/* remove the semaphore set from system */
void lock_cleanup()
{
/* that's system-wide; all other processes trying to use
the semaphore will fail! call only if it is for sure
no other process lives
*/
/* sibling double-check missing here; install a signal handler */
if (entry_semaphore !=0){
lock_set_destroy(entry_semaphore);
lock_set_dealloc(entry_semaphore);
};
if (timer_semaphore !=0){
lock_set_destroy(timer_semaphore);
lock_set_dealloc(timer_semaphore);
};
if (reply_semaphore !=0) {
lock_set_destroy(reply_semaphore);
lock_set_dealloc(reply_semaphore);
};
entry_semaphore = timer_semaphore = reply_semaphore = 0;
if (timer_group_lock) shm_free(timer_group_lock);
}
/* remove the semaphore set from system */
void lock_cleanup()
{
/* that's system-wide; all other processes trying to use
the semaphore will fail! call only if it is for sure
no other process lives
*/
/* sibling double-check missing here; install a signal handler */
if (entry_semaphore !=0){
lock_set_destroy(entry_semaphore);
lock_set_dealloc(entry_semaphore);
};
if (reply_semaphore !=0) {
lock_set_destroy(reply_semaphore);
lock_set_dealloc(reply_semaphore);
};
#ifdef ENABLE_ASYNC_MUTEX
if (async_semaphore !=0) {
lock_set_destroy(async_semaphore);
lock_set_dealloc(async_semaphore);
}
async_semaphore = 0;
#endif
entry_semaphore = reply_semaphore = 0;
}
void mod_destroy(void)
{
unsigned int i;
if (rl_htable.maps) {
for (i = 0; i < rl_htable.size; i++)
map_destroy(rl_htable.maps[i], 0);
shm_free(rl_htable.maps);
rl_htable.maps = 0;
rl_htable.size = 0;
}
if (rl_htable.locks) {
lock_set_destroy(rl_htable.locks);
lock_set_dealloc(rl_htable.locks);
rl_htable.locks = 0;
rl_htable.locks_no = 0;
}
if (rl_lock) {
lock_destroy(rl_lock);
lock_dealloc(rl_lock);
}
RL_SHM_FREE(rl_network_count);
RL_SHM_FREE(rl_network_load);
RL_SHM_FREE(rl_load_value);
RL_SHM_FREE(pid_kp);
RL_SHM_FREE(pid_ki);
RL_SHM_FREE(pid_kd);
RL_SHM_FREE(pid_setpoint);
RL_SHM_FREE(drop_rate);
RL_SHM_FREE(rl_feedback_limit);
if (db_url.s && db_url.len)
destroy_cachedb();
}
/* size must be a power of 2 */
static gen_lock_set_t* init_lock_set(int *size)
{
gen_lock_set_t *lset;
lset=0; /* kill warnings */
for( ; *size ; *size=((*size)>>1) ) {
LM_INFO("probing %d set size\n", *size);
/* create a lock set */
lset = lock_set_alloc( *size );
if (lset==0) {
LM_INFO("cannot get %d locks\n", *size);
continue;
}
/* init lock set */
if (lock_set_init(lset)==0) {
LM_INFO("cannot init %d locks\n", *size);
lock_set_dealloc( lset );
lset = 0;
continue;
}
/* alloc and init succesfull */
break;
}
if (*size==0) {
LM_ERR("cannot get a lock set\n");
return 0;
}
return lset;
}
void shvar_destroy_locks(void)
{
if (shvar_locks !=0){
lock_set_destroy(shvar_locks);
lock_set_dealloc(shvar_locks);
}
}
void lua_sr_destroy(void)
{
if(_sr_L_env.L!=NULL)
{
lua_close(_sr_L_env.L);
_sr_L_env.L = NULL;
