| /* |
| * |
| * 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 GRPC_INTERNAL_CORE_SURFACE_CALL_H |
| #define GRPC_INTERNAL_CORE_SURFACE_CALL_H |
| |
| #include "src/core/channel/channel_stack.h" |
| #include "src/core/channel/context.h" |
| #include <grpc/grpc.h> |
| |
| /* Primitive operation types - grpc_op's get rewritten into these */ |
| typedef enum { |
| GRPC_IOREQ_RECV_INITIAL_METADATA, |
| GRPC_IOREQ_RECV_MESSAGE, |
| GRPC_IOREQ_RECV_TRAILING_METADATA, |
| GRPC_IOREQ_RECV_STATUS, |
| GRPC_IOREQ_RECV_STATUS_DETAILS, |
| GRPC_IOREQ_RECV_CLOSE, |
| GRPC_IOREQ_SEND_INITIAL_METADATA, |
| GRPC_IOREQ_SEND_MESSAGE, |
| GRPC_IOREQ_SEND_TRAILING_METADATA, |
| GRPC_IOREQ_SEND_STATUS, |
| GRPC_IOREQ_SEND_CLOSE, |
| GRPC_IOREQ_OP_COUNT |
| } grpc_ioreq_op; |
| |
| typedef union { |
| grpc_metadata_array *recv_metadata; |
| grpc_byte_buffer **recv_message; |
| struct { |
| void (*set_value)(grpc_status_code status, void *user_data); |
| void *user_data; |
| } recv_status; |
| struct { |
| char **details; |
| size_t *details_capacity; |
| } recv_status_details; |
| struct { |
| size_t count; |
| grpc_metadata *metadata; |
| } send_metadata; |
| grpc_byte_buffer *send_message; |
| struct { |
| grpc_status_code code; |
| const char *details; |
| } send_status; |
| } grpc_ioreq_data; |
| |
| typedef struct { |
| grpc_ioreq_op op; |
| grpc_ioreq_data data; |
| } grpc_ioreq; |
| |
| typedef void (*grpc_ioreq_completion_func)(grpc_call *call, |
| grpc_op_error status, |
| void *user_data); |
| |
| grpc_call *grpc_call_create(grpc_channel *channel, grpc_completion_queue *cq, |
| const void *server_transport_data, |
| grpc_mdelem **add_initial_metadata, |
| size_t add_initial_metadata_count, |
| gpr_timespec send_deadline); |
| |
| void grpc_call_set_completion_queue(grpc_call *call, grpc_completion_queue *cq); |
| grpc_completion_queue *grpc_call_get_completion_queue(grpc_call *call); |
| |
| #ifdef GRPC_CALL_REF_COUNT_DEBUG |
| void grpc_call_internal_ref(grpc_call *call, const char *reason); |
| void grpc_call_internal_unref(grpc_call *call, const char *reason, int allow_immediate_deletion); |
| #define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call, reason) |
| #define GRPC_CALL_INTERNAL_UNREF(call, reason, allow_immediate_deletion) grpc_call_internal_unref(call, reason, allow_immediate_deletion) |
| #else |
| void grpc_call_internal_ref(grpc_call *call); |
| void grpc_call_internal_unref(grpc_call *call, int allow_immediate_deletion); |
| #define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call) |
| #define GRPC_CALL_INTERNAL_UNREF(call, reason, allow_immediate_deletion) grpc_call_internal_unref(call, allow_immediate_deletion) |
| #endif |
| |
| grpc_call_error grpc_call_start_ioreq_and_call_back( |
| grpc_call *call, const grpc_ioreq *reqs, size_t nreqs, |
| grpc_ioreq_completion_func on_complete, void *user_data); |
| |
| grpc_call_stack *grpc_call_get_call_stack(grpc_call *call); |
| |
| /* Given the top call_element, get the call object. */ |
| grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element); |
| |
| extern int grpc_trace_batch; |
| |
| void grpc_call_log_batch(char *file, int line, gpr_log_severity severity, |
| grpc_call *call, const grpc_op *ops, size_t nops, |
| void *tag); |
| |
| /* Set a context pointer. |
| No thread safety guarantees are made wrt this value. */ |
| void grpc_call_context_set(grpc_call *call, grpc_context_index elem, void *value, |
| void (*destroy)(void *value)); |
| /* Get a context pointer. */ |
| void *grpc_call_context_get(grpc_call *call, grpc_context_index elem); |
| |
| #define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \ |
| if (grpc_trace_batch) grpc_call_log_batch(sev, call, ops, nops, tag) |
| |
| #endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_H */ |