version 1.2, 2011/05/02 23:12:08
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version 1.8, 2012/03/29 01:34:16
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 | Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 47 SUCH DAMAGE.
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Line 47 SUCH DAMAGE.
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/* |
/* |
* rpc_srv_retValsCall() Declare return variables for RPC call and zeroed values | * rpc_srv_allocVars() - Allocate array for call variables |
(for safe handling return values, use this!) | * |
* @call = RPC function call |
* @call = RPC function call |
* @return_vals = Number of return variables | * @varnum = Number of variables, if ==0 return already allocated variables number |
* return: NULL error, !=NULL array with return values for RPC call with return_vals items | * return: -1 error, !=-1 return varnum value |
*/ |
*/ |
inline rpc_val_t * | static inline int |
rpc_srv_retValsCall(rpc_func_t * __restrict call, int return_vals) | rpc_srv_allocVars(rpc_func_t * __restrict call, int varnum) |
{ |
{ |
rpc_val_t *v = NULL; | if (!call || varnum < 0) { |
| rpc_SetErr(EINVAL, "Invalid parameter can`t allocate variables for RPC call"); |
if (rpc_srv_declValsCall(call, return_vals) == -1) | |
return NULL; | |
else | |
rpc_srv_zeroValsCall(call); | |
if (rpc_srv_getValsCall(call, &v) == -1) | |
return NULL; | |
| |
return v; | |
} | |
| |
/* | |
* rpc_srv_freeValsCall() Free return variables for RPC call | |
* @call = RPC function call | |
* return: none | |
*/ | |
inline void | |
rpc_srv_freeValsCall(rpc_func_t * __restrict call) | |
{ | |
rpc_srv_declValsCall(call, 0); | |
} | |
| |
/* | |
* rpc_srv_declValsCall() Declare return variables for RPC call, | |
if already allocated memory for RPC call return values | |
function reallocate used space with return_vals count elements | |
* @call = RPC function call | |
* @return_vals = Number of return variables | |
* return: -1 error, !=-1 ok | |
*/ | |
inline int | |
rpc_srv_declValsCall(rpc_func_t * __restrict call, int return_vals) | |
{ | |
void *ptr; | |
| |
if (!call || return_vals < 0) { | |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t declare return variables for RPC call...\n"); | |
return -1; |
return -1; |
} else | } |
call->func_args = return_vals; | |
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if (!return_vals) { | if (varnum) { |
if (call->func_vals) { | call->func_vars = io_allocVars(varnum); |
free(call->func_vals); | if (!call->func_vars) |
call->func_vals = NULL; | |
} | |
} else { | |
ptr = realloc(call->func_vals, return_vals * sizeof(rpc_val_t)); | |
if (!ptr) { | |
LOGERR; | |
call->func_args = 0; | |
return -1; |
return -1; |
} else |
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call->func_vals = ptr; |
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} |
} |
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return return_vals; | return io_arraySize(call->func_vars); |
} |
} |
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/* |
/* |
* rpc_srv_zeroValsCall() Clean values from return variables of RPC call | * rpc_srv_getVars() - Get variables array for RPC call |
| * |
* @call = RPC function call |
* @call = RPC function call |
* return: -1 error, !=-1 Returned number of cleaned RPC variables | * @vars = Returned variables array, may be NULL |
*/ | |
inline int | |
rpc_srv_zeroValsCall(rpc_func_t * __restrict call) | |
{ | |
if (!call) { | |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t delete return variables ...\n"); | |
return -1; | |
} | |
| |
memset(call->func_vals, 0, call->func_args * sizeof(rpc_val_t)); | |
return call->func_args; | |
} | |
| |
/* | |
* rpc_srv_copyValsCall() Copy return variables for RPC call to new variable | |
* @call = RPC function call | |
* @newvals = New allocated variables array, must be free after use | |
* return: -1 error, !=-1 Returned number of copied RPC variables | |
*/ | |
inline int | |
rpc_srv_copyValsCall(rpc_func_t * __restrict call, rpc_val_t ** __restrict newvals) | |
{ | |
if (!call || !newvals) { | |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t copy return variables to new array\n"); | |
return -1; | |
} | |
| |
*newvals = calloc(call->func_args, sizeof(rpc_val_t)); | |
if (!*newvals) { | |
LOGERR; | |
return -1; | |
} else | |
memcpy(*newvals, call->func_vals, call->func_args * sizeof(rpc_val_t)); | |
| |
return call->func_args; | |
} | |
| |
/* | |
* rpc_srv_getValsCall() Get return variables for RPC call | |
* @call = RPC function call | |
* @vals = Returned variables, may be NULL | |
