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Diffstat (limited to 'docs/man/man3/serverrec.3')
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diff --git a/docs/man/man3/serverrec.3 b/docs/man/man3/serverrec.3 deleted file mode 100644 index 428f509df..000000000 --- a/docs/man/man3/serverrec.3 +++ /dev/null @@ -1,733 +0,0 @@ -.TH "serverrec" 3 "30 May 2005" "InspIRCd" \" -*- nroff -*- -.ad l -.nh -.SH NAME -serverrec \- A class that defines the local server or a remote server. - -.PP -.SH SYNOPSIS -.br -.PP -\fC#include <servers.h>\fP -.PP -Inherits \fBconnection\fP. -.PP -.SS "Public Member Functions" - -.in +1c -.ti -1c -.RI "\fBserverrec\fP ()" -.br -.RI "\fIConstructor. \fP" -.ti -1c -.RI "\fBserverrec\fP (char *n, long ver, bool jupe)" -.br -.RI "\fIConstructor which initialises some of the main variables. \fP" -.ti -1c -.RI "\fB~serverrec\fP ()" -.br -.RI "\fIDestructor. \fP" -.ti -1c -.RI "bool \fBCreateListener\fP (char *\fBhost\fP, int p)" -.br -.RI "\fICreate a listening socket on 'host' using port number 'p'. \fP" -.ti -1c -.RI "bool \fBBeginLink\fP (char *targethost, int \fBport\fP, char *password, char *servername, int myport)" -.br -.RI "\fIBegin an outbound link to another ircd at targethost. \fP" -.ti -1c -.RI "bool \fBMeshCookie\fP (char *targethost, int \fBport\fP, unsigned long cookie, char *servername)" -.br -.RI "\fIBegin an outbound mesh link to another ircd on a network you are already an authenticated member of. \fP" -.ti -1c -.RI "void \fBTerminateLink\fP (char *targethost)" -.br -.RI "\fITerminate a link to 'targethost' by calling the \fBircd_connector::CloseConnection\fP method. \fP" -.ti -1c -.RI "bool \fBSendPacket\fP (char *message, const char *\fBhost\fP)" -.br -.RI "\fISend a message to a server by name, if the server is unavailable directly route the packet via another server If the server still cannot be reached after attempting to route the message remotely, returns false. \fP" -.ti -1c -.RI "bool \fBRecvPacket\fP (std::deque< std::string > &messages, char *\fBhost\fP, std::deque< std::string > &sums)" -.br -.RI "\fIReturns the next available packet and returns true if data is available. \fP" -.ti -1c -.RI "\fBircd_connector\fP * \fBFindHost\fP (std::string \fBhost\fP)" -.br -.RI "\fIFind the \fBircd_connector\fP oject related to a certain servername given in 'host'. \fP" -.ti -1c -.RI "bool \fBAddIncoming\fP (int \fBfd\fP, char *targethost, int sourceport)" -.br -.RI "\fIAdd an incoming connection to the connection pool. \fP" -.ti -1c -.RI "void \fBFlushWriteBuffers\fP ()" -.br -.RI "\fIFlushes all data waiting to be written for all of this server's connections. \fP" -.in -1c -.SS "Public Attributes" - -.in +1c -.ti -1c -.RI "char \fBname\fP [MAXBUF]" -.br -.RI "\fIserver name \fP" -.ti -1c -.RI "long \fBpingtime\fP" -.br -.RI "\fIlast ping response (ms) \fP" -.ti -1c -.RI "long \fBusercount_i\fP" -.br -.RI "\fIinvisible users on server \fP" -.ti -1c -.RI "long \fBusercount\fP" -.br -.RI "\fInon-invisible users on server \fP" -.ti -1c -.RI "long \fBopercount\fP" -.br -.RI "\fIopers on server \fP" -.ti -1c -.RI "int \fBhops_away\fP" -.br -.RI "\fInumber of hops away (for quick access) \fP" -.ti -1c -.RI "long \fBversion\fP" -.br -.RI "\fIircd version \fP" -.ti -1c -.RI "bool \fBjupiter\fP" -.br -.RI "\fIis a JUPE server (faked to enforce a server ban) \fP" -.ti -1c -.RI "char \fBdescription\fP [MAXBUF]" -.br -.RI "\fIDescription of the server. \fP" -.ti -1c -.RI "char \fBnickserv\fP [NICKMAX]" -.br -.RI "\fIHolds nickserv's name on U:lined (services) servers (this is a kludge for ircservices which ASSUMES things :/). \fP" -.ti -1c -.RI "bool \fBsync_soon\fP" -.br -.ti -1c -.RI "std::vector< \fBircd_connector\fP > \fBconnectors\fP" -.br -.RI "\fIWith a