static ACL_XML_NODE *xml_iter_prev(ACL_ITER *it, ACL_XML *xml)
{
ACL_RING *ring_ptr;
struct ACL_XML_NODE *node, *parent;
node = (struct ACL_XML_NODE*) it->data;
/* 先遍历当前结点的子结点 */
ring_ptr = acl_ring_pred(&node->children);
if (ring_ptr != &node->children) {
it->i++;
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
/* 当前结点的子结点遍历完毕，再遍历当前结点的兄弟结点 */
parent = acl_xml_node_parent(node);
ring_ptr = acl_ring_pred(&node->node);
if (ring_ptr != &parent->children) {
it->i++;
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
/* 当前结点的兄弟结点遍历完毕，最后遍历当前结点的父结点的兄弟结点 */
do {
if (parent == xml->root)
break;
ring_ptr = acl_ring_pred(&parent->node);
parent = acl_xml_node_parent(parent);
if (parent == NULL)
acl_msg_fatal("%s(%d): parent null", __FILE__, __LINE__);
if (ring_ptr != &parent->children) {
it->i++;
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
} while (ring_ptr != &xml->root->children);
/* 遍历完所有结点 */
it->ptr = it->data = NULL;
return (NULL);
}
int acl_xml_is_complete(ACL_XML *xml, const char *tag)
{
ACL_RING *ring_ptr;
ACL_XML_NODE *node;
/* 获得 xml->root 结点的最后一个一级子结点 */
ring_ptr = acl_ring_succ(&xml->root->children);
if (ring_ptr == &xml->root->children) {
/* 说明没有真实子结点 */
return (0);
}
node = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
if ((node->flag & ACL_XML_F_SELF_CL)) {
/* 说明该结点是自闭合结点 */
return (1);
}
if (node->status != ACL_XML_S_RGT) {
/* 说明最后一个一级子结点还未处理完毕 */
return (0);
}
if (strcasecmp(STR(node->rtag), tag) == 0) {
return (1);
}
/* 说明 xml 中的最后一个结点与所给标签不匹配 */
return (0);
}
int acl_xml_is_closure(ACL_XML *xml)
{
ACL_RING *ring_ptr;
ACL_XML_NODE *node;
/* 获得 xml->root 结点的最后一个一级子结点 */
ring_ptr = acl_ring_succ(&xml->root->children);
if (ring_ptr == &xml->root->children) {
/* 说明没有真实子结点 */
return (0);
}
node = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
if ((node->flag & ACL_XML_F_SELF_CL)) {
/* 说明该结点是自闭合结点 */
return (1);
}
if (node->status == ACL_XML_S_RGT) {
return (1);
}
/* 说明最后一个一级子结点还未处理完毕 */
return (0);
}
static void event_set_all(ACL_EVENT *eventp)
{
EVENT_KERNEL *ev = (EVENT_KERNEL *) eventp;
ACL_EVENT_FDTABLE *fdp;
int i;
/* 优先处理添加读/写监控任务, 这样可以把中间的 ADD 状态转换成正式状态 */
eventp->fdcnt_ready = 0;
if (eventp->present - eventp->last_check >= eventp->check_inter) {
eventp->last_check = eventp->present;
event_check_fds(eventp);
}
/* 处理任务项 */
while (1) {
ACL_RING *r = acl_ring_pop_head(&ev->fdp_delay_list);
if (r == NULL)
break;
fdp = acl_ring_to_appl(r, ACL_EVENT_FDTABLE, delay_entry);
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_READ)) {
enable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_WRITE)) {
enable_write(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_READ)) {
disable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_WRITE)) {
disable_write(ev, fdp);
}
fdp->flag &= ~EVENT_FDTABLE_FLAG_DELAY_OPER;
}
for (i = 0; i < eventp->fdcnt; i++) {
fdp = eventp->fdtabs[i];
if ((fdp->event_type & (ACL_EVENT_XCPT | ACL_EVENT_RW_TIMEOUT)))
continue;
if ((fdp->flag & EVENT_FDTABLE_FLAG_READ)
