$G_curl_de_sac_version = "0.1";
+class CDS_cmd {
+ var $cmd_cls;
+ var $ch;
+
+ function CDS_cmd($cmd_cls, $ch)
+ {
+ $this->cmd_cls = $cmd_cls;
+ $this->ch = $ch;
+ }
+
+ function dbg_get()
+ {
+ // NOTE: cmd_cls must be valid by definition
+ if ($this->cmd_cls->cds == NULL)
+ return -1;
+ return $this->cmd_cls->cds->dbg_get();
+ }
+}
+
class CDS_cmd_cls {
+ var $cds;
var $name;
var $tout;
function CDS_cmd_cls($name, $tout)
{
+ $this->cds = NULL;
$this->name = $name;
$this->tout = $tout;
}
- function cb()
+ function cds_set($cds)
+ {
+ $this->cds = $cds;
+ }
+
+ static function pre_create($url)
{
+ if (($ch = curl_init()) == FALSE)
+ return FALSE;
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_HEADER, 0);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+
+ return ($ch);
+ }
+
+ function create($cds, $ch)
+ {
+ if ($cds->dbg > 2) {
+ printf("CDS_cmd_cls::create - begin\n");
+ print_r($ch);
+ }
+ if (($ret = curl_multi_add_handle($cds->mh, $ch)) != 0) {
+ // INFO: $ret is a CURLM_XXX errors code
+ return (FALSE);
+ }
+ if ($cds->dbg > 2) {
+ printf("CDS_cmd_cls::create - end\n");
+ }
+ return (TRUE);
+ }
+
+ function cb($cmd, $ret)
+ {
+
print "THIS MUST BE IMPLEMENTED";
exit(123);
}
class Curl_de_sac {
var $mh;
var $cmd_cls;
+ var $cmd;
+ var $dbg;
- function Curl_de_sac() {
+ function Curl_de_sac($dbg=0) {
$this->mh = curl_multi_init();
$this->cmd_cls = array();
+ $this->cmd = array();
+ $this->dbg = $dbg;
+ }
+
+ function dbg_set($dbg)
+ {
+ $this->dbg = $dbg;
+ }
+
+ function dbg_get()
+ {
+ return($this->dbg);
}
- function cmd_register($cmd_cls)
+ function cmd_cls_register($cmd_cls)
{
if (get_class($cmd_cls) != 'CDS_cmd_cls' && is_subclass_of($cmd_cls, 'CDS_cmd_cls') == FALSE)
return FALSE;
return FALSE;
$this->cmd_cls[$cmd_cls->name] = $cmd_cls;
+ $cmd_cls->cds_set($this);
return TRUE;
}
+
+ function cmd_cls_deregister($cmd_cls)
+ {
+ if (get_class($cmd_cls) != 'CDS_cmd_cls' && is_subclass_of($cmd_cls, 'CDS_cmd_cls') == FALSE)
+ return FALSE;
+ if (!isset($this->cmd_cls[$cmd_cls->name]))
+ return FALSE;
+
+ $this->cmd_cls[$cmd_cls->name]->cds_set(NULL);
+
+ unset($this->cmd_cls[$cmd_cls->name]);
+ return TRUE;
+ }
+
+ function cmd_cls_deregister_all()
+ {
+ foreach($this->cmd_cls as $cmd_cls) {
+ $cmd_cls->cds_set(NULL);
+ }
+
+ $this->cmd_cls = array();
+ }
+
+ function execute()
+ {
+ $args = func_get_args();
+
+ if ($this->dbg > 1) {
+ printf("CDS_cmd_cls::execute ARGS:\n");
+ print_r($args);
+ }
+ do {
+ if (($name = array_shift($args)) === NULL)
+ break;
+ array_unshift($args, $this);
+
+ if (!isset($this->cmd_cls[$name]))
+ break;
+
+ $cmd_cls = $this->cmd_cls[$name];
+
+ if (($inst = call_user_func_array(array($cmd_cls, "create"), $args)) == FALSE)
+ break;
+
+ array_push($this->cmd, $inst);
+ if ($this->dbg > 1) {
+ printf("CDS_cmd_cls::process - execute push cmd\n");
+ print_r($this->cmd);
+ }
+ return TRUE;
+ } while (FALSE);
+
+ return FALSE;
+ }
+
+ function process()
+ {
+ if ($this->dbg > 1) {
+ printf("CDS_cmd_cls::process - begin\n");
+ }
+ $running = NULL;
+ $ret = curl_multi_exec($this->mh, $running);
+ $msgs_in_queue = NULL;
+
+ do {
+ if ($ret = curl_multi_info_read ($this->mh, $msgs_in_queue)) {
+ if ($this->dbg > 1)
+ printf("Info_read miq: %d\n", $msgs_in_queue);
+
+ foreach($this->cmd as $cmd) {
+ if ($cmd->ch == $ret['handle']) {
+ $cmd->cmd_cls->cb($cmd, $ret);
+ break;
+ }
+ }
+ $info = curl_getinfo($ret['handle']);
+ if ($this->dbg > 1) {
+ printf("Getinfo:\n");
+ print_r($info);
+ }
+ }
+ } while ($msgs_in_queue > 0);
+ if ($this->dbg > 1) {
+ printf("CDS_cmd_cls::process - end (queue: %d)\n", $msgs_in_queue);
+ }
+ }
+
}
\ No newline at end of file