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openwrt-packages/utils/collectd/patches/900-add-iwinfo-plugin.patch

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--- a/configure.ac
+++ b/configure.ac
@@ -713,6 +713,11 @@ AC_CACHE_CHECK([whether clock_boottime a
]
)
+# For the iwinfo plugin
+AC_CHECK_LIB([iwinfo], [iwinfo_backend],
+ [with_iwinfo="yes"],
+ [with_iwinfo="no (libiwinfo not found)"]
+)
#
# Checks for typedefs, structures, and compiler characteristics.
@@ -6619,6 +6624,7 @@ plugin_ipmi="no"
plugin_ipstats="no"
plugin_ipvs="no"
plugin_irq="no"
+plugin_iwinfo="no"
plugin_load="no"
plugin_log_logstash="no"
plugin_mcelog="no"
@@ -7086,6 +7092,7 @@ AC_PLUGIN([iptables], [$with_
AC_PLUGIN([ipstats], [$plugin_ipstats], [IP packet statistics])
AC_PLUGIN([ipvs], [$plugin_ipvs], [IPVS connection statistics])
AC_PLUGIN([irq], [$plugin_irq], [IRQ statistics])
+AC_PLUGIN([iwinfo], [$with_iwinfo], [Common iwinfo wireless statistics])
AC_PLUGIN([java], [$with_java], [Embed the Java Virtual Machine])
AC_PLUGIN([load], [$plugin_load], [System load])
AC_PLUGIN([log_logstash], [$plugin_log_logstash], [Logstash json_event compatible logging])
@@ -7465,6 +7472,7 @@ AC_MSG_RESULT([ libyajl . . . . . . .
AC_MSG_RESULT([ oracle . . . . . . . $with_oracle])
AC_MSG_RESULT([ protobuf-c . . . . . $have_protoc_c])
AC_MSG_RESULT([ protoc 3 . . . . . . $have_protoc3])
+AC_MSG_RESULT([ iwinfo . . . . . . . $with_iwinfo])
AC_MSG_RESULT()
AC_MSG_RESULT([ Features:])
AC_MSG_RESULT([ daemon mode . . . . . $enable_daemon])
@@ -7533,6 +7541,7 @@ AC_MSG_RESULT([ iptables . . . . . .
AC_MSG_RESULT([ ipstats . . . . . . . $enable_ipstats])
AC_MSG_RESULT([ ipvs . . . . . . . . $enable_ipvs])
AC_MSG_RESULT([ irq . . . . . . . . . $enable_irq])
+AC_MSG_RESULT([ iwinfo . . . . . . . $enable_iwinfo])
AC_MSG_RESULT([ java . . . . . . . . $enable_java])
AC_MSG_RESULT([ load . . . . . . . . $enable_load])
AC_MSG_RESULT([ logfile . . . . . . . $enable_logfile])
--- a/src/collectd.conf.in
+++ b/src/collectd.conf.in
@@ -147,6 +147,7 @@
#@BUILD_PLUGIN_IPTABLES_TRUE@LoadPlugin iptables
#@BUILD_PLUGIN_IPVS_TRUE@LoadPlugin ipvs
#@BUILD_PLUGIN_IRQ_TRUE@LoadPlugin irq
+#@BUILD_PLUGIN_IWINFO_TRUE@LoadPlugin iwinfo
#@BUILD_PLUGIN_JAVA_TRUE@LoadPlugin java
@BUILD_PLUGIN_LOAD_TRUE@@BUILD_PLUGIN_LOAD_TRUE@LoadPlugin load
#@BUILD_PLUGIN_LPAR_TRUE@LoadPlugin lpar
@@ -897,6 +898,12 @@
# IgnoreSelected true
#</Plugin>
+#<Plugin iwinfo>
+# Interface "ath0"
+# Interface "ra0"
+# Interface "wlan0"
+#</Plugin>
+
#<Plugin java>
# JVMArg "-verbose:jni"
# JVMArg "-Djava.class.path=@prefix@/share/collectd/java/collectd-api.jar"
--- a/src/collectd.conf.pod
+++ b/src/collectd.conf.pod
@@ -4343,6 +4343,27 @@ and all other interrupts are collected.
=back
+=head2 Plugin C<iwinfo>
+
+=over 4
+
+=item B<Interface> I<Interface>
+
+Select this interface. By default all detected wireless interfaces will be
+collected. For a more detailed description see B<IgnoreSelected> below.
+
+=item B<IgnoreSelected> I<true>|I<false>
+
+If no configuration if given, the B<iwinfo>-plugin will collect data from all
+detected wireless interfaces. You can use the B<Interface>-option to pick the
+interfaces you're interested in. Sometimes, however, it's easier/preferred to
+collect all interfaces I<except> a few ones. This option enables you to do
+that: By setting B<IgnoreSelected> to I<true> the effect of B<Interface> is
+inverted: All selected interfaces are ignored and all other interfaces are
+collected.
+
+=back
+
=head2 Plugin C<java>
The I<Java> plugin makes it possible to write extensions for collectd in Java.
