr_num > _d); \
837: if ((_arr)->arr_last < _d) \
838: (_arr)->arr_last = _d; \
839: (_arr)->arr_data[_d] = (void*) (_ptr); \
840: } while (0)
841: #define io_arrayDel(_arr, _d, _fri) do { \
842: assert((_arr) && (_arr)->arr_num > _d); \
843: if (_fri && (_arr)->arr_data[_d]) \
844: free((_arr)->arr_data[_d]); \
845: (_arr)->arr_data[_d] = NULL; \
846: } while (0)
847:
848: /*
849: * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array
850: *
851: * @arr = Array
852: * @n = Position
853: * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
854: * return: -1 error or !=-1 return element at position
855: */
856: inline void *io_arrayElem(array_t * __restrict arr, int n, void *data);
857: /*
858: * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
859: *
860: * @arr = Array
861: * @data = Element, if set NULL return only first empty position
862: * @mayGrow = Array may to grow, if not enough room for new element
863: * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
864: */
865: inline int io_arrayPush(array_t * __restrict arr, void **data, int mayGrow);
866: /*
867: * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
868: *
869: * @arr = Array
870: * @data = Element, if set NULL return only last used position
871: * @delAfter = Delete after Pop element, !=0 delete element from array after return data
872: * return: -1 not found used position, array is empty!, >-1 return element position
873: */
874: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
875:
876: /*
877: * io_argsNum() - Parse and calculate number of arguments
878: *
879: * @csArgs = Input arguments line
880: * @csDelim = Delimiter(s) for separate
881: * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
882: */
883: inline int io_argsNum(const char *csArgs, const char *csDelim);
884:
885: /*
886: * io_arrayMake() - Parse and make array from arguments ... (input string will be modified!!!
887: * and output array must be free with io_arrayDestroy() after use!)
888: *
889: * @psArgs = Input arguments line, after execute string is modified!!!
890: * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
891: * @csDelim = Delimiter(s) for separate
892: * @parr = Output array of arguments ... (must be io_free with io_arrayDestroy() after use!)
893: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
894: */
895: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim,
896: array_t ** __restrict parr);
897:
898: /*
899: * io_MakeAV() - Parse and make attribute/value pair
900: *
901: * @csArgs = Input argument line
902: * @csDelim = Delimiter for separate
903: * @psAttr = Output Attribute
904: * @attrLen = Size of attribute array
905: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
906: * @valLen = Size of value array
907: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
908: */
909: int io_MakeAV(const char * __restrict csArgs, const char *csDelim,
910: char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
911: /*
912: * io_MakeAV2() Parse and make attribute/value pair over input string
913: *
914: * @csArgs = Input argument line, will be modified!
915: * @csDelim = Delimiter for separate
916: * @psAttr = Output Attribute
917: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
918: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
919: */
920: int io_MakeAV2(char * __restrict psArgs, const char *csDelim,
921: char ** __restrict psAttr, char ** __restrict psValue);
922:
923: /*
924: * io_sarrInit() - Create and initialize dynamic split-order array
925: *
926: * @numItems = Number of Items
927: * @segLen = Length of segment
928: * return: NULL error, != NULL allocated memory for array
929: */
930: inline sarr_t *io_sarrInit(int numItems, int segLen);
931: /*
932: * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
933: *
934: * @parr = Array
935: * return: none
936: */
937: inline void io_sarrDestroy(sarr_t ** __restrict parr);
938: /*
939: * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
940: *
941: * @arr = Array
942: * @newNumItems = Number of Items
943: * return: -1 error, 0 ok
944: */
945: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
946: /*
947: * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
948: *
949: * @arr = Array
950: * return: -1 error, >-1 freed segments
951: */
952: inline int io_sarrVacuum(sarr_t * __restrict arr);
953: #define io_sarrSize(_arr) ((_arr) ? (_arr)->sarr_num : 0)
954: #define io_sarrSeg(_arr) (assert((_arr)), (_arr)->sarr_seg)
955: /*
956: * io_sarrCopy() Copy source split array to destination split array
957: *
958: * @dest = Destination split array, after use free with io_sarrDestroy()
959: * @src = Source split array
960: * return: -1 error; >0 count of destination split array
961: */
962: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
963: /*
964: * io_sarrGet() - Get element from dynamic split-order array
965: *
966: * @arr = Array
967: * @idx = Index (warning 1st element is at position 1)
968: * return: NULL not found, !=NULL element
969: */
970: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
971: /*
972: * io_sarrGet2() - Always get element from dynamic split-order array
973: * Function automatic grow array. Good use for Hash tables!
