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-rw-r--r--docs/man/man3/serverrec.3797
1 files changed, 418 insertions, 379 deletions
diff --git a/docs/man/man3/serverrec.3 b/docs/man/man3/serverrec.3
index 128d70f37..756987d57 100644
--- a/docs/man/man3/serverrec.3
+++ b/docs/man/man3/serverrec.3
@@ -1,4 +1,4 @@
-.TH "serverrec" 3 "24 May 2005" "InspIRCd" \" -*- nroff -*-
+.TH "serverrec" 3 "25 May 2005" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
@@ -122,468 +122,507 @@ A class that defines the local server or a remote server. Definition at line 30
.PP
.SS "serverrec::serverrec ()"
.PP
-Constructor. Definition at line 42 of file servers.cpp.
+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
-43 {
-44 strlcpy(name,'',256);
-45 pingtime = 0;
-46 lastping = TIME;
-47 usercount_i = usercount = opercount = version = 0;
-48 hops_away = 1;
-49 signon = TIME;
-50 jupiter = false;
-51 fd = 0;
-52 sync_soon = false;
-53 strlcpy(nickserv,'',NICKMAX);
-54 connectors.clear();
-55 }
+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 62 of file servers.cpp.
+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
-63 {
-64 strlcpy(name,n,256);
-65 lastping = TIME;
-66 usercount_i = usercount = opercount = 0;
-67 version = ver;
-68 hops_away = 1;
-69 signon = TIME;
-70 jupiter = jupe;
-71 fd = 0;
-72 sync_soon = false;
-73 strlcpy(nickserv,'',NICKMAX);
-74 connectors.clear();
-75 }
+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 58 of file servers.cpp.
+Destructor. Definition at line 62 of file servers.cpp.
.PP
.nf
-59 {
-60 }
+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 207 of file servers.cpp.
+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
-208 {
-209 ircd_connector connector;
-210
-211 // targethost has been turned into an ip...
-212 // we dont want this as the server name.
-213 connector.SetServerName(targethost);
-214 connector.SetDescriptor(newfd);
-215 connector.SetState(STATE_NOAUTH_INBOUND);
-216 int flags = fcntl(newfd, F_GETFL, 0);
-217 fcntl(newfd, F_SETFL, flags | O_NONBLOCK);
-218 int sendbuf = 32768;
-219 int recvbuf = 32768;
-220 setsockopt(newfd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf));
-221 setsockopt(newfd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf));
-222 connector.SetHostAndPort(targethost, sourceport);
-223 connector.SetState(STATE_NOAUTH_INBOUND);
-224 log(DEBUG,'serverrec::AddIncoming() Added connection: %s:%d',targethost,sourceport);
-225 this->connectors.push_back(connector);
-226 return true;
-227 }
+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 138 of file servers.cpp.
+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
-139 {
-140 char connect[MAXBUF];
-141
-142 ircd_connector connector;
-143 ircd_connector *cn = this->FindHost(servername);
-144
+143 {
+144 char connect[MAXBUF];
145
-146 if (cn)
-147 {
-148 WriteOpers('CONNECT aborted: Server %s already exists',servername);
-149 return false;
-150 }
-151
-152
-153 if (this->fd)
-154 {
-155 if (connector.MakeOutboundConnection(targethost,newport))
-156 {
-157 // targethost has been turned into an ip...
-158 // we dont want this as the server name.
-159 connector.SetServerName(servername);
-160 snprintf(connect,MAXBUF,'S %s %s %lu %s :%s',getservername().c_str(),password,(unsigned long)myport,GetRevision().c_str(),getserverdesc().c_str());
-161 connector.SetState(STATE_NOAUTH_OUTBOUND);
-162 connector.SetHostAndPort(targethost, newport);
-163 this->connectors.push_back(connector);
-164 return this->SendPacket(connect, servername);
-165 }
-166 else
-167 {
-168 connector.SetState(STATE_DISCONNECTED);
-169 WriteOpers('Could not create outbound connection to %s:%d',targethost,newport);
-170 }
-171 }
-172 return false;
-173 }
+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 77 of file servers.cpp.
