void NET_Shutdown (void)
{
qsocket_t *sock;
SetNetTime();
for (sock = net_activeSockets; sock; sock = sock->next)
NET_Close(sock);
//
// shutdown the drivers
//
for (net_driverlevel = 0; net_driverlevel < net_numdrivers; net_driverlevel++)
{
if (net_drivers[net_driverlevel].initialized == true)
{
net_drivers[net_driverlevel].Shutdown ();
net_drivers[net_driverlevel].initialized = false;
}
}
if (vcrFile != -1)
{
Con_Printf ("Closing vcrfile.\n");
Sys_FileClose(vcrFile);
}
}
/*
=====================
CL_Disconnect
Sends a disconnect message to the server
This is also called on Host_Error, so it shouldn't cause any errors
=====================
*/
void
CL_Disconnect(void)
{
// stop sounds (especially looping!)
S_StopAllSounds(true);
/* Clear up view, remove palette shift */
scr_centertime_off = 0;
cl.cshifts[0].percent = 0;
VID_SetPalette(host_basepal);
// if running a local server, shut it down
if (cls.demoplayback)
CL_StopPlayback();
else if (cls.state >= ca_connected) {
if (cls.demorecording)
CL_Stop_f();
Con_DPrintf("Sending clc_disconnect\n");
SZ_Clear(&cls.message);
MSG_WriteByte(&cls.message, clc_disconnect);
NET_SendUnreliableMessage(cls.netcon, &cls.message);
SZ_Clear(&cls.message);
NET_Close(cls.netcon);
cls.state = ca_disconnected;
if (sv.active)
Host_ShutdownServer(false);
}
cls.demoplayback = false;
cls.timedemo = false;
cls.signon = 0;
cl.intermission = 0; /* FIXME - for SCR_UpdateScreen */
}
/**
* Sends a disconnect message to the server
* This is also called on Host_Error, so it shouldn't cause any errors
*/
void CL_Disconnect(void) {
// stop sounds (especially looping!)
S_StopAllSounds(true);
// bring the console down and fade the colors back to normal
// SCR_BringDownConsole ();
// if running a local server, shut it down
if (cls.demoplayback)
CL_StopPlayback();
else if (cls.state == ca_connected) {
if (cls.demorecording)
CL_Stop_f();
Con_DPrintf("Sending clc_disconnect\n");
SZ_Clear(&cls.message);
MSG_WriteByte(&cls.message, clc_disconnect);
NET_SendUnreliableMessage(cls.netcon, &cls.message);
SZ_Clear(&cls.message);
NET_Close(cls.netcon);
cls.state = ca_disconnected;
if (sv.active)
Host_ShutdownServer(false);
}
cls.demoplayback = cls.timedemo = false;
cls.signon = 0;
}
/*
=====================
SV_DropClient
Called when the player is getting totally kicked off the host
if (crash = true), don't bother sending signofs
=====================
*/
void SV_DropClient (bool crash)
{
int saveSelf;
int i;
client_t *client;
if (!host_client->active)
return;
if (!crash)
{
// send any final messages (don't check for errors)
if (NET_CanSendMessage (host_client->netconnection))
{
MSG_WriteByte (&host_client->message, svc_disconnect);
NET_SendMessage (host_client->netconnection, &host_client->message);
}
if (host_client->edict && host_client->spawned)
{
// call the prog function for removing a client
// this will set the body to a dead frame, among other things
saveSelf = pr_global_struct->self;
pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
PR_ExecuteProgram (pr_global_struct->ClientDisconnect);
pr_global_struct->self = saveSelf;
}
Sys_Printf ("Client %s removed\n",host_client->name);
}
/*if (host_client->netconnection->proquake_connection == MOD_QSMACK)
qsmackActive = false;*/
// break the net connection
NET_Close (host_client->netconnection);
host_client->netconnection = NULL;
// free the client (the body stays around)
host_client->active = false;
host_client->name[0] = 0;
host_client->old_frags = -999999;
net_activeconnections--;
// send notification to all clients
for (i=0, client = svs.clients ; i<svs.maxclients ; i++, client++)
{
if (!client->active)
continue;
MSG_WriteByte (&client->message, svc_updatename);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteString (&client->message, "");
MSG_WriteByte (&client->message, svc_updatefrags);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteShort (&client->message, 0);
MSG_WriteByte (&client->message, svc_updatecolors);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteByte (&client->message, 0);
}
}
void NET_Shutdown (void)
{
qsocket_t *sock;
SetNetTime();
for (sock = net_activeSockets; sock; sock = sock->next)
NET_Close(sock);
// shutdown the drivers
for (net_driverlevel = 0; net_driverlevel < net_numdrivers; net_driverlevel++)
if (net_drivers[net_driverlevel].initialized == TRUE)
