int send_notify(xmlDocPtr * rlmi_doc, char * buf, int buf_len,
const str bstr, subs_t * dialog, unsigned int hash_code)
{
int result = 0;
str rlmi_cont= {0, 0}, multi_cont;
xmlDocDumpFormatMemory(*rlmi_doc,(xmlChar**)(void*)&rlmi_cont.s,
&rlmi_cont.len, 0);
multi_cont.s= buf;
multi_cont.len= buf_len;
result =agg_body_sendn_update(&dialog->pres_uri, bstr.s, &rlmi_cont,
(buf_len==0)?NULL:&multi_cont, dialog, hash_code);
xmlFree(rlmi_cont.s);
xmlFreeDoc(*rlmi_doc);
*rlmi_doc= NULL;
return result;
}
void timer_send_notify(unsigned int ticks,void *param)
{
db_key_t query_cols[2], update_cols[1], result_cols[7];
db_val_t query_vals[2], update_vals[1];
int did_col, resource_uri_col, auth_state_col, reason_col,
body_col, ctype_col;
int n_result_cols= 0, i;
db_res_t *result= NULL;
char* prev_did= NULL, * curr_did= NULL;
db_row_t *row;
db_val_t *row_vals;
char* resource_uri;
str body;
str callid, to_tag, from_tag;
xmlDocPtr rlmi_doc= NULL;
xmlNodePtr list_node= NULL, instance_node= NULL, resource_node;
unsigned int hash_code= 0;
int len;
int size= BUF_REALLOC_SIZE, buf_len= 0;
char* buf= NULL, *auth_state= NULL;
int contor= 0, auth_state_flag;
str bstr= {0, 0};
str rlmi_cont= {0, 0}, multi_cont;
subs_t* s, *dialog= NULL;
char* rl_uri= NULL;
char* str_aux = NULL;
str ctype, cid;
int add_len;
query_cols[0]= &str_updated_col;
query_vals[0].type = DB_INT;
query_vals[0].nul = 0;
query_vals[0].val.int_val= UPDATED_TYPE;
result_cols[did_col= n_result_cols++]= &str_rlsubs_did_col;
result_cols[resource_uri_col= n_result_cols++]= &str_resource_uri_col;
result_cols[auth_state_col= n_result_cols++]= &str_auth_state_col;
result_cols[ctype_col= n_result_cols++]= &str_content_type_col;
result_cols[reason_col= n_result_cols++]= &str_reason_col;
result_cols[body_col= n_result_cols++]= &str_presence_state_col;
/* query in alfabetical order after rlsusbs_did
* (resource list Subscribe dialog indentifier)*/
if (rls_dbf.use_table(rls_db, &rlpres_table) < 0)
{
LM_ERR("in use_table\n");
goto done;
}
if(rls_dbf.query(rls_db, query_cols, 0, query_vals, result_cols,
1, n_result_cols, &str_rlsubs_did_col, &result)< 0)
{
LM_ERR("in sql query\n");
goto done;
}
if(result== NULL || result->n<= 0)
goto done;
/* update the rlpres table */
update_cols[0]= &str_updated_col;
update_vals[0].type = DB_INT;
update_vals[0].nul = 0;
update_vals[0].val.int_val= NO_UPDATE_TYPE;
if (rls_dbf.use_table(rls_db, &rlpres_table) < 0)
{
LM_ERR("in use_table\n");
goto error;
}
if(rls_dbf.update(rls_db, query_cols, 0, query_vals, update_cols,
update_vals, 1, 1)< 0)
{
LM_ERR("in sql update\n");
goto error;
}
/* generate the boundary string */
bstr.s= generate_string((int)time(NULL), BOUNDARY_STRING_LEN);
if(bstr.s == NULL)
{
LM_ERR("failed to generate random string\n");
goto error;
}
bstr.len= strlen(bstr.s);
/* for the multipart body , use here also an initial allocated
* and reallocated on need buffer */
