-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2007-2009 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007, 2009 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/// $CompilerFlags: find_compiler_flags("sqlite3")
+/// $LinkerFlags: find_linker_flags("sqlite3" "-lsqlite3")
+
+/// $PackageInfo: require_system("centos") pkgconfig sqlite-devel
+/// $PackageInfo: require_system("darwin") pkg-config sqlite3
+/// $PackageInfo: require_system("debian") libsqlite3-dev pkg-config
+/// $PackageInfo: require_system("ubuntu") libsqlite3-dev pkg-config
+
#include "inspircd.h"
-#include <sqlite3.h>
-#include "m_sqlv2.h"
+#include "modules/sql.h"
-/* $ModDesc: sqlite3 provider */
-/* $CompileFlags: pkgconfversion("sqlite3","3.3") pkgconfincludes("sqlite3","/sqlite3.h","") */
-/* $LinkerFlags: pkgconflibs("sqlite3","/libsqlite3.so","-lsqlite3") */
-/* $ModDep: m_sqlv2.h */
-/* $NoPedantic */
+// Fix warnings about the use of `long long` on C++03.
+#if defined __clang__
+# pragma clang diagnostic ignored "-Wc++11-long-long"
+#elif defined __GNUC__
+# pragma GCC diagnostic ignored "-Wlong-long"
+#endif
-class SQLConn;
-class SQLite3Result;
-class ResultNotifier;
-class SQLiteListener;
-class ModuleSQLite3;
+#include <sqlite3.h>
-typedef std::map<std::string, SQLConn*> ConnMap;
-typedef std::deque<classbase*> paramlist;
-typedef std::deque<SQLite3Result*> ResultQueue;
+#ifdef _WIN32
+# pragma comment(lib, "sqlite3.lib")
+#endif
-static unsigned long count(const char * const str, char a)
-{
- unsigned long n = 0;
- for (const char *p = str; *p; ++p)
- {
- if (*p == '?')
- ++n;
- }
- return n;
-}
+class SQLConn;
+typedef insp::flat_map<std::string, SQLConn*> ConnMap;
-class SQLite3Result : public SQLresult
+class SQLite3Result : public SQL::Result
{
- private:
+ public:
int currentrow;
int rows;
- int cols;
+ std::vector<std::string> columns;
+ std::vector<SQL::Row> fieldlists;
- std::vector<std::string> colnames;
- std::vector<SQLfieldList> fieldlists;
- SQLfieldList emptyfieldlist;
-
- SQLfieldList* fieldlist;
- SQLfieldMap* fieldmap;
-
- public:
- SQLite3Result(Module* self, Module* to, unsigned int rid)
- : SQLresult(self, to, rid), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
+ SQLite3Result() : currentrow(0), rows(0)
{
}
- ~SQLite3Result()
- {
- }
-
- void AddRow(int colsnum, char **dat, char **colname)
- {
- colnames.clear();
- cols = colsnum;
- for (int i = 0; i < colsnum; i++)
- {
- fieldlists.resize(fieldlists.size()+1);
- colnames.push_back(colname[i]);
- SQLfield sf(dat[i] ? dat[i] : "", dat[i] ? false : true);
- fieldlists[rows].push_back(sf);
- }
- rows++;
- }
-
- void UpdateAffectedCount()
- {
- rows++;
- }
-
- virtual int Rows()
+ int Rows() CXX11_OVERRIDE
{
return rows;
}
- virtual int Cols()
- {
- return cols;
- }
-
- 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)
- {
- for (unsigned int i = 0; i < colnames.size(); i++)
- {
- if (column == colnames[i])
- return i;
- }
- throw SQLbadColName();
- return 0;
- }
-
- virtual SQLfield GetValue(int row, int column)
- {
- if ((row >= 0) && (row < rows) && (column >= 0) && (column < Cols()))
- {
- return fieldlists[row][column];
- }
-
- throw SQLbadColName();
-
- /* XXX: We never actually get here because of the throw */
- return SQLfield("",true);
- }
-
- virtual SQLfieldList& GetRow()
+ bool GetRow(SQL::Row& result) CXX11_OVERRIDE
{
if (currentrow < rows)
- return fieldlists[currentrow];
- else
- return emptyfieldlist;
- }
-
- virtual SQLfieldMap& GetRowMap()
- {
- /* In an effort to reduce overhead we don't actually allocate the map
- * until the first time it's needed...so...