&& (fdp->event_read == NULL || fdp->event_read->type == 0))
{
enable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_WRITE)
&& (fdp->event_write == NULL || fdp->event_write->type == 0))
{
enable_write(ev, fdp);
}
}
}
ACL_XML_NODE *acl_xml_node_next(ACL_XML_NODE *node)
{
ACL_RING *ring_ptr = acl_ring_succ(&node->node);
ACL_XML_NODE *parent;
if (ring_ptr == &node->node)
return (NULL);
parent = node->parent;
acl_assert(parent != NULL);
if (ring_ptr == &parent->children)
return (NULL);
return (acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node));
}
static ACL_XML_NODE *node_iter_next(ACL_ITER *it, ACL_XML_NODE *node)
{
ACL_RING *ring_ptr;
struct ACL_XML_NODE *child;
child = (struct ACL_XML_NODE*) it->data;
if ((ring_ptr = acl_ring_succ(&child->node)) == &node->children) {
it->ptr = it->data = NULL;
return (NULL);
}
it->i++;
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
static ACL_XML_NODE *node_iter_head(ACL_ITER *it, ACL_XML_NODE *node)
{
ACL_RING *ring_ptr;
it->dlen = -1;
it->key = NULL;
it->klen = -1;
it->i = 0;
it->size = node->children.len;
if ((ring_ptr = acl_ring_succ(&node->children)) == &node->children) {
it->ptr = it->data = NULL;
return (NULL);
}
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
static ACL_XML_NODE *xml_iter_tail(ACL_ITER *it, ACL_XML *xml)
{
ACL_RING *ring_ptr;
it->dlen = -1;
it->key = NULL;
it->klen = -1;
it->i = 0;
it->size = xml->node_cnt;
ring_ptr = acl_ring_pred(&xml->root->children);
if (ring_ptr== &xml->root->children) {
it->ptr = it->data = NULL;
return (NULL);
}
it->ptr = acl_ring_to_appl(ring_ptr, ACL_XML_NODE, node);
it->data = it->ptr;
return (it->ptr);
}
static void event_set_all(ACL_EVENT *eventp)
{
EVENT_KERNEL *ev = (EVENT_KERNEL *) eventp;
ACL_EVENT_FDTABLE *fdp;
/* 优先处理添加读/写监控任务, 这样可以把 ADD 中间态转换成正式状态 */
eventp->ready_cnt = 0;
if (eventp->present - eventp->last_check >= eventp->check_inter
|| eventp->read_ready > 0)
{
eventp->read_ready = 0;
eventp->last_check = eventp->present;
event_check_fds(eventp);
}
/* 处理任务项 */
while (1) {
ACL_RING *r = acl_ring_pop_head(&ev->fdp_delay_list);
if (r == NULL)
break;
fdp = acl_ring_to_appl(r, ACL_EVENT_FDTABLE, delay_entry);
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_READ)) {
enable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_WRITE)) {
enable_write(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_READ)) {
disable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_WRITE)) {
disable_write(ev, fdp);
}
fdp->flag &= ~EVENT_FDTABLE_FLAG_DELAY_OPER;
}
}
int acl_xml_node_delete(ACL_XML_NODE *node)
{
ACL_RING *next;
ACL_XML_NODE *node_next;
int n = 1;
while ((next = acl_ring_pop_head(&node->children)) != NULL) {
node_next = acl_ring_to_appl(next, ACL_XML_NODE, node);
n += acl_xml_node_delete(node_next);
}
node->xml->node_cnt--;
if (node->id != NULL)
acl_htable_delete(node->xml->id_table, STR(node->id), NULL);
if (node->xml->node_cache &&
acl_array_size(node->xml->node_cache) < node->xml->max_cache)
{
node->xml->node_cache->push_back(node->xml->node_cache, node);
