| /* |
| * stream_bucket.c : a serf bucket that wraps a readable svn_stream_t |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 <serf.h> |
| #include <serf_bucket_util.h> |
| |
| #include "ra_serf.h" |
| |
| typedef struct stream_bucket_ctx_t |
| { |
| svn_stream_t *stream; |
| svn_ra_serf__stream_bucket_errfunc_t errfunc; |
| void *errfunc_baton; |
| serf_databuf_t databuf; |
| } stream_bucket_ctx_t; |
| |
| static apr_status_t |
| stream_reader(void *baton, apr_size_t bufsize, char *buf, apr_size_t *len) |
| { |
| stream_bucket_ctx_t *ctx = baton; |
| svn_error_t *err; |
| |
| *len = bufsize; |
| |
| err = svn_stream_read_full(ctx->stream, buf, len); |
| if (err) |
| { |
| if (ctx->errfunc) |
| ctx->errfunc(ctx->errfunc_baton, err); |
| svn_error_clear(err); |
| |
| return SVN_ERR_RA_SERF_STREAM_BUCKET_READ_ERROR; |
| } |
| |
| if (*len == bufsize) |
| { |
| return APR_SUCCESS; |
| } |
| else |
| { |
| svn_error_clear(svn_stream_close(ctx->stream)); |
| return APR_EOF; |
| } |
| } |
| |
| static apr_status_t |
| stream_bucket_read(serf_bucket_t *bucket, apr_size_t requested, |
| const char **data, apr_size_t *len) |
| { |
| stream_bucket_ctx_t *ctx = bucket->data; |
| |
| return serf_databuf_read(&ctx->databuf, requested, data, len); |
| } |
| |
| static apr_status_t |
| stream_bucket_readline(serf_bucket_t *bucket, int acceptable, |
| int *found, const char **data, apr_size_t *len) |
| { |
| stream_bucket_ctx_t *ctx = bucket->data; |
| |
| return serf_databuf_readline(&ctx->databuf, acceptable, found, data, len); |
| } |
| |
| static apr_status_t |
| stream_bucket_peek(serf_bucket_t *bucket, const char **data, apr_size_t *len) |
| { |
| stream_bucket_ctx_t *ctx = bucket->data; |
| |
| return serf_databuf_peek(&ctx->databuf, data, len); |
| } |
| |
| static const serf_bucket_type_t stream_bucket_vtable = { |
| "SVNSTREAM", |
| stream_bucket_read, |
| stream_bucket_readline, |
| serf_default_read_iovec, |
| serf_default_read_for_sendfile, |
| serf_default_read_bucket, |
| stream_bucket_peek, |
| serf_default_destroy_and_data |
| }; |
| |
| serf_bucket_t * |
| svn_ra_serf__create_stream_bucket(svn_stream_t *stream, |
| serf_bucket_alloc_t *allocator, |
| svn_ra_serf__stream_bucket_errfunc_t errfunc, |
| void *errfunc_baton) |
| { |
| stream_bucket_ctx_t *ctx; |
| |
| ctx = serf_bucket_mem_calloc(allocator, sizeof(*ctx)); |
| ctx->stream = stream; |
| ctx->errfunc = errfunc; |
| ctx->errfunc_baton = errfunc_baton; |
| serf_databuf_init(&ctx->databuf); |
| ctx->databuf.read = stream_reader; |
| ctx->databuf.read_baton = ctx; |
| |
| return serf_bucket_create(&stream_bucket_vtable, allocator, ctx); |
| } |