/*********************************************************************************
* The contents of this file are subject to the Common Public Attribution
* License Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.openemm.org/cpal1.html. The License is based on the Mozilla
* Public License Version 1.1 but Sections 14 and 15 have been added to cover
* use of software over a computer network and provide for limited attribution
* for the Original Developer. In addition, Exhibit A has been modified to be
* consistent with Exhibit B.
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is OpenEMM.
* The Original Developer is the Initial Developer.
* The Initial Developer of the Original Code is AGNITAS AG. All portions of
* the code written by AGNITAS AG are Copyright (c) 2007 AGNITAS AG. All Rights
* Reserved.
*
* Contributor(s): AGNITAS AG.
********************************************************************************/
# include <stdlib.h>
# include <string.h>
# include "xmlback.h"
counter_t *
counter_alloc (const char *mediatype, int subtype) /*{{{*/
{
counter_t *c;
if (c = (counter_t *) malloc (sizeof (counter_t))) {
c -> mediatype = strdup (mediatype);
c -> subtype = subtype;
c -> unitcount = 0;
c -> bytecount = 0;
c -> next = NULL;
if (! c -> mediatype)
c = counter_free (c);
}
return c;
}/*}}}*/
counter_t *
counter_free (counter_t *c) /*{{{*/
{
if (c) {
if (c -> mediatype)
free (c -> mediatype);
free (c);
}
return NULL;
}/*}}}*/
counter_t *
counter_free_all (counter_t *c) /*{{{*/
{
counter_t *tmp;
while (tmp = c) {
c = c -> next;
counter_free (tmp);
}
return NULL;
}/*}}}*/
counter_t *
counter_alloc (const char *mediatype, int subtype) /*{{{*/
{
counter_t *c;
if (c = (counter_t *) malloc (sizeof (counter_t))) {
c -> mediatype = strdup (mediatype);
c -> subtype = subtype;
c -> unitcount = 0;
c -> bytecount = 0;
c -> next = NULL;
if (! c -> mediatype)
c = counter_free (c);
}
return c;
}/*}}}*/
void
collector_stop (Collector *collector)
{
GList *list;
if (!collector->counters)
return;
/* Read any remaining data */
for (list = collector->counters; list != NULL; list = list->next)
{
counter_t *counter = list->data;
if (counter->data)
on_read (counter);
counter_free (counter);
}
g_list_free (collector->counters);
collector->counters = NULL;
}
gboolean
collector_start (Collector *collector,
pid_t pid,
GError **err)
{
int n_cpus = get_n_cpus ();
int i;
counter_t *output;
if (!collector->tracker)
collector->tracker = tracker_new ();
output = NULL;
for (i = 0; i < n_cpus; ++i)
{
counter_t *counter = counter_new (collector, pid, i, output, err);
if (!counter)
{
GList *list;
for (list = collector->counters; list != NULL; list = list->next)
counter_free (list->data);
collector->tracker = NULL;
return FALSE;
}
collector->counters = g_list_append (collector->counters, counter);
if (!output)
output = counter;
}
enable_counters (collector);
return TRUE;
}
