/*
* Delete a row from the specified table
* _h: structure representing database connection
* _k: key names
* _o: operators
* _v: values of the keys that must match
* _n: number of key=value pairs
*/
int db_delete(db_con_t* _h, db_key_t* _k, db_op_t* _o, db_val_t* _v, int _n)
{
int off, ret;
if (!_h) {
LOG(L_ERR, "db_delete: Invalid parameter value\n");
return -1;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "delete from %s", CON_TABLE(_h));
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, " where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = print_where(CON_CONNECTION(_h), sql_buf + off, SQL_BUF_LEN - off, _k, _o, _v, _n);
if (ret < 0) return -1;
off += ret;
}
*(sql_buf + off) = '\0';
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_delete: Error while submitting query\n");
return -2;
}
return 0;
error:
LOG(L_ERR, "db_delete: Error in snprintf\n");
return -1;
}
/*
* Query table for specified rows
* _h: structure representing database connection
* _k: key names
* _op: operators
* _v: values of the keys that must match
* _c: column names to return
* _n: nmber of key=values pairs to compare
* _nc: number of columns to return
* _o: order by the specified column
*/
int db_query(db_con_t* _h, db_key_t* _k, db_op_t* _op,
db_val_t* _v, db_key_t* _c, int _n, int _nc,
db_key_t _o, db_res_t** _r)
{
int off, rv;
if (!_c) {
off = snprintf(sql_buf, SQL_BUF_LEN,
"select * from %s ", CON_TABLE(_h));
} else {
off = snprintf(sql_buf, SQL_BUF_LEN, "select ");
off += print_columns(sql_buf + off, SQL_BUF_LEN - off, _c, _nc);
off += snprintf(sql_buf + off, SQL_BUF_LEN - off,
"from %s ", CON_TABLE(_h));
}
if (_n) {
off += snprintf(sql_buf + off, SQL_BUF_LEN - off, "where ");
off += print_where(sql_buf + off, SQL_BUF_LEN - off,
_k, _op, _v, _n);
}
if (_o) {
off += snprintf(sql_buf + off, SQL_BUF_LEN - off,
"order by %s", _o);
}
if(begin_transaction(_h, sql_buf)) return(-1);
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_query(): Error while submitting query\n");
return -2;
}
rv = get_result(_h, _r);
free_query(_h);
commit_transaction(_h);
return(rv);
}
int db_do_delete( db_con_t* _h, db_key_t* _k, db_op_t* _o,
db_val_t* _v, int _n, int (*val2str) ( db_con_t*,
db_val_t*, char*, int*), int (*submit_query)( db_con_t* _h,
str* _c),str *query_holder)
{
int off, ret;
str sql_str;
char sql_buf[SQL_BUF_LEN];
if (!_h || !val2str || (!submit_query && !query_holder)) {
LM_ERR("invalid parameter value\n");
return -1;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "delete from %.*s", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, " where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = db_print_where(_h, sql_buf + off,
SQL_BUF_LEN - off, _k, _o, _v, _n, val2str);
if (ret < 0) return -1;
off += ret;
}
if (off + 1 > SQL_BUF_LEN) goto error;
sql_buf[off] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
if (submit_query)
{
if (submit_query(_h, &sql_str) < 0) {
LM_ERR("error while submitting query\n");
return -2;
}
}
else
{
query_holder->s = pkg_malloc(off);
if (!query_holder->s)
{
LM_ERR("no more pkg mem\n");
return -2;
}
memcpy(query_holder->s,sql_buf,off);
query_holder->len = off;
}
return 0;
error:
LM_ERR("error while preparing delete operation\n");
return -1;
}
/*
* Query table for specified rows
* _h: structure representing database connection
* _k: key names
* _op: operators
* _v: values of the keys that must match
* _c: column names to return
* _n: number of key=values pairs to compare
* _nc: number of columns to return
* _o: order by the specified column
*/
int db_query(db_con_t* _h, db_key_t* _k, db_op_t* _op,
db_val_t* _v, db_key_t* _c, int _n, int _nc,
db_key_t _o, db_res_t** _r)
{
int off, ret;
if (!_h) {
