-
Notifications
You must be signed in to change notification settings - Fork 2
/
server_ver2.cpp
141 lines (123 loc) · 4.52 KB
/
server_ver2.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 <event2/listener.h>
#include <event2/bufferevent.h>
#include <event2/buffer.h>
#include <arpa/inet.h>
#include <string.h>
#include <errno.h>
#include <iostream>
#include <stdlib.h>
#include "comm_tool.h"
using namespace std;
class cTcpConn
{
public:
cTcpConn(string& sIp, uint16_t iPort):m_sIp(sIp), m_iPort(iPort)
{
memset(&m_sin, 0, sizeof(m_sin));
m_sin.sin_family = AF_INET;
m_sin.sin_addr.s_addr = inet_addr(sIp.c_str());
m_sin.sin_port =htons(iPort);
}
~cTcpConn()
{}
bool Init()
{
m_ptrBase = event_base_new();
if (!m_ptrBase)
{
cout << "event_base_new failed\n";
return 0;
}
m_ptrListener = evconnlistener_new_bind(m_ptrBase, (void(*)(struct evconnlistener* listener, evutil_socket_t fd, struct sockaddr *address, int socklen, void* ctx))&cTcpConn::AcceptCB, NULL, LEV_OPT_CLOSE_ON_FREE|LEV_OPT_REUSEABLE, -1, (struct sockaddr*)&m_sin, sizeof(m_sin));
if (!m_ptrListener)
{
cout <<"evconnlistener_new_bind failed.\n";
return 0;
}
}
bool RunDispatch()
{
evconnlistener_set_error_cb(m_ptrListener, AcceptErrCB);
event_base_dispatch(m_ptrBase);
}
private:
static void echo_read_cb(struct bufferevent *bev, void *ctx)
{
std::cout <<"echo_read_cb\n";
char buf[1000];
struct evbuffer *input = bufferevent_get_input(bev);
int n = bufferevent_read(bev, buf, sizeof(buf));
if (n <= 0)
{
std::cout <<"bufferevent_read error :" << n << std::endl;
return;
}
else
{
buf[n] = '\0';
std::cout <<"bufferevent_read msg: " << buf << std::endl;
}
struct evbuffer *output = bufferevent_get_output(bev);
}
static void echo_event_cb(struct bufferevent *bev, short events, void *ctx)
{
std::cout <<"echo_event_cb\n";
if (events & BEV_EVENT_ERROR)
{
cout <<"Error from bufferevent" << endl;
}
else if (events & (BEV_EVENT_EOF | BEV_EVENT_ERROR))
{
cout <<"event accept close event\n";
bufferevent_free(bev);
}
}
static void AcceptCB(struct evconnlistener* listener, evutil_socket_t fd, struct sockaddr *address, int socklen, void* ctx)
{
std::cout <<"AcceptCB\n";
struct event_base *base = evconnlistener_get_base(listener);
struct bufferevent *bev = bufferevent_socket_new(base, fd, BEV_OPT_CLOSE_ON_FREE);
bufferevent_setcb(bev, echo_read_cb, NULL, echo_event_cb, NULL);
bufferevent_enable(bev, EV_READ|EV_WRITE);
}
static void AcceptErrCB(struct evconnlistener *listener, void* ctx)
{
std::cout <<"AcceptErrCB\n";
struct event_base *base = evconnlistener_get_base(listener);
int err = EVUTIL_SOCKET_ERROR();
cout <<"Got an error:" << err << "on the listener. errmsg:" << evutil_socket_error_to_string(err) << endl;
event_base_loopexit(base, NULL);
}
private:
struct sockaddr_in m_sin;
string m_sIp;
uint16_t m_iPort;
struct event_base* m_ptrBase;
struct evconnlistener* m_ptrListener;
};
int main(int argc, char** argv)
{
if (argc != 2)
{
std::cout <<"need too argv\n";
return 0;
}
CFileLog msgLog;
CConfig oCfg;
if (!oCfg.LoadConfig(argv[1]))
{
std::cout <<"load config failed," << argv[1] << std::endl;
return 0;
}
CValue iport = oCfg.GetValue("tcp", "port", 20000);
CValue sLogPath = oCfg.GetValue("comm", "log", "./");
msgLog.Init((std::string)sLogPath+"/"+argv[0]+"_msg", 1024*1024*100, 5, false);
msgLog.Write("in server_ver2");
msgLog.Write("port: %d" ,(uint16_t)iport) ;
msgLog.Write("sLogPath :%s", ((std::string)sLogPath).c_str());
std::string sIp = "127.0.0.1";
cTcpConn conn(sIp, iport);
conn.Init();
conn.RunDispatch();
return 0;
}