version 1.1.1.1, 2008/08/28 13:18:30
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version 1.3.2.2, 2011/09/07 16:08:41
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/************************************************************************* |
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* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com> |
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* by Michael Pounov <misho@openbsd-bg.org> |
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* |
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* $Author$ |
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* $Id$ |
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* |
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************************************************************************** |
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The ELWIX and AITNET software is distributed under the following |
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terms: |
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All of the documentation and software included in the ELWIX and AITNET |
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Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
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by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
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modification, are permitted provided that the following conditions |
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are met: |
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1. Redistributions of source code must retain the above copyright |
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notice, this list of conditions and the following disclaimer. |
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2. Redistributions in binary form must reproduce the above copyright |
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notice, this list of conditions and the following disclaimer in the |
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documentation and/or other materials provided with the distribution. |
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3. All advertising materials mentioning features or use of this software |
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must display the following acknowledgement: |
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This product includes software developed by Michael Pounov <misho@elwix.org> |
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ELWIX - Embedded LightWeight unIX and its contributors. |
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4. Neither the name of AITNET nor the names of its contributors |
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may be used to endorse or promote products derived from this software |
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without specific prior written permission. |
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THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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SUCH DAMAGE. |
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*/ |
#include "global.h" |
#include "global.h" |
#include "aitsess.h" |
#include "aitsess.h" |
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/* |
/* |
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* sess_FreeValues() Free all values from value array allocated from sess_GetValues() |
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* @ppsVals = Array strings |
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* return: none |
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*/ |
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inline void |
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sess_FreeValues(char *** __restrict ppsVals) |
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{ |
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char **ptr; |
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assert(ppsVals); |
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if (!ppsVals) |
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return; |
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for (ptr = *ppsVals; *ptr; ptr++) |
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free(*ptr); |
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free(*ppsVals); |
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*ppsVals = NULL; |
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} |
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/* |
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* sess_GetValues() Get all values from session shared memory |
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* @s = Session item |
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* @ppsVals = Return array strings |
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* return: -1 error: in parameter, !=-1 count of returned strings in ppsVals (must be free after use!) |
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*/ |
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int |
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sess_GetValues(tagSess * __restrict s, char ***ppsVals) |
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{ |
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register int i; |
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char **valz, *Shared = NULL; |
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char *peer, *p_brk; |
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if (!s || !ppsVals) |
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return -1; |
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valz = malloc(sizeof(caddr_t)); |
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if (!valz) { |
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LOGERR; |
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return -1; |
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} else |
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*valz = NULL; |
