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-rw-r--r--include/grpc++/impl/codegen/config_protobuf.h2
-rw-r--r--include/grpc++/impl/codegen/core_codegen.h4
-rw-r--r--include/grpc++/impl/codegen/core_codegen_interface.h8
-rw-r--r--include/grpc++/impl/codegen/proto_utils.h112
4 files changed, 83 insertions, 43 deletions
diff --git a/include/grpc++/impl/codegen/config_protobuf.h b/include/grpc++/impl/codegen/config_protobuf.h
index c5e5bdf0db..7387fa25c6 100644
--- a/include/grpc++/impl/codegen/config_protobuf.h
+++ b/include/grpc++/impl/codegen/config_protobuf.h
@@ -19,6 +19,8 @@
#ifndef GRPCXX_IMPL_CODEGEN_CONFIG_PROTOBUF_H
#define GRPCXX_IMPL_CODEGEN_CONFIG_PROTOBUF_H
+#define GRPC_OPEN_SOURCE_PROTO
+
#ifndef GRPC_CUSTOM_PROTOBUF_INT64
#include <google/protobuf/stubs/common.h>
#define GRPC_CUSTOM_PROTOBUF_INT64 ::google::protobuf::int64
diff --git a/include/grpc++/impl/codegen/core_codegen.h b/include/grpc++/impl/codegen/core_codegen.h
index c751c1e734..d7c57bebb9 100644
--- a/include/grpc++/impl/codegen/core_codegen.h
+++ b/include/grpc++/impl/codegen/core_codegen.h
@@ -50,6 +50,9 @@ class CoreCodegen final : public CoreCodegenInterface {
void* gpr_malloc(size_t size) override;
void gpr_free(void* p) override;
+ void grpc_init() override;
+ void grpc_shutdown() override;
+
void gpr_mu_init(gpr_mu* mu) override;
void gpr_mu_destroy(gpr_mu* mu) override;
void gpr_mu_lock(gpr_mu* mu) override;
@@ -89,6 +92,7 @@ class CoreCodegen final : public CoreCodegenInterface {
grpc_slice grpc_slice_ref(grpc_slice slice) override;
grpc_slice grpc_slice_split_tail(grpc_slice* s, size_t split) override;
grpc_slice grpc_slice_split_head(grpc_slice* s, size_t split) override;
+ grpc_slice grpc_slice_sub(grpc_slice s, size_t begin, size_t end) override;
void grpc_slice_buffer_add(grpc_slice_buffer* sb, grpc_slice slice) override;
void grpc_slice_buffer_pop(grpc_slice_buffer* sb) override;
grpc_slice grpc_slice_from_static_buffer(const void* buffer,
diff --git a/include/grpc++/impl/codegen/core_codegen_interface.h b/include/grpc++/impl/codegen/core_codegen_interface.h
index a4c50dab87..1949cdab76 100644
--- a/include/grpc++/impl/codegen/core_codegen_interface.h
+++ b/include/grpc++/impl/codegen/core_codegen_interface.h
@@ -63,6 +63,13 @@ class CoreCodegenInterface {
virtual void* gpr_malloc(size_t size) = 0;
virtual void gpr_free(void* p) = 0;
+ // These are only to be used to fix edge cases involving grpc_init and
+ // grpc_shutdown. Calling grpc_init from the codegen interface before
+ // the real grpc_init is called will cause a crash, so if you use this
+ // function, ensure that it is not the first call to grpc_init.
