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 1.22.2.5 2012/07/30 11:20:07 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 <openssl/evp.h>
54: #include <openssl/aes.h>
55: #include <sys/tty.h>
56: #include <sys/ioctl_compat.h>
57: #include <sys/socket.h>
58: #include <sys/un.h>
59: #include <net/if_dl.h>
60: #include <netinet/in.h>
61: #include <atree.h>
62: #include <ampool.h>
63:
64:
65: #ifndef STRSIZ
66: #define STRSIZ 256
67: #endif
68:
69: #ifndef be16toh
70: #define be16toh betoh16
71: #endif
72: #ifndef be32toh
73: #define be32toh betoh32
74: #endif
75: #ifndef be64toh
76: #define be64toh betoh64
77: #endif
78: #ifndef le16toh
79: #define le16toh letoh16
80: #endif
81: #ifndef le32toh
82: #define le32toh letoh32
83: #endif
84: #ifndef le64toh
85: #define le64toh letoh64
86: #endif
87:
88: #define IO_SYSM 0
89: #define IO_MPOOL 1
90:
91: #define VACUUM_LEFT 1
92: #define VACUUM_BETWEEN 2
93:
94: /* AIT arrays */
95:
96: typedef void ** sarr_seg_t;
97: typedef struct _tagSplitArray {
98: int sarr_num;
99: int sarr_seg;
100: int sarr_siz;
101: sarr_seg_t *sarr_data;
102: } sarr_t;
103:
104: typedef struct _tagArray {
105: int arr_last;
106: int arr_num;
107: void **arr_data;
108: } array_t;
109:
110: /* AIT RPC variables and managment */
111:
112: typedef enum {
113: empty, ptr, data, /* empty -> variable is not set; ptr -> void*; data -> data after struct */
114: buffer, string, blob, /* buffer -> uint8_t*; string -> int8_t*; blob -> uint32_t blobID(+socket); */
115: f32, f64, /* float -> f32; double -> f64 */
116: u8, u16, u32, u64, /* unsigned integers ... */
117: i8, i16, i32, i64, /* integers ... */
118: } ait_type_t;
119:
120: typedef struct {
121: uint8_t val_type;
122: union {
123: struct {
124: uint8_t val_in:1;
125: uint8_t val_be:1;
126: uint8_t val_le:1;
127: uint8_t val_pad:5;
128: };
129: uint8_t val_opt;
130: };
131: uint16_t val_key;
132: uint32_t val_len;
133: union {
134: uint64_t net;
135:
136: void *ptr;
137: uint8_t *buffer;
138: int8_t *string;
139: uint32_t blob;
140: float f32;
141: double f64;
142: uint8_t u8;
143: uint16_t u16;
144: uint32_t u32;
145: uint64_t u64;
146: int8_t i8;
147: int16_t i16;
148: int32_t i32;
149: int64_t i64;
150: } val;
151: uint8_t val_data[0];
152: } __packed ait_val_t; /* sizeof 16 bytes */
153:
154: #define AIT_TYPE(_vl) ((ait_type_t) (_vl)->val_type)
155: #define AIT_LEN(_vl) (_vl)->val_len
156: #define AIT_KEY(_vl) (_vl)->val_key
157: #define AIT_RAW(_vl) (_vl)->val.net
158: #define AIT_ADDR(_vl) (_vl)->val.ptr
159: #define AIT_IN(_vl) (_vl)->val_in
160: #define AIT_BE(_vl) (_vl)->val_be
161: #define AIT_LE(_vl) (_vl)->val_le
162: #define AIT_BLOB_CHUNKS(_vl, _n) (AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
163: #define AIT_ISEMPTY(_vl) (AIT_TYPE((_vl)) == empty)
164:
165: #define AIT_GET_LIKE(_vl, _type) ((_type) AIT_ADDR((_vl)))
166:
167: #define AIT_GET_PTR(_vl) (assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
168: #define AIT_GET_DATA(_vl) (assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
169: #define AIT_GET_BUF(_vl) (assert(AIT_TYPE((_vl)) == buffer), (_vl)->val.buffer)
170: #define AIT_GET_STR(_vl) (assert(AIT_TYPE((_vl)) == string), (char*) (_vl)->val.string)
171: #define AIT_GET_BLOB(_vl) (assert(AIT_TYPE((_vl)) == blob), (_vl)->val.blob)
172: #define AIT_GET_U8(_vl) (assert(AIT_TYPE((_vl)) == u8), (_vl)->val.u8)
173: #define AIT_GET_U16(_vl) (assert(AIT_TYPE((_vl)) == u16), (_vl)->val.u16)
174: #define AIT_GET_U32(_vl) (assert(AIT_TYPE((_vl)) == u32), (_vl)->val.u32)
175: #define AIT_GET_U64(_vl) (assert(AIT_TYPE((_vl)) == u64), (_vl)->val.u64)
176: #define AIT_GET_I8(_vl) (assert(AIT_TYPE((_vl)) == i8), (_vl)->val.i8)
177: #define AIT_GET_I16(_vl) (assert(AIT_TYPE((_vl)) == i16), (_vl)->val.i16)
178: #define AIT_GET_I32(_vl) (assert(AIT_TYPE((_vl)) == i32), (_vl)->val.i32)
179: #define AIT_GET_I64(_vl) (assert(AIT_TYPE((_vl)) == i64), (_vl)->val.i64)
180: #define AIT_GET_F32(_vl) (assert(AIT_TYPE((_vl)) == f32), (_vl)->val.f32)
181: #define AIT_GET_F64(_vl) (assert(AIT_TYPE((_vl)) == f64), (_vl)->val.f64)
182:
183: #define AIT_SET_DATA(_vl, _p, _len) do { ait_val_t *__val = (_vl); \
184: __val = io_realloc(__val, sizeof(ait_val_t) + _len); \
185: if (__val) { \
186: __val->val_type = data; AIT_LEN(__val) = _len; \
187: if ((_p)) \
188: memcpy(__val->val_data, (_p), _len); \
189: } \
190: (_vl) = __val; \
191: } while (0);
192: #define AIT_SET_PTR(_vl, _p, _len) do { ait_val_t *__val = (_vl); assert(__val); \
193: __val->val_type = ptr; __val->val.ptr = _p; \
194: AIT_LEN(__val) = _len; } while (0)
195: #define AIT_RE_BUF(_vl, _len) do { ait_val_t *__val = (_vl); assert(__val); \
196: void *__ptr = io_realloc(AIT_GET_BUF(__val), _len); \
197: if (__ptr) { \
198: __val->val.buffer = __ptr; AIT_LEN(__val) = _len; \
199: } } while (0)
200: #define AIT_SET_BUF2(_vl, _c, _len) do { ait_val_t *__val = (_vl); assert(__val); \
201: __val->val.buffer = io_malloc(_len); \
202: if (__val->val.buffer) { \
203: __val->val_type = buffer; AIT_LEN(__val) = _len; \
204: memset(__val->val.buffer, _c, _len); \
205: } } while (0)
206: #define AIT_SET_BUF(_vl, _v, _len) do { ait_val_t *__val = (_vl); assert(__val); \
207: __val->val.buffer = io_malloc(_len); \
208: if (__val->val.buffer) { \
209: __val->val_type = buffer; AIT_LEN(__val) = _len; \
210: if ((_v)) \
211: memcpy(__val->val.buffer, (_v), _len); \
212: else \
213: memset(__val->val.buffer, 0, _len); \
214: } } while (0)
215: #define AIT_SET_STR(_vl, _v) do { ait_val_t *__val = (_vl); assert(__val); \
216: __val->val.string = (int8_t*) io_strdup((_v)); \