serverrec, this is a list of all established server connections. \fP" -.in -1c -.SH "Detailed Description" -.PP -A class that defines the local server or a remote server. Definition at line 30 of file servers.h. -.SH "Constructor & Destructor Documentation" -.PP -.SS "serverrec::serverrec ()" -.PP -Constructor. Definition at line 46 of file servers.cpp. -.PP -References connectors, connection::fd, hops_away, jupiter, connection::lastping, name, nickserv, opercount, pingtime, connection::signon, sync_soon, TIME, usercount, usercount_i, and version. -.PP -.nf -47 { -48 strlcpy(name,'',256); -49 pingtime = 0; -50 lastping = TIME; -51 usercount_i = usercount = opercount = version = 0; -52 hops_away = 1; -53 signon = TIME; -54 jupiter = false; -55 fd = 0; -56 sync_soon = false; -57 strlcpy(nickserv,'',NICKMAX); -58 connectors.clear(); -59 } -.fi -.SS "serverrec::serverrec (char * n, long ver, bool jupe)" -.PP -Constructor which initialises some of the main variables. Definition at line 66 of file servers.cpp. -.PP -References connectors, connection::fd, hops_away, jupiter, connection::lastping, name, nickserv, opercount, connection::signon, sync_soon, TIME, usercount, usercount_i, and version. -.PP -.nf -67 { -68 strlcpy(name,n,256); -69 lastping = TIME; -70 usercount_i = usercount = opercount = 0; -71 version = ver; -72 hops_away = 1; -73 signon = TIME; -74 jupiter = jupe; -75 fd = 0; -76 sync_soon = false; -77 strlcpy(nickserv,'',NICKMAX); -78 connectors.clear(); -79 } -.fi -.SS "serverrec::~\fBserverrec\fP ()" -.PP -Destructor. Definition at line 62 of file servers.cpp. -.PP -.nf -63 { -64 } -.fi -.SH "Member Function Documentation" -.PP -.SS "bool serverrec::AddIncoming (int fd, char * targethost, int sourceport)" -.PP -Add an incoming connection to the connection pool. (reserved for core use) Definition at line 212 of file servers.cpp. -.PP -References connectors, DEBUG, ircd_connector::SetDescriptor(), ircd_connector::SetHostAndPort(), ircd_connector::SetServerName(), ircd_connector::SetState(), and STATE_NOAUTH_INBOUND. -.PP -.nf -213 { -214 ircd_connector connector; -215 -216 // targethost has been turned into an ip... -217 // we dont want this as the server name. -218 connector.SetServerName(targethost); -219 connector.SetDescriptor(newfd); -220 connector.SetState(STATE_NOAUTH_INBOUND); -221 int flags = fcntl(newfd, F_GETFL, 0); -222 fcntl(newfd, F_SETFL, flags | O_NONBLOCK); -223 int sendbuf = 32768; -224 int recvbuf = 32768; -225 setsockopt(newfd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf)); -226 setsockopt(newfd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf)); -227 connector.SetHostAndPort(targethost, sourceport); -228 connector.SetState(STATE_NOAUTH_INBOUND); -229 log(DEBUG,'serverrec::AddIncoming() Added connection: %s:%d',targethost,sourceport); -230 this->connectors.push_back(connector); -231 return true; -232 } -.fi -.SS "bool serverrec::BeginLink (char * targethost, int port, char * password, char * servername, int myport)" -.PP -Begin an outbound link to another ircd at targethost. Definition at line 142 of file servers.cpp. -.PP -References connectors, connection::fd, FindHost(), ircd_connector::MakeOutboundConnection(), SendPacket(), ircd_connector::SetHostAndPort(), ircd_connector::SetServerName(), ircd_connector::SetState(), STATE_DISCONNECTED, and STATE_NOAUTH_OUTBOUND. -.PP -.nf -143 { -144 char connect[MAXBUF]; -145 -146 ircd_connector connector; -147 ircd_connector *cn = this->FindHost(servername); -148 -149 -150 if (cn) -151 { -152 WriteOpers('CONNECT aborted: Server %s already exists',servername); -153 return false; -154 } -155 -156 -157 if (this->fd) -158 { -159 if (connector.MakeOutboundConnection(targethost,newport)) -160 { -161 // targethost has been turned