#include "users.h"
#include "channels.h"
#include "modules.h"
-#include "helperfuncs.h"
+#include "inspircd.h"
#include "m_sqlv2.h"
/* VERSION 2 API: With nonblocking (threaded) requests */
/* $ModDesc: SQL Service Provider module for all other m_sql* modules */
/* $CompileFlags: `mysql_config --include` */
-/* $LinkerFlags: `mysql_config --libs_r` `perl ../mysql_rpath.pl` */
+/* $LinkerFlags: `mysql_config --libs_r` `perl extra/mysql_rpath.pl` */
+/* $ModDep: m_sqlv2.h */
/* THE NONBLOCKING MYSQL API!
*
class SQLConnection;
class Notifier;
-extern InspIRCd* ServerInstance;
+
typedef std::map<std::string, SQLConnection*> ConnMap;
bool giveup = false;
static Module* SQLModule = NULL;
typedef std::deque<SQLresult*> ResultQueue;
+/** Represents a mysql query queue
+ */
class QueryQueue : public classbase
{
private:
void push(const SQLrequest &q)
{
- log(DEBUG, "QueryQueue::push(): Adding %s query to queue: %s", ((q.pri) ? "priority" : "non-priority"), q.query.q.c_str());
-
if(q.pri)
priority.push_back(q);
else
pthread_mutex_t results_mutex = PTHREAD_MUTEX_INITIALIZER;
+/** Represents a mysql result set
+ */
class MySQLresult : public SQLresult
{
int currentrow;
std::vector<std::string> colnames;
std::vector<SQLfieldList> fieldlists;
SQLfieldMap* fieldmap;
+ SQLfieldMap fieldmap2;
+ SQLfieldList emptyfieldlist;
int rows;
- int cols;
public:
MySQLresult(Module* self, Module* to, MYSQL_RES* res, int affected_rows, unsigned int id) : SQLresult(self, to, id), currentrow(0), fieldmap(NULL)
{
/* A number of affected rows from from mysql_affected_rows.
*/
- log(DEBUG,"Created new MySQLresult of non-error type");
fieldlists.clear();
rows = 0;
if (affected_rows >= 1)
rows = affected_rows;
fieldlists.resize(rows);
}
- unsigned int field_count;
+ unsigned int field_count = 0;
if (res)
{
MYSQL_ROW row;
}
rows++;
}
- cols = mysql_num_fields(res);
mysql_free_result(res);
}
- cols = field_count;
- log(DEBUG, "Created new MySQL result; %d rows, %d columns", rows, cols);
}
MySQLresult(Module* self, Module* to, SQLerror e, unsigned int id) : SQLresult(self, to, id), currentrow(0)
{
rows = 0;
- cols = 0;
error = e;
- log(DEBUG,"Created new MySQLresult of error type");
}
~MySQLresult()
virtual int Cols()
{
- return cols;
+ return colnames.size();
}
virtual std::string ColName(int column)
virtual SQLfield GetValue(int row, int column)
{
- if ((row >= 0) && (row < rows) && (column >= 0) && (column < cols))
+ if ((row >= 0) && (row < rows) && (column >= 0) && (column < Cols()))
{
return fieldlists[row][column];
}
- log(DEBUG,"Danger will robinson, we don't have row %d, column %d!", row, column);
throw SQLbadColName();
/* XXX: We never actually get here because of the throw */
virtual SQLfieldList& GetRow()
{
- return fieldlists[currentrow];
+ if (currentrow < rows)
+ return fieldlists[currentrow];
+ else
+ return emptyfieldlist;
}
virtual SQLfieldMap& GetRowMap()
{
- fieldmap = new SQLfieldMap();
-
- for (int i = 0; i < cols; i++)
+ fieldmap2.clear();
+
+ if (currentrow < rows)
{
- fieldmap->insert(std::make_pair(colnames[cols],GetValue(currentrow, i)));
+ for (int i = 0; i < Cols(); i++)
+ {
+ fieldmap2.insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
+ }
+ currentrow++;
}
- currentrow++;
- return *fieldmap;
+ return fieldmap2;
}
virtual SQLfieldList* GetRowPtr()
{
- return &fieldlists[currentrow++];
+ SQLfieldList* fieldlist = new SQLfieldList();
+
+ if (currentrow < rows)
+ {
+ for (int i = 0; i < Rows(); i++)
+ {
+ fieldlist->push_back(fieldlists[currentrow][i]);
+ }
+ currentrow++;
+ }
+ return fieldlist;
}
virtual SQLfieldMap* GetRowMapPtr()
{
fieldmap = new SQLfieldMap();
-
- for (int i = 0; i < cols; i++)
+
+ if (currentrow < rows)
{
- fieldmap->insert(std::make_pair(colnames[cols],GetValue(currentrow, i)));
+ for (int i = 0; i < Cols(); i++)
+ {
+ fieldmap->insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
+ }
+ currentrow++;
}
- currentrow++;
return fieldmap;
}
virtual void Free(SQLfieldList* fl)
{
- /* XXX: Yes, this is SUPPOSED to do nothing, we
- * dont want to free our fieldlist until we
- * destruct the object. Unlike the pgsql module,
- * we only have the one.