- */
- if(fieldmap)
{
- fieldmap->clear();
+ result.assign(fieldlists[currentrow].begin(), fieldlists[currentrow].end());
+ currentrow++;
+ return true;
}
else
{
- fieldmap = new SQLfieldMap;
+ result.clear();
+ return false;
}
-
- if (currentrow < rows)
- {
- for (int i = 0; i < Cols(); i++)
- {
- fieldmap->insert(std::make_pair(ColName(i), GetValue(currentrow, i)));
- }
- currentrow++;
- }
-
- return *fieldmap;
}
- virtual SQLfieldList* GetRowPtr()
+ void GetCols(std::vector<std::string>& result) CXX11_OVERRIDE
{
- fieldlist = new SQLfieldList();
-
- if (currentrow < rows)
- {
- for (int i = 0; i < Rows(); i++)
- {
- fieldlist->push_back(fieldlists[currentrow][i]);
- }
- currentrow++;
- }
- return fieldlist;
+ result.assign(columns.begin(), columns.end());
}
- virtual SQLfieldMap* GetRowMapPtr()
+ bool HasColumn(const std::string& column, size_t& index) CXX11_OVERRIDE
{
- fieldmap = new SQLfieldMap();
-
- if (currentrow < rows)
+ for (size_t i = 0; i < columns.size(); ++i)
{
- for (int i = 0; i < Cols(); i++)
+ if (columns[i] == column)
{
- fieldmap->insert(std::make_pair(colnames[i],GetValue(currentrow, i)));
+ index = i;
+ return true;
}
- currentrow++;
}
-
- return fieldmap;
- }
-
- virtual void Free(SQLfieldMap* fm)
- {
- delete fm;
- }
-
- virtual void Free(SQLfieldList* fl)
- {
- delete fl;
+ return false;
}
-
-
};
-class SQLConn : public classbase
+class SQLConn : public SQL::Provider
{
- private:
- ResultQueue results;
- Module* mod;
- SQLhost host;
sqlite3* conn;
+ reference<ConfigTag> config;
public:
- SQLConn(Module* m, const SQLhost& hi)
- : mod(m), host(hi)
+ SQLConn(Module* Parent, ConfigTag* tag) : SQL::Provider(Parent, "SQL/" + tag->getString("id")), config(tag)
{
- if (OpenDB() != SQLITE_OK)
+ std::string host = tag->getString("hostname");
+ if (sqlite3_open_v2(host.c_str(), &conn, SQLITE_OPEN_READWRITE, 0) != SQLITE_OK)
{
- ServerInstance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: Could not open DB with id: " + host.id);
- CloseDB();
+ // Even in case of an error conn must be closed
+ sqlite3_close(conn);
+ conn = NULL;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "WARNING: Could not open DB with id: " + tag->getString("id"));
}
}
~SQLConn()
{
- CloseDB();
+ if (conn)
+ {
+ sqlite3_interrupt(conn);
+ sqlite3_close(conn);
+ }
}
- SQLerror Query(SQLrequest &req)
+ void Query(SQL::Query* query, const std::string& q)
{
- /* 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++)
+ SQLite3Result res;
+ sqlite3_stmt *stmt;
+ int err = sqlite3_prepare_v2(conn, q.c_str(), q.length(), &stmt, NULL);
+ if (err != SQLITE_OK)
{
- if (i->size() > maxparamlen)
- maxparamlen = i->size();
+ SQL::Error error(SQL::QSEND_FAIL, sqlite3_errmsg(conn));
+ query->OnError(error);
+ return;
}
-
- /* 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
- */
-
- query = new char[req.query.q.length() + (maxparamlen*paramcount*2) + 1];
- queryend = query;
-
- for(unsigned long i = 0; i < req.query.q.length(); i++)
+ int cols = sqlite3_column_count(stmt);
+ res.columns.resize(cols);
+ for(int i=0; i < cols; i++)
+ {
+ res.columns[i] = sqlite3_column_name(stmt, i);
+ }
+ while (1)
{
- if(req.query.q[i] == '?')