}
if(_sr_L_env.LL!=NULL)
{
lua_close(_sr_L_env.LL);
_sr_L_env.LL = NULL;
}
memset(&_sr_L_env, 0, sizeof(sr_lua_env_t));
if(sr_lua_script_ver!=NULL)
{
shm_free(sr_lua_script_ver->version);
shm_free(sr_lua_script_ver);
}
if (sr_lua_locks!=NULL)
{
lock_set_destroy( sr_lua_locks );
lock_set_dealloc( sr_lua_locks );
sr_lua_locks = 0;
}
if(_app_lua_sv!=NULL) {
pkg_free(_app_lua_sv);
_app_lua_sv = 0;
}
}
/*! \brief
* Initialize locks
*/
int ul_init_locks(void)
{
int i;
i = ul_locks_no;
do {
if ((( ul_locks=lock_set_alloc(i))!=0)&&
(lock_set_init(ul_locks)!=0))
{
ul_locks_no = i;
LM_INFO("locks array size %d\n", ul_locks_no);
return 0;
}
if (ul_locks){
lock_set_dealloc(ul_locks);
ul_locks=0;
}
i--;
if(i==0)
{
LM_ERR("failed to allocate locks\n");
return -1;
}
} while (1);
}
void ul_destroy_locks(void)
{
if (ul_locks !=0){
lock_set_destroy(ul_locks);
lock_set_dealloc(ul_locks);
};
}
void free_cc_data(struct cc_data *data)
{
struct cc_flow *flow, *f_flow;
struct cc_agent *agent,*f_agent;
int i;
if (data) {
/* lock */
if (data->lock) {
lock_destroy( data->lock );
lock_dealloc( data->lock );
}
if (data->call_locks) {
lock_set_destroy( data->call_locks );
lock_set_dealloc( data->call_locks );
}
/* flows */
for( flow=data->flows ; flow ; ) {
f_flow = flow;
flow = flow->next;
free_cc_flow( f_flow );
}
/* agents */
for(i = 0; i< 2; i++) {
for( agent=data->agents[i] ; agent ; ) {
f_agent = agent;
agent = agent->next;
free_cc_agent( f_agent );
}
}
shm_free(data);
}
}
int tls_init_multithread(void)
{
/* init static locks support */
tls_static_locks_no = CRYPTO_num_locks();
if (tls_static_locks_no>0) {
/* init a lock set & pass locking function to SSL */
tls_static_locks = lock_set_alloc(tls_static_locks_no);
if (tls_static_locks == NULL) {
LM_ERR("Failed to alloc static locks\n");
return -1;
}
if (lock_set_init(tls_static_locks)==0) {
LM_ERR("Failed to init static locks\n");
lock_set_dealloc(tls_static_locks);
return -1;
}
CRYPTO_set_locking_callback(tls_static_locks_ops);
}
CRYPTO_set_id_callback(tls_get_id);
/* dynamic locks support*/
CRYPTO_set_dynlock_create_callback(tls_dyn_lock_create);
CRYPTO_set_dynlock_lock_callback(tls_dyn_lock_ops);
CRYPTO_set_dynlock_destroy_callback(tls_dyn_lock_destroy);
return 0;
}
/*!
* \brief Destroy all locks on the list
*/
void subs_destroy_locks(void)
{
if (subs_locks !=0){
lock_set_destroy(subs_locks);
lock_set_dealloc(subs_locks);
};
}
/*!
* \brief Destroy the global dialog table
*/
void destroy_dlg_table(void)
{
struct dlg_cell *dlg, *l_dlg;
unsigned int i;
if (d_table==0)
return;
if (d_table->locks) {
lock_set_destroy(d_table->locks);
lock_set_dealloc(d_table->locks);
}
for( i=0 ; i<d_table->size; i++ ) {
dlg = d_table->entries[i].first;
while (dlg) {
l_dlg = dlg;
dlg = dlg->next;
destroy_dlg(l_dlg);
}
}
shm_free(d_table);
d_table = 0;
return;
}
/*!
