robijn
dc619e596f
- Implemented reloading by sending SIGHUP. - Now doing 'real 8Hz' rendering and 32Hz input processing. - Removed noscreen feature (that we rejected).
134 lines
2.4 KiB
C
134 lines
2.4 KiB
C
/*
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* clients.c
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* This file is part of LCDd, the lcdproc server.
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*
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* This file is released under the GNU General Public License. Refer to the
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* COPYING file distributed with this package.
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*
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* Copyright (c) 1999, William Ferrell, Scott Scriven
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* 2002, Joris Robijn
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*
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*
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* Inits/shuts down client system,
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* and searches for clients in the list.
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* On short: manages the list of clients that are connected.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "client.h"
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#include "clients.h"
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#include "shared/report.h"
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#include "render.h"
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LinkedList *clientlist = NULL;
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/* Initialize and kill client list...*/
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int
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clients_init ()
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{
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debug(RPT_DEBUG, "%s()", __FUNCTION__);
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clientlist = LL_new ();
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if (!clientlist) {
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report( RPT_ERR, "%s: Unable to create client list", __FUNCTION__);
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return -1;
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}
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return 0;
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}
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int
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clients_shutdown ()
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{
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Client *c;
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debug (RPT_DEBUG, "%s()", __FUNCTION__);
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if( !clientlist ) {
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/* Program shutdown before completed startup */
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return -1;
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}
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/* Free all client structures... */
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for (c=LL_GetFirst (clientlist); c; c=LL_GetNext (clientlist) ) {
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debug (RPT_DEBUG, "%s: ...", __FUNCTION__);
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if (c) {
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debug (RPT_DEBUG, "%s: ... %i ...", __FUNCTION__, c->sock);
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if (client_destroy (c) != 0) {
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report (RPT_ERR, "%s: Error freeing client", __FUNCTION__);
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} else {
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debug (RPT_DEBUG, "%s: Freed client...", __FUNCTION__);
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}
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} else {
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debug (RPT_DEBUG, "%s: No client!", __FUNCTION__);
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}
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}
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/* Then, free the list...*/
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LL_Destroy (clientlist);
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debug (RPT_DEBUG, "%s: done", __FUNCTION__);
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return 0;
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}
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int
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clients_add_client (Client *c)
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{
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/* Add the client to the clients list... */
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return LL_Push (clientlist, c);
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}
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int
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clients_remove_client (Client *c)
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{
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/* Remove the client from the clients list... */
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return (LL_Remove (clientlist, c) == NULL)?-1:0;
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}
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Client *
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clients_getfirst ()
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{
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return (Client *) LL_GetFirst(clientlist);
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}
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Client *
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clients_getnext ()
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{
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return (Client *) LL_GetNext(clientlist);
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}
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int
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clients_client_count ()
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{
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return LL_Length(clientlist);
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}
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/* A client is identified by the file descriptor
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* associated with it. Find one.
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*/
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Client *
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clients_find_client_by_sock (int sock)
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{
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Client *c;
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debug(RPT_DEBUG, "%s( sock=%i )", __FUNCTION__, sock);
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for( c=LL_GetFirst(clientlist); c; c=LL_GetNext(clientlist) ) {
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if (c->sock == sock) {
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return c;
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}
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}
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debug (RPT_ERR, "%s: failed", __FUNCTION__);
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return NULL;
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}
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