217: if (__val->val.string) { \
218: __val->val_type = string; \
219: AIT_LEN(__val) = strlen((_v)) + 1; \
220: } } while (0)
221: #define AIT_SET_STRCAT(_vl, _v) do { ait_val_t *__val = (_vl); assert(__val); \
222: assert(AIT_TYPE(__val) == string); \
223: void *__p = io_realloc(__val->val.string, \
224: AIT_LEN(__val) + strlen((_v))); \
225: if (__p) { \
226: __val->val.string = __p; \
227: AIT_LEN(__val) += strlen((_v)); \
228: strlcat((char*) __val->val.string, (_v), \
229: AIT_LEN(__val)); \
230: } } while (0)
231: #define AIT_SET_STRCPY(_vl, _v) do { ait_val_t *__val = (_vl); assert(__val); \
232: assert(AIT_TYPE(__val) == string); \
233: void *__p = io_realloc(__val->val.string, \
234: strlen((_v)) + 1); \
235: if (__p) { \
236: __val->val.string = __p; \
237: AIT_LEN(__val) = strlen((_v)) + 1; \
238: strlcpy((char*) __val->val.string, (_v), \
239: AIT_LEN(__val)); \
240: } } while (0)
241: #define AIT_SET_BLOB(_vl, _n, _len) do { ait_val_t *__val = (_vl); assert(__val); \
242: __val->val_type = blob; __val->val.blob = _n; \
243: AIT_LEN(__val) = _len; } while (0)
244: #define AIT_SET_BLOB2(_vl, _bv) do { ait_val_t *__val = (_vl); assert(__val); assert((_bv)); \
245: __val->val_type = blob; AIT_LEN(__val) = \
246: (_bv)->blob_len; \
247: __val->val.blob = (_bv)->blob_var; } while (0)
248: #define AIT_NEW_BLOB(_vl, _len) AIT_SET_BLOB((_vl), 0, _len)
249:
250: #define AIT_SET_U8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
251: __val->val_type = u8; __val->val.u8 = _n; \
252: AIT_LEN(__val) = sizeof(uint8_t); } while (0)
253: #define AIT_SET_U16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
254: __val->val_type = u16; __val->val.u16 = _n; \
255: AIT_LEN(__val) = sizeof(uint16_t); } while (0)
256: #define AIT_SET_U32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
257: __val->val_type = u32; __val->val.u32 = _n; \
258: AIT_LEN(__val) = sizeof(uint32_t); } while (0)
259: #define AIT_SET_U64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
260: __val->val_type = u64; __val->val.u64 = _n; \
261: AIT_LEN(__val) = sizeof(uint64_t); } while (0)
262: #define AIT_SET_I8(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
263: __val->val_type = i8; __val->val.i8 = _n; \
264: AIT_LEN(__val) = sizeof(int8_t); } while (0)
265: #define AIT_SET_I16(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
266: __val->val_type = i16; __val->val.i16 = _n; \
267: AIT_LEN(__val) = sizeof(int16_t); } while (0)
268: #define AIT_SET_I32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
269: __val->val_type = i32; __val->val.i32 = _n; \
270: AIT_LEN(__val) = sizeof(int32_t); } while (0)
271: #define AIT_SET_I64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
272: __val->val_type = i64; __val->val.i64 = _n; \
273: AIT_LEN(__val) = sizeof(int64_t); } while (0)
274: #define AIT_SET_F32(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
275: __val->val_type = f32; __val->val.f32 = _n; \
276: AIT_LEN(__val) = sizeof(float); } while (0)
277: #define AIT_SET_F64(_vl, _n) do { ait_val_t *__val = (_vl); assert(__val); \
278: __val->val_type = f64; __val->val.f64 = _n; \
279: AIT_LEN(__val) = sizeof(double); } while (0)
280:
281: #define AIT_COPY_VAL(_vl, _v) do { memcpy((_vl), (_v), sizeof(ait_val_t)); \
282: switch (AIT_TYPE((_vl))) { \
283: case buffer: \
284: AIT_SET_BUF((_vl), \
285: AIT_GET_BUF((_v)), \
286: AIT_LEN((_v))); \
287: break; \
288: case string: \
289: AIT_SET_STR((_vl), \
290: AIT_GET_STR((_v))); \
291: break; \
292: default: \
293: break; \
294: } \
295: } while (0)
296: #define AIT_COPY_VAL2(_vl, _v) do { AIT_COPY_VAL((_vl), (_v)); \
297: if (AIT_TYPE((_vl)) == data) \
298: AIT_SET_DATA((_vl), AIT_GET_DATA((_v)), \
299: AIT_LEN((_v))); \
300: } while (0)
301:
302: #define AIT_INIT_VAL(_vl) (memset((_vl), 0, sizeof(ait_val_t)))
303: #define AIT_INIT_VAL2(_vl, _t) do { \
304: AIT_INIT_VAL((_vl)); \
305: (_vl)->val_type = _t; \
306: } while (0)
307: /* if attribute zeroCopy is set not execute io_free() */
308: #define AIT_FREE_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
309: switch (AIT_TYPE(__val)) { \
310: case buffer: \
311: if (!__val->val_in && \
312: __val->val.buffer) \
313: io_free(__val->val.buffer); \
314: __val->val.buffer = NULL; \
315: break; \
316: case string: \
317: if (!__val->val_in && \
318: __val->val.string) \
319: io_free(__val->val.string); \
320: __val->val.string = NULL; \
321: break; \
322: default: \
323: break; \
324: } \
325: __val->val_type = empty; \
326: __val->val_opt ^= __val->val_opt; \
327: AIT_LEN(__val) = 0; \
328: AIT_KEY(__val) = 0; \
329: } while (0)
330: #define AIT_ZERO_VAL(_vl) do { ait_val_t *__val = (_vl); assert(__val); \
331: switch (AIT_TYPE(__val)) { \
332: case buffer: \
333: case string: \
334: memset(__val->val.buffer, 0, \
335: AIT_LEN(__val)); \
336: break; \
337: case data: \
338: memset(__val->val_data, 0, \
339: AIT_LEN(__val)); \
340: break; \
341: default: \
342: __val->val.net = 0LL; \
343: break; \
344: } \
345: AIT_KEY(__val) = 0; \
346: } while (0)
347:
348: struct io_ether_addr {
349: u_int8_t ether_addr_octet[6];
350: };
351: typedef struct io_ether_addr io_ether_addr_t;
352:
353: typedef union {
354: struct sockaddr_storage ss;
355: struct sockaddr sa;
356: struct sockaddr_un sun;
357: struct sockaddr_in sin;
358: struct sockaddr_in6 sin6;
359: struct sockaddr_dl sdl;
360: } io_sockaddr_t;
361: #define IO_SOCKADDR_INIT { .ss = { 0 } }
362:
363:
364: #define io_align(x, a) (((x) + (a)) & ~(a))
365:
366:
367: // io_GetErrno() Get error code of last operation
368: inline int io_GetErrno();
369: // io_GetError() Get error text of last operation
