| /* |
| * |
| * Copyright 2016, 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. |
| * |
| */ |
| |
| /* |
| * A collection of 'macros' that help navigating the grpc object hierarchy |
| * Not intended to be robust for main-line code, often cuts across abstraction |
| * boundaries. |
| */ |
| |
| #include <stdio.h> |
| |
| #include "src/core/ext/client_channel/client_channel.h" |
| #include "src/core/ext/transport/chttp2/transport/internal.h" |
| #include "src/core/lib/channel/connected_channel.h" |
| #include "src/core/lib/surface/call.h" |
| |
| void grpc_summon_debugger_macros() {} |
| |
| grpc_stream *grpc_transport_stream_from_call(grpc_call *call) { |
| grpc_call_stack *cs = grpc_call_get_call_stack(call); |
| for (;;) { |
| grpc_call_element *el = grpc_call_stack_element(cs, cs->count - 1); |
| if (el->filter == &grpc_client_channel_filter) { |
| grpc_subchannel_call *scc = grpc_client_channel_get_subchannel_call(el); |
| if (scc == NULL) { |
| fprintf(stderr, "No subchannel-call"); |
| return NULL; |
| } |
| cs = grpc_subchannel_call_get_call_stack(scc); |
| } else if (el->filter == &grpc_connected_filter) { |
| return grpc_connected_channel_get_stream(el); |
| } else { |
| fprintf(stderr, "Unrecognized filter: %s", el->filter->name); |
| return NULL; |
| } |
| } |
| } |
| |
| grpc_chttp2_stream *grpc_chttp2_stream_from_call(grpc_call *call) { |
| return (grpc_chttp2_stream *)grpc_transport_stream_from_call(call); |
| } |