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/*
*
* Copyright 2014, 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 __GRPC_INTERNAL_SURFACE_COMPLETION_QUEUE_H__
#define __GRPC_INTERNAL_SURFACE_COMPLETION_QUEUE_H__
/* Internal API for completion channels */
#include <grpc/grpc.h>
/* A finish func is executed whenever the event consumer calls
grpc_event_finish */
typedef void (*grpc_event_finish_func)(void *user_data, grpc_op_error error);
/* Flag that an operation is beginning: the completion channel will not finish
shutdown until a corrensponding grpc_cq_end_* call is made */
void grpc_cq_begin_op(grpc_completion_queue *cc, grpc_call *call,
grpc_completion_type type);
/* grpc_cq_end_* functions pair with a grpc_cq_begin_op
grpc_cq_end_* common arguments:
cc - the completion channel to queue on
tag - the user supplied operation tag
on_finish - grpc_event_finish_func that is called during grpc_event_finish
can be NULL to not get a callback
user_data - user_data parameter to be passed to on_finish
Other parameters match the data member of grpc_event */
/* Queue a GRPC_READ operation */
void grpc_cq_end_read(grpc_completion_queue *cc, void *tag, grpc_call *call,
grpc_event_finish_func on_finish, void *user_data,
grpc_byte_buffer *read);
/* Queue a GRPC_INVOKE_ACCEPTED operation */
void grpc_cq_end_invoke_accepted(grpc_completion_queue *cc, void *tag,
grpc_call *call,
grpc_event_finish_func on_finish,
void *user_data, grpc_op_error error);
/* Queue a GRPC_WRITE_ACCEPTED operation */
void grpc_cq_end_write_accepted(grpc_completion_queue *cc, void *tag,
grpc_call *call,
grpc_event_finish_func on_finish,
void *user_data, grpc_op_error error);
/* Queue a GRPC_FINISH_ACCEPTED operation */
void grpc_cq_end_finish_accepted(grpc_completion_queue *cc, void *tag,
grpc_call *call,
grpc_event_finish_func on_finish,
void *user_data, grpc_op_error error);
/* Queue a GRPC_CLIENT_METADATA_READ operation */
void grpc_cq_end_client_metadata_read(grpc_completion_queue *cc, void *tag,
grpc_call *call,
grpc_event_finish_func on_finish,
void *user_data, size_t count,
grpc_metadata *elements);
void grpc_cq_end_finished(grpc_completion_queue *cc, void *tag, grpc_call *call,
grpc_event_finish_func on_finish, void *user_data,
grpc_status status);
void grpc_cq_end_new_rpc(grpc_completion_queue *cc, void *tag, grpc_call *call,
grpc_event_finish_func on_finish, void *user_data,
const char *method, const char *host,
gpr_timespec deadline, size_t metadata_count,
grpc_metadata *metadata_elements);
/* disable polling for some tests */
void grpc_completion_queue_dont_poll_test_only(grpc_completion_queue *cc);
void grpc_cq_dump_pending_ops(grpc_completion_queue *cc);
#endif /* __GRPC_INTERNAL_SURFACE_COMPLETION_QUEUE_H__ */
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