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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
*
* 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.
*
*/
#include <grpc++/client_context.h>
#include <grpc/grpc.h>
#include <grpc++/credentials.h>
#include <grpc++/time.h>
#include "src/cpp/common/create_auth_context.h"
namespace grpc {
ClientContext::ClientContext()
: initial_metadata_received_(false),
call_(nullptr),
cq_(nullptr),
deadline_(gpr_inf_future) {}
ClientContext::~ClientContext() {
if (call_) {
grpc_call_destroy(call_);
}
if (cq_) {
// Drain cq_.
grpc_completion_queue_shutdown(cq_);
while (grpc_completion_queue_next(cq_, gpr_inf_future).type !=
GRPC_QUEUE_SHUTDOWN)
;
grpc_completion_queue_destroy(cq_);
}
}
void ClientContext::AddMetadata(const grpc::string& meta_key,
const grpc::string& meta_value) {
send_initial_metadata_.insert(std::make_pair(meta_key, meta_value));
}
void ClientContext::set_call(grpc_call* call,
const std::shared_ptr<ChannelInterface>& channel) {
GPR_ASSERT(call_ == nullptr);
call_ = call;
channel_ = channel;
if (creds_ && !creds_->ApplyToCall(call_)) {
grpc_call_cancel_with_status(call, GRPC_STATUS_CANCELLED,
"Failed to set credentials to rpc.");
}
}
std::shared_ptr<const AuthContext> ClientContext::auth_context() const {
if (auth_context_.get() == nullptr) {
auth_context_ = CreateAuthContext(call_);
}
return auth_context_;
}
void ClientContext::TryCancel() {
if (call_) {
grpc_call_cancel(call_);
}
}
} // namespace grpc
|