370: inline const char *io_GetError();
371:
372:
373: // io_mm_inuse() Check for memory management model
374: inline int io_mm_inuse();
375:
376: /*
377: * ioLibInit() - Init libaitio library memory management
378: *
379: * @mm = memory management (IO_SYSM or IO_MPOOL)
380: * @maxmem = memory limit
381: * return: -1 error or !=-1 used memory management model
382: */
383: inline int ioLibInit(int mm, unsigned long maxmem);
384: /*
385: * ioLibFini() - Finish libaitio library memory management
386: *
387: * return: none
388: */
389: inline void ioLibFini();
390:
391: /* memory management hooks */
392: extern void *(*io_malloc)(size_t);
393: extern void *(*io_calloc)(size_t, size_t);
394: extern void *(*io_realloc)(void*, size_t);
395: extern char *(*io_strdup)(const char*);
396: extern void (*io_free)(void*);
397:
398:
399: /*
400: * io_ether_ntoa() - Convert ethernet address to string
401: *
402: * @n = ethernet address structure, like struct ether_addr
403: * @a = string
404: * @len = string length
405: * return: NULL error or !=NULL string a
406: */
407: inline char *io_ether_ntoa(const struct io_ether_addr *n, char * __restrict a, int len);
408: /*
409: * io_ether_aton() - Convert string to ethernet address
410: *
411: * @a = string
412: * @e = ethernet address structure, like struct ether_addr
413: * return: NULL error or !=NULL ethernet address structure
414: */
415: inline struct io_ether_addr *io_ether_aton(const char *a, struct io_ether_addr *e);
416: /*
417: * io_n2port() - Extract port from network structure
418: *
419: * @addr = Address
420: * return: 0 not supported family type or port number
421: */
422: inline u_short io_n2port(io_sockaddr_t * __restrict addr);
423: /*
424: * io_n2addr() - Extract address from network structure
425: *
426: * @addr = Address
427: * @val = Value for store string address
428: * return: NULL error or !=NULL string address from val
429: */
430: const char *io_n2addr(io_sockaddr_t * __restrict addr, ait_val_t * __restrict val);
431: /*
432: * io_gethostbyname() - Get host and port and make network structure
433: *
434: * @psHost = Hostname
435: * @port = Port
436: * @addr = Network address structure
437: * return: NULL error or !=NULL network structure
438: */
439: io_sockaddr_t *io_gethostbyname(const char *psHost, unsigned short port,
440: io_sockaddr_t * __restrict addr);
441:
442: /*
443: * io_vars2buffer() - Marshaling data from array with variables to buffer
444: *
445: * @buf = Buffer
446: * @buflen = Size of buffer
447: * @vars = Variable array
448: * return: -1 error, 0 nothing done or >0 size of marshaled data
449: */
450: inline int io_vars2buffer(unsigned char * __restrict buf, int buflen,
451: array_t * __restrict vars);
452: /*
453: * io_buffer2vars() - De-marshaling data from buffer to array with variables
454: *
455: * @buf = Buffer
456: * @buflen = Size of buffer
457: * @vnum = Number of variables into buffer
458: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
459: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
460: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
461: */
462: inline array_t *io_buffer2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
463: /*
464: * io_vars2map() - Marshaling data from array with variables to memory map
465: *
466: * @buf = Buffer
467: * @buflen = Size of buffer
468: * @vars = Variable array
469: * return: -1 error, 0 nothing done or >0 size of marshaled data
470: */
471: inline int io_vars2map(unsigned char * __restrict buf, int buflen,
472: array_t * __restrict vars);
473: /*
474: * io_map2vars() - De-marshaling data from memory map to array with variables
475: *
476: * @buf = Buffer
477: * @buflen = Size of buffer
478: * @vnum = Number of variables into buffer
479: * @zcpy = Zero-copy for variables, if !=0 don't use io_arrayFree() for free variables and
480: *DON'T MODIFY OR DESTROY BUFFER*. =0 call io_arrayFree() before io_arrayDestroy()
481: * return: =NULL error, !=NULL allocated variable array, after use must free with io_arrayDestroy()
482: */
483: inline array_t *io_map2vars(unsigned char * __restrict buf, int buflen, int vnum, int zcpy);
484:
485: /*
486: * io_allocVar() - Allocate memory for variable
487: *
488: * return: NULL error or new variable, after use free variable with io_freeVar()
489: */
490: inline ait_val_t *io_allocVar(void);
491: /*
492: * io_freeVar() - Free allocated memory for variable
493: *
494: * @val = Variable
495: * return: none
496: */
497: inline void io_freeVar(ait_val_t ** __restrict val);
498: /*
499: * io_allocVars() - Allocate ait_val_t array
500: *
501: * @varnum = Number of variables
502: * return: =NULL error or !=NULL allocated array
503: */
504: inline array_t *io_allocVars(int varnum);
505: /*
506: * io_clrVars() - Clear ait_val_t elements from array
507: *
508: * @vars = Variable array
509: * return: -1 error or size of array
510: */
511: inline int io_clrVars(array_t * __restrict vars);
512: /*
513: * io_freeVars() - Free ait_val_t array
514: *
515: * @vars = Variable array
516: * return: none
517: */
518: inline void io_freeVars(array_t ** __restrict vars);
519: /*
520: * io_getVars() - Get ait_val_t element from array and if not exists allocate it
521: *
522: * @vars = Variable array
523: * @n = index of variable into array
524: * return: NULL error or !=NULL ait_val_t element
525: */
526: inline ait_val_t *io_getVars(array_t ** __restrict vars, int n);
527: /*
528: * io_sortVarsByKey() - Sorting array with variables by key
529: *
530: * @vars = Variable array
531: * @order = Sort order. If =0 ascend or !=0 descend
532: * return: none
533: */
