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authorpeavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7>2007-01-14 20:14:55 +0000
committerpeavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7>2007-01-14 20:14:55 +0000
commit66d496da308472b506301d4588bc378da6b91a6f (patch)
treec1e1a81ddb8288cc07513836d708187cfa1bdf8b /src
parent208f557d4a3c1211cbccb5733370f2e1eb8cf065 (diff)
Now with SQLite3 support. Fully functional and (hopefully) working.
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@6332 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src')
-rw-r--r--src/modules/extra/m_sqlite3.cpp181
1 files changed, 168 insertions, 13 deletions
diff --git a/src/modules/extra/m_sqlite3.cpp b/src/modules/extra/m_sqlite3.cpp
index b0a0afbe5..889e84545 100644
--- a/src/modules/extra/m_sqlite3.cpp
+++ b/src/modules/extra/m_sqlite3.cpp
@@ -32,11 +32,62 @@
class SQLConn;
class SQLite3Result;
+class ResultNotifier;
typedef std::map<std::string, SQLConn*> ConnMap;
typedef std::deque<classbase*> paramlist;
typedef std::deque<SQLite3Result*> ResultQueue;
+ResultNotifier* resultnotify = NULL;
+
+
+class ResultNotifier : public InspSocket
+{
+ Module* mod;
+ insp_sockaddr sock_us;
+ socklen_t uslen;
+
+ public:
+ /* Create a socket on a random port. Let the tcp stack allocate us an available port */
+#ifdef IPV6
+ ResultNotifier(InspIRCd* SI, Module* m) : InspSocket(SI, "::1", 0, true, 3000), mod(m)
+#else
+ ResultNotifier(InspIRCd* SI, Module* m) : InspSocket(SI, "127.0.0.1", 0, true, 3000), mod(m)
+#endif
+ {
+ uslen = sizeof(sock_us);
+ if (getsockname(this->fd,(sockaddr*)&sock_us,&uslen))
+ {
+ throw ModuleException("Could not create random listening port on localhost");
+ }
+ }
+
+ ResultNotifier(InspIRCd* SI, Module* m, int newfd, char* ip) : InspSocket(SI, newfd, ip), mod(m)
+ {
+ 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)
+ {
+ Instance->Log(DEBUG,"Inbound connection on fd %d!",newsock);
+ Dispatch();
+ return false;
+ }
+
+ void Dispatch();
+};
+
+
class SQLite3Result : public SQLresult
{
private:
@@ -53,7 +104,7 @@ class SQLite3Result : public SQLresult
public:
SQLite3Result(Module* self, Module* to, unsigned int id)
- : SQLresult(self, to, id), currentrow(0), rows(0), cols(0)
+ : SQLresult(self, to, id), currentrow(0), rows(0), cols(0), fieldlist(NULL), fieldmap(NULL)
{
}
@@ -225,6 +276,11 @@ class SQLConn : public classbase
}
}
+ ~SQLConn()
+ {
+ CloseDB();
+ }
+
SQLerror Query(SQLrequest &req)
{
/* Pointer to the buffer we screw around with substitution in */
@@ -286,6 +342,7 @@ class SQLConn : public classbase
// Instance->Log(DEBUG, "<******> Doing query: " + ConvToStr(req.query.q.data()));
SQLite3Result* res = new SQLite3Result(mod, req.GetSource(), req.id);
+ res->dbid = host.id;
res->query = req.query.q;
paramlist params;
params.push_back(this);
@@ -304,7 +361,7 @@ class SQLConn : public classbase
delete[] query;
results.push_back(res);
-
+ SendNotify();
return SQLerror();
}
@@ -320,13 +377,6 @@ class SQLConn : public classbase
res->AddRow(cols, data, colnames);
}
- void QueryDone(SQLrequest* req, int rows)
- {
- SQLite3Result* r = new SQLite3Result(mod, req->GetSource(), req->id);
- r->dbid = host.id;
- r->query = req->query.q;
- }
-
int OpenDB()
{
return sqlite3_open(host.host.c_str(), &conn);