+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
-78 {
-79 sockaddr_in host_address;
-80 int flags;
-81 in_addr addy;
-82 int on = 0;
-83 struct linger linger = { 0 };
-84
-85 this->port = p;
-86
-87 fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-88 if (fd <= 0)
-89 {
-90 return false;
-91 }
-92
-93 setsockopt(fd,SOL_SOCKET,SO_REUSEADDR,(const char*)&on,sizeof(on));
-94 linger.l_onoff = 1;
-95 linger.l_linger = 1;
-96 setsockopt(fd,SOL_SOCKET,SO_LINGER,(const char*)&linger,sizeof(linger));
-97
-98 // attempt to increase socket sendq and recvq as high as its possible
-99 // to get them on linux.
-100 int sendbuf = 32768;
-101 int recvbuf = 32768;
-102 setsockopt(fd,SOL_SOCKET,SO_SNDBUF,(const void *)&sendbuf,sizeof(sendbuf));
-103 setsockopt(fd,SOL_SOCKET,SO_RCVBUF,(const void *)&recvbuf,sizeof(sendbuf));
-104
-105 memset((void*)&host_address, 0, sizeof(host_address));
-106
-107 host_address.sin_family = AF_INET;
+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 if (!strcmp(newhost,''))
-110 {
-111 host_address.sin_addr.s_addr = htonl(INADDR_ANY);
-112 }
-113 else
+109 memset((void*)&host_address, 0, sizeof(host_address));
+110
+111 host_address.sin_family = AF_INET;
+112
+113 if (!strcmp(newhost,''))
114 {
-115 inet_aton(newhost,&addy);
-116 host_address.sin_addr = addy;
-117 }
-118
-119 host_address.sin_port = htons(p);
-120
-121 if (bind(fd,(sockaddr*)&host_address,sizeof(host_address))<0)
-122 {
-123 return false;
-124 }
-125
-126 // make the socket non-blocking
-127 flags = fcntl(fd, F_GETFL, 0);
-128 fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+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 this->port = p;
-131
-132 listen(this->fd, MaxConn);
+130 // make the socket non-blocking
+131 flags = fcntl(fd, F_GETFL, 0);
+132 fcntl(fd, F_SETFL, flags | O_NONBLOCK);
133
-134 return true;
-135 }
+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 237 of file servers.cpp.
+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().
+Referenced by BeginLink(), IsRoutable(), and SendPacket().
.PP
.nf
-238 {
-239 for (int i = 0; i < this->connectors.size(); i++)
-240 {
-241 if (this->connectors[i].GetServerName() == findhost)
-242 {
-243 return &this->connectors[i];
-244 }
-245 }
-246 return NULL;
-247 }
+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 249 of file servers.cpp.
+Flushes all data waiting to be written for all of this server's connections. Definition at line 284 of file servers.cpp.
.PP
-References connectors, and STATE_DISCONNECTED.
+References connectors, has_been_netsplit, IsRoutable(), STATE_DISCONNECTED, STATE_NOAUTH_INBOUND, STATE_NOAUTH_OUTBOUND, and TIME.
.PP
.nf
-250 {
-251 for (int i = 0; i < this->connectors.size(); i++)
-252 {
-253 if (this->connectors[i].GetState() != STATE_DISCONNECTED)
-254 {
-255 if (!this->connectors[i].CheckPing())
-256 {
-257 WriteOpers('*** Lost single connection to %s: Ping timeout',this->connectors[i].GetServerName().c_str());
-258 this->connectors[i].CloseConnection();
-259 this->connectors[i].SetState(STATE_DISCONNECTED);
-260 }
-261 }
-262 if (this->connectors[i].HasBufferedOutput())
-263 {
-264 if (!this->connectors[i].FlushWriteBuf())
-265 {
-266 // if we're here the write() caused an error, we cannot proceed
-267 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',this->connectors[i].GetServerName().c_str(),this->connectors[i].GetWriteError().c_str());
-268 this->connectors[i].CloseConnection();
-269 this->connectors[i].SetState(STATE_DISCONNECTED);
-270 }
-271 }
-272 }
-273 }
+285 {
+286 for (int i = 0; i < this->connectors.size(); i++)
+287 {
+288 // don't try and ping a NOAUTH_OUTBOUND state, its not authed yet!
