1 files changed, 117 insertions, 0 deletions
diff --git a/buckets/file_buckets.c b/buckets/file_buckets.c
new file mode 100644
index 0000000..bd41cab
--- /dev/null
+++ b/buckets/file_buckets.c
@@ -0,0 +1,117 @@
+/* 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 {
+    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_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.
+     *
+     * Note that there is a failure case here that we purposely fall through:
+     * if a file is buffered, apr_mmap will reject it.  However, on older
+     * versions of APR, we have no way of knowing this - but apr_mmap_create
+     * will check for this and return APR_EBADF.
+     */
+    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_status_t status;
+        apr_mmap_t *file_mmap;
+        status = apr_mmap_create(&file_mmap, file, 0, finfo.size,
+                                 APR_MMAP_READ,
+                                 serf_bucket_allocator_get_pool(allocator));
+
+        if (status == APR_SUCCESS) {
+            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);
+}
+
+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_destroy_and_data,
+};