534: inline void io_sortVarsByKey(array_t * __restrict vars, int order);
535: /*
536: * io_sortVarsByVal() - Sorting array with variables by value
537: *
538: * @vars = Variable array
539: * @order = Sort order. If =0 ascend or !=0 descend
540: * @cmp = Custom compare function for sorting. If =NULL compare by value
541: * return: none
542: */
543: inline void io_sortVarsByVal(array_t * __restrict vars, int order,
544: int (*cmp)(const void*, const void*));
545: /*
546: * io_findKeyVars() - Find variable by key from array
547: *
548: * @vars = Variables
549: * @key = Search key
550: * return: NULL error or not found, !=NULL valid element
551: */
552: ait_val_t *io_findKeyVars(array_t * __restrict vars, u_short key);
553:
554:
555: /*
556: * ioPromptRead() - Read data from input h[0] with prompt to output h[1]
557: *
558: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
559: * @csPrompt = Prompt before input, may be NULL
560: * @psData = Readed data
561: * @dataLen = Length of data
562: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
563: */
564: int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
565: /*
566: * ioPromptPassword() - Read password from input h[0] with prompt to output h[1]
567: *
568: * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
569: * @csPrompt = Prompt before input, may be NULL
570: * @psPass = Readed password
571: * @passLen = Length of password
572: * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
573: * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
574: */
575: int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);
576:
577: /*
578: * ioRegexVerify() - Function for verify data match in regex expression
579: *
580: * @csRegex = Regulare expression pattern
581: * @csData = Data for check and verify
582: * @startPos = Return start positions
583: * @endPos = Return end positions
584: * return: NULL not match or error; !=NULL begin of matched data
585: */
586: const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
587: /*
588: * ioRegexGet() - Function for get data match in regex expression
589: *
590: * @csRegex = Regulare expression pattern
591: * @csData = Data from get
592: * @psString = Returned string if match
593: * @strLen = Length of string
594: * return: 0 not match; >0 count of returned chars
595: */
596: int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
597: /*
598: * ioRegexReplace() - Function for replace data match in regex expression with newdata
599: *
600: * @csRegex = Regulare expression pattern
601: * @csData = Source data
602: * @csNew = Data for replace
603: * return: NULL not match or error; !=NULL allocated new string, must be io_free after use!
604: */
605: char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);
606:
607: /*
608: * ioStrAst() - Function for evaluate string like asterisk variable "{text[:[-]#[:#]]}"
609: *
610: * @csString = Input string
611: * return: NULL error, !=NULL Allocated new string evaluated from input string, must be io_free()
612: */
613: char *ioStrAst(const char *csString);
614:
615: /*
616: * io_UnquotStr() - Remove quots from input text string
617: *
618: * @psLine = Text string
619: * return: 0 nothing to do; 1 successful unquoted string
620: */
621: inline int io_UnquotStr(char * __restrict psLine);
622: /*
623: * io_LTrimStr() - Remove left whitespaces from text string
624: *
625: * @psLine = Text string
626: * return: 0 nothing to do; !=0 Removed bytes
627: */
628: inline int io_LTrimStr(char * __restrict psLine);
629: /*
630: * io_RTrimStr() - Remove right whitespaces from text string
631: *
632: * @psLine = Text string
633: * return: 0 nothing to do; !=0 Removed bytes
634: */
635: inline int io_RTrimStr(char * __restrict psLine);
636: /*
637: * io_TrimStr() - Remove left and right whitespaces from text string
638: *
639: * @psLine = Text string
640: * return: 0 nothing to do; !=0 Removed bytes
641: */
642: inline int io_TrimStr(char * __restrict psLine);
643: /*
644: * io_Ch2Hex() - Convert from Char string to Hex string
645: *
646: * @psLine = Text string
647: * @lineLen = Length of Text string
648: * return: NULL nothing to do or error; !=0 Allocated new converted data without term\0 (must be io_free)
649: */
650: inline unsigned char *io_Ch2Hex(unsigned char *psLine, int lineLen);
651: /*
652: * io_Hex2Ch() - Convert from Hex string to Char string
653: *
654: * @psLine = Text string
655: * @lineLen = Length of Text string
656: * return: NULL nothing to do or error; !=0 Allocated new converted string(must be io_free)
657: */
658: inline char *io_Hex2Ch(unsigned char *psLine, int lineLen);
659:
660: /*
661: * io_Path2File() - Parse and make path/filename pair
662: *
663: * @csArgs = Input argument line
664: * @psPath = Output Path, if ==NULL path not returned
665: * @pathLen = Size of path array
666: * @psFile = Output File
667: * @fileLen = Size of file array
668: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
669: */
670: inline int
671: io_Path2File(const char * __restrict csArgs, char * __restrict psPath,
672: int pathLen, char * __restrict psFile, int fileLen);
673:
674: /*
675: * io_arrayInit() - Create and initialize dynamic array
676: *
677: * @numItems = Number of Items
678: * return: NULL error, != NULL allocated memory for array
679: */
680: inline array_t *io_arrayInit(int numItems);
681: /*
682: * io_arrayDestroy() - Free and destroy dynamic array
683: *
684: * @parr = Array
685: * return: none
686: */
687: inline void io_arrayDestroy(array_t ** __restrict parr);
688: /*
689: * io_arrayFree() - Free all data in dynamic array items
690: * (WARNING! If assign static array dont use this!!!)
