Catwalk is a high-performance and easy-to-use C++ http web framework
Inspired by Sinatra and Express.js, simple web framework are now in C++ with high-performance.
the simple hello world server likes
#include <iostream>
#include <memory>
using namespace std;
#include "CwApplication.h"
int main() {
uint16_t port = 8080;
auto app = make_unique<CwApplication>();
app
->use([](CwRequest* req, CwResponse* res, CwNextFunc next) {
cout << "route 1 before" << endl;
next();
cout << "route 1 after" << endl;
})
->use([](CwRequest* req, CwResponse* res, CwNextFunc next) {
cout << "route 2 before" << endl;
next();
cout << "route 2 after" << endl;
})
->set(CwHttpVerb::get, "/", [](CwRequest* req, CwResponse* res) {
static string html = "<html><head><title>Catwalk</title></head><body><h1>Hello, world!</h1></body></html>";
res
->setStatus(200)
->setHeader("Content-Type", "text/html")
->setBody(CwBody(html.begin(), html.end()))
->send();
cout << "response here" << endl;
});
cout << "port " << port << ", and " << app->threads() << " thread" << (app->threads() > 1 ? "s" : "") << endl;
app->start(port);
}and when you access http://localhost:8080/
hello world page will return and console output is
port 8080, and 8 threads
route 1 before
route 2 before
response here
route 2 after
route 1 after
Catwalk need boost and C++17, build following classic cmake project
md b
cmake . -B b -DCMAKE_BUILD_TYPE=Release
cmake --build b -j8
you might need change a little bit for you local boost install folder.
boost 1.75 is required for new JSON support.
Catwalk can be built using GCC (Linux/Windows(MinGW-w64)), you might need change a little of other compilers
My PC is pretty old, it is Mac-mini late 2012 I5, when I use Catwalk, the Apache Bench
ab -n 30000 -c 500 http://localhost:8080/
result is
This is ApacheBench, Version 2.3 <$Revision: 1843412 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient)
Completed 3000 requests
Completed 6000 requests
Completed 9000 requests
Completed 12000 requests
Completed 15000 requests
Completed 18000 requests
Completed 21000 requests
Completed 24000 requests
Completed 27000 requests
Completed 30000 requests
Finished 30000 requests
Server Software:
Server Hostname: localhost
Server Port: 8080
Document Path: /
Document Length: 83 bytes
Concurrency Level: 500
Time taken for tests: 1.876 seconds
Complete requests: 30000
Failed requests: 0
Total transferred: 4980000 bytes
HTML transferred: 2490000 bytes
Requests per second: 15993.07 [#/sec] (mean)
Time per request: 31.264 [ms] (mean)
Time per request: 0.063 [ms] (mean, across all concurrent requests)
Transfer rate: 2592.63 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 18 77.2 11 1026
Processing: 6 13 3.8 13 38
Waiting: 1 10 3.1 9 38
Total: 14 31 77.6 21 1045
Percentage of the requests served within a certain time (ms)
50% 21
66% 30
75% 31
80% 31
90% 31
95% 32
98% 35
99% 41
100% 1045 (longest request)
for nodejs express.js hello world example
ab -n 30000 -c 500 http://localhost:3000/
result is
This is ApacheBench, Version 2.3 <$Revision: 1843412 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking localhost (be patient)
Completed 3000 requests
Completed 6000 requests
Completed 9000 requests
Completed 12000 requests
Completed 15000 requests
Completed 18000 requests
Completed 21000 requests
Completed 24000 requests
Completed 27000 requests
Completed 30000 requests
Finished 30000 requests
Server Software:
Server Hostname: localhost
Server Port: 3000
Document Path: /
Document Length: 12 bytes
Concurrency Level: 500
Time taken for tests: 9.844 seconds
Complete requests: 30000
Failed requests: 0
Total transferred: 6330000 bytes
HTML transferred: 360000 bytes
Requests per second: 3047.42 [#/sec] (mean)
Time per request: 164.073 [ms] (mean)
Time per request: 0.328 [ms] (mean, across all concurrent requests)
Transfer rate: 627.94 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 104 304.4 2 1035
Processing: 32 54 35.8 48 487
Waiting: 8 32 33.8 26 461
Total: 34 157 322.2 50 1514
Percentage of the requests served within a certain time (ms)
50% 50
66% 57
75% 61
80% 63
90% 314
95% 1089
98% 1107
99% 1309
100% 1514 (longest request)