LOG(L_ERR, "db_query: Invalid parameter value\n");
return -1;
}
if (!_c) {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select * from %s ", CON_TABLE(_h));
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
} else {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select ");
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = print_columns(sql_buf + off, SQL_BUF_LEN - off, _c, _nc);
if (ret < 0) return -1;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "from %s ", CON_TABLE(_h));
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = print_where(CON_CONNECTION(_h), sql_buf + off, SQL_BUF_LEN - off, _k, _op, _v, _n);
if (ret < 0) return -1;;
off += ret;
}
if (_o) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "order by %s", _o);
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
*(sql_buf + off) = '\0';
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_query: Error while submitting query\n");
return -2;
}
return store_result(_h, _r);
error:
LOG(L_ERR, "db_query: Error in snprintf\n");
return -1;
}
static void do_query(ruli_res_t *res_ctx, const char *name, int cname)
{
int name_len = strlen(name);
char *dname_buf;
int dname_buf_len;
int dname_len;
char *i;
dname_buf_len = ruli_dname_encode_size(name, name_len);
/* Allocate buffer */
dname_buf = (char *) ruli_malloc(dname_buf_len);
if (!dname_buf) {
fprintf(stderr,
"%s: do_query(): ruli_malloc(%d) failed: %s\n",
prog_name, dname_buf_len, strerror(errno));
return;
}
i = ruli_dname_encode(dname_buf, dname_buf_len, name, name_len);
if (!i) {
const int DOM_BUFSZ = 256;
char dom_buf[DOM_BUFSZ];
int dom_len = RULI_MIN(name_len, DOM_BUFSZ - 1);
memcpy(dom_buf, name, dom_len);
dom_buf[dom_len] = '\0';
fprintf(stderr,
"%s: do_query(): can't encode domain: (total_len=%d displaying=%d) %s\n",
prog_name, name_len, dom_len, dom_buf);
return;
}
dname_len = i - dname_buf;
/*
* Send query
*/
{
ruli_host_t *qry = submit_query(res_ctx, dname_buf, dname_len,
name, name_len, cname);
if (!qry) {
fprintf(stderr,
"%s: do_query(): could not send query\n",
prog_name);
return;
}
}
}
/*
* Execute a raw SQL query
*/
int db_raw_query(db_con_t* _h, char* _s, db_res_t** _r)
{
int rv;
if(begin_transaction(_h, sql_buf)) return(-1);
if (submit_query(_h, _s) < 0) {
LOG(L_ERR, "db_raw_query(): Error while submitting query\n");
return -2;
}
rv = get_result(_h, _r);
free_query(_h);
commit_transaction(_h);
return(rv);
}
int db_do_update(const db_con_t* _h, const db_key_t* _k, const db_op_t* _o,
const db_val_t* _v, const db_key_t* _uk, const db_val_t* _uv, const int _n,
const int _un, int (*val2str) (const db_con_t*, const db_val_t*, char*, int*),
int (*submit_query)(const db_con_t* _h, const str* _c))
{
int off, ret;
if (!_h || !_uk || !_uv || !_un || !val2str || !submit_query) {
LM_ERR("invalid parameter value\n");
goto err_exit;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "update %.*s set ", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = db_print_set(_h, sql_buf + off, SQL_BUF_LEN - off, _uk, _uv, _un, val2str);
if (ret < 0) goto err_exit;
off += ret;
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, " where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = db_print_where(_h, sql_buf + off, SQL_BUF_LEN - off, _k, _o, _v, _n, val2str);
if (ret < 0) goto err_exit;
off += ret;
}
if (off + 1 > SQL_BUF_LEN) goto error;
sql_buf[off] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
if (submit_query(_h, &sql_str) < 0) {
LM_ERR("error while submitting query\n");
CON_OR_RESET(_h);
return -2;
}
CON_OR_RESET(_h);
return 0;
error:
LM_ERR("error while preparing update operation\n");
err_exit:
CON_OR_RESET(_h);
return -1;
}
/*
* Execute a raw SQL query
*/
int db_raw_query(db_con_t* _h, char* _s, db_res_t** _r)
