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-rw-r--r--include/threadengine.h2
-rw-r--r--src/modules/extra/m_mysql.cpp726
-rw-r--r--src/modules/extra/m_sqlite3.cpp1
-rw-r--r--src/modules/sql.h4
4 files changed, 193 insertions, 540 deletions
diff --git a/include/threadengine.h b/include/threadengine.h
index 32b53e217..1be775238 100644
--- a/include/threadengine.h
+++ b/include/threadengine.h
@@ -129,11 +129,11 @@ class CoreExport SocketThread : public Thread
{
queue.Wait();
}
+ public:
/** Notifies parent by making the SignalFD ready to read
* No requirements on locking
*/
void NotifyParent();
- public:
SocketThread();
virtual ~SocketThread();
/** Lock queue.
diff --git a/src/modules/extra/m_mysql.cpp b/src/modules/extra/m_mysql.cpp
index 731753d9b..08f71c929 100644
--- a/src/modules/extra/m_mysql.cpp
+++ b/src/modules/extra/m_mysql.cpp
@@ -16,13 +16,13 @@
#include "inspircd.h"
#include <mysql.h>
-#include "m_sqlv2.h"
+#include "sql.h"
#ifdef WINDOWS
#pragma comment(lib, "mysqlclient.lib")
#endif
-/* VERSION 2 API: With nonblocking (threaded) requests */
+/* VERSION 3 API: With nonblocking (threaded) requests */
/* $ModDesc: SQL Service Provider module for all other m_sql* modules */
/* $CompileFlags: exec("mysql_config --include") */
@@ -63,47 +63,48 @@
* For a diagram of this system please see http://wiki.inspircd.org/Mysql2
*/
-
class SQLConnection;
+class MySQLresult;
class DispatcherThread;
-typedef std::map<std::string, SQLConnection*> ConnMap;
-typedef std::deque<SQLresult*> ResultQueue;
-
-static unsigned long count(const char * const str, char a)
+struct QueueItem
{
- unsigned long n = 0;
- for (const char *p = str; *p; ++p)
- {
- if (*p == '?')
- ++n;
- }
- return n;
-}
+ SQLQuery* q;
+ SQLConnection* c;
+ QueueItem(SQLQuery* Q, SQLConnection* C) : q(Q), c(C) {}
+};
+typedef std::map<std::string, SQLConnection*> ConnMap;
+typedef std::deque<QueueItem> QueryQueue;
+typedef std::deque<MySQLresult*> ResultQueue;
/** MySQL module
* */
class ModuleSQL : public Module
{
public:
- int currid;
- bool rehashing;
DispatcherThread* Dispatcher;
- Mutex ResultsMutex;
- Mutex LoggingMutex;
- Mutex ConnMutex;
- ServiceProvider sqlserv;
+ QueryQueue qq;
+ ResultQueue rq;
+ ConnMap connections;
ModuleSQL();
void init();
~ModuleSQL();
- unsigned long NewID();
- void OnRequest(Request& request);
void OnRehash(User* user);
Version GetVersion();
};
+class DispatcherThread : public SocketThread
+{
+ private:
+ ModuleSQL* const Parent;
+ public:
+ DispatcherThread(ModuleSQL* CreatorModule) : Parent(CreatorModule) { }
+ ~DispatcherThread() { }
+ virtual void Run();
+ virtual void OnNotify();
+};
#if !defined(MYSQL_VERSION_ID) || MYSQL_VERSION_ID<32224
#define mysql_field_count mysql_num_fields
@@ -111,23 +112,18 @@ class ModuleSQL : public Module
/** Represents a mysql result set
*/
-class MySQLresult : public SQLresult
+class MySQLresult : public SQLResult
{
+ public:
+ SQLQuery* query;
+ SQLerror err;
int currentrow;
- std::vector<std::string> colnames;
- std::vector<SQLfieldList> fieldlists;
- SQLfieldMap* fieldmap;
- SQLfieldMap fieldmap2;
- SQLfieldList emptyfieldlist;
int rows;
- public:
+ std::vector<std::string> colnames;
+ std::vector<SQLEntries> fieldlists;
- MySQLresult(Module* self, Module* to, MYSQL_RES* res, int affected_rows, unsigned int rid) : SQLresult(self, to, rid), currentrow(0), fieldmap(NULL)
+ MySQLresult(SQLQuery* q, MYSQL_RES* res, int affected_rows) : query(q), err(SQL_NO_ERROR), currentrow(0), rows(0)
{
- /* A number of affected rows from from mysql_affected_rows.