+ err = sqlite3_step(stmt);
+ if (err == SQLITE_ROW)
{
- /* We found a place to substitute..what fun.
- * use sqlite 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'))
- {
- 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)
+ // Add the row
+ res.fieldlists.resize(res.rows + 1);
+ res.fieldlists[res.rows].resize(cols);
+ for(int i=0; i < cols; i++)
{
- char* escaped;
- escaped = sqlite3_mprintf("%q", paramscopy[paramnum].c_str());
- for (char* n = escaped; *n; n++)
- {
- *queryend = *n;
- queryend++;
- }
- sqlite3_free(escaped);
+ const char* txt = (const char*)sqlite3_column_text(stmt, i);
+ if (txt)
+ res.fieldlists[res.rows][i] = SQL::Field(txt);
}
- else if (req.query.p.size())
- {
- char* escaped;
- escaped = sqlite3_mprintf("%q", req.query.p.front().c_str());
- for (char* n = escaped; *n; n++)
- {
- *queryend = *n;
- queryend++;
- }
- sqlite3_free(escaped);
- req.query.p.pop_front();
- }
- else
- break;
+ res.rows++;
+ }
+ else if (err == SQLITE_DONE)
+ {
+ query->OnResult(res);
+ break;
}
else
{
- *queryend = req.query.q[i];
- queryend++;
+ SQL::Error error(SQL::QREPLY_FAIL, sqlite3_errmsg(conn));
+ query->OnError(error);
+ break;
}
}
- *queryend = 0;
- req.query.q = query;
-
- SQLite3Result* res = new SQLite3Result(mod, req.source, 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)
- {
- std::string error(errmsg);
- sqlite3_free(errmsg);
- delete[] query;
- delete res;
- return SQLerror(SQL_QSEND_FAIL, error);
- }
- delete[] query;
-
- results.push_back(res);
- SendResults();
- return SQLerror();
+ sqlite3_finalize(stmt);
}
- static int QueryResult(void *params, int argc, char **argv, char **azColName)
+ void Submit(SQL::Query* query, const std::string& q) CXX11_OVERRIDE
{
- paramlist* p = (paramlist*)params;
- ((SQLConn*)(*p)[0])->ResultReady(((SQLite3Result*)(*p)[1]), argc, argv, azColName);
- return 0;
+ Query(query, q);
+ delete query;
}
- static void QueryUpdateHook(void *params, int eventid, char const * azSQLite, char const * azColName, sqlite_int64 rowid)
+ void Submit(SQL::Query* query, const std::string& q, const SQL::ParamList& p) CXX11_OVERRIDE
{
- 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 AffectedReady(SQLite3Result *res)
- {
- res->UpdateAffectedCount();
- }
-
- int OpenDB()
- {
- return sqlite3_open_v2(host.host.c_str(), &conn, SQLITE_OPEN_READWRITE, 0);
- }
-
- void CloseDB()
- {
- sqlite3_interrupt(conn);
- sqlite3_close(conn);
- }
-
- SQLhost GetConfHost()
- {
- return host;
- }
-
- void SendResults()
- {
- while (results.size())
+ std::string res;
+ unsigned int param = 0;
+ for(std::string::size_type i = 0; i < q.length(); i++)
{
- SQLite3Result* res = results[0];
- if (res->dest)
- {
- res->Send();
- }
+ if (q[i] != '?')
+ res.push_back(q[i]);
else
{
- /* If the client module is unloaded partway through a query then the provider will set
- * 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...