{
if ((!_h) || (!_s)) {
LOG(L_ERR, "db_raw_query: Invalid parameter value\n");
return -1;
}
if (submit_query(_h, _s) < 0) {
LOG(L_ERR, "db_raw_query: Error while submitting query\n");
return -2;
}
if(_r)
return store_result(_h, _r);
return 0;
}
int db_do_replace( db_con_t* _h, db_key_t* _k, db_val_t* _v,
int _n, int (*val2str) ( db_con_t*, db_val_t*, char*,
int*), int (*submit_query)( db_con_t* _h, str* _c))
{
int off, ret;
str sql_str;
char sql_buf[SQL_BUF_LEN];
if (!_h || !_k || !_v || !val2str|| !submit_query) {
LM_ERR("invalid parameter value\n");
return -1;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "replace %.*s (", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = db_print_columns(sql_buf + off, SQL_BUF_LEN - off, _k, _n);
if (ret < 0) return -1;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values (");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = db_print_values(_h, sql_buf + off, SQL_BUF_LEN - off, _v, _n,
val2str);
if (ret < 0) return -1;
off += ret;
if (off + 2 > SQL_BUF_LEN) goto error;
sql_buf[off++] = ')';
sql_buf[off] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
if (submit_query(_h, &sql_str) < 0) {
LM_ERR("error while submitting query\n");
return -2;
}
return 0;
error:
LM_ERR("error while preparing replace operation\n");
return -1;
}
/*
* Delete a row from the specified table
* _h: structure representing database connection
* _k: key names
* _o: operators
* _v: values of the keys that must match
* _n: number of key=value pairs
*/
int db_delete(db_con_t* _h, db_key_t* _k, db_op_t* _o, db_val_t* _v, int _n)
{
int off;
off = snprintf(sql_buf, SQL_BUF_LEN, "delete from %s", CON_TABLE(_h));
if (_n) {
off += snprintf(sql_buf + off, SQL_BUF_LEN - off, " where ");
off += print_where(sql_buf + off, SQL_BUF_LEN - off, _k,
_o, _v, _n);
}
if(begin_transaction(_h, sql_buf)) return(-1);
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_delete(): Error while deleting\n");
return -2;
}
free_query(_h);
commit_transaction(_h);
return(0);
}
bool db_query_widget::init(const db_connection *cnn, const QString &SQL)
{
pv_cnn = cnn;
pv_SQL = SQL;
pv_vlayout = new QVBoxLayout(this);
lb_title = new QLabel(tr("SQL query widget - Connection: " ) + pv_cnn->get_cnn_name());
pv_vlayout->addWidget(lb_title);
pv_table = new QTableWidget(this);
pv_vlayout->addWidget(pv_table);
le_sql = new db_mem_lineedit;
pv_vlayout->addWidget(le_sql);
pv_hlayout = new QHBoxLayout(this);
pv_vlayout->addLayout(pv_hlayout);
pb_submit = new QPushButton(tr("&Submit"));
pv_hlayout->addWidget(pb_submit);
pb_html = new QPushButton(tr("&Export HTML"));
pv_hlayout->addWidget(pb_html);
pb_pdf = new QPushButton(tr("Export PDF"));
pv_hlayout->addWidget(pb_pdf);
lb_status = new QLabel(tr("Ready"));
pv_vlayout->addWidget(lb_status);
//pv_printer = new QPrinter;
//pv_painter = new QPainter;
pv_text_doc = new QTextDocument(this);
te_text = new QTextEdit;
//te_text->show();
pv_table->setEditTriggers(QAbstractItemView::NoEditTriggers);
pv_query = new QSqlQuery(pv_cnn->get_db());
if(!pv_SQL.isEmpty()){
new_query(pv_SQL);
}
//pv_label.init(cnn);
connect(pb_submit, SIGNAL(clicked()),this, SLOT(submit_query()));
connect(pb_html, SIGNAL(clicked()),this, SLOT(export_html()));
connect(pb_pdf, SIGNAL(clicked()),this, SLOT(export_pdf()));
return true;
}
/*
* Insert a row into specified table
* _h: structure representing database connection
* _k: key names
* _v: values of the keys
* _n: number of key=value pairs
*/
int db_insert(db_con_t* _h, db_key_t* _k, db_val_t* _v, int _n)
{
int off;
off = snprintf(sql_buf, SQL_BUF_LEN, "insert into %s (", CON_TABLE(_h));
off += print_columns(sql_buf + off, SQL_BUF_LEN - off, _k, _n);
off += snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values (");
