1 files changed, 90 insertions, 0 deletions
diff --git a/src/net_common.h b/src/net_common.h
new file mode 100644
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+++ b/src/net_common.h
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+// Emacs style mode select   -*- C++ -*- 
+//-----------------------------------------------------------------------------
+//
+// $Id: net_common.h 263 2006-01-08 00:10:48Z fraggle $
+//
+// Copyright(C) 2005 Simon Howard
+//
+// This program 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; either version 2
+// of the License, or (at your option) any later version.
+//
+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// $Log$
+// Revision 1.1  2006/01/08 00:10:48  fraggle
+// Move common connection code into net_common.c, shared by server
+// and client code.
+//
+//
+// Common code shared between the client and server
+//
+
+#ifndef NET_COMMON_H
+#define NET_COMMON_H
+
+#include "net_defs.h"
+
+typedef enum 
+{
+    // sending syn packets, waiting for an ACK reply 
+    // (client side)
+
+    NET_CONN_STATE_CONNECTING,
+
+    // received a syn, sent an ack, waiting for an ack reply
+    // (server side)
+
+    NET_CONN_STATE_WAITING_ACK,
+    
+    // successfully connected
+
+    NET_CONN_STATE_CONNECTED,
+
+    // sent a DISCONNECT packet, waiting for a DISCONNECT_ACK reply
+
+    NET_CONN_STATE_DISCONNECTING,
+
+    // client successfully disconnected
+
+    NET_CONN_STATE_DISCONNECTED,
+
+    // We are disconnected, but in a sleep state, waiting for several
+    // seconds.  This is in case the DISCONNECT_ACK we sent failed
+    // to arrive, and we need to send another one.  We keep this as
+    // a valid connection for a few seconds until we are sure that
+    // the other end has successfully disconnected as well.
+
+    NET_CONN_STATE_DISCONNECTED_SLEEP,
+
+} net_connstate_t;
+
+#define MAX_RETRIES 5
+
+typedef struct 
+{
+    net_connstate_t state;
+    net_addr_t *addr;
+    int last_send_time;
+    int num_retries;
+} net_connection_t;
+
+
+void NET_Conn_InitClient(net_connection_t *conn, net_addr_t *addr);
+void NET_Conn_InitServer(net_connection_t *conn, net_addr_t *addr);
+boolean NET_Conn_Packet(net_connection_t *conn, net_packet_t *packet,
+                        int packet_type);
+void NET_Conn_Disconnect(net_connection_t *conn);
+void NET_Conn_Run(net_connection_t *conn);
+
+#endif /* #ifndef NET_COMMON_H */
+