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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
*
* 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.
*is % allowed in string
*/
#include <memory>
#include <string>
#include <gflags/gflags.h>
#include <grpc++/grpc++.h>
#include "src/proto/grpc/testing/metrics.grpc.pb.h"
#include "src/proto/grpc/testing/metrics.pb.h"
#include "test/cpp/util/metrics_server.h"
#include "test/cpp/util/test_config.h"
DEFINE_string(metrics_server_address, "",
"The metrics server addresses in the fomrat <hostname>:<port>");
DEFINE_bool(total_only, false,
"If true, this prints only the total value of all gauges");
int kDeadlineSecs = 10;
using grpc::testing::EmptyMessage;
using grpc::testing::GaugeResponse;
using grpc::testing::MetricsService;
using grpc::testing::MetricsServiceImpl;
// Prints the values of all Gauges (unless total_only is set to 'true' in which
// case this only prints the sum of all gauge values).
bool PrintMetrics(std::unique_ptr<MetricsService::Stub> stub, bool total_only) {
grpc::ClientContext context;
EmptyMessage message;
std::chrono::system_clock::time_point deadline =
std::chrono::system_clock::now() + std::chrono::seconds(kDeadlineSecs);
context.set_deadline(deadline);
std::unique_ptr<grpc::ClientReader<GaugeResponse>> reader(
stub->GetAllGauges(&context, message));
GaugeResponse gauge_response;
long overall_qps = 0;
while (reader->Read(&gauge_response)) {
if (gauge_response.value_case() == GaugeResponse::kLongValue) {
if (!total_only) {
gpr_log(GPR_INFO, "%s: %ld", gauge_response.name().c_str(),
gauge_response.long_value());
}
overall_qps += gauge_response.long_value();
} else {
gpr_log(GPR_INFO, "Gauge %s is not a long value",
gauge_response.name().c_str());
}
}
gpr_log(GPR_INFO, "%ld", overall_qps);
const grpc::Status status = reader->Finish();
if (!status.ok()) {
gpr_log(GPR_ERROR, "Error in getting metrics from the client");
}
return status.ok();
}
int main(int argc, char** argv) {
grpc::testing::InitTest(&argc, &argv, true);
// Make sure server_addresses flag is not empty
if (FLAGS_metrics_server_address.empty()) {
gpr_log(
GPR_ERROR,
"Cannot connect to the Metrics server. Please pass the address of the"
"metrics server to connect to via the 'metrics_server_address' flag");
return 1;
}
std::shared_ptr<grpc::Channel> channel(grpc::CreateChannel(
FLAGS_metrics_server_address, grpc::InsecureChannelCredentials()));
if (!PrintMetrics(MetricsService::NewStub(channel), FLAGS_total_only)) {
return 1;
}
return 0;
}
|