* return: -1 error, !=-1 Number of returned variables |
* return: -1 error, !=-1 Number of returned variables |
*/ |
*/ |
inline int |
inline int |
rpc_srv_getValsCall(rpc_func_t * __restrict call, rpc_val_t ** __restrict vals) | rpc_srv_getVars(rpc_func_t * __restrict call, array_t ** __restrict vars) |
{ |
{ |
if (!call) { |
if (!call) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t get return variables ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t get variables"); |
return -1; |
return -1; |
} |
} |
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if (vals) | if (vars) |
*vals = call->func_vals; | *vars = call->func_vars; |
return call->func_args; | return io_arraySize(call->func_vars); |
} |
} |
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// --------------------------------------------------------- | /* --------------------------------------------------------- */ |
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/* |
/* |
* rpc_srv_registerCall() Register call to RPC server | * rpc_srv_registerCall() - Register call to RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary |
* @csModule = Module name, if NULL self binary |
* @csFunc = Function name |
* @csFunc = Function name |
Line 187 rpc_srv_getValsCall(rpc_func_t * __restrict call, rpc_
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Line 102 rpc_srv_getValsCall(rpc_func_t * __restrict call, rpc_
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* return: -1 error or 0 register ok |
* return: -1 error or 0 register ok |
*/ |
*/ |
int |
int |
rpc_srv_registerCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc, u_char args) | rpc_srv_registerCall(rpc_srv_t * __restrict srv, const char *csModule, |
| const char *csFunc, u_short args) |
{ |
{ |
rpc_func_t *func; |
rpc_func_t *func; |
u_char str[MAXPATHLEN + UCHAR_MAX + 1]; |
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memset(str, 0, MAXPATHLEN + UCHAR_MAX + 1); |
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if (!srv || !csFunc) { |
if (!srv || !csFunc) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t register function to RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t register function"); |
return -1; |
return -1; |
} |
} |
if (!(func = malloc(sizeof(rpc_func_t)))) { |
if (!(func = malloc(sizeof(rpc_func_t)))) { |
LOGERR; |
LOGERR; |
return -1; |
return -1; |
} else { | } else |
memset(func, 0, sizeof(rpc_func_t)); |
memset(func, 0, sizeof(rpc_func_t)); |
strlcpy((char*) func->func_name, csFunc, UCHAR_MAX + 1); | |
| /* calculate hashes */ |
| if (rpc_calcHashes(func, csModule, csFunc) == -1) { |
| AIT_FREE_VAL(&func->func_name); |
| AIT_FREE_VAL(&func->func_file); |
| free(func); |
| return -1; |
} |
} |
if (csModule) { |
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strlcpy((char*) func->func_file, csModule, MAXPATHLEN); |
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strlcpy((char*) str, csModule, MAXPATHLEN + UCHAR_MAX + 1); |
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} |
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strlcat((char*) str, "__", MAXPATHLEN + UCHAR_MAX + 1); |
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strlcat((char*) str, csFunc, MAXPATHLEN + UCHAR_MAX + 1); |
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func->func_tag = crcFletcher16((u_short*) str, (MAXPATHLEN + UCHAR_MAX + 1) / 2); |
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func->func_hash = hash_fnv((char*) str, MAXPATHLEN + UCHAR_MAX + 1); |
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func->func_parent = srv; |
func->func_parent = srv; |
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if (args > 0 && rpc_srv_declValsCall(func, args) == -1) { | /* allocate return variables */ |
| if (args > 0 && rpc_srv_allocVars(func, args) == -1) { |
| AIT_FREE_VAL(&func->func_name); |
| AIT_FREE_VAL(&func->func_file); |
free(func); |
free(func); |
return -1; |
return -1; |
} |
} |
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/* add to list of functions */ |
pthread_mutex_lock(&srv->srv_mtx); |
pthread_mutex_lock(&srv->srv_mtx); |
func->func_next = srv->srv_funcs; |
func->func_next = srv->srv_funcs; |
srv->srv_funcs = func; |
srv->srv_funcs = func; |
Line 229 rpc_srv_registerCall(rpc_srv_t * __restrict srv, const
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Line 144 rpc_srv_registerCall(rpc_srv_t * __restrict srv, const
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} |
} |
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/* |
/* |