off += print_values(sql_buf + off, SQL_BUF_LEN - off, _v, _n);
*(sql_buf + off++) = ')';
*(sql_buf + off) = '\0';
if(begin_transaction(_h, sql_buf)) return(-1);
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_insert(): Error while inserting\n");
return -2;
}
free_query(_h);
commit_transaction(_h);
return(0);
}
static inline int db_do_submit_query(const db1_con_t* _h, const str *_query,
int (*submit_query)(const db1_con_t*, const str*))
{
int ret;
unsigned int ms = 0;
if(unlikely(cfg_get(core, core_cfg, latency_limit_action)>0))
ms = TICKS_TO_MS(get_ticks_raw());
ret = submit_query(_h, _query);
if(unlikely(cfg_get(core, core_cfg, latency_limit_action)>0)) {
ms = TICKS_TO_MS(get_ticks_raw()) - ms;
if(ms >= cfg_get(core, core_cfg, latency_limit_action)) {
LOG(cfg_get(core, core_cfg, latency_log),
"alert - query execution too long [%u ms] for [%.*s]\n",
ms, _query->len<50?_query->len:50, _query->s);
}
}
return ret;
}
/*
* Update some rows in the specified table
* _h: structure representing database connection
* _k: key names
* _o: operators
* _v: values of the keys that must match
* _uk: updated columns
* _uv: updated values of the columns
* _n: number of key=value pairs
* _un: number of columns to update
*/
int db_update(db_con_t* _h, db_key_t* _k, db_op_t* _o, db_val_t* _v,
db_key_t* _uk, db_val_t* _uv, int _n, int _un)
{
int off;
off = snprintf(sql_buf, SQL_BUF_LEN, "update %s set ", CON_TABLE(_h));
off += print_set(sql_buf + off, SQL_BUF_LEN - off, _uk, _uv, _un);
if (_n) {
off += snprintf(sql_buf + off, SQL_BUF_LEN - off, " where ");
off += print_where(sql_buf + off, SQL_BUF_LEN - off, _k,
_o, _v, _n);
*(sql_buf + off) = '\0';
}
if(begin_transaction(_h, sql_buf)) return(-1);
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_update(): Error while updating\n");
return -2;
}
free_query(_h);
commit_transaction(_h);
return(0);
}
/*
* Insert a row into specified table
* _h: structure representing database connection
* _k: key names
* _v: values of the keys
* _n: number of key=value pairs
*/
int db_insert(db_con_t* _h, db_key_t* _k, db_val_t* _v, int _n)
{
int off, ret;
if ((!_h) || (!_k) || (!_v) || (!_n)) {
LOG(L_ERR, "db_insert: Invalid parameter value\n");
return -1;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "insert into %s (", CON_TABLE(_h));
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = print_columns(sql_buf + off, SQL_BUF_LEN - off, _k, _n);
if (ret < 0) return -1;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values (");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = print_values(CON_CONNECTION(_h), sql_buf + off, SQL_BUF_LEN - off, _v, _n);
if (ret < 0) return -1;
off += ret;
*(sql_buf + off++) = ')';
*(sql_buf + off) = '\0';
if (submit_query(_h, sql_buf) < 0) {
LOG(L_ERR, "db_insert: Error while submitting query\n");
return -2;
}
return 0;
error:
LOG(L_ERR, "db_insert: Error in snprintf\n");
return -1;
}
/*
* Just like insert, but replace the row if it exists
*/
int db_replace(db_con_t* handle, db_key_t* keys, db_val_t* vals, int n)
{
int off, ret;
if (!handle || !keys || !vals) {
LOG(L_ERR, "db_replace: Invalid parameter value\n");
return -1;
}
ret = snprintf(sql_buf, SQL_BUF_LEN, "replace %s (", CON_TABLE(handle));
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = print_columns(sql_buf + off, SQL_BUF_LEN - off, keys, n);
if (ret < 0) return -1;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values (");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = print_values(CON_CONNECTION(handle), sql_buf + off, SQL_BUF_LEN - off, vals, n);
if (ret < 0) return -1;
off += ret;
*(sql_buf + off++) = ')';
*(sql_buf + off) = '\0';
if (submit_query(handle, sql_buf) < 0) {
