Merge 20aa0b22a4
into 0efcccd3ef
This commit is contained in:
commit
a8521a81a4
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@ -0,0 +1,40 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=respondd-airtime
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PKG_VERSION:=1
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PKG_RELEASE:=1
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||||||
|
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PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
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|
PKG_BUILD_DEPENDS := respondd
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|
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||||||
|
include $(GLUONDIR)/include/package.mk
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|
|
||||||
|
define Package/respondd-airtime
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|
SECTION:=net
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|
CATEGORY:=Network
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|
TITLE:=Add airtime to respondd
|
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|
DEPENDS:=+respondd +libnl-tiny
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|
endef
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|
|
||||||
|
define Build/Prepare
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|
mkdir -p $(PKG_BUILD_DIR)
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|
$(CP) ./src/* $(PKG_BUILD_DIR)/
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|
endef
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|
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define Build/Configure
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|
endef
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|
|
||||||
|
|
||||||
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TARGET_CFLAGS += -I$(STAGING_DIR)/usr/include/libnl-tiny
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|
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define Build/Compile
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|
CFLAGS="$(TARGET_CFLAGS)" CPPFLAGS="$(TARGET_CPPFLAGS)" $(MAKE) -C $(PKG_BUILD_DIR) $(TARGET_CONFIGURE_OPTS)
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|
endef
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|
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||||||
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||||||
|
define Package/respondd-airtime/install
|
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|
$(INSTALL_DIR) $(1)/lib/gluon/respondd
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|
$(CP) $(PKG_BUILD_DIR)/respondd.so $(1)/lib/gluon/respondd/airtime.so
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||||||
|
endef
|
||||||
|
|
||||||
|
$(eval $(call BuildPackage,respondd-airtime))
|
|
@ -0,0 +1,2 @@
|
||||||
|
*.so
|
||||||
|
demo
|
|
@ -0,0 +1,22 @@
|
||||||
|
ifeq ($(origin CC),default)
|
||||||
|
CC = gcc
|
||||||
|
endif
|
||||||
|
|
||||||
|
# standard compliance
|
||||||
|
CFLAGS += -std=c99
|
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|
|
||||||
|
# warnings
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|
CFLAGS += -Wall -Wextra -Wformat=2 -Wshadow -Wpointer-arith -Wcast-qual
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||||||
|
CFLAGS += -pedantic
|
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|
|
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|
all: respondd.so
|
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|
|
||||||
|
# sudo apt install libnl-3-dev
|
||||||
|
demo: demo.c airtime.c airtime.h
|
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$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -fPIC -D_GNU_SOURCE -lnl-tiny -o $@ airtime.c demo.c $(LDLIBS)
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|
|
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|
respondd.so: respondd.c airtime.c
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|
$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -shared -fPIC -D_GNU_SOURCE -DGLUON -lnl-tiny -o $@ airtime.c respondd.c $(LDLIBS)
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|
|
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|
clean:
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|
rm -rf *.so demo
|
|
@ -0,0 +1,170 @@
|
||||||
|
/*
|
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|
Copyright (c) 2016, Julian Kornberger <jk+freifunk@digineo.de>
|
||||||
|
Martin Müller <geno+ffhb@fireorbit.de>
|
||||||
|
All rights reserved.
|
||||||
|
|
||||||
|
Redistribution and use in source and binary forms, with or without
|
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|
modification, are permitted provided that the following conditions are met:
|
||||||
|
|
||||||
|
1. Redistributions of source code must retain the above copyright notice,
|
||||||
|
this list of conditions and the following disclaimer.
|
||||||
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
||||||
|
this list of conditions and the following disclaimer in the documentation
|
||||||
|
and/or other materials provided with the distribution.
|
||||||
|
|
||||||
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||||
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||||
|
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||||
|
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||||
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||||
|
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sys/socket.h>
|
||||||
|
#include <linux/nl80211.h>
|
||||||
|
#include <netlink/netlink.h>
|
||||||
|
#include <netlink/genl/genl.h>
|
||||||
|
#include <netlink/genl/ctrl.h>
|
||||||
|
#include <net/if.h>
|
||||||
|
|
||||||
|
#include "airtime.h"
|
||||||
|
|
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|
static struct airtime cur_airtime = {
|
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|
{ .frequency = 0 },
|
||||||
|
{ .frequency = 0 },
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Excerpt from nl80211.h:
|
||||||
|
* enum nl80211_survey_info - survey information
|
||||||
|
*
|
||||||
|
* These attribute types are used with %NL80211_ATTR_SURVEY_INFO
|
||||||
|
* when getting information about a survey.
