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-rw-r--r--lib/nghttp2_outbound_item.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/lib/nghttp2_outbound_item.c b/lib/nghttp2_outbound_item.c
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+++ b/lib/nghttp2_outbound_item.c
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+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * 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 "nghttp2_outbound_item.h"
+
+#include <assert.h>
+#include <string.h>
+
+void nghttp2_outbound_item_init(nghttp2_outbound_item *item) {
+ item->cycle = 0;
+ item->qnext = NULL;
+ item->queued = 0;
+
+ memset(&item->aux_data, 0, sizeof(nghttp2_aux_data));
+}
+
+void nghttp2_outbound_item_free(nghttp2_outbound_item *item, nghttp2_mem *mem) {
+ nghttp2_frame *frame;
+
+ if (item == NULL) {
+ return;
+ }
+
+ frame = &item->frame;
+
+ switch (frame->hd.type) {
+ case NGHTTP2_DATA:
+ nghttp2_frame_data_free(&frame->data);
+ break;
+ case NGHTTP2_HEADERS:
+ nghttp2_frame_headers_free(&frame->headers, mem);
+ break;
+ case NGHTTP2_PRIORITY:
+ nghttp2_frame_priority_free(&frame->priority);
+ break;
+ case NGHTTP2_RST_STREAM:
+ nghttp2_frame_rst_stream_free(&frame->rst_stream);
+ break;
+ case NGHTTP2_SETTINGS:
+ nghttp2_frame_settings_free(&frame->settings, mem);
+ break;
+ case NGHTTP2_PUSH_PROMISE:
+ nghttp2_frame_push_promise_free(&frame->push_promise, mem);
+ break;
+ case NGHTTP2_PING:
+ nghttp2_frame_ping_free(&frame->ping);
+ break;
+ case NGHTTP2_GOAWAY:
+ nghttp2_frame_goaway_free(&frame->goaway, mem);
+ break;
+ case NGHTTP2_WINDOW_UPDATE:
+ nghttp2_frame_window_update_free(&frame->window_update);
+ break;
+ default: {
+ nghttp2_ext_aux_data *aux_data;
+
+ aux_data = &item->aux_data.ext;
+
+ if (aux_data->builtin == 0) {
+ nghttp2_frame_extension_free(&frame->ext);
+ break;
+ }
+
+ switch (frame->hd.type) {
+ case NGHTTP2_ALTSVC:
+ nghttp2_frame_altsvc_free(&frame->ext, mem);
+ break;
+ case NGHTTP2_ORIGIN:
+ nghttp2_frame_origin_free(&frame->ext, mem);
+ break;
+ case NGHTTP2_PRIORITY_UPDATE:
+ nghttp2_frame_priority_update_free(&frame->ext, mem);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+ }
+}
+
+void nghttp2_outbound_queue_init(nghttp2_outbound_queue *q) {
+ q->head = q->tail = NULL;
+ q->n = 0;
+}
+
+void nghttp2_outbound_queue_push(nghttp2_outbound_queue *q,
+ nghttp2_outbound_item *item) {
+ if (q->tail) {
+ q->tail = q->tail->qnext = item;
+ } else {
+ q->head = q->tail = item;
+ }
+ ++q->n;
+}
+
+void nghttp2_outbound_queue_pop(nghttp2_outbound_queue *q) {
+ nghttp2_outbound_item *item;
+ if (!q->head) {
+ return;
+ }
+ item = q->head;
+ q->head = q->head->qnext;
+ item->qnext = NULL;
+ if (!q->head) {
+ q->tail = NULL;
+ }
+ --q->n;
+}