+ virtual void grpc_init() = 0;
+ virtual void grpc_shutdown() = 0;
+
virtual void gpr_mu_init(gpr_mu* mu) = 0;
virtual void gpr_mu_destroy(gpr_mu* mu) = 0;
virtual void gpr_mu_lock(gpr_mu* mu) = 0;
@@ -103,6 +110,7 @@ class CoreCodegenInterface {
virtual grpc_slice grpc_slice_ref(grpc_slice slice) = 0;
virtual grpc_slice grpc_slice_split_tail(grpc_slice* s, size_t split) = 0;
virtual grpc_slice grpc_slice_split_head(grpc_slice* s, size_t split) = 0;
+ virtual grpc_slice grpc_slice_sub(grpc_slice s, size_t begin, size_t end) = 0;
virtual void grpc_slice_buffer_add(grpc_slice_buffer* sb,
grpc_slice slice) = 0;
virtual void grpc_slice_buffer_pop(grpc_slice_buffer* sb) = 0;
diff --git a/include/grpc++/impl/codegen/proto_utils.h b/include/grpc++/impl/codegen/proto_utils.h
index 67e8f71a89..0f7e115c9a 100644
--- a/include/grpc++/impl/codegen/proto_utils.h
+++ b/include/grpc++/impl/codegen/proto_utils.h
@@ -39,8 +39,7 @@ class GrpcBufferWriterPeer;
const int kGrpcBufferWriterMaxBufferLength = 1024 * 1024;
-class GrpcBufferWriter final
- : public ::grpc::protobuf::io::ZeroCopyOutputStream {
+class GrpcBufferWriter : public ::grpc::protobuf::io::ZeroCopyOutputStream {
public:
explicit GrpcBufferWriter(grpc_byte_buffer** bp, int block_size)
: block_size_(block_size), byte_count_(0), have_backup_(false) {
@@ -88,7 +87,7 @@ class GrpcBufferWriter final
grpc::protobuf::int64 ByteCount() const override { return byte_count_; }
- private:
+ protected:
friend class GrpcBufferWriterPeer;
const int block_size_;
int64_t byte_count_;
@@ -98,8 +97,7 @@ class GrpcBufferWriter final
grpc_slice slice_;
};
-class GrpcBufferReader final
- : public ::grpc::protobuf::io::ZeroCopyInputStream {
+class GrpcBufferReader : public ::grpc::protobuf::io::ZeroCopyInputStream {
public:
explicit GrpcBufferReader(grpc_byte_buffer* buffer)
: byte_count_(0), backup_count_(0), status_() {
@@ -160,7 +158,7 @@ class GrpcBufferReader final
return byte_count_ - backup_count_;
}
- private:
+ protected:
int64_t byte_count_;
int64_t backup_count_;
grpc_byte_buffer_reader reader_;
@@ -168,57 +166,85 @@ class GrpcBufferReader final
Status status_;
};
+// BufferWriter must be a subclass of io::ZeroCopyOutputStream.
+template <class BufferWriter, class T>
+Status GenericSerialize(const grpc::protobuf::Message& msg,
+ grpc_byte_buffer** bp, bool* own_buffer) {
+ static_assert(
+ std::is_base_of<protobuf::io::ZeroCopyOutputStream, BufferWriter>::value,
+ "BufferWriter must be a subclass of io::ZeroCopyOutputStream");
+ *own_buffer = true;
+ int byte_size = msg.ByteSize();
+ if (byte_size <= kGrpcBufferWriterMaxBufferLength) {
+ grpc_slice slice = g_core_codegen_interface->grpc_slice_malloc(byte_size);
+ GPR_CODEGEN_ASSERT(
+ GRPC_SLICE_END_PTR(slice) ==
+ msg.SerializeWithCachedSizesToArray(GRPC_SLICE_START_PTR(slice)));
+ *bp = g_core_codegen_interface->grpc_raw_byte_buffer_create(&slice, 1);
+ g_core_codegen_interface->grpc_slice_unref(slice);
+ return g_core_codegen_interface->ok();
+ } else {
+ BufferWriter writer(bp, kGrpcBufferWriterMaxBufferLength);
+ return msg.SerializeToZeroCopyStream(&writer)
+ ? g_core_codegen_interface->ok()
+ : Status(StatusCode::INTERNAL, "Failed to serialize message");
+ }
+}
+
+// BufferReader must be a subclass of io::ZeroCopyInputStream.