LOG(L_ERR, "db_replace: Error while submitting query\n");
return -2;
}
return 0;
error:
LOG(L_ERR, "db_replace: Error in snprintf\n");
return -1;
}
int db_do_raw_query(const db_con_t* _h, const str* _s, db_res_t** _r,
int (*submit_query)(const db_con_t* _h, const str* _c),
int (*store_result)(const db_con_t* _h, db_res_t** _r))
{
if (!_h || !_s || !submit_query || !store_result) {
LM_ERR("invalid parameter value\n");
return -1;
}
if (submit_query(_h, _s) < 0) {
LM_ERR("error while submitting query\n");
return -2;
}
if(_r) {
int tmp = store_result(_h, _r);
if (tmp < 0) {
LM_ERR("error while storing result");
return tmp;
}
}
return 0;
}
int db_do_query(const db_con_t* _h, const db_key_t* _k, const db_op_t* _op,
const db_val_t* _v, const db_key_t* _c, const int _n, const int _nc,
const db_key_t _o, db_res_t** _r, int (*val2str) (const db_con_t*,
const db_val_t*, char*, int* _len), int (*submit_query)(const db_con_t*,
const str*), int (*store_result)(const db_con_t* _h, db_res_t** _r))
{
int off, ret;
if (!_h || !val2str || !submit_query || (_r && !store_result)) {
LM_ERR("invalid parameter value\n");
goto err_exit;
}
if (!_c) {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select * from %.*s ", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
} else {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select ");
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = db_print_columns(sql_buf + off, SQL_BUF_LEN - off, _c, _nc);
if (ret < 0) goto err_exit;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "from %.*s ", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = db_print_where(_h, sql_buf + off,
SQL_BUF_LEN - off, _k, _op, _v, _n, val2str);
if (ret < 0) goto err_exit;
off += ret;
}
if (_o) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, " order by %.*s", _o->len, _o->s);
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
/*
* Null-terminate the string for the postgres driver. Its query function
* don't support a length parameter, so they need this for the correct
* function of strlen. This zero is not included in the 'str' length.
* We need to check the length here, otherwise we could overwrite the buffer
* boundaries if off is equal to SQL_BUF_LEN.
*/
if (off + 1 >= SQL_BUF_LEN) goto error;
sql_buf[off + 1] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
if (submit_query(_h, &sql_str) < 0) {
LM_ERR("error while submitting query - [%.*s]\n",sql_str.len,sql_str.s);
goto err_exit;
}
if(_r) {
int tmp = store_result(_h, _r);
if (tmp < 0) {
LM_ERR("error while storing result for query [%.*s]\n",sql_str.len,sql_str.s);
CON_OR_RESET(_h);
return tmp;
}
}
CON_OR_RESET(_h);
return 0;
error:
LM_ERR("error while preparing query\n");
err_exit:
CON_OR_RESET(_h);
return -1;
}
int db_do_insert(const db_con_t* _h, const db_key_t* _k, const db_val_t* _v,
const int _n, int (*val2str) (const db_con_t*, const db_val_t*, char*, int*),
int (*submit_query)(const db_con_t* _h, const str* _c))
{
int off, ret,i,no_rows=0;
db_val_t **buffered_rows = NULL;
if (!_h || !_k || !_v || !_n || !val2str || !submit_query) {
LM_ERR("invalid parameter value\n");
return -1;
}
/* insert buffering is enabled ? */
if (CON_HAS_INSLIST(_h) && !CON_HAS_PS(_h))
{
LM_DBG("inlist %p\n",CON_HAS_INSLIST(_h));
if (IS_INSTANT_FLUSH(_h))
{
LM_DBG("timer wishing to flush \n");
/* if caller signals it's flush time ( timer, etc ),
* detach rows in queue
* the caller is holding the lock at this point */
no_rows = ql_detach_rows_unsafe(_h->ins_list,&buffered_rows);
CON_FLUSH_RESET(_h,_h->ins_list);
if (no_rows == -1)
{
LM_ERR("failed to detach rows for insertion\n");
goto error;
}
if (no_rows > 0)
goto build_query;
else
{
/* caller wanted to make sure that everything if flushed
