1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2008 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
15 #include "commands/cmd_whois.h"
16 #include "commands/cmd_stats.h"
20 #include "transport.h"
22 #include "m_spanningtree/resolvers.h"
23 #include "m_spanningtree/main.h"
24 #include "m_spanningtree/utils.h"
25 #include "m_spanningtree/treeserver.h"
26 #include "m_spanningtree/link.h"
27 #include "m_spanningtree/treesocket.h"
29 /* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h */
31 /** This class is used to resolve server hostnames during /connect and autoconnect.
32 * As of 1.1, the resolver system is seperated out from BufferedSocket, so we must do this
33 * resolver step first ourselves if we need it. This is totally nonblocking, and will
34 * callback to OnLookupComplete or OnError when completed. Once it has completed we
35 * will have an IP address which we can then use to continue our connection.
37 ServernameResolver::ServernameResolver(Module* me, SpanningTreeUtilities* Util, InspIRCd* Instance, const std::string &hostname, Link x, bool &cached, QueryType qt) : Resolver(Instance, hostname, qt, cached, me), MyLink(x), Utils(Util), query(qt), host(hostname), mine(me)
39 /* Nothing in here, folks */
42 void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum)
47 /* Initiate the connection, now that we have an IP to use.
48 * Passing a hostname directly to BufferedSocket causes it to
49 * just bail and set its FD to -1.
51 TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str());
52 if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
55 if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) == Utils->hooks.end()))
58 TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(),
59 MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]);
60 if (newsocket->GetFd() > -1)
66 /* Something barfed, show the opers */
67 Utils->Creator->RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
68 if (ServerInstance->SocketCull.find(newsocket) == ServerInstance->SocketCull.end())
69 ServerInstance->SocketCull[newsocket] = newsocket;
70 Utils->DoFailOver(&MyLink);
75 void ServernameResolver::OnError(ResolverError e, const std::string &errormessage)
78 if (query == DNS_QUERY_AAAA)
81 ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A);
82 ServerInstance->AddResolver(snr, cached);
85 Utils->Creator->RemoteMessage(NULL, "CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s", MyLink.Name.c_str(), errormessage.c_str() );
86 Utils->DoFailOver(&MyLink);