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/*
*
* Copyright 2015, 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_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
#define GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
#include <grpc++/impl/codegen/config.h>
#include <grpc++/impl/codegen/status.h>
#include <grpc/impl/codegen/byte_buffer_reader.h>
#include <grpc/impl/codegen/grpc_types.h>
#include <grpc/impl/codegen/sync.h>
extern "C" {
struct grpc_byte_buffer;
}
namespace grpc {
/// Interface between the codegen library and the minimal subset of core
/// features required by the generated code.
///
/// All undocumented methods are simply forwarding the call to their namesakes.
/// Please refer to their corresponding documentation for details.
///
/// \warning This interface should be considered internal and private.
class CoreCodegenInterface {
public:
/// Upon a failed assertion, log the error.
virtual void assert_fail(const char* failed_assertion, const char* file,
int line) = 0;
virtual grpc_completion_queue* grpc_completion_queue_create(
void* reserved) = 0;
virtual void grpc_completion_queue_destroy(grpc_completion_queue* cq) = 0;
virtual grpc_event grpc_completion_queue_pluck(grpc_completion_queue* cq,
void* tag,
gpr_timespec deadline,
void* reserved) = 0;
virtual void* gpr_malloc(size_t size) = 0;
virtual void gpr_free(void* p) = 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;
virtual void gpr_mu_unlock(gpr_mu* mu) = 0;
virtual void gpr_cv_init(gpr_cv* cv) = 0;
virtual void gpr_cv_destroy(gpr_cv* cv) = 0;
virtual int gpr_cv_wait(gpr_cv* cv, gpr_mu* mu,
gpr_timespec abs_deadline) = 0;
virtual void gpr_cv_signal(gpr_cv* cv) = 0;
virtual void gpr_cv_broadcast(gpr_cv* cv) = 0;
virtual void grpc_byte_buffer_destroy(grpc_byte_buffer* bb) = 0;
virtual int grpc_byte_buffer_reader_init(grpc_byte_buffer_reader* reader,
grpc_byte_buffer* buffer)
GRPC_MUST_USE_RESULT = 0;
virtual void grpc_byte_buffer_reader_destroy(
grpc_byte_buffer_reader* reader) = 0;
virtual int grpc_byte_buffer_reader_next(grpc_byte_buffer_reader* reader,
grpc_slice* slice) = 0;
virtual grpc_byte_buffer* grpc_raw_byte_buffer_create(grpc_slice* slice,
size_t nslices) = 0;
virtual grpc_slice grpc_slice_malloc(size_t length) = 0;
virtual void grpc_slice_unref(grpc_slice slice) = 0;
virtual grpc_slice grpc_slice_split_tail(grpc_slice* s, size_t split) = 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;
virtual grpc_slice grpc_slice_from_static_buffer(const void* buffer,
size_t length) = 0;
virtual grpc_slice grpc_slice_from_copied_buffer(const void* buffer,
size_t length) = 0;
virtual void grpc_metadata_array_init(grpc_metadata_array* array) = 0;
virtual void grpc_metadata_array_destroy(grpc_metadata_array* array) = 0;
virtual const Status& ok() = 0;
virtual const Status& cancelled() = 0;
virtual gpr_timespec gpr_inf_future(gpr_clock_type type) = 0;
virtual gpr_timespec gpr_time_0(gpr_clock_type type) = 0;
};
extern CoreCodegenInterface* g_core_codegen_interface;
/// Codegen specific version of \a GPR_ASSERT.
#define GPR_CODEGEN_ASSERT(x) \
do { \
if (!(x)) { \
grpc::g_core_codegen_interface->assert_fail(#x, __FILE__, __LINE__); \
} \
} while (0)
} // namespace grpc
#endif // GRPCXX_IMPL_CODEGEN_CORE_CODEGEN_INTERFACE_H
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