* but queue is empty */
return 0;
}
}
/* if connection has prepared statement, leave
the row insertion to the proper module func,
as the submit_query func provided is a dummy one*/
if ( (no_rows = ql_row_add(_h->ins_list,_v,&buffered_rows)) < 0)
{
LM_ERR("failed to insert row to buffered list \n");
goto error;
}
LM_DBG("no rows = %d\n",no_rows);
if (no_rows == 0)
{
/* wait for queries to pile up */
return 0;
}
}
build_query:
ret = snprintf(sql_buf, SQL_BUF_LEN, "insert into %.*s (", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = db_print_columns(sql_buf + off, SQL_BUF_LEN - off, _k, _n);
if (ret < 0) goto error;
off += ret;
if (CON_HAS_INSLIST(_h))
{
if (buffered_rows != NULL || CON_HAS_PS(_h))
{
/* if we have to insert now, build the query
*
* if a prep stmt is provided,
* build a prep stmt with query_buffer_size elements */
if (CON_HAS_PS(_h))
no_rows = query_buffer_size;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
for (i=0;i<no_rows;i++)
{
sql_buf[off++]='(';
ret = db_print_values(_h, sql_buf + off, SQL_BUF_LEN - off,
CON_HAS_PS(_h)?_v:buffered_rows[i], _n, val2str);
if (ret < 0) goto error;
off += ret;
sql_buf[off++]=')';
if (i != (no_rows -1))
sql_buf[off++]=',';
/* if we have a PS, leave the function handling prep stmts
in the module to free the rows once it's done */
if (!CON_HAS_PS(_h)) {
shm_free(buffered_rows[i]);
buffered_rows[i] = NULL;
}
}
if (off + 1 > SQL_BUF_LEN) goto error0;
sql_buf[off] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
goto submit;
}
else
{
/* wait for queries to pile up */
return 0;
}
}
else
{
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, ") values (");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error0;
off += ret;
ret = db_print_values(_h, sql_buf + off, SQL_BUF_LEN - off, _v, _n, val2str);
if (ret < 0) goto error0;
off += ret;
if (off + 2 > SQL_BUF_LEN) goto error0;
}
sql_buf[off++] = ')';
sql_buf[off] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
submit:
if (submit_query(_h, &sql_str) < 0) {
LM_ERR("error while submitting query\n");
return -2;
}
return 0;
error:
cleanup_rows(buffered_rows);
error0:
LM_ERR("error while preparing insert operation\n");
return -1;
}
static void *on_stdin_read(oop_source *oop_src, int std_in,
oop_event event, void *ctx)
{
ruli_res_t *res_ctx = (ruli_res_t *) ctx;
int result;
const int QBUF_SIZE = sizeof(srv_qbuf_t);
assert(std_in == 0);
assert(event == OOP_READ);
/*
* Read stdin
*/
result = read_stdin(std_in);
switch (result) {
case STDIN_READ_OK:
break;
case STDIN_READ_BLOCK:
return OOP_CONTINUE;
case STDIN_READ_EOF:
/* Stop monitoring stdin */
oop_src->cancel_fd(oop_src, std_in, OOP_READ);
return OOP_CONTINUE;
case STDIN_READ_ERROR:
return OOP_HALT;
case STDIN_READ_OVERFLOW:
fprintf(stderr,
"%s: on_stdin_read(): stdin read buffer overflow\n",
prog_name);
reset_stdin_buf();
return OOP_CONTINUE;
default:
assert(0); /* NOT REACHED */
}
/*
* Scan possible hostnames from stdin
*/
for (;;) {
srv_qbuf_t *qbuf;
/* plain domain */
const int domain_buf_size = IN_BUF_SIZE;
char domain[domain_buf_size];
int domain_len;
/*
* Parse hostname
*/
result = get_next_domain(domain, domain_buf_size, &domain_len);
/* If no domain found yet, keep waiting for one */
if (result == PARSE_DOMAIN_NONE)
return OOP_CONTINUE;
/* Do not expect other errors, not even overflow */
assert(!result);
/*
* Now we have the full domain name, submit a query for it
*/
/*
* Break full domain name in service + domain into qbuf
*/
{
char *past_end = domain + domain_len;
char *i = domain;
for (; i < past_end; ++i) {
if (*i == '.') {
++i;
if (i < past_end) {
if (*i != '_')
break;
}
}
}
if (i >= past_end) {
fprintf(stderr,
"%s: on_stdin_read(): could not split service/domain\n",
