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/* Copyright 2002-2004 Justin Erenkrantz and Greg Stein
*
* 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_pools.h>
#include "serf.h"
#include "serf_bucket_util.h"
typedef struct {
serf_bucket_t *stream;
} barrier_context_t;
serf_bucket_t *serf_bucket_barrier_create(
serf_bucket_t *stream,
serf_bucket_alloc_t *allocator)
{
barrier_context_t *ctx;
ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx));
ctx->stream = stream;
return serf_bucket_create(&serf_bucket_type_barrier, allocator, ctx);
}
static apr_status_t serf_barrier_read(serf_bucket_t *bucket,
apr_size_t requested,
const char **data, apr_size_t *len)
{
barrier_context_t *ctx = bucket->data;
return serf_bucket_read(ctx->stream, requested, data, len);
}
static apr_status_t serf_barrier_read_iovec(serf_bucket_t *bucket,
apr_size_t requested,
int vecs_size, struct iovec *vecs,
int *vecs_used)
{
barrier_context_t *ctx = bucket->data;
return serf_bucket_read_iovec(ctx->stream, requested, vecs_size, vecs,
vecs_used);
}
static apr_status_t serf_barrier_readline(serf_bucket_t *bucket,
int acceptable, int *found,
const char **data, apr_size_t *len)
{
barrier_context_t *ctx = bucket->data;
return serf_bucket_readline(ctx->stream, acceptable, found, data, len);
}
static apr_status_t serf_barrier_peek(serf_bucket_t *bucket,
const char **data,
apr_size_t *len)
{
barrier_context_t *ctx = bucket->data;
return serf_bucket_peek(ctx->stream, data, len);
}
static void serf_barrier_destroy(serf_bucket_t *bucket)
{
/* The intent of this bucket is not to let our wrapped buckets be
* destroyed. */
/* The option is for us to go ahead and 'eat' this bucket now,
* or just ignore the deletion entirely.
*/
serf_default_destroy_and_data(bucket);
}
const serf_bucket_type_t serf_bucket_type_barrier = {
"BARRIER",
serf_barrier_read,
serf_barrier_readline,
serf_barrier_read_iovec,
serf_default_read_for_sendfile,
serf_default_read_bucket,
serf_barrier_peek,
serf_barrier_destroy,
};
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