* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* ---------------------------------------------------
*/
-#include <string>
-#include <deque>
-#include <map>
+#include "inspircd.h"
#include <sqlite3.h>
-
#include "users.h"
#include "channels.h"
#include "modules.h"
-#include "inspircd.h"
-#include "configreader.h"
-
#include "m_sqlv2.h"
/* $ModDesc: sqlite3 provider */
-/* $CompileFlags: pkgconfincludes("sqlite3","/sqlite3.h","") */
+/* $CompileFlags: pkgconfversion("sqlite3","3.3") pkgconfincludes("sqlite3","/sqlite3.h","") */
/* $LinkerFlags: pkgconflibs("sqlite3","/libsqlite3.so","-lsqlite3") */
/* $ModDep: m_sqlv2.h */
-
+/* $NoPedantic */
class SQLConn;
class SQLite3Result;
+class ResultNotifier;
typedef std::map<std::string, SQLConn*> ConnMap;
typedef std::deque<classbase*> paramlist;
typedef std::deque<SQLite3Result*> ResultQueue;
+ResultNotifier* resultnotify = NULL;
+ResultNotifier* resultdispatch = NULL;
+int QueueFD = -1;
+
+class ResultNotifier : public BufferedSocket
+{
+ Module* mod;
+ insp_sockaddr sock_us;
+ socklen_t uslen;
+
+ public:
+ /* Create a socket on a random port. Let the tcp stack allocate us an available port */
+#ifdef IPV6
+ ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "::1", 0, true, 3000), mod(m)
+#else
+ ResultNotifier(InspIRCd* SI, Module* m) : BufferedSocket(SI, "127.0.0.1", 0, true, 3000), mod(m)
+#endif
+ {
+ uslen = sizeof(sock_us);
+ if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
+ {
+ throw ModuleException("Could not create random listening port on localhost");
+ }
+ }
+
+ ResultNotifier(InspIRCd* SI, Module* m, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
+ {
+ }
+
+ /* Using getsockname and ntohs, we can determine which port number we were allocated */
+ int GetPort()
+ {
+#ifdef IPV6
+ return ntohs(sock_us.sin6_port);
+#else
+ return ntohs(sock_us.sin_port);
+#endif
+ }
+
+ virtual int OnIncomingConnection(int newsock, char* ip)
+ {
+ resultdispatch = new ResultNotifier(Instance, mod, newsock, ip);
+ return true;
+ }
+
+ virtual bool OnDataReady()
+ {
+ char data = 0;
+ if (Instance->SE->Recv(this, &data, 1, 0) > 0)
+ {
+ Dispatch();
+ return true;
+ }
+ return false;
+ }
+
+ void Dispatch();
+};
+
+
class SQLite3Result : public SQLresult
{
private:
SQLfieldMap* fieldmap;
public:
- SQLite3Result(Module* self, Module* to, unsigned int id)
- : SQLresult(self, to, id), currentrow(0), rows(0), cols(0)
+ SQLite3Result(Module* self, Module* to, unsigned int rid)
+ : SQLresult(self, to, rid), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
{
}
{
}
- void AddRow(int colsnum, char **data, char **colname)
+ void AddRow(int colsnum, char **dat, char **colname)
{
colnames.clear();
cols = colsnum;
{
fieldlists.resize(fieldlists.size()+1);
colnames.push_back(colname[i]);
- SQLfield sf(data[i] ? data[i] : "", data[i] ? false : true);
- fieldlists[rows].push_back(sf);\r
+ SQLfield sf(dat[i] ? dat[i] : "", dat[i] ? false : true);
+ fieldlists[rows].push_back(sf);
}
rows++;
}
+ void UpdateAffectedCount()
+ {
+ rows++;
+ }
+
virtual int Rows()
{
return rows;
SQLConn(InspIRCd* SI, Module* m, const SQLhost& hi)
: Instance(SI), mod(m), host(hi)
{
- int result;
- if ((result = OpenDB()) == SQLITE_OK)
- {
- Instance->Log(DEBUG, "Opened sqlite DB: " + host.host);
- }
- else
+ if (OpenDB() != SQLITE_OK)
{
- Instance->Log(DEFAULT, "WARNING: Could not open DB with id: " + host.id);
+ Instance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: Could not open DB with id: " + host.id);
CloseDB();
}
}
+ ~SQLConn()
+ {
+ CloseDB();
+ }
+
SQLerror Query(SQLrequest &req)
{
/* Pointer to the buffer we screw around with substitution in */
*
* The +1 is for null-terminating the string for mysql_real_escape_string
