-
Notifications
You must be signed in to change notification settings - Fork 0
/
Source.cpp
140 lines (120 loc) · 3.74 KB
/
Source.cpp
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
#include <winsock2.h>
#include <windows.h>
#include <stdexcept>
#include <iostream>
#include <memory>
#include <chrono>
#include <thread>
#include <cstdint>
#include <vector>
#include <evhttp.h>
#include<event2\thread.h>
#pragma comment(lib,"WS2_32")
class helloWorld
{
public:
int increment;
helloWorld()
{
this->increment = 0;
}
void setIncrement()
{
this->increment += 1;
}
};
helloWorld lv_obj;
int main()
{
char const SrvAddress[] = "127.0.0.1";
std::uint16_t const SrvPort = 5555;
int const SrvThreadCount = 2;
#ifdef _WIN32
WORD wVersionRequested;
WSADATA wsaData;
wVersionRequested = MAKEWORD(2, 2);
WSAStartup(wVersionRequested, &wsaData);
#endif
evthread_use_windows_threads();
try
{
void(*OnRequest)(evhttp_request *, void *) = [](evhttp_request *req, void *)
{
auto *OutBuf = evhttp_request_get_output_buffer(req);
if (!OutBuf)
return;
//std::cout << "Thread Id: " << GetCurrentThreadId() << std::endl;
std::this_thread::sleep_for(std::chrono::milliseconds(2000));
lv_obj.setIncrement();
evbuffer_add_printf(OutBuf, "<html><body><center><h1>Hello World %d!</h1></center></body></html>", lv_obj.increment);
//std::cout << "Request "<<req<< std::endl;
evhttp_send_reply(req, HTTP_OK, "", OutBuf);
//std::cout << "Class Object" << lv_obj.increment<< std::endl;
std::cout << "Response sent: " << lv_obj.increment << std::endl;
std::cout << "Response send by Thread Id: " << GetCurrentThreadId() << std::endl;
};
std::exception_ptr InitExcept;
bool volatile IsRun = true;
evutil_socket_t Socket = -1;
auto ThreadFunc = [&]()
{
std::cout<<"Thread id in ThreadFunc"<< std::this_thread::get_id()<<std::endl;
try
{
std::unique_ptr<event_base, decltype(&event_base_free)> EventBase(event_base_new(), &event_base_free);
if (!EventBase)
throw std::runtime_error("Failed to create new base_event.");
std::unique_ptr<evhttp, decltype(&evhttp_free)> EvHttp(evhttp_new(EventBase.get()), &evhttp_free);
if (!EvHttp)
throw std::runtime_error("Failed to create new evhttp.");
evhttp_set_gencb(EvHttp.get(), OnRequest, nullptr);
if (Socket == -1)
{
auto *BoundSock = evhttp_bind_socket_with_handle(EvHttp.get(), SrvAddress, SrvPort);
if (!BoundSock)
throw std::runtime_error("Failed to bind server socket.");
if ((Socket = evhttp_bound_socket_get_fd(BoundSock)) == -1)
throw std::runtime_error("Failed to get server socket for next instance.");
}
else
{
if (evhttp_accept_socket(EvHttp.get(), Socket) == -1)
throw std::runtime_error("Failed to bind server socket for new instance.");
}
for (; IsRun; )
{
event_base_dispatch(EventBase.get());
//event_base_loop(EventBase.get(),0);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
}
catch (...)
{
InitExcept = std::current_exception();
}
};
auto ThreadDeleter = [&](std::thread *t) { IsRun = false; t->join(); delete t; };
typedef std::unique_ptr<std::thread, decltype(ThreadDeleter)> ThreadPtr;
typedef std::vector<ThreadPtr> ThreadPool;
ThreadPool Threads;
for (int i = 0; i < SrvThreadCount; ++i)
{
ThreadPtr Thread(new std::thread(ThreadFunc), ThreadDeleter);
std::this_thread::sleep_for(std::chrono::milliseconds(500));
if (InitExcept != std::exception_ptr())
{
IsRun = false;
std::rethrow_exception(InitExcept);
}
Threads.push_back(std::move(Thread));
}
std::cout << "Press Enter for quit." << std::endl;
std::cin.get();
IsRun = false;
}
catch (std::exception const &e)
{
std::cerr << "Error: " << e.what() << std::endl;
}
return 0;
}