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_SRC_CORE_LIB_IOMGR_TCP_CLIENT_H
#define GRPC_SRC_CORE_LIB_IOMGR_TCP_CLIENT_H
#include <grpc/support/port_platform.h>
#include <grpc/event_engine/endpoint_config.h>
#include <grpc/impl/grpc_types.h>
#include <grpc/support/time.h>
#include "src/core/lib/iomgr/endpoint.h"
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/iomgr/resolve_address.h"
#include "src/core/lib/resource_quota/memory_quota.h"
typedef struct grpc_tcp_client_vtable {
int64_t (*connect)(
grpc_closure* on_connect, grpc_endpoint** endpoint,
grpc_pollset_set* interested_parties,
const grpc_event_engine::experimental::EndpointConfig& config,
const grpc_resolved_address* addr, grpc_core::Timestamp deadline);
bool (*cancel_connect)(int64_t connection_handle);
} grpc_tcp_client_vtable;
// Asynchronously connect to an address (specified as (addr, len)), and call
// cb with arg and the completed connection when done (or call cb with arg and
// NULL on failure).
// interested_parties points to a set of pollsets that would be interested
// in this connection being established (in order to continue their work). It
// returns a handle to the connect operation which can be used to cancel the
// connection attempt.
int64_t grpc_tcp_client_connect(
grpc_closure* on_connect, grpc_endpoint** endpoint,
grpc_pollset_set* interested_parties,
const grpc_event_engine::experimental::EndpointConfig& config,
const grpc_resolved_address* addr, grpc_core::Timestamp deadline);
// Returns true if a connect attempt corresponding to the provided handle
// is successfully cancelled. Otherwise it returns false. If the connect
// attempt is successfully cancelled, then the on_connect closure passed to
// grpc_tcp_client_connect will not be executed. Its upto the caller to free
// up any resources that may have been allocated to create the closure.
bool grpc_tcp_client_cancel_connect(int64_t connection_handle);
extern void grpc_tcp_client_global_init();
void grpc_set_tcp_client_impl(grpc_tcp_client_vtable* impl);
#endif // GRPC_SRC_CORE_LIB_IOMGR_TCP_CLIENT_H
|
