diff options
author | Sree Kuchibhotla <sreek@google.com> | 2016-08-22 10:01:35 -0700 |
---|---|---|
committer | Sree Kuchibhotla <sreek@google.com> | 2016-08-22 10:01:35 -0700 |
commit | 86edf01593443356fbc3a8b4fa7331a9568fc6d6 (patch) | |
tree | a0abe9834e085347984c8a41db8f43c221c76631 /src/cpp | |
parent | 7bc8b848c036bbddd42f217d5caebda16348674e (diff) | |
parent | daf46996529a983013892344803539e9ae888f24 (diff) |
Merge
Diffstat (limited to 'src/cpp')
-rw-r--r-- | src/cpp/common/channel_filter.cc | 112 | ||||
-rw-r--r-- | src/cpp/common/channel_filter.h | 386 | ||||
-rw-r--r-- | src/cpp/ext/reflection.pb.cc | 137 | ||||
-rw-r--r-- | src/cpp/util/byte_buffer.cc | 25 |
4 files changed, 598 insertions, 62 deletions
diff --git a/src/cpp/common/channel_filter.cc b/src/cpp/common/channel_filter.cc new file mode 100644 index 0000000000..25cd49cb7c --- /dev/null +++ b/src/cpp/common/channel_filter.cc @@ -0,0 +1,112 @@ +/* + * + * Copyright 2016, 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. + * + */ + +#include <string.h> + +#include "src/core/lib/channel/channel_stack.h" +#include "src/cpp/common/channel_filter.h" + +namespace grpc { + +// MetadataBatch + +grpc_linked_mdelem *MetadataBatch::AddMetadata(const string &key, + const string &value) { + grpc_linked_mdelem *storage = new grpc_linked_mdelem; + memset(storage, 0, sizeof(grpc_linked_mdelem)); + storage->md = grpc_mdelem_from_strings(key.c_str(), value.c_str()); + grpc_metadata_batch_link_head(batch_, storage); + return storage; +} + +// ChannelData + +void ChannelData::StartTransportOp(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + TransportOp *op) { + grpc_channel_next_op(exec_ctx, elem, op->op()); +} + +// CallData + +void CallData::StartTransportStreamOp(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + TransportStreamOp *op) { + grpc_call_next_op(exec_ctx, elem, op->op()); +} + +void CallData::SetPollsetOrPollsetSet(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_polling_entity *pollent) { + grpc_call_stack_ignore_set_pollset_or_pollset_set(exec_ctx, elem, pollent); +} + +char *CallData::GetPeer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { + return grpc_call_next_get_peer(exec_ctx, elem); +} + +// internal code used by RegisterChannelFilter() + +namespace internal { + +// Note: Implicitly initialized to nullptr due to static lifetime. +std::vector<FilterRecord> *channel_filters; + +namespace { + +bool MaybeAddFilter(grpc_channel_stack_builder *builder, void *arg) { + const FilterRecord &filter = *(FilterRecord *)arg; + if (filter.include_filter) { + const grpc_channel_args *args = + grpc_channel_stack_builder_get_channel_arguments(builder); + if (!filter.include_filter(*args)) return true; + } + return grpc_channel_stack_builder_prepend_filter(builder, &filter.filter, + nullptr, nullptr); +} + +} // namespace + +void ChannelFilterPluginInit() { + for (size_t i = 0; i < channel_filters->size(); ++i) { + FilterRecord &filter = (*channel_filters)[i]; + grpc_channel_init_register_stage(filter.stack_type, filter.priority, + MaybeAddFilter, (void *)&filter); + } +} + +void ChannelFilterPluginShutdown() {} + +} // namespace internal + +} // namespace grpc diff --git a/src/cpp/common/channel_filter.h b/src/cpp/common/channel_filter.h new file mode 100644 index 0000000000..3fbacd824c --- /dev/null +++ b/src/cpp/common/channel_filter.h @@ -0,0 +1,386 @@ +/* + * + * Copyright 2016, 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 GRPCXX_CHANNEL_FILTER_H +#define GRPCXX_CHANNEL_FILTER_H + +#include <grpc++/impl/codegen/config.h> +#include <grpc/census.h> +#include <grpc/grpc.h> +#include <grpc/impl/codegen/alloc.h> + +#include <functional> +#include <vector> + +#include "src/core/lib/channel/channel_stack.h" +#include "src/core/lib/security/context/security_context.h" +#include "src/core/lib/surface/channel_init.h" +#include "src/core/lib/transport/metadata_batch.h" + +/// An interface to define filters. +/// +/// To define a filter, implement a subclass of each of \c CallData and +/// \c ChannelData. Then register the filter using something like this: +/// \code{.cpp} +/// RegisterChannelFilter<MyChannelDataSubclass, MyCallDataSubclass>( +/// "name-of-filter", GRPC_SERVER_CHANNEL, INT_MAX, nullptr); +/// \endcode + +namespace grpc { + +/// A C++ wrapper for the \c grpc_metadata_batch struct. +class MetadataBatch { + public: + /// Borrows a pointer to \a batch, but does NOT take ownership. + /// The caller must ensure that \a batch continues to exist for as + /// long as the MetadataBatch object does. + explicit MetadataBatch(grpc_metadata_batch *batch) : batch_(batch) {} + + grpc_metadata_batch *batch() const { return batch_; } + + /// Adds metadata and returns the newly allocated storage. + /// The caller takes ownership of the result, which must exist for the + /// lifetime of the gRPC call. + grpc_linked_mdelem *AddMetadata(const string &key, const string &value); + + class const_iterator : public std::iterator<std::bidirectional_iterator_tag, + const grpc_mdelem> { + public: + const grpc_mdelem &operator*() const { return *elem_->md; } + const grpc_mdelem *operator->() const { return elem_->md; } + + const_iterator &operator++() { + elem_ = elem_->next; + return *this; + } + const_iterator operator++(int) { + const_iterator tmp(*this); + operator++(); + return tmp; + } + const_iterator &operator--() { + elem_ = elem_->prev; + return *this; + } + const_iterator operator--(int) { + const_iterator tmp(*this); + operator--(); + return tmp; + } + + bool operator==(const const_iterator &other) const { + return elem_ == other.elem_; + } + bool operator!=(const const_iterator &other) const { + return elem_ != other.elem_; + } + + private: + friend class MetadataBatch; + explicit const_iterator(grpc_linked_mdelem *elem) : elem_(elem) {} + + grpc_linked_mdelem *elem_; + }; + + const_iterator begin() const { return const_iterator(batch_->list.head); } + const_iterator end() const { return const_iterator(nullptr); } + + private: + grpc_metadata_batch *batch_; // Not owned. +}; + +/// A C++ wrapper for the \c grpc_transport_op struct. +class TransportOp { + public: + /// Borrows a pointer to \a op, but does NOT take ownership. + /// The caller must ensure that \a op continues to exist for as + /// long as the TransportOp object does. + explicit TransportOp(grpc_transport_op *op) : op_(op) {} + + grpc_transport_op *op() const { return op_; } + + // TODO(roth): Add a C++ wrapper for grpc_error? + grpc_error *disconnect_with_error() const { + return op_->disconnect_with_error; + } + bool send_goaway() const { return op_->send_goaway; } + + // TODO(roth): Add methods for additional fields as needed. + + private: + grpc_transport_op *op_; // Not owned. +}; + +/// A C++ wrapper for the \c grpc_transport_stream_op struct. +class TransportStreamOp { + public: + /// Borrows a pointer to \a op, but does NOT take ownership. + /// The caller must ensure that \a op continues to exist for as + /// long as the TransportStreamOp object does. + explicit TransportStreamOp(grpc_transport_stream_op *op) + : op_(op), + send_initial_metadata_(op->send_initial_metadata), + send_trailing_metadata_(op->send_trailing_metadata), + recv_initial_metadata_(op->recv_initial_metadata), + recv_trailing_metadata_(op->recv_trailing_metadata) {} + + grpc_transport_stream_op *op() const { return op_; } + + grpc_closure *on_complete() const { return op_->on_complete; } + void set_on_complete(grpc_closure *closure) { op_->on_complete = closure; } + + MetadataBatch *send_initial_metadata() { + return op_->send_initial_metadata == nullptr ? nullptr + : &send_initial_metadata_; + } + MetadataBatch *send_trailing_metadata() { + return op_->send_trailing_metadata == nullptr ? nullptr + : &send_trailing_metadata_; + } + MetadataBatch *recv_initial_metadata() { + return op_->recv_initial_metadata == nullptr ? nullptr + : &recv_initial_metadata_; + } + MetadataBatch *recv_trailing_metadata() { + return op_->recv_trailing_metadata == nullptr ? nullptr + : &recv_trailing_metadata_; + } + + uint32_t *send_initial_metadata_flags() const { + return &op_->send_initial_metadata_flags; + } + + grpc_closure *recv_initial_metadata_ready() const { + return op_->recv_initial_metadata_ready; + } + void set_recv_initial_metadata_ready(grpc_closure *closure) { + op_->recv_initial_metadata_ready = closure; + } + + grpc_byte_stream *send_message() const { return op_->send_message; } + void set_send_message(grpc_byte_stream *send_message) { + op_->send_message = send_message; + } + + /// To be called only on clients and servers, respectively. + grpc_client_security_context *client_security_context() const { + return (grpc_client_security_context *)op_->context[GRPC_CONTEXT_SECURITY] + .value; + } + grpc_server_security_context *server_security_context() const { + return (grpc_server_security_context *)op_->context[GRPC_CONTEXT_SECURITY] + .value; + } + + census_context *get_census_context() const { + return (census_context *)op_->context[GRPC_CONTEXT_TRACING].value; + } + + private: + grpc_transport_stream_op *op_; // Not owned. + MetadataBatch send_initial_metadata_; + MetadataBatch send_trailing_metadata_; + MetadataBatch recv_initial_metadata_; + MetadataBatch recv_trailing_metadata_; +}; + +/// Represents channel data. +class ChannelData { + public: + virtual ~ChannelData() { + if (peer_) gpr_free((void *)peer_); + } + + /// Caller does NOT take ownership of result. + const char *peer() const { return peer_; } + + // TODO(roth): Find a way to avoid passing elem into these methods. + virtual void StartTransportOp(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, TransportOp *op); + + protected: + /// Takes ownership of \a peer. + ChannelData(const grpc_channel_args &args, const char *peer) : peer_(peer) {} + + private: + const char *peer_; +}; + +/// Represents call data. +class CallData { + public: + virtual ~CallData() {} + + /// Initializes the call data. + virtual grpc_error *Init() { return GRPC_ERROR_NONE; } + + // TODO(roth): Find a way to avoid passing elem into these methods. + + /// Starts a new stream operation. + virtual void StartTransportStreamOp(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + TransportStreamOp *op); + + /// Sets a pollset or pollset set. + virtual void SetPollsetOrPollsetSet(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_polling_entity *pollent); + + /// Gets the peer name. + virtual char *GetPeer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem); + + protected: + explicit CallData(const ChannelData &) {} +}; + +namespace internal { + +// Defines static members for passing to C core. +// Members of this class correspond to the members of the C +// grpc_channel_filter struct. +template <typename ChannelDataType, typename CallDataType> +class ChannelFilter GRPC_FINAL { + public: + static const size_t channel_data_size = sizeof(ChannelDataType); + + static void InitChannelElement(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_channel_element_args *args) { + const char *peer = + args->optional_transport + ? grpc_transport_get_peer(exec_ctx, args->optional_transport) + : nullptr; + // Construct the object in the already-allocated memory. + new (elem->channel_data) ChannelDataType(*args->channel_args, peer); + } + + static void DestroyChannelElement(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem) { + reinterpret_cast<ChannelDataType *>(elem->channel_data)->~ChannelDataType(); + } + + static void StartTransportOp(grpc_exec_ctx *exec_ctx, + grpc_channel_element *elem, + grpc_transport_op *op) { + ChannelDataType *channel_data = (ChannelDataType *)elem->channel_data; + TransportOp op_wrapper(op); + channel_data->StartTransportOp(exec_ctx, elem, &op_wrapper); + } + + static const size_t call_data_size = sizeof(CallDataType); + + static grpc_error *InitCallElement(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_call_element_args *args) { + const ChannelDataType &channel_data = + *(ChannelDataType *)elem->channel_data; + // Construct the object in the already-allocated memory. + CallDataType *call_data = new (elem->call_data) CallDataType(channel_data); + return call_data->Init(); + } + + static void DestroyCallElement(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + const grpc_call_final_info *final_info, + void *and_free_memory) { + reinterpret_cast<CallDataType *>(elem->call_data)->~CallDataType(); + } + + static void StartTransportStreamOp(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_transport_stream_op *op) { + CallDataType *call_data = (CallDataType *)elem->call_data; + TransportStreamOp op_wrapper(op); + call_data->StartTransportStreamOp(exec_ctx, elem, &op_wrapper); + } + + static void SetPollsetOrPollsetSet(grpc_exec_ctx *exec_ctx, + grpc_call_element *elem, + grpc_polling_entity *pollent) { + CallDataType *call_data = (CallDataType *)elem->call_data; + call_data->SetPollsetOrPollsetSet(exec_ctx, elem, pollent); + } + + static char *GetPeer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) { + CallDataType *call_data = (CallDataType *)elem->call_data; + return call_data->GetPeer(exec_ctx, elem); + } +}; + +struct FilterRecord { + grpc_channel_stack_type stack_type; + int priority; + std::function<bool(const grpc_channel_args &)> include_filter; + grpc_channel_filter filter; +}; +extern std::vector<FilterRecord> *channel_filters; + +void ChannelFilterPluginInit(); +void ChannelFilterPluginShutdown(); + +} // namespace internal + +/// Registers a new filter. +/// Must be called by only one thread at a time. +/// 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, + std::function<bool(const grpc_channel_args &)> include_filter) { + // If we haven't been called before, initialize channel_filters and + // call grpc_register_plugin(). + if (internal::channel_filters == nullptr) { + grpc_register_plugin(internal::ChannelFilterPluginInit, + internal::ChannelFilterPluginShutdown); + internal::channel_filters = new std::vector<internal::FilterRecord>(); + } + // Add an entry to channel_filters. The filter will be added when the + // C-core initialization code calls ChannelFilterPluginInit(). + typedef internal::ChannelFilter<ChannelDataType, CallDataType> FilterType; + internal::FilterRecord filter_record = { + stack_type, + priority, + include_filter, + {FilterType::StartTransportStreamOp, FilterType::StartTransportOp, + FilterType::call_data_size, FilterType::InitCallElement, + FilterType::SetPollsetOrPollsetSet, FilterType::DestroyCallElement, + FilterType::channel_data_size, FilterType::InitChannelElement, + FilterType::DestroyChannelElement, FilterType::GetPeer, name}}; + internal::channel_filters->push_back(filter_record); +} + +} // namespace grpc + +#endif // GRPCXX_CHANNEL_FILTER_H diff --git a/src/cpp/ext/reflection.pb.cc b/src/cpp/ext/reflection.pb.cc index b73a65d0a0..a84494f9a9 100644 --- a/src/cpp/ext/reflection.pb.cc +++ b/src/cpp/ext/reflection.pb.cc @@ -98,6 +98,7 @@ const ::google::protobuf::internal::GeneratedMessageReflection* } // namespace +void protobuf_AssignDesc_reflection_2eproto() GOOGLE_ATTRIBUTE_COLD; void protobuf_AssignDesc_reflection_2eproto() { protobuf_AddDesc_reflection_2eproto(); const ::google::protobuf::FileDescriptor* file = @@ -253,6 +254,7 @@ inline void protobuf_AssignDescriptorsOnce() { &protobuf_AssignDesc_reflection_2eproto); } +void protobuf_RegisterTypes(const ::std::string&) GOOGLE_ATTRIBUTE_COLD; void protobuf_RegisterTypes(const ::std::string&) { protobuf_AssignDescriptorsOnce(); ::google::protobuf::MessageFactory::InternalRegisterGeneratedMessage( @@ -296,6 +298,7 @@ void protobuf_ShutdownFile_reflection_2eproto() { delete ErrorResponse_reflection_; } +void protobuf_AddDesc_reflection_2eproto() GOOGLE_ATTRIBUTE_COLD; void protobuf_AddDesc_reflection_2eproto() { static bool already_here = false; if (already_here) return; @@ -366,16 +369,6 @@ struct StaticDescriptorInitializer_reflection_2eproto { } } static_descriptor_initializer_reflection_2eproto_; -namespace { - -static void MergeFromFail(int line) GOOGLE_ATTRIBUTE_COLD; -static void MergeFromFail(int line) { - GOOGLE_CHECK(false) << __FILE__ << ":" << line; -} - -} // namespace - - // =================================================================== #if !defined(_MSC_VER) || _MSC_VER >= 1900 @@ -684,8 +677,8 @@ void ServerReflectionRequest::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ServerReflectionRequest) } -::google::protobuf::uint8* ServerReflectionRequest::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ServerReflectionRequest::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ServerReflectionRequest) // optional string host = 1; if (this->host().size() > 0) { @@ -723,8 +716,8 @@ void ServerReflectionRequest::SerializeWithCachedSizes( // optional .grpc.reflection.v1alpha.ExtensionRequest file_containing_extension = 5; if (has_file_containing_extension()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 5, *message_request_.file_containing_extension_, target); + InternalWriteMessageNoVirtualToArray( + 