* \brief Destroy the per user transaction table
*/
void destroy_ts_table(void)
{
struct ts_urecord *ts_u, *l_ts_u;
unsigned int i;
if (t_table==0)
return;
if (t_table->locks) {
lock_set_destroy(t_table->locks);
lock_set_dealloc(t_table->locks);
}
for( i=0 ; i<t_table->size; i++ ) {
ts_u = t_table->entries[i].first;
while (ts_u) {
l_ts_u = ts_u;
ts_u = ts_u->next;
free_ts_urecord(l_ts_u);
}
}
shm_free(t_table);
t_table = 0;
return;
}
/*
* Initialize locks
*/
int shvar_init_locks(void)
{
int i;
/* already initialized */
if(shvar_locks!=0)
return 0;
i = shvar_locks_no;
do {
if ((( shvar_locks=lock_set_alloc(i))!=0)&&
(lock_set_init(shvar_locks)!=0))
{
shvar_locks_no = i;
LM_INFO("locks array size %d\n", shvar_locks_no);
return 0;
}
if (shvar_locks){
lock_set_dealloc(shvar_locks);
shvar_locks=0;
}
i--;
if(i==0)
{
LM_ERR("failed to allocate locks\n");
return -1;
}
} while (1);
}
void tls_destroy_locks()
{
if (static_locks){
lock_set_destroy(static_locks);
lock_set_dealloc(static_locks);
static_locks=0;
n_static_locks=0;
}
}
void pg_destroy_lock_set(void)
{
if(_pg_lock_set!=NULL)
{
lock_set_destroy(_pg_lock_set);
lock_set_dealloc(_pg_lock_set);
_pg_lock_set = NULL;
_pg_lock_size = 0;
}
}
/* returns -1 on error, 0 on success */
int tls_init_locks()
{
/* init "static" tls locks */
n_static_locks=CRYPTO_num_locks();
if (n_static_locks<0){
LM_CRIT("bad CRYPTO_num_locks %d\n", n_static_locks);
n_static_locks=0;
}
if (n_static_locks){
if (CRYPTO_get_locking_callback()!=NULL) {
LM_CRIT("ssl locking callback already set\n");
return -1;
}
static_locks=lock_set_alloc(n_static_locks);
if (static_locks==0){
LM_CRIT("could not allocate lockset with %d locks\n",
n_static_locks);
goto error;
}
if (lock_set_init(static_locks)==0){
LM_CRIT("lock set init failed (%d locks)\n", n_static_locks);
lock_set_dealloc(static_locks);
static_locks=0;
n_static_locks=0;
goto error;
}
CRYPTO_set_locking_callback(locking_f);
}
/* OpenSSL is thread-safe since 1.1.0 */
#if OPENSSL_VERSION_NUMBER < 0x10100000L
/* set "dynamic" locks callbacks */
CRYPTO_set_dynlock_create_callback(dyn_create_f);
CRYPTO_set_dynlock_lock_callback(dyn_lock_f);
CRYPTO_set_dynlock_destroy_callback(dyn_destroy_f);
#endif
/* starting with v1.0.0 openssl does not use anymore getpid(), but address
* of errno which can point to same virtual address in a multi-process
* application
* - for refrence http://www.openssl.org/docs/crypto/threads.html
*/
CRYPTO_set_id_callback(sr_ssl_id_f);
/* atomic add -- since for now we don't have atomic_add
* (only atomic_inc), fallback to the default use-locks mode
* CRYPTO_set_add_lock_callback(atomic_add_f);
*/
return 0;
error:
tls_destroy_locks();
return -1;
}
void destroy_dst_blacklist()
{
int r;
struct dst_blst_entry** crt;
struct dst_blst_entry* e;
if (blst_timer_h){
timer_del(blst_timer_h);
timer_free(blst_timer_h);
blst_timer_h=0;
}
#ifdef BLST_LOCK_PER_BUCKET
if (dst_blst_hash)
for(r=0; r<DST_BLST_HASH_SIZE; r++)
lock_destroy(&dst_blst_hash[r].lock);
#elif defined BLST_LOCK_SET
if (blst_lock_set){
lock_set_destroy(blst_lock_set);
lock_set_dealloc(blst_lock_set);
blst_lock_set=0;
}
#else
if (blst_lock){
lock_destroy(blst_lock);
lock_dealloc(blst_lock);
blst_lock=0;
}
#endif
if (dst_blst_hash){
for(r=0; r<DST_BLST_HASH_SIZE; r++){
crt=&dst_blst_hash[r].first;
while(*crt){
e=*crt;
*crt=(*crt)->next;
blst_destroy_entry(e);
}
}
shm_free(dst_blst_hash);
dst_blst_hash=0;
}
if (blst_mem_used){
shm_free((void*)blst_mem_used);
blst_mem_used=0;
}
#ifdef DST_BLACKLIST_HOOKS
destroy_blacklist_hooks();
#endif
#ifdef USE_DST_BLACKLIST_STATS
if (dst_blacklist_stats)
shm_free(dst_blacklist_stats);
#endif
}
/*!
