The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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63 lines
1.8 KiB
63 lines
1.8 KiB
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// Copyright 2015 gRPC authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// http://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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// |
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#ifndef GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H |
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#define GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H |
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#include <grpc/support/port_platform.h> |
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#include "src/core/lib/promise/context.h" |
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/// Call object context pointers. |
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/// Call context is represented as an array of \a grpc_call_context_elements. |
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/// This enum represents the indexes into the array, where each index |
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/// contains a different type of value. |
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typedef enum { |
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/// Value is either a \a grpc_client_security_context or a |
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/// \a grpc_server_security_context. |
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GRPC_CONTEXT_SECURITY = 0, |
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/// Value is a \a census_context. |
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GRPC_CONTEXT_TRACING, |
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/// Value is a CallTracer object. |
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GRPC_CONTEXT_CALL_TRACER, |
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/// Reserved for traffic_class_context. |
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GRPC_CONTEXT_TRAFFIC, |
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/// Holds a pointer to ServiceConfigCallData associated with this call. |
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GRPC_CONTEXT_SERVICE_CONFIG_CALL_DATA, |
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GRPC_CONTEXT_COUNT |
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} grpc_context_index; |
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struct grpc_call_context_element { |
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void* value = nullptr; |
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void (*destroy)(void*) = nullptr; |
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}; |
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namespace grpc_core { |
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// Bind the legacy context array into the new style structure |
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// TODO(ctiller): remove as we migrate these contexts to the new system. |
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template <> |
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struct ContextType<grpc_call_context_element> {}; |
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} // namespace grpc_core |
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#endif // GRPC_SRC_CORE_LIB_CHANNEL_CONTEXT_H
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