-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 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
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "m_sqlv2.h"
/* $ModDesc: MsSQL provider */
+/* $CompileFlags: exec("grep VERSION_NO /usr/include/tdsver.h 2>/dev/null | perl -e 'print "-D_TDSVER=".((<> =~ /freetds v(\d+\.\d+)/i) ? $1*100 : 0);'") */
/* $LinkerFlags: -ltds */
/* $ModDep: m_sqlv2.h */
class SQLConn;
class MsSQLResult;
class ResultNotifier;
+class MsSQLListener;
+class ModuleMsSQL;
typedef std::map<std::string, SQLConn*> ConnMap;
-typedef std::deque<classbase*> paramlist;
typedef std::deque<MsSQLResult*> ResultQueue;
-ResultNotifier* resultnotify = NULL;
+ResultNotifier* notifier = NULL;
+MsSQLListener* listener = NULL;
+int QueueFD = -1;
+ConnMap connections;
+Mutex* QueueMutex;
+Mutex* ResultsMutex;
+Mutex* LoggingMutex;
+
+class QueryThread : public Thread
+{
+ private:
+ ModuleMsSQL* Parent;
+ InspIRCd* ServerInstance;
+ public:
+ QueryThread(InspIRCd* si, ModuleMsSQL* mod)
+ : Thread(), Parent(mod), ServerInstance(si)
+ {
+ }
+ ~QueryThread() { }
+ virtual void Run();
+};
class ResultNotifier : public BufferedSocket
{
- Module* mod;
- insp_sockaddr sock_us;
+ ModuleMsSQL* mod;
+
+ public:
+ ResultNotifier(ModuleMsSQL* m, InspIRCd* SI, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
+ {
+ }
+
+ virtual bool OnDataReady()
+ {
+ char data = 0;
+ if (ServerInstance->SE->Recv(this, &data, 1, 0) > 0)
+ {
+ Dispatch();
+ return true;
+ }
+ return false;
+ }
+
+ void Dispatch();
+};
+
+class MsSQLListener : public ListenSocketBase
+{
+ ModuleMsSQL* Parent;
+ irc::sockets::insp_sockaddr sock_us;
socklen_t uslen;
+ FileReader* index;
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
+ MsSQLListener(ModuleMsSQL* P, InspIRCd* Instance, int port, const std::string &addr) : ListenSocketBase(Instance, port, addr), Parent(P)
{
uslen = sizeof(sock_us);
if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
{
- throw ModuleException("Could not create random listening port on localhost");
+ throw ModuleException("Could not getsockname() to find out port number for ITC port");
}
}
- ResultNotifier(InspIRCd* SI, Module* m, int newfd, char* ip) : BufferedSocket(SI, newfd, ip), mod(m)
+ virtual void OnAcceptReady(const std::string &ipconnectedto, int nfd, const std::string &incomingip)
{
+ new ResultNotifier(this->Parent, this->ServerInstance, nfd, (char *)ipconnectedto.c_str()); // XXX unsafe casts suck
}
/* Using getsockname and ntohs, we can determine which port number we were allocated */
return ntohs(sock_us.sin_port);
#endif
}
-
- virtual int OnIncomingConnection(int newsock, char* ip)
- {
- Dispatch();
- return false;
- }
-
- void Dispatch();
};
class MsSQLResult : public SQLresult
{
- private:
+ private:
int currentrow;
int rows;
int cols;
SQLfieldList* fieldlist;
SQLfieldMap* fieldmap;
- public:
+ public:
MsSQLResult(Module* self, Module* to, unsigned int rid)
: SQLresult(self, to, rid), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
{
class SQLConn : public classbase
{
- private:
+ private:
ResultQueue results;
- InspIRCd* Instance;
+ InspIRCd* ServerInstance;
Module* mod;
SQLhost host;
TDSLOGIN* login;
TDSSOCKET* sock;
- TDSCONNECTION* conn;
+ TDSCONTEXT* context;
+
+ public:
+ QueryQueue queue;
- public:
SQLConn(InspIRCd* SI, Module* m, const SQLhost& hi)
- : Instance(SI), mod(m), host(hi)
+ : ServerInstance(SI), mod(m), host(hi), login(NULL), sock(NULL), context(NULL)
{
- if (OpenDB() == TDS_SUCCEED)
+ if (OpenDB())
{
std::string query("USE " + host.name);