974: *
975: * @arr = Array
976: * @idx = Index (warning 1st element is at position 1)
977: * return: NULL not found, !=NULL element
978: */
979: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
980: /*
981: * io_sarrSet() - Set element to dynamic split-order array
982: *
983: * @arr = Array
984: * @idx = Index (warning 1st element is at position 1)
985: * @data = Value
986: * return: NULL error or empty, !=NULL old value in element
987: */
988: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
989: #define io_sarrDel(_arr, _idx) io_sarrSet((_arr), _idx, NULL)
990: #define io_sarr(_arr, _idx, _type) (_type)io_sarrGet((_arr), _idx)
991: /*
992: * io_sarr2array() - Convert from split-order array to dynamic array
993: *
994: * @sa = split array
995: * @sarrFree = after convert split array !=0 will be destroyed sarray
996: * return: NULL error or != NULL new array
997: */
998: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
999: /*
1000: * io_array2sarr() - Convert from dynamic array to split-order array
1001: *
1002: * @a = array
1003: * @segLen = Length of segment
1004: * @arrFree = after convert array !=0 will be destroyed
1005: * return: NULL error or != NULL new sarr
1006: */
1007: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
1008:
1009: /*
1010: * io_CopyEnv() - Copy environment to new environment array;
1011: *
1012: * @oldenv = Environment array
1013: * return: NULL error; !=NULL Allocated new environment array(must be io_free)
1014: */
1015: char **io_CopyEnv(const char **oldenv);
1016: /*
1017: * io_ExecArgs() - Build exec arguments from other array
1018: *
1019: * @psProg = Program name for execute
1020: * @oldarg = Arguments array
1021: * return: NULL error; !=NULL Allocated execution array(must be io_free)
1022: */
1023: char **io_ExecArgs(const char *psProg, const char **oldarg);
1024: /*
1025: * io_FreeNullTerm() - Free dynamic allocated null terminated array with strings
1026: *
1027: * @arr = Pointer to array for free
1028: * return: none
1029: */
1030: inline void io_FreeNullTerm(char *** __restrict arr);
1031:
1032: /*
1033: * ioMkDir() - Function for racursive directory creation and validation
1034: *
1035: * @csDir = Full directory path
1036: * @mode = Mode for directory creation if missing dir
1037: * return: -1 error, 0 directory path exist, >0 created missing dirs
1038: */
1039: int ioMkDir(const char *csDir, int mode);
1040:
1041: /*
1042: * ioWatchDirLoop() - Function for watching changes in directory and fire callback
1043: *
1044: * @csDir = Full directory path
1045: * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
1046: * return: -1 error, !=-1 ok, number of total signaled events
1047: */
1048: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
1049:
1050:
1051: #ifdef AIO_OPS
1052: /*
1053: * io_aiobulk() - AIO bulk R/W function
1054: *
1055: * @mode = Bulk wait mode
1056: * @acbs = List of aiocb structures
1057: * @nacb = Number of aiocb in list
1058: * @sig = Event for completed operations, may be =NULL
1059: * return: -1 error or 0 ok
1060: */
1061: inline int io_aiobulk(int mode, struct aiocb ** __restrict acbs, int nacb,
1062: struct sigevent *sig);
1063: #endif
1064: /*
1065: * io_rreadv() - Raw VFS bulk read function
1066: *
1067: * @fd = File handle
1068: * @bufs = Read buffers
1069: * @nbufs = Number of read buffers
1070: * @offset = Read from position, if -1 read nbytes from current position
1071: * @update = Update file handle position !0
1072: * return: -1 error or !=-1 readed bytes
1073: */
1074: int io_rreadv(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset,
1075: int update);
1076: /*
1077: * io_rwritev() - Raw VFS bulk write function
1078: *
1079: * @fd = File handle
1080: * @bufs = Write buffers
1081: * @nbufs = Number of write buffers
1082: * @offset = Write to position, if -1 write nbytes to current position
1083: * @update = Update file handle position !0
1084: * return: -1 error or !=-1 written bytes
1085: */
1086: int io_rwritev(int fd, struct iovec * __restrict bufs, int nbufs, off_t offset,
1087: int update);
1088: /*
1089: * io_rread() - Raw VFS read function
1090: *
1091: * @fd = File handle
1092: * @buf = Read buffer
1093: * @nbytes = Read buffer size
1094: * @offset = Read from position, if -1 read nbytes from current position
1095: * @update = Update file handle position !0
1096: * return: -1 error or !=-1 readed bytes
1097: */
1098: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset,
1099: int update);
1100: /*
1101: * io_rwrite() - Raw VFS write function
1102: *
1103: * @fd = File handle
1104: * @buf = Write buffer
1105: * @nbytes = Write bytes from buffer
1106: * @offset = Write at position, if -1 write nbytes from current position
1107: * @update = Update file handle position !0
1108: * return: -1 error or !=-1 written bytes
1109: */
1110: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset,
1111: int update);
1112:
1113: /* Disk I/O helper macros */