+289 if ((this->connectors[i].GetState() == STATE_NOAUTH_OUTBOUND) && (TIME > this->connectors[i].age+30))
+290 {
+291 // however if we reach this timer its connected timed out :)
+292 WriteOpers('*** Connection to %s timed out',this->connectors[i].GetServerName().c_str());
+293 DoSplit(this->connectors[i].GetServerName().c_str());
+294 return;
+295 }
+296 else if ((this->connectors[i].GetState() == STATE_NOAUTH_INBOUND) && (TIME > this->connectors[i].age+30))
+297 {
+298 WriteOpers('*** Connection from %s timed out',this->connectors[i].GetServerName().c_str());
+299 DoSplit(this->connectors[i].GetServerName().c_str());
+300 return;
+301 }
+302 else if (this->connectors[i].GetState() != STATE_DISCONNECTED)
+303 {
+304 if (!this->connectors[i].CheckPing())
+305 {
+306 WriteOpers('*** Lost single connection to %s: Ping timeout',this->connectors[i].GetServerName().c_str());
+307 this->connectors[i].CloseConnection();
+308 this->connectors[i].SetState(STATE_DISCONNECTED);
+309 if (!IsRoutable(this->connectors[i].GetServerName()))
+310 {
+311 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str());
+312 DoSplit(this->connectors[i].GetServerName().c_str());
+313 }
+314 has_been_netsplit = true;
+315 }
+316 }
+317 if (this->connectors[i].HasBufferedOutput())
+318 {
+319 if (!this->connectors[i].FlushWriteBuf())
+320 {
+321 // if we're here the write() caused an error, we cannot proceed
+322 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',this->connectors[i].GetServerName().c_str(),this->connectors[i].GetWriteError().c_str());
+323 this->connectors[i].CloseConnection();
+324 this->connectors[i].SetState(STATE_DISCONNECTED);
+325 if (!IsRoutable(this->connectors[i].GetServerName()))
+326 {
+327 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str());
+328 DoSplit(this->connectors[i].GetServerName().c_str());
+329 }
+330 has_been_netsplit = true;
+331 }
+332 }
+333 }
+334 }
.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 176 of file servers.cpp.
+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_CONNECTED, STATE_DISCONNECTED, and STATE_NOAUTH_OUTBOUND.
+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
-177 {
-178 char connect[MAXBUF];
-179
-180 ircd_connector connector;
-181
-182 WriteOpers('Establishing meshed link to %s:%d',servername,newport);
-183
-184 if (this->fd)
-185 {
-186 if (connector.MakeOutboundConnection(targethost,newport))
-187 {
-188 // targethost has been turned into an ip...
-189 // we dont want this as the server name.
-190 connector.SetServerName(servername);
-191 snprintf(connect,MAXBUF,'- %lu %s :%s',cookie,getservername().c_str(),getserverdesc().c_str());
-192 connector.SetState(STATE_NOAUTH_OUTBOUND);
-193 connector.SetHostAndPort(targethost, newport);
-194 connector.SetState(STATE_CONNECTED);
-195 this->connectors.push_back(connector);
-196 return this->SendPacket(connect, servername);
-197 }
-198 else
-199 {
-200 connector.SetState(STATE_DISCONNECTED);
-201 WriteOpers('Could not create outbound connection to %s:%d',targethost,newport);
+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 }
-204 return false;
-205 }
+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 370 of file servers.cpp.
+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 431 of file servers.cpp.
.PP
-References already_have_sum(), connectors, DEBUG, and STATE_DISCONNECTED.
+References already_have_sum(), connectors, DEBUG, has_been_netsplit, IsRoutable(), and STATE_DISCONNECTED.
.PP
.nf
-371 {
-372 char data[65536];
-373 memset(data, 0, 65536);
-374 for (int i = 0; i < this->connectors.size(); i++)
-375 {
-376 if (this->connectors[i].GetState() != STATE_DISCONNECTED)
-377 {
-378 // returns false if the packet could not be sent (e.g. target host down)
-379 int rcvsize = 0;
-380
-381 // check if theres any data on this socket
-382 // if not, continue onwards to the next.