691: *
692: * @arr = Array
693: * return: none
694: */
695: inline void io_arrayFree(array_t * __restrict arr);
696: /*
697: * io_arrayFrom() - Create and fill array from array with pointers
698: *
699: * @pargv = Array with pointers
700: * @argc = Number of Items, if 0 walk through argv and stop when reach NULL item
701: * return: NULL error, != NULL allocated new array
702: */
703: inline array_t *io_arrayFrom(const char *** __restrict pargv, int argc);
704: /*
705: * io_arrayTo() - Create and fill array with pointers from dynamic array
706: *
707: * @arr = Array
708: * return: NULL error, != NULL allocated memory for array, NULL terminated
709: */
710: inline char **io_arrayTo(array_t * __restrict arr);
711: /*
712: * io_arrayLen() - Get last used element in dynamic array (array Length)
713: *
714: * @arr = Array
715: * return: -1 empty or >-1 position of last used element
716: */
717: inline int io_arrayLen(array_t * __restrict arr);
718: /*
719: * io_arrayConcat() Concat source array to destination array
720: *
721: * @dest = Destination array
722: * @src = Source array
723: * return: -1 error; >0 new count of destination array
724: */
725: int io_arrayConcat(array_t * __restrict dest, array_t * __restrict src);
726: /*
727: * io_arrayCopy() Copy source array to destination array
728: *
729: * @dest = Destination array, after use free with io_arrayDestroy()
730: * @src = Source array
731: * return: -1 error; >0 count of destination array
732: */
733: int io_arrayCopy(array_t ** __restrict dest, array_t * __restrict src);
734: /*
735: * io_arrayGrow() - Grow/Shrink dynamic array, Use with care when it shrink!!!
736: *
737: * @arr = Array
738: * @newNumItems = Number of Items
739: * @freeShrink = Free elements before shrink array
740: * return: -1 error, 0 ok
741: */
742: int io_arrayGrow(array_t * __restrict arr, int newNumItems, int freeShrink);
743: /*
744: * io_arrayVacuum() - Vacuum dynamic array, empty elements will be deleted
745: *
746: * @arr = Array
747: * @fromWhere = 1 begin, 2 ALL empty elements
748: * return: -1 error, 0 ok
749: */
750: int io_arrayVacuum(array_t * __restrict arr, int fromWhere);
751:
752: #define io_arraySize(_arr) ((_arr) ? (_arr)->arr_num : 0)
753: #define io_arrayLast(_arr) (io_arraySize((_arr)) ? (_arr)->arr_last : -1)
754: #define io_arrayZero(_arr) (assert((_arr)), memset((_arr)->arr_data, 0, \
755: io_arraySize((_arr)) * sizeof(void*)))
756:
757: #define io_arrayGet2(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), ((_arr)->arr_data + _d))
758: #define io_arrayGet(_arr, _d) (assert((_arr) && (_arr)->arr_num > _d), (_arr)->arr_data[_d])
759: #define io_array(_arr, _d, _type) (assert((_arr) && (_arr)->arr_num > _d), \
760: ((_type) (_arr)->arr_data[_d]))
761: #define io_arraySet(_arr, _d, _ptr) do { \
762: assert((_arr) && (_arr)->arr_num > _d); \
763: if ((_arr)->arr_last < _d) \
764: (_arr)->arr_last = _d; \
765: (_arr)->arr_data[_d] = (void*) (_ptr); \
766: } while (0)
767: #define io_arrayDel(_arr, _d, _fri) do { \
768: assert((_arr) && (_arr)->arr_num > _d); \
769: if (_fri && (_arr)->arr_data[_d]) \
770: free((_arr)->arr_data[_d]); \
771: (_arr)->arr_data[_d] = NULL; \
772: } while (0)
773:
774: /*
775: * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array
776: *
777: * @arr = Array
778: * @n = Position
779: * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
780: * return: -1 error or !=-1 return element at position
781: */
782: inline void *io_arrayElem(array_t * __restrict arr, int n, void *data);
783: /*
784: * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
785: *
786: * @arr = Array
787: * @data = Element, if set NULL return only first empty position
788: * @mayGrow = Array may to grow, if not enough room for new element
789: * return: -1 not found empty position, array is full!, >-1 return position of stored element into array
790: */
791: inline int io_arrayPush(array_t * __restrict arr, void **data, int mayGrow);
792: /*
793: * io_arrayPop() - Pop element from dynamic array like stack manner, last used position
794: *
795: * @arr = Array
796: * @data = Element, if set NULL return only last used position
797: * @delAfter = Delete after Pop element, !=0 delete element from array after return data
798: * return: -1 not found used position, array is empty!, >-1 return element position
799: */
800: inline int io_arrayPop(array_t * __restrict arr, void ** __restrict data, int delAfter);
801:
802: /*
803: * io_argsNum() - Parse and calculate number of arguments
804: *
805: * @csArgs = Input arguments line
806: * @csDelim = Delimiter(s) for separate
807: * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
808: */
809: inline int io_argsNum(const char *csArgs, const char *csDelim);
810:
811: /*
812: * io_arrayMake() - Parse and make array from arguments ... (input string will be modified!!!
