version 1.1.1.1.2.1, 2008/09/30 20:19:48
|
version 1.3.2.7, 2011/11/03 15:36:03
|
Line 5
|
Line 5
|
* $Author$ |
* $Author$ |
* $Id$ |
* $Id$ |
* |
* |
*************************************************************************/ | ************************************************************************** |
| 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; |
|
|
|
assert(ppsVals); |
|
if (!ppsVals) |
|
return; |
|
|
|
for (ptr = *ppsVals; *ptr; ptr++) |
|
free(*ptr); |
|
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; |
|
|
|
if (!s || !ppsVals) |
|
return -1; |
|
valz = malloc(sizeof(caddr_t)); |
|
if (!valz) { |
|
LOGERR; |
|
return -1; |
|
} else |
|
*valz = NULL; |
|
|
|
// allocated memory & mirrored shared memory into this |
|
Shared = malloc(s->eom); |
|
if (!Shared) { |
|
LOGERR; |
|
free(valz); |
|
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 |
|
i++; |
|
|
|
valz = realloc(valz, (i + 1) * sizeof(caddr_t)); |
|
if (!valz) { |
|
LOGERR; |
|
free(Shared); |
|
return -1; |
|
} else |
|
valz[i] = NULL; |
|
|
|
valz[i - 1] = strdup(peer); |
|
} |
|
|
|
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
|
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 43 int sess_GetValue(tagSess * __restrict s, const char *
|
Line 155 int sess_GetValue(tagSess * __restrict s, const char *
|
} else |
} else |
memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
|
|
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 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 103 int sess_DelValue(tagSess * __restrict s, const char *
|
Line 215 int sess_DelValue(tagSess * __restrict s, const char *
|
memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
} |
} |
|
|
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; |
|
|
strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
strcat(Buffer, "\n"); | 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 165 int sess_SetValue(tagSess * __restrict s, const char *
|
Line 276 int sess_SetValue(tagSess * __restrict s, const char *
|
memcpy(Shared, s->addr, s->eom); |
memcpy(Shared, s->addr, s->eom); |
} |
} |
|
|
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; |
} |
} |
|
|
strcat(Buffer, peer); | strlcat(Buffer, peer, s->eom); |
strcat(Buffer, "\n"); | 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, "\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; |
} |
} |
|
|
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; |
|
} |
|
|
|
|
|
/* |
|
* 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() |
|
*/ |
|
array_t * |
|
sess_prepareSession(tagSess * __restrict s, u_char useDirect) |
|
{ |
|
array_t *arr = NULL; |
|
sess_hdr_t *hdr; |
|
int ret; |
|
|
|
assert(s); |
|
if (!s) { |
|
sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
|
return NULL; |
|
} |
|
if (s->addr) { |
|
sess_SetErr(EINVAL, "Error:: already attached memory\n"); |
|
return NULL; |
|
} |
|
|
|
ATTACH_MEMORY(s); |
|
if (!s->addr) |
|
return NULL; |
|
else |
|
hdr = (sess_hdr_t*) s->addr; |
|
if (hdr->hdr_magic != SESS_AIT_MAGIC) { |
|
DETACH_MEMORY(s); |
|
|
|
sess_SetErr(EINVAL, "Error:: shared memory not contains values with proper format\n"); |
|
return NULL; |
|
} |
|
|
|
DEC_SEMAPHORE(s, ret); |
|
s->zcopy = useDirect; |
|
arr = io_map2vars(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), |
|
hdr->hdr_argc, useDirect); |
|
ADD_SEMAPHORE(s, ret); |
|
|
|
if (!s->zcopy) |
|
DETACH_MEMORY(s); |
|
return arr; |
|
} |
|
|
|
/* |
|
* sess_doneSession() Free resources allocated with sess_prepareSession() |
|
* @s = Session |
|
* @arr = Array with variables for free |
|
* return: none |
|
*/ |
|
void |
|
sess_doneSession(tagSess * __restrict s, array_t ** __restrict arr) |
|
{ |
|
assert(s); |
|
if (!s) { |
|
sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
|
return; |
|
} |
|
|
|
if (!s->zcopy) |
|
io_arrayFree(*arr); |
|
else |
|
DETACH_MEMORY(s); |
|
io_arrayDestroy(arr); |
|
} |
|
|
|
/* |
|
* 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 |
|
*/ |
|
int |
|
sess_commitSession(tagSess * __restrict s, array_t * __restrict arr) |
|
{ |
|
sess_hdr_t *hdr; |
|
int rs, ret = 0; |
|
|
|
assert(s && arr); |
|
if (!s || !arr) { |
|
sess_SetErr(EINVAL, "Error:: invalid argument\n"); |
|
return -1; |
|
} |
|
|
|
ATTACH_MEMORY(s); |
|
if (!s->addr) { |
|
DETACH_MEMORY(s); |
|
return -1; |
|
} else |
|
hdr = (sess_hdr_t*) s->addr; |
|
|
|
DEC_SEMAPHORE(s, rs); |
|
if ((ret = io_vars2map(s->addr + sizeof(sess_hdr_t), s->eom - sizeof(sess_hdr_t), arr)) != -1) { |
|
hdr->hdr_magic = SESS_AIT_MAGIC; |
|
hdr->hdr_argc = io_arraySize(arr); |
|
ret += sizeof(sess_hdr_t); |
|
} |
|
ADD_SEMAPHORE(s, rs); |
|
|
|
DETACH_MEMORY(s); |
|
return ret; |
} |
} |