-383 pollfd polls;
-384 polls.fd = this->connectors[i].GetDescriptor();
-385 polls.events = POLLIN;
-386 int ret = poll(&polls,1,1);
-387 if (ret <= 0) continue;
-388
-389 rcvsize = recv(this->connectors[i].GetDescriptor(),data,65000,0);
-390 data[rcvsize] = '\0';
-391 if (rcvsize == -1)
-392 {
-393 if (errno != EAGAIN)
-394 {
-395 log(DEBUG,'recv() failed for serverrec::RecvPacket(): %s',strerror(errno));
-396 log(DEBUG,'Disabling connector: %s',this->connectors[i].GetServerName().c_str());
-397 this->connectors[i].CloseConnection();
-398 this->connectors[i].SetState(STATE_DISCONNECTED);
-399 }
-400 }
-401 int pushed = 0;
-402 if (rcvsize > 0)
-403 {
-404 if (!this->connectors[i].AddBuffer(data))
-405 {
-406 WriteOpers('*** Read buffer for %s exceeds maximum, closing connection!',this->connectors[i].GetServerName().c_str());
-407 this->connectors[i].CloseConnection();
-408 this->connectors[i].SetState(STATE_DISCONNECTED);
-409 }
-410 if (this->connectors[i].BufferIsComplete())
-411 {
-412 this->connectors[i].ResetPing();
-413 while (this->connectors[i].BufferIsComplete())
-414 {
-415 std::string text = this->connectors[i].GetBuffer();
-416 if (text != '')
-417 {
-418 if ((text[0] == ':') && (text.find(' ') != std::string::npos))
-419 {
-420 std::string orig = text;
-421 log(DEBUG,'Original: %s',text.c_str());
-422 std::string sum = text.substr(1,text.find(' ')-1);
-423 text = text.substr(text.find(' ')+1,text.length());
-424 std::string possible_token = text.substr(1,text.find(' ')-1);
-425 if (possible_token.length() > 1)
-426 {
-427 sums.push_back('*');
-428 text = orig;
-429 log(DEBUG,'Non-mesh, non-tokenized string passed up the chain');
-430 }
-431 else
-432 {
-433 log(DEBUG,'Packet sum: '%s'',sum.c_str());
-434 if ((already_have_sum(sum)) && (sum != '*'))
-435 {
-436 // we don't accept dupes
-437 continue;
-438 }
-439 sums.push_back(sum.c_str());
-440 }
-441 }
-442 else sums.push_back('*');
-443 messages.push_back(text.c_str());
-444 strlcpy(recvhost,this->connectors[i].GetServerName().c_str(),160);
-445 log(DEBUG,'serverrec::RecvPacket() %d:%s->%s',pushed++,recvhost,text.c_str());
-446 }
-447 }
-448 return true;
-449 }
-450 }
-451 }
-452 }
-453 // nothing new yet -- message and host will be undefined
-454 return false;
-455 }
+432 {
+433 char data[65536];
+434 memset(data, 0, 65536);
+435 for (int i = 0; i < this->connectors.size(); i++)
+436 {
+437 if (this->connectors[i].GetState() != STATE_DISCONNECTED)
+438 {
+439 // returns false if the packet could not be sent (e.g. target host down)
+440 int rcvsize = 0;
+441
+442 // check if theres any data on this socket
+443 // if not, continue onwards to the next.
+444 pollfd polls;
+445 polls.fd = this->connectors[i].GetDescriptor();
+446 polls.events = POLLIN;
+447 int ret = poll(&polls,1,1);
+448 if (ret <= 0) continue;
+449
+450 rcvsize = recv(this->connectors[i].GetDescriptor(),data,65000,0);
+451 data[rcvsize] = '\0';
+452 if (rcvsize == -1)
+453 {
+454 if (errno != EAGAIN)
+455 {
+456 log(DEBUG,'recv() failed for serverrec::RecvPacket(): %s',strerror(errno));
+457 log(DEBUG,'Disabling connector: %s',this->connectors[i].GetServerName().c_str());
+458 this->connectors[i].CloseConnection();
+459 this->connectors[i].SetState(STATE_DISCONNECTED);
+460 if (!IsRoutable(this->connectors[i].GetServerName()))
+461 {
+462 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str());
+463 DoSplit(this->connectors[i].GetServerName().c_str());
+464 }
+465 has_been_netsplit = true;
+466 }
+467 }
+468 int pushed = 0;
+469 if (rcvsize > 0)
+470 {
+471 if (!this->connectors[i].AddBuffer(data))
+472 {
+473 WriteOpers('*** Read buffer for %s exceeds maximum, closing connection!',this->connectors[i].GetServerName().c_str());
+474 this->connectors[i].CloseConnection();
+475 this->connectors[i].SetState(STATE_DISCONNECTED);
+476 if (!IsRoutable(this->connectors[i].GetServerName()))
+477 {
+478 WriteOpers('*** Server %s is no longer routable, disconnecting.',this->connectors[i].GetServerName().c_str());
+479 DoSplit(this->connectors[i].GetServerName().c_str());
+480 }
+481 has_been_netsplit = true;
+482 }
+483 if (this->connectors[i].BufferIsComplete())
+484 {
+485 this->connectors[i].ResetPing();
+486 while (this->connectors[i].BufferIsComplete())
+487 {
+488 std::string text = this->connectors[i].GetBuffer();
+489 if (text != '')
+490 {
+491 if ((text[0] == ':') && (text.find(' ') != std::string::npos))
+492 {
+493 std::string orig = text;
+494 log(DEBUG,'Original: %s',text.c_str());