- */
+ delete fl;
}
};
void NotifyMainThread(SQLConnection* connection_with_new_result);
+/** Represents a connection to a mysql database
+ */
class SQLConnection : public classbase
{
protected:
QueryQueue queue;
ResultQueue rq;
- // This constructor creates an SQLConnection object with the given credentials, and creates the underlying
- // MYSQL struct, but does not connect yet.
- SQLConnection(std::string thishost, std::string thisuser, std::string thispass, std::string thisdb, const std::string &myid)
+ // This constructor creates an SQLConnection object with the given credentials, but does not connect yet.
+ SQLConnection(const std::string &thishost, const std::string &thisuser, const std::string &thispass, const std::string &thisdb, const std::string &myid) : host(thishost), user(thisuser), pass(thispass), db(thisdb), Enabled(true), id(myid)
{
- this->Enabled = true;
- this->host = thishost;
- this->user = thisuser;
- this->pass = thispass;
- this->db = thisdb;
- this->id = myid;
}
// This method connects to the database using the credentials supplied to the constructor, and returns
/* Parse the command string and dispatch it to mysql */
SQLrequest& req = queue.front();
- log(DEBUG,"DO QUERY: %s",req.query.q.c_str());
/* Pointer to the buffer we screw around with substitution in */
char* query;
req.query.p.pop_front();
}
else
- {
- log(DEBUG, "Found a substitution location but no parameter to substitute :|");
break;
- }
}
else
{
*queryend = 0;
- log(DEBUG, "Attempting to dispatch query: %s", query);
-
pthread_mutex_lock(&queue_mutex);
req.query.q = query;
pthread_mutex_unlock(&queue_mutex);
{
/* XXX: See /usr/include/mysql/mysqld_error.h for a list of
* possible error numbers and error messages */
- log(DEBUG,"SQL ERROR: %s",mysql_error(&connection));
SQLerror e(QREPLY_FAIL, ConvToStr(mysql_errno(&connection)) + std::string(": ") + mysql_error(&connection));
MySQLresult* r = new MySQLresult(SQLModule, req.GetSource(), e, req.id);
r->dbid = this->GetID();
* Pass them this connection id as what to examine
*/
+ delete[] query;
+
NotifyMainThread(this);
}
ConnMap Connections;
-void ConnectDatabases(Server* Srv)
+void ConnectDatabases(InspIRCd* ServerInstance)
{
for (ConnMap::iterator i = Connections.begin(); i != Connections.end(); i++)
{
i->second->SetEnable(true);
if (i->second->Connect())
{
- Srv->Log(DEFAULT,"SQL: Successfully connected database "+i->second->GetHost());
+ ServerInstance->Log(DEFAULT,"SQL: Successfully connected database "+i->second->GetHost());
}
else
{
- Srv->Log(DEFAULT,"SQL: Failed to connect database "+i->second->GetHost()+": Error: "+i->second->GetError());
+ ServerInstance->Log(DEFAULT,"SQL: Failed to connect database "+i->second->GetHost()+": Error: "+i->second->GetError());
i->second->SetEnable(false);
}
}
}
-void LoadDatabases(ConfigReader* ThisConf, Server* Srv)
+void LoadDatabases(ConfigReader* ThisConf, InspIRCd* ServerInstance)
{
- Srv->Log(DEFAULT,"SQL: Loading database settings");
+ ServerInstance->Log(DEFAULT,"SQL: Loading database settings");
Connections.clear();
- Srv->Log(DEBUG,"Cleared connections");
+ ServerInstance->Log(DEBUG,"Cleared connections");
for (int j =0; j < ThisConf->Enumerate("database"); j++)
{
std::string db = ThisConf->ReadValue("database","name",j);