|
||||||
|
*
|
||||||
|
* @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved
|
||||||
|
* @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel
|
||||||
|
* @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm)
|
||||||
|
* @NL80211_SURVEY_INFO_IN_USE: channel is currently being used
|
||||||
|
* @NL80211_SURVEY_INFO_CHANNEL_TIME: amount of time (in ms) that the radio
|
||||||
|
* spent on this channel
|
||||||
|
* @NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY: amount of the time the primary
|
||||||
|
* channel was sensed busy (either due to activity or energy detect)
|
||||||
|
* @NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY: amount of time the extension
|
||||||
|
* channel was sensed busy
|
||||||
|
* @NL80211_SURVEY_INFO_CHANNEL_TIME_RX: amount of time the radio spent
|
||||||
|
* receiving data
|
||||||
|
* @NL80211_SURVEY_INFO_CHANNEL_TIME_TX: amount of time the radio spent
|
||||||
|
* transmitting data
|
||||||
|
* @NL80211_SURVEY_INFO_MAX: highest survey info attribute number
|
||||||
|
* currently defined
|
||||||
|
* @__NL80211_SURVEY_INFO_AFTER_LAST: internal use
|
||||||
|
*/
|
||||||
|
|
||||||
|
static int survey_airtime_handler(struct nl_msg *msg, void *arg)
|
||||||
|
{
|
||||||
|
struct genlmsghdr *gnlh;
|
||||||
|
struct airtime_result *result;
|
||||||
|
|
||||||
|
struct nlattr *tb[NL80211_ATTR_MAX + 1];
|
||||||
|
struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
|
||||||
|
static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
|
||||||
|
[NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
|
||||||
|
};
|
||||||
|
|
||||||
|
result = (struct airtime_result *) arg;
|
||||||
|
|
||||||
|
#define CHECK(x) { if (!(x)) goto abort; }
|
||||||
|
|
||||||
|
CHECK(!(gnlh = nlmsg_data(nlmsg_hdr(msg))));
|
||||||
|
CHECK(nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),genlmsg_attrlen(gnlh, 0), NULL));
|
||||||
|
CHECK(!tb[NL80211_ATTR_SURVEY_INFO]);
|
||||||
|
CHECK(nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, tb[NL80211_ATTR_SURVEY_INFO], survey_policy));
|
||||||
|
|
||||||
|
// Channel active?
|
||||||
|
CHECK(!sinfo[NL80211_SURVEY_INFO_IN_USE]);
|
||||||
|
|
||||||
|
#undef CHECK
|
||||||
|
|
||||||
|
uint64_t frequency = nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]);
|
||||||
|
|
||||||
|
if (frequency != result->frequency) {
|
||||||
|
// channel changed, restart at zero
|
||||||
|
result->frequency = frequency;
|
||||||
|
result->active_time.offset = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]);
|
||||||
|
result->busy_time.offset = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]);
|
||||||
|
result->rx_time.offset = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]);
|
||||||
|
result->tx_time.offset = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]);
|
||||||
|
result->active_time.current = 0;
|
||||||
|
result->busy_time.current = 0;
|
||||||
|
result->rx_time.current = 0;
|
||||||
|
result->tx_time.current = 0;
|
||||||
|
} else {
|
||||||
|
result->active_time.current = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME]) - result->active_time.offset;
|
||||||
|
result->busy_time.current = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY]) - result->busy_time.offset;
|
||||||
|
result->rx_time.current = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_RX]) - result->rx_time.offset;
|
||||||
|