into an ip... -162 // we dont want this as the server name. -163 connector.SetServerName(servername); -164 snprintf(connect,MAXBUF,'S %s %s %lu %s :%s',getservername().c_str(),password,(unsigned long)myport,GetRevision().c_str(),getserverdesc().c_str()); -165 connector.SetState(STATE_NOAUTH_OUTBOUND); -166 connector.SetHostAndPort(targethost, newport); -167 this->connectors.push_back(connector); -168 // this packet isn't actually sent until the socket connects -- the STATE_NOAUTH_OUTBOUND state -169 // queues outbound data until the socket is polled as writeable (e.g. the connection is established) -170 return this->SendPacket(connect, servername); -171 } -172 else -173 { -174 connector.SetState(STATE_DISCONNECTED); -175 WriteOpers('Could not create outbound connection to %s:%d',targethost,newport); -176 } -177 } -178 return false; -179 } -.fi -.SS "bool serverrec::CreateListener (char * host, int p)" -.PP -Create a listening socket on 'host' using port number 'p'. Definition at line 81 of file servers.cpp. -.PP -References connection::fd, MaxConn, and connection::port. -.PP -.nf -82 { -83 sockaddr_in host_address; -84 int flags; -85 in_addr addy; -86 int on = 0; -87 struct linger linger = { 0 }; -88 -89 this->port = p; -90 -91 fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); -92 if (fd <= 0) -93 { -94 return false; -95 } -96 -97 setsockopt(fd,SOL_SOCKET,SO_REUSEADDR,(const char*)&on,sizeof(on)); -98 linger.l_onoff = 1; -99 linger.l_linger = 1; -100 setsockopt(fd,SOL_SOCKET,SO_LINGER,(const char*)&linger,sizeof(linger)); -101 -102 // attempt to increase socket sendq and recvq as high as its possible -103 // to get them on linux. -104 int sendbuf = 32768; -105 int recvbuf = 32768; -106 setsockopt(fd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf)); -107 setsockopt(fd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf)); -108 -109 memset((void*)&host_address, 0, sizeof(host_address)); -110 -111 host_address.sin_family = AF_INET; -112 -113 if (!strcmp(newhost,'')) -114 { -115 host_address.sin_addr.s_addr = htonl(INADDR_ANY); -116 } -117 else -118 { -119 inet_aton(newhost,&addy); -120 host_address.sin_addr = addy; -121 } -122 -123 host_address.sin_port = htons(p); -124 -125 if (bind(fd,(sockaddr*)&host_address,sizeof(host_address))<0) -126 { -127 return false; -128 } -129 -130 // make the socket non-blocking -131 flags = fcntl(fd, F_GETFL, 0); -132 fcntl(fd, F_SETFL, flags | O_NONBLOCK); -133 -134 this->port = p; -135 -136 listen(this->fd, MaxConn); -137 -138 return true; -139 } -.fi -.SS "\fBircd_connector\fP * serverrec::FindHost (std::string host)" -.PP -Find the \fBircd_connector\fP oject related to a certain servername given in 'host'. Definition at line 242 of file servers.cpp. -.PP -References connectors. -.PP -Referenced by BeginLink(), and SendPacket(). -.PP -.nf -243 { -244 for (int i = 0; i < this->connectors.size(); i++) -245 { -246 if (this->connectors[i].GetServerName() == findhost) -247 { -248 return &this->connectors[i]; -249 } -250 } -251 return NULL; -252 } -.fi -.SS "void serverrec::FlushWriteBuffers ()" -.PP -Flushes all data waiting to be written for all of this server's connections. Definition at line 274 of file servers.cpp. -.PP -References connectors, has_been_netsplit, IsRoutable(), STATE_DISCONNECTED, STATE_NOAUTH_INBOUND, STATE_NOAUTH_OUTBOUND, and TIME. -.PP -.nf -275 { -276 char buffer[MAXBUF]; -277 for (int i = 0; i < this->connectors.size(); i++) -278 { -279 // don't try and ping a NOAUTH_OUTBOUND state, its not authed yet! -280 if ((this->connectors[i].GetState() == STATE_NOAUTH_OUTBOUND) && (TIME > this->connectors[i].age+30)) -281 { -282 // however if we reach this timer its connected timed out :) -283 WriteOpers('*** Connection to %s timed