* \brief Initialize the per user transactions table
* \param size size of the table
* \return 0 on success, -1 on failure
*/
int init_ts_table(unsigned int size)
{
unsigned int n;
unsigned int i;
t_table = (struct ts_table*)shm_malloc( sizeof(struct ts_table));
if (t_table==0) {
LM_ERR("no more shm mem (1)\n");
return -1;
}
memset( t_table, 0, sizeof(struct ts_table) );
t_table->size = size;
n = (size<MAX_TS_LOCKS)?size:MAX_TS_LOCKS;
for( ; n>=MIN_TS_LOCKS ; n-- ) {
t_table->locks = lock_set_alloc(n);
if (t_table->locks==0)
continue;
if (lock_set_init(t_table->locks)==0) {
lock_set_dealloc(t_table->locks);
t_table->locks = 0;
continue;
}
t_table->locks_no = n;
break;
}
if (t_table->locks==0) {
LM_ERR("unable to allocted at least %d locks for the hash table\n",
MIN_TS_LOCKS);
goto error;
}
t_table->entries = (ts_entry_t*)shm_malloc(sizeof(ts_entry_t) * size);
if (!t_table->entries) {
LM_ERR("no more shm mem (2)\n");
goto error;
}
for( i=0 ; i<size; i++ ) {
memset( &(t_table->entries[i]), 0, sizeof(struct ts_entry) );
t_table->entries[i].next_id = rand() % (3*size);
t_table->entries[i].lock_idx = i % t_table->locks_no;
}
return 0;
error:
shm_free( t_table );
t_table = NULL;
return -1;
}
int lua_sr_alloc_script_ver(void)
{
int size = _sr_L_env.nload;
sr_lua_script_ver = (sr_lua_script_ver_t *) shm_malloc(sizeof(sr_lua_script_ver_t));
if(sr_lua_script_ver==NULL)
{
LM_ERR("cannot allocate shm memory\n");
return -1;
}
sr_lua_script_ver->version = (unsigned int *) shm_malloc(sizeof(unsigned int)*size);
if(sr_lua_script_ver->version==NULL)
{
LM_ERR("cannot allocate shm memory\n");
goto error;
}
memset(sr_lua_script_ver->version, 0, sizeof(unsigned int)*size);
sr_lua_script_ver->len = size;
if((sr_lua_locks=lock_set_alloc(size))==0)
{
LM_CRIT("failed to alloc lock set\n");
goto error;
}
if(lock_set_init(sr_lua_locks)==0 )
{
LM_CRIT("failed to init lock set\n");
goto error;
}
return 0;
error:
if(sr_lua_script_ver!=NULL)
{
if(sr_lua_script_ver->version!=NULL)
{
shm_free(sr_lua_script_ver->version);
sr_lua_script_ver->version = NULL;
}
shm_free(sr_lua_script_ver);
sr_lua_script_ver = NULL;
}
if(sr_lua_locks!=NULL)
{
lock_set_destroy( sr_lua_locks );
lock_set_dealloc( sr_lua_locks );
sr_lua_locks = NULL;
}
return -1;
}
/* returns -1 on error, 0 on success */
int tls_init_locks()
{
/* init "static" tls locks */
n_static_locks=CRYPTO_num_locks();
if (n_static_locks<0){
LOG(L_CRIT, "BUG: tls: tls_init_locking: bad CRYPTO_num_locks %d\n",
n_static_locks);
n_static_locks=0;
}
if (n_static_locks){
static_locks=lock_set_alloc(n_static_locks);
if (static_locks==0){
LOG(L_CRIT, "ERROR: tls_init_locking: could not allocate lockset"
" with %d locks\n", n_static_locks);
goto error;
}