{
net_drivers[net_driverlevel].Shutdown ();
net_drivers[net_driverlevel].initialized = FALSE;
}
}
int NET_GetMessage (qsocket_t *sock)
{
int ret;
if (!sock)
return -1;
if (sock->disconnected)
{
Con_Printf("NET_GetMessage: disconnected socket\n");
return -1;
}
SetNetTime();
ret = sfunc.QGetMessage(sock);
// see if this connection has timed out
if (ret == 0 && sock->driver)
{
if (net_time - sock->lastMessageTime > net_messagetimeout.value)
{
NET_Close(sock);
return -1;
}
}
if (ret > 0)
{
if (sock->driver)
{
sock->lastMessageTime = net_time;
if (ret == 1)
messagesReceived++;
else if (ret == 2)
unreliableMessagesReceived++;
}
}
return ret;
}
/*
* ====================
* NET_Shutdown
* ====================
*/
void
NET_Shutdown(void)
{
int i;
qsocket_t *sock;
SetNetTime();
for (sock = net_activeSockets; sock; sock = sock->next)
NET_Close(sock);
/*
* shutdown the drivers
*/
for (i = 0; i < net_numdrivers; i++) {
net_driver = &net_drivers[i];
if (net_driver->initialized == true) {
net_driver->Shutdown();
net_driver->initialized = false;
}
}
}
/*
* =================
* NET_GetMessage
*
* If there is a complete message, return it in net_message
*
* returns 0 if no data is waiting
* returns 1 if a message was received
* returns -1 if connection is invalid
* =================
*/
int
NET_GetMessage(qsocket_t *sock)
{
int ret;
if (!sock)
return -1;
if (sock->disconnected) {
Con_Printf("%s: disconnected socket\n", __func__);
return -1;
}
SetNetTime();
ret = sock->driver->QGetMessage(sock);
/* see if this connection has timed out (not for loop) */
if (ret == 0 && (!IS_LOOP_DRIVER(sock->driver))) {
if (net_time - sock->lastMessageTime > net_messagetimeout.value) {
NET_Close(sock);
return -1;
}
}
if (ret > 0) {
if (!IS_LOOP_DRIVER(sock->driver)) {
sock->lastMessageTime = net_time;
if (ret == 1)
messagesReceived++;
else if (ret == 2)
unreliableMessagesReceived++;
}
}
return ret;
}
int NET_GetMessage (qsocket_t *sock)
{
int ret;
if (!sock)
return -1;
if (sock->disconnected)
{
Con_Printf("NET_GetMessage: disconnected socket\n");
return -1;
}
SetNetTime();
ret = sfunc.QGetMessage(sock);
// see if this connection has timed out
if (ret == 0 && sock->driver)
{
if (net_time - sock->lastMessageTime > net_messagetimeout.value)
{
NET_Close(sock);
return -1;
}
}
if (ret > 0)
{
if (sock->driver)
{
sock->lastMessageTime = net_time;
if (ret == 1)
messagesReceived++;
else if (ret == 2)
unreliableMessagesReceived++;
}
if (recording)
{
vcrGetMessage.time = host_time;
vcrGetMessage.op = VCR_OP_GETMESSAGE;
vcrGetMessage.session = (long)sock;
vcrGetMessage.ret = ret;
vcrGetMessage.len = net_message.cursize;
Sys_FileWrite (vcrFile, &vcrGetMessage, 24);
Sys_FileWrite (vcrFile, net_message.data, net_message.cursize);
}
}
else
{
if (recording)
{
vcrGetMessage.time = host_time;
vcrGetMessage.op = VCR_OP_GETMESSAGE;
vcrGetMessage.session = (long)sock;
vcrGetMessage.ret = ret;
Sys_FileWrite (vcrFile, &vcrGetMessage, 20);
}
}
return ret;
}
static qsocket_t *_Datagram_CheckNewConnections (void)
{
struct qsockaddr clientaddr;
struct qsockaddr newaddr;
int newsock;
int acceptsock;
qsocket_t *sock;
qsocket_t *s;
int len;
int command;
int control;
int ret;
acceptsock = dfunc.CheckNewConnections();
if (acceptsock == -1)
return NULL;
SZ_Clear(&net_message);
len = dfunc.Read (acceptsock, net_message.data, net_message.maxsize, &clientaddr);
if (len < sizeof(int))
return NULL;
net_message.cursize = len;
MSG_BeginReading ();
control = BigLong(*((int *)net_message.data));
MSG_ReadLong();
if (control == -1)
return NULL;
if ((control & (~NETFLAG_LENGTH_MASK)) != NETFLAG_CTL)
return NULL;
if ((control & NETFLAG_LENGTH_MASK) != len)
return NULL;
command = MSG_ReadByte();
if (command == CCREQ_SERVER_INFO)
{
if (Q_strcmp(MSG_ReadString(), "QUAKE") != 0)
return NULL;
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_SERVER_INFO);
dfunc.GetSocketAddr(acceptsock, &newaddr);
MSG_WriteString(&net_message, dfunc.AddrToString(&newaddr));
MSG_WriteString(&net_message, hostname.string);
MSG_WriteString(&net_message, sv.name);
MSG_WriteByte(&net_message, net_activeconnections);
MSG_WriteByte(&net_message, svs.maxclients);
MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
if (command == CCREQ_PLAYER_INFO)
{
int playerNumber;
int activeNumber;
int clientNumber;
client_t *client;
playerNumber = MSG_ReadByte();
