ref: f459280f965b6e737466e2e250226aa809627c13
parent: 37f611e199bd7a300def37c84f7fdb205534ca19
author: Simon Howard <fraggle@gmail.com>
date: Thu Dec 29 16:29:55 EST 2005
Working client connect code Subversion-branch: /trunk/chocolate-doom Subversion-revision: 233
--- a/src/net_client.c
+++ b/src/net_client.c
@@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
-// $Id: net_client.c 232 2005-12-29 17:48:25Z fraggle $
+// $Id: net_client.c 233 2005-12-29 21:29:55Z fraggle $
//
// Copyright(C) 2005 Simon Howard
//
@@ -21,6 +21,9 @@
// 02111-1307, USA.
//
// $Log$
+// Revision 1.2 2005/12/29 21:29:55 fraggle
+// Working client connect code
+//
// Revision 1.1 2005/12/29 17:48:25 fraggle
// Add initial client/server connect code. Reorganise sources list in
// Makefile.am.
@@ -38,15 +41,130 @@
#include "net_packet.h"
#include "net_server.h"
+typedef enum
+{+ // sent a syn, not received an ack yet
+
+ CLIENT_STATE_CONNECTING,
+
+ // waiting for the game to start
+
+ CLIENT_STATE_WAITING_START,
+
+ // in game
+
+ CLIENT_STATE_IN_GAME,
+} net_clientstate_t;
+
+static net_clientstate_t client_state;
static net_addr_t *server_addr;
static net_context_t *client_context;
+static int last_send_time;
+// parse a received packet
+
+static void ClientParsePacket(net_packet_t *packet)
+{+ unsigned int packet_type;
+
+ if (!NET_ReadInt16(packet, &packet_type))
+ {+ return;
+ }
+
+ switch (packet_type)
+ {+ case NET_PACKET_TYPE_ACK:
+
+ // received an acknowledgement to the SYN we sent
+
+ if (client_state == CLIENT_STATE_CONNECTING)
+ {+ client_state = CLIENT_STATE_WAITING_START;
+ }
+ break;
+
+ case NET_PACKET_TYPE_GAMESTART:
+ break;
+
+ case NET_PACKET_TYPE_GAMEDATA:
+ break;
+ default:
+ break;
+ }
+}
+
+// called when we are in the "connecting" state
+
+static void ClientConnecting(void)
+{+ net_packet_t *packet;
+
+ // send a SYN packet every second
+
+ if (last_send_time < 0 || I_GetTimeMS() - last_send_time > 1000)
+ {+ // construct a SYN packet
+
+ packet = NET_NewPacket(10);
+
+ // packet type
+
+ NET_WriteInt16(packet, NET_PACKET_TYPE_SYN);
+
+ // magic number
+
+ NET_WriteInt32(packet, NET_MAGIC_NUMBER);
+
+ // send to the server
+
+ NET_SendPacket(server_addr, packet);
+
+ NET_FreePacket(packet);
+
+ last_send_time = I_GetTimeMS();
+ }
+}
+
+// "Run" the client code: check for new packets, send packets as
+// needed
+
+void NET_ClientRun(void)
+{+ net_addr_t *addr;
+ net_packet_t *packet;
+
+ while (NET_RecvPacket(client_context, &addr, &packet))
+ {+ // only accept packets from the server
+
+ if (addr == server_addr)
+ {+ ClientParsePacket(packet);
+ }
+
+ NET_FreePacket(packet);
+ }
+
+ // send packets as needed
+
+ switch (client_state)
+ {+ case CLIENT_STATE_CONNECTING:
+ ClientConnecting();
+ break;
+ case CLIENT_STATE_WAITING_START:
+ break;
+ case CLIENT_STATE_IN_GAME:
+ break;
+ }
+}
+
// connect to a server
boolean NET_ClientConnect(net_addr_t *addr)
{- net_packet_t *packet;
- int last_send_time = -1;
+ int start_time;
server_addr = addr;
@@ -66,32 +184,41 @@
// try to connect
- // construct a SYN packet
+ client_state = CLIENT_STATE_CONNECTING;
+ last_send_time = -1;
- packet = NET_NewPacket(10);
+ start_time = I_GetTimeMS();
- // packet type
-
- NET_WriteInt16(packet, NET_PACKET_TYPE_SYN);
-
- // magic number
-
- NET_WriteInt32(packet, NET_MAGIC_NUMBER);
-
- while (true)
+ while (client_state == CLIENT_STATE_CONNECTING)
{- if (I_GetTime() - last_send_time > 35)
- {- // resend packet
+ // time out after 5 seconds
- NET_SendPacket(addr, packet);
- last_send_time = I_GetTime();
+ if (I_GetTime() - start_time > 5000)
+ {+ break;
}
+ // run client code
+
+ NET_ClientRun();
+
// run the server, just incase we are doing a loopback
// connect
NET_ServerRun();
+ }
+
+ if (client_state != CLIENT_STATE_CONNECTING)
+ {+ // connected ok!
