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|
.TH "InspSocket" 3 "27 Nov 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)"
.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 "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 "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 [1024]"
.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 46 of file socket.cpp.
.PP
References I_DISCONNECTED, and state.
.PP
.nf
47 {
48 this->state = I_DISCONNECTED;
49 }
.fi
.PP
.SS "InspSocket::InspSocket (int newfd)"
.PP
Definition at line 51 of file socket.cpp.
.PP
References fd, I_CONNECTED, and state.
.PP
.nf
52 {
53 this->fd = newfd;
54 this->state = I_CONNECTED;
55 }
.fi
.PP
.SS "InspSocket::InspSocket (\fBstd::string\fP host, int port, bool listening, unsigned long maxtime)"
.PP
Definition at line 57 of file socket.cpp.
.PP
References addr, addy, Close(), DEBUG, fd, I_CONNECTING, I_ERR_BIND, I_ERR_CONNECT, I_ERR_SOCKET, I_ERROR, I_LISTENING, OnError(), state, timeout, and timeout_end.
.PP
.nf
58 {
59 if (listening) {
60 if ((this->fd = OpenTCPSocket()) == ERROR)
61 {
62 this->fd = -1;
63 this->state = I_ERROR;
64 this->OnError(I_ERR_SOCKET);
65 log(DEBUG,'OpenTCPSocket() error');
66 return;
67 }
68 else
69 {
70 if (BindSocket(this->fd,this->client,this->server,port,(char*)host.c_str()) == ERROR)
71 {
72 this->Close();
73 this->fd = -1;
74 this->state = I_ERROR;
75 this->OnError(I_ERR_BIND);
76 log(DEBUG,'BindSocket() error %s',strerror(errno));
77 return;
78 }
79 else
80 {
81 this->state = I_LISTENING;
82 log(DEBUG,'New socket now in I_LISTENING state');
83 return;
84 }
85 }
86 } else {
87 char* ip;
88 this->host = host;
89 hostent* hoste = gethostbyname(host.c_str());
90 if (!hoste) {
91 ip = (char*)host.c_str();
92 } else {
93 struct in_addr* ia = (in_addr*)hoste->h_addr;
94 ip = inet_ntoa(*ia);
95 }
96
97 timeout_end = time(NULL)+maxtime;
98 timeout = false;
99 if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
100 {
101 this->state = I_ERROR;
102 this->OnError(I_ERR_SOCKET);
103 return;
104 }
105 this->port = port;
106 inet_aton(ip,&addy);
107 addr.sin_family = AF_INET;
108 addr.sin_addr = addy;
109 addr.sin_port = htons(this->port);
110
111 int flags;
112 flags = fcntl(this->fd, F_GETFL, 0);
113 fcntl(this->fd, F_SETFL, flags | O_NONBLOCK);
114
115 if(connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1)
116 {
117 if (errno != EINPROGRESS)
118 {
119 this->Close();
120 this->OnError(I_ERR_CONNECT);
121 this->state = I_ERROR;
122 return;
123 }
124 }
125 this->state = I_CONNECTING;
126 return;
127 }
128 }
.fi
.PP
.SS "InspSocket::~InspSocket ()\fC [virtual]\fP"
.PP
Definition at line 246 of file socket.cpp.
.PP
References Close().
.PP
.nf
247 {
248 this->Close();
249 }
.fi
.PP
.SH "Member Function Documentation"
.PP
.SS "void InspSocket::Close ()\fC [virtual]\fP"
.PP
Definition at line 130 of file socket.cpp.
.PP
References fd, and OnClose().
.PP
Referenced by InspSocket(), and ~InspSocket().
.PP
.nf
131 {
132 if (this->fd != -1)
133 {
134 this->OnClose();
135 shutdown(this->fd,2);
136 close(this->fd);
137 this->fd = -1;
138 }
139 }
.fi
.PP
.SS "\fBInspSocketState\fP InspSocket::GetState ()"
.PP
Definition at line 233 of file socket.cpp.
.PP
References state.
.PP
.nf
234 {
235 return this->state;
236 }
.fi
.PP
.SS "void InspSocket::OnClose ()\fC [virtual]\fP"
.PP
Definition at line 244 of file socket.cpp.
.PP
Referenced by Close().
.PP
.nf
244 { return; }
.fi
.PP
.SS "bool InspSocket::OnConnected ()\fC [virtual]\fP"
.PP
Definition at line 238 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
238 { return true; }
.fi
.PP
.SS "bool InspSocket::OnDataReady ()\fC [virtual]\fP"
.PP
Definition at line 242 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
242 { return true; }
.fi
.PP
.SS "int InspSocket::OnDisconnect ()\fC [virtual]\fP"
.PP
Definition at line 240 of file socket.cpp.