+template <class BufferReader, class T>
+Status GenericDeserialize(grpc_byte_buffer* buffer,
+ grpc::protobuf::Message* msg) {
+ static_assert(
+ std::is_base_of<protobuf::io::ZeroCopyInputStream, BufferReader>::value,
+ "BufferReader must be a subclass of io::ZeroCopyInputStream");
+ if (buffer == nullptr) {
+ return Status(StatusCode::INTERNAL, "No payload");
+ }
+ Status result = g_core_codegen_interface->ok();
+ {
+ BufferReader reader(buffer);
+ if (!reader.status().ok()) {
+ return reader.status();
+ }
+ ::grpc::protobuf::io::CodedInputStream decoder(&reader);
+ decoder.SetTotalBytesLimit(INT_MAX, INT_MAX);
+ if (!msg->ParseFromCodedStream(&decoder)) {
+ result = Status(StatusCode::INTERNAL, msg->InitializationErrorString());
+ }
+ if (!decoder.ConsumedEntireMessage()) {
+ result = Status(StatusCode::INTERNAL, "Did not read entire message");
+ }
+ }
+ g_core_codegen_interface->grpc_byte_buffer_destroy(buffer);
+ return result;
+}
+
} // namespace internal
+// this is needed so the following class does not conflict with protobuf
+// serializers that utilize internal-only tools.
+#ifdef GRPC_OPEN_SOURCE_PROTO
+// This class provides a protobuf serializer. It translates between protobuf
+// objects and grpc_byte_buffers. More information about SerializationTraits can
+// be found in include/grpc++/impl/codegen/serialization_traits.h.
template <class T>
class SerializationTraits<T, typename std::enable_if<std::is_base_of<
grpc::protobuf::Message, T>::value>::type> {
public:
static Status Serialize(const grpc::protobuf::Message& msg,
grpc_byte_buffer** bp, bool* own_buffer) {
- *own_buffer = true;
- int byte_size = msg.ByteSize();
- if (byte_size <= internal::kGrpcBufferWriterMaxBufferLength) {
- grpc_slice slice = g_core_codegen_interface->grpc_slice_malloc(byte_size);
- GPR_CODEGEN_ASSERT(
- GRPC_SLICE_END_PTR(slice) ==
- msg.SerializeWithCachedSizesToArray(GRPC_SLICE_START_PTR(slice)));
- *bp = g_core_codegen_interface->grpc_raw_byte_buffer_create(&slice, 1);
- g_core_codegen_interface->grpc_slice_unref(slice);
- return g_core_codegen_interface->ok();
- } else {
- internal::GrpcBufferWriter writer(
- bp, internal::kGrpcBufferWriterMaxBufferLength);
- return msg.SerializeToZeroCopyStream(&writer)
- ? g_core_codegen_interface->ok()
- : Status(StatusCode::INTERNAL, "Failed to serialize message");
- }
+ return internal::GenericSerialize<internal::GrpcBufferWriter, T>(
+ msg, bp, own_buffer);
}
static Status Deserialize(grpc_byte_buffer* buffer,
grpc::protobuf::Message* msg) {
- if (buffer == nullptr) {
- return Status(StatusCode::INTERNAL, "No payload");
- }
- Status result = g_core_codegen_interface->ok();
- {
- internal::GrpcBufferReader reader(buffer);
- if (!reader.status().ok()) {
- return reader.status();
- }
- ::grpc::protobuf::io::CodedInputStream decoder(&reader);
- decoder.SetTotalBytesLimit(INT_MAX, INT_MAX);
- if (!msg->ParseFromCodedStream(&decoder)) {
- result = Status(StatusCode::INTERNAL, msg->InitializationErrorString());
- }
- if (!decoder.ConsumedEntireMessage()) {
- result = Status(StatusCode::INTERNAL, "Did not read entire message");
- }
- }
- g_core_codegen_interface->grpc_byte_buffer_destroy(buffer);
- return result;
+ return internal::GenericDeserialize<internal::GrpcBufferReader, T>(buffer,
+ msg);
}
};
+#endif
} // namespace grpc
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 20:48:07 +0000