if (lock_set_init(static_locks)==0){
LOG(L_CRIT, "ERROR: tls_init_locking: lock_set_init failed "
"(%d locks)\n", n_static_locks);
lock_set_dealloc(static_locks);
static_locks=0;
n_static_locks=0;
goto error;
}
CRYPTO_set_locking_callback(locking_f);
}
/* set "dynamic" locks callbacks */
CRYPTO_set_dynlock_create_callback(dyn_create_f);
CRYPTO_set_dynlock_lock_callback(dyn_lock_f);
CRYPTO_set_dynlock_destroy_callback(dyn_destroy_f);
/* starting with v1.0.0 openssl does not use anymore getpid(), but address
* of errno which can point to same virtual address in a multi-process
* application
* - for refrence http://www.openssl.org/docs/crypto/threads.html
*/
CRYPTO_set_id_callback(sr_ssl_id_f);
/* atomic add -- since for now we don't have atomic_add
* (only atomic_inc), fallback to the default use-locks mode
* CRYPTO_set_add_lock_callback(atomic_add_f);
*/
return 0;
error:
tls_destroy_locks();
return -1;
}
/**
* free jab_wlist
* - jwl : pointer to the workers list
*/
void xj_wlist_free(xj_wlist jwl)
{
int i;
#ifdef XJ_EXTRA_DEBUG
LM_DBG("freeing 'xj_wlist' memory ...\n");
#endif
if(jwl == NULL)
return;
if(jwl->workers != NULL)
{
for(i=0; i<jwl->len; i++)
free2tree234(jwl->workers[i].sip_ids, xj_jkey_free_p);
_M_SHM_FREE(jwl->workers);
}
if(jwl->aliases != NULL)
{
if(jwl->aliases->d)
_M_SHM_FREE(jwl->aliases->d);
if(jwl->aliases->jdm != NULL)
{
_M_SHM_FREE(jwl->aliases->jdm->s);
_M_SHM_FREE(jwl->aliases->jdm);
}
if(jwl->aliases->proxy != NULL)
{
_M_SHM_FREE(jwl->aliases->proxy->s);
_M_SHM_FREE(jwl->aliases->proxy);
}
if(jwl->aliases->size > 0)
{
for(i=0; i<jwl->aliases->size; i++)
_M_SHM_FREE(jwl->aliases->a[i].s);
_M_SHM_FREE(jwl->aliases->a);
}
_M_SHM_FREE(jwl->aliases);
jwl->aliases = NULL;
}
if(jwl->sems != NULL){
lock_set_destroy(jwl->sems);
lock_set_dealloc(jwl->sems);
}
_M_SHM_FREE(jwl);
}
int init_dlg_table(unsigned int size)
{
unsigned int n;
unsigned int i;
d_table = (struct dlg_table*)shm_malloc
( sizeof(struct dlg_table) + size*sizeof(struct dlg_entry));
if (d_table==0) {
LM_ERR("no more shm mem (1)\n");
goto error0;
}
memset( d_table, 0, sizeof(struct dlg_table) );
d_table->size = size;
d_table->entries = (struct dlg_entry*)(d_table+1);
n = (size<MAX_LDG_LOCKS)?size:MAX_LDG_LOCKS;
for( ; n>=MIN_LDG_LOCKS ; n-- ) {
d_table->locks = lock_set_alloc(n);
if (d_table->locks==0)
continue;
if (lock_set_init(d_table->locks)==0) {
lock_set_dealloc(d_table->locks);
d_table->locks = 0;
continue;
}
d_table->locks_no = n;
break;
}
if (d_table->locks==0) {
LM_ERR("unable to allocted at least %d locks for the hash table\n",
MIN_LDG_LOCKS);
goto error1;
}
for( i=0 ; i<size; i++ ) {
memset( &(d_table->entries[i]), 0, sizeof(struct dlg_entry) );
d_table->entries[i].next_id = rand();
