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/*
*
* 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.
*
*/
#include "src/core/client_config/subchannel_factory_decorators/merge_channel_args.h"
#include <grpc/support/alloc.h>
#include "src/core/channel/channel_args.h"
typedef struct {
grpc_subchannel_factory base;
gpr_refcount refs;
grpc_subchannel_factory *wrapped;
grpc_channel_args *merge_args;
} merge_args_factory;
static void merge_args_factory_ref(grpc_subchannel_factory *scf) {
merge_args_factory *f = (merge_args_factory *)scf;
gpr_ref(&f->refs);
}
static void merge_args_factory_unref(grpc_subchannel_factory *scf) {
merge_args_factory *f = (merge_args_factory *)scf;
if (gpr_unref(&f->refs)) {
grpc_subchannel_factory_unref(f->wrapped);
grpc_channel_args_destroy(f->merge_args);
gpr_free(f);
}
}
static grpc_subchannel *merge_args_factory_create_subchannel(
grpc_subchannel_factory *scf, grpc_subchannel_args *args) {
merge_args_factory *f = (merge_args_factory *)scf;
grpc_channel_args *final_args =
grpc_channel_args_merge(args->args, f->merge_args);
grpc_subchannel *s;
args->args = final_args;
s = grpc_subchannel_factory_create_subchannel(f->wrapped, args);
grpc_channel_args_destroy(final_args);
return s;
}
static const grpc_subchannel_factory_vtable merge_args_factory_vtable = {
merge_args_factory_ref, merge_args_factory_unref,
merge_args_factory_create_subchannel};
grpc_subchannel_factory *grpc_subchannel_factory_merge_channel_args(
grpc_subchannel_factory *input, const grpc_channel_args *args) {
merge_args_factory *f = gpr_malloc(sizeof(*f));
f->base.vtable = &merge_args_factory_vtable;
gpr_ref_init(&f->refs, 1);
grpc_subchannel_factory_ref(input);
f->wrapped = input;
f->merge_args = grpc_channel_args_copy(args);
return &f->base;
}
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