http: Add max stream duration (#10314)

Signed-off-by: shikugawa <rei@tetrate.io>

Mirrored from https://github.com/envoyproxy/envoy @ 7478c81e197013511b8d583d28281f1223f9ee79

envoy/api/v2/core/protocol.proto

@@ -59,6 +59,12 @@ message HttpProtocolOptions {
   // maximum number of request headers allowed is 100. Requests that exceed this limit will receive
   // a 431 response for HTTP/1.x and cause a stream reset for HTTP/2.
   google.protobuf.UInt32Value max_headers_count = 2 [(validate.rules).uint32 = {gte: 1}];
+
+  // Total duration to keep alive an HTTP request/response stream. If the time limit is reached the stream will be
+  // reset independent of any other timeouts. If not specified, this value is not set.
+  // The current implementation implements this timeout on downstream connections only.
+  // [#comment:TODO(shikugawa): add this functionality to upstream.]
+  google.protobuf.Duration max_stream_duration = 4;
 }
 
 // [#next-free-field: 6]

envoy/config/core/v3/protocol.proto

@@ -67,6 +67,12 @@ message HttpProtocolOptions {
   // maximum number of request headers allowed is 100. Requests that exceed this limit will receive
   // a 431 response for HTTP/1.x and cause a stream reset for HTTP/2.
   google.protobuf.UInt32Value max_headers_count = 2 [(validate.rules).uint32 = {gte: 1}];
+
+  // Total duration to keep alive an HTTP request/response stream. If the time limit is reached the stream will be
+  // reset independent of any other timeouts. If not specified, this value is not set.
+  // The current implementation implements this timeout on downstream connections only.
+  // [#comment:TODO(shikugawa): add this functionality to upstream.]
+  google.protobuf.Duration max_stream_duration = 4;
 }
 
 // [#next-free-field: 6]