if (tds_submit_query(sock, query.c_str()) == TDS_SUCCEED)
{
if (tds_process_simple_query(sock) != TDS_SUCCEED)
{
- Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
+ LoggingMutex->Lock();
+ ServerInstance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
+ LoggingMutex->Unlock();
CloseDB();
}
}
else
{
- Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
+ LoggingMutex->Lock();
+ ServerInstance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not select database " + host.name + " for DB with id: " + host.id);
+ LoggingMutex->Unlock();
CloseDB();
}
}
else
{
- Instance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not connect to DB with id: " + host.id);
+ LoggingMutex->Lock();
+ ServerInstance->Logs->Log("m_mssql",DEFAULT, "WARNING: Could not connect to DB with id: " + host.id);
+ LoggingMutex->Unlock();
CloseDB();
}
}
SQLerror Query(SQLrequest &req)
{
if (!sock)
- return SQLerror(BAD_CONN, "Socket was NULL, check if SQL server is running.");
-
+ return SQLerror(SQL_BAD_CONN, "Socket was NULL, check if SQL server is running.");
+
/* Pointer to the buffer we screw around with substitution in */
char* query;
/* Total length of the unescaped parameters */
unsigned long paramlen;
- /* Total length of query, used for binary-safety in mysql_real_query */
+ /* Total length of query, used for binary-safety */
unsigned long querylength = 0;
paramlen = 0;
escend++;
}
*escend = 0;
-
+
for (char* n = escaped; *n; n++)
{
*queryend = *n;
*queryend = 0;
req.query.q = query;
- MsSQLResult* res = new MsSQLResult(mod, req.GetSource(), req.id);
+ MsSQLResult* res = new MsSQLResult((Module*)mod, req.GetSource(), req.id);
res->dbid = host.id;
res->query = req.query.q;
char* msquery = strdup(req.query.q.data());
- Instance->Logs->Log("m_mssql",DEBUG,"doing Query: %s",msquery);
+ LoggingMutex->Lock();
+ ServerInstance->Logs->Log("m_mssql",DEBUG,"doing Query: %s",msquery);
+ LoggingMutex->Unlock();
if (tds_submit_query(sock, msquery) != TDS_SUCCEED)
{
std::string error("failed to execute: "+std::string(req.query.q.data()));
delete[] query;
delete res;
free(msquery);
- return SQLerror(QSEND_FAIL, error);
+ return SQLerror(SQL_QSEND_FAIL, error);
}
delete[] query;
free(msquery);
-
+
int tds_res;
while (tds_process_tokens(sock, &tds_res, NULL, TDS_TOKEN_RESULTS) == TDS_SUCCEED)
{
- //Instance->Logs->Log("m_mssql",DEBUG,"<******> result type: %d", tds_res);
- //Instance->Logs->Log("m_mssql",DEBUG,"AFFECTED ROWS: %d", sock->rows_affected);
+ //ServerInstance->Logs->Log("m_mssql",DEBUG,"<******> result type: %d", tds_res);
+ //ServerInstance->Logs->Log("m_mssql",DEBUG,"AFFECTED ROWS: %d", sock->rows_affected);
switch (tds_res)
{
case TDS_ROWFMT_RESULT:
unsigned char* src;
CONV_RESULT dres;
ctype = tds_get_conversion_type(col->column_type, col->column_size);
- src = &(sock->current_results->current_row[col->column_offset]);
+#if _TDSVER >= 82
+ src = col->column_data;
+#else
+ src = &(sock->current_results->current_row[col->column_offset]);
+#endif
srclen = col->column_cur_size;
tds_convert(sock->tds_ctx, ctype, (TDS_CHAR *) src, srclen, SYBCHAR, &dres);
data[j] = (char*)dres.ib;
default:
break;
- }
+ }
}
+ ResultsMutex->Lock();
results.push_back(res);
+ ResultsMutex->Unlock();
SendNotify();
return SQLerror();
}
static int HandleMessage(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
{
SQLConn* sc = (SQLConn*)pContext->parent;
- sc->Instance->Logs->Log("m_mssql", DEBUG, "Message for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
+ LoggingMutex->Lock();
+ sc->ServerInstance->Logs->Log("m_mssql", DEBUG, "Message for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
