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/* Copyright 2002-2004 Justin Erenkrantz and Greg Stein
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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#include <apr_pools.h>
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#include "serf_bucket_util.h"
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/* Older versions of APR do not have this macro. */
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#define REQUESTED_MAX APR_SIZE_MAX
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#define REQUESTED_MAX (~((apr_size_t)0))
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serf_bucket_t *stream;
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apr_uint64_t remaining;
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serf_bucket_t *serf_bucket_response_body_create(
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serf_bucket_t *stream, apr_uint64_t len, serf_bucket_alloc_t *allocator)
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ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx));
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return serf_bucket_create(&serf_bucket_type_response_body, allocator, ctx);
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static apr_status_t serf_response_body_read(serf_bucket_t *bucket,
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body_context_t *ctx = bucket->data;
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if (!ctx->remaining) {
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if (requested == SERF_READ_ALL_AVAIL || requested > ctx->remaining) {
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if (ctx->remaining <= REQUESTED_MAX) {
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requested = (apr_size_t) ctx->remaining;
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requested = REQUESTED_MAX;
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status = serf_bucket_read(ctx->stream, requested, data, len);
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if (!SERF_BUCKET_READ_ERROR(status)) {
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ctx->remaining -= *len;
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if (APR_STATUS_IS_EOF(status) && ctx->remaining > 0) {
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/* The server sent less data than expected. */
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status = SERF_ERROR_TRUNCATED_HTTP_RESPONSE;
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static apr_status_t serf_response_body_readline(serf_bucket_t *bucket,
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int acceptable, int *found,
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body_context_t *ctx = bucket->data;
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if (!ctx->remaining) {
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status = serf_bucket_readline(ctx->stream, acceptable, found, data, len);
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if (!SERF_BUCKET_READ_ERROR(status)) {
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ctx->remaining -= *len;
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if (APR_STATUS_IS_EOF(status) && ctx->remaining > 0) {
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/* The server sent less data than expected. */
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status = SERF_ERROR_TRUNCATED_HTTP_RESPONSE;
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static apr_status_t serf_response_body_peek(serf_bucket_t *bucket,
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body_context_t *ctx = bucket->data;
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return serf_bucket_peek(ctx->stream, data, len);
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static void serf_response_body_destroy(serf_bucket_t *bucket)
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body_context_t *ctx = bucket->data;
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serf_bucket_destroy(ctx->stream);
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serf_default_destroy_and_data(bucket);
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const serf_bucket_type_t serf_bucket_type_response_body = {
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serf_response_body_read,
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serf_response_body_readline,
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serf_default_read_iovec,
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serf_default_read_for_sendfile,
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serf_default_read_bucket,
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serf_response_body_peek,
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serf_response_body_destroy,