1 files changed, 97 insertions, 0 deletions
diff --git a/buckets/barrier_buckets.c b/buckets/barrier_buckets.c
new file mode 100644
index 0000000..eb410ee
--- /dev/null
+++ b/buckets/barrier_buckets.c
@@ -0,0 +1,97 @@
+/* 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_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_read_iovec(serf_bucket_t *bucket,
+                                            apr_size_t requested,
+                                            int vecs_size, struct iovec *vecs,
+                                            int *vecs_used)
+{
+    barrier_context_t *ctx = bucket->data;
+
+    return serf_bucket_read_iovec(ctx->stream, requested, vecs_size, vecs,
+                                  vecs_used);
+}
+
+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);
+}
+
+const serf_bucket_type_t serf_bucket_type_barrier = {
+    "BARRIER",
+    serf_barrier_read,
+    serf_barrier_readline,
+    serf_barrier_read_iovec,
+    serf_default_read_for_sendfile,
+    serf_default_read_bucket,
+    serf_barrier_peek,
+    serf_barrier_destroy,
+};