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modules/admin-full: rework luci-bwc/libiwinfo integration

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Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
This commit is contained in:
Jo-Philipp Wich 2014-06-30 10:54:24 +00:00
parent f835fc1edf
commit 89678917bd
2 changed files with 31 additions and 46 deletions
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2
contrib/package/luci/Makefile
View file

@ -9,7 +9,7 @@ PKG_BUILD_PARALLEL:=0
PKG_VERSION:=$(shell $(LUCI_TOPDIR)/build/mkrevision.sh 2>/dev/null || echo unknown)
PKG_BUILD_DEPENDS:=$(if $(STAGING_DIR_ROOT),lua/host)
PKG_BUILD_DEPENDS:=$(if $(STAGING_DIR_ROOT),lua/host) iwinfo
PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
PKG_USE_MIPS16:=0

75
modules/admin-full/src/luci-bwc.c
View file

@ -32,6 +32,7 @@
#include <arpa/inet.h>
#include <dlfcn.h>
#include <iwinfo.h>
#define STEP_COUNT 60
#define STEP_TIME 1
@ -140,9 +141,7 @@ static void reset_countdown(int sig)
static char *progname;
static int prognamelen;
static int (*iw_get_rate)(const char *, int *) = NULL;
static int (*iw_get_rssi)(const char *, int *) = NULL;
static int (*iw_get_noise)(const char *, int *) = NULL;
static struct iwinfo_ops *backend = NULL;
static int init_directory(char *path)
@ -252,59 +251,45 @@ static void umap_file(struct file_map *m)
close(m->fd);
}
static void * iwinfo_open(void)
static void * iw_open(void)
{
return dlopen("/usr/lib/libiwinfo.so", RTLD_LAZY);
}
static int iwinfo_update(
static int iw_update(
void *iw, const char *ifname, uint16_t *rate, uint8_t *rssi, uint8_t *noise
) {
int (*probe)(const char *);
struct iwinfo_ops *(*probe)(const char *);
int val;
if (!iw_get_rate)
if (!backend)
{
if ((probe = dlsym(iw, "nl80211_probe")) != NULL && probe(ifname))
{
iw_get_rate = dlsym(iw, "nl80211_get_bitrate");
iw_get_rssi = dlsym(iw, "nl80211_get_signal");
iw_get_noise = dlsym(iw, "nl80211_get_noise");
}
else if ((probe = dlsym(iw, "madwifi_probe")) != NULL && probe(ifname))
{
iw_get_rate = dlsym(iw, "madwifi_get_bitrate");
iw_get_rssi = dlsym(iw, "madwifi_get_signal");
iw_get_noise = dlsym(iw, "madwifi_get_noise");
}
else if ((probe = dlsym(iw, "wl_probe")) != NULL && probe(ifname))
{
iw_get_rate = dlsym(iw, "wl_get_bitrate");
iw_get_rssi = dlsym(iw, "wl_get_signal");
iw_get_noise = dlsym(iw, "wl_get_noise");
}
else
{
probe = dlsym(iw, "iwinfo_backend");
if (!probe)
return 0;
backend = probe(ifname);
if (!backend)
return 0;
}
}
*rate = (iw_get_rate && !iw_get_rate(ifname, &val)) ? val : 0;
*rssi = (iw_get_rssi && !iw_get_rssi(ifname, &val)) ? val : 0;
*noise = (iw_get_noise && !iw_get_noise(ifname, &val)) ? val : 0;
*rate = (backend->bitrate && !backend->bitrate(ifname, &val)) ? val : 0;
*rssi = (backend->signal && !backend->signal(ifname, &val)) ? val : 0;
*noise = (backend->noise && !backend->noise(ifname, &val)) ? val : 0;
return 1;
}
static void iwinfo_close(void *iw)
static void iw_close(void *iw)
{
void (*do_close)(void);
void (*finish)(void);
if ((do_close = dlsym(iw, "nl80211_close")) != NULL) do_close();
if ((do_close = dlsym(iw, "madwifi_close")) != NULL) do_close();
if ((do_close = dlsym(iw, "wl_close")) != NULL) do_close();
if ((do_close = dlsym(iw, "wext_close")) != NULL) do_close();
if ((do_close = dlsym(iw, "iwinfo_close")) != NULL) do_close();
finish = dlsym(iw, "iwinfo_finish");
if (finish)
finish();
dlclose(iw);
}
@ -479,7 +464,7 @@ static int run_daemon(void)
}
/* initialize iwinfo */
iw = iwinfo_open();
iw = iw_open();
/* go */
for (reset_countdown(0); countdown >= 0; countdown--)
@ -509,19 +494,19 @@ static int run_daemon(void)
{
for (i = 0; i < 5; i++)
{
#define iwinfo_checkif(pattern) \
#define iw_checkif(pattern) \
do { \
snprintf(ifname, sizeof(ifname), pattern, i); \
if (iwinfo_update(iw, ifname, &rate, &rssi, &noise)) \
if (iw_update(iw, ifname, &rate, &rssi, &noise)) \
{ \
update_radiostat(ifname, rate, rssi, noise); \
continue; \
} \
} while(0)
iwinfo_checkif("wlan%d");
iwinfo_checkif("ath%d");
iwinfo_checkif("wl%d");
iw_checkif("wlan%d");
iw_checkif("ath%d");
iw_checkif("wl%d");
}
}
@ -574,7 +559,7 @@ static int run_daemon(void)
unlink(PID_PATH);
if (iw)
iwinfo_close(iw);
iw_close(iw);
return 0;
}