* rpc_srv_unregisterCall() Unregister call from RPC server | * rpc_srv_unregisterCall() - Unregister call from RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary |
* @csModule = Module name, if NULL self binary |
* @csFunc = Function name |
* @csFunc = Function name |
Line 239 int
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Line 155 int
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rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc) |
rpc_srv_unregisterCall(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc) |
{ |
{ |
rpc_func_t func, *f, *curr; |
rpc_func_t func, *f, *curr; |
u_char str[MAXPATHLEN + UCHAR_MAX + 1]; |
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memset(&func, 0, sizeof(rpc_func_t)); |
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memset(str, 0, MAXPATHLEN + UCHAR_MAX + 1); |
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if (!srv || !csFunc) { |
if (!srv || !csFunc) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t unregister function from RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t unregister function"); |
return -1; |
return -1; |
} else |
} else |
strlcpy((char*) func.func_name, csFunc, UCHAR_MAX + 1); | memset(&func, 0, sizeof func); |
if (csModule) { | |
strlcpy((char*) func.func_file, csModule, MAXPATHLEN); | |
strlcpy((char*) str, csModule, MAXPATHLEN + UCHAR_MAX + 1); | |
} | |
strlcat((char*) str, "__", MAXPATHLEN + UCHAR_MAX + 1); | |
strlcat((char*) str, csFunc, MAXPATHLEN + UCHAR_MAX + 1); | |
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func.func_tag = crcFletcher16((u_short*) str, (MAXPATHLEN + UCHAR_MAX + 1) / 2); | /* calculate hashes */ |
func.func_hash = hash_fnv((char*) str, MAXPATHLEN + UCHAR_MAX + 1); | if (rpc_calcHashes(&func, csModule, csFunc) == -1) |
| return -1; |
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pthread_mutex_lock(&srv->srv_mtx); |
f = rpc_srv_getCall(srv, func.func_tag, func.func_hash); |
f = rpc_srv_getCall(srv, func.func_tag, func.func_hash); |
if (!f) // not found element for unregister | AIT_FREE_VAL(&func.func_name); |
| AIT_FREE_VAL(&func.func_file); |
| if (!f) { /* not found element for unregister */ |
| pthread_mutex_unlock(&srv->srv_mtx); |
return 0; |
return 0; |
|
} |
|
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pthread_mutex_lock(&srv->srv_mtx); | /* remove from list of functions */ |
if (srv->srv_funcs == f) { // if is 1st element | if (srv->srv_funcs == f) /* if is 1st element */ |
srv->srv_funcs = srv->srv_funcs->func_next; |
srv->srv_funcs = srv->srv_funcs->func_next; |
| else { |
if (f->func_args && f->func_vals) | |
free(f->func_vals); | |
free(f); | |
} else { | |
for (curr = srv->srv_funcs; curr->func_next != f; curr = curr->func_next); |
for (curr = srv->srv_funcs; curr->func_next != f; curr = curr->func_next); |
curr->func_next = curr->func_next->func_next; |
curr->func_next = curr->func_next->func_next; |
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if (f->func_args && f->func_vals) |
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free(f->func_vals); |
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free(f); |
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} |
} |
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io_freeVars(&f->func_vars); |
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AIT_FREE_VAL(&f->func_name); |
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AIT_FREE_VAL(&f->func_file); |
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free(f); |
pthread_mutex_unlock(&srv->srv_mtx); |
pthread_mutex_unlock(&srv->srv_mtx); |
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return 1; |
return 1; |
} |
} |
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/* |
/* |
* rpc_srv_getCall() Get registered call from RPC server | * rpc_srv_getCall() - Get registered call from RPC server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @tag = tag for function |
* @tag = tag for function |
* @hash = hash for function |
* @hash = hash for function |
Line 295 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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Line 205 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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rpc_func_t *f; |
rpc_func_t *f; |
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if (!srv) { |
if (!srv) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t get function from RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t get function"); |
return NULL; |
return NULL; |
} |
} |
