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
|
/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 <qpid/client/Connection.h>
#include <qpid/client/SubscriptionManager.h>
#include <qpid/client/AsyncSession.h>
#include <qpid/client/Message.h>
#include <qpid/client/MessageListener.h>
#include <qpid/sys/Time.h>
#include <qpid/Options.h>
#include <iostream>
using namespace qpid::client;
using namespace qpid::framing;
using namespace qpid::sys;
using namespace std;
namespace qpid {
namespace tests {
struct Args : public qpid::Options,
public qpid::client::ConnectionSettings
{
bool help;
uint count;
uint size;
bool summary;
Args() : qpid::Options("Simple latency test optins"), help(false), count(20), size(0), summary()
{
using namespace qpid;
addOptions()
("help", optValue(help), "Print this usage statement")
("count", optValue(count, "N"), "Number of messages to send")
("size", optValue(count, "N"), "Size of messages")
("broker,b", optValue(host, "HOST"), "Broker host to connect to")
("port,p", optValue(port, "PORT"), "Broker port to connect to")
("username", optValue(username, "USER"), "user name for broker log in.")
("password", optValue(password, "PASSWORD"), "password for broker log in.")
("mechanism", optValue(mechanism, "MECH"), "SASL mechanism to use when authenticating.")
("tcp-nodelay", optValue(tcpNoDelay), "Turn on tcp-nodelay")
("s,summary", optValue(summary), "Print only average latency.");
}
};
uint64_t current_time()
{
Duration t(EPOCH, now());
return t;
}
class Listener : public MessageListener
{
private:
Session session;
SubscriptionManager subscriptions;
uint counter;
const uint limit;
std::string queue;
Message request;
double total, min, max;
bool summary;
public:
Listener(Session& session, uint limit, bool summary);
void start(uint size);
void received(Message& message);
};
Listener::Listener(Session& s, uint l, bool summary_) :
session(s), subscriptions(s), counter(0), limit(l),
queue(session.getId().getName()), total(),
min(std::numeric_limits<double>::max()), max(), summary(summary_)
{}
void Listener::start(uint size)
{
session.queueDeclare(arg::queue=queue, arg::exclusive=true, arg::autoDelete=true);
request.getDeliveryProperties().setRoutingKey(queue);
subscriptions.subscribe(*this, queue, SubscriptionSettings(FlowControl::unlimited(), ACCEPT_MODE_NONE));
request.getDeliveryProperties().setTimestamp(current_time());
if (size) request.setData(std::string(size, 'X'));
async(session).messageTransfer(arg::content=request);
subscriptions.run();
}
void Listener::received(Message& response)
{
//extract timestamp and compute latency:
uint64_t sentAt = response.getDeliveryProperties().getTimestamp();
uint64_t receivedAt = current_time();
double latency = ((double) (receivedAt - sentAt)) / TIME_MSEC;
if (!summary) cout << "Latency: " << latency << "ms" << endl;
min = std::min(latency, min);
max = std::max(latency, max);
total += latency;
if (++counter < limit) {
request.getDeliveryProperties().setTimestamp(current_time());
async(session).messageTransfer(arg::content=request);
} else {
subscriptions.cancel(queue);
if (summary) cout << min << "\t" << max << "\t" << total/limit << endl;
else cout << "min: " << min << " max: " << max << " average: " << total/limit << endl;
}
}
}} // namespace qpid::tests
using namespace qpid::tests;
int main(int argc, char** argv)
{
Args opts;
opts.parse(argc, argv);
if (opts.help) {
std::cout << opts << std::endl;
return 0;
}
Connection connection;
try {
connection.open(opts);
Session session = connection.newSession();
Listener listener(session, opts.count, opts.summary);
listener.start(opts.size);
connection.close();
return 0;
} catch(const std::exception& error) {
std::cout << error.what() << std::endl;
}
return 1;
}
|
