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version 1.1.1.1.2.3, 2010/08/26 07:15:57
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version 1.3.2.3, 2011/09/07 21:06:56
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| * $Author$ |
* $Author$ |
| * $Id$ |
* $Id$ |
| * |
* |
| *************************************************************************/ | ************************************************************************** |
| | The ELWIX and AITNET software is distributed under the following |
| | terms: |
| | |
| | All of the documentation and software included in the ELWIX and AITNET |
| | Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
| | |
| | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| | by Michael Pounov <misho@elwix.org>. All rights reserved. |
| | |
| | Redistribution and use in source and binary forms, with or without |
| | modification, are permitted provided that the following conditions |
| | are met: |
| | 1. Redistributions of source code must retain the above copyright |
| | notice, this list of conditions and the following disclaimer. |
| | 2. Redistributions in binary form must reproduce the above copyright |
| | notice, this list of conditions and the following disclaimer in the |
| | documentation and/or other materials provided with the distribution. |
| | 3. All advertising materials mentioning features or use of this software |
| | must display the following acknowledgement: |
| | This product includes software developed by Michael Pounov <misho@elwix.org> |
| | ELWIX - Embedded LightWeight unIX and its contributors. |
| | 4. Neither the name of AITNET nor the names of its contributors |
| | may be used to endorse or promote products derived from this software |
| | without specific prior written permission. |
| | |
| | THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND |
| | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | SUCH DAMAGE. |
| | */ |
| #include "global.h" |
#include "global.h" |
| #include "aitsess.h" |
#include "aitsess.h" |
| |
|
| |
|
| /* |
/* |
| |
* sess_FreeValues() Free all values from value array allocated from sess_GetValues() |
| |
* @ppsVals = Array strings |
| |
* return: none |
| |
*/ |
| |
inline void |
| |
sess_FreeValues(char *** __restrict ppsVals) |
| |
{ |
| |
char **ptr; |
| |
|
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assert(ppsVals); |
| |
if (!ppsVals) |
| |
return; |
| |
|
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for (ptr = *ppsVals; *ptr; ptr++) |
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free(*ptr); |
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free(*ppsVals); |
| |
*ppsVals = NULL; |
| |
} |
| |
|
| |
/* |
| |
* sess_GetValues() Get all values from session shared memory |
| |
* @s = Session item |
| |
* @ppsVals = Return array strings |
| |
* return: -1 error: in parameter, !=-1 count of returned strings in ppsVals (must be free after use!) |
| |
*/ |
| |
int |
| |
sess_GetValues(tagSess * __restrict s, char ***ppsVals) |
| |
{ |
| |
register int i; |
| |
char **valz, *Shared = NULL; |
| |
char *peer, *p_brk; |
| |
|
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if (!s || !ppsVals) |
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return -1; |
| |
valz = malloc(sizeof(caddr_t)); |
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if (!valz) { |
| |
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 |
| |
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; |
| |
} else |
| |
memcpy(Shared, s->addr, s->eom); |
| |
|
| |
for (i = 0, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
| |
peer = strtok_r(NULL, MEM_DELIM"\r\n", &p_brk)) { |
| |
if (!strchr(peer, '=')) |
| |
continue; |
| |
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; |
| |
free(Shared); |
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return -1; |
| |
} else |
| |
valz[i] = NULL; |
| |
|
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valz[i - 1] = strdup(peer); |
| |
} |
| |
|
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free(Shared); |
| |
*ppsVals = valz; |
| |
return i; |
| |
} |
| |
|
| |
/* |
| * 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 |
|
Line 19
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Line 130
|
| // *{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 46 int sess_GetValue(tagSess * __restrict s, const char *
|
Line 158 int sess_GetValue(tagSess * __restrict s, const char *
|
| for (i = 1, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
for (i = 1, peer = strtok_r(Shared, MEM_DELIM"\r\n", &p_brk); peer; |
| i++, peer = strtok_r(NULL, MEM_DELIM"\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) |
|
Line 71 int sess_GetValue(tagSess * __restrict s, const char *
|
Line 183 int sess_GetValue(tagSess * __restrict s, const char *
|
| * @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; |
| |
|
| if (!s || !csAttr || !*csAttr) |
if (!s || !csAttr || !*csAttr) |
|
Line 83 int sess_DelValue(tagSess * __restrict s, const char *
|
Line 196 int sess_DelValue(tagSess * __restrict s, const char *
|
| 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, "="); | |
| |
|
| Buffer = malloc(s->eom); |
Buffer = malloc(s->eom); |
| if (!Buffer) { |
if (!Buffer) { |
|
Line 110 int sess_DelValue(tagSess * __restrict s, const char *
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Line 222 int sess_DelValue(tagSess * __restrict s, const char *
|
| peer[attrlen] == '\r' || peer[attrlen] == '\n') |
peer[attrlen] == '\r' || peer[attrlen] == '\n') |
| continue; |
continue; |
| |
|
| strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
| strcat(Buffer, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| } |
} |
| |
|
| memset(s->addr, 0, s->eom); |
|
| memcpy(s->addr, Buffer, s->eom); |
memcpy(s->addr, Buffer, s->eom); |
| |
|
| if (s->type == SHARED_MAP) |
if (s->type == SHARED_MAP) |
|
Line 134 int sess_DelValue(tagSess * __restrict s, const char *
|
Line 245 int sess_DelValue(tagSess * __restrict s, const char *
|
| * 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; |
| |
|
| 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, "="); | |
| |
|
| Buffer = malloc(s->eom); |
Buffer = malloc(s->eom); |
| if (!Buffer) { |
if (!Buffer) { |
|
Line 170 int sess_SetValue(tagSess * __restrict s, const char *
|
Line 281 int sess_SetValue(tagSess * __restrict s, const char *
|
| 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, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| } else { |
} else { |
| strcat(Buffer, csAttr); | strlcat(Buffer, csAttr, s->eom); |
| strcat(Buffer, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| def = IS_DEF; |
def = IS_DEF; |
| } |
} |
| continue; |
continue; |
| } |
} |
| |
|
| strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
| strcat(Buffer, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| } |
} |
| |
|
| 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, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| } else { |
} else { |
| strcat(Buffer, csAttr); | strlcat(Buffer, csAttr, s->eom); |
| strcat(Buffer, MEM_DELIM); | strlcat(Buffer, MEM_DELIM, s->eom); |
| def = IS_DEF; |
def = IS_DEF; |
| } |
} |
| def |= IS_ADD; |
def |= IS_ADD; |
| } |
} |
| |
|
| memset(s->addr, 0, s->eom); |
|
| memcpy(s->addr, Buffer, s->eom); |
memcpy(s->addr, Buffer, s->eom); |
| |
|
| if (s->type == SHARED_MAP) |
if (s->type == SHARED_MAP) |
|
Line 208 int sess_SetValue(tagSess * __restrict s, const char *
|
Line 318 int sess_SetValue(tagSess * __restrict s, const char *
|
| free(Shared); |
free(Shared); |
| free(Buffer); |
free(Buffer); |
| return upd | def; |
return upd | def; |
| |
} |
| |
|
| |
|
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/* |
| |
* sess_prepareSession() Attach to shared memory and de-marshaling data |
| |
* @s = Session |
| |
* @useDirect = Use direct shared memory if !=0 or snapshot of data to array |
| |
* return: NULL error or no data, !=NULL array with variables, |
| |
* after use must free resources with sess_doneSession() |
| |
*/ |
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array_t * |
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sess_prepareSession(tagSess * __restrict s, u_char useDirect) |
| |
{ |
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array_t *arr = NULL; |
| |
sess_hdr_t *hdr; |
| |
int ret; |
| |
|
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assert(s); |
| |
if (!s) { |
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sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
| |
return NULL; |
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} |
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|
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ATTACH_MEMORY(s); |
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if (!s->addr) |
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return NULL; |
| |
else |
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hdr = (sess_hdr_t*) s->addr; |
| |
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"); |
| |
return NULL; |
| |
} |
| |
|
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DEC_SEMAPHORE(s, ret); |
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s->zcopy = useDirect; |
| |
arr = io_map2vals(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), |
| |
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() |
| |
* @s = Session |
| |
* @arr = Array with variables for free |
| |
* return: none |
| |
*/ |
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void |
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sess_doneSession(tagSess * __restrict s, array_t ** __restrict arr) |
| |
{ |
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assert(s); |
| |
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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|
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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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/* |
| |
* sess_commitSession() Commit data to shared memory |
| |
* @s = Session |
| |
* @arr = Array with variables for save |
| |
* return -1 error or !=-1 size of stored variables into shared memory |
| |
*/ |
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int |
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sess_commitSession(tagSess * __restrict s, array_t * __restrict arr) |
| |
{ |
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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"); |
| |
return -1; |
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} |
| |
|
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if (!s->zcopy) |
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ATTACH_MEMORY(s); |
| |
if (!s->addr) { |
| |
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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DEC_SEMAPHORE(s, rs); |
| |
if ((ret = io_vals2map(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), arr)) != -1) { |
| |
hdr->hdr_magic = SESS_AIT_MAGIC; |
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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); |
| |
return ret; |
| } |
} |