+
+ return true;
+ }
+ else
+ {+ // failed to connect
+
+ return false;
}
}
--- a/src/net_client.h
+++ b/src/net_client.h
@@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
-// $Id: net_client.h 232 2005-12-29 17:48:25Z fraggle $
+// $Id: net_client.h 233 2005-12-29 21:29:55Z fraggle $
//
// Copyright(C) 2005 Simon Howard
//
@@ -21,6 +21,9 @@
// 02111-1307, USA.
//
// $Log$
+// Revision 1.2 2005/12/29 21:29:55 fraggle
+// Working client connect code
+//
// Revision 1.1 2005/12/29 17:48:25 fraggle
// Add initial client/server connect code. Reorganise sources list in
// Makefile.am.
@@ -34,7 +37,7 @@
#include "net_defs.h"
-boolean NET_ClietConnect(net_addr_t *addr);
+boolean NET_ClientConnect(net_addr_t *addr);
#endif /* #ifndef NET_CLIENT_H */
--- a/src/net_loop.c
+++ b/src/net_loop.c
@@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
-// $Id: net_loop.c 229 2005-10-30 19:56:15Z fraggle $
+// $Id: net_loop.c 233 2005-12-29 21:29:55Z fraggle $
//
// Copyright(C) 2005 Simon Howard
//
@@ -21,6 +21,9 @@
// 02111-1307, USA.
//
// $Log$
+// Revision 1.2 2005/12/29 21:29:55 fraggle
+// Working client connect code
+//
// Revision 1.1 2005/10/30 19:56:15 fraggle
// Add foundation code for the new networking system
//
@@ -99,7 +102,6 @@
static boolean NET_CL_InitClient(void)
{QueueInit(&client_queue);
- client_addr.module = &net_loop_client_module;
return true;
}
@@ -125,6 +127,7 @@
{*packet = popped;
*addr = &client_addr;
+ client_addr.module = &net_loop_client_module;
return true;
}
@@ -143,6 +146,8 @@
static net_addr_t *NET_CL_ResolveAddress(char *address)
{+ client_addr.module = &net_loop_client_module;
+
return &client_addr;
}
@@ -172,7 +177,6 @@
static boolean NET_SV_InitServer(void)
{QueueInit(&server_queue);
- server_addr.module = &net_loop_server_module;
return true;
}
@@ -192,6 +196,7 @@
{*packet = popped;
*addr = &server_addr;
+ server_addr.module = &net_loop_server_module;
return true;
}
@@ -210,6 +215,7 @@
static net_addr_t *NET_SV_ResolveAddress(char *address)
{+ server_addr.module = &net_loop_server_module;
return &server_addr;
}
--- a/src/net_server.c
+++ b/src/net_server.c
@@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
-// $Id: net_server.c 232 2005-12-29 17:48:25Z fraggle $
+// $Id: net_server.c 233 2005-12-29 21:29:55Z fraggle $
//
// Copyright(C) 2005 Simon Howard
//
@@ -21,6 +21,9 @@
// 02111-1307, USA.
//
// $Log$
+// Revision 1.2 2005/12/29 21:29:55 fraggle
+// Working client connect code
+//
// Revision 1.1 2005/12/29 17:48:25 fraggle
// Add initial client/server connect code. Reorganise sources list in
// Makefile.am.
@@ -80,7 +83,7 @@
// read the magic number
- if (!NET_ReadInt16(packet, &magic))
+ if (!NET_ReadInt32(packet, &magic))
{return;
}