result->tx_time.current = nla_get_u64(sinfo[NL80211_SURVEY_INFO_CHANNEL_TIME_TX]) - result->tx_time.offset;
|
||||||
|
}
|
||||||
|
|
||||||
|
result->noise = nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
|
||||||
|
|
||||||
|
abort:
|
||||||
|
return NL_SKIP;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int get_airtime_for_interface(struct airtime_result *result, const char *interface) {
|
||||||
|
int error = 0;
|
||||||
|
int ctrl, ifx, flags;
|
||||||
|
struct nl_sock *sk = NULL;
|
||||||
|
struct nl_msg *msg = NULL;
|
||||||
|
enum nl80211_commands cmd;
|
||||||
|
|
||||||
|
#define CHECK(x) { if (!(x)) { printf("airtime.c: error on line %d\n", __LINE__); error = 1; goto out; } }
|
||||||
|
|
||||||
|
CHECK(sk = nl_socket_alloc());
|
||||||
|
CHECK(genl_connect(sk) >= 0);
|
||||||
|
|
||||||
|
CHECK(ctrl = genl_ctrl_resolve(sk, NL80211_GENL_NAME));
|
||||||
|
CHECK(nl_socket_modify_cb(sk, NL_CB_VALID, NL_CB_CUSTOM, survey_airtime_handler, result) == 0);
|
||||||
|
CHECK(msg = nlmsg_alloc());
|
||||||
|
|
||||||
|
/* device does not exist */
|
||||||
|
if (!(ifx = if_nametoindex(interface))){
|
||||||
|
error = -1;
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
|
cmd = NL80211_CMD_GET_SURVEY;
|
||||||
|
flags = 0;
|
||||||
|
flags |= NLM_F_DUMP;
|
||||||
|
|
||||||
|
/* TODO: check return? */
|
||||||
|
genlmsg_put(msg, 0, 0, ctrl, 0, flags, cmd, 0);
|
||||||
|
|
||||||
|
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifx);
|
||||||
|
|
||||||
|
CHECK(nl_send_auto_complete(sk, msg) >= 0);
|
||||||
|
CHECK(nl_recvmsgs_default(sk) >= 0);
|
||||||
|
|
||||||
|
#undef CHECK
|
||||||
|
|
||||||
|
nla_put_failure:
|
||||||
|
out:
|
||||||
|
if (msg)
|
||||||
|
nlmsg_free(msg);
|
||||||
|
|
||||||
|
if (sk)
|
||||||
|
nl_socket_free(sk);
|
||||||
|
|
||||||
|
return error;
|
||||||
|
}
|
||||||
|
|
||||||
|
struct airtime* get_airtime(const char *wifi_0_dev, const char *wifi_1_dev) {
|
||||||
|
get_airtime_for_interface(&cur_airtime.radio0, wifi_0_dev);
|
||||||
|
get_airtime_for_interface(&cur_airtime.radio1, wifi_1_dev);
|
||||||
|
|
||||||
|
return &cur_airtime;
|
||||||
|
}
|
|
@ -0,0 +1,24 @@
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <stdint.h>
|
||||||
|
|
||||||
|
struct airtime_time {
|
||||||
|
uint64_t current;
|
||||||
|
uint64_t offset;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct airtime_result {
|
||||||
|
uint32_t frequency;
|
||||||
|
uint8_t noise;
|
||||||
|
struct airtime_time active_time;
|
||||||
|
struct airtime_time busy_time;
|
||||||
|
struct airtime_time rx_time;
|
||||||
|
struct airtime_time tx_time;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct airtime {
|
||||||
|
struct airtime_result radio0;
|
||||||
|
struct airtime_result radio1;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct airtime* get_airtime(const char *radio0, const char *radio1);
|
|
@ -0,0 +1,37 @@
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <unistd.h> /* sleep */
|
||||||
|
|
||||||
|
#include "airtime.h"
|
||||||
|
#if GLUON
|
||||||
|
static const char const *wifi_0_dev = "client0";
|
||||||
|
static const char const *wifi_1_dev = "client1";
|
||||||
|
|
||||||
|
#else
|
||||||
|
static const char const *wifi_0_dev = "wlan0";
|
||||||
|
static const char const *wifi_1_dev = "wlan1";
|
||||||
|
|
||||||
|
#endif /* GLUON */
|
||||||
|
|
||||||
|
void print_result(struct airtime_result *);
|
||||||