buf= pkg_malloc(size);
if(buf== NULL)
{
ERR_MEM(PKG_MEM_STR);
}
LM_DBG("found %d records with updated state\n", result->n);
for(i= 0; i< result->n; i++)
{
row = &result->rows[i];
row_vals = ROW_VALUES(row);
curr_did= (char*)row_vals[did_col].val.string_val;
resource_uri= (char*)row_vals[resource_uri_col].val.string_val;
auth_state_flag= row_vals[auth_state_col].val.int_val;
body.s= (char*)row_vals[body_col].val.string_val;
body.len= strlen(body.s);
ctype.s = (char*)row_vals[ctype_col].val.string_val;
ctype.len = strlen(ctype.s);
/* if all the info for one dialog have been collected -> send notify */
/* the 'dialog' variable must be filled with the dialog info */
/* 'buf' must contain the body */
if(prev_did!= NULL && strcmp(prev_did, curr_did))
{
xmlDocDumpMemory(rlmi_doc,(xmlChar**)(void*)&rlmi_cont.s,
&rlmi_cont.len);
multi_cont.s= buf;
multi_cont.len= buf_len;
if(agg_body_sendn_update(&dialog->pres_uri, bstr, &rlmi_cont,
(buf_len==0)?NULL:&multi_cont, dialog, hash_code)<0)
{
LM_ERR("in function agg_body_sendn_update\n");
goto error;
}
xmlFree(rlmi_cont.s);
xmlFreeDoc(rlmi_doc);
rlmi_doc= NULL;
pkg_free(rl_uri);
rl_uri= NULL;
pkg_free(dialog);
dialog= NULL;
}
/* for the new dialog -> search the dialog info and
* fill the dialog structure and start a new rlmi document */
if(prev_did== NULL || strcmp(prev_did, curr_did))
{
/* search the subscription in rlsubs_table*/
if( parse_rlsubs_did(curr_did, &callid, &from_tag, &to_tag)< 0)
{
LM_ERR("bad format for "
"resource list Subscribe dialog indentifier(rlsubs did)\n");
prev_did = NULL;
continue;
}
hash_code= core_hash(&callid, &to_tag, hash_size);
lock_get(&rls_table[hash_code].lock);
s= pres_search_shtable(rls_table,callid,to_tag,from_tag,hash_code);
if(s== NULL)
{
LM_DBG("record not found in hash_table [rlsubs_did]= %s\n",
curr_did);
LM_DBG("callid= %.*s\tfrom_tag= %.*s\tto_tag= %.*s\n",
callid.len, callid.s,from_tag.len,from_tag.s,
to_tag.len,to_tag.s);
lock_release(&rls_table[hash_code].lock);
prev_did = NULL;
continue;
}
LM_DBG("Found rl-subs record in hash table\n");
/* save dialog info and rl_uri*/
dialog= pres_copy_subs(s, PKG_MEM_TYPE);
if(dialog== NULL)
{
LM_ERR("while copying subs_t structure\n");
lock_release(&rls_table[hash_code].lock);
goto done;
}
dialog->expires-= (int)time(NULL);
lock_release(&rls_table[hash_code].lock);
/* make new rlmi and multipart documents */
rlmi_doc= xmlNewDoc(BAD_CAST "1.0");
if(rlmi_doc== NULL)
{
LM_ERR("when creating new xml doc\n");
goto done;
}
list_node= xmlNewNode(NULL, BAD_CAST "list");
if(list_node== NULL)
{
LM_ERR("while creating new xml node\n");
goto done;
}
rl_uri= (char*)pkg_malloc((dialog->pres_uri.len+ 1)* sizeof(char));
if(rl_uri== NULL)
{
ERR_MEM(PKG_MEM_STR);
}
memcpy(rl_uri, dialog->pres_uri.s, dialog->pres_uri.len);
rl_uri[dialog->pres_uri.len]= '\0';
xmlNewProp(list_node, BAD_CAST "uri", BAD_CAST rl_uri);