- */
- fieldlists.clear();
- rows = 0;
if (affected_rows >= 1)
{
rows = affected_rows;
@@ -154,10 +150,11 @@ class MySQLresult : public SQLresult
while (field_count < mysql_num_fields(res))
{
std::string a = (fields[field_count].name ? fields[field_count].name : "");
- std::string b = (row[field_count] ? row[field_count] : "");
- SQLfield sqlf(b, !row[field_count]);
+ if (row[field_count])
+ fieldlists[n].push_back(SQLEntry(row[field_count]));
+ else
+ fieldlists[n].push_back(SQLEntry());
colnames.push_back(a);
- fieldlists[n].push_back(sqlf);
field_count++;
}
n++;
@@ -169,10 +166,9 @@ class MySQLresult : public SQLresult
}
}
- MySQLresult(Module* self, Module* to, SQLerror e, unsigned int rid) : SQLresult(self, to, rid), currentrow(0)
+ MySQLresult(SQLQuery* q, SQLerror& e) : query(q), err(e)
{
- rows = 0;
- error = e;
+
}
~MySQLresult()
@@ -184,135 +180,48 @@ class MySQLresult : public SQLresult
return rows;
}
- virtual int Cols()
- {
- return colnames.size();
- }
-
- virtual std::string ColName(int column)
- {
- if (column < (int)colnames.size())
- {
- return colnames[column];
- }
- else
- {
- throw SQLbadColName();
- }
- return "";
- }
-
- virtual int ColNum(const std::string &column)
+ virtual void GetCols(std::vector<std::string>& result)
{
- for (unsigned int i = 0; i < colnames.size(); i++)
- {
- if (column == colnames[i])
- return i;
- }
- throw SQLbadColName();
- return 0;
+ result.assign(colnames.begin(), colnames.end());
}
- virtual SQLfield GetValue(int row, int column)
+ virtual SQLEntry GetValue(int row, int column)
{
- if ((row >= 0) && (row < rows) && (column >= 0) && (column < Cols()))
+ if ((row >= 0) && (row < rows) && (column >= 0) && (column < (int)fieldlists[row].size()))
{
return fieldlists[row][column];
}
-
- throw SQLbadColName();
-
- /* XXX: We never actually get here because of the throw */
- return SQLfield("",true);
+ return SQLEntry();
}
- virtual SQLfieldList& GetRow()
+ virtual bool GetRow(SQLEntries& result)
{
if (currentrow < rows)
- return fieldlists[currentrow++];
- else
- return emptyfieldlist;
- }
-
- virtual SQLfieldMap& GetRowMap()
- {
- fieldmap2.clear();
-
- if (currentrow < rows)
{
- for (int i = 0; i < Cols(); i++)
- {
- fieldmap2.insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
- }
- currentrow++;
- }
-
- return fieldmap2;
- }
-
- virtual SQLfieldList* GetRowPtr()
- {
- SQLfieldList* fieldlist = new SQLfieldList();
-
- if (currentrow < rows)
- {
- for (int i = 0; i < Rows(); i++)
- {
- fieldlist->push_back(fieldlists[currentrow][i]);
- }
+ result.assign(fieldlists[currentrow].begin(), fieldlists[currentrow].end());
currentrow++;
+ return true;
}
- return fieldlist;
- }
-
- virtual SQLfieldMap* GetRowMapPtr()
- {
- fieldmap = new SQLfieldMap();
-
- if (currentrow < rows)
+ else
{
- for (int i = 0; i < Cols(); i++)
- {
- fieldmap->insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
- }
- currentrow++;
+ result.clear();
+ return false;
}
-
- return fieldmap;
- }
-
- virtual void Free(SQLfieldMap* fm)
- {
- delete fm;
- }
-
- virtual void Free(SQLfieldList* fl)
- {
- delete fl;
}
};
/** Represents a connection to a mysql database
*/
-class SQLConnection : public classbase
+class SQLConnection : public SQLProvider
{
- protected:
- MYSQL *connection;
- MYSQL_RES *res;
- MYSQL_ROW *row;
- SQLhost host;
- std::map<std::string,std::string> thisrow;
- bool Enabled;
- ModuleSQL* Parent;
- std::string initquery;
-
public:
-
- QueryQueue queue;
- ResultQueue rq;
+ reference<ConfigTag> config;
+ MYSQL *connection;
+ bool active;
// This constructor creates an SQLConnection object with the given credentials, but does not connect yet.