- */
- delete res;
+ if (param < p.size())
+ {
+ char* escaped = sqlite3_mprintf("%q", p[param++].c_str());
+ res.append(escaped);
+ sqlite3_free(escaped);
+ }
}
- results.pop_front();
}
+ Submit(query, res);
}
- void ClearResults()
+ void Submit(SQL::Query* query, const std::string& q, const SQL::ParamMap& p) CXX11_OVERRIDE
{
- while (results.size())
+ std::string res;
+ for(std::string::size_type i = 0; i < q.length(); i++)
{
- SQLite3Result* res = results[0];
- delete res;
- results.pop_front();
+ if (q[i] != '$')
+ res.push_back(q[i]);
+ else
+ {
+ std::string field;
+ i++;
+ while (i < q.length() && isalnum(q[i]))
+ field.push_back(q[i++]);
+ i--;
+
+ SQL::ParamMap::const_iterator it = p.find(field);
+ if (it != p.end())
+ {
+ char* escaped = sqlite3_mprintf("%q", it->second.c_str());
+ res.append(escaped);
+ sqlite3_free(escaped);
+ }
+ }
}
+ Submit(query, res);
}
-
};
-
class ModuleSQLite3 : public Module
{
- private:
- ConnMap connections;
- unsigned long currid;
- ServiceProvider sqlserv;
+ ConnMap conns;
public:
- ModuleSQLite3()
- : currid(0), sqlserv(this, "SQL/sqlite", SERVICE_DATA)
- {
-
- ReadConf();
-
- Implementation eventlist[] = { I_OnRehash };
- ServerInstance->Modules->Attach(eventlist, this, 1);
- }
-
- virtual ~ModuleSQLite3()
- {
- ClearQueue();
- ClearAllConnections();
- }
-
- void ClearQueue()
- {
- for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
- {
- iter->second->ClearResults();
- }
- }
-
- bool HasHost(const SQLhost &host)
+ ~ModuleSQLite3()
{
- for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
- {
- if (host == iter->second->GetConfHost())
- return true;
- }
- return false;
+ ClearConns();
}
- bool HostInConf(const SQLhost &h)
+ void ClearConns()
{
- ConfigReader conf;
- for(int i = 0; i < conf.Enumerate("database"); i++)
+ for(ConnMap::iterator i = conns.begin(); i != conns.end(); 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);
- if (h == host)
- return true;
+ SQLConn* conn = i->second;
+ ServerInstance->Modules->DelService(*conn);
+ delete conn;
}
- return false;
+ conns.clear();
}
- void ReadConf()
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- ClearOldConnections();
-
- ConfigReader conf;
- for(int i = 0; i < conf.Enumerate("database"); i++)
+ ClearConns();
+ ConfigTagList tags = ServerInstance->Config->ConfTags("database");
+ for(ConfigIter i = tags.first; i != tags.second; 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);
-
- if (HasHost(host))
+ if (!stdalgo::string::equalsci(i->second->getString("module"), "sqlite"))
continue;
-
- this->AddConn(host);
+ SQLConn* conn = new SQLConn(this, i->second);
+ conns.insert(std::make_pair(i->second->getString("id"), conn));
+ ServerInstance->Modules->AddService(*conn);
}
}
- void AddConn(const SQLhost& hi)
+ Version GetVersion() CXX11_OVERRIDE
{
- if (HasHost(hi))
- {
- ServerInstance->Logs->Log("m_sqlite3",DEFAULT, "WARNING: A sqlite connection with id: %s already exists. Aborting database open attempt.", hi.id.c_str());
- return;
- }
-
- SQLConn* newconn;
-
- newconn = new SQLConn(this, hi);
-
- connections.insert(std::make_pair(hi.id, newconn));
- }
-
- 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);
- }
- }
+ return Version("Provides SQLite3 support", VF_VENDOR);
}
-
- void ClearAllConnections()
- {
- ConnMap::iterator i;
- while ((i = connections.begin()) != connections.end())
- {
- connections.erase(i);
- delete i->second;
- }
- }
-
- virtual void OnRehash(User* user)
- {
- ReadConf();
- }
-
- void OnRequest(Request& request)
- {
- if(strcmp(SQLREQID, request.id) == 0)
- {
- SQLrequest* req = (SQLrequest*)&request;
- ConnMap::iterator iter;
- if((iter = connections.find(req->dbid)) != connections.end())
- {
- req->id = NewID();
- req->error = iter->second->Query(*req);
- }
- else
- {
- req->error.Id(SQL_BAD_DBID);
- }
- }
- }
-
- unsigned long NewID()
- {
- if (currid+1 == 0)
- currid++;
-
- return ++currid;
- }
-
- virtual Version GetVersion()
- {
- return Version("sqlite3 provider", VF_VENDOR);
- }
-
};
MODULE_INIT(ModuleSQLite3)
projects / user / henk / code / inspircd.git / blobdiff