/*! \brief
* Parse Event header field body
*/
int parse_event(struct hdr_field* _h)
{
event_t* e;
if (_h->parsed != 0) {
return 0;
}
e = (event_t*)pkg_malloc(sizeof(event_t));
if (e == 0) {
LOG(L_ERR, "parse_event(): No memory left\n");
return -1;
}
memset(e, 0, sizeof(event_t));
if (event_parser(_h->body.s, _h->body.len, e) < 0) {
LOG(L_ERR, "parse_event(): Error in event_parser\n");
pkg_free(e);
return -2;
}
_h->parsed = (void*)e;
return 0;
}
/*
* Parse Event header field body
*/
int parse_event(struct hdr_field* _h)
{
event_t* e;
if (_h->parsed != 0) {
return 0;
}
e = (event_t*)pkg_malloc(sizeof(event_t));
if (e == 0) {
LM_ERR("no pkg memory left\n");
return -1;
}
memset(e, 0, sizeof(event_t));
if (event_parser(_h->body.s, _h->body.len, e) < 0) {
pkg_free(e);
/*TODO - error
LM_ERR("event_parser failed\n");
set_err_info(OSER_EC_PARSER, OSER_EL_MEDIUM,
"error parsing EVENT header");
set_err_reply(400, "bad headers");
*/
return -2;
}
_h->parsed = (void*)e;
return 0;
}
pres_ev_t* contains_event(str* sname, event_t* parsed_event)
{
event_t event;
pres_ev_t* e;
memset(&event, 0, sizeof(event_t));
if(event_parser(sname->s, sname->len, &event)< 0)
{
LM_ERR("parsing event\n");
return NULL;
}
if(parsed_event)
*parsed_event= event;
else
{
free_event_params(event.params, PKG_MEM_TYPE);
}
e= search_event(&event);
return e;
}
int add_rls_event(modparam_t type, void* val)
{
char* event= (char*)val;
event_t e;
if(event_parser(event, strlen(event), &e)< 0)
{
LM_ERR("while parsing event = %s\n", event);
return -1;
}
if(e.parsed & EVENT_OTHER)
{
LM_ERR("wrong event= %s\n", event);
return -1;
}
rls_events|= e.parsed;
return 0;
}
pres_ev_t *contains_event(str *sname, event_t *parsed_event)
{
event_t event;
event_t *pe;
pres_ev_t *e;
pe = (parsed_event) ? parsed_event : &event;
memset(pe, 0, sizeof(event_t));
if(event_parser(sname->s, sname->len, pe) < 0) {
LM_ERR("parsing event\n");
return NULL;
}
e = search_event(pe);
if(parsed_event == 0) {
free_event_params(pe->params.list, PKG_MEM_TYPE);
pe->params.list = NULL;
}
return e;
}
int rls_update_subs(struct sip_msg *msg, char *puri, char *pevent)
{
str uri;
str event;
struct sip_uri parsed_uri;
event_t e;
int i;
if (fixup_get_svalue(msg, (gparam_p)puri, &uri) != 0)
{
LM_ERR("invalid uri parameter\n");
return -1;
}
if (fixup_get_svalue(msg, (gparam_p)pevent, &event) != 0)
{
LM_ERR("invalid event parameter\n");
return -1;
}
if (event_parser(event.s, event.len, &e) < 0)
{
LM_ERR("while parsing event: %.*s\n", event.len, event.s);
return -1;
}
if (e.type & EVENT_OTHER)
{
LM_ERR("unrecognised event: %.*s\n", event.len, event.s);
return -1;
}
if (!(e.type & rls_events))
{
LM_ERR("event not supported by RLS: %.*s\n", event.len,
event.s);
return -1;
}
if (parse_uri(uri.s, uri.len, &parsed_uri) < 0)
{
LM_ERR("bad uri: %.*s\n", uri.len, uri.s);
return -1;
}
LM_DBG("watcher username: %.*s, watcher domain: %.*s\n",
parsed_uri.user.len, parsed_uri.user.s,
parsed_uri.host.len, parsed_uri.host.s);
if (dbmode==RLS_DB_ONLY)
{
int ret;
lock_get(rls_update_subs_lock);
ret = (update_all_subs_rlsdb(&parsed_uri.user, &parsed_uri.host, &event));
lock_release(rls_update_subs_lock);
return ret;
}
if (rls_table == NULL)
{
LM_ERR("rls_table is NULL\n");
return -1;
}
/* Search through the entire subscription table for matches... */
for (i = 0; i < hash_size; i++)
{
subs_t *subs;
lock_get(&rls_table[i].lock);
subs = rls_table[i].entries->next;
while (subs != NULL)
{
if (subs->watcher_user.len == parsed_uri.user.len &&
strncmp(subs->watcher_user.s, parsed_uri.user.s, parsed_uri.user.len) == 0 &&
subs->watcher_domain.len == parsed_uri.host.len &&
strncmp(subs->watcher_domain.s, parsed_uri.host.s, parsed_uri.host.len) == 0 &&
subs->event->evp->type == e.type)
{
subs_t *subs_copy = NULL;
LM_DBG("found matching RLS subscription for: %.*s\n",
subs->pres_uri.len, subs->pres_uri.s);