- SQLConnection(const SQLhost &hi, ModuleSQL* Creator) : connection(NULL), host(hi), Enabled(false), Parent(Creator)
+ SQLConnection(Module* p, ConfigTag* tag) : SQLProvider(p, "SQL/" + tag->getString("id")),
+ config(tag), active(false)
{
}
@@ -328,167 +237,109 @@ class SQLConnection : public classbase
unsigned int timeout = 1;
connection = mysql_init(connection);
mysql_options(connection,MYSQL_OPT_CONNECT_TIMEOUT,(char*)&timeout);
- return mysql_real_connect(connection, host.host.c_str(), host.user.c_str(), host.pass.c_str(), host.name.c_str(), host.port, NULL, 0);
- }
-
- void DoLeadingQuery()
- {
- if (!CheckConnection())
- return;
-
- if( !initquery.empty() )
- mysql_query(connection,initquery.c_str());
-
- /* Parse the command string and dispatch it to mysql */
- SQLrequest* req = queue.front();
-
- /* Pointer to the buffer we screw around with substitution in */
- char* query;
-
- /* Pointer to the current end of query, where we append new stuff */
- char* queryend;
-
- /* Total length of the unescaped parameters */
- unsigned long maxparamlen, paramcount;
-
- /* The length of the longest parameter */
- maxparamlen = 0;
-
- for(ParamL::iterator i = req->query.p.begin(); i != req->query.p.end(); i++)
+ std::string host = config->getString("host");
+ std::string user = config->getString("user");
+ std::string pass = config->getString("pass");
+ std::string dbname = config->getString("name");
+ int port = config->getInt("port");
+ bool rv = mysql_real_connect(connection, host.c_str(), user.c_str(), pass.c_str(), dbname.c_str(), port, NULL, 0);
+ if (!rv)
+ return rv;
+ std::string initquery;
+ if (config->readString("initialquery", initquery))
{
- if (i->size() > maxparamlen)
- maxparamlen = i->size();
+ mysql_query(connection,initquery.c_str());
}
+ return true;
+ }
- /* How many params are there in the query? */
- paramcount = count(req->query.q.c_str(), '?');
-
- /* This stores copy of params to be inserted with using numbered params 1;3B*/
- ParamL paramscopy(req->query.p);
-
- /* To avoid a lot of allocations, allocate enough memory for the biggest the escaped query could possibly be.
- * sizeofquery + (maxtotalparamlength*2) + 1
- *
- * The +1 is for null-terminating the string for mysql_real_escape_string
- */
-
- query = new char[req->query.q.length() + (maxparamlen*paramcount*2) + 1];
- queryend = query;
-
- /* Okay, now we have a buffer large enough we need to start copying the query into it and escaping and substituting
- * the parameters into it...
- */
-
- for(unsigned long i = 0; i < req->query.q.length(); i++)
+ virtual std::string FormatQuery(const std::string& q, const ParamL& p)
+ {
+ std::string res;
+ unsigned int param = 0;
+ for(std::string::size_type i = 0; i < q.length(); i++)
{
- if(req->query.q[i] == '?')
+ if (q[i] != '?')
+ res.push_back(q[i]);
+ else
{
- /* We found a place to substitute..what fun.
- * use mysql calls to escape and write the
- * escaped string onto the end of our query buffer,
- * then we "just" need to make sure queryend is
- * pointing at the right place.
- */
-
- /* Is it numbered parameter?
- */
-
- bool numbered;
- numbered = false;
-
- /* Numbered parameter number :|
- */
- unsigned int paramnum;
- paramnum = 0;
-
- /* Let's check if it's a numbered param. And also calculate it's number.