*/
-
query = new char[req.query.q.length() + (paramlen*2) + 1];
queryend = query;
*queryend = 0;
req.query.q = query;
-// Instance->Log(DEBUG, "<******> Doing query: " + ConvToStr(req.query.q.data()));
-
SQLite3Result* res = new SQLite3Result(mod, req.GetSource(), req.id);
+ res->dbid = host.id;
res->query = req.query.q;
paramlist params;
params.push_back(this);
params.push_back(res);
char *errmsg = 0;
+ sqlite3_update_hook(conn, QueryUpdateHook, ¶ms);
if (sqlite3_exec(conn, req.query.q.data(), QueryResult, ¶ms, &errmsg) != SQLITE_OK)
{
- Instance->Log(DEBUG, "Query failed: " + ConvToStr(errmsg));
+ std::string error(errmsg);
sqlite3_free(errmsg);
delete[] query;
delete res;
- return SQLerror(QSEND_FAIL, ConvToStr(errmsg));
+ return SQLerror(QSEND_FAIL, error);
}
- Instance->Log(DEBUG, "Dispatched query successfully. ID: %d resulting rows %d", req.id, res->Rows());
delete[] query;
results.push_back(res);
-
+ SendNotify();
return SQLerror();
}
return 0;
}
+ static void QueryUpdateHook(void *params, int eventid, char const * azSQLite, char const * azColName, sqlite_int64 rowid)
+ {
+ paramlist* p = (paramlist*)params;
+ ((SQLConn*)(*p)[0])->AffectedReady(((SQLite3Result*)(*p)[1]));
+ }
+
void ResultReady(SQLite3Result *res, int cols, char **data, char **colnames)
{
res->AddRow(cols, data, colnames);
}
- void QueryDone(SQLrequest* req, int rows)
+ void AffectedReady(SQLite3Result *res)
{
- SQLite3Result* r = new SQLite3Result(mod, req->GetSource(), req->id);
- r->dbid = host.id;
- r->query = req->query.q;
+ res->UpdateAffectedCount();
}
int OpenDB()
void SendResults()
{
- if (results.size())
+ while (results.size())
{
SQLite3Result* res = results[0];
if (res->GetDest())
* the pointer to NULL. We cannot just cancel the query as the result will still come
* through at some point...and it could get messy if we play with invalid pointers...
*/
- Instance->Log(DEBUG, "Looks like we're handling a zombie query from a module which unloaded before it got a result..fun. ID: " + ConvToStr(res->GetId()));
delete res;
}
results.pop_front();
}
}
+ void ClearResults()
+ {
+ while (results.size())
+ {
+ SQLite3Result* res = results[0];
+ delete res;
+ results.pop_front();
+ }
+ }
+
+ void SendNotify()
+ {
+ if (QueueFD < 0)
+ {
+ if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+ {
+ /* crap, we're out of sockets... */
+ return;
+ }
+
+ insp_sockaddr addr;
+
+#ifdef IPV6
+ insp_aton("::1", &addr.sin6_addr);
+ addr.sin6_family = AF_FAMILY;
+ addr.sin6_port = htons(resultnotify->GetPort());
+#else
+ insp_inaddr ia;
+ insp_aton("127.0.0.1", &ia);
+ addr.sin_family = AF_FAMILY;
+ addr.sin_addr = ia;
+ addr.sin_port = htons(resultnotify->GetPort());
+#endif
+
+ if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
+ {
+ /* wtf, we cant connect to it, but we just created it! */
+ return;
+ }
+ }
+ char id = 0;
+ send(QueueFD, &id, 1, 0);
+ }
+
};
ModuleSQLite3(InspIRCd* Me)
: Module::Module(Me), currid(0)
{
- ServerInstance->UseInterface("SQLutils");
+ ServerInstance->Modules->UseInterface("SQLutils");
- if (!ServerInstance->PublishFeature("SQL", this))
+ if (!ServerInstance->Modules->PublishFeature("SQL", this))
{
- throw ModuleException("m_mysql: Unable to publish feature 'SQL'");
+ throw ModuleException("m_sqlite3: Unable to publish feature 'SQL'");
}
+ resultnotify = new ResultNotifier(ServerInstance, this);
+
ReadConf();
- ServerInstance->PublishInterface("SQL", this);
+ ServerInstance->Modules->PublishInterface("SQL", this);
+ Implementation eventlist[] = { I_OnRequest, I_OnRehash };
+ ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleSQLite3()
{
- ServerInstance->UnpublishInterface("SQL", this);