std::string pass = ThisConf->ReadValue("database","password",j);
std::string host = ThisConf->ReadValue("database","hostname",j);
std::string id = ThisConf->ReadValue("database","id",j);
- Srv->Log(DEBUG,"Read database settings");
+ ServerInstance->Log(DEBUG,"Read database settings");
if ((db != "") && (host != "") && (user != "") && (id != "") && (pass != ""))
{
SQLConnection* ThisSQL = new SQLConnection(host,user,pass,db,id);
- Srv->Log(DEFAULT,"Loaded database: "+ThisSQL->GetHost());
+ ServerInstance->Log(DEFAULT,"Loaded database: "+ThisSQL->GetHost());
Connections[id] = ThisSQL;
- Srv->Log(DEBUG,"Pushed back connection");
+ ServerInstance->Log(DEBUG,"Pushed back connection");
}
}
- ConnectDatabases(Srv);
+ ConnectDatabases(ServerInstance);
}
void NotifyMainThread(SQLConnection* connection_with_new_result)
* block if we like. We just send the connection id of the
* connection back.
*/
- log(DEBUG,"Notify of result on connection: %s",connection_with_new_result->GetID().c_str());
- if (send(QueueFD, connection_with_new_result->GetID().c_str(), connection_with_new_result->GetID().length()+1, 0) < 1) // add one for null terminator
- {
- log(DEBUG,"Error writing to QueueFD: %s",strerror(errno));
- }
- log(DEBUG,"Sent it on its way via fd=%d",QueueFD);
+ send(QueueFD, connection_with_new_result->GetID().c_str(), connection_with_new_result->GetID().length()+1, 0);
}
void* DispatcherThread(void* arg);
+/** Used by m_mysql to notify one thread when the other has a result
+ */
class Notifier : public InspSocket
{
- sockaddr_in sock_us;
+ insp_sockaddr sock_us;
socklen_t uslen;
- Server* Srv;
+
public:
/* Create a socket on a random port. Let the tcp stack allocate us an available port */
- Notifier(Server* S) : InspSocket("127.0.0.1", 0, true, 3000), Srv(S)
+#ifdef IPV6
+ Notifier(InspIRCd* SI) : InspSocket(SI, "::1", 0, true, 3000)
+#else
+ Notifier(InspIRCd* SI) : InspSocket(SI, "127.0.0.1", 0, true, 3000)
+#endif
{
uslen = sizeof(sock_us);
if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
}
}
- Notifier(int newfd, char* ip, Server* S) : InspSocket(newfd, ip), Srv(S)
+ Notifier(InspIRCd* SI, int newfd, char* ip) : InspSocket(SI, newfd, ip)
{
- log(DEBUG,"Constructor of new socket");
+ Instance->Log(DEBUG,"Constructor of new socket");
}
/* 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)
{
- log(DEBUG,"Inbound connection on fd %d!",newsock);
- Notifier* n = new Notifier(newsock, ip, Srv);
- Srv->AddSocket(n);
+ Instance->Log(DEBUG,"Inbound connection on fd %d!",newsock);
+ Notifier* n = new Notifier(this->Instance, newsock, ip);
+ n = n; /* Stop bitching at me, GCC */
return true;
}
virtual bool OnDataReady()
{
- log(DEBUG,"Inbound data!");
+ Instance->Log(DEBUG,"Inbound data!");
char* data = this->Read();
ConnMap::iterator iter;
if (data && *data)
{
- log(DEBUG,"Looking for connection %s",data);
+ Instance->Log(DEBUG,"Looking for connection %s",data);
/* We expect to be sent a null terminated string */
if((iter = Connections.find(data)) != Connections.end())
{
- log(DEBUG,"Found it!");
+ Instance->Log(DEBUG,"Found it!");
/* Lock the mutex, send back the data */
pthread_mutex_lock(&results_mutex);
}
};
+/** MySQL module
+ */
class ModuleSQL : public Module
{
public:
- Server *Srv;
+
ConfigReader *Conf;
+ InspIRCd* PublicServerInstance;