acl_ring_detach(&node->node);
} else
acl_xml_node_free(node);
return (n);
}
void acl_xml_reset(ACL_XML *xml)
{
const char *myname = "acl_xml_reset";
ACL_RING *next;
ACL_XML_NODE *node;
while ((next = acl_ring_pop_head(&xml->root->children)) != NULL) {
node = acl_ring_to_appl(next, ACL_XML_NODE, node);
(void) acl_xml_node_delete(node);
}
/* 因为根结点是一个虚结点，所以不需要释放，其会在调用
* acl_xml_free 时被释放
*/
acl_ring_detach(&xml->root->node);
acl_xml_node_reset(xml->root);
if (xml->node_cnt != 1)
acl_msg_fatal("%s(%d): node_cnt(%d) invalid",
myname, __LINE__, xml->node_cnt);
acl_htable_reset(xml->id_table, NULL);
xml->curr_node = NULL;
}
int acl_xml_free(ACL_XML *xml)
{
ACL_RING *next;
ACL_XML_NODE *node;
int n = 1;
while ((next = acl_ring_pop_head(&xml->root->children)) != NULL) {
node = acl_ring_to_appl(next, ACL_XML_NODE, node);
n += acl_xml_node_delete(node);
}
acl_xml_node_free(xml->root);
xml->node_cnt--;
acl_assert(xml->node_cnt == 0);
acl_htable_free(xml->id_table, NULL);
if (xml->node_cache != NULL)
acl_array_free(xml->node_cache,
(void (*)(void*)) acl_xml_node_free);
if (xml->slice)
acl_slice_pool_free(__FILE__, __LINE__, xml);
else
acl_myfree(xml);
return (n);
}
static void event_set_all(ACL_EVENT *eventp)
{
EVENT_KERNEL *ev = (EVENT_KERNEL *) eventp;
ACL_EVENT_FDTABLE *fdp;
int i;
/* 优先处理添加读/写监控任务, 这样可以把中间的 ADD 状态转换成正式状态 */
eventp->fdcnt_ready = 0;
if (eventp->event_present - ev->last_check >= 1000000) {
ev->last_check = eventp->event_present;
for (i = 0; i < eventp->fdcnt; i++) {
fdp = eventp->fdtabs[i];
if ((fdp->stream->flag & ACL_VSTREAM_FLAG_BAD) != 0) {
fdp->stream->flag &= ~ACL_VSTREAM_FLAG_BAD;
fdp->event_type |= ACL_EVENT_XCPT;
fdp->fdidx_ready = eventp->fdcnt_ready;
eventp->fdtabs_ready[eventp->fdcnt_ready++] = fdp;
} else if ((fdp->flag & EVENT_FDTABLE_FLAG_READ)) {
if (ACL_VSTREAM_BFRD_CNT(fdp->stream) > 0) {
fdp->stream->sys_read_ready = 0;
fdp->event_type |= ACL_EVENT_READ;
fdp->fdidx_ready = eventp->fdcnt_ready;
eventp->fdtabs_ready[eventp->fdcnt_ready++] = fdp;
} else if (fdp->r_ttl > 0 && eventp->event_present > fdp->r_ttl) {
fdp->event_type |= ACL_EVENT_RW_TIMEOUT;
fdp->fdidx_ready = eventp->fdcnt_ready;
eventp->fdtabs_ready[eventp->fdcnt_ready++] = fdp;
}
} else if ((fdp->flag & EVENT_FDTABLE_FLAG_WRITE)) {
if (fdp->w_ttl > 0 && eventp->event_present > fdp->w_ttl) {
fdp->event_type |= ACL_EVENT_RW_TIMEOUT;
fdp->fdidx_ready = eventp->fdcnt_ready;
eventp->fdtabs_ready[eventp->fdcnt_ready++] = fdp;
}
}
}
}
/* 处理任务项 */
while (1) {
ACL_RING *r = acl_ring_pop_head(&ev->fdp_delay_list);
if (r == NULL)
break;
fdp = acl_ring_to_appl(r, ACL_EVENT_FDTABLE, delay_entry);
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_READ)) {
enable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_ADD_WRITE)) {
enable_write(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_READ)) {
disable_read(ev, fdp);
}
if ((fdp->flag & EVENT_FDTABLE_FLAG_DEL_WRITE)) {
disable_write(ev, fdp);
}
fdp->flag &= ~EVENT_FDTABLE_FLAG_DELAY_OPER;
}
}