813: * and output array must be free with io_arrayDestroy() after use!)
814: *
815: * @psArgs = Input arguments line, after execute string is modified!!!
816: * @nargs = Maximum requested count of arguments from input string psArgs, if 0 all psArgs
817: * @csDelim = Delimiter(s) for separate
818: * @parr = Output array of arguments ... (must be io_free with io_arrayDestroy() after use!)
819: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
820: */
821: int io_arrayMake(char * __restrict psArgs, int nargs, const char *csDelim,
822: array_t ** __restrict parr);
823:
824: /*
825: * io_MakeAV() - Parse and make attribute/value pair
826: *
827: * @csArgs = Input argument line
828: * @csDelim = Delimiter for separate
829: * @psAttr = Output Attribute
830: * @attrLen = Size of attribute array
831: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
832: * @valLen = Size of value array
833: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
834: */
835: int io_MakeAV(const char * __restrict csArgs, const char *csDelim,
836: char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
837: /*
838: * io_MakeAV2() Parse and make attribute/value pair over input string
839: *
840: * @csArgs = Input argument line, will be modified!
841: * @csDelim = Delimiter for separate
842: * @psAttr = Output Attribute
843: * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
844: * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
845: */
846: int io_MakeAV2(char * __restrict psArgs, const char *csDelim,
847: char ** __restrict psAttr, char ** __restrict psValue);
848:
849: /*
850: * io_sarrInit() - Create and initialize dynamic split-order array
851: *
852: * @numItems = Number of Items
853: * @segLen = Length of segment
854: * return: NULL error, != NULL allocated memory for array
855: */
856: inline sarr_t *io_sarrInit(int numItems, int segLen);
857: /*
858: * io_sarrDestroy() - Free all data in dynamic split-order array and Destroy array
859: *
860: * @parr = Array
861: * return: none
862: */
863: inline void io_sarrDestroy(sarr_t ** __restrict parr);
864: /*
865: * io_sarrGrow() - Grow/Shrink dynamic split-order array, Use with care when it shrink!!!
866: *
867: * @arr = Array
868: * @newNumItems = Number of Items
869: * return: -1 error, 0 ok
870: */
871: int io_sarrGrow(sarr_t * __restrict arr, int newNumItems);
872: /*
873: * io_sarrVacuum() - Vacuum dynamic split-order array, empty segments will be freed
874: *
875: * @arr = Array
876: * return: -1 error, >-1 freed segments
877: */
878: inline int io_sarrVacuum(sarr_t * __restrict arr);
879: #define io_sarrSize(_arr) ((_arr) ? (_arr)->sarr_num : 0)
880: #define io_sarrSeg(_arr) (assert((_arr)), (_arr)->sarr_seg)
881: /*
882: * io_sarrCopy() Copy source split array to destination split array
883: *
884: * @dest = Destination split array, after use free with io_sarrDestroy()
885: * @src = Source split array
886: * return: -1 error; >0 count of destination split array
887: */
888: int io_sarrCopy(sarr_t ** __restrict dest, sarr_t * __restrict src);
889: /*
890: * io_sarrGet() - Get element from dynamic split-order array
891: *
892: * @arr = Array
893: * @idx = Index (warning 1st element is at position 1)
894: * return: NULL not found, !=NULL element
895: */
896: inline void *io_sarrGet(sarr_t * __restrict arr, unsigned int idx);
897: /*
898: * io_sarrGet2() - Always get element from dynamic split-order array
899: * Function automatic grow array. Good use for Hash tables!
900: *
901: * @arr = Array
902: * @idx = Index (warning 1st element is at position 1)
903: * return: NULL not found, !=NULL element
904: */
905: void *io_sarrGet2(sarr_t * __restrict arr, unsigned int idx);
906: /*
907: * io_sarrSet() - Set element to dynamic split-order array
908: *
909: * @arr = Array
910: * @idx = Index (warning 1st element is at position 1)
911: * @data = Value
912: * return: NULL error or empty, !=NULL old value in element
913: */
914: inline void *io_sarrSet(sarr_t * __restrict arr, unsigned int idx, void *data);
915: #define io_sarrDel(_arr, _idx) io_sarrSet((_arr), _idx, NULL)
916: #define io_sarr(_arr, _idx, _type) (_type)io_sarrGet((_arr), _idx)
917: /*
918: * io_sarr2array() - Convert from split-order array to dynamic array
919: *
920: * @sa = split array
921: * @sarrFree = after convert split array !=0 will be destroyed sarray
922: * return: NULL error or != NULL new array
923: */
924: array_t *io_sarr2array(sarr_t ** __restrict sa, int sarrFree);
925: /*
926: * io_array2sarr() - Convert from dynamic array to split-order array
927: *
928: * @a = array
929: * @segLen = Length of segment
930: * @arrFree = after convert array !=0 will be destroyed
931: * return: NULL error or != NULL new sarr
932: */
933: sarr_t *io_array2sarr(array_t ** __restrict a, int segLen, int arrFree);
934:
935: /*
936: * io_CopyEnv() - Copy environment to new environment array;
937: *
938: * @oldenv = Environment array
939: * return: NULL error; !=NULL Allocated new environment array(must be io_free)
940: */
941: char **io_CopyEnv(const char **oldenv);
942: /*
943: * io_ExecArgs() - Build exec arguments from other array
944: *
945: * @psProg = Program name for execute
946: * @oldarg = Arguments array
947: * return: NULL error; !=NULL Allocated execution array(must be io_free)
948: */
949: char **io_ExecArgs(const char *psProg, const char **oldarg);
950: /*
951: * io_FreeNullTerm() - Free dynamic allocated null terminated array with strings
952: *
953: * @arr = Pointer to array for free
954: * return: none
955: */
956: inline void io_FreeNullTerm(char *** __restrict arr);
