/**
* This function sends all the emails that are stored in the queue.
* It will be called
* - immediately after queueing messages in case of synchronous emails
* - from a cronjob in case of asynchronous emails
* If a failure occurs, then the function exits.
* @todo In case of synchronous email sending, we may get a race condition where two requests send the same email.
* @param bool $p_delete_on_failure indicates whether to remove email from queue on failure (default false)
* @return null
*/
function email_send_all($p_delete_on_failure = false)
{
$t_ids = email_queue_get_ids('ASC');
$t_date_format = config_get('complete_date_format');
log_event(LOG_EMAIL, "Processing e-mail queue (" . count($t_ids) . " messages)");
foreach ($t_ids as $t_id) {
$t_email_data = email_queue_get($t_id);
$t_start = microtime(true);
log_event(LOG_EMAIL, "Sending message #{$t_id} queued on " . date($t_date_format, $t_email_data->submitted));
# check if email was not found. This can happen if another request
# picks up the email first and sends it.
if ($t_email_data === false) {
$t_email_sent = true;
log_event(LOG_EMAIL, 'message has already been sent');
} else {
$t_email_sent = email_send($t_email_data);
}
if (!$t_email_sent) {
if ($p_delete_on_failure) {
email_queue_delete($t_email_data->email_id);
}
# If unable to place the email in the email server queue and more
# than 5 seconds have elapsed, then we assume that the server
# connection is down, hence no point to continue trying with the
# rest of the emails.
if (microtime(true) - $t_start > 5) {
log_event(LOG_EMAIL, 'Server not responding for 5 seconds, aborting');
break;
}
}
}
}
} else {
$t_email_data = email_queue_get((int) $f_to);
// check if email was found. This can fail if another request picks up the email first and sends it.
echo 'Sending email...<br />';
if ($t_email_data !== false) {
if (!email_send($t_email_data)) {
echo 'Email Not Sent - Deleting from queue<br />';
email_queue_delete($t_email_data->email_id);
} else {
echo 'Email Sent<br />';
}
} else {
echo 'Email not found in queue<br />';
}
}
}
}
$t_ids = email_queue_get_ids();
if (count($t_ids) > 0) {
echo '<table><tr><th>' . lang_get('id') . '</th><th>' . lang_get('email') . '</th><th>' . lang_get('timestamp') . '</th><th>Send Or Delete</th></tr>';
foreach ($t_ids as $t_id) {
$row = email_queue_get($t_id);
echo '<tr><td>' . $row->email_id . '</td><td>' . $row->email . '</td><td>' . date(config_get('complete_date_format'), $row->submitted) . '</td><td>', html_button('email_queue.php', 'Send Or Delete', array('send' => $row->email_id)), '</td></tr>';
}
echo '</table>';
html_button('email_queue.php', 'Send All', array('send' => 'all'));
html_button('email_queue.php', 'Send Or Delete All', array('send' => 'sendordelall'));
} else {
echo 'Email Queue Empty';
}
html_page_bottom();
function email_send_all()
{
$t_ids = email_queue_get_ids();
$t_emails_recipients_failed = array();
$t_start = microtime_float();
foreach ($t_ids as $t_id) {
$t_email_data = email_queue_get($t_id);
# check if email was not found. This can happen if another request picks up the email first and sends it.
if ($t_email_data === false) {
continue;
}
# if unable to place the email in the email server queue, then the connection to the server is down,
# and hence no point to continue trying with the rest of the emails.
if (!email_send($t_email_data)) {
if (microtime_float() - $t_start > 5) {
break;
} else {
continue;
}
}
}
}