1 //
2 // Copyright 2016 gRPC authors.
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //     http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 
17 #ifndef GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H
18 #define GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H
19 
20 #include <grpc/support/port_platform.h>
21 
22 #include "src/core/ext/filters/client_channel/service_config_parser.h"
23 #include "src/core/lib/channel/channel_stack.h"
24 
25 extern const grpc_channel_filter grpc_message_size_filter;
26 
27 namespace grpc_core {
28 
29 class MessageSizeParsedConfig : public ServiceConfigParser::ParsedConfig {
30  public:
31   struct message_size_limits {
32     int max_send_size;
33     int max_recv_size;
34   };
35 
MessageSizeParsedConfig(int max_send_size,int max_recv_size)36   MessageSizeParsedConfig(int max_send_size, int max_recv_size) {
37     limits_.max_send_size = max_send_size;
38     limits_.max_recv_size = max_recv_size;
39   }
40 
limits()41   const message_size_limits& limits() const { return limits_; }
42 
43  private:
44   message_size_limits limits_;
45 };
46 
47 class MessageSizeParser : public ServiceConfigParser::Parser {
48  public:
49   std::unique_ptr<ServiceConfigParser::ParsedConfig> ParsePerMethodParams(
50       const Json& json, grpc_error** error) override;
51 
52   static void Register();
53 
54   static size_t ParserIndex();
55 };
56 
57 }  // namespace grpc_core
58 
59 #endif /* GRPC_CORE_EXT_FILTERS_MESSAGE_SIZE_MESSAGE_SIZE_FILTER_H */
60