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Merge pull request grpc#9372 from markdroth/proxy_mapper
Add proxy mapper hook.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * | ||
| * Copyright 2017, 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/ext/client_channel/proxy_mapper.h" | ||
|
|
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| void grpc_proxy_mapper_init(const grpc_proxy_mapper_vtable* vtable, | ||
| grpc_proxy_mapper* mapper) { | ||
| mapper->vtable = vtable; | ||
| } | ||
|
|
||
| bool grpc_proxy_mapper_map(grpc_exec_ctx* exec_ctx, grpc_proxy_mapper* mapper, | ||
| const grpc_resolved_address* address, | ||
| const grpc_channel_args* args, | ||
| grpc_resolved_address** new_address, | ||
| grpc_channel_args** new_args) { | ||
| return mapper->vtable->map(exec_ctx, mapper, address, args, new_address, | ||
| new_args); | ||
| } | ||
|
|
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| void grpc_proxy_mapper_destroy(grpc_proxy_mapper* mapper) { | ||
| mapper->vtable->destroy(mapper); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * | ||
| * Copyright 2017, 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_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H | ||
| #define GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H | ||
|
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| #include <stdbool.h> | ||
|
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| #include <grpc/impl/codegen/grpc_types.h> | ||
|
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| #include "src/core/lib/iomgr/resolve_address.h" | ||
|
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| typedef struct grpc_proxy_mapper grpc_proxy_mapper; | ||
|
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| typedef struct { | ||
| /// Determines the proxy address to use to contact \a address. | ||
| /// If no proxy is needed, returns false. | ||
| /// Otherwise, sets \a new_address, optionally sets \a new_args, and | ||
| /// returns true. | ||
| bool (*map)(grpc_exec_ctx* exec_ctx, grpc_proxy_mapper* mapper, | ||
| const grpc_resolved_address* address, | ||
| const grpc_channel_args* args, | ||
| grpc_resolved_address** new_address, | ||
| grpc_channel_args** new_args); | ||
| /// Destroys \a mapper. | ||
| void (*destroy)(grpc_proxy_mapper* mapper); | ||
| } grpc_proxy_mapper_vtable; | ||
|
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| struct grpc_proxy_mapper { | ||
| const grpc_proxy_mapper_vtable* vtable; | ||
| }; | ||
|
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| void grpc_proxy_mapper_init(const grpc_proxy_mapper_vtable* vtable, | ||
| grpc_proxy_mapper* mapper); | ||
|
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| bool grpc_proxy_mapper_map(grpc_exec_ctx* exec_ctx, grpc_proxy_mapper* mapper, | ||
| const grpc_resolved_address* address, | ||
| const grpc_channel_args* args, | ||
| grpc_resolved_address** new_address, | ||
| grpc_channel_args** new_args); | ||
| void grpc_proxy_mapper_destroy(grpc_proxy_mapper* mapper); | ||
|
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| #endif /* GRPC_CORE_EXT_CLIENT_CHANNEL_PROXY_MAPPER_H */ |
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