/* * * 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_CORE_LIB_CHANNEL_CONTEXT_H #define GRPC_CORE_LIB_CHANNEL_CONTEXT_H /// Call object context pointers. /// Call context is represented as an array of \a grpc_call_context_elements. /// This enum represents the indexes into the array, where each index /// contains a different type of value. typedef enum { /// Value is either a \a grpc_client_security_context or a /// \a grpc_server_security_context. GRPC_CONTEXT_SECURITY = 0, /// Value is a \a census_context. GRPC_CONTEXT_TRACING, /// Reserved for traffic_class_context. GRPC_CONTEXT_TRAFFIC, /// Value is a \a grpc_grpclb_client_stats. GRPC_GRPCLB_CLIENT_STATS, GRPC_CONTEXT_COUNT } grpc_context_index; typedef struct { void *value; void (*destroy)(void *); } grpc_call_context_element; #endif /* GRPC_CORE_LIB_CHANNEL_CONTEXT_H */