prog_name);
return OOP_CONTINUE;
}
/* Allocate qbuf */
qbuf = (srv_qbuf_t *) malloc(QBUF_SIZE);
if (!qbuf) {
fprintf(stderr,
"%s: on_stdin_read(): could not allocate srv_qbuf_t: malloc(%d) failed\n",
prog_name, QBUF_SIZE);
return OOP_CONTINUE;
}
qbuf->txt_service_len = i - domain - 1;
assert(qbuf->txt_service_len < QBUFSZ);
memcpy(qbuf->txt_service, domain, qbuf->txt_service_len);
qbuf->txt_service[qbuf->txt_service_len] = '\0';
#ifdef SRVSOLVER_DEBUG
debug_dump_buf(stderr,
"on_stdin_read(): txt_service=%s txt_service_len=%d",
qbuf->txt_service, qbuf->txt_service_len);
#endif
qbuf->txt_domain_len = past_end - i;
assert(qbuf->txt_domain_len < QBUFSZ);
memcpy(qbuf->txt_domain, i, qbuf->txt_domain_len);
qbuf->txt_domain[qbuf->txt_domain_len] = '\0';
#ifdef SRVSOLVER_DEBUG
debug_dump_buf(stderr,
"on_stdin_read(): txt_domain=%s txt_domain_len=%d",
qbuf->txt_domain, qbuf->txt_domain_len);
#endif
}
/*
* Encode buffers in qbuf (txt => raw)
*/
if (encode_srv_qbuf(qbuf)) {
fprintf(stderr,
"%s: on_stdin_read(): could not encode domain in srv_qbuf_t\n",
prog_name);
free(qbuf);
return OOP_CONTINUE;
}
/*
* Send query
*/
{
ruli_srv_t *srv_qry = submit_query(res_ctx, qbuf);
if (!srv_qry) {
fprintf(stderr,
"%s: on_stdin_read(): could not send SRV query\n",
prog_name);
free(qbuf);
return OOP_CONTINUE;
}
}
} /* for loop */
assert(0); /* NOT REACHED */
return OOP_CONTINUE;
}
int db_do_query( db_con_t* _h, db_key_t* _k, db_op_t* _op,
db_val_t* _v, db_key_t* _c, int _n, int _nc,
db_key_t _o, db_res_t** _r, int (*val2str) ( db_con_t*,
db_val_t*, char*, int* _len), int (*submit_query)( db_con_t*,
str*), int (*store_result)( db_con_t* _h, db_res_t** _r),str *query_holder)
{
int off, ret;
str sql_str;
char sql_buf[SQL_BUF_LEN];
if (!_h || !val2str || (!submit_query && !query_holder) || (_r && !store_result)) {
LM_ERR("invalid parameter value\n");
return -1;
}
if (!_c) {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select * from %.*s ", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
} else {
ret = snprintf(sql_buf, SQL_BUF_LEN, "select ");
if (ret < 0 || ret >= SQL_BUF_LEN) goto error;
off = ret;
ret = db_print_columns(sql_buf + off, SQL_BUF_LEN - off, _c, _nc);
if (ret < 0) return -1;
off += ret;
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "from %.*s ", CON_TABLE(_h)->len, CON_TABLE(_h)->s);
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
if (_n) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, "where ");
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
ret = db_print_where(_h, sql_buf + off,
SQL_BUF_LEN - off, _k, _op, _v, _n, val2str);
if (ret < 0) return -1;;
off += ret;
}
if (_o) {
ret = snprintf(sql_buf + off, SQL_BUF_LEN - off, " order by %.*s", _o->len, _o->s);
if (ret < 0 || ret >= (SQL_BUF_LEN - off)) goto error;
off += ret;
}
/*
* Null-terminate the string for the postgres driver. Its query function
* don't support a length parameter, so they need this for the correct
* function of strlen. This zero is not included in the 'str' length.
* We need to check the length here, otherwise we could overwrite the buffer
* boundaries if off is equal to SQL_BUF_LEN.
*/
if (off + 1 >= SQL_BUF_LEN) goto error;
sql_buf[off + 1] = '\0';
sql_str.s = sql_buf;
sql_str.len = off;
if (submit_query)
{
if (submit_query(_h, &sql_str) < 0)
{
LM_ERR("error while submitting query\n");
return -2;
}
}
else
{
query_holder->s = pkg_malloc(off);
if (!query_holder->s)
{
LM_ERR("no more pkg mem\n");
return -2;
}
memcpy(query_holder->s,sql_buf,off);
query_holder->len = off;
}
if(_r) {
int tmp = store_result(_h, _r);
if (tmp < 0) {
LM_ERR("error while storing result\n");
return tmp;
}
}
return 0;
error:
LM_ERR("error while preparing query\n");
return -1;
}
