void* dequeue(queue_t *q)
{
lnode_t *n;
pthread_mutex_lock(&q->lock);
if (list_isempty(q->list)) {
pthread_cond_wait(&q->notempty, &q->lock);
}
if (list_isfull(q->list)) {
n = list_del_first(q->list);
pthread_cond_broadcast(&q->notfull);
}
else {
n = list_del_first(q->list);
}
pthread_mutex_unlock(&q->lock);
return lnode_get(n);
}
/**
* Check for duplicate Message ID
* @param op operation
* @return status
*/
static int wsman_is_duplicate_message_id(op_t * op)
{
WsXmlNodeH header = wsman_get_soap_header_element(op->in_doc, NULL, NULL);
int retVal = 0;
SoapH soap;
WsXmlNodeH msgIdNode;
soap = op->dispatch->soap;
msgIdNode = ws_xml_get_child(header, 0, XML_NS_ADDRESSING, WSA_MESSAGE_ID);
if (msgIdNode != NULL) {
lnode_t *node;
char *msgId;
msgId = ws_xml_get_node_text(msgIdNode);
if (msgId[0] == 0 ) {
generate_op_fault(op, WSA_INVALID_MESSAGE_INFORMATION_HEADER, 0 );
debug("MessageId missing");
return 1;
}
debug("Checking Message ID: %s", msgId);
u_lock(soap);
if (soap->processedMsgIdList == NULL) {
soap->processedMsgIdList = list_create(LISTCOUNT_T_MAX);
}
#ifndef IGNORE_DUPLICATE_ID
node = list_first(soap->processedMsgIdList);
while (node != NULL) {
if (!strcmp(msgId, (char *) node->list_data)) {
debug("Duplicate Message ID: %s", msgId);
retVal = 1;
generate_op_fault(op, WSA_INVALID_MESSAGE_INFORMATION_HEADER,
WSA_DETAIL_DUPLICATE_MESSAGE_ID);
break;
}
node = list_next(soap->processedMsgIdList, node);
}
#endif
if (!retVal) {
while (list_count(soap->processedMsgIdList) >= PROCESSED_MSG_ID_MAX_SIZE) {
node = list_del_first(soap->processedMsgIdList);
u_free(node->list_data);
u_free(node);
}
node = lnode_create(NULL);
if (node) {
node->list_data = u_str_clone(msgId);
if (node->list_data == NULL) {
u_free(node);
} else {
list_append(soap->processedMsgIdList, node);
}
}
}
u_unlock(soap);
} else if (!wsman_is_identify_request(op->in_doc)) {
generate_op_fault(op, WSA_MESSAGE_INFORMATION_HEADER_REQUIRED, 0);
debug("No MessageId Header found");
return 1;
}
return retVal;
}
