VOID ServiceConnection(IACP *iacp)
{
THREAD tid;
CLIENT *client;
static CHAR *fid = "ServiceConnection";
BlockOnShutdown();
/* Grab the next available CLIENT slot */
if ((client = NextAvailableClient(iacp)) == NULL) {
LogMsg(LOG_WARN, "WARNING: new connection rejected (threshold reached)");
BreakNewConnection(iacp, IACP_ALERT_SERVER_BUSY);
return;
}
/* Otherwise, leave behind a thread to deal with it */
if (!THREAD_CREATE(&tid, ServiceThread, client)) {
LogMsg(LOG_ERR, "%s: %s: THREAD_CREATE: %s", client->ident, fid, strerror(errno));
BreakNewConnection(iacp, IACP_ALERT_SERVER_FAULT);
return;
}
THREAD_DETACH(tid);
}
static ClientPtr
AllocNewConnection (XtransConnInfo trans_conn, int fd, CARD32 conn_time)
{
OsCommPtr oc;
ClientPtr client;
if (
#ifndef WIN32
fd >= lastfdesc
#else
XFD_SETCOUNT(&AllClients) >= MaxClients
#endif
)
return NullClient;
oc = malloc(sizeof(OsCommRec));
if (!oc)
return NullClient;
oc->trans_conn = trans_conn;
oc->fd = fd;
oc->input = (ConnectionInputPtr)NULL;
oc->output = (ConnectionOutputPtr)NULL;
oc->auth_id = None;
oc->conn_time = conn_time;
if (!(client = NextAvailableClient((pointer)oc)))
{
free(oc);
return NullClient;
}
oc->local_client = ComputeLocalClient(client);
#if !defined(WIN32)
ConnectionTranslation[fd] = client->index;
#else
SetConnectionTranslation(fd, client->index);
#endif
if (GrabInProgress)
{
FD_SET(fd, &SavedAllClients);
FD_SET(fd, &SavedAllSockets);
}
else
{
FD_SET(fd, &AllClients);
FD_SET(fd, &AllSockets);
}
#ifdef DEBUG
ErrorF("AllocNewConnection: client index = %d, socket fd = %d\n",
client->index, fd);
#endif
#ifdef XSERVER_DTRACE
XSERVER_CLIENT_CONNECT(client->index, fd);
#endif
return client;
}
/*
* accepts new connections
*/
void
MakeNewConnections(void)
{
fd_mask readyconnections;
int curconn;
int newconn;
long connect_time;
int i;
ClientPtr client;
OsCommPtr oc;
fd_set tmask;
XFD_ANDSET (&tmask, &LastSelectMask, &WellKnownConnections);
readyconnections = tmask.fds_bits[0];
if (!readyconnections)
return;
connect_time = GetTimeInMillis();
/* kill off stragglers */
for (i = MINCLIENT; i < currentMaxClients; i++) {
if ((client = clients[i]) != NullClient) {
oc = (OsCommPtr) client->osPrivate;
if ((oc && (oc->conn_time != 0) &&
(connect_time - oc->conn_time) >= TimeOutValue) ||
((client->noClientException != FSSuccess) &&
(client->clientGone != CLIENT_GONE)))
CloseDownClient(client);
}
}
while (readyconnections) {
XtransConnInfo trans_conn, new_trans_conn;
int status;
curconn = ffs(readyconnections) - 1;
readyconnections &= ~(1 << curconn);
if ((trans_conn = lookup_trans_conn (curconn)) == NULL)
continue;
if ((new_trans_conn = _FontTransAccept (trans_conn, &status)) == NULL)
continue;
newconn = _FontTransGetConnectionNumber (new_trans_conn);
_FontTransSetOption(new_trans_conn, TRANS_NONBLOCKING, 1);
oc = (OsCommPtr) fsalloc(sizeof(OsCommRec));
if (!oc) {
fsfree(oc);
error_conn_max(new_trans_conn);
_FontTransClose(new_trans_conn);
continue;
}
FD_SET(newconn, &AllClients);
FD_SET(newconn, &AllSockets);
oc->fd = newconn;
oc->trans_conn = new_trans_conn;
oc->input = (ConnectionInputPtr) NULL;
oc->output = (ConnectionOutputPtr) NULL;
oc->conn_time = connect_time;
if ((newconn < lastfdesc) &&
(client = NextAvailableClient((pointer) oc))) {
ConnectionTranslation[newconn] = client->index;
} else {
error_conn_max(new_trans_conn);
close_fd(oc);
}
}
}