@@ -345,7 +395,7 @@ class SQLConn : public classbase
void SendResults()
{
- if (results.size())
+ while (results.size())
{
SQLite3Result* res = results[0];
if (res->GetDest())
@@ -365,6 +415,47 @@ class SQLConn : public classbase
}
}
+ void ClearResults()
+ {
+ while (results.size())
+ {
+ SQLite3Result* res = results[0];
+ delete res;
+ results.pop_front();
+ }
+ }
+
+ void SendNotify()
+ {
+ int QueueFD;
+ if ((QueueFD = socket(AF_FAMILY, SOCK_STREAM, 0)) == -1)
+ {
+ /* crap, we're out of sockets... */
+ return;
+ }
+
+ insp_sockaddr addr;
+
+#ifdef IPV6
+ insp_aton("::1", &addr.sin6_addr);
+ addr.sin6_family = AF_FAMILY;
+ addr.sin6_port = htons(resultnotify->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());
+#endif
+
+ if (connect(QueueFD, (sockaddr*)&addr,sizeof(addr)) == -1)
+ {
+ /* wtf, we cant connect to it, but we just created it! */
+ return;
+ }
+ send(QueueFD, "\n", 2, 0);
+ }
+
};
@@ -382,9 +473,12 @@ class ModuleSQLite3 : public Module
if (!ServerInstance->PublishFeature("SQL", this))
{
- throw ModuleException("m_mysql: Unable to publish feature 'SQL'");
+ throw ModuleException("m_sqlite3: Unable to publish feature 'SQL'");
}
+ resultnotify = new ResultNotifier(ServerInstance, this);
+ ServerInstance->Log(DEBUG,"Bound notifier to 127.0.0.1:%d",resultnotify->GetPort());
+
ReadConf();
ServerInstance->PublishInterface("SQL", this);
@@ -392,6 +486,17 @@ class ModuleSQLite3 : public Module
virtual ~ModuleSQLite3()
{
+ ClearQueue();
+ ClearAllConnections();
+ resultnotify->SetFd(-1);
+ resultnotify->state = I_ERROR;
+ resultnotify->OnError(I_ERR_SOCKET);
+ resultnotify->ClosePending = true;
+ if (!ServerInstance->SE->DelFd(resultnotify))
+ {
+ ServerInstance->Log(DEBUG, "m_sqlite3: unable to remove notifier from socket engine!");
+ }
+ delete resultnotify;
ServerInstance->UnpublishInterface("SQL", this);
ServerInstance->UnpublishFeature("SQL");
ServerInstance->DoneWithInterface("SQLutils");
@@ -399,7 +504,23 @@ class ModuleSQLite3 : public Module
void Implements(char* List)
{
- List[I_OnRequest] = 1;
+ List[I_OnRequest] = List[I_OnRequest] = 1;
+ }
+
+ void SendQueue()
+ {
+ for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
+ {
+ iter->second->SendResults();
+ }
+ }
+
+ void ClearQueue()
+ {
+ for (ConnMap::iterator iter = connections.begin(); iter != connections.end(); iter++)
+ {
+ iter->second->ClearResults();
+ }
}
bool HasHost(const SQLhost &host)
@@ -433,7 +554,7 @@ class ModuleSQLite3 : public Module
void ReadConf()
{
- //ClearOldConnections();
+ ClearOldConnections();
ConfigReader conf(ServerInstance);
for(int i = 0; i < conf.Enumerate("database"); i++)
@@ -470,6 +591,36 @@ class ModuleSQLite3 : public Module
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);
+ }
+ }
+ }
+
+ void ClearAllConnections()
+ {
+ ConnMap::iterator i;
+ while ((i = connections.begin()) != connections.end())
+ {
+ connections.erase(i);
+ DELETE(i->second);
+ }
+ }
+
+ virtual void OnRehash(userrec* user, const std::string &parameter)
+ {
+ ReadConf();
+ }
+
virtual char* OnRequest(Request* request)
{
if(strcmp(SQLREQID, request->GetId()) == 0)
@@ -508,6 +659,10 @@ class ModuleSQLite3 : public Module
};
+void ResultNotifier::Dispatch()
+{
+ ((ModuleSQLite3*)mod)->SendQueue();
+}
class ModuleSQLite3Factory : public ModuleFactory
{