1 files changed, 90 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/lib/common/timeout.c b/web/server/h2o/libh2o/lib/common/timeout.c
new file mode 100644
index 00000000..c50be0a3
--- /dev/null
+++ b/web/server/h2o/libh2o/lib/common/timeout.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2014 DeNA Co., Ltd.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+#include "h2o/timeout.h"
+
+void h2o_timeout_run(h2o_loop_t *loop, h2o_timeout_t *timeout, uint64_t now)
+{
+    uint64_t max_registered_at = now - timeout->timeout;
+
+    while (!h2o_linklist_is_empty(&timeout->_entries)) {
+        h2o_timeout_entry_t *entry = H2O_STRUCT_FROM_MEMBER(h2o_timeout_entry_t, _link, timeout->_entries.next);
+        if (entry->registered_at > max_registered_at) {
+            break;
+        }
+        h2o_linklist_unlink(&entry->_link);
+        entry->registered_at = 0;
+        entry->cb(entry);
+        h2o_timeout__do_post_callback(loop);
+    }
+}
+
+uint64_t h2o_timeout_get_wake_at(h2o_linklist_t *timeouts)
+{
+    h2o_linklist_t *node;
+    uint64_t wake_at = UINT64_MAX;
+
+    /* change wake_at to the minimum value of the timeouts */
+    for (node = timeouts->next; node != timeouts; node = node->next) {
+        h2o_timeout_t *timeout = H2O_STRUCT_FROM_MEMBER(h2o_timeout_t, _link, node);
+        if (!h2o_linklist_is_empty(&timeout->_entries)) {
+            h2o_timeout_entry_t *entry = H2O_STRUCT_FROM_MEMBER(h2o_timeout_entry_t, _link, timeout->_entries.next);
+            uint64_t entry_wake_at = entry->registered_at + timeout->timeout;
+            if (entry_wake_at < wake_at)
+                wake_at = entry_wake_at;
+        }
+    }
+
+    return wake_at;
+}
+
+void h2o_timeout_init(h2o_loop_t *loop, h2o_timeout_t *timeout, uint64_t millis)
+{
+    memset(timeout, 0, sizeof(*timeout));
+    timeout->timeout = millis;
+    h2o_linklist_init_anchor(&timeout->_entries);
+
+    h2o_timeout__do_init(loop, timeout);
+}
+
+void h2o_timeout_dispose(h2o_loop_t *loop, h2o_timeout_t *timeout)
+{
+    assert(h2o_linklist_is_empty(&timeout->_entries));
+    h2o_timeout__do_dispose(loop, timeout);
+}
+
+void h2o_timeout_link(h2o_loop_t *loop, h2o_timeout_t *timeout, h2o_timeout_entry_t *entry)
+{
+    /* insert at tail, so that the entries are sorted in ascending order */
+    h2o_linklist_insert(&timeout->_entries, &entry->_link);
+    /* set data */
+    entry->registered_at = h2o_now(loop);
+
+    h2o_timeout__do_link(loop, timeout, entry);
+}
+
+void h2o_timeout_unlink(h2o_timeout_entry_t *entry)
+{
+    if (h2o_linklist_is_linked(&entry->_link)) {
+        h2o_linklist_unlink(&entry->_link);
+        entry->registered_at = 0;
+    }
+}