- */
-
- while ((i < req->query.q.length() - 1) && (req->query.q[i+1] >= '0') && (req->query.q[i+1] <= '9'))
+ // TODO numbered parameter support ('?1')
+ if (param < p.size())
{
- numbered = true;
- ++i;
- paramnum = paramnum * 10 + req->query.q[i] - '0';
- }
-
- if (paramnum > paramscopy.size() - 1)
- {
- /* index is out of range!
- */
- numbered = false;
- }
-
- if (numbered)
- {
- unsigned long len = mysql_real_escape_string(connection, queryend, paramscopy[paramnum].c_str(), paramscopy[paramnum].length());
-
- queryend += len;
- }
- else if (req->query.p.size())
- {
- unsigned long len = mysql_real_escape_string(connection, queryend, req->query.p.front().c_str(), req->query.p.front().length());
-
- queryend += len;
- req->query.p.pop_front();
+ std::string parm = p[param++];
+ char buffer[MAXBUF];
+ mysql_escape_string(buffer, parm.c_str(), parm.length());
+// mysql_real_escape_string(connection, queryend, paramscopy[paramnum].c_str(), paramscopy[paramnum].length());
+ res.append(buffer);
}
- else
- break;
}
+ }
+ return res;
+ }
+
+ std::string FormatQuery(const std::string& q, const ParamM& p)
+ {
+ std::string res;
+ for(std::string::size_type i = 0; i < q.length(); i++)
+ {
+ if (q[i] != '$')
+ res.push_back(q[i]);
else
{
- *queryend = req->query.q[i];
- queryend++;
+ std::string field;
+ i++;
+ while (i < q.length() && isalpha(q[i]))
+ field.push_back(q[i++]);
+ i--;
+
+ ParamM::const_iterator it = p.find(field);
+ if (it != p.end())
+ {
+ std::string parm = it->second;
+ char buffer[MAXBUF];
+ mysql_escape_string(buffer, parm.c_str(), parm.length());
+ res.append(buffer);
+ }
}
}
+ return res;
+ }
- *queryend = 0;
-
- req->query.q = query;
+ ModuleSQL* Parent()
+ {
+ return (ModuleSQL*)(Module*)creator;
+ }
- if (!mysql_real_query(connection, req->query.q.data(), req->query.q.length()))
+ void DoBlockingQuery(SQLQuery* req)
+ {
+ /* Parse the command string and dispatch it to mysql */
+ if (CheckConnection() && !mysql_real_query(connection, req->query.data(), req->query.length()))
{
/* Successfull query */
- res = mysql_use_result(connection);
+ MYSQL_RES* res = mysql_use_result(connection);
unsigned long rows = mysql_affected_rows(connection);
- MySQLresult* r = new MySQLresult(Parent, req->source, res, rows, req->id);
- r->dbid = this->GetID();
- r->query = req->query.q;
- /* Put this new result onto the results queue.
- * XXX: Remember to mutex the queue!
