# HG changeset patch # User rubidium # Date 1181505548 0 # Node ID 691472811a8e0b81f168cf8a07f0e977ed3340fd # Parent f3c7bbd39a869ac46dcbb81806ce0d95fbbde37c (svn r10082) -Fix [FS#846]: another memory leak in the networking code (benc). diff -r f3c7bbd39a86 -r 691472811a8e src/network/network_data.cpp --- a/src/network/network_data.cpp Sun Jun 10 10:52:19 2007 +0000 +++ b/src/network/network_data.cpp Sun Jun 10 19:59:08 2007 +0000 @@ -30,65 +30,61 @@ // Prepare a DoCommand to be send over the network void NetworkSend_Command(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback) { - CommandPacket *c = MallocT(1); - byte temp_callback; + CommandPacket c; - c->player = _local_player; - c->next = NULL; - c->tile = tile; - c->p1 = p1; - c->p2 = p2; - c->cmd = cmd; - c->callback = 0; + c.player = _local_player; + c.next = NULL; + c.tile = tile; + c.p1 = p1; + c.p2 = p2; + c.cmd = cmd; - temp_callback = 0; + c.callback = 0; + while (c.callback < _callback_table_count && _callback_table[c.callback] != callback) { + c.callback++; + } - while (temp_callback < _callback_table_count && _callback_table[temp_callback] != callback) - temp_callback++; - if (temp_callback == _callback_table_count) { + if (c.callback == _callback_table_count) { DEBUG(net, 0, "Unknown callback. (Pointer: %p) No callback sent", callback); - temp_callback = 0; /* _callback_table[0] == NULL */ + c.callback = 0; // _callback_table[0] == NULL } + ttd_strlcpy(c.text, (_cmd_text != NULL) ? _cmd_text : "", lengthof(c.text)); + if (_network_server) { - // We are the server, so set the command to be executed next possible frame - c->frame = _frame_counter_max + 1; - } else { - c->frame = 0; // The client can't tell which frame, so just make it 0 - } - - ttd_strlcpy(c->text, (_cmd_text != NULL) ? _cmd_text : "", lengthof(c->text)); + /* If we are the server, we queue the command in our 'special' queue. + * In theory, we could execute the command right away, but then the + * client on the server can do everything 1 tick faster than others. + * So to keep the game fair, we delay the command with 1 tick + * which gives about the same speed as most clients. + */ + c.frame = _frame_counter_max + 1; - if (_network_server) { - // If we are the server, we queue the command in our 'special' queue. - // In theory, we could execute the command right away, but then the - // client on the server can do everything 1 tick faster than others. - // So to keep the game fair, we delay the command with 1 tick - // which gives about the same speed as most clients. - NetworkTCPSocketHandler *cs; - - // And we queue it for delivery to the clients - FOR_ALL_CLIENTS(cs) { - if (cs->status > STATUS_AUTH) NetworkAddCommandQueue(cs, c); + CommandPacket *new_cp = MallocT(1); + *new_cp = c; + if (_local_command_queue == NULL) { + _local_command_queue = new_cp; + } else { + /* Find last packet */ + CommandPacket *cp = _local_command_queue; + while (cp->next != NULL) cp = cp->next; + cp->next = new_cp; } - // Only the server gets the callback, because clients should not get them - c->callback = temp_callback; - if (_local_command_queue == NULL) { - _local_command_queue = c; - } else { - // Find last packet - CommandPacket *cp = _local_command_queue; - while (cp->next != NULL) cp = cp->next; - cp->next = c; + /* Only the local client (in this case, the server) gets the callback */ + c.callback = 0; + /* And we queue it for delivery to the clients */ + NetworkTCPSocketHandler *cs; + FOR_ALL_CLIENTS(cs) { + if (cs->status > STATUS_AUTH) NetworkAddCommandQueue(cs, &c); } - return; } - // Clients send their command to the server and forget all about the packet - c->callback = temp_callback; - SEND_COMMAND(PACKET_CLIENT_COMMAND)(c); + c.frame = 0; // The client can't tell which frame, so just make it 0 + + /* Clients send their command to the server and forget all about the packet */ + SEND_COMMAND(PACKET_CLIENT_COMMAND)(&c); } // Execute a DoCommand we received from the network