1114: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
1115: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
1116:
1117:
1118: /* Debug helper macros */
1119: extern int io_Debug;
1120:
1121: #define io_enableDEBUG int io_Debug
1122: #define io_initDebug(x) (io_Debug = (x))
1123: #define io_incDebug (io_Debug++)
1124: #define io_decDebug (io_Debug--)
1125:
1126: /* Debug macros */
1127: #define ioVERBOSE(x) if ((x) <= io_Debug)
1128: #define ioTRACE(x) if ((x) <= io_Debug) \
1129: syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
1130: #define ioDEBUG(x, fmt, ...) do { \
1131: assert((fmt)); \
1132: char str[STRSIZ] = { 0 }; \
1133: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1134: if ((x) <= io_Debug) \
1135: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1136: (x), __func__, __LINE__, str); \
1137: } while (0)
1138:
1139: /* Logger macro */
1140: #define ioLOGGER(x, fmt, ...) do { \
1141: assert((fmt)); \
1142: char str[STRSIZ] = { 0 }; \
1143: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1144: syslog((x), "Logger:%s(%d): %s\n", \
1145: __func__, __LINE__, str); \
1146: } while (0)
1147:
1148: /* Error state macros */
1149: #define ioERROR(x, fmt, ...) do { \
1150: assert((fmt)); \
1151: char str[STRSIZ] = { 0 }; \
1152: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1153: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1154: __func__, __LINE__, (x), str); \
1155: } while (0)
1156: #define ioSYSERR(x) do { \
1157: if (x > 0 || errno) \
1158: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
1159: __func__, __LINE__, x > 0 ? x : errno, \
1160: strerror(x > 0 ? x : errno)); \
1161: } while (0)
1162: #define ioLIBERR(ait) do { \
1163: if (ait##_GetErrno()) \
1164: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
1165: __func__, __LINE__, ait##_GetErrno(), \
1166: ait##_GetError()); \
1167: } while (0)
1168:
1169:
1170: /* Crypto framework */
1171:
1172: /*
1173: * ioCipher() - Cipher wrapper for all supported crypto algorythms
1174: *
1175: * @pInput = input buffer
1176: * @inLen = input buffer len
1177: * @ppOutput = output allocated buffe, must be io_free after use
1178: * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
1179: * @pKey = key
1180: * @pIV = IV, salt (8 bytes)
1181: * @nMode = Mode 0 - decrypting or 1 - encrypting
1182: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1183: */
1184: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher,
1185: unsigned char *pKey, unsigned char *pIV, int nMode);
1186:
1187: /*
1188: * io_Blowfish() - Blowfish cipher algorythm, work with ASCII hex strings
1189: *
1190: * @pInput = input buffer
1191: * @inLen = input buffer len
1192: * @ppOutput = output allocated buffe, must be io_free after use
1193: * @pKey = key
1194: * @pIV = IV, salt (8 bytes)
1195: * @nMode = Mode 0 - decrypting or 1 - encrypting
1196: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1197: */
1198: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1199: unsigned char *pKey, unsigned char *pIV, int nMode);
1200: /*
1201: * io_ctr_AES() - Encrypt/Decrypt stream cipher CTR_AES
1202: *
1203: * @pInput = Input buffer with ASCII
1204: * @inLen = Input buffer data length
1205: * @ppOutput = Output buffer with cipher data, must be io_free after use
1206: * @pKey = Key
1207: * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!!
1208: * return: -1 error or >-1 how many cipher blocks proceeded
1209: */
1210: int io_ctr_AES(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1211: unsigned char *pKey, unsigned char IV[AES_BLOCK_SIZE]);
1212:
1213:
1214: /*
1215: * ioAllocPTY() - Allocate new PTY and TTY
1216: *
1217: * @ptyfd = master fd, pty
1218: * @ttyfd = slave fd, tty
1219: * @name = tty device name if not null
1220: * @namesiz = name length, must be above 63 bytes.
1221: * @term = termios for terminal
1222: * @winz = winsize for terminal
1223: * return: -1 error or 0 ok
1224: */
1225: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz,
1226: struct termios * __restrict term, struct winsize * __restrict winz);
1227: /*
1228: * ioFreePTY() - Release PTY and TTY device
1229: *
1230: * @ptyfd = master fd, pty (==-1 skip closing pty)
1231: * @ttyname = tty filename
1232: * return: none
1233: */
1234: inline void ioFreePTY(int ptyfd, const char *ttyname);
1235: /*
1236: * ioChgWinPTY() - Change window size of PTY
1237: *
1238: * @ptyfd = master fd, pty
1239: * @row = row
1240: * @col = col
1241: * @xpxl = x pixels
1242: * @ypxl = y pixels
1243: * return: -1 error or 0 ok
1244: */
1245: inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col,
1246: unsigned short xpxl, unsigned short ypxl);
1247: /*
1248: * ioSetOwnerTTY() - Set owner to TTY
1249: *
1250: * @ttyname = tty filename
1251: * @UID = uid
1252: * @GID = gid
1253: * return: -1 error or 0 ok
1254: */
1255: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
1256: /*
1257: * ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes.
