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|
.TH "InspSocket" 3 "12 Dec 2005" "Version 1.0Betareleases" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
InspSocket \-
.SH SYNOPSIS
.br
.PP
\fC#include <socket.h>\fP
.PP
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBInspSocket\fP ()"
.br
.ti -1c
.RI "\fBInspSocket\fP (int newfd, char *ip)"
.br
.ti -1c
.RI "\fBInspSocket\fP (\fBstd::string\fP \fBhost\fP, int \fBport\fP, bool listening, unsigned long maxtime)"
.br
.ti -1c
.RI "virtual bool \fBOnConnected\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnError\fP (\fBInspSocketError\fP e)"
.br
.ti -1c
.RI "virtual int \fBOnDisconnect\fP ()"
.br
.ti -1c
.RI "virtual bool \fBOnDataReady\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnTimeout\fP ()"
.br
.ti -1c
.RI "virtual void \fBOnClose\fP ()"
.br
.ti -1c
.RI "virtual char * \fBRead\fP ()"
.br
.ti -1c
.RI "\fBstd::string\fP \fBGetIP\fP ()"
.br
.ti -1c
.RI "virtual int \fBWrite\fP (\fBstd::string\fP data)"
.br
.ti -1c
.RI "virtual int \fBOnIncomingConnection\fP (int newfd, char *ip)"
.br
.ti -1c
.RI "void \fBSetState\fP (\fBInspSocketState\fP s)"
.br
.ti -1c
.RI "\fBInspSocketState\fP \fBGetState\fP ()"
.br
.ti -1c
.RI "bool \fBPoll\fP ()"
.br
.ti -1c
.RI "int \fBGetFd\fP ()"
.br
.ti -1c
.RI "virtual void \fBClose\fP ()"
.br
.ti -1c
.RI "virtual \fB~InspSocket\fP ()"
.br
.in -1c
.SS "Private Attributes"
.in +1c
.ti -1c
.RI "int \fBfd\fP"
.br
.ti -1c
.RI "\fBstd::string\fP \fBhost\fP"
.br
.ti -1c
.RI "int \fBport\fP"
.br
.ti -1c
.RI "\fBInspSocketState\fP \fBstate\fP"
.br
.ti -1c
.RI "sockaddr_in \fBaddr\fP"
.br
.ti -1c
.RI "in_addr \fBaddy\fP"
.br
.ti -1c
.RI "time_t \fBtimeout_end\fP"
.br
.ti -1c
.RI "bool \fBtimeout\fP"
.br
.ti -1c
.RI "pollfd \fBpolls\fP"
.br
.ti -1c
.RI "char \fBibuf\fP [16384]"
.br
.ti -1c
.RI "\fBstd::string\fP \fBIP\fP"
.br
.ti -1c
.RI "sockaddr_in \fBclient\fP"
.br
.ti -1c
.RI "sockaddr_in \fBserver\fP"
.br
.ti -1c
.RI "socklen_t \fBlength\fP"
.br
.in -1c
.SH "Detailed Description"
.PP
Definition at line 30 of file socket.h.
.SH "Constructor & Destructor Documentation"
.PP
.SS "InspSocket::InspSocket ()"
.PP
Definition at line 49 of file socket.cpp.
.PP
References I_DISCONNECTED, and state.
.PP
.nf
50 {
51 this->state = I_DISCONNECTED;
52 }
.fi
.PP
.SS "InspSocket::InspSocket (int newfd, char * ip)"
.PP
Definition at line 54 of file socket.cpp.
.PP
References SocketEngine::AddFd(), fd, I_CONNECTED, IP, state, and X_ESTAB_MODULE.
.PP
.nf
55 {
56 this->fd = newfd;
57 this->state = I_CONNECTED;
58 this->IP = ip;
59 SE->AddFd(this->fd,true,X_ESTAB_MODULE);
60 }
.fi
.PP
.SS "InspSocket::InspSocket (\fBstd::string\fP host, int port, bool listening, unsigned long maxtime)"
.PP
Definition at line 62 of file socket.cpp.
.PP
References SocketEngine::AddFd(), addr, addy, Close(), DEBUG, fd, I_CONNECTING, I_ERR_BIND, I_ERR_CONNECT, I_ERR_SOCKET, I_ERROR, I_LISTENING, IP, OnError(), state, timeout, timeout_end, and X_ESTAB_MODULE.
