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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/srclib/apr-util/buckets/apr_buckets_simple.c
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr-util/buckets/apr_buckets_simple.c')
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diff --git a/rubbos/app/httpd-2.0.64/srclib/apr-util/buckets/apr_buckets_simple.c b/rubbos/app/httpd-2.0.64/srclib/apr-util/buckets/apr_buckets_simple.c
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+++ b/rubbos/app/httpd-2.0.64/srclib/apr-util/buckets/apr_buckets_simple.c
@@ -0,0 +1,137 @@
+/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
+ * applicable.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_buckets.h"
+
+APU_DECLARE_NONSTD(apr_status_t) apr_bucket_simple_copy(apr_bucket *a,
+ apr_bucket **b)
+{
+ *b = apr_bucket_alloc(sizeof(**b), a->list); /* XXX: check for failure? */
+ **b = *a;
+
+ return APR_SUCCESS;
+}
+
+APU_DECLARE_NONSTD(apr_status_t) apr_bucket_simple_split(apr_bucket *a,
+ apr_size_t point)
+{
+ apr_bucket *b;
+
+ if (point > a->length) {
+ return APR_EINVAL;
+ }
+
+ apr_bucket_simple_copy(a, &b);
+
+ a->length = point;
+ b->length -= point;
+ b->start += point;
+
+ APR_BUCKET_INSERT_AFTER(a, b);
+
+ return APR_SUCCESS;
+}
+
+static apr_status_t simple_bucket_read(apr_bucket *b, const char **str,
+ apr_size_t *len, apr_read_type_e block)
+{
+ *str = (char *)b->data + b->start;
+ *len = b->length;
+ return APR_SUCCESS;
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_immortal_make(apr_bucket *b,
+ const char *buf,
+ apr_size_t length)
+{
+ b->data = (char *)buf;
+ b->length = length;
+ b->start = 0;
+ b->type = &apr_bucket_type_immortal;
+
+ return b;
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_immortal_create(const char *buf,
+ apr_size_t length,
+ apr_bucket_alloc_t *list)
+{
+ apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
+
+ APR_BUCKET_INIT(b);
+ b->free = apr_bucket_free;
+ b->list = list;
+ return apr_bucket_immortal_make(b, buf, length);
+}
+
+/*
+ * XXX: This function could do with some tweaking to reduce memory
+ * usage in various cases, e.g. share buffers in the heap between all
+ * the buckets that are set aside, or even spool set-aside data to
+ * disk if it gets too voluminous (but if it does then that's probably
+ * a bug elsewhere). There should probably be a apr_brigade_setaside()
+ * function that co-ordinates the action of all the bucket setaside
+ * functions to improve memory efficiency.
+ */
+static apr_status_t transient_bucket_setaside(apr_bucket *b, apr_pool_t *pool)
+{
+ b = apr_bucket_heap_make(b, (char *)b->data + b->start, b->length, NULL);
+ if (b == NULL) {
+ return APR_ENOMEM;
+ }
+ return APR_SUCCESS;
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_transient_make(apr_bucket *b,
+ const char *buf,
+ apr_size_t length)
+{
+ b->data = (char *)buf;
+ b->length = length;
+ b->start = 0;
+ b->type = &apr_bucket_type_transient;
+ return b;
+}
+
+APU_DECLARE(apr_bucket *) apr_bucket_transient_create(const char *buf,
+ apr_size_t length,
+ apr_bucket_alloc_t *list)
+{
+ apr_bucket *b = apr_bucket_alloc(sizeof(*b), list);
+
+ APR_BUCKET_INIT(b);
+ b->free = apr_bucket_free;
+ b->list = list;
+ return apr_bucket_transient_make(b, buf, length);
+}
+
+const apr_bucket_type_t apr_bucket_type_immortal = {
+ "IMMORTAL", 5, APR_BUCKET_DATA,
+ apr_bucket_destroy_noop,
+ simple_bucket_read,
+ apr_bucket_setaside_noop,
+ apr_bucket_simple_split,
+ apr_bucket_simple_copy
+};
+
+APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_transient = {
+ "TRANSIENT", 5, APR_BUCKET_DATA,
+ apr_bucket_destroy_noop,
+ simple_bucket_read,
+ transient_bucket_setaside,
+ apr_bucket_simple_split,
+ apr_bucket_simple_copy
+};