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// allocated memory & mirrored shared memory into this |
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Shared = malloc(s->eom); |
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if (!Shared) { |
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LOGERR; |
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free(valz); |
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return -1; |
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} else |
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memcpy(Shared, s->addr, s->eom); |
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for (i = 0, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
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peer = strtok_r(NULL, MEM_DELIM"\r\n", &p_brk)) { |
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if (!strchr(peer, '=')) |
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continue; |
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else |
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i++; |
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valz = realloc(valz, (i + 1) * sizeof(caddr_t)); |
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if (!valz) { |
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LOGERR; |
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free(Shared); |
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return -1; |
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} else |
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valz[i] = NULL; |
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valz[i - 1] = strdup(peer); |
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} |
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free(Shared); |
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*ppsVals = valz; |
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return i; |
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} |
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/* |
* sess_GetValue() Get value from session shared memory from attribute |
* sess_GetValue() Get value from session shared memory from attribute |
* @s = Session item |
* @s = Session item |
* @csAttr = Attribute for search |
* @csAttr = Attribute for search |
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Line 130
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// *{pnLen} input is max_size of buffer & output is really taken bytes |
// *{pnLen} input is max_size of buffer & output is really taken bytes |
* return: 0 not found, -1 error: in parameter, >0 get position, if define item merged with IS_DEF |
* return: 0 not found, -1 error: in parameter, >0 get position, if define item merged with IS_DEF |
*/ |
*/ |
int sess_GetValue(tagSess * __restrict s, const char *csAttr, char *psVal, int *pnLen) | int |
| sess_GetValue(tagSess * __restrict s, const char *csAttr, char *psVal, int *pnLen) |
{ |
{ |
register int i; |
register int i; |
int def = IS_VAL; |
int def = IS_VAL; |
Line 35 int sess_GetValue(tagSess * __restrict s, const char *
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Line 155 int sess_GetValue(tagSess * __restrict s, const char *
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} else |
} else |
memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
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for (i = 1, peer = strtok_r(Shared, ":\r\n", &p_brk); peer; | for (i = 1, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
i++, peer = strtok_r(NULL, ":\r\n", &p_brk)) { | i++, peer = strtok_r(NULL, MEM_DELIM"\r\n", &p_brk)) { |
attr = strtok_r(peer, "=\r\n", &a_brk); |
attr = strtok_r(peer, "=\r\n", &a_brk); |
if (attr && !strncmp(attr, csAttr, MAX_ATTRIBUTE)) { | if (attr && !strncmp(attr, csAttr, MAX_ATTRIBUTE - 1)) { |
val = strtok_r(NULL, "=\r\n", &a_brk); |
val = strtok_r(NULL, "=\r\n", &a_brk); |
if (val && strlen(val)) { |
if (val && strlen(val)) { |
if (psVal) |
if (psVal) |
strncpy(psVal, val, *pnLen); | strlcpy(psVal, val, *pnLen); |
if (pnLen) |
if (pnLen) |
*pnLen = strlen(val); |
*pnLen = strlen(val); |
} else |
} else |
Line 63 int sess_GetValue(tagSess * __restrict s, const char *
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Line 183 int sess_GetValue(tagSess * __restrict s, const char *
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* @csAttr = Attribute for erasing |
* @csAttr = Attribute for erasing |
* return: 0 Ok, -1 error: in parameter |
* return: 0 Ok, -1 error: in parameter |
*/ |
*/ |
int sess_DelValue(tagSess * __restrict s, const char *csAttr) | int |
| sess_DelValue(tagSess * __restrict s, const char *csAttr) |
{ |
{ |
register int i; |
register int i; |
int ret, attrlen; |
int ret, attrlen; |
char *Buffer, *Shared, szAttr[MAX_ATTRIBUTE + 1]; | char *Buffer, *Shared, szAttr[MAX_ATTRIBUTE]; |
char *peer, *p_brk; |
char *peer, *p_brk; |
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if (!s || !csAttr || !*csAttr) |
if (!s || !csAttr || !*csAttr) |
Line 75 int sess_DelValue(tagSess * __restrict s, const char *
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Line 196 int sess_DelValue(tagSess * __restrict s, const char *
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else |
else |
attrlen = strlen(csAttr); |
attrlen = strlen(csAttr); |
Buffer = Shared = NULL; |
Buffer = Shared = NULL; |
memset(szAttr, 0, MAX_ATTRIBUTE + 1); | strlcpy(szAttr, csAttr, sizeof szAttr); |
strncpy(szAttr, csAttr, MAX_ATTRIBUTE - 1); | strlcat(szAttr, "=", sizeof szAttr); |
strcat(szAttr, "="); | |
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Buffer = malloc(s->eom); |
Buffer = malloc(s->eom); |
if (!Buffer) { |
if (!Buffer) { |
Line 95 int sess_DelValue(tagSess * __restrict s, const char *
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Line 215 int sess_DelValue(tagSess * __restrict s, const char *
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memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
} |
} |
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for (i = 1, peer = strtok_r(Shared, ":\r\n", &p_brk); peer; | for (i = 1, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