- */
- Parent->ResultsMutex.Lock();
- rq.push_back(r);
- Parent->ResultsMutex.Unlock();
+ MySQLresult* r = new MySQLresult(req, res, rows);
+ Parent()->Dispatcher->LockQueue();
+ Parent()->rq.push_back(r);
+ Parent()->Dispatcher->NotifyParent();
+ Parent()->Dispatcher->UnlockQueue();
}
else
{
/* XXX: See /usr/include/mysql/mysqld_error.h for a list of
* possible error numbers and error messages */
SQLerror e(SQL_QREPLY_FAIL, ConvToStr(mysql_errno(connection)) + std::string(": ") + mysql_error(connection));
- MySQLresult* r = new MySQLresult(Parent, req->source, e, req->id);
- r->dbid = this->GetID();
- r->query = req->query.q;
-
- Parent->ResultsMutex.Lock();
- rq.push_back(r);
- Parent->ResultsMutex.Unlock();
+ MySQLresult* r = new MySQLresult(req, e);
+ Parent()->Dispatcher->LockQueue();
+ Parent()->rq.push_back(r);
+ Parent()->Dispatcher->NotifyParent();
+ Parent()->Dispatcher->UnlockQueue();
}
-
- delete[] query;
- }
-
- bool ConnectionLost()
- {
- if (&connection)
- {
- return (mysql_ping(connection) != 0);
- }
- else return false;
}
bool CheckConnection()
{
- if (ConnectionLost())
+ if (mysql_ping(connection) != 0)
{
return Connect();
}
@@ -500,290 +351,106 @@ class SQLConnection : public classbase
return mysql_error(connection);
}
- const std::string& GetID()
- {
- return host.id;
- }
-
- std::string GetHost()
- {
- return host.host;
- }
-
- void setInitialQuery(std::string init)
- {
- initquery = init;
- }
-
- void SetEnable(bool Enable)
- {
- Enabled = Enable;
- }
-
- bool IsEnabled()
- {
- return Enabled;
- }
-
void Close()
{
mysql_close(connection);
}
- const SQLhost& GetConfHost()
+ void submit(SQLQuery* q)
{
- return host;
+ Parent()->Dispatcher->LockQueue();
+ Parent()->qq.push_back(QueueItem(q, this));
+ Parent()->Dispatcher->UnlockQueueWakeup();
}
-
};
-ConnMap Connections;
-
-bool HasHost(const SQLhost &host)
+ModuleSQL::ModuleSQL()
{
- for (ConnMap::iterator iter = Connections.begin(); iter != Connections.end(); iter++)
- {
- if (host == iter->second->GetConfHost())
- return true;
- }
- return false;
+ Dispatcher = NULL;
}
-bool HostInConf(const SQLhost &h)
+void ModuleSQL::init()
{
- ConfigReader conf;
- for(int i = 0; i < conf.Enumerate("database"); i++)
- {
- SQLhost host;
- host.id = conf.ReadValue("database", "id", i);
- host.host = conf.ReadValue("database", "hostname", i);
- host.port = conf.ReadInteger("database", "port", i, true);
- 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", i);
- if (h == host)
- return true;
- }
- return false;
-}
+ Dispatcher = new DispatcherThread(this);
+ ServerInstance->Threads->Start(Dispatcher);
-void ClearOldConnections()
-{
- ConnMap::iterator i,safei;
- for (i = Connections.begin(); i != Connections.end(); i++)
- {
- if (!HostInConf(i->second->GetConfHost()))
- {
- delete i->second;
- safei = i;
- --i;
- Connections.erase(safei);
- }
- }
+ Implementation eventlist[] = { I_OnRehash };
+ ServerInstance->Modules->Attach(eventlist, this, 1);
}
-void ClearAllConnections()
+ModuleSQL::~ModuleSQL()
{
- ConnMap::iterator i;
- while ((i = Connections.begin()) != Connections.end())
+ if (Dispatcher)
{
- Connections.erase(i);
- delete i->second;
+ Dispatcher->join();
+ Dispatcher->OnNotify();
+ delete Dispatcher;
}
-}
-
-void ConnectDatabases(ModuleSQL* Parent)
-{
- for (ConnMap::iterator i = Connections.begin(); i != Connections.end(); i++)
+ for(ConnMap::iterator i = connections.begin(); i != connections.end(); i++)
{
- if (i->second->IsEnabled())
- continue;
-
- i->second->SetEnable(true);
- if (!i->second->Connect())
- {
- /* XXX: MUTEX */
- Parent->LoggingMutex.Lock();
- ServerInstance->Logs->Log("m_mysql",DEFAULT,"SQL: Failed to connect database "+i->second->GetHost()+": Error: "+i->second->GetError());