+495 std::string sum = text.substr(1,text.find(' ')-1);
+496 text = text.substr(text.find(' ')+1,text.length());
+497 std::string possible_token = text.substr(1,text.find(' ')-1);
+498 if (possible_token.length() > 1)
+499 {
+500 sums.push_back('*');
+501 text = orig;
+502 log(DEBUG,'Non-mesh, non-tokenized string passed up the chain');
+503 }
+504 else
+505 {
+506 log(DEBUG,'Packet sum: '%s'',sum.c_str());
+507 if ((already_have_sum(sum)) && (sum != '*'))
+508 {
+509 // we don't accept dupes
+510 continue;
+511 }
+512 sums.push_back(sum.c_str());
+513 }
+514 }
+515 else sums.push_back('*');
+516 messages.push_back(text.c_str());
+517 strlcpy(recvhost,this->connectors[i].GetServerName().c_str(),160);
+518 log(DEBUG,'serverrec::RecvPacket() %d:%s->%s',pushed++,recvhost,text.c_str());
+519 }
+520 }
+521 return true;
+522 }
+523 }
+524 }
+525 }
+526 // nothing new yet -- message and host will be undefined
+527 return false;
+528 }
.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 275 of file servers.cpp.
+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 336 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
-276 {
-277 if ((!message) || (!sendhost))
-278 return true;
-279
-280 ircd_connector* cn = this->FindHost(sendhost);
-281
-282 if (!strchr(message,'\n'))
-283 {
-284 strlcat(message,'\n',MAXBUF);
-285 }
-286
-287 if (cn)
-288 {
-289 log(DEBUG,'main: serverrec::SendPacket() sent '%s' to %s',message,cn->GetServerName().c_str());
-290
-291 if (cn->GetState() == STATE_DISCONNECTED)
-292 {
-293 // fix: can only route one hop to avoid a loop
-294 if (strncmp(message,'R ',2))
-295 {
-296 log(DEBUG,'Not a double reroute');
-297 // this route is down, we must re-route the packet through an available point in the mesh.
-298 for (int k = 0; k < this->connectors.size(); k++)
-299 {
-300 log(DEBUG,'Check connector %d: %s',k,this->connectors[k].GetServerName().c_str());
-301 // search for another point in the mesh which can 'reach' where we want to go
-302 for (int m = 0; m < this->connectors[k].routes.size(); m++)
-303 {
-304 if (!strcasecmp(this->connectors[k].routes[m].c_str(),sendhost))
-305 {
-306 log(DEBUG,'Found alternative route for packet: %s',this->connectors[k].GetServerName().c_str());
-307 char buffer[MAXBUF];
-308 snprintf(buffer,MAXBUF,'R %s %s',sendhost,message);
-309 this->SendPacket(buffer,this->connectors[k].GetServerName().c_str());
-310 return true;
-311 }
-312 }
-313 }
-314 }
-315 char buffer[MAXBUF];
-316 snprintf(buffer,MAXBUF,'& %s',sendhost);
-317 WriteOpers('*** All connections to %s lost.',sendhost);
-318 NetSendToAllExcept(sendhost,buffer);
-319 DoSplit(sendhost);
-320 return false;
-321 }
-322
-323 // returns false if the packet could not be sent (e.g. target host down)
-324 if (!cn->AddWriteBuf(message))
-325 {
-326 // if we're here, there was an error pending, and the send cannot proceed
-327 log(DEBUG,'cn->AddWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str());
-328 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str());
-329 cn->CloseConnection();
-330 cn->SetState(STATE_DISCONNECTED);
-331 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str());
-332 // retry the packet along a new route so either arrival OR failure are gauranteed (bugfix)
-333 return this->SendPacket(message,sendhost);
-334 }
-335 if (!cn->FlushWriteBuf())
-336 {
-337 // if we're here the write() caused an error, we cannot proceed
-338 log(DEBUG,'cn->FlushWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str());
-339 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str());
-340 cn->CloseConnection();
-341 cn->SetState(STATE_DISCONNECTED);
-342 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str());
-343 // retry the packet along a new route so either arrival OR failure are gauranteed
-344 return this->SendPacket(message,sendhost);
-345 }
-346 return true;
-347 }
-348 }
+337 {
+338 if ((!message) || (!sendhost))
+339 return true;
+340
+341 ircd_connector* cn = this->FindHost(sendhost);
+342
+343 if (!strchr(message,'\n'))
+344 {
+345 strlcat(message,'\n',MAXBUF);
+346 }
+347
+348 if (cn)
+349 {
+350 log(DEBUG,'main: serverrec::SendPacket() sent '%s' to %s',message,cn->GetServerName().c_str());
+351
+352 if (cn->GetState() == STATE_DISCONNECTED)
+353 {
+354 // fix: can only route one hop to avoid a loop
+355 if (strncmp(message,'R ',2))
+356 {
+357 log(DEBUG,'Not a double reroute');
+358 // this route is down, we must re-route the packet through an available point in the mesh.
