| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| */ |
| |
| #include <apr_pools.h> |
| |
| #include "serf.h" |
| #include "serf_bucket_util.h" |
| |
| typedef struct { |
| apr_file_t *file; |
| |
| serf_databuf_t databuf; |
| |
| } file_context_t; |
| |
| |
| static apr_status_t file_reader(void *baton, apr_size_t bufsize, |
| char *buf, apr_size_t *len) |
| { |
| file_context_t *ctx = baton; |
| |
| *len = bufsize; |
| return apr_file_read(ctx->file, buf, len); |
| } |
| |
| SERF_DECLARE(serf_bucket_t *) serf_bucket_file_create( |
| apr_file_t *file, |
| serf_bucket_alloc_t *allocator) |
| { |
| file_context_t *ctx; |
| #if APR_HAS_MMAP |
| apr_finfo_t finfo; |
| const char *file_path; |
| |
| /* See if we'd be better off mmap'ing this file instead. */ |
| apr_file_name_get(&file_path, file); |
| apr_stat(&finfo, file_path, APR_FINFO_SIZE, |
| serf_bucket_allocator_get_pool(allocator)); |
| if (APR_MMAP_CANDIDATE(finfo.size)) { |
| apr_mmap_t *file_mmap; |
| apr_mmap_create(&file_mmap, file, 0, finfo.size, APR_MMAP_READ, |
| serf_bucket_allocator_get_pool(allocator)); |
| return serf_bucket_mmap_create(file_mmap, allocator); |
| } |
| #endif |
| |
| /* Oh, well. */ |
| ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx)); |
| ctx->file = file; |
| |
| serf_databuf_init(&ctx->databuf); |
| ctx->databuf.read = file_reader; |
| ctx->databuf.read_baton = ctx; |
| |
| return serf_bucket_create(&serf_bucket_type_file, allocator, ctx); |
| } |
| |
| static apr_status_t serf_file_read(serf_bucket_t *bucket, |
| apr_size_t requested, |
| const char **data, apr_size_t *len) |
| { |
| file_context_t *ctx = bucket->data; |
| |
| return serf_databuf_read(&ctx->databuf, requested, data, len); |
| } |
| |
| static apr_status_t serf_file_readline(serf_bucket_t *bucket, |
| int acceptable, int *found, |
| const char **data, apr_size_t *len) |
| { |
| file_context_t *ctx = bucket->data; |
| |
| return serf_databuf_readline(&ctx->databuf, acceptable, found, data, len); |
| } |
| |
| static apr_status_t serf_file_peek(serf_bucket_t *bucket, |
| const char **data, |
| apr_size_t *len) |
| { |
| file_context_t *ctx = bucket->data; |
| |
| return serf_databuf_peek(&ctx->databuf, data, len); |
| } |
| |
| SERF_DECLARE_DATA const serf_bucket_type_t serf_bucket_type_file = { |
| "FILE", |
| serf_file_read, |
| serf_file_readline, |
| serf_default_read_iovec, |
| serf_default_read_for_sendfile, |
| serf_default_read_bucket, |
| serf_file_peek, |
| serf_default_get_metadata, |
| serf_default_set_metadata, |
| serf_default_destroy_and_data, |
| }; |