libt2n: (gerd) refactored connection classes
[libt2n] / src / server.cpp
index 3424cd8..3972ef4 100644 (file)
 namespace libt2n
 {
 
-void connection::check_timeout()
+void server_connection::check_timeout()
 {
     if (timeout != -1 && last_action_time+timeout >= time(NULL))
         this->close();
 }
 
-void connection::reset_timeout()
+void server_connection::reset_timeout()
 {
     last_action_time=time(NULL);
 }
 
-std::string connection::get_id_string()
-{
-    std::ostringstream os;
-    os << get_id();
-    return os.str();
-}
-
-bool connection::get_packet(std::string& data, unsigned int& conn_id)
-{
-    // max packet size is unsigned int
-
-    // no size information -> no packet
-    if (buffer.size() < sizeof(unsigned int))
-        return false;
-
-    unsigned int psize=*((unsigned int*)(buffer.data()));
-
-    // enough data for one packet in buffer?
-    if (buffer.size() < sizeof(unsigned int)+psize)
-        return false;
-
-    data.assign(buffer,sizeof(unsigned int),psize);
-    buffer.erase(0,sizeof(unsigned int)+psize);
-
-    return true;
-}
-
 server::~server()
 {
-    std::map<unsigned int, connection*>::iterator ie=connections.end();
-    for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
+    std::map<unsigned int, server_connection*>::iterator ie=connections.end();
+    for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
         delete i->second;
 }
 
-int server::add_connection(connection* newconn)
+int server::add_connection(server_connection* newconn)
 {
     unsigned int cid=next_id++;
     newconn->set_id(cid);
@@ -85,20 +58,34 @@ int server::add_connection(connection* newconn)
     
     \retval Pointer to connection object
 */
-connection* server::get_connection(unsigned int conn_id)
+server_connection* server::get_connection(unsigned int conn_id)
 {
-    std::map<unsigned int, connection*>::iterator p=connections.find(conn_id);
+    std::map<unsigned int, server_connection*>::iterator p=connections.find(conn_id);
     if (p==connections.end())
         return NULL;
     else
         return p->second;
 }
 
-void server::check_timeout()
+void server::cleanup()
 {
-    std::map<unsigned int, connection*>::iterator ie=connections.end();
-    for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
+    std::map<unsigned int, server_connection*>::iterator ie=connections.end();
+    for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
         i->second->check_timeout();
+
+    for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie;)
+    {
+        if (i->second->is_closed() && !i->second->packet_available())
+        {
+            // closed and no usable data in buffer -> remove
+            delete i->second;
+            connections.erase(i);
+            i=connections.begin();
+            ie=connections.end();
+        }
+        else
+            i++;
+    }
 }
 
 bool server::get_packet(std::string& data, unsigned int& conn_id)
@@ -106,10 +93,15 @@ bool server::get_packet(std::string& data, unsigned int& conn_id)
     // todo: this is somehow unfair: the first connections in the map get checked more
     // often than the others and can thus block them out
 
-    std::map<unsigned int, connection*>::iterator ie=connections.end();
-    for(std::map<unsigned int, connection*>::iterator i=connections.begin(); i != ie; i++)
-        if (i->second->get_packet(data,conn_id))
+    std::map<unsigned int, server_connection*>::iterator ie=connections.end();
+    for(std::map<unsigned int, server_connection*>::iterator i=connections.begin(); i != ie; i++)
+        if (i->second->get_packet(data))
+        {
+            conn_id=i->first;
             return true;
+        }
+
+    return false;
 }
 
 void server::log(log_level_values level, const char* message)