1258: *
1259: * @ttyfd = slave fd, tty
1260: * @ttyname = tty filename
1261: * return: -1 error or 0 ok
1262: */
1263: int ioSetSidTTY(int *ttyfd, const char *ttyname);
1264: /*
1265: * ioSetRAWMode() - Enter into RAW mode
1266: *
1267: * @fd = tty fd
1268: * @otio = saved old termios for later restore if !=NULL
1269: * return: -1 error or 0 ok
1270: */
1271: inline int ioSetRAWMode(int fd, struct termios *otio);
1272: /*
1273: * ioRestoreMode() - Restore termios to tty fd
1274: *
1275: * @fd = tty fd
1276: * @tio = termios structure for restore
1277: * return: -1 error or 0 ok
1278: */
1279: inline int ioRestoreMode(int fd, struct termios tio);
1280: /*
1281: * ioForkPTY() - Fork new process with session leader and new TTY
1282: *
1283: * @ptyfd = master fd, pty
1284: * @name = tty device name if not null
1285: * @namesiz = name length, must be above 63 bytes.
1286: * @term = termios for terminal
1287: * @winz = winsize for terminal
1288: * @otio = old termios structure for restore
1289: * return: -1 error, 0 child process or >0 parent: pid of child
1290: */
1291: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term,
1292: struct winsize * __restrict winz, struct termios * __restrict otio);
1293:
1294: /*
1295: * ioCreatePIDFile() - Create PID file
1296: *
1297: * @csName = PID filename
1298: * @ifExists = !=0 if filename exists return error
1299: * return: -1 error or 0 ok
1300: */
1301: inline int ioCreatePIDFile(const char *csName, int ifExists);
1302:
1303: /*
1304: * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS
1305: *
1306: * @s = socket
1307: * @csFile = file for send
1308: * @sendLen = bytes to send, if 0 send all data
1309: * @offset = start file offset
1310: * @sndbuf = SO_SNDBUF value, if 0 use default
1311: * return: 0 error, >0 ok, sended bytes
1312: */
1313: size_t ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf);
1314: /*
1315: * ioRecvFile() - Receive file from socket, fastest (zero-copy) way
1316: *
1317: * @s = socket
1318: * @csFile = file for receive
1319: * @recvLen = receive bytes
1320: * @over = overwrite file if exists with mode like 0644
1321: * @rcvbuf = SO_RCVBUF value, if 0 use default
1322: * return: 0 error, >0 ok, received bytes
1323: */
1324: size_t ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf);
1325:
1326:
1327: /* Buffered file access over memory block */
1328:
1329: /*
1330: * io_fmemopen() - File buffered stream operations over memory block
1331: *
1332: * @base = Base address of memory block, if =NULL Infinit length(auto-grow)
1333: * @basesize = Size of memory block
1334: * return: NULL error or !=NULL Opened file resource
1335: */
1336: FILE *io_fmemopen(void ** __restrict base, off_t basesize);
1337: /*
1338: * io_fmapopen() - File buffered stream operations over MMAP block
1339: *
1340: * @csFile = Filename for MMAP, if =NULL private MMAP block
1341: * @mode = File open mode
1342: * @perm = If file not exists will be created with this access permissions
1343: * @prot = MMAP protection
1344: * @flags = MMAP mode flags
1345: * @offset = Map from file offset, if csFile==NULL then this is size of MMAP private block
1346: * return: NULL error or !=NULL Opened file resource
1347: */
1348: FILE *io_fmapopen(const char *csFile, int mode, int perm, int prot, int flags, off_t offset);
1349: /*
1350: * io_fd2buf() - Convert open file handle to buffered file I/O
1351: *
1352: * @fd = File handle
1353: * @mode = Permissions for new buffered file I/O
1354: * return: NULL error or open buffered file
1355: */
1356: inline FILE *io_fd2buf(int fd, const char *mode);
1357: /*
1358: * io_dumbFile() - Create empry or dumb file with fixed size
1359: *
1360: * @csFile = Filename for create
1361: * @mode = File access permissions
1362: * @size = File size
1363: * return: -1 error or open file handle
1364: */
1365: int io_dumbFile(const char *csFile, int mode, off_t size);
1366:
1367:
1368: #endif
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