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#ifndef __M_SQL_H__
#define __M_SQL_H__
using namespace std;
#include <string>
#include <vector>
#define SQL_RESULT 1
#define SQL_COUNT 2
#define SQL_ROW 3
#define SQL_ERROR 4
#define SQL_END 5
#define SQL_DONE 6
#define SQL_OK 7
// SQLRequest is inherited from a basic Request object
// so that we can neatly pass information around the
// system.
class SQLRequest : public classbase
{
protected:
long conn_id;
int request_type;
std::string thisquery;
public:
SQLRequest(int qt, long cid, std::string query)
{
this->SetQueryType(qt);
this->SetConnID(cid);
this->SetQuery(query);
}
void SetConnID(long id)
{
conn_id = id;
}
long GetConnID()
{
return conn_id;
}
void SetQueryType(int t)
{
request_type = t;
}
int GetQueryType()
{
return request_type;
}
void SetQuery(std::string query)
{
thisquery = query;
}
std::string GetQuery()
{
return thisquery;
}
};
// Upon completion, an SQLRequest returns an SQLResponse.
class SQLResult : public classbase
{
protected:
int resptype;
long count;
std::string error;
std::map<std::string,std::string> row;
public:
void SetRow(std::map<std::string,std::string> r)
{
row = r;
}
std::string GetField(std::string field)
{
std::map<std::string,std::string>::iterator iter = row.find(field);
if (iter == row.end()) return "";
return iter->second;
}
void SetType(int rt)
{
resptype = rt;
}
void SetError(std::string err)
{
error = err;
}
int GetType()
{
return resptype;
}
std::string GetError()
{
return error;
}
void SetCount(long c)
{
count = c;
}
/* This will return a negative value of the SQL server is down */
long GetCount()
{
return count;
}
};
class SQLQuery : public classbase
{
private:
SQLRequest* rowrequest;
SQLRequest* query;
SQLResult* result;
SQLResult* rowresult;
Request* rowquery;
unsigned long dbid;
Module* parent;
Module* SQLModule;
Server* Srv;
std::string error;
bool MakeQueryGoNow(std::string qry)
{
// Insert Lack of More Original Name here.
Request queryrequest((char*)query, parent, SQLModule);
result = (SQLResult*)queryrequest.Send();
if (result->GetType() != SQL_ERROR)
{
// Query Is fine.. Prepare to get first row...
rowrequest = new SQLRequest(SQL_ROW,dbid,"");
rowquery = new Request((char*)rowrequest, parent, SQLModule);
return true;
}
// Query Failed. - Coder Fucked up! (Probably me too :/)
Srv->Log(DEBUG, " ============= SQL Error, Query And Error Follow. ============= ");
Srv->Log(DEBUG, "Query: "+ qry);
Srv->Log(DEBUG, "Error: "+ result->GetError());
Srv->Log(DEBUG, " ============================================================== ");
error = result->GetError();
// Destroy Variables that were set..
delete query;
query = NULL;
result = NULL;
return false;
}
public:
SQLQuery(Server* S) : Srv(S)
{
}
SQLQuery(Module* a, unsigned long b, Server* S) : dbid(b), parent(a), Srv(S)
{
// Make a few useful variables..
SQLModule = Srv->FindModule("m_sql.so");
}
~SQLQuery()
{
}
bool Query(std::string qry)
{
query = new SQLRequest(SQL_RESULT, dbid, qry);
return MakeQueryGoNow(qry);
}
bool QueryCount(std::string qry)
{
query = new SQLRequest(SQL_COUNT, dbid, qry);
return MakeQueryGoNow(qry);
}
bool GetRow()
{
rowresult = (SQLResult*)rowquery->Send();
if (rowresult->GetType() == SQL_ROW)
{
// We have got a row.. thats all for now.
return true;
}
// No Row, Error, or end. KILL CALLER! *BANG*
return false;
}
std::string GetField(std::string fname)
{
return rowresult->GetField(fname);
}
long GetCount()
{
rowresult = (SQLResult*)rowquery->Send();
if (rowresult->GetType() == SQL_COUNT)
{
return rowresult->GetCount();
}
else
{
return 0;
}
}
const std::string &GetError()
{
return error;
}
void SQLDone()
{
// Tell m_sql we are finished..
query->SetQueryType(SQL_DONE);
query->SetConnID(dbid);
Request donerequest((char*)query, parent, SQLModule);
donerequest.Send();
// Do Some Clearing up.
delete query;
delete rowrequest;
// Null the variables, so they can be re-used without confusion..
result = NULL;
query = NULL;
rowrequest = NULL;
rowresult = NULL;
}
static std::string Sanitise(const std::string& crap)
{
std::string temp = "";
for (unsigned int q = 0; q < crap.length(); q++)
{
if (crap[q] == '\'')
{
temp += "\\'";
}
else if (crap[q] == '"')
{
temp += "\\\"";
}
else if (crap[q] == '\\')
{
temp += "\\\\";
}
else
{
temp += crap[q];
}
}
return temp;
}
};
#endif
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