d_table->entries[i].lock_idx = i % d_table->locks_no;
}
return 0;
error1:
shm_free( d_table );
error0:
return -1;
}
static void mod_destroy(void)
{
if (probability)
shm_free(probability);
if (gflags)
shm_free(gflags);
if (gflags_lock) {
lock_destroy(gflags_lock);
lock_dealloc(gflags_lock);
}
if(_cfg_lock_set!=NULL)
{
lock_set_destroy(_cfg_lock_set);
lock_set_dealloc(_cfg_lock_set);
}
}
void destroy_script_locks(void)
{
static_lock *lock_entry;
/* Free all static locks */
while (static_locks) {
lock_entry = static_locks;
static_locks = static_locks->next;
lock_dealloc(lock_entry->lock);
shm_free(lock_entry);
}
/* Free all dynamic locks */
lock_set_dealloc(dynamic_locks);
}
/* returns -1 on error, 0 on success */
int tls_init_locks()
{
/* init "static" tls locks */
n_static_locks=CRYPTO_num_locks();
if (n_static_locks<0){
LOG(L_CRIT, "BUG: tls: tls_init_locking: bad CRYPTO_num_locks %d\n",
n_static_locks);
n_static_locks=0;
}
if (n_static_locks){
static_locks=lock_set_alloc(n_static_locks);
if (static_locks==0){
LOG(L_CRIT, "ERROR: tls_init_locking: could not allocate lockset"
" with %d locks\n", n_static_locks);
goto error;
}
if (lock_set_init(static_locks)==0){
LOG(L_CRIT, "ERROR: tls_init_locking: lock_set_init failed "
"(%d locks)\n", n_static_locks);
lock_set_dealloc(static_locks);
static_locks=0;
n_static_locks=0;
goto error;
}
CRYPTO_set_locking_callback(locking_f);
}
/* set "dynamic" locks callbacks */
CRYPTO_set_dynlock_create_callback(dyn_create_f);
CRYPTO_set_dynlock_lock_callback(dyn_lock_f);
CRYPTO_set_dynlock_destroy_callback(dyn_destroy_f);
/* thread id callback: not needed because ser doesn't use thread and
* openssl already uses getpid() (by default)
* CRYPTO_set_id_callback(id_f);
*/
/* atomic add -- since for now we don't have atomic_add
* (only atomic_inc), fallback to the default use-locks mode
* CRYPTO_set_add_lock_callback(atomic_add_f);
*/
return 0;
error:
tls_destroy_locks();
return -1;
}
/* returns 0 on success, -1 on error */
int init_atomic_ops()
{
#ifdef MEMBAR_USES_LOCK
if ((__membar_lock=lock_alloc())==0){
goto error;
}
if (lock_init(__membar_lock)==0){
lock_dealloc(__membar_lock);
__membar_lock=0;
goto error;
}
_membar_lock; /* start with the lock "taken" so that we can safely use
unlock/lock sequences on it later */
#endif
#ifdef ATOMIC_OPS_USE_LOCK_SET
if ((_atomic_lock_set=lock_set_alloc(_ATOMIC_LS_SIZE))==0){
goto error;
}
if (lock_set_init(_atomic_lock_set)==0){
lock_set_dealloc(_atomic_lock_set);
_atomic_lock_set=0;
goto error;
}
#elif defined ATOMIC_OPS_USE_LOCK
if ((_atomic_lock=lock_alloc())==0){
goto error;
}
if (lock_init(_atomic_lock)==0){
lock_dealloc(_atomic_lock);
_atomic_lock=0;
goto error;
}
