diff options
Diffstat (limited to 'src/modules/m_spanningtree/resolvers.cpp')
| -rw-r--r-- | src/modules/m_spanningtree/resolvers.cpp | 89 |
1 files changed, 88 insertions, 1 deletions
diff --git a/src/modules/m_spanningtree/resolvers.cpp b/src/modules/m_spanningtree/resolvers.cpp index 80971c699..0d94da99f 100644 --- a/src/modules/m_spanningtree/resolvers.cpp +++ b/src/modules/m_spanningtree/resolvers.cpp @@ -1 +1,88 @@ -/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "configreader.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "commands/cmd_whois.h"
#include "commands/cmd_stats.h"
#include "socket.h"
#include "wildcard.h"
#include "xline.h"
#include "transport.h"
#include "m_spanningtree/resolvers.h"
#include "m_spanningtree/main.h"
#include "m_spanningtree/utils.h"
#include "m_spanningtree/treeserver.h"
#include "m_spanningtree/link.h"
#include "m_spanningtree/treesocket.h"
/* $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 */
/** This class is used to resolve server hostnames during /connect and autoconnect.
* As of 1.1, the resolver system is seperated out from InspSocket, so we must do this
* resolver step first ourselves if we need it. This is totally nonblocking, and will
* callback to OnLookupComplete or OnError when completed. Once it has completed we
* will have an IP address which we can then use to continue our connection.
*/
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)
{
/* Nothing in here, folks */
}
void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)
{
/* Initiate the connection, now that we have an IP to use.
* Passing a hostname directly to InspSocket causes it to
* just bail and set its FD to -1.
*/
TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str());
if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */
{
if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) == Utils->hooks.end()))
return;
TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(),
MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]);
if (newsocket->GetFd() > -1)
{
/* We're all OK */
}
else
{
/* Something barfed, show the opers */
ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno));
delete newsocket;
Utils->DoFailOver(&MyLink);
}
}
}
void ServernameResolver::OnError(ResolverError e, const std::string &errormessage)
{
/* Ooops! */
if (query == DNS_QUERY_AAAA)
{
bool cached;
ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A);
ServerInstance->AddResolver(snr, cached);
return;
}
ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str());
Utils->DoFailOver(&MyLink);
}
\ No newline at end of file +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + +#include "inspircd.h" +#include "configreader.h" +#include "users.h" +#include "channels.h" +#include "modules.h" +#include "commands/cmd_whois.h" +#include "commands/cmd_stats.h" +#include "socket.h" +#include "wildcard.h" +#include "xline.h" +#include "transport.h" + +#include "m_spanningtree/resolvers.h" +#include "m_spanningtree/main.h" +#include "m_spanningtree/utils.h" +#include "m_spanningtree/treeserver.h" +#include "m_spanningtree/link.h" +#include "m_spanningtree/treesocket.h" + +/* $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 */ + +/** This class is used to resolve server hostnames during /connect and autoconnect. + * As of 1.1, the resolver system is seperated out from InspSocket, so we must do this + * resolver step first ourselves if we need it. This is totally nonblocking, and will + * callback to OnLookupComplete or OnError when completed. Once it has completed we + * will have an IP address which we can then use to continue our connection. + */ +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) +{ + /* Nothing in here, folks */ +} + +void ServernameResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) +{ + /* Initiate the connection, now that we have an IP to use. + * Passing a hostname directly to InspSocket causes it to + * just bail and set its FD to -1. + */ + TreeServer* CheckDupe = Utils->FindServer(MyLink.Name.c_str()); + if (!CheckDupe) /* Check that nobody tried to connect it successfully while we were resolving */ + { + + if ((!MyLink.Hook.empty()) && (Utils->hooks.find(MyLink.Hook.c_str()) == Utils->hooks.end())) + return; + + TreeSocket* newsocket = new TreeSocket(this->Utils, ServerInstance, result,MyLink.Port,false,MyLink.Timeout ? MyLink.Timeout : 10,MyLink.Name.c_str(), + MyLink.Bind, MyLink.Hook.empty() ? NULL : Utils->hooks[MyLink.Hook.c_str()]); + if (newsocket->GetFd() > -1) + { + /* We're all OK */ + } + else + { + /* Something barfed, show the opers */ + ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: %s.",MyLink.Name.c_str(),strerror(errno)); + delete newsocket; + Utils->DoFailOver(&MyLink); + } + } +} + +void ServernameResolver::OnError(ResolverError e, const std::string &errormessage) +{ + /* Ooops! */ + if (query == DNS_QUERY_AAAA) + { + bool cached; + ServernameResolver* snr = new ServernameResolver(mine, Utils, ServerInstance, host, MyLink, cached, DNS_QUERY_A); + ServerInstance->AddResolver(snr, cached); + return; + } + ServerInstance->SNO->WriteToSnoMask('l',"CONNECT: Error connecting \002%s\002: Unable to resolve hostname - %s",MyLink.Name.c_str(),errormessage.c_str()); + Utils->DoFailOver(&MyLink); +} + |