1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H
#include <grpc/support/port_platform.h>
#include "src/core/ext/filters/client_channel/client_channel_channelz.h"
#include "src/core/ext/filters/client_channel/client_channel_factory.h"
#include "src/core/ext/filters/client_channel/resolver.h"
#include "src/core/lib/channel/channel_stack.h"
extern grpc_core::TraceFlag grpc_client_channel_trace;
// Channel arg key for server URI string.
#define GRPC_ARG_SERVER_URI "grpc.server_uri"
/* A client channel is a channel that begins disconnected, and can connect
to some endpoint on demand. If that endpoint disconnects, it will be
connected to again later.
Calls on a disconnected client channel are queued until a connection is
established. */
extern const grpc_channel_filter grpc_client_channel_filter;
void grpc_client_channel_set_channelz_node(
grpc_channel_element* elem, grpc_core::channelz::ClientChannelNode* node);
void grpc_client_channel_populate_child_refs(
grpc_channel_element* elem,
grpc_core::channelz::ChildRefsList* child_subchannels,
grpc_core::channelz::ChildRefsList* child_channels);
grpc_connectivity_state grpc_client_channel_check_connectivity_state(
grpc_channel_element* elem, int try_to_connect);
int grpc_client_channel_num_external_connectivity_watchers(
grpc_channel_element* elem);
void grpc_client_channel_watch_connectivity_state(
grpc_channel_element* elem, grpc_polling_entity pollent,
grpc_connectivity_state* state, grpc_closure* on_complete,
grpc_closure* watcher_timer_init);
/* Debug helper: pull the subchannel call from a call stack element */
grpc_subchannel_call* grpc_client_channel_get_subchannel_call(
grpc_call_element* elem);
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_H */
|