i++, peer = strtok_r(NULL, ":\r\n", &p_brk)) { | i++, peer = strtok_r(NULL, MEM_DELIM"\r\n", &p_brk)) { |
if (!strncmp(peer, csAttr, attrlen)) |
if (!strncmp(peer, csAttr, attrlen)) |
if (peer[attrlen] == '=' || peer[attrlen] == ':' || !peer[attrlen] || | if (peer[attrlen] == '=' || peer[attrlen] == *MEM_DELIM || !peer[attrlen] || |
peer[attrlen] == '\r' || peer[attrlen] == '\n') |
peer[attrlen] == '\r' || peer[attrlen] == '\n') |
continue; |
continue; |
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strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
} |
} |
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memset(s->addr, 0, s->eom); |
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memcpy(s->addr, Buffer, s->eom); |
memcpy(s->addr, Buffer, s->eom); |
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if (s->type == SHARED_MAP) |
if (s->type == SHARED_MAP) |
Line 126 int sess_DelValue(tagSess * __restrict s, const char *
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Line 245 int sess_DelValue(tagSess * __restrict s, const char *
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* return: 0 nothing, -1 error: in parameter, |
* return: 0 nothing, -1 error: in parameter, |
>0 set position, if add item merged with IS_ADD and if define item merged with IS_DEF |
>0 set position, if add item merged with IS_ADD and if define item merged with IS_DEF |
*/ |
*/ |
int sess_SetValue(tagSess * __restrict s, const char *csAttr, const char *psVal) | int |
| sess_SetValue(tagSess * __restrict s, const char *csAttr, const char *psVal) |
{ |
{ |
register int i; |
register int i; |
int upd, ret, def = IS_VAL; |
int upd, ret, def = IS_VAL; |
char *Buffer, *Shared, szAttr[MAX_ATTRIBUTE + 1]; | char *Buffer, *Shared, szAttr[MAX_ATTRIBUTE]; |
char *peer, *p_brk; |
char *peer, *p_brk; |
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if (!s || !csAttr || !*csAttr) |
if (!s || !csAttr || !*csAttr) |
return -1; |
return -1; |
else |
else |
Buffer = Shared = NULL; |
Buffer = Shared = NULL; |
memset(szAttr, 0, MAX_ATTRIBUTE + 1); | strlcpy(szAttr, csAttr, sizeof szAttr); |
strncpy(szAttr, csAttr, MAX_ATTRIBUTE - 1); | strlcat(szAttr, "=", sizeof szAttr); |
strcat(szAttr, "="); | |
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Buffer = malloc(s->eom); |
Buffer = malloc(s->eom); |
if (!Buffer) { |
if (!Buffer) { |
Line 157 int sess_SetValue(tagSess * __restrict s, const char *
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Line 276 int sess_SetValue(tagSess * __restrict s, const char *
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memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
} |
} |
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for (i = 1, upd = 0, peer = strtok_r(Shared, ":\r\n", &p_brk); peer; | for (i = 1, upd = 0, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
i++, peer = strtok_r(NULL, ":\r\n", &p_brk)) { | i++, peer = strtok_r(NULL, MEM_DELIM"\r\n", &p_brk)) { |
if (!strncmp(peer, szAttr, strlen(szAttr))) { |
if (!strncmp(peer, szAttr, strlen(szAttr))) { |
upd++; |
upd++; |
if (psVal) { |
if (psVal) { |
strcat(Buffer, szAttr); | strlcat(Buffer, szAttr, s->eom); |
strcat(Buffer, psVal); | strlcat(Buffer, psVal, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
} else { |
} else { |
strcat(Buffer, csAttr); | strlcat(Buffer, csAttr, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
def = IS_DEF; |
def = IS_DEF; |
} |
} |
continue; |
continue; |
} |
} |
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strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
} |
} |
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if (!upd) { |
if (!upd) { |
if (psVal) { |
if (psVal) { |
strcat(Buffer, szAttr); | strlcat(Buffer, szAttr, s->eom); |
strcat(Buffer, psVal); | strlcat(Buffer, psVal, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
} else { |
} else { |
strcat(Buffer, csAttr); | strlcat(Buffer, csAttr, s->eom); |
strcat(Buffer, "\n"); | strlcat(Buffer, MEM_DELIM, s->eom); |
def = IS_DEF; |
def = IS_DEF; |
} |
} |
def |= IS_ADD; |
def |= IS_ADD; |
} |
} |
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memset(s->addr, 0, s->eom); |
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memcpy(s->addr, Buffer, s->eom); |
memcpy(s->addr, Buffer, s->eom); |
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if (s->type == SHARED_MAP) |
if (s->type == SHARED_MAP) |
Line 200 int sess_SetValue(tagSess * __restrict s, const char *
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Line 318 int sess_SetValue(tagSess * __restrict s, const char *
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free(Shared); |
free(Shared); |
free(Buffer); |
free(Buffer); |
return upd | def; |
return upd | def; |
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} |
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/* |
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* sess_prepareSession() Attach to shared memory and de-marshaling data |
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* @s = Session |
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* @useDirect = Use direct shared memory if !=0 or snapshot of data to array |
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* return: NULL error or no data, !=NULL array with variables, |
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* after use must free resources with sess_doneSession() |
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*/ |
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array_t * |
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sess_prepareSession(tagSess * __restrict s, u_char useDirect) |
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{ |
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array_t *arr = NULL; |
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sess_hdr_t *hdr; |
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int ret; |
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assert(s); |
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if (!s) { |
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sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
