| function nb_is_readable($stream, $timeout = 1) { | |
| $r = [$stream]; $w = []; $e = []; | |
| return (bool) stream_select($r, $w, $e, $timeout, 0); | |
| }; | |
| function nb_is_writable($stream, $timeout = 1) { | |
| $r = []; $w = [$stream]; $e = []; | |
| return (bool) stream_select($r, $w, $e, $timeout, 0); | |
| }; | |
| function nb_flush($db, $db_socket) { | |
| while (TRUE) { | |
| if (! nb_is_writable($db_socket)) { | |
| continue; | |
| } | |
| $flush = pg_flush($db); | |
| if ($flush === TRUE) { | |
| break; // All data flushed | |
| } elseif ($flush === FALSE) { | |
| echo "pg_flush() error\n"; | |
| break; | |
| } | |
| } | |
| }; | |
| function nb_consume($db, $db_socket) { | |
| while (TRUE) { | |
| if (!nb_is_readable($db_socket)) { | |
| continue; | |
| } elseif (!pg_consume_input($db)) { | |
| echo "pg_consume_input() error\n"; | |
| break; | |
| } elseif (!pg_connection_busy($db)) { | |
| break; // All data consumed | |
| } | |
| } | |
| }; | |