out',this->connectors[i].GetServerName().c_str()); -284 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -285 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -286 DoSplit(this->connectors[i].GetServerName().c_str()); -287 return; -288 } -289 if ((this->connectors[i].GetState() == STATE_NOAUTH_INBOUND) && (TIME > this->connectors[i].age+30)) -290 { -291 WriteOpers('*** Connection from %s timed out',this->connectors[i].GetServerName().c_str()); -292 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -293 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -294 DoSplit(this->connectors[i].GetServerName().c_str()); -295 return; -296 } -297 if (this->connectors[i].GetState() != STATE_DISCONNECTED) -298 { -299 if (!this->connectors[i].CheckPing()) -300 { -301 WriteOpers('*** Lost single connection to %s: Ping timeout',this->connectors[i].GetServerName().c_str()); -302 this->connectors[i].CloseConnection(); -303 this->connectors[i].SetState(STATE_DISCONNECTED); -304 if (!IsRoutable(this->connectors[i].GetServerName())) -305 { -306 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str()); -307 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -308 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -309 DoSplit(this->connectors[i].GetServerName().c_str()); -310 } -311 has_been_netsplit = true; -312 } -313 } -314 if ((this->connectors[i].GetWriteError() !='') && (this->connectors[i].GetState() != STATE_DISCONNECTED)) -315 { -316 // if we're here the write() caused an error, we cannot proceed -317 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',this->connectors[i].GetServerName().c_str(),this->connectors[i].GetWriteError().c_str()); -318 this->connectors[i].CloseConnection(); -319 this->connectors[i].SetState(STATE_DISCONNECTED); -320 if (!IsRoutable(this->connectors[i].GetServerName())) -321 { -322 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str()); -323 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -324 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -325 DoSplit(this->connectors[i].GetServerName().c_str()); -326 } -327 has_been_netsplit = true; -328 } -329 if ((this->connectors[i].HasBufferedOutput()) && (this->connectors[i].GetState() != STATE_DISCONNECTED)) -330 { -331 if (!this->connectors[i].FlushWriteBuf()) -332 { -333 // if we're here the write() caused an error, we cannot proceed -334 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',this->connectors[i].GetServerName().c_str(),this->connectors[i].GetWriteError().c_str()); -335 this->connectors[i].CloseConnection(); -336 this->connectors[i].SetState(STATE_DISCONNECTED); -337 if (!IsRoutable(this->connectors[i].GetServerName())) -338 { -339 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str()); -340 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -341 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -342 DoSplit(this->connectors[i].GetServerName().c_str()); -343 } -344 has_been_netsplit = true; -345 } -346 } -347 } -348 } -.fi -.SS "bool serverrec::MeshCookie (char * targethost, int port, unsigned long cookie, char * servername)" -.PP -Begin an outbound mesh link to another ircd on a network you are already an authenticated member of. Definition at line 182 of file servers.cpp. -.PP -References connectors, connection::fd, ircd_connector::MakeOutboundConnection(), SendPacket(), ircd_connector::SetHostAndPort(), ircd_connector::SetServerName(), ircd_connector::SetState(), STATE_DISCONNECTED, and STATE_NOAUTH_OUTBOUND. -.PP -.nf -183 { -184 char connect[MAXBUF]; -185 -186 ircd_connector connector; -187 -188 WriteOpers('Establishing meshed link to %s:%d',servername,newport); -189 -190 if (this->fd) -191 { -192 if (connector.MakeOutboundConnection(targethost,newport)) -193 { -194 // targethost has been