1 files changed, 79 insertions, 0 deletions
diff --git a/modules/http2/h2_ngn_shed.h b/modules/http2/h2_ngn_shed.h
new file mode 100644
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+++ b/modules/http2/h2_ngn_shed.h
@@ -0,0 +1,79 @@
+/* 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.
+ */
+
+#ifndef h2_req_shed_h
+#define h2_req_shed_h
+
+struct h2_req_engine;
+struct h2_task;
+
+typedef struct h2_ngn_shed h2_ngn_shed;
+struct h2_ngn_shed {
+    conn_rec *c;
+    apr_pool_t *pool;
+    apr_hash_t *ngns;
+    void *user_ctx;
+    
+    unsigned int aborted : 1;
+    
+    int default_capacity;
+    apr_size_t req_buffer_size; /* preferred buffer size for responses */
+};
+
+const char *h2_req_engine_get_id(h2_req_engine *engine);
+int h2_req_engine_is_shutdown(h2_req_engine *engine);
+
+void h2_req_engine_out_consumed(h2_req_engine *engine, conn_rec *c, 
+                                apr_off_t bytes);
+
+typedef apr_status_t h2_shed_ngn_init(h2_req_engine *engine, 
+                                      const char *id, 
+                                      const char *type,
+                                      apr_pool_t *pool, 
+                                      apr_size_t req_buffer_size,
+                                      request_rec *r,
+                                      h2_output_consumed **pconsumed,
+                                      void **pbaton);
+
+h2_ngn_shed *h2_ngn_shed_create(apr_pool_t *pool, conn_rec *c,
+                                int default_capactiy, 
+                                apr_size_t req_buffer_size); 
+
+void h2_ngn_shed_destroy(h2_ngn_shed *shed);
+
+void h2_ngn_shed_set_ctx(h2_ngn_shed *shed, void *user_ctx);
+void *h2_ngn_shed_get_ctx(h2_ngn_shed *shed);
+
+h2_ngn_shed *h2_ngn_shed_get_shed(struct h2_req_engine *ngn);
+
+void h2_ngn_shed_abort(h2_ngn_shed *shed);
+
+apr_status_t h2_ngn_shed_push_request(h2_ngn_shed *shed, const char *ngn_type, 
+                                      request_rec *r, 
+                                      h2_shed_ngn_init *init_cb);
+
+apr_status_t h2_ngn_shed_pull_request(h2_ngn_shed *shed, h2_req_engine *pub_ngn, 
+                                      int capacity, 
+                                      int want_shutdown, request_rec **pr);
+
+apr_status_t h2_ngn_shed_done_task(h2_ngn_shed *shed, 
+                                   struct h2_req_engine *ngn, 
+                                   struct h2_task *task);
+
+void h2_ngn_shed_done_ngn(h2_ngn_shed *shed, struct h2_req_engine *ngn);
+
+
+#endif /* h2_req_shed_h */