.TH "InspSocket" 3 "9 Dec 2005" "Version 1.0Betareleases" "InspIRCd" \" -*- nroff -*- .ad l .nh .SH NAME InspSocket \- .SH SYNOPSIS .br .PP \fC#include \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 "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 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, char * ip)" .PP Definition at line 51 of file socket.cpp. .PP References fd, I_CONNECTED, IP, and state. .PP .nf 52 { 53 this->fd = newfd; 54 this->state = I_CONNECTED; 55 this->IP = ip; 56 } .fi .PP .SS "InspSocket::InspSocket (\fBstd::string\fP host, int port, bool listening, unsigned long maxtime)" .PP Definition at line 58 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, IP, OnError(), state, timeout, and timeout_end. .PP .nf 59 { 60 if (listening) { 61 if ((this->fd = OpenTCPSocket()) == ERROR) 62 { 63 this->fd = -1; 64 this->state = I_ERROR; 65 this->OnError(I_ERR_SOCKET); 66 log(DEBUG,'OpenTCPSocket() error'); 67 return; 68 } 69 else 70 { 71 if (BindSocket(this->fd,this->client,this->server,port,(char*)host.c_str()) == ERROR) 72 { 73 this->Close(); 74 this->fd = -1; 75 this->state = I_ERROR; 76 this->OnError(I_ERR_BIND); 77 log(DEBUG,'BindSocket() error %s',strerror(errno)); 78 return; 79 } 80 else 81 { 82 this->state = I_LISTENING; 83 log(DEBUG,'New socket now in I_LISTENING state'); 84 return; 85 } 86 } 87 } else { 88 char* ip; 89 this->host = host; 90 hostent* hoste = gethostbyname(host.c_str()); 91 if (!hoste) { 92 ip = (char*)host.c_str(); 93 } else { 94 struct in_addr* ia = (in_addr*)hoste->h_addr; 95 ip = inet_ntoa(*ia); 96 } 97 98 this->IP = ip; 99 100 timeout_end = time(NULL)+maxtime; 101 timeout = false; 102 if ((this->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1) 103 { 104 this->state = I_ERROR; 105 this->OnError(I_ERR_SOCKET); 106 return; 107 } 108 this->port = port; 109 inet_aton(ip,&addy); 110 addr.sin_family = AF_INET; 111 addr.sin_addr = addy; 112 addr.sin_port = htons(this->port); 113 114 int flags; 115 flags = fcntl(this->fd, F_GETFL, 0); 116 fcntl(this->fd, F_SETFL, flags | O_NONBLOCK); 117 118 if(connect(this->fd, (sockaddr*)&this->addr,sizeof(this->addr)) == -1) 119 { 120 if (errno != EINPROGRESS) 121 { 122 this->Close(); 123 this->OnError(I_ERR_CONNECT); 124 this->state = I_ERROR; 125 return; 126 } 127 } 128 this->state = I_CONNECTING; 129 return; 130 } 131 } .fi .PP .SS "InspSocket::~InspSocket ()\fC [virtual]\fP" .PP Definition at line 254 of file socket.cpp. .PP References Close(). .PP .nf 255 { 256 this->Close(); 257 } .fi .PP .SH "Member Function Documentation" .PP .SS "void InspSocket::Close ()\fC [virtual]\fP" .PP Definition at line 133 of file socket.cpp. .PP References fd, and OnClose(). .PP Referenced by InspSocket(), and ~InspSocket(). .PP .nf 134 { 135 if (this->fd != -1) 136 { 137 this->OnClose(); 138 shutdown(this->fd,2); 139 close(this->fd); 140 this->fd = -1; 141 } 142 } .fi .PP .SS "\fBstd::string\fP InspSocket::GetIP ()" .PP Definition at line 144 of file socket.cpp. .PP References IP. .PP .nf 145 { 146 return this->IP; 147 } .fi .PP .SS "\fBInspSocketState\fP InspSocket::GetState ()" .PP Definition at line 241 of file socket.cpp. .PP References state. .PP .nf 242 { 243 return this->state; 244 } .fi .PP .SS "void InspSocket::OnClose ()\fC [virtual]\fP" .PP Definition at line 252 of file socket.cpp. .PP Referenced by Close(). .PP .nf 252 { return; } .fi .PP .SS "bool InspSocket::OnConnected ()\fC [virtual]\fP" .PP Definition at line 246 of file socket.cpp. .PP Referenced by Poll(). .PP .nf 