957:
958: /*
959: * ioMkDir() - Function for racursive directory creation and validation
960: *
961: * @csDir = Full directory path
962: * @mode = Mode for directory creation if missing dir
963: * return: -1 error, 0 directory path exist, >0 created missing dirs
964: */
965: int ioMkDir(const char *csDir, int mode);
966:
967: /*
968: * ioWatchDirLoop() - Function for watching changes in directory and fire callback
969: *
970: * @csDir = Full directory path
971: * @callback = Callback if raise event! nOp -1 delete, 0 change/move, 1 create
972: * return: -1 error, !=-1 ok, number of total signaled events
973: */
974: int ioWatchDirLoop(const char *csDir, int (*callback)(const char *csName, int nOp));
975:
976:
977: /*
978: * io_rread() - Raw VFS read function
979: *
980: * @fd = File handle
981: * @buf = Read buffer
982: * @nbytes = Read buffer size
983: * @offset = Read from position, if -1 read nbytes from current position
984: * @update = Update file handle position !0
985: * return: -1 error or !=-1 readed bytes
986: */
987: inline int io_rread(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
988: /*
989: * io_rwrite() - Raw VFS write function
990: *
991: * @fd = File handle
992: * @buf = Write buffer
993: * @nbytes = Write bytes from buffer
994: * @offset = Write at position, if -1 write nbytes from current position
995: * @update = Update file handle position !0
996: * return: -1 error or !=-1 writed bytes
997: */
998: inline int io_rwrite(int fd, void * __restrict buf, size_t nbytes, off_t offset, int update);
999:
1000: /* Disk I/O helper macros */
1001: #define io_read(f, b, n) io_rread(f, b, n, -1, 1)
1002: #define io_write(f, b, n) io_rwrite(f, b, n, -1, 1)
1003:
1004:
1005: /* Debug helper macros */
1006: extern int io_Debug;
1007:
1008: #define io_enableDEBUG int io_Debug
1009: #define io_initDebug(x) (io_Debug = (x))
1010: #define io_incDebug (io_Debug++)
1011: #define io_decDebug (io_Debug--)
1012:
1013: /* Debug macros */
1014: #define ioVERBOSE(x) if ((x) <= io_Debug)
1015: #define ioTRACE(x) if ((x) <= io_Debug) \
1016: syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
1017: #define ioDEBUG(x, fmt, ...) do { \
1018: assert((fmt)); \
1019: char str[STRSIZ] = { 0 }; \
1020: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1021: if ((x) <= io_Debug) \
1022: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1023: (x), __func__, __LINE__, str); \
1024: } while (0)
1025:
1026: /* Logger macro */
1027: #define ioLOGGER(x, fmt, ...) do { \
1028: assert((fmt)); \
1029: char str[STRSIZ] = { 0 }; \
1030: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1031: syslog((x), "Logger:%s(%d): %s\n", \
1032: __func__, __LINE__, str); \
1033: } while (0)
1034:
1035: /* Error state macros */
1036: #define ioERROR(x, fmt, ...) do { \
1037: assert((fmt)); \
1038: char str[STRSIZ] = { 0 }; \
1039: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
1040: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1041: __func__, __LINE__, (x), str); \
1042: } while (0)
1043: #define ioSYSERR(x) do { \
1044: if (x > 0 || errno) \
1045: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
1046: __func__, __LINE__, x > 0 ? x : errno, \
1047: strerror(x > 0 ? x : errno)); \
1048: } while (0)
1049: #define ioLIBERR(ait) do { \
1050: if (ait##_GetErrno()) \
1051: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
1052: __func__, __LINE__, ait##_GetErrno(), \
1053: ait##_GetError()); \
1054: } while (0)
1055:
1056:
1057: /* Crypto framework */
1058:
1059: /*
1060: * ioCipher() - Cipher wrapper for all supported crypto algorythms
1061: *
1062: * @pInput = input buffer
1063: * @inLen = input buffer len
1064: * @ppOutput = output allocated buffe, must be io_free after use
1065: * @Cipher = cipher engine, like EVP_bf_cbc() or etc...
1066: * @pKey = key
1067: * @pIV = IV, salt (8 bytes)
1068: * @nMode = Mode 0 - decrypting or 1 - encrypting
1069: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1070: */
1071: int ioCipher(unsigned char *pInput, int inLen, unsigned char **ppOutput, const EVP_CIPHER *Cipher,
1072: unsigned char *pKey, unsigned char *pIV, int nMode);
1073:
1074: /*
1075: * io_Blowfish() - Blowfish cipher algorythm, work with ASCII hex strings
1076: *
1077: * @pInput = input buffer
1078: * @inLen = input buffer len
1079: * @ppOutput = output allocated buffe, must be io_free after use
1080: * @pKey = key
1081: * @pIV = IV, salt (8 bytes)
1082: * @nMode = Mode 0 - decrypting or 1 - encrypting
1083: * return: 0 not present data or error!; >0 number of processed and returned bytes into ppOutput
1084: */
1085: int io_Blowfish(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1086: unsigned char *pKey, unsigned char *pIV, int nMode);
1087: /*
1088: * io_ctr_AES() - Encrypt/Decrypt stream cipher CTR_AES
1089: *
1090: * @pInput = Input buffer with ASCII
1091: * @inLen = Input buffer data length
1092: * @ppOutput = Output buffer with cipher data, must be io_free after use
1093: * @pKey = Key
1094: * @IV = IVector/Nonce/Counter, Warning: IV must be variable, because we write there!!!
1095: * return: -1 error or >-1 how many cipher blocks proceeded
1096: */
1097: int io_ctr_AES(unsigned char *pInput, int inLen, unsigned char **ppOutput,
1098: unsigned char *pKey, unsigned char IV[AES_BLOCK_SIZE]);
1099:
1100:
1101: /*
1102: * ioAllocPTY() - Allocate new PTY and TTY
1103: *
1104: * @ptyfd = master fd, pty
1105: * @ttyfd = slave fd, tty
1106: * @name = tty device name if not null
1107: * @namesiz = name length, must be above 63 bytes.