#endif /* ATOMIC_OPS_USE_LOCK_SET/ATOMIC_OPS_USE_LOCK */
return 0;
#if defined MEMBAR_USES_LOCK || defined ATOMIC_OPS_USE_LOCK || \
defined ATOMIC_OPS_USE_LOCK_SET
error:
destroy_atomic_ops();
return -1;
#endif
}
void destroy_atomic_ops()
{
#ifdef MEMBAR_USES_LOCK
if (__membar_lock!=0){
lock_destroy(__membar_lock);
lock_dealloc(__membar_lock);
__membar_lock=0;
}
#endif
#ifdef ATOMIC_OPS_USE_LOCK_SET
if (_atomic_lock_set!=0){
lock_set_destroy(_atomic_lock_set);
lock_set_dealloc(_atomic_lock_set);
_atomic_lock_set=0;
}
#elif defined ATOMIC_OPS_USE_LOCK
if (_atomic_lock!=0){
lock_destroy(_atomic_lock);
lock_dealloc(_atomic_lock);
_atomic_lock=0;
}
#endif /* ATOMIC_OPS_USE_LOCK_SET / ATOMIC_OPS_USE_LOCK*/
}
/* destroy and free the IP tree */
void destroy_ip_tree(void)
{
int i;
if (root==0)
return;
/* destroy and free the lock set */
if (root->entry_lock_set) {
lock_set_destroy(root->entry_lock_set);
lock_set_dealloc(root->entry_lock_set);
}
/* destroy all the nodes */
for(i=0;i<MAX_IP_BRANCHES;i++)
if (root->entries[i].node)
destroy_ip_node(root->entries[i].node);
shm_free( root );
root = 0;
return;
}
/**
* init a workers list
* - pipes : communication pipes
* - size : size of list - number of workers
* - max : maximum number of jobs per worker
* return : pointer to workers list or NULL on error
*/
xj_wlist xj_wlist_init(int **pipes, int size, int max, int cache_time,
int sleep_time, int delay_time)
{
int i;
xj_wlist jwl = NULL;
if(pipes == NULL || size <= 0 || max <= 0)
return NULL;
#ifdef XJ_EXTRA_DEBUG
LM_DBG("-----START-----\n");
#endif
jwl = (xj_wlist)_M_SHM_MALLOC(sizeof(t_xj_wlist));
if(jwl == NULL)
return NULL;
jwl->len = size;
jwl->maxj = max;
jwl->cachet = cache_time;
jwl->delayt = delay_time;
jwl->sleept = sleep_time;
jwl->aliases = NULL;
jwl->sems = NULL;
i = 0;
/* alloc locks*/
if((jwl->sems = lock_set_alloc(size)) == NULL){
LM_CRIT("failed to alloc lock set\n");
goto clean;
};
/* init the locks*/
if (lock_set_init(jwl->sems)==0){
LM_CRIT("failed to initialize the locks\n");
goto clean;
};
jwl->workers = (xj_worker)_M_SHM_MALLOC(size*sizeof(t_xj_worker));
if(jwl->workers == NULL){
lock_set_destroy(jwl->sems);
goto clean;
}
for(i = 0; i < size; i++)
{
jwl->workers[i].nr = 0;
jwl->workers[i].pid = 0;
jwl->workers[i].wpipe = pipes[i][1];
jwl->workers[i].rpipe = pipes[i][0];
if((jwl->workers[i].sip_ids = newtree234(xj_jkey_cmp)) == NULL){
lock_set_destroy(jwl->sems);
goto clean;
}
}
return jwl;
clean:
LM_DBG("error occurred -> cleaning\n");
if(jwl->sems != NULL)
lock_set_dealloc(jwl->sems);
if(jwl->workers != NULL)
{
while(i>=0)
{
if(jwl->workers[i].sip_ids == NULL)
free2tree234(jwl->workers[i].sip_ids, xj_jkey_free_p);
i--;
}
_M_SHM_FREE(jwl->workers);
}
_M_SHM_FREE(jwl);
return NULL;
}