+ LoggingMutex->Unlock();
return 0;
}
static int HandleError(const TDSCONTEXT * pContext, TDSSOCKET * pTdsSocket, TDSMESSAGE * pMessage)
{
SQLConn* sc = (SQLConn*)pContext->parent;
- sc->Instance->Logs->Log("m_mssql", DEFAULT, "Error for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
+ LoggingMutex->Lock();
+ sc->ServerInstance->Logs->Log("m_mssql", DEFAULT, "Error for DB with id: %s -> %s", sc->host.id.c_str(), pMessage->message);
+ LoggingMutex->Unlock();
return 0;
}
res->UpdateAffectedCount();
}
- int OpenDB()
+ bool OpenDB()
{
CloseDB();
- TDSCONTEXT* cont;
- cont = tds_alloc_context(this);
- cont->msg_handler = HandleMessage;
- cont->err_handler = HandleError;
+ TDSCONNECTION* conn = NULL;
login = tds_alloc_login();
+ tds_set_app(login, "TSQL");
tds_set_library(login,"TDS-Library");
tds_set_host(login, "");
tds_set_server(login, host.host.c_str());
tds_set_port(login, host.port);
tds_set_packet(login, 512);
- sock = tds_alloc_socket(cont, 512);
- conn = tds_read_config_info(NULL, login, cont->locale);
- return tds_connect(sock, conn);
+ context = tds_alloc_context(this);
+ context->msg_handler = HandleMessage;
+ context->err_handler = HandleError;
+
+ sock = tds_alloc_socket(context, 512);
+ tds_set_parent(sock, NULL);
+
+ conn = tds_read_config_info(NULL, login, context->locale);
+
+ if (tds_connect(sock, conn) == TDS_SUCCEED)
+ {
+ tds_free_connection(conn);
+ return 1;
+ }
+ tds_free_connection(conn);
+ return 0;
}
void CloseDB()
{
- if (login)
- tds_free_login(login);
if (sock)
+ {
tds_free_socket(sock);
- if (conn)
- tds_free_connection(conn);
- login = NULL;
- sock = NULL;
- conn = NULL;
+ sock = NULL;
+ }
+ if (context)
+ {
+ tds_free_context(context);
+ context = NULL;
+ }
+ if (login)
+ {
+ tds_free_login(login);
+ login = NULL;
+ }
}
SQLhost GetConfHost()
while (results.size())
{
MsSQLResult* res = results[0];
+ ResultsMutex->Lock();
if (res->GetDest())
{
res->Send();
delete res;
}
results.pop_front();
+ ResultsMutex->Unlock();
}
}
void SendNotify()
{
- int QueueFD;
- if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+ if (QueueFD < 0)
{
- /* crap, we're out of sockets... */
- return;
- }
+ if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+ {
+ /* crap, we're out of sockets... */
+ return;
+ }
- insp_sockaddr addr;
+ irc::sockets::insp_sockaddr addr;
#ifdef IPV6
- insp_aton("::1", &addr.sin6_addr);
- addr.sin6_family = AF_FAMILY;
- addr.sin6_port = htons(resultnotify->GetPort());
+ irc::sockets::insp_aton("::1", &addr.sin6_addr);
+ addr.sin6_family = AF_FAMILY;
+ addr.sin6_port = htons(listener->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());
+ irc::sockets::insp_inaddr ia;
+ irc::sockets::insp_aton("127.0.0.1", &ia);
+ addr.sin_family = AF_FAMILY;
+ addr.sin_addr = ia;
+ addr.sin_port = htons(listener->GetPort());
#endif
- if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
- {
- /* wtf, we cant connect to it, but we just created it! */
- return;
+ 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);
+ }
+
+ void DoLeadingQuery()
+ {
+ SQLrequest& req = queue.front();
+ req.error = Query(req);
}
};
class ModuleMsSQL : public Module
{
- private:
- ConnMap connections;
+ private:
unsigned long currid;
+ QueryThread* queryDispatcher;
- public:
+ public:
ModuleMsSQL(InspIRCd* Me)
- : Module::Module(Me), currid(0)
+ : Module(Me), currid(0)
{
+ LoggingMutex = ServerInstance->Mutexes->CreateMutex();
+ ResultsMutex = ServerInstance->Mutexes->CreateMutex();
+ QueueMutex = ServerInstance->Mutexes->CreateMutex();
+
ServerInstance->Modules->UseInterface("SQLutils");
