| /* 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_DECLARE(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_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); |
| } |
| |
| SERF_DECLARE_DATA const serf_bucket_type_t serf_bucket_type_barrier = { |
| "BARRIER", |
| serf_barrier_read, |
| serf_barrier_readline, |
| serf_default_read_iovec, |
| serf_default_read_for_sendfile, |
| serf_default_read_bucket, |
| serf_barrier_peek, |
| serf_barrier_destroy, |
| }; |