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return NULL; |
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} |
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ATTACH_MEMORY(s); |
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if (!s->addr) |
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return NULL; |
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else |
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hdr = (sess_hdr_t*) s->addr; |
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if (hdr->hdr_magic != SESS_AIT_MAGIC) { |
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DETACH_MEMORY(s); |
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sess_SetErr(EINVAL, "Error:: shared memory not contains values with proper format\n"); |
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return NULL; |
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} |
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DEC_SEMAPHORE(s, ret); |
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s->zcopy = useDirect; |
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arr = io_map2vals(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), |
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hdr->hdr_argc, useDirect); |
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ADD_SEMAPHORE(s, ret); |
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if (!s->zcopy) |
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DETACH_MEMORY(s); |
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return arr; |
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} |
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/* |
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* sess_doneSession() Free resources allocated with sess_prepareSession() |
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* @s = Session |
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* @arr = Array with variables for free |
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* return: none |
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*/ |
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void |
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sess_doneSession(tagSess * __restrict s, array_t ** __restrict arr) |
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{ |
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assert(s); |
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if (!s) { |
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sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
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return; |
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} |
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if (!s->zcopy) |
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io_arrayFree(*arr); |
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else |
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DETACH_MEMORY(s); |
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io_arrayDestroy(arr); |
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} |
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/* |
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* sess_commitSession() Commit data to shared memory |
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* @s = Session |
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* @arr = Array with variables for save |
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* return -1 error or !=-1 size of stored variables into shared memory |
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*/ |
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int |
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sess_commitSession(tagSess * __restrict s, array_t * __restrict arr) |
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{ |
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sess_hdr_t *hdr; |
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int rs, ret = 0; |
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assert(s && arr); |
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if (!s || !arr) { |
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sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
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return -1; |
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} |
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if (!s->zcopy) |
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ATTACH_MEMORY(s); |
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if (!s->addr) { |
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if (!s->zcopy) |
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DETACH_MEMORY(s); |
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return -1; |
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} else |
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hdr = (sess_hdr_t*) s->addr; |
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if (hdr->hdr_magic != SESS_AIT_MAGIC) { |
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if (!s->zcopy) |
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DETACH_MEMORY(s); |
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sess_SetErr(EINVAL, "Error:: shared memory not contains values with proper format\n"); |
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return -1; |
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} |
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DEC_SEMAPHORE(s, rs); |
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if ((ret = io_vals2map(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), arr)) != -1) { |
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hdr->hdr_argc = io_arraySize(arr); |
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ret += sizeof(sess_hdr_t); |
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} |
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ADD_SEMAPHORE(s, rs); |
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if (!s->zcopy) |
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DETACH_MEMORY(s); |
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return ret; |
} |
} |