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Line 307 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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Line 217 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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} |
} |
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/* |
/* |
* rpc_srv_getFunc() Get registered call from RPC server by Name | * rpc_srv_getFunc() - Get registered call from RPC server by Name |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @csModule = Module name, if NULL self binary |
* @csModule = Module name, if NULL self binary |
* @csFunc = Function name |
* @csFunc = Function name |
Line 316 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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Line 227 rpc_srv_getCall(rpc_srv_t * __restrict srv, uint16_t t
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rpc_func_t * |
rpc_func_t * |
rpc_srv_getFunc(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc) |
rpc_srv_getFunc(rpc_srv_t * __restrict srv, const char *csModule, const char *csFunc) |
{ |
{ |
rpc_func_t func; | rpc_func_t func, *f = NULL; |
u_char str[MAXPATHLEN + UCHAR_MAX + 1]; | |
|
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memset(&func, 0, sizeof(rpc_func_t)); |
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memset(str, 0, MAXPATHLEN + UCHAR_MAX + 1); |
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if (!srv || !csFunc) { |
if (!srv || !csFunc) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t get function from RPC server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t get function"); |
return NULL; |
return NULL; |
} else |
} else |
strlcpy((char*) func.func_name, csFunc, UCHAR_MAX + 1); | memset(&func, 0, sizeof(rpc_func_t)); |
if (csModule) { | |
strlcpy((char*) func.func_file, csModule, MAXPATHLEN); | |
strlcpy((char*) str, csModule, MAXPATHLEN + UCHAR_MAX + 1); | |
} | |
strlcat((char*) str, "__", MAXPATHLEN + UCHAR_MAX + 1); | |
strlcat((char*) str, csFunc, MAXPATHLEN + UCHAR_MAX + 1); | |
|
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func.func_tag = crcFletcher16((u_short*) str, (MAXPATHLEN + UCHAR_MAX + 1) / 2); | /* calculate hashes */ |
func.func_hash = hash_fnv((char*) str, MAXPATHLEN + UCHAR_MAX + 1); | if (rpc_calcHashes(&func, csModule, csFunc) == -1) |
| return NULL; |
|
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return rpc_srv_getCall(srv, func.func_tag, func.func_hash); | f = rpc_srv_getCall(srv, func.func_tag, func.func_hash); |
| |
| AIT_FREE_VAL(&func.func_name); |
| AIT_FREE_VAL(&func.func_file); |
| return f; |
} |
} |
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// --------------------------------------------------------- |
// --------------------------------------------------------- |
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/* |
/* |
* rpc_srv_getBLOB() Get registered BLOB | * rpc_srv_getBLOB() - Get registered BLOB |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @var = hash for variable |
* @var = hash for variable |
* return: NULL not found, !=NULL return blob var |
* return: NULL not found, !=NULL return blob var |
Line 353 rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t v
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Line 261 rpc_srv_getBLOB(rpc_srv_t * __restrict srv, uint32_t v
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rpc_blob_t *b; |
rpc_blob_t *b; |
|
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if (!srv) { |
if (!srv) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t get variable from BLOB server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t get BLOB variable"); |
return NULL; |
return NULL; |
} |
} |
|
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pthread_mutex_lock(&srv->srv_blob.mtx); |
|
for (b = srv->srv_blob.blobs; b; b = b->blob_next) { |
for (b = srv->srv_blob.blobs; b; b = b->blob_next) { |
if (b->blob_var == var) |
if (b->blob_var == var) |
break; |
break; |
} |
} |
pthread_mutex_unlock(&srv->srv_blob.mtx); |
|
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return b; |
return b; |
} |
} |
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/* |
/* |
* rpc_srv_registerBLOB() Register new BLOB to server | * rpc_srv_registerBLOB() - Register new BLOB to server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @len = BLOB length |
* @len = BLOB length |
* return: NULL error or new registered BLOB |
* return: NULL error or new registered BLOB |
Line 379 rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_
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Line 286 rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_