turned into an ip... -195 // we dont want this as the server name. -196 connector.SetServerName(servername); -197 snprintf(connect,MAXBUF,'- %lu %s :%s',cookie,getservername().c_str(),getserverdesc().c_str()); -198 connector.SetState(STATE_NOAUTH_OUTBOUND); -199 connector.SetHostAndPort(targethost, newport); -200 this->connectors.push_back(connector); -201 return this->SendPacket(connect, servername); -202 } -203 else -204 { -205 connector.SetState(STATE_DISCONNECTED); -206 WriteOpers('Could not create outbound connection to %s:%d',targethost,newport); -207 } -208 } -209 return false; -210 } -.fi -.SS "bool serverrec::RecvPacket (std::deque< std::string > & messages, char * host, std::deque< std::string > & sums)" -.PP -Returns the next available packet and returns true if data is available. Writes the servername the data came from to 'host'. If no data is available this function returns false. This function will automatically close broken links and reroute pathways, generating split messages on the network. Definition at line 445 of file servers.cpp. -.PP -References already_have_sum(), connectors, DEBUG, has_been_netsplit, IsRoutable(), and STATE_DISCONNECTED. -.PP -.nf -446 { -447 char data[65536],buffer[MAXBUF]; -448 memset(data, 0, 65536); -449 for (int i = 0; i < this->connectors.size(); i++) -450 { -451 if (this->connectors[i].GetState() != STATE_DISCONNECTED) -452 { -453 // returns false if the packet could not be sent (e.g. target host down) -454 int rcvsize = 0; -455 -456 // check if theres any data on this socket -457 // if not, continue onwards to the next. -458 pollfd polls; -459 polls.fd = this->connectors[i].GetDescriptor(); -460 polls.events = POLLIN; -461 int ret = poll(&polls,1,1); -462 if (ret <= 0) continue; -463 -464 rcvsize = recv(this->connectors[i].GetDescriptor(),data,65000,0); -465 data[rcvsize] = '\0'; -466 if (rcvsize == 0) -467 { -468 log(DEBUG,'recv() failed for serverrec::RecvPacket(): EOF'); -469 log(DEBUG,'Disabling connector: %s',this->connectors[i].GetServerName().c_str()); -470 this->connectors[i].CloseConnection(); -471 this->connectors[i].SetState(STATE_DISCONNECTED); -472 if (!IsRoutable(this->connectors[i].GetServerName())) -473 { -474 WriteOpers('*** Server %s is no longer routable, disconnecting (EOF)',this->connectors[i].GetServerName().c_str()); -475 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -476 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -477 DoSplit(this->connectors[i].GetServerName().c_str()); -478 } -479 has_been_netsplit = true; -480 } -481 if (rcvsize == -1) -482 { -483 if (errno != EAGAIN) -484 { -485 log(DEBUG,'recv() failed for serverrec::RecvPacket(): %s',strerror(errno)); -486 log(DEBUG,'Disabling connector: %s',this->connectors[i].GetServerName().c_str()); -487 this->connectors[i].CloseConnection(); -488 this->connectors[i].SetState(STATE_DISCONNECTED); -489 if (!IsRoutable(this->connectors[i].GetServerName())) -490 { -491 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str()); -492 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -493 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -494 DoSplit(this->connectors[i].GetServerName().c_str()); -495 } -496 has_been_netsplit = true; -497 } -498 } -499 int pushed = 0; -500 if (rcvsize > 0) -501 { -502 if (!this->connectors[i].AddBuffer(data)) -503 { -504 WriteOpers('*** Read buffer for %s exceeds maximum, closing connection!',this->connectors[i].GetServerName().c_str()); -505 this->connectors[i].CloseConnection(); -506 this->connectors[i].SetState(STATE_DISCONNECTED); -507 if (!IsRoutable(this->connectors[i].GetServerName())) -508 { -509 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str()); -510 snprintf(buffer,MAXBUF,'& %s',this->connectors[i].GetServerName().c_str()); -511 