246 { return true; } .fi .PP .SS "bool InspSocket::OnDataReady ()\fC [virtual]\fP" .PP Definition at line 250 of file socket.cpp. .PP Referenced by Poll(). .PP .nf 250 { return true; } .fi .PP .SS "int InspSocket::OnDisconnect ()\fC [virtual]\fP" .PP Definition at line 248 of file socket.cpp. .PP .nf 248 { return 0; } .fi .PP .SS "void InspSocket::OnError (\fBInspSocketError\fP e)\fC [virtual]\fP" .PP Definition at line 247 of file socket.cpp. .PP Referenced by InspSocket(), and Poll(). .PP .nf 247 { return; } .fi .PP .SS "int InspSocket::OnIncomingConnection (int newfd, char * ip)\fC [virtual]\fP" .PP Definition at line 249 of file socket.cpp. .PP Referenced by Poll(). .PP .nf 249 { return 0; } .fi .PP .SS "void InspSocket::OnTimeout ()\fC [virtual]\fP" .PP Definition at line 251 of file socket.cpp. .PP Referenced by Poll(). .PP .nf 251 { return; } .fi .PP .SS "bool InspSocket::Poll ()" .PP Definition at line 191 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 192 { 193 if ((time(NULL) > timeout_end) && (this->state == I_CONNECTING)) 194 { 195 // for non-listening sockets, the timeout can occur 196 // which causes termination of the connection after 197 // the given number of seconds without a successful 198 // connection. 199 this->OnTimeout(); 200 this->OnError(I_ERR_TIMEOUT); 201 timeout = true; 202 this->state = I_ERROR; 203 return false; 204 } 205 polls.fd = this->fd; 206 state == I_CONNECTING ? polls.events = POLLOUT : polls.events = POLLIN; 207 int ret = poll(&polls,1,1); 208 209 if (ret > 0) 210 { 211 int incoming = -1; 212 213 switch (this->state) 214 { 215 case I_CONNECTING: 216 this->SetState(I_CONNECTED); 217 return this->OnConnected(); 218 break; 219 case I_LISTENING: 220 length = sizeof (client); 221 incoming = accept (this->fd, (sockaddr*)&client,&length); 222 this->OnIncomingConnection(incoming,inet_ntoa(client.sin_addr)); 223 return true; 224 break; 225 case I_CONNECTED: 226 return this->OnDataReady(); 227 break; 228 default: 229 break; 230 } 231 } 232 return true; 233 } .fi .PP .SS "char * InspSocket::Read ()\fC [virtual]\fP" .PP Definition at line 149 of file socket.cpp. .PP References DEBUG, and ibuf. .PP .nf 150 { 151 int n = recv(this->fd,this->ibuf,sizeof(this->ibuf),0); 152 if (n > 0) 153 { 154 ibuf[n] = 0; 155 return ibuf; 156 } 157 else 158 { 159 log(DEBUG,'EOF or error on socket'); 160 return NULL; 161 } 162 } .fi .PP .SS "void InspSocket::SetState (\fBInspSocketState\fP s)" .PP Definition at line 235 of file socket.cpp. .PP References DEBUG, and state. .PP Referenced by Poll(). .PP .nf 236 { 237 log(DEBUG,'Socket state change'); 238 this->state = s; 239 } .fi .PP .SS "int InspSocket::Write (\fBstd::string\fP data)\fC [virtual]\fP" .PP Definition at line 168 of file socket.cpp. .PP .nf 169 { 170 char* d = (char*)data.c_str(); 171 unsigned int written = 0; 172 int n = 0; 173 int s = data.length(); 174 while ((written < data.length()) && (n >= 0)) 175 { 176 n = send(this->fd,d,s,0); 177 if (n > 0) 178 { 179 // If we didnt write everything, advance 180 // the pointers so that when we retry 181 // the next time around the loop, we try 182 // to write what we failed to write before. 183 written += n; 184 s -= n; 185 d += n; 186 } 187 } 188 return written; 189 } .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(), 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[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. .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 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.