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rpc_blob_t *blob = NULL; |
rpc_blob_t *blob = NULL; |
|
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if (!srv || !len) { |
if (!srv || !len) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t register BLOB to server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t register BLOB variable"); |
return blob; |
return blob; |
} |
} |
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Line 395 rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_
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Line 302 rpc_srv_registerBLOB(rpc_srv_t * __restrict srv, size_
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} |
} |
|
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/* |
/* |
* rpc_srv_unregisterBLOB() Unregister BLOB from server | * rpc_srv_unregisterBLOB() - Unregister BLOB from server |
| * |
* @srv = RPC Server instance |
* @srv = RPC Server instance |
* @var = BLOB Variable for unregister |
* @var = BLOB Variable for unregister |
* return: -1 error, 0 not found call, 1 unregister ok |
* return: -1 error, 0 not found call, 1 unregister ok |
Line 406 rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uin
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Line 314 rpc_srv_unregisterBLOB(rpc_srv_t * __restrict srv, uin
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rpc_blob_t *b, *curr; |
rpc_blob_t *b, *curr; |
|
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if (!srv) { |
if (!srv) { |
rpc_SetErr(EINVAL, "Error:: Invalid parameter can`t unregister BLOB from server ...\n"); | rpc_SetErr(EINVAL, "Invalid parameter can`t unregister BLOB variable"); |
return -1; |
return -1; |
} |
} |
|
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b = rpc_srv_getBLOB(srv, var); |
b = rpc_srv_getBLOB(srv, var); |
if (!b) // not found element for unregister | if (!b) /* not found element for unregister */ |
return 0; |
return 0; |
|
/* if BLOB is unmapped force to unmap object */ |
|
if (b->blob_data) |
|
rpc_srv_blobUnmap(b); |
|
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pthread_mutex_lock(&srv->srv_blob.mtx); |
pthread_mutex_lock(&srv->srv_blob.mtx); |
if (srv->srv_blob.blobs == b) { // if is 1st element | if (srv->srv_blob.blobs == b) { /* if is 1st element */ |
srv->srv_blob.blobs = srv->srv_blob.blobs->blob_next; |
srv->srv_blob.blobs = srv->srv_blob.blobs->blob_next; |
} else { |
} else { |
for (curr = srv->srv_blob.blobs; curr->blob_next != b; curr = curr->blob_next); |
for (curr = srv->srv_blob.blobs; curr->blob_next != b; curr = curr->blob_next); |
curr->blob_next = curr->blob_next->blob_next; |
curr->blob_next = curr->blob_next->blob_next; |
} |
} |
|
pthread_mutex_unlock(&srv->srv_blob.mtx); |
rpc_srv_blobFree(srv, b); |
rpc_srv_blobFree(srv, b); |
free(b); |
free(b); |
pthread_mutex_unlock(&srv->srv_blob.mtx); |
|
|
|
return 1; |
return 1; |
} |
} |
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|
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/* |
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* rpc_calcHashes() - Calculate hashes for RPC call |
|
* |
|
* @func = function |
|
* @csModule = Module name, if NULL self binary |
|
* @csFunc = Function name |
|
* return: -1 error or 0 ok |
|
*/ |
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int |
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rpc_calcHashes(rpc_func_t * __restrict func, const char *csModule, const char *csFunc) |
|
{ |
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char *str = NULL; |
|
int len = 0; |
|
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assert(func && csFunc); |
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/* set function name */ |
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AIT_SET_STR(&func->func_name, csFunc); |
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len = strlen(csFunc) + 3; /* extra 3 bytes, because add string "__" and 0 */ |
|
/* set module name if exists */ |
|
if (csModule) { |
|
AIT_SET_STR(&func->func_file, csModule); |
|
len += strlen(csModule); |
|
} |
|
/* align len to 2 */ |
|
len = io_align(len, 1); |
|
|
|
/* prepare hash source string */ |
|
str = malloc(len); |
|
if (!str) { |
|
LOGERR; |
|
return -1; |
|
} else { |
|
memset(str, 0, len); |
|
if (csModule) |
|
strlcpy((char*) str, csModule, len); |
|
strlcat((char*) str, "__", len); |
|
strlcat((char*) str, csFunc, len); |
|
} |
|
|
|
func->func_tag = crcFletcher16((u_short*) str, len / 2); |
|
func->func_hash = hash_fnv((char*) str, len); |
|
|
|
free(str); |
|
return len; |
|
} |
|
|