NetSendToAllExcept(this->connectors[i].GetServerName().c_str(),buffer); -512 DoSplit(this->connectors[i].GetServerName().c_str()); -513 } -514 has_been_netsplit = true; -515 } -516 if (this->connectors[i].BufferIsComplete()) -517 { -518 this->connectors[i].ResetPing(); -519 while (this->connectors[i].BufferIsComplete()) -520 { -521 std::string text = this->connectors[i].GetBuffer(); -522 if (text != '') -523 { -524 if ((text[0] == ':') && (text.find(' ') != std::string::npos)) -525 { -526 std::string orig = text; -527 log(DEBUG,'Original: %s',text.c_str()); -528 std::string sum = text.substr(1,text.find(' ')-1); -529 text = text.substr(text.find(' ')+1,text.length()); -530 std::string possible_token = text.substr(1,text.find(' ')-1); -531 if (possible_token.length() > 1) -532 { -533 sums.push_back('*'); -534 text = orig; -535 log(DEBUG,'Non-mesh, non-tokenized string passed up the chain'); -536 } -537 else -538 { -539 log(DEBUG,'Packet sum: '%s'',sum.c_str()); -540 if ((already_have_sum(sum)) && (sum != '*')) -541 { -542 // we don't accept dupes -543 continue; -544 } -545 sums.push_back(sum.c_str()); -546 } -547 } -548 else sums.push_back('*'); -549 messages.push_back(text.c_str()); -550 strlcpy(recvhost,this->connectors[i].GetServerName().c_str(),160); -551 log(DEBUG,'serverrec::RecvPacket() %d:%s->%s',pushed++,recvhost,text.c_str()); -552 } -553 } -554 return true; -555 } -556 } -557 } -558 } -559 // nothing new yet -- message and host will be undefined -560 return false; -561 } -.fi -.SS "bool serverrec::SendPacket (char * message, const char * host)" -.PP -Send a message to a server by name, if the server is unavailable directly route the packet via another server If the server still cannot be reached after attempting to route the message remotely, returns false. Definition at line 350 of file servers.cpp. -.PP -References ircd_connector::AddWriteBuf(), ircd_connector::CloseConnection(), connectors, DEBUG, FindHost(), ircd_connector::FlushWriteBuf(), ircd_connector::GetServerName(), ircd_connector::GetState(), ircd_connector::GetWriteError(), ircd_connector::SetState(), and STATE_DISCONNECTED. -.PP -Referenced by BeginLink(), and MeshCookie(). -.PP -.nf -351 { -352 if ((!message) || (!sendhost)) -353 return true; -354 -355 ircd_connector* cn = this->FindHost(sendhost); -356 -357 if (!strchr(message,'\n')) -358 { -359 strlcat(message,'\n',MAXBUF); -360 } -361 -362 if (cn) -363 { -364 log(DEBUG,'main: serverrec::SendPacket() sent '%s' to %s',message,cn->GetServerName().c_str()); -365 -366 if (cn->GetState() == STATE_DISCONNECTED) -367 { -368 // fix: can only route one hop to avoid a loop -369 if (strncmp(message,'R ',2)) -370 { -371 log(DEBUG,'Not a double reroute'); -372 // this route is down, we must re-route the packet through an available point in the mesh. -373 for (int k = 0; k < this->connectors.size(); k++) -374 { -375 log(DEBUG,'Check connector %d: %s',k,this->connectors[k].GetServerName().c_str()); -376 // search for another point in the mesh which can 'reach' where we want to go -377 for (int m = 0; m < this->connectors[k].routes.size(); m++) -378 { -379 if (!strcasecmp(this->connectors[k].routes[m].c_str(),sendhost)) -380 { -381 log(DEBUG,'Found alternative route for packet: %s',this->connectors[k].GetServerName().c_str()); -382 char buffer[MAXBUF]; -383 snprintf(buffer,MAXBUF,'R %s %s',sendhost,message); -384 this->SendPacket(buffer,this->connectors[k].GetServerName().c_str()); -385 return true; -386 } -387 } -388 } -389 } -390 char buffer[MAXBUF]; -391 snprintf(buffer,MAXBUF,'& %s',sendhost); -392 WriteOpers('*** All connections to %s lost.',sendhost); -393 NetSendToAllExcept(sendhost,buffer); -394 DoSplit(sendhost); -395 return false; -396 } -397 -398 // returns false