| /* |
| * |
| * 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_CLIENT_CONFIG_CONNECTOR_H |
| #define GRPC_INTERNAL_CORE_CLIENT_CONFIG_CONNECTOR_H |
| |
| #include "src/core/channel/channel_stack.h" |
| #include "src/core/iomgr/sockaddr.h" |
| #include "src/core/transport/transport.h" |
| |
| typedef struct grpc_connector grpc_connector; |
| typedef struct grpc_connector_vtable grpc_connector_vtable; |
| |
| struct grpc_connector { |
| const grpc_connector_vtable *vtable; |
| }; |
| |
| typedef struct { |
| /** set of pollsets interested in this connection */ |
| grpc_pollset_set *interested_parties; |
| /** address to connect to */ |
| const struct sockaddr *addr; |
| size_t addr_len; |
| /** initial connect string to send */ |
| gpr_slice initial_connect_string; |
| /** deadline for connection */ |
| gpr_timespec deadline; |
| /** channel arguments (to be passed to transport) */ |
| const grpc_channel_args *channel_args; |
| } grpc_connect_in_args; |
| |
| typedef struct { |
| /** the connected transport */ |
| grpc_transport *transport; |
| /** any additional filters (owned by the caller of connect) */ |
| const grpc_channel_filter **filters; |
| size_t num_filters; |
| |
| /** channel arguments (to be passed to the filters) */ |
| const grpc_channel_args *channel_args; |
| } grpc_connect_out_args; |
| |
| struct grpc_connector_vtable { |
| void (*ref)(grpc_connector *connector); |
| void (*unref)(grpc_exec_ctx *exec_ctx, grpc_connector *connector); |
| /** Implementation of grpc_connector_shutdown */ |
| void (*shutdown)(grpc_exec_ctx *exec_ctx, grpc_connector *connector); |
| /** Implementation of grpc_connector_connect */ |
| void (*connect)(grpc_exec_ctx *exec_ctx, grpc_connector *connector, |
| const grpc_connect_in_args *in_args, |
| grpc_connect_out_args *out_args, grpc_closure *notify); |
| }; |
| |
| void grpc_connector_ref(grpc_connector *connector); |
| void grpc_connector_unref(grpc_exec_ctx *exec_ctx, grpc_connector *connector); |
| /** Connect using the connector: max one outstanding call at a time */ |
| void grpc_connector_connect(grpc_exec_ctx *exec_ctx, grpc_connector *connector, |
| const grpc_connect_in_args *in_args, |
| grpc_connect_out_args *out_args, |
| grpc_closure *notify); |
| /** Cancel any pending connection */ |
| void grpc_connector_shutdown(grpc_exec_ctx *exec_ctx, |
| grpc_connector *connector); |
| |
| #endif |