1108: * @term = termios for terminal
1109: * @winz = winsize for terminal
1110: * return: -1 error or 0 ok
1111: */
1112: inline int ioAllocPTY(int *ptyfd, int *ttyfd, char * __restrict name, int namesiz,
1113: struct termios * __restrict term, struct winsize * __restrict winz);
1114: /*
1115: * ioFreePTY() - Release PTY and TTY device
1116: *
1117: * @ptyfd = master fd, pty (==-1 skip closing pty)
1118: * @ttyname = tty filename
1119: * return: none
1120: */
1121: inline void ioFreePTY(int ptyfd, const char *ttyname);
1122: /*
1123: * ioChgWinPTY() - Change window size of PTY
1124: *
1125: * @ptyfd = master fd, pty
1126: * @row = row
1127: * @col = col
1128: * @xpxl = x pixels
1129: * @ypxl = y pixels
1130: * return: -1 error or 0 ok
1131: */
1132: inline int ioChgWinPTY(int ptyfd, unsigned short row, unsigned short col,
1133: unsigned short xpxl, unsigned short ypxl);
1134: /*
1135: * ioSetOwnerTTY() - Set owner to TTY
1136: *
1137: * @ttyname = tty filename
1138: * @UID = uid
1139: * @GID = gid
1140: * return: -1 error or 0 ok
1141: */
1142: int ioSetOwnerTTY(const char *ttyname, uid_t UID, gid_t GID);
1143: /*
1144: * ioSetSidTTY() - Makes the process's controlling TTY and sets it to sane modes.
1145: *
1146: * @ttyfd = slave fd, tty
1147: * @ttyname = tty filename
1148: * return: -1 error or 0 ok
1149: */
1150: int ioSetSidTTY(int *ttyfd, const char *ttyname);
1151: /*
1152: * ioSetRAWMode() - Enter into RAW mode
1153: *
1154: * @fd = tty fd
1155: * @otio = saved old termios for later restore if !=NULL
1156: * return: -1 error or 0 ok
1157: */
1158: inline int ioSetRAWMode(int fd, struct termios *otio);
1159: /*
1160: * ioRestoreMode() - Restore termios to tty fd
1161: *
1162: * @fd = tty fd
1163: * @tio = termios structure for restore
1164: * return: -1 error or 0 ok
1165: */
1166: inline int ioRestoreMode(int fd, struct termios tio);
1167: /*
1168: * ioForkPTY() - Fork new process with session leader and new TTY
1169: *
1170: * @ptyfd = master fd, pty
1171: * @name = tty device name if not null
1172: * @namesiz = name length, must be above 63 bytes.
1173: * @term = termios for terminal
1174: * @winz = winsize for terminal
1175: * @otio = old termios structure for restore
1176: * return: -1 error, 0 child process or >0 parent: pid of child
1177: */
1178: pid_t ioForkPTY(int *ptyfd, char * __restrict name, int namesiz, struct termios * __restrict term,
1179: struct winsize * __restrict winz, struct termios * __restrict otio);
1180:
1181: /*
1182: * ioCreatePIDFile() - Create PID file
1183: *
1184: * @csName = PID filename
1185: * @ifExists = !=0 if filename exists return error
1186: * return: -1 error or 0 ok
1187: */
1188: inline int ioCreatePIDFile(const char *csName, int ifExists);
1189:
1190: /*
1191: * ioSendFile() - AITNET sendfile() userland implementation, not dependant from OS
1192: *
1193: * @s = socket
1194: * @csFile = file for send
1195: * @sendLen = bytes to send, if 0 send all data
1196: * @offset = start file offset
1197: * @sndbuf = SO_SNDBUF value, if 0 use default
1198: * return: 0 error, >0 ok, sended bytes
1199: */
1200: size_t ioSendFile(int s, const char *csFile, size_t sendLen, off_t offset, int sndbuf);
1201: /*
1202: * ioRecvFile() - Receive file from socket, fastest (zero-copy) way
1203: *
1204: * @s = socket
1205: * @csFile = file for receive
1206: * @recvLen = receive bytes
1207: * @over = overwrite file if exists with mode like 0644
1208: * @rcvbuf = SO_RCVBUF value, if 0 use default
1209: * return: 0 error, >0 ok, received bytes
1210: */
1211: size_t ioRecvFile(int s, const char *csFile, size_t recvLen, int over, int rcvbuf);
1212:
1213:
1214: /* Buffered file access over memory block */
1215:
1216: /*
1217: * io_fmemopen() - File buffered stream operations over memory block
1218: *
1219: * @base = Base address of memory block, if =NULL Infinit length(auto-grow)
1220: * @basesize = Size of memory block
1221: * return: NULL error or !=NULL Opened file resource
1222: */
1223: FILE *io_fmemopen(void ** __restrict base, off_t basesize);
1224: /*
1225: * io_fmapopen() - File buffered stream operations over MMAP block
1226: *
1227: * @csFile = Filename for MMAP, if =NULL private MMAP block
1228: * @mode = File open mode
1229: * @perm = If file not exists will be created with this access permissions
1230: * @prot = MMAP protection
1231: * @flags = MMAP mode flags
1232: * @offset = Map from file offset, if csFile==NULL then this is size of MMAP private block
1233: * return: NULL error or !=NULL Opened file resource
1234: */
1235: FILE *io_fmapopen(const char *csFile, int mode, int perm, int prot, int flags, off_t offset);
1236: /*
1237: * io_fd2buf() - Convert open file handle to buffered file I/O
1238: *
1239: * @fd = File handle
1240: * @mode = Permissions for new buffered file I/O
1241: * return: NULL error or open buffered file
1242: */
1243: inline FILE *io_fd2buf(int fd, const char *mode);
1244: /*
1245: * io_dumbFile() - Create empry or dumb file with fixed size
1246: *
1247: * @csFile = Filename for create
1248: * @mode = File access permissions
1249: * @size = File size
1250: * return: -1 error or open file handle
1251: */
1252: int io_dumbFile(const char *csFile, int mode, off_t size);
1253:
1254:
1255: #endif
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to aitio.h CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / libaitio / inc