xmlNewProp(list_node, BAD_CAST "xmlns", BAD_CAST "urn:ietf:params:xml:ns:rlmi");
xmlNewProp(list_node, BAD_CAST "version", BAD_CAST int2str(dialog->version, &len));
xmlNewProp(list_node, BAD_CAST "fullState", BAD_CAST "false");
xmlDocSetRootElement(rlmi_doc, list_node);
buf_len= 0;
/* !!!! for now I will include the auth state without checking if
* it has changed - > in future chech if it works */
}
/* add a node in rlmi_doc and if any presence state registered add
* it in the buffer */
resource_node= xmlNewChild(list_node,NULL,BAD_CAST "resource", NULL);
if(resource_node== NULL)
{
LM_ERR("when adding resource child\n");
goto done;
}
xmlNewProp(resource_node, BAD_CAST "uri", BAD_CAST resource_uri);
/* there might be more records with the same uri- more instances-
* search and add them all */
contor= 0;
while(1)
{
contor++;
cid.s= NULL;
instance_node= xmlNewChild(resource_node, NULL,
BAD_CAST "instance", NULL);
if(instance_node== NULL)
{
LM_ERR("while adding instance child\n");
goto error;
}
str_aux = generate_string(contor, 8);
if(str_aux == NULL)
{
LM_ERR("failed to create random string\n");
goto error;
}
xmlNewProp(instance_node, BAD_CAST "id",
BAD_CAST str_aux);
pkg_free(str_aux);
auth_state= get_auth_string(auth_state_flag);
if(auth_state== NULL)
{
LM_ERR("bad authorization status flag\n");
goto error;
}
xmlNewProp(instance_node, BAD_CAST "state", BAD_CAST auth_state);
if(auth_state_flag & ACTIVE_STATE)
{
cid.s= generate_cid(resource_uri, strlen(resource_uri));
cid.len = strlen(cid.s);
xmlNewProp(instance_node, BAD_CAST "cid", BAD_CAST cid.s);
}
else
if(auth_state_flag & TERMINATED_STATE)
{
xmlNewProp(instance_node, BAD_CAST "reason",
BAD_CAST row_vals[resource_uri_col].val.string_val);
}
/* add in the multipart buffer */
if(cid.s)
{
APPEND_MULTIPART_BODY();
pkg_free(cid.s);
cid.s = NULL;
}
i++;
if(i== result->n)
{
i--;
break;
}
row = &result->rows[i];
row_vals = ROW_VALUES(row);
if(strncmp(row_vals[resource_uri_col].val.string_val,resource_uri,
strlen(resource_uri)) || strncmp(curr_did,
row_vals[did_col].val.string_val, strlen(curr_did)))
{
i--;
break;
}
resource_uri= (char*)row_vals[resource_uri_col].val.string_val;
auth_state_flag= row_vals[auth_state_col].val.int_val;
body.s= (char*)row_vals[body_col].val.string_val;
body.len = strlen(body.s);
}
prev_did= curr_did;
}
if(rlmi_doc)
{
xmlDocDumpMemory( rlmi_doc,(xmlChar**)(void*)&rlmi_cont.s,
&rlmi_cont.len);
multi_cont.s= buf;
multi_cont.len= buf_len;
if(agg_body_sendn_update(&dialog->pres_uri, bstr, &rlmi_cont,
(buf_len==0)?NULL:&multi_cont, dialog, hash_code)<0)
{
LM_ERR("in function agg_body_sendn_update\n");
goto error;
}
xmlFree(rlmi_cont.s);
pkg_free(rl_uri);
rl_uri= NULL;
pkg_free(dialog);
dialog= NULL;
}
error:
done:
if(result)
rls_dbf.free_result(rls_db, result);
if(rlmi_doc)
xmlFreeDoc(rlmi_doc);
if(rl_uri)
pkg_free(rl_uri);
if(bstr.s)
pkg_free(bstr.s);
if(buf)
pkg_free(buf);
if(dialog)
pkg_free(dialog);
return;
}