activeNumber = -1;
for (clientNumber = 0, client = svs.clients; clientNumber < svs.maxclients; clientNumber++, client++)
{
if (client->active)
{
activeNumber++;
if (activeNumber == playerNumber)
break;
}
}
if (clientNumber == svs.maxclients)
return NULL;
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_PLAYER_INFO);
MSG_WriteByte(&net_message, playerNumber);
MSG_WriteString(&net_message, client->name);
MSG_WriteLong(&net_message, client->colors);
MSG_WriteLong(&net_message, (int)client->edict->v.frags);
MSG_WriteLong(&net_message, (int)(net_time - client->netconnection->connecttime));
MSG_WriteString(&net_message, client->netconnection->address);
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
if (command == CCREQ_RULE_INFO)
{
char *prevCvarName;
cvar_t *var;
// find the search start location
prevCvarName = MSG_ReadString();
if (*prevCvarName)
{
var = Cvar_FindVar (prevCvarName);
if (!var)
return NULL;
var = var->next;
}
else
var = cvar_vars;
// search for the next server cvar
while (var)
{
if (var->server)
break;
var = var->next;
}
// send the response
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_RULE_INFO);
if (var)
{
MSG_WriteString(&net_message, var->name);
MSG_WriteString(&net_message, var->string);
}
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
if (command != CCREQ_CONNECT)
return NULL;
if (Q_strcmp(MSG_ReadString(), "QUAKE") != 0)
return NULL;
if (MSG_ReadByte() != NET_PROTOCOL_VERSION)
{
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_REJECT);
MSG_WriteString(&net_message, "Incompatible version.\n");
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
#ifdef BAN_TEST
// check for a ban
if (clientaddr.sa_family == AF_INET)
{
unsigned long testAddr;
testAddr = ((struct sockaddr_in *)&clientaddr)->sin_addr.s_addr;
if ((testAddr & banMask) == banAddr)
{
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_REJECT);
MSG_WriteString(&net_message, "You have been banned.\n");
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
}
#endif
// see if this guy is already connected
for (s = net_activeSockets; s; s = s->next)
{
if (s->driver != net_driverlevel)
continue;
ret = dfunc.AddrCompare(&clientaddr, &s->addr);
if (ret >= 0)
{
// is this a duplicate connection reqeust?
if (ret == 0 && net_time - s->connecttime < 2.0)
{
// yes, so send a duplicate reply
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_ACCEPT);
dfunc.GetSocketAddr(s->socket, &newaddr);
MSG_WriteLong(&net_message, dfunc.GetSocketPort(&newaddr));
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
// it's somebody coming back in from a crash/disconnect
// so close the old qsocket and let their retry get them back in
NET_Close(s);
return NULL;
}
}
// allocate a QSocket
sock = NET_NewQSocket ();
if (sock == NULL)
{
// no room; try to let him know
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_REJECT);
MSG_WriteString(&net_message, "Server is full.\n");
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return NULL;
}
// allocate a network socket
newsock = dfunc.OpenSocket(0);
if (newsock == -1)
{
NET_FreeQSocket(sock);
return NULL;
}
// connect to the client
if (dfunc.Connect (newsock, &clientaddr) == -1)
{
dfunc.CloseSocket(newsock);
NET_FreeQSocket(sock);
return NULL;
}
// everything is allocated, just fill in the details
sock->socket = newsock;
sock->landriver = net_landriverlevel;
sock->addr = clientaddr;
Q_strcpy(sock->address, dfunc.AddrToString(&clientaddr));
// send him back the info about the server connection he has been allocated
SZ_Clear(&net_message);
// save space for the header, filled in later
MSG_WriteLong(&net_message, 0);
MSG_WriteByte(&net_message, CCREP_ACCEPT);
dfunc.GetSocketAddr(newsock, &newaddr);
MSG_WriteLong(&net_message, dfunc.GetSocketPort(&newaddr));
// MSG_WriteString(&net_message, dfunc.AddrToString(&newaddr));
*((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
dfunc.Write (acceptsock, net_message.data, net_message.cursize, &clientaddr);
SZ_Clear(&net_message);
return sock;
}
/*
=====================
SV_DropClient
Called when the player is getting totally kicked off the host
if (crash = true), don't bother sending signofs
=====================
*/
void SV_DropClient (qboolean crash)
{
int saveSelf;
int i;
client_t *client;
// JPG 3.00 - don't drop a client that's already been dropped!