- ServerInstance->UnpublishFeature("SQL");
- ServerInstance->DoneWithInterface("SQLutils");
+ ClearQueue();
+ ClearAllConnections();
+
+ ServerInstance->SE->DelFd(resultnotify);
+ resultnotify->Close();
+ ServerInstance->BufferedSocketCull();
+
+ if (QueueFD >= 0)
+ {
+ shutdown(QueueFD, 2);
+ close(QueueFD);
+ }
+
+ if (resultdispatch)
+ {
+ ServerInstance->SE->DelFd(resultdispatch);
+ resultdispatch->Close();
+ ServerInstance->BufferedSocketCull();
+ }
+
+ ServerInstance->Modules->UnpublishInterface("SQL", this);
+ ServerInstance->Modules->UnpublishFeature("SQL");
+ ServerInstance->Modules->DoneWithInterface("SQLutils");
+ }
+
+
+ void SendQueue()
+ {
+ for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
+ {
+ iter->second->SendResults();
+ }
}
- void Implements(char* List)
+ void ClearQueue()
{
- List[I_OnRequest] = 1;
+ for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
+ {
+ iter->second->ClearResults();
+ }
}
bool HasHost(const SQLhost &host)
host.name = conf.ReadValue("database", "name", i);
host.user = conf.ReadValue("database", "username", i);
host.pass = conf.ReadValue("database", "password", i);
- host.ssl = conf.ReadFlag("database", "ssl", "0", i);
if (h == host)
return true;
}
void ReadConf()
{
- //ClearOldConnections();
+ ClearOldConnections();
ConfigReader conf(ServerInstance);
for(int i = 0; i < conf.Enumerate("database"); i++)
host.name = conf.ReadValue("database", "name", i);
host.user = conf.ReadValue("database", "username", i);
host.pass = conf.ReadValue("database", "password", i);
- host.ssl = conf.ReadFlag("database", "ssl", "0", i);
if (HasHost(host))
continue;
{
if (HasHost(hi))
{
- ServerInstance->Log(DEFAULT, "WARNING: A sqlite connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
+ ServerInstance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: A sqlite connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
return;
}
connections.insert(std::make_pair(hi.id, newconn));
}
- virtual char* OnRequest(Request* request)
+ void ClearOldConnections()
+ {
+ ConnMap::iterator iter,safei;
+ for (iter = connections.begin(); iter != connections.end(); iter++)
+ {
+ if (!HostInConf(iter->second->GetConfHost()))
+ {
+ delete iter->second;
+ safei = iter;
+ --iter;
+ connections.erase(safei);
+ }
+ }
+ }
+
+ void ClearAllConnections()
+ {
+ ConnMap::iterator i;
+ while ((i = connections.begin()) != connections.end())
+ {
+ connections.erase(i);
+ delete i->second;
+ }
+ }
+
+ virtual void OnRehash(User* user, const std::string ¶meter)
+ {
+ ReadConf();
+ }
+
+ virtual const char* OnRequest(Request* request)
{
if(strcmp(SQLREQID, request->GetId()) == 0)
{
SQLrequest* req = (SQLrequest*)request;
ConnMap::iterator iter;
- ServerInstance->Log(DEBUG, "Got query: '%s' with %d replacement parameters on id '%s'", req->query.q.c_str(), req->query.p.size(), req->dbid.c_str());
if((iter = connections.find(req->dbid)) != connections.end())
{
req->id = NewID();
return NULL;
}
}
- ServerInstance->Log(DEBUG, "Got unsupported API version string: %s", request->GetId());
return NULL;
}
virtual Version GetVersion()
{
- return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+ return Version(1,2,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
}
};
-
-class ModuleSQLite3Factory : public ModuleFactory
+void ResultNotifier::Dispatch()
{
- public:
- ModuleSQLite3Factory()
- {
- }
-
- ~ModuleSQLite3Factory()
- {
- }
-
- virtual Module * CreateModule(InspIRCd* Me)
- {
- return new ModuleSQLite3(Me);
- }
-};
-
-extern "C" void * init_module( void )
-{
- return new ModuleSQLite3Factory;
+ ((ModuleSQLite3*)mod)->SendQueue();
}
+
+MODULE_INIT(ModuleSQLite3)
projects / user / henk / code / inspircd.git / blobdiff