5, *message_request_.file_containing_extension_, false, target); } // optional string all_extension_numbers_of_type = 6; @@ -812,7 +805,9 @@ int ServerReflectionRequest::ByteSize() const { void ServerReflectionRequest::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ServerReflectionRequest) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ServerReflectionRequest* source = ::google::protobuf::internal::DynamicCastToGenerated<const ServerReflectionRequest>( &from); @@ -827,7 +822,9 @@ void ServerReflectionRequest::MergeFrom(const ::google::protobuf::Message& from) void ServerReflectionRequest::MergeFrom(const ServerReflectionRequest& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ServerReflectionRequest) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } switch (from.message_request_case()) { case kFileByFilename: { set_file_by_filename(from.file_by_filename()); @@ -1486,8 +1483,8 @@ void ExtensionRequest::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ExtensionRequest) } -::google::protobuf::uint8* ExtensionRequest::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ExtensionRequest::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ExtensionRequest) // optional string containing_type = 1; if (this->containing_type().size() > 0) { @@ -1535,7 +1532,9 @@ int ExtensionRequest::ByteSize() const { void ExtensionRequest::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ExtensionRequest) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ExtensionRequest* source = ::google::protobuf::internal::DynamicCastToGenerated<const ExtensionRequest>( &from); @@ -1550,7 +1549,9 @@ void ExtensionRequest::MergeFrom(const ::google::protobuf::Message& from) { void ExtensionRequest::MergeFrom(const ExtensionRequest& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ExtensionRequest) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } if (from.containing_type().size() > 0) { containing_type_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.containing_type_); @@ -1937,8 +1938,8 @@ void ServerReflectionResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ServerReflectionResponse) } -::google::protobuf::uint8* ServerReflectionResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ServerReflectionResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ServerReflectionResponse) // optional string valid_host = 1; if (this->valid_host().size() > 0) { @@ -1954,36 +1955,36 @@ void ServerReflectionResponse::SerializeWithCachedSizes( // optional .grpc.reflection.v1alpha.ServerReflectionRequest original_request = 2; if (this->has_original_request()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 2, *this->original_request_, target); + InternalWriteMessageNoVirtualToArray( + 2, *this->original_request_, false, target); } // optional .grpc.reflection.v1alpha.FileDescriptorResponse file_descriptor_response = 4; if (has_file_descriptor_response()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 4, *message_response_.file_descriptor_response_, target); + InternalWriteMessageNoVirtualToArray( + 4, *message_response_.file_descriptor_response_, false, target); } // optional .grpc.reflection.v1alpha.ExtensionNumberResponse all_extension_numbers_response = 5; if (has_all_extension_numbers_response()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 5, *message_response_.all_extension_numbers_response_, target); + InternalWriteMessageNoVirtualToArray( + 5, *message_response_.all_extension_numbers_response_, false, target); } // optional .grpc.reflection.v1alpha.ListServiceResponse list_services_response = 6; if (has_list_services_response()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 6, *message_response_.list_services_response_, target); + InternalWriteMessageNoVirtualToArray( + 6, *message_response_.list_services_response_, false, target); } // optional .grpc.reflection.v1alpha.ErrorResponse error_response = 7; if (has_error_response()) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 7, *message_response_.error_response_, target); + InternalWriteMessageNoVirtualToArray( + 7, *message_response_.error_response_, false, target); } // @@protoc_insertion_point(serialize_to_array_end:grpc.reflection.v1alpha.ServerReflectionResponse) @@ -2049,7 +2050,9 @@ int ServerReflectionResponse::ByteSize() const { void ServerReflectionResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ServerReflectionResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ServerReflectionResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const ServerReflectionResponse>( &from); @@ -2064,7 +2067,9 @@ void ServerReflectionResponse::MergeFrom(const ::google::protobuf::Message& from void ServerReflectionResponse::MergeFrom(const ServerReflectionResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ServerReflectionResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } switch (from.message_response_case()) { case kFileDescriptorResponse: { mutable_file_descriptor_response()->::grpc::reflection::v1alpha::FileDescriptorResponse::MergeFrom(from.file_descriptor_response()); @@ -2550,8 +2555,8 @@ void FileDescriptorResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.FileDescriptorResponse) } -::google::protobuf::uint8* FileDescriptorResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* FileDescriptorResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.FileDescriptorResponse) // repeated bytes file_descriptor_proto = 1; for (int i = 0; i < this->file_descriptor_proto_size(); i++) { @@ -2582,7 +2587,9 @@ int FileDescriptorResponse::ByteSize() const { void FileDescriptorResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.FileDescriptorResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const FileDescriptorResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const FileDescriptorResponse>( &from); @@ -2597,7 +2604,9 @@ void FileDescriptorResponse::MergeFrom(const ::google::protobuf::Message& from) void FileDescriptorResponse::MergeFrom(const FileDescriptorResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.FileDescriptorResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } file_descriptor_proto_.MergeFrom(from.file_descriptor_proto_); } @@ -2863,8 +2872,8 @@ void ExtensionNumberResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ExtensionNumberResponse) } -::google::protobuf::uint8* ExtensionNumberResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ExtensionNumberResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ExtensionNumberResponse) // optional string base_type_name = 1; if (this->base_type_name().size() > 0) { @@ -2931,7 +2940,9 @@ int ExtensionNumberResponse::ByteSize() const { void ExtensionNumberResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ExtensionNumberResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ExtensionNumberResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const ExtensionNumberResponse>( &from); @@ -2946,7 +2957,9 @@ void ExtensionNumberResponse::MergeFrom(const ::google::protobuf::Message& from) void ExtensionNumberResponse::MergeFrom(const ExtensionNumberResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ExtensionNumberResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } extension_number_.MergeFrom(from.extension_number_); if (from.base_type_name().size() > 0) { @@ -3199,14 +3212,14 @@ void ListServiceResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ListServiceResponse) } -::google::protobuf::uint8* ListServiceResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ListServiceResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ListServiceResponse) // repeated .grpc.reflection.v1alpha.ServiceResponse service = 1; for (unsigned int i = 0, n = this->service_size(); i < n; i++) { target = ::google::protobuf::internal::WireFormatLite:: - WriteMessageNoVirtualToArray( - 1, this->service(i), target); + InternalWriteMessageNoVirtualToArray( + 1, this->service(i), false, target); } // @@protoc_insertion_point(serialize_to_array_end:grpc.reflection.v1alpha.ListServiceResponse) @@ -3233,7 +3246,9 @@ int ListServiceResponse::ByteSize() const { void ListServiceResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ListServiceResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ListServiceResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const ListServiceResponse>( &from); @@ -3248,7 +3263,9 @@ void ListServiceResponse::MergeFrom(const ::google::protobuf::Message& from) { void ListServiceResponse::MergeFrom(const ListServiceResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ListServiceResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } service_.MergeFrom(from.service_); } @@ -3459,8 +3476,8 @@ void ServiceResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ServiceResponse) } -::google::protobuf::uint8* ServiceResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ServiceResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ServiceResponse) // optional string name = 1; if (this->name().size() > 0) { @@ -3496,7 +3513,9 @@ int ServiceResponse::ByteSize() const { void ServiceResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ServiceResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ServiceResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const ServiceResponse>( &from); @@ -3511,7 +3530,9 @@ void ServiceResponse::MergeFrom(const ::google::protobuf::Message& from) { void ServiceResponse::MergeFrom(const ServiceResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ServiceResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } if (from.name().size() > 0) { name_.AssignWithDefault(&::google::protobuf::internal::GetEmptyStringAlreadyInited(), from.name_); @@ -3762,8 +3783,8 @@ void ErrorResponse::SerializeWithCachedSizes( // @@protoc_insertion_point(serialize_end:grpc.reflection.v1alpha.ErrorResponse) } -::google::protobuf::uint8* ErrorResponse::SerializeWithCachedSizesToArray( - ::google::protobuf::uint8* target) const { +::google::protobuf::uint8* ErrorResponse::InternalSerializeWithCachedSizesToArray( + bool deterministic, ::google::protobuf::uint8* target) const { // @@protoc_insertion_point(serialize_to_array_start:grpc.reflection.v1alpha.ErrorResponse) // optional int32 error_code = 1; if (this->error_code() != 0) { @@ -3811,7 +3832,9 @@ int ErrorResponse::ByteSize() const { void ErrorResponse::MergeFrom(const ::google::protobuf::Message& from) { // @@protoc_insertion_point(generalized_merge_from_start:grpc.reflection.v1alpha.ErrorResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } const ErrorResponse* source = ::google::protobuf::internal::DynamicCastToGenerated<const ErrorResponse>( &from); @@ -3826,7 +3849,9 @@ void ErrorResponse::MergeFrom(const ::google::protobuf::Message& from) { void ErrorResponse::MergeFrom(const ErrorResponse& from) { // @@protoc_insertion_point(class_specific_merge_from_start:grpc.reflection.v1alpha.ErrorResponse) - if (GOOGLE_PREDICT_FALSE(&from == this)) MergeFromFail(__LINE__); + if (GOOGLE_PREDICT_FALSE(&from == this)) { + ::google::protobuf::internal::MergeFromFail(__FILE__, __LINE__); + } if (from.error_code() != 0) { set_error_code(from.error_code()); } diff --git a/src/cpp/util/byte_buffer.cc b/src/cpp/util/byte_buffer.cc index c2cd20ee07..4c4772a92b 100644 --- a/src/cpp/util/byte_buffer.cc +++ b/src/cpp/util/byte_buffer.cc @@ -37,12 +37,19 @@ namespace grpc { ByteBuffer::ByteBuffer(const Slice* slices, size_t nslices) { - // TODO(yangg) maybe expose some core API to simplify this - std::vector<gpr_slice> c_slices(nslices); - for (size_t i = 0; i < nslices; i++) { - c_slices[i] = slices[i].slice_; - } - buffer_ = grpc_raw_byte_buffer_create(c_slices.data(), nslices); + // The following assertions check that the representation of a grpc::Slice is + // identical to that of a gpr_slice: it has a gpr_slice field, and nothing + // else. + static_assert(std::is_same<decltype(slices[0].slice_), gpr_slice>::value, + "Slice must have same representation as gpr_slice"); + static_assert(sizeof(Slice) == sizeof(gpr_slice), + "Slice must have same representation as gpr_slice"); + // The const_cast is legal if grpc_raw_byte_buffer_create() does no more + // than its advertised side effect of increasing the reference count of the + // slices it processes, and such an increase does not affect the semantics + // seen by the caller of this constructor. + buffer_ = grpc_raw_byte_buffer_create( + reinterpret_cast<gpr_slice*>(const_cast<Slice*>(slices)), nslices); } ByteBuffer::~ByteBuffer() { @@ -95,4 +102,10 @@ ByteBuffer& ByteBuffer::operator=(const ByteBuffer& buf) { return *this; } +void ByteBuffer::Swap(ByteBuffer* other) { + grpc_byte_buffer* tmp = other->buffer_; + other->buffer_ = this->buffer_; + this->buffer_ = tmp; +} + } // namespace grpc |