diff options
Diffstat (limited to 'src/cpp/common/channel_filter.h')
-rw-r--r-- | src/cpp/common/channel_filter.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/cpp/common/channel_filter.h b/src/cpp/common/channel_filter.h index 5e569c97e6..359c72737c 100644 --- a/src/cpp/common/channel_filter.h +++ b/src/cpp/common/channel_filter.h @@ -36,7 +36,8 @@ /// \c ChannelData. Then register the filter using something like this: /// \code{.cpp} /// RegisterChannelFilter<MyChannelDataSubclass, MyCallDataSubclass>( -/// "name-of-filter", GRPC_SERVER_CHANNEL, INT_MAX, nullptr); +/// "name-of-filter", GRPC_SERVER_CHANNEL, GRPC_CHANNEL_INIT_PRIORITY_LOW, +/// true, nullptr); /// \endcode namespace grpc { @@ -351,6 +352,7 @@ class ChannelFilter final { struct FilterRecord { grpc_channel_stack_type stack_type; int priority; + bool prepend; std::function<bool(const grpc_channel_args&)> include_filter; grpc_channel_filter filter; }; @@ -363,12 +365,14 @@ void ChannelFilterPluginShutdown(); /// Registers a new filter. /// Must be called by only one thread at a time. +/// The \a prepend argument decides whether to prepend or append the filter. /// The \a include_filter argument specifies a function that will be called /// to determine at run-time whether or not to add the filter. If the /// value is nullptr, the filter will be added unconditionally. template <typename ChannelDataType, typename CallDataType> void RegisterChannelFilter( const char* name, grpc_channel_stack_type stack_type, int priority, + bool prepend, std::function<bool(const grpc_channel_args&)> include_filter) { // If we haven't been called before, initialize channel_filters and // call grpc_register_plugin(). @@ -383,6 +387,7 @@ void RegisterChannelFilter( internal::FilterRecord filter_record = { stack_type, priority, + prepend, include_filter, {FilterType::StartTransportStreamOpBatch, FilterType::StartTransportOp, FilterType::call_data_size, FilterType::InitCallElement, |