/*
- * "$Id: rss.c 6596 2007-06-21 22:42:25Z mike $"
+ * "$Id: rss.c 10996 2013-05-29 11:51:34Z msweet $"
*
- * RSS notifier for the Common UNIX Printing System (CUPS).
+ * RSS notifier for CUPS.
*
+ * Copyright 2007-2012 by Apple Inc.
* Copyright 2007 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
- * property of Easy Software Products and are protected by Federal
- * copyright law. Distribution and use rights are outlined in the file
- * "LICENSE.txt" which should have been included with this file. If this
- * file is missing or damaged please contact Easy Software Products
- * at:
- *
- * Attn: CUPS Licensing Information
- * Easy Software Products
- * 44141 Airport View Drive, Suite 204
- * Hollywood, Maryland 20636 USA
- *
- * Voice: (301) 373-9600
- * EMail: cups-info@cups.org
- * WWW: http://www.cups.org
+ * property of Apple Inc. and are protected by Federal copyright
+ * law. Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*
* Contents:
*
#include <cups/cups.h>
#include <cups/language.h>
-#include <cups/string.h>
+#include <cups/string-private.h>
#include <cups/array.h>
-#include <errno.h>
+#include <sys/select.h>
+#include <cups/ipp-private.h> /* TODO: Update so we don't need this */
/*
cups_array_t *rss; /* RSS message array */
_cups_rss_t *msg; /* RSS message */
char baseurl[1024]; /* Base URL */
+ fd_set input; /* Input set for select() */
+ struct timeval timeout; /* Timeout for select() */
+ int changed; /* Has the RSS data changed? */
+ int exit_status; /* Exit status */
fprintf(stderr, "DEBUG: argc=%d\n", argc);
load_rss(rss, filename);
+ changed = cupsArrayCount(rss) == 0;
+
/*
* Localize for the user's chosen language...
*/
* Read events and update the RSS file until we are out of events.
*/
- for (;;)
+ for (exit_status = 0, event = NULL;;)
{
+ if (changed)
+ {
+ /*
+ * Save the messages to the file again, uploading as needed...
+ */
+
+ if (save_rss(rss, newname, baseurl))
+ {
+ if (http)
+ {
+ /*
+ * Upload the RSS file...
+ */
+
+ if ((status = cupsPutFile(http, resource, filename)) != HTTP_CREATED)
+ fprintf(stderr, "ERROR: Unable to PUT %s from %s on port %d: %d %s\n",
+ resource, host, port, status, httpStatus(status));
+ }
+ else
+ {
+ /*
+ * Move the new RSS file over top the old one...
+ */
+
+ if (rename(newname, filename))
+ fprintf(stderr, "ERROR: Unable to rename %s to %s: %s\n",
+ newname, filename, strerror(errno));
+ }
+
+ changed = 0;
+ }
+ }
+
+ /*
+ * Wait up to 30 seconds for an event...
+ */
+
+ timeout.tv_sec = 30;
+ timeout.tv_usec = 0;
+
+ FD_ZERO(&input);
+ FD_SET(0, &input);
+
+ if (select(1, &input, NULL, NULL, &timeout) < 0)
+ continue;
+ else if (!FD_ISSET(0, &input))
+ {
+ fprintf(stderr, "DEBUG: %s is bored, exiting...\n", argv[1]);
+ break;
+ }
+
/*
* Read the next event...
*/
fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
if (state <= IPP_IDLE)
- {
- ippDelete(event);
-
- if (http)
- unlink(filename);
-
- httpClose(http);
-
- return (0);
- }
+ break;
/*
* Collect the info from the event...
{
fprintf(stderr, "ERROR: Unable to create message: %s\n",
strerror(errno));
-
- ippDelete(event);
-
- if (http)
- unlink(filename);
-
- httpClose(http);
-
- return (1);
+ exit_status = 1;
+ break;
}
/*
cupsArrayAdd(rss, msg);
+ changed = 1;
+
/*
* Trim the array as needed...
*/
delete_message(msg);
}
-
- /*
- * Save the messages to the file again, uploading as needed...
- */
-
- if (save_rss(rss, newname, baseurl))
- {
- if (http)
- {
- /*
- * Upload the RSS file...
- */
-
- if ((status = cupsPutFile(http, resource, filename)) != HTTP_CREATED)
- fprintf(stderr, "ERROR: Unable to PUT %s from %s on port %d: %d %s\n",
- resource, host, port, status, httpStatus(status));
- }
- else
- {
- /*
- * Move the new RSS file over top the old one...
- */
-
- if (rename(newname, filename))
- fprintf(stderr, "ERROR: Unable to rename %s to %s: %s\n",
- newname, filename, strerror(errno));
- }
- }
}
if (subject)
free(text);
ippDelete(event);
+ event = NULL;
}
+
+ /*
+ * We only get here when idle or error...
+ */
+
+ ippDelete(event);
+
+ if (http)
+ {
+ unlink(filename);
+ httpClose(http);
+ }
+
+ return (exit_status);
}
sequence_number = atoi(start + 6);
}
+ if (subject)
+ free(subject);
+
+ if (text)
+ free(text);
+
+ if (link_url)
+ free(link_url);
+
fclose(fp);
}
FILE *fp; /* File pointer */
_cups_rss_t *msg; /* Current message */
char date[1024]; /* Current date */
+ char *href; /* Escaped base URL */
if ((fp = fopen(filename, "w")) == NULL)
fputs("<rss version=\"2.0\">\n", fp);
fputs(" <channel>\n", fp);
fputs(" <title>CUPS RSS Feed</title>\n", fp);
- fprintf(fp, " <link>%s</link>\n", baseurl);
+
+ href = xml_escape(baseurl);
+ fprintf(fp, " <link>%s</link>\n", href);
+ free(href);
+
fputs(" <description>CUPS RSS Feed</description>\n", fp);
fputs(" <generator>" CUPS_SVERSION "</generator>\n", fp);
fputs(" <ttl>1</ttl>\n", fp);
/*
- * End of "$Id: rss.c 6596 2007-06-21 22:42:25Z mike $".
+ * End of "$Id: rss.c 10996 2013-05-29 11:51:34Z msweet $".
*/
projects / thirdparty / cups.git / blobdiff