if the packet could not be sent (e.g. target host down) -399 if (!cn->AddWriteBuf(message)) -400 { -401 // if we're here, there was an error pending, and the send cannot proceed -402 log(DEBUG,'cn->AddWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str()); -403 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str()); -404 cn->CloseConnection(); -405 cn->SetState(STATE_DISCONNECTED); -406 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str()); -407 // retry the packet along a new route so either arrival OR failure are gauranteed (bugfix) -408 return this->SendPacket(message,sendhost); -409 } -410 if (!cn->FlushWriteBuf()) -411 { -412 // if we're here the write() caused an error, we cannot proceed -413 log(DEBUG,'cn->FlushWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str()); -414 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str()); -415 cn->CloseConnection(); -416 cn->SetState(STATE_DISCONNECTED); -417 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str()); -418 // retry the packet along a new route so either arrival OR failure are gauranteed -419 return this->SendPacket(message,sendhost); -420 } -421 return true; -422 } -423 } -.fi -.SS "void serverrec::TerminateLink (char * targethost)" -.PP -Terminate a link to 'targethost' by calling the \fBircd_connector::CloseConnection\fP method. Definition at line 234 of file servers.cpp. -.PP -.nf -235 { -236 // this locates the targethost in the serverrec::connectors vector of the class, -237 // and terminates it by sending it an SQUIT token and closing its descriptor. -238 // TerminateLink with a null string causes a terminate of ALL links -239 } -.fi -.SH "Member Data Documentation" -.PP -.SS "std::vector<\fBircd_connector\fP> \fBserverrec::connectors\fP" -.PP -With a serverrec, this is a list of all established server connections. Definition at line 81 of file servers.h. -.PP -Referenced by AddIncoming(), BeginLink(), FindHost(), FlushWriteBuffers(), IsRoutable(), MeshCookie(), RecvPacket(), SendPacket(), and serverrec(). -.SS "char \fBserverrec::description\fP[MAXBUF]" -.PP -Description of the server. Definition at line 61 of file servers.h. -.SS "int \fBserverrec::hops_away\fP" -.PP -number of hops away (for quick access) Definition at line 51 of file servers.h. -.PP -Referenced by serverrec(). -.SS "bool \fBserverrec::jupiter\fP" -.PP -is a JUPE server (faked to enforce a server ban) Definition at line 57 of file servers.h. -.PP -Referenced by serverrec(). -.SS "char \fBserverrec::name\fP[MAXBUF]" -.PP -server name Definition at line 36 of file servers.h. -.PP -Referenced by serverrec(). -.SS "char \fBserverrec::nickserv\fP[NICKMAX]" -.PP -Holds nickserv's name on U:lined (services) servers (this is a kludge for ircservices which ASSUMES things :/). Definition at line 65 of file servers.h. -.PP -Referenced by serverrec(). -.SS "long \fBserverrec::opercount\fP" -.PP -opers on server Definition at line 48 of file servers.h. -.PP -Referenced by serverrec(). -.SS "long \fBserverrec::pingtime\fP" -.PP -last ping response (ms) Definition at line 39 of file servers.h. -.PP -Referenced by serverrec(). -.SS "bool \fBserverrec::sync_soon\fP" -.PP -Definition at line 67 of file servers.h. -.PP -Referenced by serverrec(). -.SS "long \fBserverrec::usercount\fP" -.PP -non-invisible users on server Definition at line 45 of file servers.h. -.PP -Referenced by serverrec(). -.SS "long \fBserverrec::usercount_i\fP" -.PP -invisible users on server Definition at line 42 of file servers.h. -.PP -Referenced by serverrec(). -.SS "long \fBserverrec::version\fP" -.PP -ircd version Definition at line 54 of file servers.h. -.PP -Referenced by serverrec(). - -.SH "Author" -.PP -Generated automatically by Doxygen for InspIRCd from the source code. |