if (!host_client->active)
return;
if (!crash)
{
// send any final messages (don't check for errors)
if (NET_CanSendMessage (host_client->netconnection))
{
MSG_WriteByte (&host_client->message, svc_disconnect);
NET_SendMessage (host_client->netconnection, &host_client->message);
}
if (host_client->edict && host_client->spawned)
{
// call the prog function for removing a client
// this will set the body to a dead frame, among other things
saveSelf = pr_global_struct->self;
pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
PR_ExecuteProgram (pr_global_struct->ClientDisconnect);
pr_global_struct->self = saveSelf;
}
// Slot Zero 3.50-2 Added edict to client removed message.
if (pq_showedict.value)
Sys_Printf("#%d ", NUM_FOR_EDICT(host_client->edict));
Sys_Printf ("Client %s removed\n",host_client->name);
}
// JPG 3.00 - check to see if it's a qsmack client
if (host_client->netconnection->mod == MOD_QSMACK)
qsmackActive = false;
// break the net connection
NET_Close (host_client->netconnection);
host_client->netconnection = NULL;
// free the client (the body stays around)
host_client->active = false;
host_client->name[0] = 0;
host_client->old_frags = -999999;
net_activeconnections--;
// send notification to all clients
for (i=0, client = svs.clients ; i<svs.maxclients ; i++, client++)
{
if (!client->active)
continue;
MSG_WriteByte (&client->message, svc_updatename);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteString (&client->message, "");
MSG_WriteByte (&client->message, svc_updatefrags);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteShort (&client->message, 0);
MSG_WriteByte (&client->message, svc_updatecolors);
MSG_WriteByte (&client->message, host_client - svs.clients);
MSG_WriteByte (&client->message, 0);
}
}
int NET_GetMessage (qsocket_t *sock)
{
int ret;
if (!sock)
return -1;
if (sock->disconnected)
{
Con_Printf("NET_GetMessage: disconnected socket\n");
return -1;
}
SetNetTime();
ret = sfunc.QGetMessage(sock);
// see if this connection has timed out
if (ret == 0 && sock->driver)
{
/*
RFC: Why doesn't this work!!! It's the same... or not??
Since when I compile it it evaluates the if body even if it's a smaller number...
if ((net_time - sock->lastMessageTime) > (double)net_messagetimeout.value)
{
Con_Printf("*** Connection timed out after %f s of inactivity (max is %f)\n",delta,net_messagetimeout.value);
//NET_Close(sock);
//return -1;
}
*/
float delta = (net_time - sock->lastMessageTime);
if (delta > net_messagetimeout.value)
{
Con_Printf("*** Connection timed out after %f s of inactivity (max is %f)\n",delta,net_messagetimeout.value);
NET_Close(sock);
return -1;
}
}
if (ret > 0)
{
if (sock->driver)
{
sock->lastMessageTime = net_time;
if (ret == 1)
messagesReceived++;
else if (ret == 2)
unreliableMessagesReceived++;
}
if (recording)
{
vcrGetMessage.time = host_time;
vcrGetMessage.op = VCR_OP_GETMESSAGE;
vcrGetMessage.session = (long)sock;
vcrGetMessage.ret = ret;
vcrGetMessage.len = net_message.cursize;
Sys_FileWrite (vcrFile, &vcrGetMessage, 24);
Sys_FileWrite (vcrFile, net_message.data, net_message.cursize);
}
}
else
{
if (recording)
{
vcrGetMessage.time = host_time;
vcrGetMessage.op = VCR_OP_GETMESSAGE;
vcrGetMessage.session = (long)sock;
vcrGetMessage.ret = ret;
Sys_FileWrite (vcrFile, &vcrGetMessage, 20);
}
}
return ret;
}