--- /dev/null
+++ b/src/iwinfo.c
@@ -0,0 +1,150 @@
+/**
+ * collectd - src/iwinfo.c
+ * Copyright (C) 2011 Jo-Philipp Wich
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; only version 2 of the License is applicable.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ **/
+
+#include "collectd.h"
+#include "plugin.h"
+#include "utils/common/common.h"
+#include "utils/ignorelist/ignorelist.h"
+
+#include <stdint.h>
+#include <iwinfo.h>
+
+#define PROCNETDEV "/proc/net/dev"
+
+static const char *config_keys[] = {
+ "Interface",
+ "IgnoreSelected"
+};
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+static ignorelist_t *ignorelist = NULL;
+
+static int iwinfo_config(const char *key, const char *value)
+{
+ if (ignorelist == NULL)
+ ignorelist = ignorelist_create(1);
+
+ if (ignorelist == NULL)
+ return 1;
+
+ if (strcasecmp(key, "Interface") == 0)
+ ignorelist_add(ignorelist, value);
+ else if (strcasecmp(key, "IgnoreSelected") == 0)
+ ignorelist_set_invert(ignorelist, IS_TRUE(value) ? 0 : 1);
+ else
+ return -1;
+
+ return 0;
+}
+
+static void iwinfo_submit(const char *ifname, const char *type, int value)
+{
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+
+ values[0].gauge = value;
+
+ vl.values = values;
+ vl.values_len = 1;
+
+ sstrncpy(vl.host, hostname_g, sizeof(vl.host));
+ sstrncpy(vl.plugin, "iwinfo", sizeof(vl.plugin));
+ sstrncpy(vl.plugin_instance, ifname, sizeof(vl.plugin_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
+ /*sstrncpy(vl.type_instance, "", sizeof(vl.type_instance));*/
+
+ plugin_dispatch_values(&vl);
+}
+
+static void iwinfo_process(const char *ifname)
+{
+ int val;
+ char buf[IWINFO_BUFSIZE];
+ const struct iwinfo_ops *iw = iwinfo_backend(ifname);
+
+ /* does appear to be a wifi iface */
+ if (iw)
+ {
+ if (iw->bitrate(ifname, &val))
+ val = 0;
+ iwinfo_submit(ifname, "bitrate", val * 1000);
+
+ if (iw->signal(ifname, &val))
+ val = 0;
+ iwinfo_submit(ifname, "signal_power", val);
+
+ if (iw->noise(ifname, &val))
+ val = 0;
+ iwinfo_submit(ifname, "signal_noise", val);
+
+ if (iw->quality(ifname, &val))
+ val = 0;
+ iwinfo_submit(ifname, "signal_quality", val);
+
+ if (iw->assoclist(ifname, buf, &val))
+ val = 0;
+ iwinfo_submit(ifname, "stations",
+ val / sizeof(struct iwinfo_assoclist_entry));
+ }
+
+ iwinfo_finish();
+}
+
+static int iwinfo_read(void)
+{
+ char line[1024];
+ char ifname[128];
+ FILE *f;
+
+ f = fopen(PROCNETDEV, "r");
+ if (f == NULL)
+ {
+ char err[1024];
+ WARNING("iwinfo: Unable to open " PROCNETDEV ": %s",
+ sstrerror(errno, err, sizeof(err)));
+ return -1;
+ }
+
+ while (fgets(line, sizeof(line), f))
+ {
+ if (!strchr(line, ':'))
+ continue;
+
+ if (!sscanf(line, " %127[^:]", ifname))
+ continue;
+
+ if (ignorelist_match(ignorelist, ifname))
+ continue;
+
+ if (strstr(ifname, "mon.") || strstr(ifname, ".sta") ||
+ strstr(ifname, "tmp.") || strstr(ifname, "wifi"))
+ continue;
+
+ iwinfo_process(ifname);
+ }
+
+ fclose(f);
+
+ return 0;
+}
+
+void module_register(void)
+{
+ plugin_register_config("iwinfo", iwinfo_config, config_keys, config_keys_num);
+ plugin_register_read("iwinfo", iwinfo_read);
+}
--- a/src/types.db
+++ b/src/types.db
@@ -308,6 +308,7 @@ snr value:GAUGE:0:U
spam_check value:GAUGE:0:U
spam_score value:GAUGE:U:U
spl value:GAUGE:U:U
+stations value:GAUGE:0:256
swap value:GAUGE:0:1099511627776
swap_io value:DERIVE:0:U
sysevent value:GAUGE:0:1
--- a/Makefile.am
+++ b/Makefile.am
@@ -1246,6 +1246,14 @@ irq_la_LDFLAGS = $(PLUGIN_LDFLAGS)
irq_la_LIBADD = libignorelist.la
endif
+if BUILD_PLUGIN_IWINFO
+pkglib_LTLIBRARIES += iwinfo.la
+iwinfo_la_SOURCES = src/iwinfo.c
+#iwinfo_la_LDFLAGS = -module -avoid-version
+iwinfo_la_LDFLAGS = $(PLUGIN_LDFLAGS)
+iwinfo_la_LIBADD = -liwinfo libignorelist.la
+endif
+
if BUILD_PLUGIN_JAVA
pkglib_LTLIBRARIES += java.la
java_la_SOURCES = src/java.c
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