if (!ServerInstance->Modules->PublishFeature("SQL", this))
throw ModuleException("m_mssql: Unable to publish feature 'SQL'");
}
- resultnotify = new ResultNotifier(ServerInstance, this);
+ /* Create a socket on a random port. Let the tcp stack allocate us an available port */
+#ifdef IPV6
+ listener = new MsSQLListener(this, ServerInstance, 0, "::1");
+#else
+ listener = new MsSQLListener(this, ServerInstance, 0, "127.0.0.1");
+#endif
+
+ if (listener->GetFd() == -1)
+ {
+ ServerInstance->Modules->DoneWithInterface("SQLutils");
+ throw ModuleException("m_mssql: unable to create ITC pipe");
+ }
+ else
+ {
+ LoggingMutex->Lock();
+ ServerInstance->Logs->Log("m_mssql", DEBUG, "MsSQL: Interthread comms port is %d", listener->GetPort());
+ LoggingMutex->Unlock();
+ }
ReadConf();
+ queryDispatcher = new QueryThread(ServerInstance, this);
+ ServerInstance->Threads->Create(queryDispatcher);
+
ServerInstance->Modules->PublishInterface("SQL", this);
Implementation eventlist[] = { I_OnRequest, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 2);
virtual ~ModuleMsSQL()
{
+ delete queryDispatcher;
ClearQueue();
ClearAllConnections();
- resultnotify->SetFd(-1);
- resultnotify->state = I_ERROR;
- resultnotify->OnError(I_ERR_SOCKET);
- resultnotify->ClosePending = true;
- delete resultnotify;
+
+ ServerInstance->SE->DelFd(listener);
+ ServerInstance->BufferedSocketCull();
+
+ if (QueueFD >= 0)
+ {
+ shutdown(QueueFD, 2);
+ close(QueueFD);
+ }
+
+ if (notifier)
+ {
+ ServerInstance->SE->DelFd(notifier);
+ notifier->Close();
+ ServerInstance->BufferedSocketCull();
+ }
+
ServerInstance->Modules->UnpublishInterface("SQL", this);
ServerInstance->Modules->UnpublishFeature("SQL");
ServerInstance->Modules->DoneWithInterface("SQLutils");
+
+ delete LoggingMutex;
+ delete ResultsMutex;
+ delete QueueMutex;
}
}
return false;
}
-
+
void ReadConf()
{
ClearOldConnections();
{
if (HasHost(hi))
{
+ LoggingMutex->Lock();
ServerInstance->Logs->Log("m_mssql",DEFAULT, "WARNING: A MsSQL connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
+ LoggingMutex->Unlock();
return;
}
virtual void OnRehash(User* user, const std::string ¶meter)
{
+ QueueMutex->Lock();
ReadConf();
+ QueueMutex->Unlock();
}
virtual const char* OnRequest(Request* request)
if(strcmp(SQLREQID, request->GetId()) == 0)
{
SQLrequest* req = (SQLrequest*)request;
+
+ QueueMutex->Lock();
+
ConnMap::iterator iter;
+
+ const char* returnval = NULL;
+
if((iter = connections.find(req->dbid)) != connections.end())
{
req->id = NewID();
- req->error = iter->second->Query(*req);
- return SQLSUCCESS;
+ iter->second->queue.push(*req);
+ returnval= SQLSUCCESS;
}
else
{
- req->error.Id(BAD_DBID);
- return NULL;
+ req->error.Id(SQL_BAD_DBID);
}
+
+ QueueMutex->Unlock();
+
+ return returnval;
}
return NULL;
}
virtual Version GetVersion()
{
- return Version(1,0,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
+ return Version("$Id$", VF_VENDOR | VF_SERVICEPROVIDER, API_VERSION);
}
};
void ResultNotifier::Dispatch()
{
- ((ModuleMsSQL*)mod)->SendQueue();
+ mod->SendQueue();
+}
+
+void QueryThread::Run()
+{
+ while (this->GetExitFlag() == false)
+ {
+ SQLConn* conn = NULL;
+ QueueMutex->Lock();
+ for (ConnMap::iterator i = connections.begin(); i != connections.end(); i++)
+ {
+ if (i->second->queue.totalsize())
+ {
+ conn = i->second;
+ break;
+ }
+ }
+ QueueMutex->Unlock();
+ if (conn)
+ {
+ conn->DoLeadingQuery();
+ QueueMutex->Lock();
+ conn->queue.pop();
+ QueueMutex->Unlock();
+ }
+ usleep(1000);
+ }
}
MODULE_INIT(ModuleMsSQL)
projects / user / henk / code / inspircd.git / blobdiff