pthread_t Dispatcher;
int currid;
char* OnRequest(Request* request)
{
- if(strcmp(SQLREQID, request->GetData()) == 0)
+ if(strcmp(SQLREQID, request->GetId()) == 0)
{
SQLrequest* req = (SQLrequest*)request;
char* returnval = NULL;
- 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());
+ 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())
{
- iter->second->queue.push(*req);
req->id = NewID();
+ iter->second->queue.push(*req);
returnval = SQLSUCCESS;
}
else
return returnval;
}
- log(DEBUG, "Got unsupported API version string: %s", request->GetData());
+ ServerInstance->Log(DEBUG, "Got unsupported API version string: %s", request->GetId());
return NULL;
}
- ModuleSQL(Server* Me)
+ ModuleSQL(InspIRCd* Me)
: Module::Module(Me)
{
- Srv = Me;
- Conf = new ConfigReader();
+
+ Conf = new ConfigReader(ServerInstance);
+ PublicServerInstance = ServerInstance;
currid = 0;
SQLModule = this;
- MessagePipe = new Notifier(Srv);
- Srv->AddSocket(MessagePipe);
- log(DEBUG,"Bound notifier to 127.0.0.1:%d",MessagePipe->GetPort());
+ MessagePipe = new Notifier(ServerInstance);
+ ServerInstance->Log(DEBUG,"Bound notifier to 127.0.0.1:%d",MessagePipe->GetPort());
pthread_attr_t attribs;
pthread_attr_init(&attribs);
{
throw ModuleException("m_mysql: Failed to create dispatcher thread: " + std::string(strerror(errno)));
}
- Srv->PublishFeature("SQL", this);
- Srv->PublishFeature("MySQL", this);
+ if (!ServerInstance->PublishFeature("SQL", this))
+ {
+ /* Tell worker thread to exit NOW */
+ giveup = true;
+ throw ModuleException("m_mysql: Unable to publish feature 'SQL'");
+ }
}
virtual ~ModuleSQL()
virtual Version GetVersion()
{
- return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER);
+ return Version(1,1,0,0,VF_VENDOR|VF_SERVICEPROVIDER,API_VERSION);
}
};
void* DispatcherThread(void* arg)
{
- log(DEBUG,"Starting Dispatcher thread, mysql version %d",mysql_get_client_version());
ModuleSQL* thismodule = (ModuleSQL*)arg;
- LoadDatabases(thismodule->Conf, thismodule->Srv);
+ LoadDatabases(thismodule->Conf, thismodule->PublicServerInstance);
/* Connect back to the Notifier */
- if ((QueueFD = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+ if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
{
/* crap, we're out of sockets... */
- log(DEBUG,"QueueFD cant be created");
return NULL;
}
- log(DEBUG,"Initialize QueueFD to %d",QueueFD);
+ insp_sockaddr addr;
- sockaddr_in addr;
- in_addr ia;
- inet_aton("127.0.0.1", &ia);
- addr.sin_family = AF_INET;
+#ifdef IPV6
+ insp_aton("::1", &addr.sin6_addr);
+ addr.sin6_family = AF_FAMILY;
+ addr.sin6_port = htons(MessagePipe->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(MessagePipe->GetPort());
+#endif
if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
{
/* wtf, we cant connect to it, but we just created it! */
- log(DEBUG,"QueueFD cant connect!");
return NULL;
}
- log(DEBUG,"Connect QUEUE FD");
-
while (!giveup)
{
SQLConnection* conn = NULL;
/* Theres an item! */
if (conn)
{
- log(DEBUG,"Process Leading query");
conn->DoLeadingQuery();
/* XXX: Lock */
{
}
- virtual Module * CreateModule(Server* Me)
+ virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleSQL(Me);
}
{
return new ModuleSQLFactory;
}
-
projects / user / henk / code / inspircd.git / blobdiff