.PP
.nf
63 {
64 if (listening) {
65 if ((this->fd = OpenTCPSocket()) == ERROR)
66 {
67 this->fd = -1;
68 this->state = I_ERROR;
69 this->OnError(I_ERR_SOCKET);
70 log(DEBUG,'OpenTCPSocket() error');
71 return;
72 }
73 else
74 {
75 if (BindSocket(this->fd,this->client,this->server,port,(char*)host.c_str()) == ERROR)
76 {
77 this->Close();
78 this->fd = -1;
79 this->state = I_ERROR;
80 this->OnError(I_ERR_BIND);
81 log(DEBUG,'BindSocket() error %s',strerror(errno));
82 return;
83 }
84 else
85 {
86 this->state = I_LISTENING;
87 SE->AddFd(this->fd,true,X_ESTAB_MODULE);
88 log(DEBUG,'New socket now in I_LISTENING state');
89 return;
90 }
91 }
92 } else {
93 char* ip;
94 this->host = host;
95 hostent* hoste = gethostbyname(host.c_str());
96 if (!hoste) {
97 ip = (char*)host.c_str();
98 } else {
99 struct in_addr* ia = (in_addr*)hoste->h_addr;
100 ip = inet_ntoa(*ia);
101 }
102
103 this->IP = ip;
104
105 timeout_end = time(NULL)+maxtime;
106 timeout = false;
107 if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
108 {
109 this->state = I_ERROR;
110 this->OnError(I_ERR_SOCKET);
111 return;
112 }
113 this->port = port;
114 inet_aton(ip,&addy);
115 addr.sin_family = AF_INET;
116 addr.sin_addr = addy;
117 addr.sin_port = htons(this->port);
118
119 int flags;
120 flags = fcntl(this->fd, F_GETFL, 0);
121 fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
122
123 if(connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
124 {
125 if (errno != EINPROGRESS)
126 {
127 this->Close();
128 this->OnError(I_ERR_CONNECT);
129 this->state = I_ERROR;
130 return;
131 }
132 }
133 this->state = I_CONNECTING;
134 SE->AddFd(this->fd,false,X_ESTAB_MODULE);
135 return;
136 }
137 }
.fi
.PP
.SS "InspSocket::~InspSocket ()\fC [virtual]\fP"
.PP
Definition at line 265 of file socket.cpp.
.PP
References Close().
.PP
.nf
266 {
267 this->Close();
268 }
.fi
.PP
.SH "Member Function Documentation"
.PP
.SS "void InspSocket::Close ()\fC [virtual]\fP"
.PP
Definition at line 139 of file socket.cpp.
.PP
References fd, and OnClose().
.PP
Referenced by InspSocket(), and ~InspSocket().
.PP
.nf
140 {
141 if (this->fd != -1)
142 {
143 this->OnClose();
144 shutdown(this->fd,2);
145 close(this->fd);
146 this->fd = -1;
147 }
148 }
.fi
.PP
.SS "int InspSocket::GetFd ()"
.PP
Definition at line 252 of file socket.cpp.
.PP
References fd.
.PP
.nf
253 {
254 return this->fd;
255 }
.fi
.PP
.SS "\fBstd::string\fP InspSocket::GetIP ()"
.PP
Definition at line 150 of file socket.cpp.
.PP
References IP.
.PP
.nf
151 {
152 return this->IP;
153 }
.fi
.PP
.SS "\fBInspSocketState\fP InspSocket::GetState ()"
.PP
Definition at line 247 of file socket.cpp.
.PP
References state.
.PP
.nf
248 {
249 return this->state;
250 }
.fi
.PP
.SS "void InspSocket::OnClose ()\fC [virtual]\fP"
.PP
Definition at line 263 of file socket.cpp.
.PP
Referenced by Close().
.PP
.nf
263 { return; }
.fi
.PP
.SS "bool InspSocket::OnConnected ()\fC [virtual]\fP"
.PP
Definition at line 257 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
257 { return true; }
.fi
.PP
.SS "bool InspSocket::OnDataReady ()\fC [virtual]\fP"
.PP
Definition at line 261 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
261 { return true; }
.fi
.PP
.SS "int InspSocket::OnDisconnect ()\fC [virtual]\fP"
.PP
Definition at line 259 of file socket.cpp.
.PP
.nf
259 { return 0; }
.fi
.PP
.SS "void InspSocket::OnError (\fBInspSocketError\fP e)\fC [virtual]\fP"
.PP
Definition at line 258 of file socket.cpp.
.PP
Referenced by InspSocket(), and Poll().
.PP
.nf
258 { return; }
.fi
.PP
.SS "int InspSocket::OnIncomingConnection (int newfd, char * ip)\fC [virtual]\fP"
.PP
Definition at line 260 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
260 { return 0; }
.fi
.PP
.SS "void InspSocket::OnTimeout ()\fC [virtual]\fP"
.PP
Definition at line 262 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
262 { return; }
.fi
.PP
.SS "bool InspSocket::Poll ()"
.PP
Definition at line 197 of file socket.cpp.
.PP
References SocketEngine::AddFd(), client, SocketEngine::DelFd(), I_CONNECTED, I_CONNECTING, I_ERR_TIMEOUT, I_ERROR, I_LISTENING, length, OnConnected(), OnDataReady(), OnError(), OnIncomingConnection(), OnTimeout(), SetState(), state, timeout, timeout_end, and X_ESTAB_MODULE.
.PP
.nf
198 {
199 if ((time(NULL) > timeout_end) && (this->state == I_CONNECTING))
200 {
201 // for non-listening sockets, the timeout can occur
202 // which causes termination of the connection after
203 // the given number of seconds without a successful
204 // connection.