- i->second->SetEnable(false);
- Parent->LoggingMutex.Unlock();
- }
+ delete i->second;
}
}
-void LoadDatabases(ModuleSQL* Parent)
+void ModuleSQL::OnRehash(User* user)
{
- ConfigReader conf;
- Parent->ConnMutex.Lock();
- ClearOldConnections();
- for (int j =0; j < conf.Enumerate("database"); j++)
+ Dispatcher->LockQueue();
+ ConnMap conns;
+ ConfigTagList tags = ServerInstance->Config->ConfTags("database");
+ for(ConfigIter i = tags.first; i != tags.second; i++)
{
- SQLhost host;
- host.id = conf.ReadValue("database", "id", j);
- host.host = conf.ReadValue("database", "hostname", j);
- host.port = conf.ReadInteger("database", "port", j, true);
- host.name = conf.ReadValue("database", "name", j);
- host.user = conf.ReadValue("database", "username", j);
- host.pass = conf.ReadValue("database", "password", j);
- host.ssl = conf.ReadFlag("database", "ssl", j);
- std::string initquery = conf.ReadValue("database", "initialquery", j);
-
- if (HasHost(host))
+ if (i->second->getString("module", "mysql") != "mysql")
continue;
-
- if (!host.id.empty() && !host.host.empty() && !host.name.empty() && !host.user.empty() && !host.pass.empty())
+ std::string id = i->second->getString("id");
+ ConnMap::iterator curr = connections.find(id);
+ if (curr == connections.end())
{
- SQLConnection* ThisSQL = new SQLConnection(host, Parent);
- Connections[host.id] = ThisSQL;
-
- ThisSQL->setInitialQuery(initquery);
+ SQLConnection* conn = new SQLConnection(this, i->second);
+ conns.insert(std::make_pair(id, conn));
+ ServerInstance->Modules->AddService(*conn);
}
- }
- ConnectDatabases(Parent);
- Parent->ConnMutex.Unlock();
-}
-
-char FindCharId(const std::string &id)
-{
- char i = 1;
- for (ConnMap::iterator iter = Connections.begin(); iter != Connections.end(); ++iter, ++i)
- {
- if (iter->first == id)
+ else
{
- return i;
+ conns.insert(*curr);
+ connections.erase(curr);
}
}
- return 0;
-}
-
-ConnMap::iterator GetCharId(char id)
-{
- char i = 1;
- for (ConnMap::iterator iter = Connections.begin(); iter != Connections.end(); ++iter, ++i)
- {
- if (i == id)
- return iter;
- }
- return Connections.end();
-}
-
-class DispatcherThread : public SocketThread
-{
- private:
- ModuleSQL* const Parent;
- public:
- DispatcherThread(ModuleSQL* CreatorModule) : Parent(CreatorModule) { }
- ~DispatcherThread() { }
- virtual void Run();
- virtual void OnNotify();
-};
-
-ModuleSQL::ModuleSQL() : rehashing(false), sqlserv(this, "SQL/mysql", SERVICE_DATA)
-{
- currid = 0;
- Dispatcher = NULL;
-}
-
-void ModuleSQL::init()
-{
- ServerInstance->Modules->AddService(sqlserv);
-
- Dispatcher = new DispatcherThread(this);
- ServerInstance->Threads->Start(Dispatcher);
-
- Implementation eventlist[] = { I_OnRehash };
- ServerInstance->Modules->Attach(eventlist, this, 1);
-}
-
-ModuleSQL::~ModuleSQL()
-{
- delete Dispatcher;
- ClearAllConnections();
-}
-
-unsigned long ModuleSQL::NewID()
-{
- if (currid+1 == 0)
- currid++;
- return ++currid;
-}
-
-void ModuleSQL::OnRequest(Request& request)
-{
- if(strcmp(SQLREQID, request.id) == 0)
+ for(ConnMap::iterator i = connections.begin(); i != connections.end(); i++)
{
- SQLrequest* req = (SQLrequest*)&request;
-
- ConnMap::iterator iter;
-
- Dispatcher->LockQueue();
- ConnMutex.Lock();
- if((iter = Connections.find(req->dbid)) != Connections.end())
+ if (i->second->active)
{
- req->id = NewID();
- iter->second->queue.push(new SQLrequest(*req));
+ // can't delete it now. Next rehash will try to kill it again
+ conns.insert(*i);
}
else
{
- req->error.Id(SQL_BAD_DBID);
+ ServerInstance->Modules->DelService(*i->second);
+ delete i->second;
}
-
- ConnMutex.Unlock();
- Dispatcher->UnlockQueueWakeup();
- /* Yes, it's possible this will generate a spurious wakeup.
- * That's fine, it'll just get ignored.