|
|
||||||
|
int main() {
|
||||||
|
struct airtime *a;
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
a = get_airtime(wifi_0_dev,wifi_1_dev);
|
||||||
|
print_result(&a->radio0);
|
||||||
|
print_result(&a->radio1);
|
||||||
|
sleep(1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void print_result(struct airtime_result *result){
|
||||||
|
printf("freq=%d\tnoise=%d\tbusy=%lld\tactive=%lld\trx=%lld\ttx=%lld\n",
|
||||||
|
result->frequency,
|
||||||
|
result->noise,
|
||||||
|
result->busy_time.current,
|
||||||
|
result->active_time.current,
|
||||||
|
result->rx_time.current,
|
||||||
|
result->tx_time.current
|
||||||
|
);
|
||||||
|
}
|
|
@ -0,0 +1,76 @@
|
||||||
|
#include <string.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <json-c/json.h>
|
||||||
|
#include <respondd.h>
|
||||||
|
|
||||||
|
#include "airtime.h"
|
||||||
|
|
||||||
|
#if GLUON
|
||||||
|
static const char const *wifi_0_dev = "client0";
|
||||||
|
static const char const *wifi_1_dev = "client1";
|
||||||
|
|
||||||
|
#else
|
||||||
|
static const char const *wifi_0_dev = "wlan0";
|
||||||
|
static const char const *wifi_1_dev = "wlan1";
|
||||||
|
|
||||||
|
#endif /* GLUON */
|
||||||
|
|
||||||
|
|
||||||
|
void fill_airtime_json(struct airtime_result *air, struct json_object* wireless){
|
||||||
|
struct json_object *ret = NULL, *obj = NULL;
|
||||||
|
|
||||||
|
obj = json_object_new_object();
|
||||||
|
if(!obj)
|
||||||
|
goto error;
|
||||||
|
#define JSON_ADD_INT64(value,key) {ret = json_object_new_int64(value); json_object_object_add(obj,key,ret);}
|
||||||
|
ret = json_object_new_int(air->frequency);
|
||||||
|
if(!ret)
|
||||||
|
goto error;
|
||||||
|
json_object_object_add(obj,"frequency",ret);
|
||||||
|
|
||||||
|
JSON_ADD_INT64(air->active_time.current,"active")
|
||||||
|
JSON_ADD_INT64(air->busy_time.current,"busy")
|
||||||
|
JSON_ADD_INT64(air->rx_time.current,"rx")
|
||||||
|
JSON_ADD_INT64(air->tx_time.current,"tx")
|
||||||
|
|
||||||
|
ret = json_object_new_int(air->noise);
|
||||||
|
json_object_object_add(obj,"noise",ret);
|
||||||
|
|
||||||
|
error:
|
||||||
|
if(air->frequency >= 2400 && air->frequency < 2500)
|
||||||
|
json_object_object_add(wireless, "airtime24", obj);
|
||||||
|
else if (air->frequency >= 5000 && air->frequency < 6000)
|
||||||
|
json_object_object_add(wireless, "airtime5", obj);
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct json_object *respondd_provider_statistics(void) {
|
||||||
|
struct airtime *a = NULL;
|
||||||
|
struct json_object *ret = NULL, *wireless = NULL;
|
||||||
|
|
||||||
|
wireless = json_object_new_object();
|
||||||
|
if (!wireless)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
ret = json_object_new_object();
|
||||||
|
if (!ret)
|
||||||
|
return NULL;
|
||||||
|
|
||||||
|
a = get_airtime(wifi_0_dev,wifi_1_dev);
|
||||||
|
if (!a)
|
||||||
|
goto end;
|
||||||
|
|
||||||
|
if (a->radio0.frequency)
|
||||||
|
fill_airtime_json(&a->radio0,wireless);
|
||||||
|
|
||||||
|
if (a->radio1.frequency)
|
||||||
|
fill_airtime_json(&a->radio1,wireless);
|
||||||
|
|
||||||
|
end:
|
||||||
|
json_object_object_add(ret, "wireless", wireless);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
const struct respondd_provider_info respondd_providers[] = {
|
||||||
|
{"statistics", respondd_provider_statistics},
|
||||||
|
{0, 0},
|
||||||
|
};
|
Loading…
Reference in New Issue