205 this->OnTimeout();
206 this->OnError(I_ERR_TIMEOUT);
207 timeout = true;
208 this->state = I_ERROR;
209 return false;
210 }
211
212 int incoming = -1;
213
214 switch (this->state)
215 {
216 case I_CONNECTING:
217 this->SetState(I_CONNECTED);
218 /* Our socket was in write-state, so delete it and re-add it
219 * in read-state.
220 */
221 SE->DelFd(this->fd);
222 SE->AddFd(this->fd,true,X_ESTAB_MODULE);
223 return this->OnConnected();
224 break;
225 case I_LISTENING:
226 length = sizeof (client);
227 incoming = accept (this->fd, (sockaddr*)&client,&length);
228 this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr));
229 return true;
230 break;
231 case I_CONNECTED:
232 return this->OnDataReady();
233 break;
234 default:
235 break;
236 }
237
238 return true;
239 }
.fi
.PP
.SS "char * InspSocket::Read ()\fC [virtual]\fP"
.PP
Definition at line 155 of file socket.cpp.
.PP
References DEBUG, and ibuf.
.PP
.nf
156 {
157 int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
158 if (n > 0)
159 {
160 ibuf[n] = 0;
161 return ibuf;
162 }
163 else
164 {
165 log(DEBUG,'EOF or error on socket');
166 return NULL;
167 }
168 }
.fi
.PP
.SS "void InspSocket::SetState (\fBInspSocketState\fP s)"
.PP
Definition at line 241 of file socket.cpp.
.PP
References DEBUG, and state.
.PP
Referenced by Poll().
.PP
.nf
242 {
243 log(DEBUG,'Socket state change');
244 this->state = s;
245 }
.fi
.PP
.SS "int InspSocket::Write (\fBstd::string\fP data)\fC [virtual]\fP"
.PP
Definition at line 174 of file socket.cpp.
.PP
.nf
175 {
176 char* d = (char*)data.c_str();
177 unsigned int written = 0;
178 int n = 0;
179 int s = data.length();
180 while ((written < data.length()) && (n >= 0))
181 {
182 n = send(this->fd,d,s,0);
183 if (n > 0)
184 {
185 // If we didnt write everything, advance
186 // the pointers so that when we retry
187 // the next time around the loop, we try
188 // to write what we failed to write before.
189 written += n;
190 s -= n;
191 d += n;
192 }
193 }
194 return written;
195 }
.fi
.PP
.SH "Member Data Documentation"
.PP
.SS "sockaddr_in \fBInspSocket::addr\fP\fC [private]\fP"
.PP
Definition at line 37 of file socket.h.
.PP
Referenced by InspSocket().
.SS "in_addr \fBInspSocket::addy\fP\fC [private]\fP"
.PP
Definition at line 38 of file socket.h.
.PP
Referenced by InspSocket().
.SS "sockaddr_in \fBInspSocket::client\fP\fC [private]\fP"
.PP
Definition at line 44 of file socket.h.
.PP
Referenced by Poll().
.SS "int \fBInspSocket::fd\fP\fC [private]\fP"
.PP
Definition at line 33 of file socket.h.
.PP
Referenced by Close(), GetFd(), and InspSocket().
.SS "\fBstd::string\fP \fBInspSocket::host\fP\fC [private]\fP"
.PP
Definition at line 34 of file socket.h.
.SS "char \fBInspSocket::ibuf\fP[16384]\fC [private]\fP"
.PP
Definition at line 42 of file socket.h.
.PP
Referenced by Read().
.SS "\fBstd::string\fP \fBInspSocket::IP\fP\fC [private]\fP"
.PP
Definition at line 43 of file socket.h.
.PP
Referenced by GetIP(), and InspSocket().
.SS "socklen_t \fBInspSocket::length\fP\fC [private]\fP"
.PP
Definition at line 46 of file socket.h.
.PP
Referenced by Poll().
.SS "pollfd \fBInspSocket::polls\fP\fC [private]\fP"
.PP
Definition at line 41 of file socket.h.
.SS "int \fBInspSocket::port\fP\fC [private]\fP"
.PP
Definition at line 35 of file socket.h.
.SS "sockaddr_in \fBInspSocket::server\fP\fC [private]\fP"
.PP
Definition at line 45 of file socket.h.
.SS "\fBInspSocketState\fP \fBInspSocket::state\fP\fC [private]\fP"
.PP
Definition at line 36 of file socket.h.
.PP
Referenced by GetState(), InspSocket(), Poll(), and SetState().
.SS "bool \fBInspSocket::timeout\fP\fC [private]\fP"
.PP
Definition at line 40 of file socket.h.
.PP
Referenced by InspSocket(), and Poll().
.SS "time_t \fBInspSocket::timeout_end\fP\fC [private]\fP"
.PP
Definition at line 39 of file socket.h.
.PP
Referenced by InspSocket(), and Poll().
.SH "Author"
.PP
Generated automatically by Doxygen for InspIRCd from the source code.
|
