summaryrefslogtreecommitdiff
path: root/src/socketengine.cpp
blob: e9554bee312bbe9db32f0d7e64890cc29948a4cb (plain)
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
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *	    the file COPYING for details.
 *
 * ---------------------------------------------------
 */

/* $Core */

/*********        DEFAULTS       **********/

/* $ExtraSources: socketengines/socketengine_select.cpp */
/* $ExtraObjects: socketengine_select.o */

/* $If: USE_POLL */
/* $ExtraSources: socketengines/socketengine_poll.cpp */
/* $ExtraObjects: socketengine_poll.o */
/* $EndIf */

/* $If: USE_KQUEUE */
/* $ExtraSources: socketengines/socketengine_kqueue.cpp */
/* $ExtraObjects: socketengine_kqueue.o */
/* $EndIf */

/* $If: USE_EPOLL */
/* $ExtraSources: socketengines/socketengine_epoll.cpp */
/* $ExtraObjects: socketengine_epoll.o */
/* $EndIf */

/* $If: USE_PORTS */
/* $ExtraSources: socketengines/socketengine_ports.cpp */
/* $ExtraObjects: socketengine_ports.o */
/* $EndIf */

#include "inspircd.h"
#include "socketengine.h"

EventHandler::EventHandler()
{
	this->IOHook = NULL;
}

bool EventHandler::AddIOHook(Module *IOHooker)
{
	if (this->IOHook)
		return false;

	this->IOHook = IOHooker;
	return true;
}

bool EventHandler::DelIOHook()
{
	if (!this->IOHook)
		return false;

	this->IOHook = NULL;
	return true;
}

Module *EventHandler::GetIOHook()
{
	return this->IOHook;
}

int EventHandler::GetFd()
{
	return this->fd;
}

void EventHandler::SetFd(int FD)
{
	this->fd = FD;
}

bool EventHandler::Readable()
{
	return true;
}

bool EventHandler::Writeable()
{
	return false;
}

void SocketEngine::WantWrite(EventHandler* eh)
{
}

SocketEngine::SocketEngine(InspIRCd* Instance) : ServerInstance(Instance)
{
	TotalEvents = WriteEvents = ReadEvents = ErrorEvents = 0;
	lastempty = ServerInstance->Time();
	indata = outdata = 0;
}

SocketEngine::~SocketEngine()
{
}

bool SocketEngine::AddFd(EventHandler* eh)
{
	return true;
}

bool SocketEngine::HasFd(int fd)
{
	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
		return false;
	return ref[fd];
}

EventHandler* SocketEngine::GetRef(int fd)
{
	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
		return 0;
	return ref[fd];
}

bool SocketEngine::DelFd(EventHandler* eh, bool force)
{
	return true;
}

int SocketEngine::GetMaxFds()
{
	return 0;
}

int SocketEngine::GetRemainingFds()
{
	return 0;
}

int SocketEngine::DispatchEvents()
{
	return 0;
}

std::string SocketEngine::GetName()
{
	return "misconfigured";
}

bool SocketEngine::BoundsCheckFd(EventHandler* eh)
{
	if (!eh)
		return false;
	if ((eh->GetFd() < 0) || (eh->GetFd() > MAX_DESCRIPTORS))
		return false;
	return true;
}


int SocketEngine::Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen)
{
	return accept(fd->GetFd(), addr, addrlen);
}

int SocketEngine::Close(EventHandler* fd)
{
#ifdef WINDOWS
	return closesocket(fd->GetFd());
#else
	return close(fd->GetFd());
#endif
}

int SocketEngine::Close(int fd)
{
#ifdef WINDOWS
	return closesocket(fd);
#else
	return close(fd);
#endif
}

int SocketEngine::Blocking(int fd)
{
#ifdef WINDOWS
	unsigned long opt = 0;
	return ioctlsocket(fd, FIONBIO, &opt);
#else
	int flags = fcntl(fd, F_GETFL, 0);
	return fcntl(fd, F_SETFL, flags ^ O_NONBLOCK);
#endif
}

int SocketEngine::NonBlocking(int fd)
{
#ifdef WINDOWS
	unsigned long opt = 1;
	return ioctlsocket(fd, FIONBIO, &opt);
#else
	int flags = fcntl(fd, F_GETFL, 0);
	return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
#endif
}

int SocketEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* namelen)
{
	return getsockname(fd->GetFd(), name, namelen);
}

int SocketEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, sockaddr *from, socklen_t *fromlen)
{
	this->UpdateStats(len, 0);
	return recvfrom(fd->GetFd(), (char*)buf, len, flags, from, fromlen);
}

int SocketEngine::Send(EventHandler* fd, const void *buf, size_t len, int flags)
{
	this->UpdateStats(0, len);
	return send(fd->GetFd(), (const char*)buf, len, flags);
}

int SocketEngine::Recv(EventHandler* fd, void *buf, size_t len, int flags)
{
	this->UpdateStats(len, 0);
	return recv(fd->GetFd(), (char*)buf, len, flags);
}

int SocketEngine::SendTo(EventHandler* fd, const void *buf, size_t len, int flags, const sockaddr *to, socklen_t tolen)
{
	this->UpdateStats(0, len);
	return sendto(fd->GetFd(), (const char*)buf, len, flags, to, tolen);
}

int SocketEngine::Connect(EventHandler* fd, const sockaddr *serv_addr, socklen_t addrlen)
{
	return connect(fd->GetFd(), serv_addr, addrlen);
}

int SocketEngine::Shutdown(EventHandler* fd, int how)
{
	return shutdown(fd->GetFd(), how);
}

int SocketEngine::Bind(int fd, const sockaddr *my_addr, socklen_t addrlen)
{
	return bind(fd, my_addr, addrlen);
}

int SocketEngine::Listen(int sockfd, int backlog)
{
	return listen(sockfd, backlog);
}

int SocketEngine::Shutdown(int fd, int how)
{
	return shutdown(fd, how);
}

void SocketEngine::RecoverFromFork()
{
}

void SocketEngine::UpdateStats(size_t len_in, size_t len_out)
{
	if (lastempty != ServerInstance->Time())
	{
		lastempty = ServerInstance->Time();
		indata = outdata = 0;
	}
	indata += len_in;
	outdata += len_out;
}

void SocketEngine::GetStats(float &kbitpersec_in, float &kbitpersec_out, float &kbitpersec_total)
{
	UpdateStats(0, 0); /* Forces emptying of the values if its been more than a second */
	float in_kbit = indata * 8;
	float out_kbit = outdata * 8;
	kbitpersec_total = ((in_kbit + out_kbit) / 1024);
	kbitpersec_in = in_kbit / 1024;
	kbitpersec_out = out_kbit / 1024;
}