.PP
.nf
240 { return 0; }
.fi
.PP
.SS "void InspSocket::OnError (\fBInspSocketError\fP e)\fC [virtual]\fP"
.PP
Definition at line 239 of file socket.cpp.
.PP
Referenced by InspSocket(), and Poll().
.PP
.nf
239 { return; }
.fi
.PP
.SS "int InspSocket::OnIncomingConnection (int newfd, char * ip)\fC [virtual]\fP"
.PP
Definition at line 241 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
241 { return 0; }
.fi
.PP
.SS "void InspSocket::OnTimeout ()\fC [virtual]\fP"
.PP
Definition at line 243 of file socket.cpp.
.PP
Referenced by Poll().
.PP
.nf
243 { return; }
.fi
.PP
.SS "bool InspSocket::Poll ()"
.PP
Definition at line 183 of file socket.cpp.
.PP
References client, fd, I_CONNECTED, I_CONNECTING, I_ERR_TIMEOUT, I_ERROR, I_LISTENING, length, OnConnected(), OnDataReady(), OnError(), OnIncomingConnection(), OnTimeout(), polls, SetState(), state, timeout, and timeout_end.
.PP
.nf
184 {
185 if ((time(NULL) > timeout_end) && (this->state == I_CONNECTING))
186 {
187 // for non-listening sockets, the timeout can occur
188 // which causes termination of the connection after
189 // the given number of seconds without a successful
190 // connection.
191 this->OnTimeout();
192 this->OnError(I_ERR_TIMEOUT);
193 timeout = true;
194 this->state = I_ERROR;
195 return false;
196 }
197 polls.fd = this->fd;
198 state == I_CONNECTING ? polls.events = POLLOUT : polls.events = POLLIN;
199 int ret = poll(&polls,1,1);
200
201 if (ret > 0)
202 {
203 int incoming = -1;
204
205 switch (this->state)
206 {
207 case I_CONNECTING:
208 this->SetState(I_CONNECTED);
209 return this->OnConnected();
210 break;
211 case I_LISTENING:
212 length = sizeof (client);
213 incoming = accept (this->fd, (sockaddr*)&client,&length);
214 this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr));
215 return true;
216 break;
217 case I_CONNECTED:
218 return this->OnDataReady();
219 break;
220 default:
221 break;
222 }
223 }
224 return true;
225 }
.fi
.PP
.SS "char * InspSocket::Read ()\fC [virtual]\fP"
.PP
Definition at line 141 of file socket.cpp.
.PP
References DEBUG, and ibuf.
.PP
.nf
142 {
143 int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0);
144 if (n > 0)
145 {
146 ibuf[n] = 0;
147 return ibuf;
148 }
149 else
150 {
151 log(DEBUG,'EOF or error on socket');
152 return NULL;
153 }
154 }
.fi
.PP
.SS "void InspSocket::SetState (\fBInspSocketState\fP s)"
.PP
Definition at line 227 of file socket.cpp.
.PP
References DEBUG, and state.
.PP
Referenced by Poll().
.PP
.nf
228 {
229 log(DEBUG,'Socket state change');
230 this->state = s;
231 }
.fi
.PP
.SS "int InspSocket::Write (\fBstd::string\fP data)\fC [virtual]\fP"
.PP
Definition at line 160 of file socket.cpp.
.PP
.nf
161 {
162 char* d = (char*)data.c_str();
163 unsigned int written = 0;
164 int n = 0;
165 int s = data.length();
166 while ((written < data.length()) && (n >= 0))
167 {
168 n = send(this->fd,d,s,0);
169 if (n > 0)
170 {
171 // If we didnt write everything, advance
172 // the pointers so that when we retry
173 // the next time around the loop, we try
174 // to write what we failed to write before.
175 written += n;
176 s -= n;
177 d += n;
178 }
179 }
180 return written;
181 }
.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 43 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(), InspSocket(), and Poll().
.SS "\fBstd::string\fP \fBInspSocket::host\fP\fC [private]\fP"
.PP
Definition at line 34 of file socket.h.
.SS "char \fBInspSocket::ibuf\fP[1024]\fC [private]\fP"
.PP
Definition at line 42 of file socket.h.
.PP
Referenced by Read().
.SS "socklen_t \fBInspSocket::length\fP\fC [private]\fP"
.PP
Definition at line 45 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.
.PP
Referenced by Poll().
.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 44 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.
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