if ((subs_copy = pres_copy_subs(subs, PKG_MEM_TYPE)) == NULL)
{
LM_ERR("subs_t copy failed\n");
lock_release(&rls_table[i].lock);
return -1;
}
update_a_sub(subs_copy);
}
subs = subs->next;
}
lock_release(&rls_table[i].lock);
}
return 1;
}
int pres_htable_restore(void)
{
/* query all records from presentity table and insert records
* in presentity table */
db_key_t result_cols[6];
db_res_t *result= NULL;
db_row_t *rows= NULL ;
db_val_t *row_vals;
int i;
str user, domain, ev_str, uri, body;
int n_result_cols= 0;
int user_col, domain_col, event_col, expires_col, body_col = 0, etag_col;
int event;
event_t ev;
char* sphere= NULL;
int nr_rows;
str etag;
int no_rows = 10;
result_cols[user_col= n_result_cols++]= &str_username_col;
result_cols[domain_col= n_result_cols++]= &str_domain_col;
result_cols[event_col= n_result_cols++]= &str_event_col;
result_cols[expires_col= n_result_cols++]= &str_expires_col;
result_cols[etag_col= n_result_cols++]= &str_etag_col;
if(sphere_enable)
result_cols[body_col= n_result_cols++]= &str_body_col;
if (pa_dbf.use_table(pa_db, &presentity_table) < 0)
{
LM_ERR("unsuccessful use table sql operation\n");
goto error;
}
/* select the whole tabel and all the columns */
if (DB_CAPABILITY(pa_dbf, DB_CAP_FETCH))
{
if(pa_dbf.query(pa_db,0,0,0,result_cols, 0,
n_result_cols, result_cols[user_col], 0) < 0)
{
LM_ERR("Error while querying (fetch) database\n");
return -1;
}
no_rows = estimate_available_rows( 32+32+32+4+64, n_result_cols);
if (no_rows==0) no_rows = 10;
if(pa_dbf.fetch_result(pa_db,&result, no_rows)<0)
{
LM_ERR("fetching rows failed\n");
return -1;
}
} else
{
if (pa_dbf.query (pa_db, 0, 0, 0,result_cols,0, n_result_cols,
result_cols[user_col], &result) < 0)
{
LM_ERR("querying presentity\n");
goto error;
}
}
nr_rows = RES_ROW_N(result);
do {
LM_DBG("loading information from database for %i records\n", nr_rows);
rows = RES_ROWS(result);
/* for every row */
for(i=0; i<nr_rows; i++)
{
row_vals = ROW_VALUES(rows + i);
if (VAL_NULL(row_vals) || VAL_NULL(row_vals+1))
{
LM_ERR("columns %.*s or/and %.*s cannot be null -> skipping\n",
str_username_col.len, str_username_col.s,
str_domain_col.len, str_domain_col.s);
continue;
}
if (VAL_NULL(row_vals+2) || VAL_NULL(row_vals+3))
{
LM_ERR("columns %.*s or/and %.*s cannot be null -> skipping\n",
str_event_col.len, str_event_col.s,
str_domain_col.len, str_domain_col.s);
continue;
}
if(row_vals[expires_col].val.int_val< (int)time(NULL))
continue;
sphere= NULL;
user.s= (char*)row_vals[user_col].val.string_val;
user.len= strlen(user.s);
domain.s= (char*)row_vals[domain_col].val.string_val;
domain.len= strlen(domain.s);
ev_str.s= (char*)row_vals[event_col].val.string_val;
ev_str.len= strlen(ev_str.s);
etag.s= (char*)row_vals[etag_col].val.string_val;
etag.len= strlen(etag.s);
if(event_parser(ev_str.s, ev_str.len, &ev)< 0)
{
LM_ERR("parsing event\n");
free_event_params(ev.params, PKG_MEM_TYPE);
goto error;
}
event= ev.parsed;
free_event_params(ev.params, PKG_MEM_TYPE);
if(uandd_to_uri(user, domain, &uri)< 0)
{
LM_ERR("constructing uri\n");
goto error;
}
/* insert in hash_table*/
if(sphere_enable && event== EVENT_PRESENCE )
{
body.s= (char*)row_vals[body_col].val.string_val;
body.len= strlen(body.s);
sphere= extract_sphere(body);
}
if(insert_phtable(&uri, event, &etag, sphere, 0)== NULL)
{
LM_ERR("inserting record in presentity hash table");
pkg_free(uri.s);
if(sphere)
pkg_free(sphere);
goto error;
}
if(sphere)
pkg_free(sphere);
pkg_free(uri.s);
}
/* any more data to be fetched ?*/
if (DB_CAPABILITY(pa_dbf, DB_CAP_FETCH))
{
if (pa_dbf.fetch_result( pa_db, &result, no_rows) < 0)
{
LM_ERR("fetching more rows failed\n");
goto error;
}
nr_rows = RES_ROW_N(result);
} else
nr_rows = 0;
}while (nr_rows>0);
pa_dbf.free_result(pa_db, result);
return 0;
error:
if(result)
pa_dbf.free_result(pa_db, result);
return -1;
}