+359 for (int k = 0; k < this->connectors.size(); k++)
+360 {
+361 log(DEBUG,'Check connector %d: %s',k,this->connectors[k].GetServerName().c_str());
+362 // search for another point in the mesh which can 'reach' where we want to go
+363 for (int m = 0; m < this->connectors[k].routes.size(); m++)
+364 {
+365 if (!strcasecmp(this->connectors[k].routes[m].c_str(),sendhost))
+366 {
+367 log(DEBUG,'Found alternative route for packet: %s',this->connectors[k].GetServerName().c_str());
+368 char buffer[MAXBUF];
+369 snprintf(buffer,MAXBUF,'R %s %s',sendhost,message);
+370 this->SendPacket(buffer,this->connectors[k].GetServerName().c_str());
+371 return true;
+372 }
+373 }
+374 }
+375 }
+376 char buffer[MAXBUF];
+377 snprintf(buffer,MAXBUF,'& %s',sendhost);
+378 WriteOpers('*** All connections to %s lost.',sendhost);
+379 NetSendToAllExcept(sendhost,buffer);
+380 DoSplit(sendhost);
+381 return false;
+382 }
+383
+384 // returns false if the packet could not be sent (e.g. target host down)
+385 if (!cn->AddWriteBuf(message))
+386 {
+387 // if we're here, there was an error pending, and the send cannot proceed
+388 log(DEBUG,'cn->AddWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str());
+389 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str());
+390 cn->CloseConnection();
+391 cn->SetState(STATE_DISCONNECTED);
+392 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str());
+393 // retry the packet along a new route so either arrival OR failure are gauranteed (bugfix)
+394 return this->SendPacket(message,sendhost);
+395 }
+396 if (!cn->FlushWriteBuf())
+397 {
+398 // if we're here the write() caused an error, we cannot proceed
+399 log(DEBUG,'cn->FlushWriteBuf() failed for serverrec::SendPacket(): %s',cn->GetWriteError().c_str());
+400 log(DEBUG,'Disabling connector: %s',cn->GetServerName().c_str());
+401 cn->CloseConnection();
+402 cn->SetState(STATE_DISCONNECTED);
+403 WriteOpers('*** Lost single connection to %s, link inactive and retrying: %s',cn->GetServerName().c_str(),cn->GetWriteError().c_str());
+404 // retry the packet along a new route so either arrival OR failure are gauranteed
+405 return this->SendPacket(message,sendhost);
+406 }
+407 return true;
+408 }
+409 }
.fi
.SS "void serverrec::TerminateLink (char * targethost)"
.PP
-Terminate a link to 'targethost' by calling the \fBircd_connector::CloseConnection\fP method. Definition at line 229 of file servers.cpp.
+Terminate a link to 'targethost' by calling the \fBircd_connector::CloseConnection\fP method. Definition at line 234 of file servers.cpp.
.PP
.nf
-230 {
-231 // this locates the targethost in the serverrec::connectors vector of the class,
-232 // and terminates it by sending it an SQUIT token and closing its descriptor.
-233 // TerminateLink with a null string causes a terminate of ALL links
-234 }
+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
@@ -591,7 +630,7 @@ Terminate a link to 'targethost' by calling the \fBircd_connector::CloseConnecti
.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(), MeshCookie(), RecvPacket(), SendPacket(), and serverrec().
+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.
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-21 05:21:42 +0000