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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/*
*
* Copyright 2016 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.
*
*/
#include <stdlib.h>
#include <unistd.h>
#include <cstdlib>
#include <iostream>
#include <memory>
#include <util/generic/string.h>
#include <thread>
#include "grpc/grpc.h"
#include "grpc/support/alloc.h"
#include "grpc/support/port_platform.h"
#include "grpcpp/channel.h"
#include "grpcpp/client_context.h"
#include "grpcpp/create_channel.h"
#include "grpcpp/ext/channelz_service_plugin.h"
#include "grpcpp/grpcpp.h"
#include "grpcpp/security/credentials.h"
#include "grpcpp/security/server_credentials.h"
#include "grpcpp/server.h"
#include "grpcpp/server_builder.h"
#include "grpcpp/server_context.h"
#include "gtest/gtest.h"
#include "src/core/lib/gpr/env.h"
#include "src/cpp/server/channelz/channelz_service.h"
#include "src/proto/grpc/testing/test.grpc.pb.h"
#include "test/core/util/test_config.h"
#include "test/cpp/util/subprocess.h"
#include "test/cpp/util/test_credentials_provider.h"
static TString g_root;
namespace {
using grpc::ClientContext;
using grpc::Server;
using grpc::ServerBuilder;
using grpc::ServerContext;
using grpc::Status;
} // namespace
// Test variables
TString server_address("0.0.0.0:10000");
TString custom_credentials_type("INSECURE_CREDENTIALS");
TString sampling_times = "2";
TString sampling_interval_seconds = "3";
TString output_json("output.json");
// Creata an echo server
class EchoServerImpl final : public grpc::testing::TestService::Service {
Status EmptyCall(::grpc::ServerContext* context,
const grpc::testing::Empty* request,
grpc::testing::Empty* response) {
return Status::OK;
}
};
// Run client in a thread
void RunClient(const TString& client_id, gpr_event* done_ev) {
grpc::ChannelArguments channel_args;
std::shared_ptr<grpc::ChannelCredentials> channel_creds =
grpc::testing::GetCredentialsProvider()->GetChannelCredentials(
custom_credentials_type, &channel_args);
std::unique_ptr<grpc::testing::TestService::Stub> stub =
grpc::testing::TestService::NewStub(
grpc::CreateChannel(server_address, channel_creds));
gpr_log(GPR_INFO, "Client %s is echoing!", client_id.c_str());
while (true) {
if (gpr_event_wait(done_ev, grpc_timeout_seconds_to_deadline(1)) !=
nullptr) {
return;
}
grpc::testing::Empty request;
grpc::testing::Empty response;
ClientContext context;
Status status = stub->EmptyCall(&context, request, &response);
if (!status.ok()) {
gpr_log(GPR_ERROR, "Client echo failed.");
GPR_ASSERT(0);
}
}
}
// Create the channelz to test the connection to the server
bool WaitForConnection(int wait_server_seconds) {
grpc::ChannelArguments channel_args;
std::shared_ptr<grpc::ChannelCredentials> channel_creds =
grpc::testing::GetCredentialsProvider()->GetChannelCredentials(
custom_credentials_type, &channel_args);
auto channel = grpc::CreateChannel(server_address, channel_creds);
return channel->WaitForConnected(
grpc_timeout_seconds_to_deadline(wait_server_seconds));
}
// Test the channelz sampler
TEST(ChannelzSamplerTest, SimpleTest) {
// start server
::grpc::channelz::experimental::InitChannelzService();
EchoServerImpl service;
grpc::ServerBuilder builder;
auto server_creds =
grpc::testing::GetCredentialsProvider()->GetServerCredentials(
custom_credentials_type);
builder.AddListeningPort(server_address, server_creds);
builder.RegisterService(&service);
std::unique_ptr<Server> server(builder.BuildAndStart());
gpr_log(GPR_INFO, "Server listening on %s", server_address.c_str());
const int kWaitForServerSeconds = 10;
ASSERT_TRUE(WaitForConnection(kWaitForServerSeconds));
// client threads
gpr_event done_ev1, done_ev2;
gpr_event_init(&done_ev1);
gpr_event_init(&done_ev2);
std::thread client_thread_1(RunClient, "1", &done_ev1);
std::thread client_thread_2(RunClient, "2", &done_ev2);
// Run the channelz sampler
grpc::SubProcess* test_driver = new grpc::SubProcess(
{g_root + "/channelz_sampler", "--server_address=" + server_address,
"--custom_credentials_type=" + custom_credentials_type,
"--sampling_times=" + sampling_times,
"--sampling_interval_seconds=" + sampling_interval_seconds,
"--output_json=" + output_json});
int status = test_driver->Join();
if (WIFEXITED(status)) {
if (WEXITSTATUS(status)) {
gpr_log(GPR_ERROR,
"Channelz sampler test test-runner exited with code %d",
WEXITSTATUS(status));
GPR_ASSERT(0); // log the line number of the assertion failure
}
} else if (WIFSIGNALED(status)) {
gpr_log(GPR_ERROR, "Channelz sampler test test-runner ended from signal %d",
WTERMSIG(status));
GPR_ASSERT(0);
} else {
gpr_log(GPR_ERROR,
"Channelz sampler test test-runner ended with unknown status %d",
status);
GPR_ASSERT(0);
}
delete test_driver;
gpr_event_set(&done_ev1, (void*)1);
gpr_event_set(&done_ev2, (void*)1);
client_thread_1.join();
client_thread_2.join();
}
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(argc, argv);
::testing::InitGoogleTest(&argc, argv);
TString me = argv[0];
auto lslash = me.rfind('/');
if (lslash != TString::npos) {
g_root = me.substr(0, lslash);
} else {
g_root = ".";
}
int ret = RUN_ALL_TESTS();
return ret;
}
|
