| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS 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 COPYRIGHT |
| * OWNER OR 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. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H |
| #define GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H |
| |
| #include "src/core/channel/channel_stack.h" |
| |
| /* helper for filters that need to host child channel stacks... handles |
| lifetime and upwards propagation cleanly */ |
| |
| extern const grpc_channel_filter grpc_child_channel_top_filter; |
| |
| typedef grpc_channel_stack grpc_child_channel; |
| typedef grpc_call_stack grpc_child_call; |
| |
| /* filters[0] must be &grpc_child_channel_top_filter */ |
| grpc_child_channel *grpc_child_channel_create( |
| grpc_channel_element *parent, const grpc_channel_filter **filters, |
| size_t filter_count, const grpc_channel_args *args, |
| grpc_mdctx *metadata_context); |
| void grpc_child_channel_handle_op(grpc_child_channel *channel, |
| grpc_channel_op *op); |
| grpc_channel_element *grpc_child_channel_get_bottom_element( |
| grpc_child_channel *channel); |
| void grpc_child_channel_destroy(grpc_child_channel *channel, |
| int wait_for_callbacks); |
| |
| grpc_child_call *grpc_child_channel_create_call(grpc_child_channel *channel, |
| grpc_call_element *parent, grpc_transport_op *initial_op); |
| grpc_call_element *grpc_child_call_get_top_element(grpc_child_call *call); |
| void grpc_child_call_destroy(grpc_child_call *call); |
| |
| #endif /* GRPC_INTERNAL_CORE_CHANNEL_CHILD_CHANNEL_H */ |