- */
}
-}
-
-void ModuleSQL::OnRehash(User* user)
-{
- Dispatcher->LockQueue();
- rehashing = true;
- Dispatcher->UnlockQueueWakeup();
+ connections.swap(conns);
+ Dispatcher->UnlockQueue();
}
Version ModuleSQL::GetVersion()
{
- return Version("SQL Service Provider module for all other m_sql* modules", VF_VENDOR);
+ return Version("MySQL support", VF_VENDOR);
}
void DispatcherThread::Run()
{
- LoadDatabases(Parent);
-
- SQLConnection* conn = NULL;
-
this->LockQueue();
while (!this->GetExitFlag())
{
- if (Parent->rehashing)
- {
- Parent->rehashing = false;
- LoadDatabases(Parent);
- }
-
- conn = NULL;
- Parent->ConnMutex.Lock();
- for (ConnMap::iterator i = Connections.begin(); i != Connections.end(); i++)
+ if (!Parent->qq.empty())
{
- if (i->second->queue.totalsize())
- {
- conn = i->second;
- break;
- }
- }
- Parent->ConnMutex.Unlock();
-
- if (conn)
- {
- /* There's an item! */
+ QueueItem i = Parent->qq.front();
+ Parent->qq.pop_front();
+ i.c->active = true;
this->UnlockQueue();
- conn->DoLeadingQuery();
- this->NotifyParent();
+ i.c->DoBlockingQuery(i.q);
this->LockQueue();
- conn->queue.pop();
+ i.c->active = false;
}
else
{
@@ -798,35 +465,20 @@ void DispatcherThread::Run()
void DispatcherThread::OnNotify()
{
- SQLConnection* conn;
- while (1)
+ // this could unlock during the dispatch, but OnResult isn't expected to take that long
+ this->LockQueue();
+ for(ResultQueue::iterator i = Parent->rq.begin(); i != Parent->rq.end(); i++)
{
- conn = NULL;
- Parent->ConnMutex.Lock();
- for (ConnMap::iterator iter = Connections.begin(); iter != Connections.end(); iter++)
- {
- if (!iter->second->rq.empty())
- {
- conn = iter->second;
- break;
- }
- }
- Parent->ConnMutex.Unlock();
-
- if (!conn)
- break;
-
- Parent->ResultsMutex.Lock();
- ResultQueue::iterator n = conn->rq.begin();
- Parent->ResultsMutex.Unlock();
-
- (*n)->Send();
- delete (*n);
-
- Parent->ResultsMutex.Lock();
- conn->rq.pop_front();
- Parent->ResultsMutex.Unlock();
+ MySQLresult* res = *i;
+ if (res->err.id == SQL_NO_ERROR)
+ res->query->OnResult(*res);
+ else
+ res->query->OnError(res->err);
+ delete res->query;
+ delete res;
}
+ Parent->rq.clear();
+ this->UnlockQueue();
}
MODULE_INIT(ModuleSQL)
diff --git a/src/modules/extra/m_sqlite3.cpp b/src/modules/extra/m_sqlite3.cpp
index e4b1e7266..b13d42bca 100644
--- a/src/modules/extra/m_sqlite3.cpp
+++ b/src/modules/extra/m_sqlite3.cpp
@@ -58,6 +58,7 @@ class SQLite3Result : public SQLResult
return false;
}
}
+
virtual void GetCols(std::vector<std::string>& result)
{
result.assign(columns.begin(), columns.end());
diff --git a/src/modules/sql.h b/src/modules/sql.h
index e0f306407..e558d9f6b 100644
--- a/src/modules/sql.h
+++ b/src/modules/sql.h
@@ -16,7 +16,7 @@
/** Defines the error types which SQLerror may be set to
*/
-enum SQLerrorNum { SQL_BAD_DBID, SQL_BAD_CONN, SQL_QSEND_FAIL, SQL_QREPLY_FAIL };
+enum SQLerrorNum { SQL_NO_ERROR, SQL_BAD_DBID, SQL_BAD_CONN, SQL_QSEND_FAIL, SQL_QREPLY_FAIL };
/** A list of format parameters for an SQLquery object.
*/
@@ -39,7 +39,7 @@ typedef std::vector<SQLEntry> SQLEntries;
/**
* Result of an SQL query. Only valid inside OnResult
*/
-class SQLResult : public interfacebase
+class SQLResult : public classbase
{
public:
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-18 22:30:45 +0000